Fixing device for detecting defects of keyboard carbon strip

By designing a detection device for the keyboard's fixing components and the imaging components, the problem of carbon strips on the PCB board shifting and being damaged during the detection process was solved, achieving stable clamping and efficient detection of the carbon strips.

CN223727703UActive Publication Date: 2025-12-26SUZHOU FEIXUNXIN INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422941497.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-30
Publication Date
2025-12-26
Estimated Expiration
2034-11-30

AI Technical Summary

Technical Problem

During keyboard production, the carbon strips on the PCB board are easily displaced by external forces during testing, affecting the testing results and potentially causing them to be damaged by friction.

Method used

A detection device including a fixing component and a shooting component was designed. The fixing component uses a motor to drive a screw to clamp the PCB board with a clamping plate. The shooting component uses an industrial camera and a supplementary light to detect carbon strips, ensuring that the carbon strips do not shift during the detection process and taking supplementary light photos.

Benefits of technology

It effectively fixes the PCB board, preventing the carbon strip from shifting or being damaged during the testing process, thus ensuring the accuracy and integrity of the test.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fixing device for detecting the defects of a keyboard carbon strip, which comprises a moving assembly, a fixing assembly and a shooting assembly, the fixing assembly is arranged on the moving assembly and is used for clamping, fixing and limiting the keyboard carbon strip, and the shooting assembly is arranged on the moving assembly and is used for shooting and detecting the keyboard carbon strip. The fixing assembly comprises a connecting plate, a placing plate, two vertical plates, a C-shaped plate, a screw rod, a motor, two moving plates, two clamping plates and a limiting assembly, the connecting plate is arranged on the moving assembly, the placing plate is arranged on one side of the connecting plate, the two vertical plates are fixedly installed on the outer wall of one side of the placing plate, and the C-shaped plate is arranged on the outer wall of the other side of the placing plate. And the C-shaped plate is fixedly mounted between the two vertical plates. The fixing device for detecting the defects of the carbon strip of the keyboard, provided by the utility model, has the advantages that the PCB of the keyboard is fixed and clamped, and the influence on detection due to deviation during detection and the damage caused by scratching the carbon strip due to deviation are prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of keyboard, concretely relates to a fixing device for keyboard carbon strip defect detection. BACKGROUND

[0002] Keyboard is a kind of instruction and data input device for operating computer equipment, also refers to the group of function keys arranged to operate a machine or equipment, keyboard is also a part of keyboard musical instrument, can also refer to the musical instrument using keyboard, such as piano, digital piano or electronic organ etc., keyboard helps to practice typing, keyboard is the most commonly used and the most important input device, through keyboard, English alphabet, Chinese character, number, punctuation mark etc. can be input to computer, to send command to computer, input data etc. There are also some keyboards with various shortcut keys. With the passage of time, gradually, the product with various shortcut functions is sold separately in the market, and with special drive and setting software, individualized operation can be realized on compatible machine.

[0003] However, in the prior art, during keyboard production, carbon strips are arranged on the PCB board in the keyboard, and the PCB board and the carbon strips need to be detected after production, but the carbon strips are relatively small, and during detection of the PCB board and the carbon strips, the carbon strips are easily offset due to external touch, affecting detection, and when offset, the carbon strips are easily scratched due to external friction, causing damage to the carbon strips. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a fixing device for keyboard carbon strip defect detection, which has the advantages of fixing and clamping the PCB board of keyboard, preventing offset during detection, affecting detection and causing damage to the carbon strips due to offset, to solve the problems in the background art.

[0005] In order to achieve the above object, the utility model provides following technical scheme: a kind of keyboard carbon strip defect detection fixing device, including moving assembly, fixed component and shooting component, the fixed component is arranged on moving assembly for clamping and fixing and limiting to keyboard carbon strip, the shooting component is arranged on moving assembly for shooting detection to keyboard carbon strip, the fixed component includes connecting plate, placement plate, two vertical boards, C-shaped plate, screw rod, motor, two moving plates, two clamping plates and limiting component, the connecting plate is arranged on moving assembly, the placement plate is arranged on the side of connecting plate, two the vertical board is fixedly installed on the side outer wall of placement plate, the C-shaped plate is fixedly installed between two vertical boards, the screw rod is rotatably installed on two vertical boards, the motor is fixedly installed on the side outer wall of corresponding vertical board, the output shaft of motor is fixedly connected with one end of screw rod, two the moving plate is screwably installed on screw rod, two the clamping plate is fixedly installed on the side outer wall of two moving plates respectively, the limiting component is arranged on the top of placement plate.

[0006] Further, two round holes are formed in the outer wall of the side of the connecting plate, and a magnetic block one is fixedly installed on the inner wall of each of the two round holes.

[0007] Further, an extension groove is formed in the top of the connecting plate.

[0008] Further, the moving assembly comprises an upper electric sliding rail, a connecting electric sliding rail and a lower electric sliding rail, the connecting electric sliding rail is slidably installed on the upper electric sliding rail, the lower electric sliding rail is arranged below the connecting electric sliding rail, and the connecting plate is slidably installed on the lower electric sliding rail.

[0009] Further, the limiting component comprises a limiting plate, two support plates, a round rod, a pressing plate and two torsion springs, the limiting plate is fixedly installed on the top of the placement plate, the two support plates are fixedly installed on the outer wall of the limiting plate, the round rod is rotatably installed on the two support plates, the pressing plate is fixedly sleeved on the round rod, the two torsion springs are fixedly installed on the pressing plate, and the ends of the two torsion springs, which are away from each other, are fixedly connected with the two support plates respectively.

[0010] Further, the shooting component comprises two fixed plates, two industrial cameras, two camera fill light lamps, two air cylinders and an acrylic plate, the two fixed plates are slidably installed on the connecting electric sliding rail, the two industrial cameras are fixedly installed on the two fixed plates respectively, the two camera fill light lamps are fixedly installed on the side outer wall of the two fixed plates respectively, the two air cylinders are fixedly installed on the side outer wall of the two fixed plates respectively, and the acrylic plate is fixedly installed on the output end of the two air cylinders.

[0011] Therefore, the keyboard PCB plate fixing device has the advantages that the keyboard PCB plate is fixed and clamped, the keyboard PCB plate is placed in the detection, the offset influence detection and the offset lead to scratch the carbon strip to cause the damage are avoided, the keyboard PCB plate is fixed and clamped, the keyboard PCB plate is placed in the detection, the offset influence detection and the offset lead to scratch the carbon strip to cause the damage are avoided, and the like.

[0012] The utility model discloses a fixing assembly is set up, and the motor is started, and the motor drives the rotation of screw rod, and the rotation of screw rod drives the movement of movable plate, and movable plate moves in C -shaped plate and draws close to the center, and movable plate drives the movement of clamping plate, and clamping plate moves and contacts with the PCB board of keyboard and clamps and fixes it, after completing the fixation of the PCB board of keyboard, holds up the placement plate, and the placement plate is aligned with the connecting plate and is inserted, and at this time, the placement is fixed, has the advantage that the PCB board of keyboard is fixed and clamped, and the offset influence detection and the offset lead to scratch the carbon strip to cause the damage are avoided when placing in the detection.

[0013] The utility model discloses a fixing assembly is set up, and the motor is started, and the motor drives the rotation of screw rod, and the rotation of screw rod drives the movement of movable plate, and movable plate moves in C -shaped plate and draws close to the center, and movable plate drives the movement of clamping plate, and clamping plate moves and contacts with the PCB board of keyboard and clamps and fixes it, after completing the fixation of the PCB board of keyboard, holds up the placement plate, and the placement plate is aligned with the connecting plate and is inserted, and at this time, the placement is fixed, has the advantage that the PCB board of keyboard is fixed and clamped, and the offset influence detection and the offset lead to scratch the carbon strip to cause the damage are avoided when placing in the detection. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is whole structural schematic diagram for the utility model discloses a kind of keyboard carbon strip defect detection fixing device;

[0015] Figure 2 It is main view structural schematic diagram for the utility model discloses a kind of keyboard carbon strip defect detection fixing device;

[0016] Figure 3 It is sectional view structural schematic diagram for the utility model discloses in fixed assembly;

[0017] Figure 4 It is assembly structural schematic diagram for the utility model discloses in fixed assembly.

[0018] In the figure: 1, moving assembly; 101, upper electric slide rail; 102, connecting electric slide rail; 103, lower electric slide rail; 2, fixed assembly; 201, connecting plate; 202, placing plate; 203, vertical plate; 204, C-shaped plate; 205, screw rod; 206, motor; 207, moving plate; 208, clamping plate; 209, limiting plate; 210, supporting plate; 211, round rod; 212, pressing plate; 213, torsional spring; 3, shooting assembly; 301, fixed plate; 302, industrial camera; 303, camera light supplementing lamp; 304, air cylinder; 305, acrylic plate. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] The present application provides Figures 1-4As shown, a fixing device for detecting defects in keyboard carbon strips includes a moving component 1, a fixing component 2, and a shooting component 3. The fixing component 2 is mounted on the moving component 1 to clamp, fix, and limit the position of the keyboard carbon strip. The shooting component 3 is mounted on the moving component 1 to shoot and detect the keyboard carbon strip. The fixing component 2 includes a connecting plate 201, a placement plate 202, two upright plates 203, a C-shaped plate 204, a screw 205, a motor 206, two moving plates 207, two clamping plates 208, and a limiting component. The connecting plate 201 is mounted on the moving component 1, the placement plate 202 is mounted on one side of the connecting plate 201, the two upright plates 203 are fixedly mounted on the outer wall of one side of the placement plate 202, the C-shaped plate 204 is fixedly mounted between the two upright plates 203, the screw 205 is rotatably mounted on the two upright plates 203, and the motor 206 is fixedly mounted on the outer wall of one side of the corresponding upright plate 203. Above, the output shaft of the motor 206 is fixedly connected to one end of the screw 205. Both moving plates 207 are threaded onto the screw 205. The two clamping plates 208 are respectively fixedly installed on one side of the outer wall of the two moving plates 207. The limiting component is set on the top of the placement plate 202. More specifically, when the motor 206 is started, the motor 206 drives the screw 205 to rotate. The screw 205 rotates and drives the moving plates 207 to move. The moving plates 207 move within the C-shaped plate 204 and move towards the center. The moving plates 207 drive the clamping plates 208 to move. The clamping plates 208 move and contact the PCB board of the keyboard and clamp and fix it. After the PCB board of the keyboard is fixed, the placement plate 202 is picked up, aligned with the connecting plate 201 and inserted. At this time, the placement and fixing are completed. It has the advantages of fixing and clamping the PCB board of the keyboard, and preventing the offset from affecting the detection and causing damage to the carbon strip due to offset during the detection.

[0021] In addition, two circular holes are opened on one side of the outer wall of the connecting plate 201, and a magnetic block 1 is fixedly installed on the inner wall of each of the two circular holes. Two docking rods are fixedly installed on one side of the outer wall of the placement plate 202, and a magnetic block 2 is fixedly installed on each of the two docking rods. The circular holes are adapted to the docking rods, and the magnetic block 1 and magnetic block 2 attract each other.

[0022] In addition, the top of the connecting plate 201 is provided with an extension groove.

[0023] like Figure 1 As shown, the moving component 1 includes an upper electric slide rail 101, a connecting electric slide rail 102, and a lower electric slide rail 103. The connecting electric slide rail 102 is slidably mounted on the upper electric slide rail 101, and the lower electric slide rail 103 is disposed below the connecting electric slide rail 102. The connecting plate 201 is slidably mounted on the lower electric slide rail 103.

[0024] In addition, the limiting assembly comprises a limiting plate 209, two supporting plates 210, a round rod 211, a pressing plate 212 and two torsional springs 213, the limiting plate 209 is fixedly installed at the top of the placing plate 202, the two supporting plates 210 are both fixedly installed on the outer walls of the limiting plate 209, the round rod 211 is rotatably installed on the two supporting plates 210, the pressing plate 212 is fixedly sleeved on the round rod 211, the two torsional springs 213 are both fixedly installed on the pressing plate 212, and the two torsional springs 213 are both fixedly connected with the two supporting plates 210 at the ends away from each other, more specifically, the pressing plate 212 is actuated, the pressing plate 212 is overturned and drives the round rod 211 to rotate, the pressing plate 212 is twisted while rotating, the torsional spring 213 is deformed and accumulates elastic force under the torsion, and the pressing plate 212 is rotated to be flush with the limiting plate 209, at the moment, the PCB plate of the keyboard is placed on the placing plate 202 and abuts against the limiting plate 209, the pressing plate 212 is released, the torsional spring 213 releases the elastic force under the loss of the torsion and drives the pressing plate 212 to rotate and reset, and the pressing plate 212 presses and fixes the PCB plate of the keyboard, thereby achieving the advantages that the PCB plate of the keyboard is limited and positioned, and the carbon strip is not scraped when being placed and clamped.

[0025] As shown in the Figure 1 In some embodiments, the shooting assembly 3 comprises two fixed plates 301, two industrial cameras 302, two camera fill lights 303, two air cylinders 304 and an acrylic plate 305, the two fixed plates 301 are both slidably installed on the connecting electric slide rails 102, the two industrial cameras 302 are both fixedly installed on the two fixed plates 301, the two camera fill lights 303 are both fixedly installed on the outer walls of the two fixed plates 301, the two air cylinders 304 are both fixedly installed on the outer walls of the two fixed plates 301, and the acrylic plate 305 is fixedly installed on the output ends of the two air cylinders 304, more specifically, the connecting electric slide rails 102 are started, the connecting electric slide rails 102 drive the fixed plates 301 to move, the fixed plates 301 drive the acrylic plate 305 to move above the PCB plate of the keyboard, the connecting electric slide rails 102 are stopped, the air cylinders 304 are started, the air cylinders 304 push the acrylic plate 305 to move, the acrylic plate 305 moves and adheres to and presses the PCB plate of the keyboard, the industrial cameras 302 and the camera fill lights 303 are started, the camera fill lights 303 irradiate the PCB plate of the keyboard with supplementary light, the industrial cameras 302 shoot the carbon strip of the PCB plate of the keyboard, the shot photos are enlarged and displayed on the external display, the carbon strip is observed and detected, and the advantages that the carbon strip on the PCB plate of the keyboard is supplemented with light and shot, and the carbon strip is detected are achieved.

[0026] Working principle:

[0027] Step one: place fixed, dial the pressing plate 212, the pressing plate 212 flips and drives the round bar 211 rotation, the pressing plate 212 rotates while torsion spring 213 is twisted, the torsion spring 213 is twisted to generate deformation and accumulate elastic force, the pressing plate 212 rotates to flush with the limit plate 209, at this time the PCB board of the keyboard is placed on the placing plate 202 and is placed on the limit plate 209, the pressing plate 212 is released, the torsion spring 213 loses the torsion and releases the elastic force to drive the pressing plate 212 to rotate and reset, the pressing plate 212 presses the PCB board of the keyboard to fix, the motor 206 is started, the motor 206 drives the screw rod 205 to rotate, the screw rod 205 rotates and drives the moving plate 207 to move, the moving plate 207 moves in the C-shaped plate 204 and moves to the center, the moving plate 207 drives the clamping plate 208 to move, the clamping plate 208 moves and contacts with the PCB board of the keyboard and clamps and fixes it, after completing the fixation of the PCB board of the keyboard, the placing plate 202 is lifted, the placing plate 202 is aligned with the connecting plate 201 and is inserted, at this time the placing and fixing are completed.

[0028] Step two: press and shoot, start the connecting electric slide rail 102, the connecting electric slide rail 102 drives the fixed plate 301 to move, the fixed plate 301 drives the acrylic plate 305 to move above the PCB board of the keyboard, stop the connecting electric slide rail 102, start the air cylinder 304, the air cylinder 304 drives the acrylic plate 305 to move, the acrylic plate 305 moves and is attached to and presses the PCB board of the keyboard, start the industrial camera 302 and the camera fill light 303, the PCB board of the keyboard is irradiated by the camera fill light 303, the carbon strip of the PCB board of the keyboard is shot by the industrial camera 302, the shot photo is enlarged and displayed by the external display, and the carbon strip is observed and detected.

[0029] The above describes only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

[0030] It should be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

Claims

1. A fixture for keyboard carbon track defect detection, characterized by: The utility model provides a keyboard carbon strip detection device, including mobile component, fixed component and photographing component, the fixed component sets up on mobile component for clamping and fixing and limiting to keyboard carbon strip, photographing component sets up on mobile component for keyboard carbon strip carries out the shooting detection, fixed component includes connecting plate, placement board, two riser, C -shaped board, screw rod, motor, two moving plate, two clamping plate and limiting component, the connecting plate sets up on mobile component, the placement board sets up in one side of connecting plate, two the riser is fixedly installed on one side outer wall of placement board, C -shaped board is fixedly installed between two riser, screw rod is rotatably installed on two riser, the motor is fixedly installed on one side outer wall of corresponding riser, the output shaft of motor is fixedly connected with one end of screw rod, two the moving plate is screw -threadedly installed on screw rod, two the clamping plate is fixedly installed on one side outer wall of two moving plate respectively, limiting component sets up at the top of placement board.

2. The fixture for keyboard carbon track defect detection of claim 1, wherein: Two round holes are formed in the outer wall of one side of the connecting plate, and a magnetic block one is fixedly installed on the inner wall of each of the two round holes, two butt rods are fixedly installed on the outer wall of one side of the placement board, and a magnetic block two is fixedly installed on each of the two butt rods, the round hole is matched with the butt rod, and the magnetic block one and the magnetic block two are attracted to each other.

3. The fixture for keyboard carbon track defect detection of claim 2, wherein: An extension groove is formed in the top of the connecting plate.

4. The fixture for keyboard carbon track defect detection of claim 1, wherein: The mobile component includes an upper electric sliding rail, a connecting electric sliding rail and a lower electric sliding rail, the connecting electric sliding rail is slidably installed on the upper electric sliding rail, and the lower electric sliding rail is arranged below the connecting electric sliding rail.

5. The fixture for keyboard carbon track defect detection of claim 1, wherein: The limiting component includes a limiting plate, two supporting plates, a round rod, a pressing plate and two torsion springs, the limiting plate is fixedly installed on the top of the placement board, the two supporting plates are fixedly installed on the outer wall of the limiting plate, the round rod is rotatably installed on the two supporting plates, the pressing plate is fixedly sleeved on the round rod, the two torsion springs are fixedly installed on the pressing plate, and the ends of the two torsion springs away from each other are fixedly connected with the two supporting plates respectively.

6. The fixture for keyboard carbon track defect detection of claim 4, wherein: The photographing component includes two fixed plates, two industrial cameras, two camera fill light, two cylinders and an acrylic plate, the two fixed plates are slidably installed on the connecting electric sliding rail, the two industrial cameras are fixedly installed on the two fixed plates respectively, the two camera fill light are fixedly installed on the outer wall of one side of the two fixed plates respectively, the two cylinders are fixedly installed on the outer wall of one side of the two fixed plates respectively, and the acrylic plate is fixedly installed on the output end of the two cylinders.