CN218584676U

CN218584676U - Optical detection device for diaphragm

Info

Publication number: CN218584676U
Application number: CN202222045197.3U
Authority: CN
Inventors: 陈士波; 陈士钱; 周伟; 冯振忠
Original assignee: Suzhou Springfield Machinery Co ltd
Current assignee: Suzhou Springfield Machinery Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-03-07
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses an optical detection device for diaphragm, which comprises a machine table, wherein a support plate is erected above the machine table, the support plate is provided with mounting holes, four industrial cameras arranged in a rectangular array are arranged in the mounting holes, an adjusting component is connected between each industrial camera and the support plate, a detection platform is arranged below the industrial cameras, and the detection platform is fixed on the machine table; the detection platform comprises a fixed plate, two linear sliding rails which are arranged in parallel are arranged on the fixed plate, a backlight source is connected to the sliding blocks of the two linear sliding rails, and high-light-transmission glass is arranged above the backlight source. The utility model has the advantages that: the adjustment of the adjusting assembly, the placement of the membrane and the movement of the backlight source are manually operated, so that the operation is convenient, the energy consumption is saved, the device is suitable for sampling inspection and detection of a small number of membranes, and the detection cost is low; the optical detection device has the advantages of simple structure, low production cost, simple operation process and low requirement on the specialty, and is suitable for small and medium-sized enterprises.

Description

Optical detection device for diaphragm

Technical Field

The utility model relates to an optical detection technical field specifically is an optical detection device for diaphragm.

Background

With the development of the flat panel display technology, various electronic products with display functions, such as liquid crystal televisions, notebook computers, tablet computers, smart phones, and the like, are visible everywhere, a diaphragm with an optical lens structure is commonly used in a display of the electronic products, and before the diaphragm for the display is used, optical detection is often required to be performed on the diaphragm to detect whether white dots, color plates, scars, and the like exist on the diaphragm, so that whether the diaphragm can be used or not is judged. The existing diaphragm detection is camera detection, a coaxial light source is assembled on a lens of a camera, and the diaphragm is driven to move through a servo module, so that the automatic detection of the diaphragm is realized. However, the automation operation has high requirement on automation operation, and needs a professional to perform operation detection; the detection method is suitable for spot inspection or detection of a small amount of diaphragms, and is high in detection energy consumption, detection cost and manufacturing cost, and not beneficial to development of small and medium-sized enterprises.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optical detection device for diaphragm to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an optical detection device for a diaphragm comprises a machine table, wherein a supporting plate is erected above the machine table, a mounting hole is formed in the supporting plate, four industrial cameras which are arranged in a rectangular array are arranged in the mounting hole, an adjusting assembly is connected between each industrial camera and the supporting plate, a detection platform is arranged below each industrial camera, and the detection platform is fixed on the machine table; the detection platform comprises a fixed plate, two linear sliding rails arranged in parallel are arranged on the fixed plate, a backlight source is connected to a sliding block of each linear sliding rail, and high-light-transmission glass is arranged above the backlight source.

Further preferably, a pressing plate is arranged above the high-light-transmission glass and is of a rectangular frame structure, and the pressing plate is rotatably connected with the high-light-transmission glass, so that the diaphragm can be conveniently fixed on the high-light-transmission glass.

Preferably, the light source of the backlight source is an LED dimming lamp, so as to adjust the illumination brightness of the backlight source.

Further preferably, the lower part of the backlight source is connected with a second connecting plate, two parallel barrier strips are arranged below the second connecting plate, the barrier strips are positioned between the two linear slide rails and are perpendicular to the two linear slide rails, and the barrier strips are used for limiting the movement of the backlight source on the linear slide rails.

Further preferably, be equipped with two limiting plates that parallel in the blend stop on the fixed plate, two the limiting plate is located linear slide's both ends separately, two the blend stop sets up between two limiting plates, and two blend stops and two limiting plates cooperation realize spacing of the back-and-forth movement position of blend stop, and then realize spacing to the back-and-forth movement position of backlight, prevent that backlight and linear slide from separating.

Further preferably, the adjustment assembly comprises a first displacement platform for adjustment of the horizontal position of the industrial camera; the first displacement platform is horizontally fixed on the supporting plate, an installation frame is vertically connected above the first displacement platform, and a second displacement platform which is vertically arranged is connected to the side edge, close to the installation hole, of the installation frame and used for adjusting the vertical position of the industrial camera; the side of keeping away from the mounting bracket of second displacement platform is equipped with first connecting plate, first connecting plate is connected with the industry camera.

Further preferably, the first displacement platform is an XY axis displacement platform, so that two-dimensional position fine adjustment of the industrial camera in a horizontal plane is realized, namely the industrial camera is adjusted in the X axis direction and the Y axis direction; the second displacement platform is a Z-axis displacement platform, and the position of the industrial camera on the Z axis is adjusted.

Preferably, a protective cover is covered above the machine table and used for protecting the industrial camera and the adjusting assembly and preventing dust and the like from falling onto the membrane under detection to influence the detection result; the outside of protection casing is equipped with keyboard and display screen, can show the shooting result of industry camera through the display screen, realizes controlling the demonstration of display screen through the keyboard.

Has the advantages that: the optical detection device for the diaphragm of the utility model realizes fine adjustment of the position of the industrial camera through the adjusting component, and ensures the position accuracy of the industrial camera; the support and the sliding of the backlight source are realized through the linear guide rail, the illumination brightness is provided for the diaphragm detection through the backlight source, the illumination brightness of the backlight source is adjustable, the diaphragm detection under different illumination brightness is realized, the light of the backlight source is irradiated from bottom to top, white dots, color spots and stains on the diaphragm can be better acquired, the damaged outline is obtained, and the detection precision is higher; the adjusting component adopts manual adjustment, the adjustment is simple and convenient, and the energy consumption is saved; the placement of the diaphragm and the movement of the backlight source are both manually operated, so that the operation is convenient, the energy consumption is saved, the detection method is suitable for sampling and detecting a small amount of diaphragms, and the detection cost is low; the structure frame of the optical detection device is simplified, the production cost is reduced, the operation flow is reduced, the requirement on the specialty is not high, and the optical detection device is suitable for small and medium-sized enterprises.

Drawings

Fig. 1 is a schematic diagram of an internal structure of an optical inspection device for a diaphragm according to an embodiment of the present invention;

fig. 2 is a schematic axial view of an optical inspection device for a diaphragm according to an embodiment of the present invention;

fig. 3 is a schematic front view of an optical inspection apparatus for a diaphragm according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an adjusting assembly according to an embodiment of the present invention;

fig. 5 is an exploded schematic view of the testing platform disclosed in the embodiment of the present invention.

Reference numerals: 1-machine table, 2-supporting plate, 21-mounting hole, 3-industrial camera, 4-adjusting component, 41-first displacement platform, 42-mounting frame, 43-second displacement platform, 44-first connecting plate, 5-detection platform, 51-fixing plate, 52-linear sliding rail, 53-backlight source, 54-high-light-transmission glass, 55-pressing plate, 56-second connecting plate, 57-barrier strip, 58-limiting plate, 6-protective cover, 7-keyboard and 8-display screen.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-5, an optical detection device for a diaphragm includes a machine table 1, a supporting plate 2 is erected above the machine table 1, a mounting hole 21 is formed in the supporting plate 2, four industrial cameras 3 arranged in a rectangular array are arranged in the mounting hole 21, and an adjusting assembly 4 is connected between each industrial camera 3 and the supporting plate 2. Wherein, backup pad 2 is used for adjusting component 4's installation, and adjusting component 4 can finely tune the position of industry camera 3, guarantees that the position of industry camera 3 is accurate. The below of industry camera 3 is equipped with testing platform 5, and testing platform 5 is fixed in on board 1, realizes placing of diaphragm through monitoring platform 5, and the industry camera 3 of being convenient for shoots the detection to the diaphragm. The detection platform 5 comprises a fixing plate 51, two linear sliding rails 52 arranged in parallel are arranged on the fixing plate 51, a backlight 53 is connected to the sliding blocks of the two linear sliding rails 52, and high-transmittance glass 54 is arranged above the backlight 53. The linear guide rail 52 is used for supporting and sliding the backlight source 53, so that the backlight source 53 can be conveniently drawn out manually, the diaphragm is fixed on the high-light-transmission glass 54, the backlight source 53 is pushed, the high-light-transmission glass 54 and the diaphragm fixed on the high-light-transmission glass 54 are moved to the position below the lens of the industrial camera 3, and optical detection of the diaphragm, such as white points, color spots, stains, scars and the like, is realized; the high-light-transmission glass 54 is high-light-transmission nano-coating glass, has good light transmission and can reduce the cleaning frequency; the light source of the backlight source 53 is an LED dimming lamp, so that the illumination brightness of the backlight source 53 can be adjusted, the diaphragm detection under different illumination brightness can be realized, the light of the backlight source 53 is irradiated from bottom to top, white spots, color spots and stains on the diaphragm can be better acquired, and the detection precision is higher.

In this application, adjusting part 4 contains first displacement platform 41, and on first displacement platform 41 level was fixed in backup pad 2, the vertical mounting bracket 42 that is connected with in top of first displacement platform 41, the side that is close to mounting hole 21 of mounting bracket 42 was connected with the second displacement platform 43 of vertical setting, and the side of keeping away from mounting bracket 42 of second displacement platform 43 is equipped with first connecting plate 44, and first connecting plate 44 is connected with industrial camera 3. The first displacement platform 41 is an XY-axis displacement platform, so that displacement adjustment of the mounting frame 42 in a horizontal plane is realized, and further position fine adjustment of the industrial camera 3 in the X-axis and Y-axis directions is realized; the second displacement platform 43 is a Z-axis displacement platform, and realizes displacement adjustment of the first connecting plate 44 in a vertical plane, thereby realizing fine adjustment of the position of the industrial camera 3 in the Z-axis direction. The first displacement platform 41 and the second displacement platform 43 realize high-precision and smooth movement of the industrial camera 3, and the detection precision of the diaphragm is improved.

In the application, the adjusting component 4 is manually adjusted, so that the adjustment is simple and convenient, and the energy consumption is saved; the placement of the diaphragm and the movement of the backlight source 53 are both manually operated, so that the operation is convenient, the energy consumption is saved, the detection method is suitable for sampling and detecting a small amount of diaphragms, and the detection cost is low; the structure frame, the production cost and the operation flow of the optical detection device are simplified, the requirement on the specialty is not high, and the optical detection device is suitable for small and medium-sized enterprises.

In this application, high printing opacity glass 54's top is equipped with clamp plate 55, and clamp plate 55 rotates with high printing opacity glass 54 for rectangle frame structure clamp plate 55 to be connected, and through the setting of clamp plate 55, the diaphragm of guaranteeing to place on high printing opacity glass 54 is fixed firm, can not appear removing when removing and detecting along with high printing opacity glass 54, guarantees the detection precision of diaphragm.

In the application, a second connecting plate 56 is connected below the backlight 53, two barrier strips 57 arranged in parallel are arranged below the second connecting plate 56, and the barrier strips 57 are positioned between the two linear slide rails 52 and are arranged perpendicular to the two linear slide rails 52; meanwhile, two limiting plates 58 parallel to the barrier strips 57 are arranged on the fixing plate 51, the two limiting plates 58 are respectively arranged at two ends of the linear slide rail 52, the two barrier strips 57 are arranged between the two limiting plates 58, and the backlight source 53 is limited in movement through the barrier strips 57 and the limiting plates 58. The two linear slide rails 52 are arranged left and right, so that the backlight 53 can slide back and forth, the two barrier strips 57 are arranged front and back below the second connecting plate 56, the two limiting plates 58 are arranged at the front and back ends of the linear slide rails 52, and when the backlight 53 moves back and forth, the barrier strips 57 are blocked by the limiting plates 58, so that the backlight 53 can be prevented from sliding out of the rails of the linear slide rails 52.

In the application, the protective cover 6 covers the machine table 1, the industrial camera 3 and the adjusting assembly 4 are protected by the protective cover 6, and dust and foreign matters can be prevented from falling onto the diaphragm to influence the diaphragm detection result; the outer side of the protective cover 6 is provided with a keyboard 7 and a display screen 8, and the display screen 8 is used for displaying the shooting result of the industrial camera 3, so that the detection personnel can conveniently watch the shooting result; the keyboard 7 is convenient for the operation of the detection personnel.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the content of the present invention within the protection scope of the present invention.

Claims

1. An optical detection device for a membrane, comprising a machine table (1), characterized in that: a supporting plate (2) is erected above the machine table (1), mounting holes (21) are formed in the supporting plate (2), four industrial cameras (3) which are arranged in a rectangular array are arranged in the mounting holes (21), an adjusting component (4) is connected between each industrial camera (3) and the supporting plate (2), a detection platform (5) is arranged below each industrial camera (3), and the detection platform (5) is fixed on the machine table (1); detection platform (5) contain fixed plate (51), be equipped with two parallel arrangement's linear slide rail (52) on fixed plate (51), two be connected with a backlight (53) on the slider of linear slide rail (52), the top of backlight (53) is equipped with high printing opacity glass (54).

2. An optical inspection device for a film sheet as claimed in claim 1, wherein: a pressing plate (55) is arranged above the high-light-transmission glass (54), the pressing plate (55) is of a rectangular frame structure, and the pressing plate (55) is rotatably connected with the high-light-transmission glass (54).

3. An optical inspection device for a film sheet as claimed in claim 1, wherein: and the light source of the backlight source (53) is an LED dimming lamp.

4. An optical inspection device for a film sheet as claimed in claim 1, wherein: the backlight source (53) is connected with a second connecting plate (56) below, two parallel barrier strips (57) are arranged below the second connecting plate (56), and the barrier strips (57) are located between the two linear slide rails (52) and are perpendicular to the two linear slide rails.

5. An optical inspection device for film sheets as claimed in claim 4, wherein: the fixing plate (51) is provided with two limiting plates (58) parallel to the barrier strips (57), the two limiting plates (58) are respectively arranged at two ends of the linear sliding rail (52), and the two barrier strips (57) are arranged between the two limiting plates (58).

6. An optical inspection device for a film sheet as claimed in claim 1, wherein: adjusting part (4) contain first displacement platform (41), first displacement platform (41) horizontal fixation is in backup pad (2) on, the vertical mounting bracket (42) that is connected with in top of first displacement platform (41), the side that is close to mounting hole (21) of mounting bracket (42) is connected with second displacement platform (43) of vertical setting, the side of keeping away from mounting bracket (42) of second displacement platform (43) is equipped with first connecting plate (44), first connecting plate (44) are connected with industrial camera (3).

7. An optical inspection device for film sheets as claimed in claim 6, wherein: the first displacement platform (41) is an XY-axis displacement platform, and the second displacement platform (43) is a Z-axis displacement platform.

8. An optical inspection device for a film sheet as claimed in claim 1, wherein: the top cover of board (1) is equipped with protection casing (6), the outside of protection casing (6) is equipped with keyboard (7) and display screen (8).