CN103777101B - A kind of keyboard electrical functionality test machine - Google Patents
A kind of keyboard electrical functionality test machine Download PDFInfo
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- CN103777101B CN103777101B CN201410050173.4A CN201410050173A CN103777101B CN 103777101 B CN103777101 B CN 103777101B CN 201410050173 A CN201410050173 A CN 201410050173A CN 103777101 B CN103777101 B CN 103777101B
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- 238000012360 testing method Methods 0.000 title claims abstract description 111
- 238000006073 displacement reaction Methods 0.000 claims abstract description 8
- 238000004804 winding Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 31
- 238000003825 pressing Methods 0.000 claims description 15
- 230000036316 preload Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000010079 rubber tapping Methods 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 description 2
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a kind of keyboard electrical functionality test machine, its pair of testing bench structure design effectively can be shortened keyboard and pick and place the time and improve testing efficiency, during work, keyboard holds positioning component by keyboard and accurately holds location, pressure holding fixation kit holds the connection winding displacement of fixing keyboard to be tested, left, right driving stepper motor is left, right test board moves backwards and enters to button and knocks immediately below assembly, pre-depression bar enters roll extrusion keyboard before tapping areas in keyboard, precompressed pole pair keyboard carries out precompressed operation and imitates button being pressed action, screw mandrel driven by servomotor button striking head moves horizontally, electric cabinet controls the action of each button striking head and imitates key tap action, in whole test process, display can show test results in time to check.So the present invention efficiently and automatically can complete keyboard electrical functionality and detect, and namely the present invention has the advantage that work efficiency is high, positioning precision is high and highly sensitive.
Description
Technical field
The present invention relates to keyboard tester technical field, particularly relate to a kind of keyboard electrical functionality test machine.
Background technology
As main input structure, button is widely used in the electronic products such as computer keyboard, mobile phone and counter; For the electronic products such as above computer keyboard, mobile phone and counter, must beat button during work to make key contacts conducting disconnects, thus letter, numeral, punctuation mark etc. is input in corresponding computing machine, mobile phone or counter.
In keyboard (including computer keyboard, cell phone keyboard and calculator keyboard etc.) production run, when must carry out quality testing to keyboard finished product before producing, namely need to impact each button, to test the break-make of its resilience and contact.But, keyboard tester ubiquity inefficiency of the prior art, positioning precision difference and the defect of insufficient sensitivity.
Summary of the invention
The object of the invention is to provide a kind of keyboard electrical functionality test machine for the deficiencies in the prior art, this keyboard electrical functionality test machine can realize the effect that work efficiency is high, positioning precision is high and highly sensitive.
For achieving the above object, the present invention is achieved through the following technical solutions.
A kind of keyboard electrical functionality test machine, include frame, frame includes lower shoe, the right plate being installed in the left plate above lower shoe left part and being installed in above lower shoe right part, the top of lower shoe can be equiped with the left test board and right test board that are symmetrically arranged between left plate with right plate relative fore-aft travel, right test board is positioned at the right-hand member side of left test board, left test board and right test board include test platen respectively and are installed in the bed die of test platen upper surface, the upper surface of bed die is provided with the keyboard fixed bit for holding keyboard, bed die is equiped with keyboard in the edge of keyboard fixed bit and holds positioning component, the connection winding displacement of the corresponding keyboard in leading section of bed die is equiped with pressure holding fixation kit, the corresponding left test board of left plate is equiped with left stepper motor, the corresponding right test board of right plate is equiped with right stepper motor, the power output shaft of left stepper motor and right stepper motor is equiped with driving pulley respectively, left plate and right plate are equiped with driven pulley respectively rotatably, drive coordination band has been installed around between driving pulley and corresponding driven pulley, the test platen left part of left test board and the test platen right end portion of right test board are not equiped with Timing Belt clamping and holding assembly, each drive coordination band is installed in the Timing Belt clamping and holding assembly of corresponding side respectively,
The button be positioned at above left test board and right test board can be equiped with actively knock assembly in relative left and right between left plate with right plate, button knocks assembly and includes terminal fixing plate, be installed in the left fixed head below terminal fixing plate left part, be installed in the right fixed head below terminal fixing plate right part, be installed in terminal fixing plate lower surface and linear axis bearing between left fixed head and right fixed head, linear axis bearing is fitted with linear bearing, be equiped with horizontal cross between left plate with right plate to extend and the guide cylinder axle matched with linear bearing, guide cylinder axle is from left to right successively through left fixed head, linear bearing and right fixed head, the left part of guide cylinder axle and right part are installed in left plate and the right plate of corresponding side respectively, the ball screw that horizontal cross extends also is equiped with between left plate and right plate, left plate or the corresponding ball screw of right plate are equiped with screw mandrel servomotor, the power output shaft of screw mandrel servomotor drives with ball screw and is connected, linear axis bearing is equiped with the ball nut matched with ball screw,
The bottom of left fixed head and right fixed head is equiped with solenoid valve fixed mount respectively, each solenoid valve fixed mount is equiped with the button striking head that quantity and keyboard line number match respectively, each button striking head includes electromagnetic valve body respectively and can be flush-mounted in the electromagnet core of electromagnetic valve body core relatively up and downly, the bottom of electromagnet core extends to the below of electromagnetic valve body, electromagnetic valve body is installed in corresponding solenoid valve fixed mount, the upper end of electromagnet core is set with the spring be positioned at above electromagnetic valve body, the upper end of spring and bottom abut with the electromagnet core head of corresponding side and the upper end of electromagnetic valve body respectively,
Also be equiped with between left plate and right plate and be positioned at button and knock assembly front and be positioned at the preload component above each bed die, preload component includes the supporting mechanism that is installed in left plate and right plate respectively and to be installed between two supporting mechanisms and pre-depression bar in pole shape, and pre-depression bar horizontal cross extends and both ends are installed in the supporting mechanism of corresponding side respectively rotatably;
The rearward end of frame is fitted with electric cabinet, and the upper end of frame is equiped with display screen, and display screen, left stepper motor, right stepper motor and screw mandrel servomotor are electrically connected with electric cabinet respectively.
Wherein, described keyboard hold positioning component include before and after hold detent mechanism and left and right holds detent mechanism, front and back hold detent mechanism and include two the prelocalization blocks and two keyboard fixture blocks that are installed in described bed die respectively, two spaced layouts of prelocalization block and lay respectively at the forward edge of described keyboard fixed bit, two spaced layouts of keyboard fixture block and lay respectively at the posterior edges of keyboard fixed bit, the corresponding each keyboard fixture block of bed die offers fixture block loose slot respectively, each keyboard fixture block can be flush-mounted in corresponding fixture block loose slot respectively relatively fore-aft travel, the guide rod extended before and after being embedded with respectively in each fixture block loose slot, each keyboard fixture block can be set in corresponding guide rod respectively relative motion, each guide rod is respectively installed with the fixture block spring being positioned at corresponding keyboard fixture block rear end side, fixture block spring abuts with the keyboard fixture block of corresponding side and bed die respectively, left and right holds detent mechanism and includes the left locating piece and right locating piece that are installed in bed die respectively, and left locating piece is positioned at the left side edge of keyboard fixed bit, and right locating piece is positioned at the right side edge of keyboard fixed bit.
Wherein, described pressure holding fixation kit includes the folder PIN seat being screwed on described bed die leading section, the top of folder PIN seat is equiped with pressure PIN plate, the upper surface correspondence pressure PIN plate of folder PIN seat is screwed with pressing plate seat, the leading section of pressure PIN plate is cut with scissors rotatably and is loaded on pressing plate seat, and the rearward end lower surface of pressure PIN plate is equiped with soft rubber cushion.
Wherein, described Timing Belt clamping and holding assembly includes the belt cushion block being screwed on corresponding described test platen upper surface, and the top of belt cushion block is screwed with belt pressing plate, and described drive coordination band is fastened between corresponding belt pressing plate and belt cushion block.
Wherein, each described supporting mechanism includes a support bar respectively, and the both ends of described pre-depression bar can be installed in the support bar bottom of corresponding side respectively relative motion; Each supporting mechanism also includes the upper fixed block being installed in corresponding described left plate and described right plate respectively and the lower fixed block be positioned at below fixed block, upper fixed block offers the support bar loose slot of inwards opening, the upper end of support bar is flush-mounted in support bar loose slot, lower fixed block is fitted with differential head, the upper end of differential head to extend in support bar loose slot and abuts with post upper portion, above post upper portion, be equiped with fine setting spring in support bar loose slot, the bottom of fine setting spring abuts with post upper portion.
Wherein, the fixed piece of stopper slot offering downward-extension, the upper end of described support bar is fitted with latch, and latch is flush-mounted in stopper slot.
Wherein, the corresponding described fine setting spring in described post upper portion offers counterbore, and the described bottom of fine setting spring abuts with the bottom of counterbore.
Wherein, the lower surface of each described test platen is equiped with slide block respectively, and the corresponding each slide block of upper surface of described lower shoe is equiped with the slide rail extended before and after level respectively, and slide block coordinates with corresponding slide rail.
Beneficial effect of the present invention is: keyboard to be tested is positioned over left and right test board by a kind of keyboard electrical functionality test machine of the present invention simultaneously, and two testing bench structure design effectively can be shortened keyboard and picks and places the time and improve testing efficiency, during work, keyboard to be tested holds positioning component by keyboard and is positioned over bed die keyboard fixed bit exactly, pressure holding fixation kit holds the connection winding displacement of fixing keyboard to be tested, left, right stepper motor passes through driving pulley, driven pulley, drive coordination band and Timing Belt clamping and holding assembly drive a corresponding left side, right test board moves backwards and enters to button and knocks immediately below assembly, when keyboard to be tested passes through below pre-depression bar, pre-depression bar Structure deformation also compresses the button of keyboard to be tested slightly, the button of precompressed pole pair keyboard to be tested carries out precompressed operation and imitates button being pressed action, screw mandrel driven by servomotor button striking head level moves left and right, electric cabinet controls the action of each button striking head and imitates key tap action, in whole test process, display can the test result of display button in time so that operating personnel understand keyboard quality.Comprehensive above-mentioned situation is known, and the present invention efficiently and automatically can complete keyboard electrical functionality and detect, and namely the present invention has the advantage that work efficiency is high, positioning precision is high and highly sensitive.
Accompanying drawing explanation
Utilize accompanying drawing to be further detailed the present invention below, but the embodiment in accompanying drawing does not form any limitation of the invention.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation at another visual angle of the present invention.
Fig. 3 is the structural representation at the another visual angle of the present invention.
Fig. 4 is diagrammatic cross-section of the present invention.
Fig. 5 is the diagrammatic cross-section of another location of the present invention.
Fig. 6 is the structural representation of frame of the present invention.
Fig. 7 is the structural representation that button of the present invention knocks assembly.
Fig. 8 is the structural representation of button striking head of the present invention.
Fig. 9 is the structural representation of right test board of the present invention.
Figure 10 is the vertical view of right test board of the present invention.
Figure 11 is the structural representation of pre-depression bar of the present invention.
Figure 12 is the structural representation of preload component of the present invention.
Include in Fig. 1 to Figure 12:
10---frame 11---lower shoe
12---left plate 13---right plate
20---left test board 21---right test board
22---test platen 23---bed die
23a---fixture block loose slot
24---pressure holding fixation kit 24a---folder PIN seat
24b---pressure PIN plate 24c---pressing plate seat
25---left stepper motor 26---right stepper motor
27---driving pulley 28---driven pulley
29---drive coordination band 210---Timing Belt clamping and holding assembly
210a---belt cushion block 210b---belt pressing plate
211---front and back hold detent mechanism 211a---prelocalization block
211b---keyboard fixture block 211c---guide rod
Left and right holds detent mechanism to 211d---fixture block spring 212---
212a---left locating piece 212b---right locating piece
213---slide block 214---slide rail
30---button knocks assembly 31---terminal fixing plate
32---left fixed head 33---right fixed head
34---linear axis bearing 35---linear bearing
36---guide cylinder axle 37---ball screw
38---screw mandrel servomotor 39---ball nut
310---solenoid valve fixed mount 311---button striking head
311a---electromagnetic valve body 311b---electromagnet core
311c---spring 40---preload component
41---supporting mechanism 411---support bar
The upper fixed block of 411a---counterbore 412---
412a---support bar loose slot 412b---stopper slot
413---lower fixed block 414---differential head
415---fine setting spring 416---latch
42---pre-depression bar 50---electric cabinet
60---display screen.
Embodiment
Below in conjunction with concrete embodiment, the present invention will be described.
As shown in Figures 1 to 12, a kind of keyboard electrical functionality test machine, include frame 10, frame 10 includes lower shoe 11, the right plate 13 being installed in the left plate 12 above lower shoe 11 left part and being installed in above lower shoe 11 right part, the top of lower shoe 11 can be equiped with the left test board 20 and right test board 21 that are symmetrically arranged between left plate 12 with right plate 13 relative fore-aft travel, right test board 21 is positioned at the right-hand member side of left test board 20, left test board 20 and right test board 21 include test platen 22 respectively and are installed in the bed die 23 of test platen 22 upper surface, the upper surface of bed die 23 is provided with the keyboard fixed bit for holding keyboard, bed die 23 is equiped with keyboard in the edge of keyboard fixed bit and holds positioning component, the connection winding displacement of the corresponding keyboard in leading section of bed die 23 is equiped with pressure holding fixation kit 24, the corresponding left test board 20 of left plate 12 is equiped with left stepper motor 25, the corresponding right test board 21 of right plate 13 is equiped with right stepper motor 26, the power output shaft of left stepper motor 25 and right stepper motor 26 is equiped with driving pulley 27 respectively, left plate 12 and right plate 13 are equiped with driven pulley 28 respectively rotatably, drive coordination band 29 has been installed around between driving pulley 27 and corresponding driven pulley 28, test platen 22 left part of left test board 20 and test platen 22 right part of right test board 21 are equiped with Timing Belt clamping and holding assembly 210 respectively, each drive coordination band 29 is installed in the Timing Belt clamping and holding assembly 210 of corresponding side respectively.
Further, the button be positioned at above left test board 20 and right test board 21 can be equiped with actively knock assembly 30 in relative left and right between left plate 12 with right plate 13, button knocks assembly 30 and includes terminal fixing plate 31, be installed in the left fixed head 32 below terminal fixing plate 31 left part, be installed in the right fixed head 33 below terminal fixing plate 31 right part, be installed in terminal fixing plate 31 lower surface and linear axis bearing 34 between left fixed head 32 and right fixed head 33, linear axis bearing 34 is fitted with linear bearing 35, be equiped with horizontal cross between left plate 12 with right plate 13 to extend and the guide cylinder axle 36 matched with linear bearing 35, guide cylinder axle 36 is from left to right successively through left fixed head 32, linear bearing 35 and right fixed head 33, the left part of guide cylinder axle 36 and right part are installed in left plate 12 and the right plate 13 of corresponding side respectively, the ball screw 37 that horizontal cross extends also is equiped with between left plate 12 and right plate 13, left plate 12 or the corresponding ball screw 37 of right plate 13 are equiped with screw mandrel servomotor 38, the power output shaft of screw mandrel servomotor 38 drives with ball screw 37 and is connected, linear axis bearing 34 is equiped with the ball nut 39 matched with ball screw 37.
Further, the bottom of left fixed head 32 and right fixed head 33 is equiped with solenoid valve fixed mount 310 respectively, each solenoid valve fixed mount 310 is equiped with the button striking head 311 that quantity and keyboard line number match respectively, each button striking head 311 includes electromagnetic valve body 311a respectively and can be flush-mounted in the electromagnet core 311b of electromagnetic valve body 311a core relatively up and downly, the bottom of electromagnet core 311b extends to the below of electromagnetic valve body 311a, electromagnetic valve body 311a is installed in corresponding solenoid valve fixed mount 310, the upper end of electromagnet core 311b is set with the spring 311c be positioned at above electromagnetic valve body 311a, the upper end of spring 311c and bottom abut with the electromagnet core 311b head of corresponding side and the upper end of electromagnetic valve body 311a respectively,
In addition, also be equiped with between left plate 12 and right plate 13 and be positioned at button and knock assembly 30 front and be positioned at the preload component 40 above each bed die 23, preload component 40 includes the supporting mechanism 41 that is installed in left plate 12 and right plate 13 respectively and to be installed between two supporting mechanisms 41 and pre-depression bar 42 in pole shape, and pre-depression bar 42 horizontal cross extends and both ends are installed in the supporting mechanism 41 of corresponding side respectively rotatably;
Wherein, the rearward end of frame 10 is fitted with electric cabinet 50, and the upper end of frame 10 is equiped with display screen 60, and display screen 60, left stepper motor 25, right stepper motor 26 and screw mandrel servomotor 38 are electrically connected with electric cabinet 50 respectively.
In the course of work of the present invention, keyboard to be tested can be positioned over left test board 20 and right test board 21 simultaneously, and two testing bench structure design effectively can be shortened keyboard and picks and places the time and improve testing efficiency.During work, keyboard to be tested is positioned over the keyboard fixed bit of left test board 20 and right test board 21, keyboard to be tested holds positioning component by corresponding keyboard and is positioned over corresponding bed die 23 upper surface exactly, namely keyboard holds positioning component and can accurately locate keyboard to be tested and make the electromagnet core 311b in subsequent process knock button on keyboard exactly, in the process, pressure holding fixation kit 24 holds the connection winding displacement of fixing keyboard to be tested, and together with by corresponding connecting line keyboard to be tested being electrically connected on electric cabinet 50, behind keyboard location to be tested, left stepper motor 25 and right stepper motor 26 are by driving pulley 27, driven pulley 28, drive coordination band 29 and Timing Belt clamping and holding assembly 210 drive corresponding left test board 20 and right test board 21 to move backwards and enter to button and knock immediately below assembly 30, wherein, when keyboard to be tested passes through below pre-depression bar 42, pre-depression bar 42 Structure deformation also compresses the button of keyboard to be tested slightly, the button that test keyboard treated by pre-depression bar 42 carries out precompressed operation and imitates button being pressed action, now, display timely display keyboard precompressed result, keyboard to be tested enters to button and knocks after immediately below assembly 30, screw mandrel servomotor 38 starts and drives linear axis bearing 34, terminal fixing plate 31, left fixed head 32, right fixed head 33, solenoid valve fixed mount 310 and button striking head 311 level to move left and right by ball screw 37, in the process, electric cabinet 50 controls the action of each button striking head 311, concrete: the "on" position of electric cabinet 50 Controlling solenoid valve body 311a, when electromagnetic valve body 311a is energized, electromagnetic valve body 311a adsorbs electromagnet core 311b and moves down and knock keyboard, when electromagnetic valve body 311a no power, spring 311c drive magnetic iron core 311b moves and recesses keyboard, electric cabinet 50 controls each button striking head 311 knee-action and horizontal cross moves and knocks keyboard successively, namely imitates key tap action by the way, need to explain further, knock in keyboard process successively in electromagnet core 311b bottom, display can the test result of display button in time so that operating personnel understand keyboard quality, after treating that keys of keyboard knocks, screw mandrel servomotor 38 drives whole button to knock assembly 30 to reset, left stepper motor 25 and right stepper motor 26 drive corresponding left test board 20 and right test board 21 to move forward and recess the front to pre-depression bar 42, keyboard after being completed only need take off from corresponding left test board 20 and right test board 21 by operating personnel, is completed.
Need to explain further, for ensureing that left test board 20 and right test board 21 move forward and backward reposefully, the present invention adopts following structural design, be specially: the lower surface of each test platen 22 is equiped with slide block 213 respectively, the corresponding each slide block 213 of upper surface of lower shoe 11 is equiped with the slide rail 214 extended before and after level respectively, and slide block 213 coordinates with corresponding slide rail 214.
In addition, in the course of work of the present invention, the dynamics of knocking of electromagnet core 311b is controlled by programmable power supply, can need according to the test of different keyboard and set different dynamics of knocking; Knock in the process of dynamics in setting, operating personnel only need control difference by the mode setting different magnitude of voltage in operation interface and knock dynamics.
Comprehensive above-mentioned situation is known, and the present invention efficiently and automatically can complete keyboard electrical functionality and detect, and namely the present invention has the advantage that work efficiency is high, positioning precision is high and highly sensitive.
As preferred embodiment, as shown in Figure 9 and Figure 10, keyboard hold positioning component include before and after hold detent mechanism 211 and left and right holds detent mechanism 212, front and back hold detent mechanism 211 and include two prelocalization block 211a and two the keyboard fixture block 211b being installed in bed die 23 respectively, two spaced layouts of prelocalization block 211a and lay respectively at the forward edge of keyboard fixed bit, two spaced layouts of keyboard fixture block 211b and lay respectively at the posterior edges of keyboard fixed bit, the corresponding each keyboard fixture block 211b of bed die 23 offers fixture block loose slot 23a respectively, each keyboard fixture block 211b can be flush-mounted in corresponding fixture block loose slot 23a respectively relatively fore-aft travel, the guide rod 211c extended before and after being embedded with respectively in each fixture block loose slot 23a, each keyboard fixture block 211b can be set in corresponding guide rod 211c respectively relative motion, each guide rod 211c is respectively installed with the fixture block spring 211d being positioned at corresponding keyboard fixture block 211b rear end side, fixture block spring 211d abuts with the keyboard fixture block 211b of corresponding side and bed die 23 respectively, left and right holds detent mechanism 212 and includes the left locating piece 212a and right locating piece 212b that are installed in bed die 23 respectively, and left locating piece 212a is positioned at the left side edge of keyboard fixed bit, and right locating piece 212b is positioned at the right side edge of keyboard fixed bit.
The bed die 23 keyboard busy hour fixed of left test board 20 and right test board 21 is positioned at keyboard to be tested, left locating piece 212a and right locating piece 212b treats the test corresponding left side edge portion of keyboard and right edge edge positions, the front side edge edge that prelocalization block 211a treats test keyboard positions, the back side edge edge of keyboard fixture block 211b to keyboard positions, wherein, fixture block spring 211d pushing tow keyboard fixture block 211b make keyboard fixture block 211b be resisted against the back side edge edge of keyboard to be tested tightly forward; Designed by above-mentioned location structure, the present invention can locate keyboard to be tested exactly, and then effectively ensure that measurement sensitivity and testing efficiency.
As preferred embodiment, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 9 and Figure 10, pressure holding fixation kit 24 includes the folder PIN seat 24a being screwed on bed die 23 leading section, the top of folder PIN seat 24a is equiped with pressure PIN plate 24b, the upper surface correspondence pressure PIN plate 24b of folder PIN seat 24a is screwed with pressing plate seat 24c, the leading section of pressure PIN plate 24b is cut with scissors rotatably and is loaded on pressing plate seat 24c, and the rearward end lower surface of pressure PIN plate 24b is equiped with soft rubber cushion.The present invention is matched by folder PIN seat 24a, pressure PIN plate 24b, pressing plate seat 24c and the connection winding displacement of keyboard to be tested is contacted with the connecting line connecting electric cabinet 50 is stable, wherein, soft rubber cushion can make the connection winding displacement of keyboard to be tested more stably contact with connecting line.
As preferred embodiment, as shown in Figure 5, Timing Belt clamping and holding assembly 210 includes the belt cushion block 210a being screwed on corresponding test platen 22 upper surface, the top of belt cushion block 210a is screwed with belt pressing plate 210b, and drive coordination band 29 is fastened between corresponding belt pressing plate 210b and belt cushion block 210a.
As preferred embodiment, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5, Figure 11 and Figure 12, each supporting mechanism 41 includes a support bar 411 respectively, and the both ends of pre-depression bar 42 can be installed in support bar 411 bottom of corresponding side respectively relative motion, each supporting mechanism 41 also includes the upper fixed block 412 being installed in corresponding left plate 12 and right plate 13 respectively and the lower fixed block 413 be positioned at below fixed block 412, upper fixed block 412 offers the support bar loose slot 412a of inwards opening, the upper end of support bar 411 is flush-mounted in support bar loose slot 412a, lower fixed block 413 is fitted with differential head 414, the upper end of differential head 414 to extend in support bar loose slot 412a and abuts with support bar 411 upper end, above support bar 411 upper end, fine setting spring 415 is equiped with in support bar loose slot 412a, the bottom of fine setting spring 415 abuts with support bar 411 upper end.
The button treating test keyboard at pre-depression bar 42 carries out in the process of precompressed operation, above-mentioned supporting mechanism 41 can regulate pre-depression bar 42 to compress the pressure size of the button of keyboard to be tested effectively, be specially: turn differential head 414 also regulates the height and position of support bar 411 upper end, and fine setting spring 415 moment keeps abutting with the upper end of support bar 411.
Further, carrying out in adjustment process to pre-depression bar 42, for ensureing that support bar 411 steadily can move up and down adjustment, the present invention adopts following structural design, be specially: upper fixed block 412 offers the stopper slot 412b of downward-extension, the upper end of support bar 411 is fitted with latch 416, and latch 416 is flush-mounted in stopper slot 412b.
Further, support bar 411 upper end correspondence fine setting spring 415 offers counterbore 411a, and the bottom of fine setting spring 415 abuts with the bottom of counterbore 411a.Above-mentioned counterbore 411a structure can position fine setting spring 415 effectively.
Above content is only preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (8)
1. a keyboard electrical functionality test machine, it is characterized in that: include frame (10), frame (10) includes lower shoe (11), the right plate (13) being installed in the left plate (12) above lower shoe (11) left part and being installed in above lower shoe (11) right part, the top of lower shoe (11) can be equiped with the left test board (20) and right test board (21) that are symmetrically arranged between left plate (12) with right plate (13) relative fore-aft travel, right test board (21) is positioned at the right-hand member side of left test board (20), left test board (20) and right test board (21) include test platen (22) respectively and are installed in the bed die (23) of test platen (22) upper surface, the upper surface of bed die (23) is provided with the keyboard fixed bit for holding keyboard, bed die (23) is equiped with keyboard in the edge of keyboard fixed bit and holds positioning component, the connection winding displacement of the corresponding keyboard in leading section of bed die (23) is equiped with pressure holding fixation kit (24), the corresponding left test board (20) of left plate (12) is equiped with left stepper motor (25), the corresponding right test board (21) of right plate (13) is equiped with right stepper motor (26), the power output shaft of left stepper motor (25) and right stepper motor (26) is equiped with driving pulley (27) respectively, left plate (12) and right plate (13) are equiped with driven pulley (28) respectively rotatably, drive coordination band (29) has been installed around between driving pulley (27) and corresponding driven pulley (28), test platen (22) left part of left test board (20) and test platen (22) right part of right test board (21) are equiped with Timing Belt clamping and holding assembly (210) respectively, each drive coordination band (29) is installed in the Timing Belt clamping and holding assembly (210) of corresponding side respectively,
The button be positioned at above left test board (20) and right test board (21) can be equiped with actively knock assembly (30) in relative left and right between left plate (12) with right plate (13), button knocks assembly (30) and includes terminal fixing plate (31), be installed in the left fixed head (32) below terminal fixing plate (31) left part, be installed in the right fixed head (33) below terminal fixing plate (31) right part, be installed in terminal fixing plate (31) lower surface and be positioned at the linear axis bearing (34) between left fixed head (32) and right fixed head (33), linear axis bearing (34) is fitted with linear bearing (35), be equiped with horizontal cross between left plate (12) with right plate (13) to extend and the guide cylinder axle (36) matched with linear bearing (35), guide cylinder axle (36) is from left to right successively through left fixed head (32), linear bearing (35) and right fixed head (33), the left part of guide cylinder axle (36) and right part are installed in left plate (12) and the right plate (13) of corresponding side respectively, the ball screw (37) that horizontal cross extends also is equiped with between left plate (12) and right plate (13), left plate (12) or right plate (13) corresponding ball screw (37) are equiped with screw mandrel servomotor (38), the power output shaft of screw mandrel servomotor (38) drives with ball screw (37) and is connected, linear axis bearing (34) is equiped with the ball nut (39) matched with ball screw (37),
The bottom of left fixed head (32) and right fixed head (33) is equiped with solenoid valve fixed mount (310) respectively, each solenoid valve fixed mount (310) is equiped with the button striking head (311) that quantity and keyboard line number match respectively, each button striking head (311) includes electromagnetic valve body (311a) respectively and can be flush-mounted in the electromagnet core (311b) of electromagnetic valve body (311a) core relatively up and downly, the bottom of electromagnet core (311b) extends to the below of electromagnetic valve body (311a), electromagnetic valve body (311a) is installed in corresponding solenoid valve fixed mount (310), the upper end of electromagnet core (311b) is set with the spring (311c) being positioned at electromagnetic valve body (311a) top, the upper end of spring (311c) and bottom abut with electromagnet core (311b) head of corresponding side and the upper end of electromagnetic valve body (311a) respectively,
Also be equiped with between left plate (12) and right plate (13) be positioned at button knock assembly (30) front and be positioned at each bed die (23) top preload component (40), preload component (40) includes the supporting mechanism (41) that is installed in left plate (12) and right plate (13) respectively and to be installed between two supporting mechanisms (41) and pre-depression bar (42) in pole shape, and pre-depression bar (42) horizontal cross extends and both ends are installed in the supporting mechanism (41) of corresponding side respectively rotatably;
The rearward end of frame (10) is fitted with electric cabinet (50), the upper end of frame (10) is equiped with display screen (60), and display screen (60), left stepper motor (25), right stepper motor (26) and screw mandrel servomotor (38) are electrically connected with electric cabinet (50) respectively.
2. a kind of keyboard electrical functionality test machine according to claim 1, it is characterized in that: described keyboard hold positioning component include before and after hold detent mechanism (211) and left and right holds detent mechanism (212), front and back hold detent mechanism (211) and include two the prelocalization blocks (211a) and two keyboard fixture blocks (211b) that are installed in described bed die (23) respectively, two spaced layouts of prelocalization block (211a) and lay respectively at the forward edge of described keyboard fixed bit, two spaced layouts of keyboard fixture block (211b) and lay respectively at the posterior edges of keyboard fixed bit, the corresponding each keyboard fixture block (211b) of bed die (23) offers fixture block loose slot (23a) respectively, each keyboard fixture block (211b) can be flush-mounted in corresponding fixture block loose slot (23a) respectively relatively fore-aft travel, the guide rod (211c) extended before and after being embedded with respectively in each fixture block loose slot (23a), each keyboard fixture block (211b) can be set in corresponding guide rod (211c) respectively relative motion, each guide rod (211c) is respectively installed with the fixture block spring (211d) being positioned at corresponding keyboard fixture block (211b) rear end side, fixture block spring (211d) abuts with the keyboard fixture block (211b) of corresponding side and bed die (23) respectively, left and right holds detent mechanism (212) and includes the left locating piece (212a) and right locating piece (212b) that are installed in bed die (23) respectively, left locating piece (212a) is positioned at the left side edge of keyboard fixed bit, and right locating piece (212b) is positioned at the right side edge of keyboard fixed bit.
3. a kind of keyboard electrical functionality test machine according to claim 2, it is characterized in that: described pressure holding fixation kit (24) includes the folder PIN seat (24a) being screwed on described bed die (23) leading section, the top of folder PIN seat (24a) is equiped with pressure PIN plate (24b), upper surface correspondence pressure PIN plate (24b) of folder PIN seat (24a) is screwed with pressing plate seat (24c), the leading section of pressure PIN plate (24b) is cut with scissors rotatably and is loaded on pressing plate seat (24c), and the rearward end lower surface of pressure PIN plate (24b) is equiped with soft rubber cushion.
4. a kind of keyboard electrical functionality test machine according to claim 3, it is characterized in that: described Timing Belt clamping and holding assembly (210) includes the belt cushion block (210a) being screwed on corresponding described test platen (22) upper surface, the top of belt cushion block (210a) is screwed with belt pressing plate (210b), and described drive coordination band (29) is fastened between corresponding belt pressing plate (210b) and belt cushion block (210a).
5. a kind of keyboard electrical functionality test machine according to claim 4, it is characterized in that: each described supporting mechanism (41) includes a support bar (411) respectively, the both ends of described pre-depression bar (42) can be installed in support bar (411) bottom of corresponding side respectively relative motion, each supporting mechanism (41) also includes the upper fixed block (412) being installed in corresponding described left plate (12) and described right plate (13) respectively and the lower fixed block (413) being positioned at fixed block (412) below, upper fixed block (412) offers the support bar loose slot (412a) of inwards opening, the upper end of support bar (411) is flush-mounted in support bar loose slot (412a), lower fixed block (413) is fitted with differential head (414), the upper end of differential head (414) to extend in support bar loose slot (412a) and abuts with support bar (411) upper end, above support bar (411) upper end, fine setting spring (415) is equiped with in support bar loose slot (412a), the bottom of fine setting spring (415) abuts with support bar (411) upper end.
6. a kind of keyboard electrical functionality test machine according to claim 5, it is characterized in that: fixed piece (412) offer the stopper slot (412b) of downward-extension, the upper end of described support bar (411) is fitted with latch (416), and latch (416) is flush-mounted in stopper slot (412b).
7. a kind of keyboard electrical functionality test machine according to claim 6, it is characterized in that: the corresponding described fine setting spring (415) in described support bar (411) upper end offers counterbore (411a), and the bottom of described fine setting spring (415) abuts with the bottom of counterbore (411a).
8. a kind of keyboard electrical functionality test machine according to claim 7, it is characterized in that: the lower surface of each described test platen (22) is equiped with slide block (213) respectively, the corresponding each slide block (213) of upper surface of described lower shoe (11) is equiped with the slide rail (214) extended before and after level respectively, and slide block (213) coordinates with corresponding slide rail (214).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410050173.4A CN103777101B (en) | 2014-02-13 | 2014-02-13 | A kind of keyboard electrical functionality test machine |
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| CN201410050173.4A CN103777101B (en) | 2014-02-13 | 2014-02-13 | A kind of keyboard electrical functionality test machine |
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| CN103777101A CN103777101A (en) | 2014-05-07 |
| CN103777101B true CN103777101B (en) | 2016-03-16 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106324492A (en) * | 2016-08-23 | 2017-01-11 | 苏州飞拓精密模具有限公司 | Keyboard function testing device |
| CN108555920A (en) * | 2018-03-09 | 2018-09-21 | 浙江工业大学 | A kind of cylinder type safety keystroke system |
| CN108247652A (en) * | 2018-03-09 | 2018-07-06 | 浙江工业大学 | A kind of safe keystroke system of electromagnet type |
| CN108389307A (en) * | 2018-03-11 | 2018-08-10 | 北京工业大学 | A kind of automatic lottery ticket ticket system |
| TWI685657B (en) * | 2019-06-24 | 2020-02-21 | 廣達電腦股份有限公司 | Automated keystroke device |
| CN110244147B (en) * | 2019-06-28 | 2021-05-04 | 哈尔滨巨浪科技有限公司 | Multifunctional instrument test bench |
| CN110726894B (en) * | 2019-11-20 | 2022-12-06 | 北京广利核系统工程有限公司 | Automatic testing device and method for multi-key electronic equipment |
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| US3758857A (en) * | 1971-12-23 | 1973-09-11 | A D Smith Corp | Automatic testing apparatus |
| CN201289518Y (en) * | 2008-10-27 | 2009-08-12 | 陈晏 | Keyboard detection device |
| CN201903627U (en) * | 2010-11-08 | 2011-07-20 | 陈晏 | A key testing device |
| CN202770964U (en) * | 2012-09-24 | 2013-03-06 | 陈晏 | Novel keyboard detection device |
| CN203551693U (en) * | 2013-10-30 | 2014-04-16 | 陈晏 | Key detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5672724B2 (en) * | 2010-03-10 | 2015-02-18 | 株式会社デンソー | Static test equipment |
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Patent Citations (5)
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|---|---|---|---|---|
| US3758857A (en) * | 1971-12-23 | 1973-09-11 | A D Smith Corp | Automatic testing apparatus |
| CN201289518Y (en) * | 2008-10-27 | 2009-08-12 | 陈晏 | Keyboard detection device |
| CN201903627U (en) * | 2010-11-08 | 2011-07-20 | 陈晏 | A key testing device |
| CN202770964U (en) * | 2012-09-24 | 2013-03-06 | 陈晏 | Novel keyboard detection device |
| CN203551693U (en) * | 2013-10-30 | 2014-04-16 | 陈晏 | Key detection device |
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Effective date of registration: 20160505 Address after: 523000 Guangdong city of Dongguan province Shijie Zhen Shui Nan Jia Ren Cun Chong Huan Dong Lu Nan 3 Building 2 floor Patentee after: DONGGUAN HONGYAO ELECTRONIC TECHNOLOGY CO.,LTD. Address before: 523290, No. 285, Chong Hwan East Road, Shijie Town, Dongguan, Guangdong Patentee before: Chen Yan |
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