CN219758057U

CN219758057U - MiniLED vision detection fixing and adjusting mechanism

Info

Publication number: CN219758057U
Application number: CN202320580719.1U
Authority: CN
Inventors: 杨勇
Original assignee: Shanghai Jutze Technology Co ltd
Current assignee: Shanghai Jutze Technology Co ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-09-26
Anticipated expiration: 2033-03-22

Abstract

The utility model discloses a miniLED visual inspection fixed adjustment mechanism, which comprises a bottom plate, wherein an installation vertical plate is fixedly connected to the bottom plate, the front surface of the installation vertical plate is provided with a linear sliding rail arranged along the vertical direction and a movable substrate connected to the linear sliding rail in a sliding way, the back surface of the installation vertical plate is provided with a Z-axis driving assembly for driving the movable substrate to slide along the length direction of the linear sliding rail, and the front surface of the movable substrate is provided with a camera assembly for visual inspection through a camera mounting piece; the camera mounting piece is connected with the movable substrate through a bolt, and an adjusting waist-shaped hole matched with the bolt is formed in the camera mounting piece; and a Z-direction adjusting block is fixedly connected to the movable substrate, a fine adjusting screw is movably connected to the Z-direction adjusting block and is in threaded connection with the Z-direction adjusting block through an adjusting threaded hole in the camera mounting part, and the camera mounting part is rotated to enable the camera mounting part to drive the camera assembly to move along the length direction parallel to the linear sliding rail. The utility model has the advantages of convenient installation and simple debugging.

Description

MiniLED vision detection fixing and adjusting mechanism

Technical Field

The utility model relates to the technical field of vision equipment adjusting devices, in particular to a miniLED vision detection fixing and adjusting mechanism.

Background

Since the LED chips are densely distributed in the packaging process of the miniLED backlight technology, after the packaging is finished, the appearance of the miniLED needs to be checked, the appearance quality of the miniLED needs to be ensured to be intact, and the fatal defects of missing, solid deflection, solid distortion, less tin, foreign matters, reverse direction, floating crystal, collinearity and the like of the miniLED chips cannot exist.

In the existing production, the appearance of the miniLED is usually detected by adopting 3D vision, an industrial camera and a lens are needed for 3D vision detection, wherein the industrial camera and the lens are fixedly connected, and the height of the lens relative to a product is needed to be adjusted before the vision detection, so that a photo shot by the camera is clear enough. At present, the common design is that a camera is fixed on a camera mounting part, the camera mounting part is fixed on a vertical plate through a bolt, a waist-shaped hole matched with the bolt is formed in the camera mounting part, the height of a lens is adjusted up and down in the waist-shaped hole through holding a camera mounting part adjusting bolt in the process of installation and debugging, the level of the lens is ensured, so that the best image capturing definition is achieved, the adjustment is quite inconvenient, and the operation precision is uncontrollable.

Disclosure of Invention

The utility model aims to provide a miniLED visual detection fixing and adjusting mechanism, which solves the problems that in the prior art, a lens is difficult to mount horizontally and is easy to incline in the moving process.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a fixed guiding mechanism of miniLED vision inspection, includes the bottom plate, fixedly connected with installs the riser on the bottom plate, install the riser openly and be equipped with along the straight line slide rail that vertical direction set up and sliding connection be in remove base plate on the straight line slide rail, install the riser back and drive remove the base plate along the gliding Z axle drive assembly of straight line slide rail length direction, remove the base plate openly and install the camera subassembly that is used for visual inspection through the camera installed part;

the camera mounting piece is connected with the movable substrate through a bolt, and an adjusting waist-shaped hole matched with the bolt is formed in the camera mounting piece; the camera assembly comprises a camera mounting piece, a camera component, a camera adjusting piece, a camera adjusting screw, a Z-direction adjusting block, a Z-direction adjusting screw and a camera adjusting screw, wherein the Z-direction adjusting block is fixedly connected onto the moving substrate, the Z-direction adjusting block is movably connected with the Z-direction adjusting block, the fine-adjustment screw is connected with the camera adjusting screw through an adjusting threaded hole in the camera mounting piece in a threaded manner, and the camera mounting piece is driven by the camera adjusting screw to move along the length direction parallel to the linear sliding rail.

Through adopting above-mentioned technical scheme, through the setting of fine setting screw with adjust the waist hole, the straightness that hangs down after the control camera installed part is installed and can follow vertical square and finely tune the height of camera installed part, improve camera module's regulation precision, and guarantee that camera module's installation angle is parallel rather than the direction of motion. The Z-axis driving assembly drives the movable substrate to slide along the length direction of the linear slide rail, so that the camera assembly is further ensured to move along the vertical direction, and the camera assembly is prevented from deflecting in the moving process.

As a further scheme of the utility model: the camera assembly comprises a camera and a lens matched with the camera, a camera rotating part is arranged between the camera and the camera mounting part, the camera is fixedly connected to the camera rotating part, four arc waist holes distributed around the circumference of a central shaft of the camera are formed in the camera rotating part, the camera rotating part is matched with the arc waist holes to be fixedly connected to the camera mounting part, and the camera can rotate around a shaft through the camera rotating part relative to the camera mounting part.

As a further scheme of the utility model: the camera mounting piece is provided with a semicircular groove, one side of the camera mounting piece is provided with a hoop matched with the semicircular groove, and the hoop is connected with the camera mounting piece through bolts to fasten the lens in the semicircular groove.

As a further scheme of the utility model: the movable base plate is provided with a limiting window, a limiting stop block limiting the movable height of the movable base plate is arranged in the limiting window, and the limiting stop block is fixedly connected to the mounting vertical plate.

As a further scheme of the utility model: the Z-axis driving assembly comprises a screw rod, a servo motor and a screw rod nut seat, wherein the screw rod is parallel to the length direction of the linear sliding rail, the servo motor is used for driving the screw rod to rotate, the screw rod nut seat is used for being in screw transmission with the screw rod, and the front end of the screw rod nut seat penetrates through an avoidance window on the installation vertical plate and is fixedly connected with the back of the movable substrate.

As a further scheme of the utility model: the camera comprises a camera component, a fixed vertical plate, a position sensor, a servo motor, a Z-axis light detection baffle, a position sensor and a servo motor, wherein the fixed vertical plate is fixedly connected with the position sensor, the Z-axis light detection baffle is matched with the position sensor and is fixedly connected with the movable substrate, and the servo motor controls the lifting height of the camera component according to the sensing result of the position sensor.

As a further scheme of the utility model: and a spectral confocal sensor is arranged on the bottom plate, and the servo motor regulates and controls the detection precision of the camera component according to the measurement result of the spectral confocal sensor.

As a further scheme of the utility model: the light spectrum confocal sensor is characterized in that a notch is formed in one side of the bottom plate, a first clamping block and a second clamping block which is detachably connected with the first clamping block are fixedly connected in the notch, semicircular clamping holes which can be mutually spliced to form circular clamping holes are symmetrically formed in the first clamping block and the second clamping block, and the light spectrum confocal sensor is clamped in the circular clamping holes.

As a further scheme of the utility model: the reinforcing plates are fixedly connected to the bottom plate and used for reinforcing the mounting vertical plates, and the reinforcing plates are arranged in parallel and are respectively located at two sides of the Z-axis driving assembly.

As a further scheme of the utility model: the Z-direction locking piece is fixedly connected to the bottom plate, and the movable substrate can be fixedly locked through the screw, so that the movable substrate is prevented from moving up and down in the transportation process.

The utility model has the beneficial effects that:

1. the camera component is convenient to vertically install through the fine adjustment screw, and the camera component moves along the length direction of the linear track when moving, so that the lens of the camera component is always horizontal in the moving process.

2. Through the arrangement of the arc waist holes, the camera rotating piece can rotate relative to the camera mounting piece, and the plane shooting angle of the camera on the horizontal plane can be finely adjusted.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is an exploded view of the overall structure of the present utility model;

FIG. 3 is a schematic view of the structure of the Z-axis drive assembly of the present utility model;

fig. 4 is a schematic structural view of the camera assembly of the present utility model.

In the figure, 1, a bottom plate; 2. installing a vertical plate; 3. a linear slide rail; 4. moving the substrate; 5. a slide block; 6. a Z-axis drive assembly; 61. a screw rod; 62. a servo motor; 63. a screw rod nut seat; 64. a transmission seat; 65. a coupling; 66. a bearing seat; 7. a camera assembly; 71. a camera; 72. a lens; 8. a camera mount; 81. adjusting the waist-shaped hole; 82. adjusting the threaded hole; 9. a Z-direction adjusting block; 10. fine tuning a screw; 11. a camera rotation member; 12. a hoop; 13. a avoidance window; 14. a limit stop; 15. a reinforcing plate; 16. a position sensor; 17. z-axis light detection baffle; 18. a spectral confocal sensor; 19. a first clamping block; 20. a second clamping block; 21. a Z-direction locking member; 22. a movable end sheet metal; 23. and (5) connecting a plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, the utility model discloses a miniLED visual inspection fixing and adjusting mechanism, which comprises a horizontally arranged bottom plate 1, wherein a vertically arranged installation vertical plate 2 is fixedly arranged on the bottom plate 1, two parallel linear sliding rails 3 arranged along the vertical direction are arranged on the front surface of the installation vertical plate 2, and the two linear sliding rails 3 are arranged at intervals left and right. The linear slide rail 3 is slidably connected with a movable substrate 4, wherein the movable substrate 4 is fixedly provided with two sliding blocks 5 which are respectively slidably connected with the two linear slide rails 3 through a side surface close to the linear slide rail 3.

Referring to fig. 2 and 3, the back of the mounting riser 2 is provided with a screw 61 disposed along the length direction of the linear slide rail 3, a servo motor 62 for driving the screw 61 to rotate, and a screw nut seat 63 screw-driven by the screw 61. The servo motor 62 is fixedly mounted on the back surface of the mounting riser 2 through a transmission seat 64, and a coupling 65 for connecting a drive shaft of the servo motor 62 with one end of the screw 61 is provided in the transmission seat 64. The other end of the screw rod 61 is provided with a bearing seat 66, the bearing seat 66 is fixedly arranged on the back surface of the mounting vertical plate 2, and the screw rod 61 is movably connected with the bearing seat 66 through a bearing, so that the screw rod 61 can be stably driven to rotate by the servo motor 62. The front end of the screw nut seat 63 passes through the avoidance window 13 on the mounting vertical plate 2 and is fixedly connected with the back surface of the movable substrate 4. The screw rod 61, the servo motor 62 and the screw rod nut seat 63 together form a Z-axis driving assembly 6 for driving the movable substrate 4 to slide up and down along the linear slide rail 3, wherein the servo motor 62 drives the screw rod 61 to rotate around a central shaft of the screw rod 61, so that the screw rod nut seat 63 moves along the length direction of the screw rod 61, and further the movable substrate 4 is driven to slide up and down along the linear slide rail 3, and the adjustment precision of the movable substrate 4 during movement is high and convenient to adjust.

The front of the movable substrate 4 is provided with a camera component 7 for visual detection through a camera mounting piece 8, the camera mounting piece 8 is connected with the movable substrate 4 through a bolt, an adjusting waist-shaped hole 81 matched with the bolt is formed in the camera mounting piece 8, and the long shaft of the adjusting waist-shaped hole 81 is arranged along the vertical direction. The Z-direction adjusting block 9,Z is fixedly connected to the movable base plate 4, and the fine adjusting screw 10 is movably connected to the Z-direction adjusting block 9 through a bearing, so that the fine adjusting screw 10 can rotate relative to the Z-direction adjusting block 9. The trimming screw 10 is arranged along the vertical direction, the trimming screw 10 is in threaded connection with the camera mounting piece 8 through an adjusting threaded hole 82, and the trimming screw 10 is rotated, so that the camera mounting piece 8 drives the camera assembly 7 to move along the length direction parallel to the linear sliding rail 3, and the height of the camera assembly 7 is trimmed along the vertical direction. Meanwhile, the camera assembly 7 is further conveniently installed along the vertical direction through the fine adjustment screw 10 and the adjustment waist-shaped hole 81, the installation angle of the camera assembly 7 is guaranteed to be parallel to the movement direction of the camera assembly 7, and each section of photo taken by the camera assembly 7 is perfectly connected when being spliced.

Referring to fig. 2 and 4, the camera assembly 7 includes a camera 71 and a lens 72 adapted to the camera 71, a camera rotating member 11 is disposed between the camera 71 and the camera mounting member 8, the head of the camera 71 is embedded in a middle hole of the camera rotating member 11, the periphery of the camera rotating member 11 is fixedly connected to the camera mounting member 8 through bolts, four arc waist holes 111 circumferentially distributed around a central axis of the camera 71 are formed in the camera rotating member 11, and the bolts and the arc waist holes 111 cooperate to fixedly connect the camera rotating member 11 to the camera mounting member 8. When the bolts are loosened, the camera rotating member 11 can be rotated around the center axis of the camera 71 with respect to the camera mounting member 8, and the angles in the circumferential direction of the camera 71 and the lens 72 can be finely adjusted to adjust the plane shooting angle of the camera 71 on the horizontal plane.

Be equipped with the semicircle inslot on the camera mounting 8, camera mounting 8 one side is equipped with staple bolt 12 that matches with the semicircle inslot, and camera 72 is located between semicircle inslot and the staple bolt, passes through bolted connection between staple bolt 12 and the camera mounting 8 and fastens camera 72 in the semicircle inslot, avoids servo motor 62 vibrations to cause the influence to camera 72.

Referring to fig. 1 and 2, a limit window 41 is provided in the middle of the moving substrate 4, a limit stop 14 is provided in the limit window 41, and the limit stop 14 is fixedly connected to the mounting riser 2 through a connecting seat. A moving section is arranged between the top wall and the bottom wall of the limit window 41 and the upper end surface and the lower end surface of the limit stop 14 respectively along the vertical direction, and when the upper end surface of the limit stop 14 is contacted with the top wall of the limit window 41, the lens 72 machine is moved to the maximum height; when the lower end surface of the limit stop 14 contacts with the bottom wall of the limit window 41, the lens 72 is moved to the minimum height, so that the lens 72 is prevented from being excessively lifted, and the use safety of the fixed adjustment mechanism is improved. Preferably, the positive stop 14 is made of antistatic polyurethane.

In this embodiment, the bottom plate 1 is provided with the reinforcing plate 15, and the reinforcing plate 15 is connected with the bottom plate 1 and the mounting riser 2 through two mutually perpendicular side edges respectively by bolts, so that the connecting strength between the mounting riser 2 and the bottom plate is reinforced by the reinforcing plate 15.

In this embodiment, a position sensor 16 is fixedly connected to the outer side surface of one of the reinforcing plates 15 through a light detection bracket, a Z-axis light detection baffle 17 adapted to the position sensor 16 is fixedly connected to the movable substrate 4, and the position sensor 16 is electrically connected to a servo motor 62, so that the servo motor 62 can control the start-stop height of the camera assembly according to the sensing result of the position sensor 16). In this embodiment, the position sensor 16 includes a home position sensor, an upper limit sensor and a lower limit sensor, so that the Z-axis optical detection baffle 17 moves to the sensing area of the upper limit sensor or the lower limit sensor, and the servo motor 62 stops working, thereby avoiding excessive operation of the servo motor 62 and preventing mutual interference between structures. After stopping the camera assembly 7, the servo motor 62 controls the Z-axis photo detection baffle 17 to move to the sensing area of the original sensor, so that the height of the lens 72 can be adjusted next time.

The spectral confocal sensor 18 is arranged on the base plate 1, so that the height of the lens 72 can be automatically adjusted by the servo motor 62 through the height measured by the spectral confocal sensor 18, and the adjustment of the height of the lens 72 is more accurate.

Further, a notch is formed in one side of the bottom plate 1, a first clamping block 19 and a second clamping block 20 detachably connected with the first clamping block 19 are fixedly connected in the notch, semicircular clamping holes capable of being mutually spliced to form circular clamping holes are symmetrically formed in the first clamping block 19 and the second clamping block 20, and the spectral confocal sensor 18 is clamped in the circular clamping holes. The two semicircular clamping holes are arranged along the vertical direction, and the spectral confocal sensor 18 is clamped and fixed on the bottom plate 1 by means of the first clamping block 19 and the second clamping block 20, so that the spectral confocal sensor 18 can be quickly installed to be arranged along the vertical direction.

The Z-direction locking piece 21 is fixedly connected to the bottom plate 1, the movable substrate 4 is fixedly connected with the Z-direction locking piece 21 through bolts, the Z-direction locking piece 21 is in an L shape, the Z-direction locking piece comprises a horizontal section fixedly connected with the bottom plate 1 and a vertical section fixedly connected with the movable substrate 4, a waist hole is formed in the vertical section, a threaded mounting hole corresponding to the waist hole is formed in the movable substrate 4, the vertical section is fixedly connected with the movable substrate 4 through bolts matched with the waist hole and the threaded mounting hole, and the movable substrate 4 is fixedly connected with the bottom plate 1 through the Z-direction locking piece 21. If the fixed adjusting mechanism is used for carrying, the movable substrate 4 is fixedly connected with the bottom plate 1 through the Z-direction locking piece 21, so that the lens 72 can be prevented from being knocked due to the fact that the movable substrate 4 slides along the linear slide rail 3; when the fixed adjusting mechanism is used, the unscrewing bolt is released, and the fixation between the Z-direction locking piece 21 and the movable substrate 4 is released, so that the device is convenient and quick.

In this embodiment, the fixed adjustment mechanism further includes a movable end metal plate 22 vertically and fixedly connected to the bottom plate 1 and disposed on one side of the mounting riser 2, the z-axis driving assembly 6 is located between the mounting riser 2 and the movable end metal plate 22, and two sides of the movable end metal plate 22 are fixedly connected with the corresponding reinforcing plates 15 through a connecting plate 23 respectively, so that the bottom plate 1, the mounting riser 2 and the movable end metal plate 22 have a strong connection strength, and the integral movement of the fixed adjustment mechanism is facilitated.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The utility model provides a fixed guiding mechanism of miniLED vision inspection, its characterized in that, includes bottom plate (1), fixedly connected with installs riser (2) on bottom plate (1), install riser (2) openly and be equipped with along straight line slide rail (3) and sliding connection that vertical direction set up remove base plate (4) on straight line slide rail (3), install riser (2) back-mounted have the drive remove base plate (4) along Z axle drive assembly (6) that straight line slide rail (3) length direction slided, remove base plate (4) openly and install camera subassembly (7) that are used for visual inspection through camera installed piece (8);

the camera mounting piece (8) is connected with the movable substrate (4) through a bolt, and an adjusting waist-shaped hole (81) matched with the bolt is formed in the camera mounting piece (8); the camera module comprises a camera mounting piece (8), a camera component (7) and a movable base plate (4), wherein the movable base plate is fixedly connected with a Z-direction adjusting block (9), a fine adjusting screw (10) is movably connected to the Z-direction adjusting block (9), the fine adjusting screw (10) is connected with the camera mounting piece through an adjusting threaded hole (82) in the camera mounting piece (8) in a threaded mode, and the camera mounting piece (8) is driven by the fine adjusting screw (10) to move along the length direction parallel to the linear sliding rail (3).

2. The miniLED visual inspection fixed adjustment mechanism according to claim 1, characterized in that the camera assembly (7) comprises a camera (71) and a lens (72) adapted to the camera (71), a camera rotating member (11) is arranged between the camera (71) and the camera mounting member (8), the camera (71) is fixedly connected to the camera rotating member (11), four arc waist holes (111) distributed around the central axis circumference of the camera (71) are formed in the camera rotating member (11), the camera rotating member (11) is fixedly connected to the camera mounting member (8) by matching bolts with the arc waist holes (111), and the camera (71) can rotate around the camera mounting member (8) through the camera rotating member (11).

3. The miniLED visual inspection fixed adjustment mechanism according to claim 2, characterized in that a semicircular groove is formed in the camera mounting member (8), a hoop (12) matched with the semicircular groove is arranged on one side of the camera mounting member (8), and the lens (72) is fastened in the semicircular groove through bolt connection between the hoop (12) and the camera mounting member (8).

4. The minisize LED visual inspection fixed adjustment mechanism according to claim 1, characterized in that a limit window (41) is formed on the movable base plate (4), a limit stop (14) for limiting the movable height of the movable base plate (4) is arranged in the limit window (41), and the limit stop (14) is fixedly connected to the mounting vertical plate (2).

5. The miniLED visual inspection fixed adjustment mechanism according to claim 1, characterized in that the Z-axis driving assembly (6) comprises a screw rod (61) parallel to the length direction of the linear sliding rail (3), a servo motor (62) driving the screw rod (61) to rotate, and a screw nut seat (63) spirally driven by the screw rod (61), wherein the front end of the screw nut seat (63) penetrates through an avoidance window on the mounting vertical plate (2) and is fixedly connected with the back of the movable substrate (4).

6. The minisize LED visual inspection fixed adjustment mechanism according to claim 5, characterized in that a position sensor (16) is fixedly connected to the fixed vertical plate, a Z-axis light inspection baffle (17) matched with the position sensor (16) is fixedly connected to the movable substrate (4), and the servo motor (62) controls the lifting height of the camera assembly (7) according to the sensing result of the position sensor (16).

7. The minisize LED visual inspection fixed adjusting mechanism according to claim 5, characterized in that a spectral confocal sensor (18) is arranged on the base plate (1), and the servo motor (62) regulates the inspection precision of the camera component (7) according to the measurement result of the spectral confocal sensor (18).

8. The minisize LED visual inspection fixing and adjusting mechanism according to claim 7, characterized in that a notch is arranged on one side of the base plate (1), a first clamping block (19) and a second clamping block (20) detachably connected with the first clamping block (19) are fixedly connected in the notch, semicircular clamping holes capable of being mutually spliced to form circular clamping holes are symmetrically arranged on the first clamping block (19) and the second clamping block (20), and the spectral confocal sensor (18) is clamped in the circular clamping holes.

9. The miniLED vision inspection fixing and adjusting mechanism according to claim 1, wherein a reinforcing plate (15) for reinforcing the mounting vertical plate (2) is fixedly connected to the bottom plate (1), and the reinforcing plate (15) is provided with two reinforcing plates in parallel and is respectively located at two sides of the Z-axis driving assembly (6).

10. The minisize LED visual inspection fixing and adjusting mechanism according to claim 1, wherein a Z-direction locking piece (21) is fixedly connected to the bottom plate (1), and the movable substrate (4) can be fixedly locked on the Z-direction locking piece (21) through screws.