CN210293655U

CN210293655U - High-universality keycap drawing testing device

Info

Publication number: CN210293655U
Application number: CN201921536689.4U
Authority: CN
Inventors: 刘利刚; 蒋海军
Original assignee: Kunshan Hongzhixi Automation Equipment Co
Current assignee: Kunshan Hongzhixi Automation Equipment Co
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-04-10
Anticipated expiration: 2029-09-16
Also published as: CN211262676U

Abstract

The utility model discloses a key cap drawing test device that commonality is high, it includes the support frame, sets up a plurality of key caps on the support frame are drawn mechanism and are set up the pressing mechanism on the support frame of pushing down the keyboard surface, pressing mechanism includes drive unit, receives the drive unit drive carries out the gyro wheel that compresses tightly of up-and-down motion. The utility model discloses can be applicable to the test of drawing of key cap on the multiple type keyboard, and the measuring accuracy is high, and the commonality is high.

Description

High-universality keycap drawing testing device

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of spare part detects, especially relate to a key cap drawing test device that commonality is high.

[ background of the invention ]

The keyboard is generally assembled by an aluminum substrate, a circuit board, a scissors support frame and a key cap, and the currently known main reasons for causing the poor elasticity or pulling force of the key cap of the keyboard are as follows: 1) the materials are not good, for example, the clamping hooks of the aluminum base plate deform, the middle shaft of the scissors supporting frame is broken, or the key cap structure assembled by the inner scissors and the outer scissors lacks materials and collapses, and the four corners of the key cap and the assembled part of the inner scissors and the outer scissors (namely, the written name is the structure of the water drop hole and the chute) are not good; 2) poor assembly, such as damage to the keyboard or keycap structure during assembly due to human or assembled mechanical device failure. The key cap elasticity or the drawing force of the keyboard is insufficient or has no elasticity due to the two points, and the service life and the mechanical hand feeling of the keyboard can be seriously influenced after the keyboard is made into a finished product. Therefore, after the key cap is mounted on the keyboard, in order to ensure the reliability of subsequent use, the drawing force of the keyboard key cap after being assembled needs to be tested.

The company starts to research and develop automation equipment for assembling and detecting a keyboard as early as 2013, and regarding keycap drawing test equipment, a patent number 201510726534.7 applied by the company discloses a pressing module for keycap drawing force test and a keycap drawing force test machine. Along with the research and development of this company, applied for a key cap structure poor assembly test machine of patent No. 201810262493.4 again, in the in-service use process, found that the degree of accuracy of the testing result of this equipment sometimes is very unstable, and the overall structure of detecting first subassembly module is a bit complicated, and the structure quantity is more, retrencies inadequately.

Later, this company has applied for patent No. CN201822184926.7 again in 2018, 12/25, has disclosed a full-automatic key cap that detection efficiency is high and has drawn testing arrangement, and it adopts pressure sensor to draw the test head to set up the gyro wheel in pressure sensor before and after drawing the test head and push down the keyboard surface, guarantee to draw the precision of test result, although solved above-mentioned technical problem, but along with market demand more and more, the keyboard kind that needs to test also increases gradually. In the patent technology, the detected keyboard needs to be provided with a smooth through groove for the roller to walk, but the keys of some keyboards are in size and are distributed with personalized designs, some individual keycaps can extend into the gap space between two adjacent keycaps and do not have smooth through groove conditions, and therefore, the detection device cannot meet the requirements by adopting the original detection device.

Therefore, it is necessary to provide a new key cap pull-out testing device with high versatility to solve the above problems.

[ Utility model ] content

The utility model discloses a main aim at provides a key cap drawing test device that commonality is high, can be applicable to drawing of key cap on the multiple type keyboard and test the precision height, and the commonality is high.

The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a high key cap of commonality draws testing arrangement, it includes the support frame, sets up a plurality of key cap drawing mechanism on the support frame and setting are in the pressing mechanism on the support frame of holding down the keyboard surface, pressing mechanism includes drive unit, receives the drive unit drive carries out the gyro wheel that compresses tightly of up-and-down motion.

Further, the driving unit is driven by a cylinder or by electromagnetism.

Furthermore, the driving unit comprises an installation block which is fixed on the support frame and is internally provided with an air cavity, a piston rod which is arranged on the installation block and is driven by the air pressure of the internal air cavity to move up and down, and a roller support which is connected with the piston rod, and the pressing roller is erected at the bottom of the roller support.

Furthermore, the driving unit comprises an electrified magnetic block and a movable magnetic block which is matched with the electrified magnetic block to generate magnetic reaction to realize up-and-down motion, and the pressing roller is fixedly connected with the movable magnetic block to realize synchronous up-and-down motion.

Further, the key cap drawing mechanism is including fixing first driving piece on the support frame, accept first connecting plate that first driving piece drive carries out the side-to-side motion, fix second driving piece on the first connecting plate, accept the second connecting plate that second driving piece drive carried out the up-and-down motion, fix pressure sensor on the second connecting plate, set up and be in the key cap pulling block of pressure sensor response end, the both sides of key cap pulling block are provided with the couple, through the couple stretches into the key cap upwards to pull up in the gap between key cap and the keyboard surface.

Further, the hook is of a flat plate structure, or a cylindrical structure, or a plate structure with an arc-shaped upper surface.

Furthermore, the key cap drawing mechanisms are provided with three groups along a first direction, each group is provided with two key cap drawing mechanisms along a second direction, and the first direction is perpendicular to the second direction.

Furthermore, the first connecting plates on the two keycap drawing mechanisms in each group slide on the same pair of slide rails along the second direction through the slide blocks.

Furthermore, the pressing mechanism is distributed on the surface of the keyboard pressed by the front end and the rear end of the keycap pulling block along the first direction.

Further, the second driving member is a servo motor, a linear motor or a voice coil motor.

Compared with the prior art, the utility model relates to a high key cap of commonality draws testing arrangement's beneficial effect lies in: by arranging the pressing mechanism to be movable up and down, when the pressing roller walks in a gap between two rows of keycaps and is blocked by a certain keycap, the pressing roller can jump over the keycap through upward movement, so that the keycaps are effectively prevented from being crushed by the pressing roller, keycap drawing tests of more types of keyboards are met, and the universality of the equipment is improved; and the keycap pulling block is driven by the first driving piece to move left and right, so that the keycap pulling block can be switched between different keycap positions and flexibly adjusted in position according to the distribution and size of the tested keycap, and the universality is greatly improved.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of a distribution structure of a key cap drawing mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a key cap drawing mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a key cap drawing block according to an embodiment of the present invention;

FIG. 5 is a second schematic structural view of a key cap drawing block according to an embodiment of the present invention;

fig. 6 is one of the schematic structural diagrams of the pressing mechanism in the embodiment of the present invention;

fig. 7 is a second schematic structural view of a pressing mechanism according to an embodiment of the present invention;

the figures in the drawings represent:

100 keycap drawing test device with high universality;

1, supporting a frame;

2, a key cap drawing mechanism, 21 a first driving piece, 22 a first connecting plate, 23 a second driving piece, 24 a second connecting plate, 25 a pressure sensor, 26 a key cap drawing block, 27 hooks and 28 slide rails;

3 pressing mechanisms, 31 driving units, 311 mounting blocks, 312 piston rods, 313 roller supports, 314 sliding grooves, 315 air nozzles, 316 electrified magnetic blocks, 317 movable magnetic blocks, 318 reset elastic pieces and 32 pressing rollers.

[ detailed description ] embodiments

Example (b):

referring to fig. 1 to 7, the present embodiment is a keycap pull testing apparatus 100 with high versatility, which includes a supporting frame 1, a plurality of keycap pull mechanisms 2 disposed on the supporting frame 1, and a pressing mechanism 3 disposed on the supporting frame 1 and pressing a surface of a keyboard, where the pressing mechanism 3 includes a driving unit 31 and a pressing roller 32 driven by the driving unit 31 to move up and down.

Referring to fig. 6, in the present embodiment, the driving unit 31 is driven by an air cylinder, the driving unit 31 includes a mounting block 311 fixed on the supporting frame 1 and having an air cavity formed therein, a piston rod 312 disposed on the mounting block 311 and driven by air pressure of the air cavity to move up and down, and a roller bracket 313 connected to the piston rod 312, the mounting block 311 is provided with a sliding slot 314, the roller bracket 313 slides up and down in the sliding slot 314, and the pressing roller 32 is mounted at the bottom of the roller bracket 313. The mounting block 311 is provided with an air nozzle 315 for ventilating the air chamber.

Referring to fig. 7, in another embodiment, the driving unit 31 may further adopt electromagnetic driving, and includes an energized magnetic block 316 and a movable magnetic block 317 that cooperates with the energized magnetic block 316 to perform a magnetic reaction to realize an up-and-down motion, the pressing roller 32 and the movable magnetic block 317 move up and down synchronously, and a reset elastic member 318 is connected between the movable magnetic block 317 and the energized magnetic block. The movable magnetic block 317 can be fixedly connected with the roller bracket 313, the energized magnetic block 316 is fixed on the mounting block 311, the mounting block 311 is fixed on the support frame 1, the mounting block 311 is provided with a sliding groove 314, the roller bracket 313 slides up and down in the sliding groove 314, and the pressing roller 32 is arranged at the bottom of the roller bracket 313. When the energized magnetic block 316 is energized, the magnetically attracted movable magnetic block 317 moves upward, and after the energization, the movable magnetic block 317 descends under the action of the self-weight and the elastic reset component 318.

Referring to fig. 1-3, the key cap drawing mechanism 2 includes a first driving member 21 fixed on the supporting frame 1, a first connecting plate 22 driven by the first driving member 21 to move left and right, a second driving member 23 fixed on the first connecting plate 22, a second connecting plate 24 driven by the second driving member 23 to move up and down, a pressure sensor 25 fixed on the second connecting plate 24, and a key cap drawing block 26 disposed at a sensing end of the pressure sensor 25. The two sides of the key cap pulling block 26 are provided with hooks 27, and the hooks 27 extend into the gap between the key cap and the surface of the keyboard to pull up the key cap. The drawing test of two corresponding keycaps in the two rows of keycaps can be simultaneously completed by arranging the hooks 27 on both sides. The key cap drawing mechanism 2 further comprises an upper computer (not shown) embedded with a computer program capable of acquiring the data of the pressure sensor 25 in real time. By acquiring the pressure data of the pressure sensor 25 in real time, a pressure change curve is formed, and the pressure change curve is compared with a pressure change curve in a normal key cap drawing process, so that the drawing test result of the keyboard is judged.

Referring to fig. 4-5, the hook 27 is a flat plate structure. In another embodiment, the hook 27 is a cylindrical structure or a plate-shaped structure with an arc-shaped upper surface, which can effectively prevent the keycap from being scratched.

According to the structure of the keyboard, a general keyboard is provided with six rows of keycaps, in the embodiment, three groups of keycap pulling mechanisms 2 are arranged along a first direction, each group is provided with two keycap pulling mechanisms 2 along a second direction, and the first direction is perpendicular to the second direction. And the first connecting plates 22 on the two keycap pulling mechanisms 2 in each group slide on the same pair of slide rails 28 through the slide blocks in the second direction. Each key cap drawing mechanism 2 corresponds to a row of key caps. During testing, the support frame 1 is driven by the manipulator or the three-dimensional transfer module to move along the first direction.

The pressing mechanisms 3 are distributed at the front end and the rear end of the keycap pulling block 26 along the first direction to press the surface of the keyboard.

The first driving member 21 may be a servo motor, a linear motor, or the like. The second driving member 23 can adopt a servo motor, a linear motor, a voice coil motor and other driving members, and in this embodiment, the second driving member 23 is preferably a voice coil motor, which has small space occupation, fast response and high control precision, and can realize high-frequency, small-amplitude and high-precision linear driving.

The key cap drawing testing device 100 with high universality has the advantages that: by arranging the pressing mechanism 3 to be of a vertically movable structure, when the pressing roller walks in a gap between two rows of keycaps and is blocked by a certain keycap, the pressing roller can jump over the keycap through upward movement, so that the keycaps are effectively prevented from being crushed by the pressing roller, keycap drawing tests of more types of keyboards are met, and the universality of the equipment is improved; and carry out the side-to-side motion through first driving piece drive key cap pulling block 26, can realize that key cap pulling block 26 switches between different row key cap positions and according to the distribution and the size of a dimension nimble adjustment its position of quilt survey key cap, improved the commonality greatly.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The utility model provides a high key cap of commonality draws testing arrangement which characterized in that: the keyboard pressing mechanism comprises a support frame, a plurality of keycap drawing mechanisms arranged on the support frame, and a pressing mechanism arranged on the support frame and used for pressing the surface of a keyboard, wherein the pressing mechanism comprises a driving unit and a pressing roller driven by the driving unit to move up and down.

2. The key cap pull-out testing device with high universality according to claim 1, wherein: the driving unit is driven by a cylinder or by electromagnetism.

3. The key cap pull-out testing device with high universality according to claim 2, wherein: the driving unit comprises an installation block which is fixed on the supporting frame and internally forms an air cavity, a piston rod which is arranged on the installation block and is driven by the air pressure of the internal air cavity to move up and down, and a roller bracket which is connected with the piston rod, wherein the pressing roller is erected at the bottom of the roller bracket.

4. The key cap pull-out testing device with high universality according to claim 2, wherein: the driving unit comprises an electrified magnetic block and a movable magnetic block which is matched with the electrified magnetic block to generate magnetic reaction to realize up-and-down motion, and the pressing roller is fixedly connected with the movable magnetic block to realize synchronous up-and-down motion.

5. The key cap pull-out testing device with high universality according to claim 1, wherein: the key cap drawing mechanism comprises a first driving part fixed on the support frame, a first connecting plate driven by the first driving part to move left and right, a second driving part fixed on the first connecting plate, a second connecting plate driven by the second driving part to move up and down, a pressure sensor fixed on the second connecting plate, and a key cap drawing block arranged at the induction end of the pressure sensor, wherein hooks are arranged on two sides of the key cap drawing block, and the hooks stretch into gaps between the key cap and the surface of the keyboard to upwards draw up the key cap.

6. The high-universality keycap pull-out testing device according to claim 5, characterized in that: the hook is of a flat plate structure, or a cylindrical structure, or a plate structure with an arc-shaped upper surface.

7. The high-universality keycap pull-out testing device according to claim 5, characterized in that: the key cap drawing mechanism is provided with three groups along a first direction, each group is provided with two key cap drawing mechanisms along a second direction, and the first direction is vertical to the second direction.

8. The high-universality keycap pull-out testing device according to claim 7, characterized in that: and the first connecting plates on the two keycap drawing mechanisms in each group slide on the same pair of slide rails along the second direction through slide blocks.

9. The high-universality keycap pull-out testing device according to claim 7, characterized in that: the pressing mechanism is distributed on the keyboard surface pressed by the keycap pulling blocks along the front end and the rear end in the first direction.

10. The high-universality keycap pull-out testing device according to claim 5, characterized in that: the second driving piece is a servo motor, a linear motor or a voice coil motor.