Lens detection device

Abstract

The utility model discloses a lens detection device, which is characterized in that an optical detection mechanism is divided into a first detection machine at the lower end part and a second detection machine at the upper end part by utilizing a penetrating through hole in a mounting seat and a mounting frame on the mounting seat, and a transfer platform can move a lens to the upper part of the first detection machine and the lower part of the second detection machine; under the condition that the charging tray is not overturned, the detection of the upper and lower surfaces of the lens is completed. Compared with the existing lens detection device, the lens detection device disclosed by the utility model has the advantages that the procedure of turning over the lens is reduced, the waiting time of other lenses to be detected is shortened, and the lens detection efficiency is further improved; and meanwhile, the material disc containing the lens does not need to be overturned, and the technical problem that the lens is risky to be separated from the material disc is solved.

Description

Technical Field

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

[0002] In the production process of lenses, some defects will inevitably appear, such as scratches, open bubbles and pitting on the lens surface, etc. In order to ensure the quality of the lenses leaving the factory, it is necessary to detect lens defects after the lenses are produced. The most traditional lens detection is through manual detection, which is very inefficient and has high labor costs. In this regard, technicians in this field use machine vision detection technology to detect lens defects, which greatly improves the efficiency of lens detection. When detecting lens defects, it is necessary to detect the upper and lower surfaces of the lens. The existing lens detection device mainly sets an optical detection mechanism above the transmission mechanism of the lens material tray, and sets a material tray flipping mechanism, and realizes the flipping of the lens through the flipping mechanism to detect the two sides of the lens. However, flipping the lens on the transmission mechanism and then detecting it after flipping makes other lenses to be tested on the transmission mechanism in a long-term stagnant state, which reduces the efficiency of lens detection; at the same time, the flipping mechanism flips the material tray, and there is a risk that the lens on the material tray will fall off the material tray during the flipping process.

[0003] In view of this, it is necessary to improve the lens detection device in the prior art to improve the efficiency of lens detection and solve the technical problem that there is a risk of lenses falling off the tray. Utility Model Content

[0004] The utility model aims to provide a lens detection device to improve the efficiency of lens detection and solve the technical problem that there is a risk of lenses falling off a material tray.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A lens detection device, comprising:

[0007] A mounting seat is provided with a through-hole, and a mounting frame is provided on the mounting seat, and the mounting frame passes over the through-hole;

[0008] A transfer platform is arranged on the mounting seat, and the transfer platform can drive the workpiece to move on the X-axis and the Y-axis, and can move to the top of the through-type through hole;

[0009] An optical detection mechanism is installed on the mounting frame at one end and on the inner side of the through-hole at the other end. The optical detection mechanism includes a first detection machine at the lower end and a second detection machine at the upper end, which are used to detect the lower surface and the upper surface of the workpiece.

[0010] Optionally, the mounting seat includes a base and a bottom plate arranged on the base, the base is provided with a through first through hole, the bottom plate is provided with a through second through hole corresponding to the first through hole, and the through holes include the first through hole and the second through hole.

[0011] Optionally, the transfer platform includes a Y-axis transfer platform arranged on the mounting seat and an X-axis transfer platform arranged on the Y-axis transfer platform, the X-axis transfer platform is provided with a scraper plate, the Y-axis transfer platform is provided with a third through hole, and the third through hole can be moved to above the through-type through hole when the Y-axis transfer platform moves.

[0012] Optionally, a Y-axis linear guide is provided on one side of the lower end surface of the Y-axis transfer platform, and a Y-axis module is provided on the other side; an X-axis linear guide is provided on one side of the lower end surface of the X-axis transfer platform, and an X-axis module is provided on the other side; and driving cylinders are provided on both the Y-axis module and the X-axis module.

[0013] Optionally, a scraper drive assembly is provided on the X-axis transfer platform, and the scraper drive assembly includes an X-axis transfer cylinder arranged on the X-axis transfer platform, a lifting cylinder is provided on one side of the X-axis transfer cylinder, and the scraper plate is arranged at the lifting end of the lifting cylinder.

[0014] Optionally, a through-type guide groove is provided on the X-axis moving platform, and the X-axis moving platform is provided with an open slot, and the through-type guide groove includes a first slide groove provided on one side of the open slot and a second slide groove on the other side, and the first slide groove is provided with an outer edge at the lower end of the side surface close to the second slide groove, and the second slide groove is provided with an outer edge at the lower end of the side surface close to the first slide groove.

[0015] Optionally, a retractable limiter is provided on the through-type guide groove to limit the movement of the workpiece on the through-type guide groove, and an elastic component is provided on the side of the second slide groove close to the first slide groove to increase the stability of the workpiece on the through-type guide groove.

[0016] Optionally, the elastic component includes a fixed block, a spring arranged in the fixed block, a bolt that passes through the fixed block and guides the spring, and a guide column with one end connected to the spring, and the other end of the guide column is connected to a roller.

[0017] Optionally, the first inspection machine includes a first Z-axis module installed on the inner side of the through-type through hole, a first station camera arranged on one side of the first Z-axis module, and a first station light source arranged above the first station camera; the second inspection machine includes a second Z-axis module installed on the mounting frame, a second station camera arranged on one side of the second Z-axis module, and a second station light source arranged below the second station camera.

[0018] Optionally, the lens detection device further comprises a dust-free drag chain, which is arranged on one side of the transfer platform.

[0019] Compared with the prior art, the utility model has the following beneficial effects: during the inspection, the lens to be tested is placed in a material tray, and then the material tray is transported to the transfer platform. The transfer platform drives the material tray to move on the X-axis and the Y-axis, and moves to the top of the first detection machine and the bottom of the second detection machine, the first detection machine detects the lower surface of the lens, and the second detection machine detects the upper surface of the lens. The lens detection device disclosed in the utility model uses the through-type through hole on the mounting seat and the mounting frame on the mounting seat to divide the optical detection mechanism into the first detection machine at the lower end and the second detection machine at the upper end, and the transfer platform can move the lens to the top of the first detection machine and the bottom of the second detection machine, and complete the detection of the upper and lower sides of the lens without turning over the material tray. Compared with the existing lens detection device, the lens detection device disclosed in the utility model reduces the process of turning over the lens, reduces the waiting time of other lenses to be tested on the transmission mechanism, and thus improves the lens detection efficiency; at the same time, there is no need to turn over the material tray with the lens, which solves the technical problem that the lens has the risk of detaching from the material tray. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0021] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with this technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantive technical significance. Any structural modification, change in proportion or adjustment of size, without affecting the effects and purposes that can be achieved by the present invention, should still fall within the scope of the technical contents disclosed by the present invention.

[0022] Figure 1 It is a schematic diagram of the overall structure of the lens detection device of the utility model patent;

[0023] Figure 2 It is a schematic diagram of the overall structure of the transfer platform of the utility model patent;

[0024] Figure 3 It is a schematic diagram of the overall structure of the elastic component of the utility model patent;

[0025] Figure 4It is a schematic diagram of the overall structure of the optical detection mechanism of the utility model patent.

[0026] Illustrations: 10, mounting base; 11, base; 12, bottom plate; 13, first through hole; 14, second through hole; 20, transfer platform; 21, Y-axis transfer platform; 211, Y-axis linear guide; 212, Y-axis module; 213, third through hole; 22, X-axis transfer platform; 221, X-axis linear guide; 222, X-axis module; 23, scraper plate; 30, optical detection mechanism; 31, first detection machine; 311, first Z-axis module; 312, first station camera; 313, first station Light source; 32. Second inspection machine; 321. Second Z-axis module; 322. Second station camera; 323. Second station light source; 40. Mounting frame; 50. Through-type guide groove; 51. First slide groove; 52. Second slide groove; 53. Limiting member; 54. Elastic component; 541. Fixed block; 542. Spring; 543. Bolt; 544. Guide column; 545. Roller; 60. Scraper drive component; 61. X-axis transfer cylinder; 62. Lifting cylinder; 70. Dust-free drag chain; 100. Material tray. DETAILED DESCRIPTION

[0027] In order to make the purpose, features and advantages of the invention of the utility model more obvious and easy to understand, the technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model. Obviously, the embodiment described below is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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 present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are 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, and therefore cannot be understood as a limitation on the present invention. It should be noted that when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a centrally arranged component at the same time.

[0029] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0030] Reference Figures 1 to 4The embodiment of the utility model provides a lens detection device, including a mounting seat 10, a transfer platform 20 and an optical detection mechanism 30. The mounting seat 10 is provided with a through-type through hole, and the cross section of the through-type through hole is rectangular. The mounting seat 10 is provided with a mounting frame 40, and the mounting frame 40 includes columns arranged on both sides of the mounting seat 10 and a connecting plate arranged on the upper end of the column and connecting the two columns, and the connecting plate passes above the through-type through hole. The transfer platform 20 is arranged on the mounting seat 10, and the transfer platform 20 can drive the workpiece to move on the X-axis and the Y-axis, and can move to the top of the through-type through hole. One end of the optical detection mechanism 30 is installed on the mounting frame 40, and the other end is installed on the inner side of the through-type through hole. When the workpiece moves to the top of the through-type through hole, the bottom of the workpiece is in a hollow state. The optical detection mechanism 30 includes a first detection machine 31 located at the lower end and a second detection machine 32 located at the upper end, which are used to detect the lower surface and the upper surface of the workpiece.

[0031] It should be noted that the mounting base 10 has a certain thickness to allow the first detector 31 to be mounted and to move up and down when the first detector 31 is focused. Optionally, the thickness of the mounting base 10 is between 20 cm and 100 cm.

[0032] Reference Figure 1 The mounting seat 10 includes a base 11 and a bottom plate 12 arranged on the base 11, the base 11 is provided with a through first through hole 13, the bottom plate 12 is provided with a through second through hole 14 corresponding to the first through hole 13, and the through through holes include the first through hole 13 and the second through hole 14.

[0033] Reference Figure 2 The transfer platform 20 includes a Y-direction transfer platform 21 disposed on the bottom plate 12 and an X-direction transfer platform 22 disposed on the Y-direction transfer platform 21. The X-direction transfer platform 22 is provided with a scraper plate 23. The Y-direction transfer platform 21 is provided with a third through hole 213. The third through hole 213 can be moved to the top of the through hole under the movement of the Y-direction transfer platform 21. The X-direction transfer platform 22 is provided with a slot. The slot can be moved to the top of the through hole under the movement of the X-direction transfer platform 22. When the transfer platform 20 drives the workpiece to move on the X-axis and the Y-axis, the workpiece is placed on the slot, so that when the workpiece is moved to the top of the through hole, the bottom of the workpiece is in a hollow state.

[0034] A Y-axis linear guide 211 is provided on one side of the lower end surface of the Y-axis transfer platform 21, and a Y-axis module 212 is provided on the other side. The lower end surfaces of the Y-axis linear guide 211 and the Y-axis module 212 are both mounted on the bottom plate 12. Specifically, the Y-axis linear guide 211 is located on one side of the second through hole 14, and the Y-axis module 212 is located on the other side of the second through hole 14. An X-axis linear guide 221 is provided on one side of the lower end surface of the X-axis transfer platform 22, and an X-axis module 222 is provided on the other side. The X-axis linear guide 221 and the X-axis module 222 are both mounted on the Y-axis transfer platform 21. The Y-axis module 212 and the X-axis module 222 are both provided with driving cylinders to provide power for the movement of the Y-axis transfer platform 21 and the X-axis transfer platform 22.

[0035] A through guide groove 50 is arranged on the X-axis transfer platform 22, and the through guide groove 50 includes a first slide groove 51 arranged on one side of the groove and a second slide groove 52 arranged on the other side. The first slide groove 51 is provided with an outer edge at the lower end of the side surface close to the second slide groove 52, and the second slide groove 52 is provided with an outer edge at the lower end of the side surface close to the first slide groove 51, and the outer edge is used to support the material tray 100 loaded with workpieces.

[0036] A retractable limiter 53 is provided on the through-type guide groove 50 to limit the movement of the workpiece on the through-type guide groove 50. The retractable limiter 53 includes a limiter rod extending into the through-type guide groove 50. The retractable limiter 53 is a retractable structure composed of a threaded cylinder and a limiter rod, and the extension and retraction are achieved by the on and off of the electromagnetic valve. When it is necessary to limit the forward movement of the material tray 100, the electromagnetic valve control air circuit is opened, and the threaded cylinder makes the limiter rod extend into the through-type guide groove 50, and the material tray 100 is restricted to one side of the limiter rod; when it is necessary to move the material tray 100 forward, the electromagnetic valve control air circuit is disconnected, and the threaded cylinder makes the limiter rod retract to the outside of the through-type guide groove 50, and the material tray 100 can move in the through-type guide groove 50.

[0037] Reference Figures 2 to 3, an elastic component 54 is provided on one side of the second slide groove 52 close to the first slide groove 51 to increase the stability of the workpiece on the through-type guide groove 50. A groove is provided on the second slide groove 52, and the groove has an opening connected to the through-type guide groove 50. The elastic component 54 includes a fixing block 541 provided in the groove, a spring 542 provided in the fixing block 541, a bolt 543 penetrating the fixing block 541 and guiding the spring 542, and a guide column 544 connected to the spring 542 at one end. The elastic force direction of the spring 542 is perpendicular to the through-type guide groove 50, and the other end of the guide column 544 is connected to a roller 545, and the roller 545 is located on one side of the through-type guide groove 50 through the opening. The elastic component 54 utilizes the characteristics of the spring 542 being compressed under the force state to clamp the material tray 100, thereby limiting the movement of the material tray 100 in the Y-axis direction.

[0038] The X-axis transfer platform 22 is provided with a scraper drive assembly 60, which includes an X-axis transfer cylinder 61 provided on the X-axis transfer platform 22, a lifting cylinder 62 provided on one side of the X-axis transfer cylinder 61, and the scraper plate 23 provided at the lifting end of the lifting cylinder 62. The scraper plate 23 is provided with a shifting block for shifting the material tray 100. When the material tray 100 needs to be moved on the through-type guide groove 50, the lifting end of the lifting cylinder 62 is lowered, so that the shifting block is located on both sides of the material tray 100, and the X-axis transfer cylinder 61 works, driving the scraper plate 23 to move in the X-axis direction, thereby shifting the material tray 100 to move on the X-axis.

[0039] The lens detection device further includes a dust-free drag chain 70 disposed on one side of the transfer platform 20, which can effectively protect the wiring harness, reduce friction, and improve aesthetics and safety.

[0040] Reference Figure 4 The first inspection machine 31 includes a first Z-axis module 311 installed on the inner side of the through-hole, a first station camera 312 arranged on one side of the first Z-axis module 311, and a first station light source 313 arranged above the first station camera 312; the second inspection machine 32 includes a second Z-axis module 321 installed on the mounting frame 40, a second station camera 322 arranged on one side of the second Z-axis module 321, and a second station light source 323 arranged below the second station camera 322. The first Z-axis module 311 is provided with a driving cylinder for driving the first station camera 312 to move on the Z axis to complete the focus of the first station camera 312 on the lens; the second Z-axis module 321 is provided with a driving cylinder for driving the second station camera 322 to move on the Z axis to complete the focus of the second station camera 322 on the lens.

[0041] The lens detection device disclosed in the utility model has a specific implementation method as follows: during detection, the lens to be detected is placed in the material tray 100, and then the material tray 100 is transported to the transfer platform 20. The transfer platform 20 drives the material tray 100 to move on the X-axis and the Y-axis, and moves to the top of the first detection machine 31 and the bottom of the second detection machine 32, and the first detection machine 31 detects the lower surface of the lens, and the second detection machine 32 detects the upper surface of the lens. The lens detection device disclosed in the utility model uses the through-type through hole on the mounting seat 10 and the mounting frame 40 on the mounting seat 10 to divide the optical detection mechanism 30 into the first detection machine 31 at the lower end and the second detection machine 32 at the upper end, and the transfer platform 20 can move the lens to the top of the first detection machine 31 and the bottom of the second detection machine 32, and complete the detection of the upper and lower surfaces of the lens without turning over the material tray 100. Compared with the existing lens detection device, the lens detection device disclosed in the utility model reduces the process of flipping the lens, reduces the waiting time of other lenses to be tested on the transmission mechanism, and thus improves the lens detection efficiency; at the same time, there is no need to flip the tray 100 containing the lenses, thereby solving the technical problem of the risk of the lenses falling off the tray 100.

[0042] As described above, 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 the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features can be replaced by equivalents. 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 detection device, characterized in that: include: A mounting seat (10) is provided with a through-hole, a mounting frame (40) is provided on the mounting seat (10), and the mounting frame (40) passes over the through-hole; A transfer platform (20) is arranged on the mounting seat (10), and the transfer platform (20) can drive the workpiece to move on the X-axis and the Y-axis, and can move to the top of the through-type through hole; An optical detection mechanism (30) is mounted on the mounting frame (40) at one end and on the inner side surface of the through-type through hole at the other end. The optical detection mechanism (30) comprises a first detection machine (31) located at the lower end and a second detection machine (32) located at the upper end, and is used to detect the lower surface and the upper surface of the workpiece.

2. The lens detection device according to claim 1, characterized in that: The mounting seat (10) comprises a base (11) and a bottom plate (12) arranged on the base (11); the base (11) is provided with a through-type first through hole (13); the bottom plate (12) is provided with a through-type second through hole (14) corresponding to the first through hole (13); the through-type through holes comprise the first through hole (13) and the second through hole (14).

3. The lens detection device according to claim 1, characterized in that: The transfer platform (20) comprises a Y-direction transfer platform (21) arranged on the mounting seat (10) and an X-direction transfer platform (22) arranged on the Y-direction transfer platform (21); a scraper plate (23) is arranged on the X-direction transfer platform (22); a third through hole (213) is arranged on the Y-direction transfer platform (21); and the third through hole (213) can be moved to above the through-type through hole when the Y-direction transfer platform (21) moves.

4. The lens detection device according to claim 3, characterized in that: A Y-axis linear guide rail (211) is arranged on one side of the lower end surface of the Y-axis transfer platform (21), and a Y-axis module (212) is arranged on the other side; an X-axis linear guide rail (221) is arranged on one side of the lower end surface of the X-axis transfer platform (22), and an X-axis module (222) is arranged on the other side; and a driving cylinder is arranged on both the Y-axis module (212) and the X-axis module (222).

5. The lens detection device according to claim 3, characterized in that: A scraper drive assembly (60) is arranged on the X-axis transfer platform (22), and the scraper drive assembly (60) comprises an X-axis transfer cylinder (61) arranged on the X-axis transfer platform (22), a lifting cylinder (62) is arranged on one side of the X-axis transfer cylinder (61), and the scraper plate (23) is arranged at the lifting end of the lifting cylinder (62).

6. The lens detection device according to claim 3, characterized in that: A through-type guide groove (50) is provided on the X-axis transfer platform (22), and the X-axis transfer platform (22) is provided with an open groove. The through-type guide groove (50) includes a first slide groove (51) provided on one side of the open groove and a second slide groove (52) provided on the other side. The first slide groove (51) is provided with an outer edge at the lower end of the side surface close to the second slide groove (52), and the second slide groove (52) is provided with an outer edge at the lower end of the side surface close to the first slide groove (51).

7. The lens detection device according to claim 6, characterized in that: A retractable stopper (53) is provided on the through-type guide groove (50) to limit the movement of the workpiece on the through-type guide groove (50), and an elastic component (54) is provided on a side of the second slide groove (52) close to the first slide groove (51) to increase the stability of the workpiece on the through-type guide groove (50).

8. The lens detection device according to claim 7, characterized in that: The elastic component (54) comprises a fixing block (541), a spring (542) disposed in the fixing block (541), a bolt (543) penetrating the fixing block (541) and guiding the spring (542), and a guide column (544) having one end connected to the spring (542), the other end of the guide column (544) being connected to a roller (545).

9. The lens detection device according to claim 1, characterized in that: The first inspection machine (31) comprises a first Z-axis module (311) mounted on the inner side surface of the through-type through hole, a first workstation camera (312) arranged on one side of the first Z-axis module (311), and a first workstation light source (313) arranged above the first workstation camera (312); the second inspection machine (32) comprises a second Z-axis module (321) mounted on the mounting frame (40), a second workstation camera (322) arranged on one side of the second Z-axis module (321), and a second workstation light source (323) arranged below the second workstation camera (322).

10. The lens detection device according to claim 1, characterized in that: It also includes a dust-free drag chain (70) arranged on one side of the transfer platform (20).

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