Lens screening device

Abstract

The utility model relates to the technical field of lens processing equipment, in particular to a lens screening device which can automatically detect and screen lenses, improve detection precision and efficiency and save personnel cost. The device is specifically provided with a transfer mechanism, a transfer mechanism and a detection mechanism. The moving mechanism comprises a material taking assembly, the material taking assembly is of a double-station mechanical structure, and the material taking assembly is used for achieving rotation between the bearing jig and the transfer mechanism. The detection mechanism comprises a rotating arm assembly and a detection assembly; the rotating arm assembly is used for realizing rotation of the transfer mechanism and the detection assembly; through the mechanical structure, the rotation rate of the lens is improved, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lens processing equipment, in particular to a lens screening device. Background Art

[0002] A lens is a transparent material made of optical materials such as glass or resin, and has one or more curved surfaces; mainly adjusts the refraction of light through the curved surface structure; and has a wide range of applications.

[0003] During the production and processing of lenses, it is necessary to detect and screen the lenses through optical instruments to check whether optical parameters such as purity, transparency, uniformity, refractive index, and dispersion rate meet the specifications. In the existing lens detection and screening process, the lenses are mainly transferred to the optical instruments manually, resulting in high labor costs, affecting the production and processing efficiency of lenses, and being unable to meet mass production. Summary of the Utility Model

[0004] Based on this, the purpose of the utility model is to provide a lens screening device.

[0005] The utility model adopts the following technical scheme:

[0006] A lens screening device for detecting and screening lenses, comprising:

[0007] A machine table, on the upper end surface of which there are provided a plurality of loading fixtures for accommodating lenses;

[0008] A transfer mechanism, which includes an X-axis linear drive assembly fixed on the upper end surface of the machine table, a Y-axis linear drive assembly drivingly connected to the X-axis linear drive assembly, and a material taking assembly drivingly connected to the Y-axis linear drive assembly; the material taking assembly includes a movable plate, a first material taking module, and a second material taking module; the movable plate is drivingly connected to the Y-axis linear drive assembly, and the first material taking module and the second material taking module are arranged in parallel on the movable plate; the X-axis linear drive assembly and the Y-axis linear drive assembly are used to drive the material taking assembly to move in the horizontal plane; the first material taking module and the second material taking module are used to clamp the lenses;

[0009] A transfer mechanism, which includes a lens fixture provided on one side of the transfer mechanism for placing lenses;

[0010] A detection mechanism, which includes a rotating arm assembly and a detection component; the rotating arm assembly is used to realize the movement of the lens between the lens fixture and the detection component; the detection component is used to detect the lens.

[0011] Preferably, the carrying fixture includes support columns, a bottom plate fixed to the support columns, and a carrying plate disposed on the bottom plate; the carrying plate is provided with evenly distributed placement grooves; a limiting member is fixedly provided on the upper end surface of the bottom plate, and the carrying plate is clamped between the limiting members.

[0012] Preferably, the X-axis linear drive assembly includes a connecting seat fixed to the upper end surface of the machine table, a first drive motor disposed on the side surface of the connecting seat, a transmission belt disposed in the connecting seat, and a sliding block drivingly connected to the transmission belt; the first drive motor is drivingly connected to the transmission belt, and the first drive motor drives the transmission belt to rotate to drive the sliding block to move along the length direction of the connecting seat; the Y-axis linear drive assembly is fixed to the sliding block.

[0013] Preferably, the Y-axis linear drive assembly includes a support frame fixedly connected to the sliding block and a second drive motor disposed on the support frame; the second drive motor is fixedly connected to the movable plate, and the second drive motor drives the movable plate to move along the length direction of the support frame.

[0014] Preferably, a guiding mechanism is further included, and the guiding mechanism includes a guiding track fixed to the machine table and a movable block slidably connected to the guiding track; a connecting column extends from the upper end of the movable block, and the upper end of the connecting column is fixedly connected to the support frame.

[0015] Preferably, the structures of the first material taking module and the second material taking module are the same; the first material taking module includes a lifting cylinder vertically disposed on the front end surface of the movable plate and a suction nozzle drivingly connected to the lower end of the lifting cylinder; the lifting cylinder drives the suction nozzle to move up and down, and the suction nozzle is used for sucking the lens.

[0016] Preferably, the lens fixture is provided with a card slot for placing the lens.

[0017] Preferably, the rotating arm assembly includes a rotating seat and a swing arm drivingly connected to the rotating seat; the rotating seat drives the swing arm to rotate in the horizontal plane; the swing arm includes an integrally formed connecting portion, a first extension arm, and a second extension arm; the connecting portion is connected to the rotating seat, and pneumatic grippers are fixedly provided on the upper end surfaces of the first extension arm and the second extension arm.

[0018] Preferably, the detection component includes a support; a detection groove is provided on the upper end surface of the support, and an optical detection member is provided at the bottom of the detection groove; when the lens is placed in the detection groove, the optical detection member detects the lens.

[0019] Preferably, the detection component further includes a light-shielding cloth covering the outside of the support.

[0020] The beneficial effects of the present utility model are as follows:

[0021] The lens screening device involved in the present utility model automatically detects and screens lenses, improves the detection accuracy and efficiency, and saves labor costs; specifically, it is provided with a transfer mechanism, a transfer station mechanism, and a detection mechanism; among them, the transfer mechanism includes a material taking assembly, and the material taking assembly adopts a double-station mechanical structure, and the material taking assembly is used to realize the rotation between the carrying fixture and the transfer station mechanism; the detection mechanism includes a rotating arm assembly and a detection assembly; the rotating arm assembly is used to realize the rotation between the transfer station mechanism and the detection assembly; through the above mechanical structure, the rotation rate of the lens is increased, and the detection efficiency is improved. Description of the Drawings

[0022] Figure 1 is a schematic structural diagram of the lens screening device of the present utility model;

[0023] Figure 2 is a schematic structural diagram of another angle of the lens screening device of the present utility model;

[0024] Figure 3 is Figure 1 a schematic structural diagram of the transfer mechanism in

[0025] Figure 4 is Figure 3 a partial structural diagram of part A in

[0026] Figure 5 is Figure 1 a schematic structural diagram of the carrying fixture in

[0027] Figure 6 is Figure 1 a schematic structural diagram of the rotating arm assembly in

[0028] Figure 7 is Figure 1 a schematic structural diagram of the detection assembly in

[0029] Reference numerals in the drawings:

[0030] 100 - machine platform;

[0031] 11 - carrying fixture; 111 - support column; 112 - bottom plate; 113 - carrying plate; 114 - placement groove;

[0032] 200 - transfer mechanism;

[0033] 21 - X-axis linear drive assembly; 211 - connecting seat; 212 - first drive motor; 213 - drive belt; 214 - sliding block;

[0034] 22 - Y - axis linear drive assembly; 221 - support frame; 222 - second drive motor;

[0035] 23 - material picking assembly; 231 - movable plate; 232 - first material picking module; 233 - second material picking module; 234 - lifting cylinder; 235 - suction nozzle;

[0036] 24 - guiding mechanism; 241 - guiding track; 242 - movable block;

[0037] 300 - transfer mechanism;

[0038] 31 - lens fixture; 311 - card slot;

[0039] 400 - detection mechanism;

[0040] 41 - rotating arm assembly; 411 - rotating seat; 412 - swing arm; 412a - connecting part; 412b - first extension arm; 412c - second extension arm; 413 - pneumatic gripper;

[0041] 42 - detection component; 421 - support; 422 - detection groove; 423 - optical detection piece. Detailed implementation manners

[0042] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0043] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "vertical direction", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation to the present invention. In addition, "first", "second", "third", "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0044] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", and "coupled" 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 a direct connection or a connection through an intermediate medium. It can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0045] As Figures 1 to 7 shown, the lens screening device of the present utility model is used to detect and screen lenses, and specifically includes a machine table 100, a transfer mechanism 200, a transfer mechanism 300, and a detection mechanism 400. Among them, a plurality of carrier fixtures 11 are provided on the upper end surface of the machine table 100, and the carrier fixtures 11 are used to accommodate lenses.

[0046] Please refer to Figure 3 and Figure 4 , the transfer mechanism 200 includes an X-axis linear drive assembly 21 fixed to the upper end surface of the machine table 100, a Y-axis linear drive assembly 22 drivingly connected to the X-axis linear drive assembly 21, and a material taking assembly 23 drivingly connected to the Y-axis linear drive assembly 22; the material taking assembly 23 includes a movable plate 231, a first material taking module 232, and a second material taking module 233; the movable plate 231 is drivingly connected to the Y-axis linear drive assembly 22, and the first material taking module 232 and the second material taking module 233 are arranged in parallel on the movable plate 231; the X-axis linear drive assembly 21 and the Y-axis linear drive assembly 22 are used to drive the material taking assembly 23 to move in the horizontal plane; the first material taking module 232 and the second material taking module 233 are used to clamp lenses.

[0047] Please refer to Figure 1 and Figure 2 , the transfer mechanism 300 includes a lens fixture 31 provided on one side of the transfer mechanism 200, and the lens fixture 31 is used to place lenses.

[0048] Please refer to Figure 6 and Figure 7 , the detection mechanism 400 includes a rotating arm assembly 41 and a detection assembly 42; the rotating arm assembly 41 is used to realize the movement of the lens between the lens fixture 31 and the detection assembly 42; the detection assembly 42 is used to detect the lens.

[0049] The working steps of the lens screening device of the present utility model are described in detail below:

[0050] Step 1, the first material taking module 232 takes the undetected lens on the carrier fixture 11.

[0051] Step 2: The transfer mechanism 200 moves the material picking component 23 above the lens fixture 31. The second material picking module 233 picks up the detected lens on the lens fixture 31, and the first material picking module 232 places the undetected lens into the lens fixture 31.

[0052] Step 3: The swing arm component moves the undetected lens in the lens fixture 31 into the detection component 42; meanwhile, the swing arm component moves the detected lens in the detection component 42 into the lens fixture 31 for optical detection.

[0053] Step 4: The transfer mechanism 200 moves the material picking component 23 onto the carrier fixture 11, and the second material picking module 233 places the detected lens into the carrier fixture 11.

[0054] Through the above cyclic steps, the lens detection and screening are continuously carried out to improve the detection and screening efficiency of the lens. The material picking component 23 adopts a double-station mechanical structure of the first material picking module 232 and the second material picking module 233, and the rotating arm component 41 is set at the same time; during the detection process, the transfer mechanism 200 and the rotating arm component 41 can move synchronously, thereby increasing the rotation speed of the lens and the detection speed, meeting the requirements of mass production.

[0055] Specifically, the carrier fixture 11 includes a support column 111, a bottom plate 112 fixed on the support column 111, and a carrier plate 113 arranged on the bottom plate 112; uniformly distributed placement grooves 114 are provided on the carrier plate 113; a limiting member is fixedly arranged on the upper end surface of the bottom plate 112, and the carrier plate 113 is clamped between the limiting members. The lens is placed in the placement groove 114, and the operator places the carrier plate 113 between the limiting members for subsequent detection. In practical applications, multiple carrier fixtures 11 are provided, which are respectively used to accommodate three different states of lenses, and the three states are: detected and qualified, detected and unqualified, undetected.

[0056] Specifically, in this embodiment, the X-axis linear drive component 21 includes a connection seat 211 fixed on the upper end surface of the machine table 100, a first drive motor 212 arranged on the side surface of the connection seat 211, a transmission belt 213 arranged in the connection seat 211, and a sliding block 214 drivingly connected to the transmission belt 213; the first drive motor 212 is drivingly connected to the transmission belt 213, and the first drive motor 212 drives the transmission belt 213 to rotate to drive the sliding block 214 to move along the length direction of the connection seat 211; the Y-axis linear drive component 22 is fixed on the sliding block 214. The Y-axis linear drive component 22 includes a support frame 221 fixedly connected to the sliding block 214 and a second drive motor 222 arranged on the support frame 221; the second drive motor 222 is fixedly connected to the movable plate 231, and the second drive motor 222 drives the movable plate 231 to move along the length direction of the support frame 221.

[0057] Specifically, it further includes a guiding mechanism 24, which includes a guiding track 241 fixed to the machine table 100 and a movable block 242 slidably connected to the guiding track 241; a connecting column extends from the upper end of the movable block 242, and the upper end of the connecting column is fixedly connected to the support frame 221. Under the action of the guiding mechanism 24, the linear motion of the transfer mechanism 200 in the X direction is ensured.

[0058] Specifically, the first material taking module 232 and the second material taking module 233 have the same structure; the first material taking module 232 includes a lifting cylinder 234 vertically arranged on the front end face of the movable plate 231 and a suction nozzle 235 drivingly connected to the lower end of the lifting cylinder 234; the lifting cylinder 234 drives the suction nozzle 235 to move up and down, and the suction nozzle 235 is used for sucking the lens.

[0059] Specifically, the lens jig 31 is provided with a card slot 311 for placing the lens, and the card slot 311 can prevent the lens from detaching.

[0060] Specifically, the rotating arm assembly 41 includes a rotating seat 411 and a swing arm 412 drivingly connected to the rotating seat 411; the rotating seat 411 drives the swing arm 412 to rotate in the horizontal plane; the swing arm 412 includes an integrally formed connecting portion 412a, a first extension arm 412b, and a second extension arm 412c; the connecting portion 412a is connected to the rotating seat 411, and pneumatic grippers 413 are fixedly provided on the upper end faces of the first extension arm 412b and the second extension arm 412c. The pneumatic grippers 413 are used for gripping the lens, and the rotating seat 411 drives the swing arm 412 to rotate to realize the rotation between the transfer mechanism 300 and the detection component 42.

[0061] Specifically, the detection component 42 includes a support 421; a detection groove 422 is provided on the upper end face of the support 421, and an optical detection element 423 is provided at the bottom of the detection groove 422; when the lens is placed in the detection groove 422, the optical detection element 423 detects the lens. The detection component 42 further includes a light-shielding cloth (not shown in the figure) covering the outside of the support 421, and the light-shielding cloth is used to avoid the influence of ambient light on optical detection.

[0062] Compared with the prior art, the lens screening device involved in the present utility model automatically detects and screens lenses, improves the detection accuracy and efficiency, and saves labor costs; specifically, it is provided with a transfer mechanism 200, a transfer station mechanism 300, and a detection mechanism 400; among them, the transfer mechanism includes a material taking component 23, and the material taking component 23 adopts a double-station mechanical structure. The material taking component 23 is used to realize the rotation between the carrying jig 11 and the transfer station mechanism 300; the detection mechanism 400 includes a rotating arm component 41 and a detection component 42; the rotating arm component 41 is used to realize the rotation between the transfer station mechanism 300 and the detection component 42; through the above mechanical structure, the rotation rate of the lens is increased, and the detection efficiency is improved.

[0063] The above only represents the preferred technical solution of the present utility model, and its description is relatively specific and detailed, but it should not be construed as a limitation to the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and the present utility model also intends to include these modifications and improvements.

Claims

1. A lens screening device for detecting and screening lenses, characterized in that: include: A machine platform, wherein the upper end surface of the machine platform is provided with a plurality of supporting fixtures, and the supporting fixtures are used to accommodate lenses; A transfer mechanism, the transfer mechanism includes an X-axis linear drive component fixed to the upper end surface of the machine platform, a Y-axis linear drive component drivingly connected to the X-axis linear drive component, and a material picking component drivingly connected to the Y-axis linear drive component; the material picking component includes a movable plate, a first material picking module, and a second material picking module; the movable plate is drivingly connected to the Y-axis linear drive component, and the first material picking module and the second material picking module are arranged in parallel on the movable plate; the X-axis linear drive component and the Y-axis linear drive component are used to drive the material picking component to move in a horizontal plane; the first material picking module and the second material picking module are used to clamp lenses; A transfer mechanism, the transfer mechanism comprising a lens fixture provided on one side of the transfer mechanism, the lens fixture being used to place the lens; The detection mechanism comprises a rotating arm assembly and a detection assembly; the rotating arm assembly is used to realize the movement of the lens between the lens fixture and the detection assembly; the detection assembly is used to detect the lens.

2. The lens screening device according to claim 1, characterized in that: The bearing fixture includes a support column, a base plate fixed on the support column, and a bearing plate arranged on the base plate; the bearing plate is provided with evenly distributed placement grooves; a limiting piece is fixed on the upper end surface of the base plate, and the bearing plate is clamped between the limiting pieces.

3. The lens screening device according to claim 1, characterized in that: The X-axis linear drive assembly includes a connecting seat fixed to the upper end surface of the machine platform, a first driving motor arranged on the side of the connecting seat, a transmission belt arranged in the connecting seat, and a sliding block drivingly connected to the transmission belt; the first driving motor is drivingly connected to the transmission belt, and the first driving motor drives the transmission belt to rotate to drive the sliding block to move along the length direction of the connecting seat; the Y-axis linear drive assembly is fixed on the sliding block.

4. The lens screening device according to claim 3, characterized in that: The Y-axis linear drive assembly includes a support frame fixedly connected to the sliding block, and a second drive motor arranged on the support frame; the second drive motor is fixedly connected to the movable plate, and the second drive motor drives the movable plate to move along the length direction of the support frame.

5. The lens screening device according to claim 4, characterized in that: It also includes a guiding mechanism, which includes a guiding rail fixed on the machine platform and a movable block slidably connected to the guiding rail; a connecting column extends from the upper end of the movable block, and the upper end of the connecting column is fixedly connected to the supporting frame.

6. The lens screening device according to claim 1, characterized in that: The structure of the first material picking module is consistent with that of the second material picking module; the first material picking module includes a lifting cylinder vertically arranged on the front end surface of the movable plate, and a suction nozzle drivingly connected to the lower end of the lifting cylinder; the lifting cylinder drives the suction nozzle to move up and down, and the suction nozzle is used to suck the lens.

7. The lens screening device according to claim 1, characterized in that: The lens fixture is provided with a slot for placing the lens.

8. The lens screening device according to claim 1, characterized in that: The rotating arm assembly includes a rotating seat and a swing arm drivingly connected to the rotating seat; the rotating seat drives the swing arm to rotate in a horizontal plane; the swing arm includes an integrally formed connecting portion, a first extension arm, and a second extension arm; the connecting portion is connected to the rotating seat, and the upper end surfaces of the first extension arm and the second extension arm are fixedly provided with pneumatic clamps.

9. The lens screening device according to claim 1, characterized in that: The detection assembly comprises a support; the upper end surface of the support is provided with a detection groove, and the bottom of the detection groove is provided with an optical detection component; when the lens is placed in the detection groove, the optical detection component detects the lens.

10. The lens screening device according to claim 9, characterized in that: The detection component also includes a shading cloth covering the outer side of the support.

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