KR102132111B1 - The lenz module inspection equipment with monitering function of display - Google Patents

Abstract

The present invention relates to a camera lens module inspection apparatus having a monitoring function using a display which enables an operator to together perform, in real time, a vision inspection for inspecting origin setting for a plurality of lens modules, loaded on a tray, and whether foreign substances remain thereon and a light-transmitting inspection on light-transmitting characteristics, which are the most important characteristics of the lens modules, through monitoring of images obtained by photographing the lens modules with a vision camera. The camera lens module inspection apparatus includes: a handler inspection device which includes a vision inspection unit provided on one side thereof, and individually picks up the lens modules loaded on the tray and supplied to the inside of the handler inspection device and moves the lens modules to inspection positions; a light-transmitting inspection device which inspects the light-transmitting characteristics of the lens modules by projecting light on the lens modules, moved to the inspection positions, from the rear in an erected inspection position; and a monitoring inspection unit which monitors a light-transmitting state in real time and inspects the lens modules when light is projected on the lens modules by the light-transmitting inspection device.

Description

The lenz module inspection equipment with monitering function of display

The present invention relates to a lens module inspection equipment of a camera having a monitoring function through a display, and more specifically, to inspect the appearance of a lens module and whether foreign substances remain through an image taken by a vision camera of a lens module loaded in a tray. It relates to a lens module inspection equipment of a camera having a monitoring function through a display that allows an operator to check while inspecting in real time through monitoring together with the vision inspection to set the origin and the light transmission inspection, which is the most important characteristic of the lens module.

In general, a portable terminal such as a smart phone or a PDA is actively performing convergence, in which additional functions such as movie watching and photography are added, as well as the original function of the terminal, actively leading the development of this multi-convergence. As one of them, a camera lens module mounted on a portable terminal can be said to be the most representative.

In addition, in recent years, the resolution of the camera lens module is gradually increased to a high pixel, and various additional functions such as autofocusing (AF) and optical zoom are being additionally implemented.

On the other hand, the camera lens module as described above may cause damage due to dropping during manufacturing, assembly, and transportation, and when such damage occurs, the lens module for the camera, in particular, the external appearance of the lens portion is scratched, so that the consumer Complaints caused by the situation are constantly being caused.

Therefore, the lens module for such a camera is to check whether there is a foreign substance remaining through an image taken after the assembly is completed, and the lens module inspection equipment of a camera having a conventional display monitoring function has multiple cameras inside the frame installed as a profile. A plurality of trays loaded with a lens module, a jig for mounting the tray to the equipment body, and a vision camera for inspecting the presence of foreign objects and setting the origin for each camera lens module are installed on the top of the jig.

The vision camera transmits data for displaying an inspection process and results to a display device installed on one side of the frame, and this data is designed to be monitored in real time by an operator.

However, the camera lens module inspection equipment having a monitoring function through the conventional display is designed to simply inspect the presence or absence of foreign matter in the lens module loaded on the tray in an external shape, and the light transmission characteristic, which is the most important inspection requirement of the lens module. Since inspection is impossible, it is necessary to provide separate equipment for light transmission characteristic inspection, which has a problem of economic burden and loss due to equipment burden.

Republic of Korea Patent Publication No. 10-2018-0074175 (published on July 3, 2018.) "Lens module vision inspection method"

Accordingly, the present invention was devised to solve the above-mentioned general problems as described above, and its purpose is a vision inspection that inspects the presence or absence of foreign matter in the lens module through an image taken by a vision camera of a lens module loaded in a tray. It is to provide a lens module inspection equipment for a camera having a monitoring function through a display that allows an operator to check the light transmission inspection, which is the most important characteristic of the lens module.

One form of the lens module inspection equipment of the camera having a display monitoring function according to the present invention for achieving the object of the present invention, in the camera lens module inspection equipment having a display monitoring function, a vision inspection unit on one side of the handler device body And a handler inspection device for individually picking up a lens module on a tray input into the handler device body and moving the lens module to an inspection position; A light transmission inspection device for inspecting light transmission characteristics of the lens module by projecting light from the rear in an upright inspection posture of the lens module moved to the inspection position; When the light is projected to the lens module by the light transmission inspection device, it is characterized in that it consists of; a monitoring inspection unit to monitor and inspect the light transmission state in real time.

In addition, the handler inspection apparatus is a plate-shaped handler device main body having a space open to the front side with an area corresponding to a tray in the middle; A tray lower support which is provided in the intermediate space portion of the handler device body and supports the lower portion of the input tray; A Z-axis tray driving unit and a Y-axis tray driving unit for moving the tray lower support in the Z-axis direction and the Y-axis direction; A vision inspection unit provided on one side of the front side of the handler device main body to inspect the setting of the origin for the lens module and the presence of foreign matter; A lens module pick-up tool which is provided on the upper side of the handler device main body and individually picks up the lens module loaded on the input tray and carries it to the corresponding position; It is characterized in that the X-axis pickup drive unit and the Y-axis pickup driving unit and Z-axis driving unit for moving the lens module pickup tool in the X-axis, Y-axis, and Z-axis directions.

In addition, the light transmission inspection device is a socket assembly that maintains the inspected lens module in an upright inspection posture through the vision inspection unit of the handler inspection device; Characterized in that it consists of; a backlight assembly that projects light onto a lens module that maintains an inspection position upright by the socket assembly.

In addition, the socket assembly is a lens module is seated, and the socket repeats the upright and upright and original position by the socket rotation unit; A socket cover provided on an upper side of the socket and opened and closed up and down by a socket cover driver; A socket cover clamp that locks or unlocks the socket cover when it is closed; It characterized in that it consists of an X-axis socket driving unit and a Y-axis socket driving unit for moving the socket in the X-axis and Y-axis directions so that the socket can be positioned in an upright state for light transmission inspection.

In addition, in the backlight assembly, backlights A, B, C, and D are arranged in upper, lower, left, and right to form a set, and the backlight A is maintained at 0 with respect to the forward direction, and the backlight B located on the right side of the backlight A Is a 30 degree inclination angle in the left direction by the backlight driver, the backlight C located on the lower side of the backlight B maintains a 30 degree inclination angle in the upward direction by the backlight driver, and the backlight D located on the left side of the backlight C is It is characterized by being configured to maintain a 30-degree inclination angle in the right direction by the backlight driver.

As described above, the present invention includes a vision inspection unit on one side of the handler device main body, and a handler inspection device for individually picking up a lens module on a tray inserted in the handler device main body and moving it to an inspection position; A light transmission inspection device for inspecting light transmission characteristics of the lens module by projecting light from the rear in an upright inspection posture of the lens module moved to the inspection position; When light is projected onto the lens module by the light transmission inspection device, the light transmission state can be monitored and inspected in real time. Together with the vision inspection to check for residuals and the light transmission inspection, which is the most important characteristic of the lens module, the operator can check while monitoring in real time through monitoring, thereby making work faster and improving productivity. In addition, since there is no need to separately provide light transmission inspection equipment, it has the effect of further increasing the economic efficiency according to the equipment purchase cost.

1 is a perspective view showing the entire configuration of a lens module inspection equipment of a camera having a monitoring function through a display according to the present invention.
2 to 4 shows the overall configuration of the handler inspection apparatus of FIG. 1,
2 is a front perspective view.
3 is a rear perspective view.
4 is a partially enlarged perspective view.
Figure 5 is a perspective view showing a socket assembly of the present invention handler inspection apparatus.
Figure 6 is a perspective view showing the optical characteristic inspection apparatus of the present invention.
7 is a perspective view showing the backlight assembly of FIG. 6.
8 to 11 are perspective views showing a state in which a tray in which a plurality of lens modules are loaded is input to the handler inspection apparatus of the present invention.
12 to 14 is an exemplary view showing a process of moving the lens module on the tray input to the handler inspection apparatus of the present invention to the socket assembly side of the vision inspection unit and the optical characteristic inspection unit with a pick-up tool.
15 to 19 are exemplary views showing an optical characteristic inspection process for a lens module moved to the socket assembly side of the optical property inspection unit through the process of FIGS. 12 to 14.
20 and 21 are exemplary views showing states displayed through two monitors constituting the monitoring inspection unit of the present invention.

Advantages and features of the embodiments of the present invention, and methods for achieving them will be made clear by referring to embodiments described below in detail with reference to the accompanying drawings.

However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only the embodiments allow the disclosure of the present invention to be complete, and common knowledge in the technical field to which the present invention pertains. It is provided to completely inform the person having the scope of the invention, and the present invention is only defined by the scope of the claims. The same reference numerals throughout the specification refer to the same components.

In describing embodiments of the present invention, when it is determined that a detailed description of known functions or configurations may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted.

In addition, terms to be described later are terms defined in consideration of functions in an embodiment of the present invention, which may vary according to a user's or operator's intention or practice, and thus the definition should be made based on the contents throughout the present specification.

Hereinafter, with reference to the accompanying drawings, the configuration of the lens module inspection equipment of the camera having a display monitoring function according to the present invention will be described in detail according to an embodiment.

1 is a perspective view showing the overall configuration of a lens module inspection equipment of a camera having a monitoring function through a display according to the present invention, as shown in the present invention, the present invention inspects the lens module in a frame constructed as a profile A handler inspection device (1) for advancing to a position, a light transmission inspection device (2) for projecting light from the rear of the lens module advanced to the inspection position, and inspecting light transmission characteristics on the lens module, and the light transmission inspection device ( When the light is projected to the lens module by 2), it is composed of a monitoring inspection unit 3 that monitors and inspects the light transmission state in real time, and the monitoring inspection unit 3 is inspected by the handler inspection device 1 It consists of a monitor A (31) displaying the process and results, and a monitor B (32) displaying the inspection process and results by the light transmission inspection device (2).

2 to 4 show the overall configuration of the handler inspection device of FIG. 1, FIG. 2 is a front perspective view, FIG. 3 is a rear perspective view, and FIG. 4 is a partially enlarged perspective view, and the handler inspection device is as shown in FIG. (1) is composed of a plate-shaped handler device main body 10 in which a space in which the middle is open to the front side at a width corresponding to the tray T, and a plurality of lens modules are provided through the intermediate space portion of the handler device main body 10. The tray T loaded with the M is put in.

In addition, a tray lower support 11 is provided to support the lower portion of the tray T inserted into the intermediate space portion of the handler device body 10, and the tray lower support 11 is a space of the handler device body 10. It is configured to move the tray T inputted by the Z-axis tray driving unit 12 and the Y-axis tray driving unit 13 installed on the inner wall, up, down, and back and forth.

In addition, a vision inspection unit 14 is provided on the front side of the handler device main body 10 for inspecting the setting of the origin for the lens module and the presence of foreign matter on the front side, and the light to be described later on one side of the vision inspection unit 14 The socket assembly 21 of the transmission inspection device 2 is located.

Along with this, the lens module pickup loaded on the input tray T on the upper side of the handler device main body 10 is individually picked up and transported to the vision inspection unit 14 and the socket assembly 21 side. A tool 16 is provided, and the lens module pickup tool 16 is loaded on the tray T by the X-axis pickup driving unit 17, the Y-axis pickup driving unit 18, and the Z-axis pickup driving unit 19. It is configured to individually pick up the lens module (M) and transport it to the corresponding location.

5 is a perspective view showing a socket assembly of the handler inspection apparatus of the present invention, as shown in the socket assembly 21 is provided with a socket 211 to which the lens module M is seated, and the socket 211 ) Is configured to be upright and upright and be returned to the original position by the socket rotating part 215 on one side.

In addition, a socket cover 213 is provided on the upper side of the socket 211 to open and close the socket 211 by the other side of the socket cover driver 212, and the socket cover 213 is a socket cover clamp 214 The socket 211 is configured such that the locked state can be maintained by the X-axis socket driving unit 216 and the Y-axis socket driving unit 217 so that the position adjustment can be performed in an upright state for light transmission inspection. Includes.

FIG. 6 is a perspective view showing the light transmission inspection device of the present invention, and FIG. 7 is a perspective view showing the backlight assembly of FIG. 6, as shown in the light transmission inspection device as a backlight assembly 22 having a plurality of backlights. It is configured, the backlight assembly 22 is provided with backlight A, B, C, D (222) (223) (224) (225) up, down, left, right.
More specifically, in the backlight assembly 22, the backlights A, B, C, and D 222, 223, 224, and 225 are centered around the center backlight 221, and are arranged up, down, left, and right. In one set, the backlights A,B,C,D(222)(223)(224)(225) make the backlights A,B,C,D(222)(223)(224) to achieve different inclination angles. ) 225 is coupled to the backlight driving unit 226 protruding to the side is configured to adjust the inclination angle.
At this time, the backlight driver 226 is a backlight A, B, C, D (222) (223) (224) for setting the angle of the backlight A, B, C, D (222) (223) (224) It is natural that it is hinged with (225) as shown in FIG. 7.

The backlight A 222 is maintained at 0 with respect to the forward direction, and the backlight B 223 located on the right side of the backlight A 222 maintains a 30 degree inclination angle in the left direction, and is located at the lower side of the backlight B 223. The located backlight C 224 maintains an inclination angle of 30 degrees in the upward direction, and the backlight D 225 located on the left side of the backlight C 224 is configured to maintain an inclination angle of 30 degrees in the right direction.

Next, the inspection process of the camera lens module inspection equipment having the display monitoring function according to the present invention configured as described above will be described in detail with reference to the accompanying drawings.

8 to 11 are perspective views showing a state in which a tray in which a plurality of lens modules are loaded is input to the handler inspection apparatus of the present invention, and FIGS. 12 to 14 are pickup tools for a lens module on a tray input to the handler inspection apparatus of the present invention. As an exemplary view showing a process of moving to the socket assembly side of the low vision inspection unit and the optical property inspection unit, as shown in the present invention, first, the tray T is mounted on the tray lower support 11 of the handler device main body 10 When the tray T is placed, the tray lower support 11 on which the tray T is seated rises by the Z-axis tray driving unit 12 and moves to the vision inspection unit 14 by the Y-axis tray driving unit 13 again.

Then, the tray lower support 11 is lowered again by the Z-axis tray driving unit 12, and the operator is seated on the descending tray lower support 11 to place the tray T to be inspected, and then input it. The input tray T is raised together with the tray lower support 11 by the Z-axis tray driving unit 12 to be placed on the Y-axis tray driving unit 13 to stand by.

Thus, when the input of the tray T to the handler device main body 10 is completed, the lens module pickup tool 16 is provided on the handler device body 10, the X-axis pickup driver 17 and the Y-axis pickup driver ( 18) while moving in the X-axis and Y-axis by first, a plurality of lens modules (M) loaded on the tray (T) input to the handler device body (10) individually picked up and moved to the vision inspection unit (14) After that, the position adjustment, that is, the origin is set, and then a vision inspection is performed for the presence of foreign matter.

After the operator detects whether the lens module M is defective through monitoring, in the case of a genuine product, the optical transmission inspection device 2 from the vision inspection unit 14 uses the pickup tool 16 again using the X-axis pickup driving unit 17 again. Is moved to the socket 211 side, and in the case of a defective product, it is moved to the defective product seating portion 51b.

15 to 19 are exemplary views showing an optical characteristic inspection process for a lens module moved to the socket assembly side of the optical property inspection unit through the process of FIGS. 12 to 14, as shown in the present invention, the light transmission inspection device The pickup tool 16 moved to the socket 211 side of (2) secures the lens module M to the socket 211, and after the lens module M is mounted to the socket 211, the socket cover driver While the socket cover 213 is closed by 212, it is kept closed by the cover clamp 214.

The socket 211 on which the lens module M is seated is upright 90 degrees by the socket rotation unit 215 again, and the upright socket 211 is an X-axis socket driving unit 216 and a Y-axis socket driving unit 217. By doing so, light transmission inspection by illumination of the light transmission inspection device 2 is performed while the positions of the optical axis and the center are corrected.

The light transmission inspection device 2 is a set of four backlights A, B, C, D (222) (223) (224) (225), top, bottom, left, and right, centered on the center backlight (221). Thus, as the illumination of the lens module M of the socket 211 is performed, the backlight A 222 is maintained at 0 in the forward direction by the backlight driver 226, and the backlight B 223 is 30 degrees in the left direction. The inclination angle is achieved, and the backlight C 224 forms an inclination angle of 30 degrees in the upward direction, and the backlight D 225 is illuminated to the lens module M of the socket 211 while maintaining the inclination angle of 30 degrees in the right direction.

Therefore, the lens module M of the socket 211 can be inspected for light transmission characteristics at various angles. At this time, the angle setting of the backlight can be variously set without being limited thereto, but the angle setting as described above will be more preferable for more accurate light transmission characteristic inspection.

When the light transmission characteristic inspection is completed in this way, the socket 211 is returned to the horizontal state in an upright state by the socket rotation unit 215 again, and then the socket cover 213 is released while the lock state by the cover clamp 214 is released. Is opened by the socket cover driver 212.

After the socket cover 213 is opened, the lens module pickup tool 16 divides the lens module M, which has undergone vision inspection and light transmission inspection, into genuine and defective products, and then moves it back to the original position of the tray T or defective lens module. After moving to the seating portion 51b, the lens module M is picked up on the next tray T to repeatedly perform a series of vision inspection and light transmission inspection as described above.

In this way, the inspection process and results of the lens module M using the handler inspection device 1 and the light transmission inspection device 2 are monitor A 31 of the monitor inspection unit 3 as shown in FIGS. 20 and 21. Through the vision inspection process and results are displayed, the monitor B 32 displays the process and results by light transmission inspection, so that workers can perform inspections through real-time vision inspection and light transmission inspection. Will be.

As described above, the present invention includes a vision inspection unit on one side of the handler device main body, and a handler inspection device for individually picking up a lens module on a tray inserted into the handler device main body and moving it to an inspection position; A light transmission inspection device for inspecting light transmission characteristics of the lens module by projecting light from the rear with the lens module moved to the inspection position in an upright inspection posture; When light is projected to the lens module by the light transmission inspection device, the light transmission state can be monitored and inspected in real time, thereby setting the origin of the lens module through the image of the lens module loaded in the tray with the vision camera and The vision inspection to check for the presence of foreign substances and the light transmission inspection, which is the most important characteristic of the lens module, can be inspected in real time through monitoring by the operator, thereby making work faster and improving productivity. In addition, it is possible to further increase the economic efficiency according to the cost of equipment purchase because there is no need to separately provide light transmission inspection equipment.

In the above, the lens module inspection equipment of a smart phone camera having a display monitoring function according to the present invention has been described in detail, but this is only a description of the most preferred embodiment of the present invention, and the present invention is not limited thereto. The scope is determined and limited by the claims. In addition, anyone skilled in the art will be able to make various modifications and imitation by the contents of the specification of the present invention, but it will be clear that this is also not outside the scope of the present invention.

1: handler inspection device
10: handler device body 11: tray lower support
12: Z-axis tray drive 13: Y-axis tray drive
14: vision inspection unit 15a: buffer zone (buffer zone)
15b: defective product seating 16: lens module pickup tool
17: X-axis pickup drive 18: Y-axis pickup drive
19: Z-axis pickup drive
2: Light transmission inspection device
21: socket assembly
211: socket 212: socket cover drive
213: socket cover 214: socket cover clamp
215: socket rotation unit 216: X-axis socket driving unit
217: Y-axis socket drive
22: backlight assembly
221: center backlight 222,223,224,225: backlight A,B,C,D
226: backlight driver

Claims (7)

A handler that includes a vision inspection unit 14 on one side of the handler device main body 10 and individually picks up the lens module M on the tray T inserted into the handler device main body 10 and moves it to the inspection position. An inspection device 1; An optical transmission inspection device (2) for inspecting the light transmission characteristics of the lens module (M) by projecting light from the rear with the lens module (M) moved to the inspection position in an upright inspection posture; When the light is projected to the lens module (M) by the light transmission inspection device (2), a monitoring inspection unit (3) for monitoring by inspecting the light transmission state in real time; consisting of; display monitoring function characterized by consisting of In the camera lens module inspection equipment having,
The light transmission inspection device 2, the origin is set through the vision inspection unit 14 of the handler inspection device 1, and the lens module M, which has been inspected for the presence of foreign matter, is maintained in an upright inspection posture. A socket assembly 21 to be made; It consists of; a backlight assembly (22) for projecting light to the lens module (M) maintaining the inspection posture upright by the socket assembly (21),
In the backlight assembly 22, the backlights A, B, C, and D 222, 223, 224, and 225 are centered around the center backlight 221 to form a set. , The backlight A,B,C,D(222)(223)(224)(225) The backlight A,B,C,D(222)(223)(224)(225) to achieve different inclination angles Camera lens module inspection equipment having a display monitoring function, characterized in that the inclination angle is adjusted in combination with the backlight driving unit 226 protruding to the side.
According to claim 1,
The handler inspection device (1) includes a plate-shaped handler device body (10) having a space that is open to the front side at a width corresponding to a tray (T);
A tray lower support 11 provided in the intermediate space portion of the handler device body 10 to support the lower portion of the input tray T;
A Z-axis tray driving unit 12 and a Y-axis tray driving unit 13 for moving the tray lower support 11 in the Z-axis direction and the Y-axis direction;
A vision inspection unit 14 which is provided on one side of the front side of the handler device main body 10 to check whether there is any foreign substance remaining on the lens module M and to set an origin;
A lens module pick-up tool 16 provided on the upper side of the handler device body 10 to individually pick up the lens module M loaded on the input tray T and transport it to a corresponding position;
An X-axis pickup driver 17 and a Y-axis pickup driver 18 and a Z-axis pickup driver 19 for moving the lens module pickup tool 16 in the X-axis, Y-axis, and Z-axis directions;
Camera lens module inspection equipment having a display monitoring function, characterized in that configured.
delete According to claim 1,
The socket assembly 21 includes a socket 211 in which the lens module M is seated, and is repeatedly upright and vertically positioned by the socket rotation unit 215 and returned to its original position;
A socket cover 213 provided on an upper side of the socket 211 and opened and closed up and down by a socket cover driver 212;
A camera lens module inspection device having a display monitoring function, characterized in that it consists of; a socket cover clamp (214) to be locked or released when the socket cover (213) is closed.
According to claim 4,
The socket assembly 21 includes an X-axis socket driver 216 for moving the socket 211 in the X-axis and Y-axis directions so that the socket 211 can be positioned in an upright state for light transmission inspection. Camera lens module inspection equipment having a display monitoring function, characterized in that it further comprises a Y-axis socket driver (217).
delete According to claim 1,
The backlight A 222 is maintained at 0 with respect to the forward direction, and the backlight B 223 located on the right side of the backlight A 222 maintains a 30 degree inclination angle in the left direction by the backlight driver 226, and the backlight B The backlight C 224 located on the lower side of 223 maintains an inclination angle of 30 degrees in the upward direction by the backlight driver 226, and the backlight D 225 located on the left side of the backlight C 224 is a backlight driver Camera lens module inspection equipment having a display monitoring function, characterized in that configured to maintain a 30-degree tilt angle in the right direction by (226).

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