CN214277954U - Keyboard key assembly on-line detection equipment - Google Patents

Abstract

The utility model discloses an online check out test set of keyboard button equipment, it relates to the check out test set field. The technical scheme is that the device comprises a rack, wherein a conveying area is formed on the side surface of the rack; a support plate penetrating through the conveying area is arranged on the rack, a horizontal moving module is arranged on the support plate, and a backlight platform for bearing a piece to be tested is arranged on the horizontal moving module; and a detection unit positioned above the conveying area is arranged in the rack and comprises a linear array camera module. The utility model discloses can improve the detection effect, discover the defective products more easily to effectively improve the yields of keyboard equipment.

Description

Keyboard key assembly on-line detection equipment

Technical Field

The utility model relates to a check out test set field, more specifically say, it relates to a keyboard button equipment on-line measuring equipment.

Background

At present, most manufacturing processes of electronic factories are changed into automatic equipment production, wherein the keyboard key assembly is also changed from traditional manual operation into automatic assembly. The keyboard is assembled by adopting mechanical strong pressing type for the key scissors feet, the key caps and the like, and the assembled keyboard has the defects of deformation of the clamping hooks of the bottom plate, root breakage of the plastic scissors feet or damage of the key silica gel caps and the like.

In order to improve the yields of product, need detect the good product of equipment, but above-mentioned bad defect is difficult discernment through artifical visual, so there is the enterprise to adopt the area array camera to shoot the product and detect now, but because precision and light source scheduling problem lead to detection effect not good.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a keyboard button equipment is online check out test set, it can improve the detection effect, discovers the defective products more easily to effectively improve the yields of keyboard equipment.

In order to achieve the above purpose, the utility model provides a following technical scheme:

an on-line detection device for keyboard key assembly comprises a rack, wherein a conveying area is formed on the side surface of the rack; a support plate penetrating through the conveying area is arranged on the rack, a horizontal moving module is arranged on the support plate, and a backlight platform for bearing a piece to be tested is arranged on the horizontal moving module; and a detection unit positioned above the conveying area is arranged in the rack and comprises a linear array camera module.

Furthermore, the backlight carrier sequentially comprises a fixed bottom plate, a backlight plate and a transparent carrier plate from bottom to top.

Furthermore, the backlight carrier also comprises four fixed top corners connected with the fixed bottom plate, the fixed top corners are matched with the fixed bottom plate to clamp the backlight plate, and positioning grooves matched with the transparent carrier plate are formed among the four fixed top corners.

Furthermore, a plurality of limiting pins in contact with the side edge of the keyboard are arranged on the transparent carrier plate.

Furthermore, a positioning pin penetrating through the keyboard is arranged on the transparent carrier plate.

Furthermore, the side edge of the transparent carrier plate is provided with a notch.

Furthermore, the inner side wall of the fixed vertex angle is provided with a limit clamping groove matched with the fixed bottom plate.

Furthermore, the detection unit also comprises a tunnel light source positioned below the linear array camera module.

Further, the tunnel light source and the backlight plate are both blue light sources.

Furthermore, an adjusting support is arranged on the rack, and a display screen is arranged on the adjusting support.

To sum up, the utility model discloses following beneficial effect has:

1. the linear array camera module and the upper and lower light sources are matched to take pictures of the piece to be detected, the detection effect is better for the bad defects such as deformation of a bottom plate hook, breakage of a plastic scissor foot or damage of a key silica gel cap, and the bad products are more easily found and taken out, so that the yield is effectively controlled;

2. the equipment can be matched with the existing production line, so that the equipment is convenient to add on the production line, and the online detection of products is realized;

3. the equipment can also detect the printing fonts, flat cables, gaps of the keycaps and the like by utilizing the linear array camera module, replaces the linear array camera module with the laser module, and can also detect the height of the keycaps.

Drawings

FIG. 1 is a first schematic structural diagram of an on-line detection apparatus for assembling keyboard keys in an embodiment;

FIG. 2 is a schematic structural diagram of an on-line detection apparatus assembled with keyboard keys in an embodiment;

FIG. 3 is a first schematic structural diagram of a backlight carrier in the embodiment;

fig. 4 is a second schematic structural diagram of the backlight carrier in the embodiment.

In the figure: 1. a frame; 2. a support plate; 3. a horizontal moving module; 4. a backlight stage; 41. fixing a top angle; 411. a limiting clamping groove; 42. fixing the bottom plate; 43. a backlight plate; 44. a transparent carrier plate; 441. a spacing pin; 442. positioning pins; 443. a gap is avoided; 5. a control button; 61. a line scan camera module; 62. a camera mount; 63. a tunnel light source; 7. a display screen; 71. and adjusting the bracket.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Example (b):

an on-line detection device for keyboard key assembly, referring to fig. 1 and 2, comprises a frame 1, wherein a transmission area is formed on the side surface of the frame 1; a support plate 2 penetrating through the conveying area is arranged on the rack 1, a horizontal moving module 3 is arranged on the support plate 2, and a backlight platform 4 for bearing a piece to be tested is arranged on the horizontal moving module 3; the horizontal moving module 3 in this embodiment is the prior art, and a linear guide rail sliding table module may be specifically adopted, which is not described herein again; a detection unit positioned above the transmission area is arranged in the rack 1, the detection unit comprises a linear array camera module 61, and in other optional embodiments, a laser module can be used for replacing the linear array camera module 61 to realize different detection functions; the conveying area in the embodiment is an inwards concave space for the supporting plate 2 to pass through formed on the side surface of the rack 1, and the conveying area is opposite to the existing production line during equipment installation, and the installation and debugging of each component (including the horizontal moving module 3 and the like) can be facilitated by adopting the structural form of the inwards concave space; placing a piece to be detected on a backlight carrier 4, controlling the backlight carrier 4 to move by a horizontal moving module 3, and scanning and photographing the piece to be detected by a linear array camera module 61 in the moving process of the backlight carrier 4 so as to detect whether the piece to be detected has a bad defect; the linear array camera module 61 can improve the photographing effect, so that bad defects can be accurately identified, and the yield can be effectively controlled.

Referring to fig. 1, 3 and 4, the backlight carrier 4 sequentially includes a fixed bottom plate 42, a backlight plate 43 and a transparent carrier plate 44 from bottom to top, wherein the fixed bottom plate 42 is installed on a sliding table of the horizontal moving module 3; in this embodiment, backlight stage 4 further includes four fixed vertex angles 41 connected to fixed bottom plate 42, where fixed vertex angles 41 cooperate with fixed bottom plate 42 to clamp backlight board 43 therebetween, and positioning grooves cooperating with transparent carrier plate 44 are formed between four fixed vertex angles 41; in this embodiment, the fixed vertex angle 41 is connected with the fixed bottom plate 42 by a screw, and a limit slot 411 matched with the fixed bottom plate 42 is arranged on the inner side wall of the fixed vertex angle 41, so that the stability of the backlight carrier 4 can be improved; specifically, a waist-shaped hole for a screw to pass through is formed in the fixed vertex angle 41, and a plurality of threaded holes matched with the screw are formed in the side wall of the fixed bottom plate 42, so that the relative position of the fixed vertex angle 41 and the fixed bottom plate 42 can be adjusted to adapt to transparent carrier plates 44 of different specifications.

Referring to fig. 1 to 4, the transparent carrier 44 is provided with a plurality of limiting pins 441 contacting with the side edges of the keyboard, in this embodiment, the transparent carrier 44 is provided with six limiting pins 441 for limiting three side edges of the keyboard respectively; meanwhile, the transparent carrier plate 44 is provided with a positioning pin 442 penetrating through the keyboard, and in the embodiment, the transparent carrier plate 44 is provided with two positioning pins 442, so that the positioning pins 442 and the limiting pins 441 are matched to limit the keyboard in the horizontal direction, thereby preventing the keyboard from moving, and improving the detection effect; in the embodiment, two ends of the horizontal moving module 3 protrude out of the rack 1, one end of the horizontal moving module is used for feeding, and the other end of the horizontal moving module is used for discharging; in the embodiment, the two ends of the supporting plate 2 are provided with the control buttons 5, so that the operation is convenient; the side edge of the transparent carrier plate 44 is provided with a yielding notch 443, and the keyboard can be conveniently taken through the yielding notch 443, so that the working efficiency is improved.

Referring to fig. 1 to 3, the detection unit further includes a tunnel light source 63 located below the line camera module 61, and the line camera module 61 is connected to the frame 1 through a camera support 62, where the line camera module 61 includes a line camera and a telecentric lens in this embodiment; in the embodiment, the tunnel light source 63 and the backlight plate 43 are preferably blue light sources, and for keys on the keyboard, blue light can achieve a better photographing effect; of course, in other alternative embodiments, other color light sources, such as white light, may be used, and are not limited herein; when the device is applied to a production line, in order to avoid that a light source on the production line affects the detection, a light-shielding curtain (not shown in the drawing) can be arranged on the machine frame 1 to block the conveying area from the opening of the production line.

Referring to fig. 1 and 2, an adjusting bracket 71 is arranged on the frame 1, a display screen 7 is arranged on the adjusting bracket 71, and the photographing result can be conveniently observed through the display screen 7; in this embodiment, four universal wheels (not shown in the drawings) are further provided at the bottom end of the frame 1, thereby facilitating the movement of the device.

Claims (10)

1. The utility model provides an online check out test set of keyboard button equipment which characterized in that: the device comprises a rack, wherein a conveying area is formed on the side surface of the rack; a support plate penetrating through the conveying area is arranged on the rack, a horizontal moving module is arranged on the support plate, and a backlight platform for bearing a piece to be tested is arranged on the horizontal moving module; and a detection unit positioned above the conveying area is arranged in the rack and comprises a linear array camera module.

2. The keyboard key assembly on-line detection apparatus of claim 1, wherein: the backlight carrier sequentially comprises a fixed bottom plate, a backlight plate and a transparent carrier plate from bottom to top.

3. The keyboard key assembly on-line detection apparatus of claim 2, wherein: the backlight carrier also comprises four fixed vertex angles connected with the fixed bottom plate, the fixed vertex angles are matched with the fixed bottom plate to clamp the backlight plate, and positioning grooves matched with the transparent carrier plate are formed among the four fixed vertex angles.

4. The keyboard key assembly on-line detection apparatus of claim 2, wherein: and a plurality of limiting pins in contact with the side edge of the keyboard are arranged on the transparent carrier plate.

5. The keyboard key assembly on-line detection apparatus of claim 4, wherein: and the transparent carrier plate is provided with a positioning pin penetrating through the keyboard.

6. The keyboard key assembly on-line detection apparatus of claim 2, wherein: and a notch is formed in the side edge of the transparent carrier plate.

7. The keyboard key assembly on-line detection apparatus of claim 3, wherein: the inner side wall of the fixed vertex angle is provided with a limiting clamping groove matched with the fixed bottom plate.

8. The keyboard key assembly on-line detection apparatus of claim 1, wherein: the detection unit further comprises a tunnel light source located below the linear array camera module.

9. The keyboard key assembly on-line detection apparatus of claim 8, wherein: the tunnel light source and the backlight plate are both blue light sources.

10. The keyboard key assembly on-line detection apparatus of claim 1, wherein: the frame is provided with an adjusting support, and the adjusting support is provided with a display screen.

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