CN204903716U - Keyboard test machine of feeling - Google Patents

Abstract

The utility model discloses a keyboard feel testing machine, which comprises a keyboard placement device, a test head assembly, a telescopic module, a base plate and a driving device; The test head of the fixed frame, the test head includes a spring column, a slider and a gravity sensor connected in sequence from top to bottom; the top of the spring column is fixed on the fixed frame, and the bottom end of the spring column is fixed on the top of the slider; The slide rail on the fixed frame is connected with the fixed frame, and the bottom end of the slider is supported by the limit block set on the fixed frame; the top end of the gravity sensor is fixed on the bottom end of the slider, and the bottom end of the gravity sensor is a free end. key in the keyboard to be tested. It is used to realize the automatic test feel performance of the keyboard under the premise of reducing manual participation, with a high degree of automation, accurate and efficient testing; through adjustment, it can test keyboards with different structures, which has strong versatility and can save the replacement cost of test equipment.

Description

Keyboard feel tester

technical field

The utility model relates to a testing device, in particular to a keyboard feel testing machine, which belongs to the technical field of keyboard automatic testing equipment.

Background technique

As the main input structure, keys are widely used in electronic products such as computer keyboards, mobile phones, and calculators; for electronic products such as computer keyboards, mobile phones, and calculators, keys must be tapped during work to make the key contacts conduct Disconnect to input letters, numbers, punctuation marks, etc. into the corresponding computer, mobile phone or calculator.

Therefore, whether the quality of the keyboard and its functions operate normally will directly affect the stability of the operation of the electronic equipment. At the same time, the direct operating unit in the keyboard is the key, so the quality test of the key is a crucial link for the keyboard. In the keyboard production process, the quality inspection of the finished keyboard must be carried out before production. It is necessary to hit each key to test its rebound and contact continuity and other test items.

However, at present, the testing of keyboard keys in the industry generally adopts manual or machine testing. The manual test method is to employ a large number of laborers to press each key on the keyboard one by one. There are many disadvantages in the manual test method: the operator needs to interact with the test software, and waits for the operator to press the key after the test software sends out the command; the test time is longer And the efficiency is low; the operator may make mistakes when pressing the button, and repeated tests are required many times; and the operator is prone to fatigue and slow work.

In the prior art, the method of testing keyboards by machine has been more and more widely used, but the existing automated keyboard testing equipment still has defects such as complex mechanical structure, difficult maintenance, poor versatility, and low positioning accuracy.

Utility model content

The main purpose of the utility model is to overcome the deficiencies in the prior art and provide a keyboard feel tester with a new structure, which is especially suitable for computer keyboards.

The technical problem to be solved by the utility model is to provide a keyboard feel testing machine with compact structure, convenient disassembly and assembly, easy manufacture, safety and reliability, and strong practicability, which is used to realize the automatic test feel performance of the keyboard under the premise of reducing manual participation. High degree of automation, accurate and efficient testing; keyboards with different structures can be tested through adjustment, strong versatility, saving replacement cost of testing equipment; and has industrial utilization value.

In order to achieve the above object, the technical solution adopted in the utility model is:

A keyboard feel testing machine, used for testing the feel performance of the keyboard of an electronic device, comprising: a keyboard placement device, used to place and hold the keyboard to be tested; a test head assembly, used to act on the keys in the keyboard to be tested; The group is used to suspend the test head assembly and adjust the distance; the base plate is used to fix the telescopic module; the driving device is used to drive the base plate to move in the directions of X-axis, Y-axis and Z-axis.

Wherein, the test head assembly includes several fixed frames vertically suspended at the bottom of the telescopic module, and a test head mounted on the fixed frame, and the test head includes a spring column, a slider and a gravity sensor connected in sequence from top to bottom. ; The top of the spring column is fixed on the fixed frame, and the bottom end of the spring column is fixed on the top of the slider; The limit block of the frame is supported; the top of the gravity sensor is fixed on the bottom of the slider, and the bottom of the gravity sensor is a free end, acting on the keys in the keyboard to be tested.

The utility model is further configured as follows: the fixed frame includes a bottom plate, and a fixed ring vertically arranged on the bottom plate; the spring column includes an outer cylinder and an inner cylinder that are sequentially fitted, and a spring that is internally arranged in the outer cylinder; The top end is fixed on the fixed ring, the top end of the inner cylinder is inserted into the bottom end of the outer cylinder and connected with the spring, and the bottom end of the inner cylinder penetrates into the top end of the slider and is fixed.

The utility model is further configured as follows: the keyboard placement device includes a keyboard placement platform, a slide rail arranged on the bottom surface of the keyboard placement platform, and a drive cylinder that drives the keyboard placement platform to slide along the slide rail to the directly below the test head assembly.

The utility model is further configured as follows: the telescopic module includes sequentially connected equal-distance adjustable shrinking gap modules and fixed-spacing translation modules; the shrinking gap module includes a base, and a telescopic frame located in the base , and drive the telescopic frame for equidistant adjustment and install the narrowing gap driver on one side of the base.

Moreover, the telescopic frame includes an X-shaped telescopic rod, a plurality of sliders fixed on the bottom surface of the X-shaped telescopic rod and distributed at equal intervals, and a suspension piece suspended from the bottom surface of the slider and extending out of the bottom surface of the base; the top surface of the base There is a groove for installing the X-shaped telescopic rod. A slider groove for the slider to slide is arranged axially in the middle of the groove, and a slider groove is opened in the axial direction through the bottom surface of the base for the sliding of the suspension piece. The base slideway, the suspension pieces are distributed side by side for hanging the fixed frame; the translation module includes an extension seat connected to the other side end of the base, and a translation driver installed on the extension seat, which is driven by the translation driver and distributed in the extension The hanging board directly below the seat; the hanging board is used for hanging several fixed frames with fixed intervals side by side.

The utility model is further configured as follows: the gap reduction module also includes a pressure plate arranged on the top surface of the base; the gap reduction driver and the translation driver are oppositely arranged, and both are through-type stepping motors with threaded rods.

The utility model is further configured as follows: the X-shaped telescopic rod includes at least two layers of connecting rod parts and connecting rod parts on the second layer that are connected in a stacked manner from top to bottom, and the connecting rod parts that pass through the first layer in turn The central axis of the member and the second layer of connecting rods.

Wherein, the first layer of connecting rods includes the first layer of head end connecting rods, the first layer of tail end connecting rods and several first layer of intermediate connecting rods distributed side by side at equal intervals, and the first layer of intermediate connecting rods is located at Between the first-layer head-end connecting rod and the first-layer tail-end connecting rod; the second-layer connecting rod includes the second-layer head-end connecting rod, the second-layer tail-end connecting rod and several The second layer of intermediate connecting rods, the second layer of intermediate connecting rods are located between the second layer of head end connecting rods and the second layer of tail end connecting rods; the first layer of intermediate connecting rods and the second layer of intermediate connecting rods The number is the same and the same length is set, and they are crossed and hinged at the center point in turn to form an X-shaped structure, and a central axis is vertically sleeved at the hinge at the center point.

Moreover, one end of the first layer of intermediate connecting rods at the beginning is hinged to one end of the second layer of the first end of the connecting rod, and the other end is hinged to one end of the adjacent second layer of intermediate connecting rods; The intermediate link, one end of which is hinged to one end of the second layer end link, and the other end is hinged to one end of the adjacent second layer intermediate link; the first layer intermediate link located between the beginning and the end, its The two ends are respectively hinged with the ends of the adjacent second-layer intermediate connecting rods.

At the same time, one end of the second layer of middle connecting rod at the beginning is hinged with one end of the first layer of head end connecting rod, and the other end is hinged with one end of the adjacent first layer of middle connecting rod; the second layer at the end is hinged. An intermediate link, one end of which is hinged to one end of the first layer end link, and the other end is hinged to one end of the adjacent first layer intermediate link; the other end of the first layer head end link is hinged to the second The other end of the connecting rod at the head end of the layer is hinged, the other end of the connecting rod at the end of the first layer is hinged with the other end of the connecting rod at the second layer, and a central shaft is vertically sleeved at the hinge; the sliding block is sleeved The number of the central shaft is the same as that of the central shaft, and the suspension piece is connected to the bottom end of the central shaft; the connecting rod at the first end of the second layer is connected with the gap reduction driver through a fixed connecting shaft, and the connecting rod at the end of the second layer Fasteners pass through the slider and are fixed in the groove.

The utility model is further set as: the driving device includes a Y-axis driving device, an X-axis driving device and a Z-axis driving device connected in sequence, and the Y-axis driving device includes a Y-axis servo motor, a Y-axis driving rod, a Y-axis sliding Seat, Y-axis slide rail, first connecting plate and fixed installation plate, the X-axis driving device includes X-axis servo motor, X-axis driving rod, X-axis sliding seat, X-axis slide rail and second connecting plate, the The Z-axis drive device includes a Z-axis servo motor, a Z-axis drive rod, a Z-axis sliding seat, a Z-axis slide rail and a fixed plate; the substrates are vertically distributed.

Wherein, the Z-axis servo motor is fixed on a fixed plate parallel to the substrate, one side of the fixed plate is connected to the substrate through the Z-axis slide rail, the other side is connected to the X-axis sliding seat and connected to the second axis through the X-axis slide rail. The connecting plate is connected, the Z-axis sliding seat is set on the Z-axis driving rod, the base plate is connected to the Z-axis sliding seat; the X-axis sliding seat is set on the X-axis driving rod, and the X-axis servo motor is installed on the second The connecting plate drives the X-axis driving rod through the first belt, the X-axis slide rails are distributed on both sides of the X-axis driving rod in parallel, the second connecting plate is parallel to the fixed plate, and the top of the second connecting plate is connected to The bottom surface of the first connecting plate; the Y-axis sliding seat is sleeved on the Y-axis driving rod, the top surface of the first connecting plate is connected with the Y-axis sliding seat and distributed directly under the Y-axis sliding seat, and the first The top surface of the connection plate is connected with the fixed mounting plate through the Y-axis slide rail, and the Y-axis slide rail is distributed on both sides of the Y-axis driving rod in parallel, and the Y-axis servo motor is installed on the fixed mounting plate and driven by the second belt Y-axis drive rod.

The utility model is further configured to: further include a frame, the frame includes a workbench and a support frame for supporting the workbench; the keyboard placing device is arranged on the workbench, and the driving device is installed on the workbench through a base.

The utility model is further configured to: further include a conveyor belt running through the support frame, for carrying the keyboard to be tested.

The utility model is further configured as: further comprising a test button, an electric control box, a display screen and an indicator light all arranged on the workbench, and the test button, display screen and indicator light are all connected with the electric control box.

Compared with the prior art, the utility model has the beneficial effects of:

Through the setting of the keyboard placement device, after the keyboard is placed, it is automatically input to the test head assembly to wait for the test, reducing manual participation and improving test efficiency; through the setting of the test head assembly, the gravity sensor is used to press the button to realize the touch test of the button. The test head assembly has high safety performance and long service life, which can greatly save costs, and the test is accurate and efficient; through the setting of the telescopic module, fast, accurate, and range-controllable gap adjustment can be achieved, and the purpose of wide application range can be achieved through adjustment. Keyboards with different structures can be tested, with strong versatility, convenient disassembly and maintenance, and easy replacement and maintenance; by setting the driving device that can drive the movement of the X-axis, Y-axis, and Z-axis, the test head assembly can be moved at any position. It is suitable for testing keyboards with different structures. It has a high degree of automation and can save the replacement cost of testing equipment.

The above content is only an overview of the technical solution of the utility model. In order to understand the technical means of the utility model more clearly, the utility model will be further described below in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the utility model keyboard feel testing machine;

Fig. 2 is the schematic diagram of the front view structure of the keyboard feel testing machine of the present invention;

Fig. 3 is the side view structure schematic diagram of the utility model keyboard feel testing machine;

Fig. 4 is the top structural schematic diagram of the keyboard feel tester of the present invention;

Fig. 5 is the perspective view of the overall layout of the keyboard feel testing machine of the present invention;

Fig. 6 is the front view of the overall layout of the keyboard feel testing machine of the present invention;

Fig. 7 is the schematic diagram of the three-dimensional structure of the telescopic module in the keyboard feel testing machine of the present invention;

Fig. 8 is a front view structural schematic diagram of the telescopic module in the keyboard feel testing machine of the present invention;

Fig. 9 is a perspective view of the base of the telescopic module in the keyboard feel testing machine of the present invention;

Fig. 10 is an exploded view of the telescopic frame of the telescopic module in the keyboard feel testing machine of the present invention;

Fig. 11 is the schematic diagram of the three-dimensional structure of the test head in the keyboard feel tester of the present invention;

Fig. 12 is the schematic structural view of the front view of the test head in the keyboard feel tester of the present invention;

Fig. 13 is a side view structural diagram of the test head in the keyboard feel tester of the present invention.

Detailed ways

Below in conjunction with accompanying drawing of description, the utility model is described further.

As shown in Figures 1 to 4, a keyboard feel testing machine is used to test the feel performance of the keyboard of an electronic device, comprising: a keyboard placement device 1 for placing and holding a keyboard 10 to be tested; a test head assembly 2 for Acting on the keys in the keyboard 10 to be tested; the telescopic module 3 is used to suspend the test head assembly 2 and adjust the distance; the substrate 4 is used to fix the telescopic module 3; the driving device 5 is used to drive the substrate 4 at X Axis, Y axis, Z axis direction movement.

As shown in Figures 5 to 6, the keyboard feel tester also includes a frame 6, and the frame 6 includes a workbench 61 and a support frame 62 for supporting the workbench 61; the keyboard placement device 1 is arranged on the workbench 61 , the driving device 5 is installed on the workbench 61 through the base 50 .

As shown in Figures 5 to 6, the keyboard feel testing machine also includes a conveyor belt 7 that runs through the support frame 62 for carrying the keyboard 10 to be tested, and also includes a test button 8 and an electric control box 9 that are all arranged on the workbench 61. , a display screen 91 and an indicator light 92, and the test button 8, the display screen 91 and the indicator light 92 are all connected to the electric control box 9.

As shown in Figures 1 to 4, the keyboard placement device 1 includes a keyboard placement platform 11, which is arranged on a slide rail 12 on the bottom surface of the keyboard placement platform 11, and drives the keyboard placement platform 11 to slide along the slide rail 12 to the front of the test head assembly 2. The drive cylinder 13 below. The keyboard 10 to be tested is placed on the keyboard placement table 11, and the test button is activated to automatically pull the keyboard placement table 11 into the directly below the test head assembly 2 by driving the cylinder 13. The keyboard 10 to be tested is located directly below the test head assembly 2 in the figure It is the state after slipping. After the test is completed, the keyboard placement table 11 is automatically sent out by the drive cylinder 13.

As shown in Figures 1 to 4, the drive device 5 includes a Y-axis drive device, an X-axis drive device, and a Z-axis drive device connected in sequence, and the Y-axis drive device includes a Y-axis servo motor 51, a Y-axis drive rod 511, Y-axis sliding seat 512, Y-axis sliding rail 513, first connecting plate 514 and fixed mounting plate 515, the X-axis driving device includes X-axis servo motor 52, X-axis driving rod 521, X-axis sliding seat 522, The X-axis slide rail 523 and the second connecting plate 524, the Z-axis driving device includes a Z-axis servo motor 53, a Z-axis drive rod 531, a Z-axis slide seat 532, a Z-axis slide rail 533 and a fixed plate 534; the substrate 4 is vertical distribution.

The Z-axis servo motor 53 is fixed on a fixed plate 534 parallel to the substrate 4. One side of the fixed plate 534 is connected to the substrate 4 through the Z-axis slide rail 533, and the other side is connected to the X-axis sliding seat 522 and passed through the X-axis. The slide rail 523 is connected to the second connecting plate 524 , the Z-axis sliding seat 532 is sleeved on the Z-axis driving rod 531 , and the base plate 4 is connected to the Z-axis sliding seat 532 .

The X-axis sliding seat 522 is set on the X-axis drive rod 521, the X-axis servo motor 52 is installed on the second connecting plate 524 and drives the X-axis drive rod 521 through the first belt 525, and the X-axis slide rail 523 is parallel to Distributed on both sides of the X-axis driving rod 521 , the second connecting plate 524 is parallel to the fixing plate 534 , and the top of the second connecting plate 524 is connected to the bottom surface of the first connecting plate 514 .

The Y-axis sliding seat 512 is set on the Y-axis driving rod 511, and the top surface of the first connecting plate 514 is connected with the Y-axis sliding seat 512 and distributed directly below the Y-axis sliding seat 512. The first connecting plate The top surface of 514 is connected to the fixed installation plate 515 through the Y-axis slide rail 513, and the Y-axis slide rail 513 is distributed on both sides of the Y-axis drive rod 511 in parallel, and the Y-axis servo motor 51 is installed on the fixed installation plate 515 and The Y-axis drive lever 511 is driven by the second belt 516 .

As shown in Figures 11 to 13, the test head assembly 2 includes several fixed frames 21 vertically suspended on the bottom of the telescopic module 3, and the test heads installed on the fixed frame 21, the test head includes from top to bottom The spring column 22, the slider 23 and the gravity sensor 24 are connected in sequence.

The top of described spring column 22 is fixed on fixed frame 21, and the bottom end of spring column 22 is fixed on the top of slide block 23; The bottom end of 23 is supported by the limit block 26 that is located at fixed frame 21; button in the .

The fixed frame 21 includes a bottom plate 211, and a fixed ring 212 vertically arranged on the bottom plate 211; the spring post 22 includes an outer cylinder 221 and an inner cylinder 222 that are sequentially fitted, and a spring (not shown in the figure) that is built in the outer cylinder 221 Out); the top of the outer cylinder 221 is fixed to the fixed ring 212, the top of the inner cylinder 222 is inserted into the bottom of the outer cylinder 221 and connected with the spring, the bottom of the inner cylinder 222 penetrates into the top of the slider 23 and fixed.

As shown in Figures 7 to 10, the telescopic module 3 includes sequentially connected equally spaced adjustable shrinking gap modules and fixed-spacing translation modules; the shrinking gap module includes a base 31, which is located at the base The telescopic frame 32 in 31, and the gap driver 33 that drives the telescopic frame 32 for equidistant adjustment and is installed on one side of the base 31; the translation module includes an extension seat 34 connected to the other side of the base 31, installed on The translation driver 35 of the extension seat 34 is driven by the translation driver 35 and distributed on the hanging plate 36 directly below the extension seat 34; the hanging plate 36 is used to hang several fixed frames 21 with fixed intervals side by side.

The gap reduction module 3 also includes a pressure plate 37 arranged on the top surface of the base 31; the gap reduction driver 33 and the translation driver 35 are oppositely arranged, and both are through-type stepping motors with threaded rods.

Described telescopic frame 32 comprises X-shaped telescopic rod 321, is fixed on the bottom surface of X-shaped telescopic rod 321 and several slide blocks 322 that are equally spaced, and hangs on the bottom surface of slide block 322 and extends the suspension piece 38 of base 31 bottom surface; The top surface of the base 31 is provided with a groove 311 for installing the X-type telescopic rod 321, and the middle axis of the groove 311 is provided with a slider groove 312 for the slider 322 to slide. A base slideway 313 is opened axially through the bottom surface of the base 31 for the sliding of the suspension pieces 38 ;

As shown in Figures 9 and 10, the X-shaped telescopic rod 321 includes at least two first-layer link members 323 and second-layer link members 324 that are stacked and connected from top to bottom, and pass through the The central axis 325 of the first link member 323 and the second link member 324 . The bottom surface of the second link member 324 can be connected to the third link member 326 in a stacked form, and the third link member 236 has the same structure and connection method as the first link member 323 .

The first layer of connecting rods 323 includes a first layer of head end connecting rods 3231, a first layer of tail end connecting rods 3232 and a number of first layer of intermediate connecting rods 3233 distributed side by side at equal intervals. The rod 3233 is located between the head-end connecting rod 3231 of the first layer and the tail-end connecting rod 3232 of the first layer; The tail end connects 3242 rods and several second-layer intermediate connecting rods 3243, and the second-layer intermediate connecting rods 3243 are located between the second-layer head-end connecting rods 3241 and the second-layer tail-end connecting rods 3242; the first layer The middle connecting rods 3233 of the first layer and the intermediate connecting rods 3243 of the second layer are arranged in the same number and have the same length, and are sequentially intersected and hinged at the center point to form an X-shaped structure, and the central shaft 325 is vertically sleeved at the hinged point of the center point.

The first layer of intermediate links 3233 located at the starting end, one end of which is hinged to one end of the second layer of the first link 3241, and the other end is hinged to one end of the adjacent second layer of intermediate links 3243; Layer intermediate link 3233, one end of which is hinged to one end of the second layer end link 3242, and the other end is hinged to one end of the adjacent second layer intermediate link 3243; in the middle of the first layer between the beginning and the end The two ends of the connecting rod 3233 are respectively hinged with the ends of the adjacent second-layer middle connecting rod 3243 .

The second layer of intermediate links 3243 at the beginning, one end of which is hinged to one end of the first layer of first link 3231, and the other end is hinged to one end of the adjacent first layer of intermediate links 3233; Layer intermediate link 3243, one end of which is hinged with one end of the first layer end link 3232, and the other end is hinged with one end of the adjacent first layer intermediate link 3233; the first layer head end link 3231 The other end is hinged with the other end of the second layer head end link 3241, the other end of the first layer end link 3232 is hinged with the other end of the second layer end link 3242 and is vertically sleeved with a center at the hinge. Shaft 325.

The slider 322 is sleeved on the central shaft 325, and has the same number as the central shaft 325, and the suspension piece 38 is connected to the bottom end of the central shaft 325; (not shown in the figure) is connected to the shrinkage gap driver 33, and the second-layer end link 3242 is fixed in the groove 311 through the slider 322 through a fastener (not shown in the figure).

The innovation of the utility model lies in that it is used to realize the automatic test of the hand feeling performance of the keyboard under the premise of reducing manual participation, with a high degree of automation and accurate and efficient testing; keyboards with different structures can be tested through adjustment, and the versatility is strong, thereby Save on test equipment replacement costs.

The above are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Any Those who are familiar with this profession, without departing from the scope of the technical solutions of the present utility model, can use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes, but all without departing from the technical solutions of the present utility model The content of the scheme, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims (10)

1. a keyboard-hand sensing test-run a machine, for the hand feel performance of the keyboard of testing electronic devices, is characterized in that, comprising:

Keyboard apparatus for placing, for placing and fixing keyboard to be tested;

Measuring head assembly, for acting on the button in keyboard to be tested;

Flexible module, regulates for hanging measuring head assembly line space of going forward side by side;

Substrate, for fixing flexible module;

Drive unit, moves in X-axis, Y-axis, Z-direction for driving substrate;

Described measuring head assembly comprises several vertical hangings in the fixed mount of flexible module bottom and the measuring head being installed on fixed mount, and described measuring head comprises the spring stack, slide block and the gravity sensor that are connected successively from top to bottom;

Fixed mount is fixed on the top of described spring stack, and the top of slide block is fixed in the bottom of spring stack; Described slide block is connected with fixed mount by the slide rail being located at fixed mount, and the bottom of slide block is obtained by the limited block being located at fixed mount and supports; The bottom of slide block is fixed on the top of described gravity sensor, and the bottom of gravity sensor is free end, the button acted in keyboard to be tested.

2. keyboard-hand sensing test-run a machine according to claim 1, is characterized in that: described fixed mount comprises base plate, is vertically installed in the set collar of base plate; Described spring stack comprises the urceolus and inner core that are set with successively, and in be located at the spring of urceolus;

Set collar is fixed on the top of described urceolus, the top of described inner core be inserted in the bottom of urceolus and be connected with spring, top into slide block is run through in the bottom of inner core and fixing.

3. keyboard-hand sensing test-run a machine according to claim 1, it is characterized in that: described keyboard apparatus for placing comprises keyboard mounting table, be arranged at the slide rail of keyboard mounting table bottom surface, drive keyboard mounting table to slide onto the driving cylinder immediately below measuring head assembly along slide rail.

4. keyboard-hand sensing test-run a machine according to claim 1, is characterized in that: described flexible module comprises the contracting gap module of the equidistant adjustable type be connected successively, and the fixed translation module of spacing;

Described contracting gap module comprises base, is arranged in the flexible framework of base, and drives flexible framework equidistantly regulate and be installed on the contracting backlash drive of base one side;

Described flexible framework comprises X-type expansion link, is fixed on X-type expansion link bottom surface and several slide blocks of equidistantly distribution, and hangs on slide block bottom surface and extend the suspension sheet of base end face; The end face of described base is provided with the groove installing X-type expansion link, described groove intermediate shaft is to the slide block slot be provided with for slide block slippage, offer vertically in described slide block slot and run through base end face for the base slideway hanging sheet slippage, described suspension sheet distributes side by side for hanging/fixing rack;

Described translation module comprises the extending seat be connected with another side of base, is installed on the translation actuators of extending seat, is driven and be distributed in the link plate immediately below extending seat by translation actuators; Described link plate is used for the fixing fixed mount of several spacing of hanging side by side.

5. keyboard-hand sensing test-run a machine according to claim 4, is characterized in that: described contracting gap module also comprises the pressing plate being arranged at base top surface; Described contracting backlash drive and translation actuators are oppositely arranged, be the penetration type stepper motor running through and have screw mandrel.

6. keyboard-hand sensing test-run a machine according to claim 4, it is characterized in that: described X-type expansion link comprises ground floor link member and the second layer link member of stacked connected at least two-layer distribution from top to bottom, and penetrates the central shaft of ground floor link member and second layer link member successively;

Described ground floor link member comprises the ground floor head end connecting rod, ground floor tail end connecting rod and several ground floor intermediate connecting rods that equidistantly distribute side by side, and described ground floor intermediate connecting rod is between ground floor head end connecting rod and ground floor tail end connecting rod; Described second layer link member comprises the second layer head end connecting rod, second layer tail end connecting rod and several second layer intermediate connecting rods that equidistantly distribute side by side, and described second layer intermediate connecting rod is between second layer head end connecting rod and second layer tail end connecting rod; The all isometric setting identical with the quantity of second layer intermediate connecting rod of described ground floor intermediate connecting rod, and pass crosswise central point hinged formation X-type structure successively, in central point hinged place, vertical sleeve is equipped with central shaft;

Be positioned at the ground floor intermediate connecting rod at top, one end of its one end and second layer head end connecting rod is hinged, one end of the other end and adjacent second layer intermediate connecting rod is hinged; Be positioned at the ground floor intermediate connecting rod of end, one end of its one end and second layer tail end connecting rod is hinged, one end of the other end and adjacent second layer intermediate connecting rod is hinged; Ground floor intermediate connecting rod between top and end, its two ends are hinged with the end of adjacent second layer intermediate connecting rod respectively;

Be positioned at the second layer intermediate connecting rod at top, one end of its one end and ground floor head end connecting rod is hinged, one end of the other end and adjacent ground floor intermediate connecting rod is hinged; Be positioned at the second layer intermediate connecting rod of end, one end of its one end and ground floor tail end connecting rod is hinged, one end of the other end and adjacent ground floor intermediate connecting rod is hinged; The other end of described ground floor head end connecting rod and the other end of second layer head end connecting rod are hinged, and the other end of described ground floor tail end connecting rod and the other end of second layer tail end connecting rod are hinged and in hinged place vertical sleeve, central shaft are housed;

Described slide block set is located at central shaft, identical with central shaft quantity, and described suspension sheet is connected with the bottom of central shaft; Described second layer head end connecting rod is connected with contracting backlash drive by the coupling shaft that is connected, and described second layer tail end connecting rod runs through slide block by securing member and is fixed in groove.

7. keyboard-hand sensing test-run a machine according to claim 1, it is characterized in that: described drive unit comprises the Y-axis drive unit, X-axis drive unit and the Z axis drive unit that are connected successively, described Y-axis drive unit comprises Y-axis servomotor, Y-axis driving stem, Y-axis sliding seat, Y-axis slide rail, the first web joint and mounting plate, described X-axis drive unit comprises X-axis servomotor, X-axis driving stem, X-axis sliding seat, X-axis slide rail and the second web joint, and described Z axis drive unit comprises Z axis servomotor, Z axis driving stem, Z axis sliding seat, Z axis slide rail and fixed head; Described substrate is vertical distribution;

Described Z axis servomotor is fixed on the fixed head paralleled with substrate, the one side of described fixed head is connected with substrate by Z axis slide rail, another side is connected with X-axis sliding seat and passes through X-axis slide rail and is connected with the second web joint, described Z axis sliding base sleeve is loaded on Z axis driving stem, and described substrate is connected with Z axis sliding seat;

Described X-axis sliding base sleeve is loaded on X-axis driving stem, described X-axis servomotor is installed on the second web joint and by the first belt drives X-axis driving stem, the parallel both sides being distributed in X-axis driving stem of described X-axis slide rail, described second web joint parallels with fixed head, and the top of the second web joint is connected to the bottom surface of the first web joint;

Described Y-axis sliding base sleeve is loaded on Y-axis driving stem, the end face of described first web joint is connected with Y-axis sliding seat and is distributed in immediately below Y-axis sliding seat, the end face of described first web joint is connected with mounting plate by Y-axis slide rail, the parallel both sides being distributed in Y-axis driving stem of described Y-axis slide rail, described Y-axis servomotor is installed on mounting plate and by the second belt drives Y-axis driving stem.

8. keyboard-hand sensing test-run a machine according to claim 1, it is characterized in that: also comprise frame, described frame comprises the bracing frame of worktable and support table; Described keyboard apparatus for placing is arranged at worktable, and described drive unit is installed on worktable by pedestal.

9. keyboard-hand sensing test-run a machine according to claim 8, is characterized in that: also comprise the conveying belt running through bracing frame, for carrying keyboard to be tested.

10. keyboard-hand sensing test-run a machine according to claim 8, is characterized in that: also comprise the testing button be all located on worktable, electric cabinet, display screen and pilot lamp, described testing button, display screen are all connected with electric cabinet with pilot lamp.