CN101968400A - Trace ball testing device and testing method thereof - Google Patents
Trace ball testing device and testing method thereof Download PDFInfo
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- CN101968400A CN101968400A CN 201010120638 CN201010120638A CN101968400A CN 101968400 A CN101968400 A CN 101968400A CN 201010120638 CN201010120638 CN 201010120638 CN 201010120638 A CN201010120638 A CN 201010120638A CN 101968400 A CN101968400 A CN 101968400A
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Abstract
The invention discloses a fully automatic mobile phone trace ball life testing device. The device is characterized by comprising a table, two rolling life testing stations and two pressing life testing stations, wherein rolling test and pressing test can be performed individually; and the speed and the pressure of the test can be adjusted according to test requirements. The invention also discloses a method for testing the rolling life and pressing life of a trace ball. The method sequentially comprises the following steps of: calculating a parameter to be set; adjusting setting of the testing device according to the calculated parameter; starting the device to automatically finish the testing of specified action; and automatically stopping after testing. Through the device and the method, automatic testing of the life of the trace ball can be conveniently finished, the problem that the related special testing device is not provided at present is solved, and the design and the production quality of related products produced by using the trace ball can be improved.
Description
Technical field:
Patent of the present invention relates in a kind of mobile phones design process, is used to verify the pick-up unit and the method in the serviceable life of trace ball.
Background technology:
Trace ball is employed in computer mouse, and stature is bigger, along with the design of trace ball volume diminishes gradually, and some notebook computers, net book, handheld game machine is all brought into use.At present, adopted the structural design of trace ball in the novel mobile phones design.
For the personal hand-held equipments such as mobile phone that have trace ball, in daily use, the most frequent parts that trace ball will be used by the user.In order to verify that can the trace ball of selecting for use satisfy the index of aging of design, avoided selecting for use poor quality's trace ball, will cause a large amount of costs of reprocessing.For this reason, need carry out the test in serviceable life to guarantee its reliability to trace ball.
The domestic life experiment equipment that does not have trace ball at present.The past client mainly relies on supplier's quality guarantee, so generally all adopt the import device, such as Panasonic's trace ball, cost is than higher.Along with the mobile phone intensified competition, fall cost and need consider homemade trace ball, the rubber emery wheel that the producer that has attempts relying on a fractional motor to drive contacts with the trace ball surface, driving trace ball rolls, for the rotating speed of reality with all can't hold accurately the pressure of trace ball, thereby cause the otherness of test result very big.
Summary of the invention:
The objective of the invention is to solve the present situation of present Special Automatic testing tool of shortage microsatellite locus ball life-span and method, a kind of trace ball endurance testing device and method are provided, the operation scenario that simulation is actual, pressure as requested, the rotating speed and the click speed of regulation are finished life test, improve the precision of test, strengthen the accuracy of test.
Content of the present invention comprises proving installation and two parts of method of testing:
A kind of automatic testing equipment of trace ball special use.This equipment has test pressure to be set, and test speed is set and station regulatory function flexibly, is applicable to the trace ball equipment of various sizes.
This equipment comprises a stage body, four lift stations that are used for fixing sample, two are used for test trails ball rolling life-span rolling measuring head, two are used to test the measuring head of pushing of pushing the life-span, two bunchers, two measuring head bearings, a pressure gauge, a velocity gauge and two timers.
Described lift station is fixed on above the stage body, and the anchor clamps on the station can be regulated and use the fixing test sample; Lifting table has altitude scale, is used for accurate location.
Described rolling and push measuring head and be separately fixed at and roll and push the test station top is fixed on the stage body by rotating shaft and bearing.
Described two bunchers are separately fixed on two bearings, have rotating speed and turn to adjusting gear, be respectively two kinds of measuring heads by the synchronizing wheel system power is provided.
Described rolling measuring head is the roller of different size, is fixed in the rotating shaft, drives trace ball by the contact friction force with trace ball and rolls under certain pressure, and rotating shaft is passed through the synchronizing wheel system by driven by motor.
The described measuring head of pushing is made up of a form of a stroke or a combination of strokes pressure head and a cam that has spring assembly.Pressure head is fixed on the bearing, and inner spring one end is fixed on the pressure head bottom, and an end is fixed on pressure head motion bar upper end; Cam is fixed in the rotating shaft, and cam rotation is pushed motion bar and moved down, and relies on the elastic force of the spring motion bar of upspringing in extreme lower position, and simulation is to the push action of trace ball, and the size of pressure can be determined the displacement that presses down of trace ball by adjusting motion bar.
Described pressure is counted independent third party's instrument, can be placed on the worktable, and surveying work pressure is as the foundation of pressure parameter adjustment in the test.
Described rotating speed is counted independent third party's instrument, is used to measure the rotating speed of measuring head, as the adjustment foundation of motor speed.
Described timer is controlled the running of two motors respectively, and triggers alerting signal.
A kind of trace ball is rolled and is pushed the method for life test.Method of testing step of the present invention is as follows:
For trace ball rolling life test:
Step 1 is followed the roller of selecting appropriate size according to the specification of sample;
Step 2 is adjusted rotating speed of motor, and uses the rotating speed of velocity gauge monitoring roller, up to the rotating speed V that reaches regulation;
Step 3 is according to formula T=C/[V* (R1/R2)] calculate needed test duration T, wherein C represents the test request number of times, and V is the rotating speed of regulation, and R1 and R2 represent the diameter of roller and tested trace ball sample respectively;
Step 4 is fixed on pressure gauge on the worktable, adjusts the height of worktable, makes the pressure of pair of rollers sample reach test request;
Step 5 is fixed to sample on the worktable, and adjusts to the test position that step 4 is determined;
Step 6 is that T and starting outfit begin test with the time set of the life-span timer that rolls;
Step 7, behind the predetermined timing time T of arrival, equipment stops automatically, and test is finished.
Push life test for trace ball
Step 1 is adjusted rotating speed of motor, and uses the rotating speed of velocity gauge monitoring cam, up to the rotating speed V that reaches regulation;
Step 2 is calculated the test required time according to formula T=C/V, and wherein T represents to test required time, and C is the test request number of times, and V is a rotating speed;
Step 3 is placed on pressure gauge on the worktable, follows according to test request, adjusts the height of worktable, makes the pressure head motion bar produce the pressure that needs in minimum point, notes the position of worktable test point;
Step 4 is fixed to sample on the worktable, and adjusts to the test position that step 3 is determined;
Step 6 is that T and starting outfit begin test with the time set of pushing the life-span timer;
Step 7, behind the predetermined timing time T of arrival, equipment stops automatically, and test is finished.
Technical matters solved by the invention and useful achievement
The present invention is directed to the situation of present shortage at the trace ball life-span special test device of digital equipments such as mobile phone, designed the proving installation of complete simulation track ball rolling and pressing operation behavior on an equipment simultaneously, improve the automaticity and the accuracy of life test, be beneficial to the product of designing high reliability.
Proving installation of the present invention does not adopt the automation controller spare of complex and expensive, only uses conventional motor, relays etc. just can be adjusted the pressure of test, crucial test parameter such as speed eaily, automatically finish the life test of trace ball, with low cost, easy to use.By changing measuring head, can test the sample of different shape specification, applicability is wide, the testing efficiency height.
Description of drawings
Fig. 1 is the front elevation of apparatus of the present invention;
Fig. 2 is the side view of apparatus of the present invention;
Fig. 3 is the vertical view of apparatus of the present invention;
Fig. 4 is the synoptic diagram of pushing measuring head of apparatus of the present invention.
Being labeled as in the accompanying drawing:
The 101-stage body; 102 ~ 105-lift worktable; 106 ~ 107-rolling measuring head; 108 ~ 109-pushes measuring head; 110 ~ 111-machine governor; 112 ~ 113-motor steering is adjusted switch; 114 ~ 115-timer; 116 ~ 117-bearing; 201 ~ 202-buncher; 301-synchronizing wheel system; The 401-cam; The 402-spring; The 403-motion bar.
Embodiment
As shown in Figure 1, be an embodiment of proving installation of the present invention, Fig. 2, Fig. 3 are respectively its vertical view and side view.The inventive system comprises: stage body (101), lift worktable (102 ~ 105), rolling measuring head (106 ~ 107), push measuring head (108 ~ 109), buncher (201,202), machine governor (110,112), motor steering is adjusted switch (112,113), power transmission is undertaken by synchronizing wheel system (301).Drive the synchronizing wheel system by buncher, power is sent to rolling respectively and pushes the test rotating shaft, the measuring head of band is carried out test action.
Wherein press head structural representation such as Fig. 4 comprise: cam (401), spring (402), motion bar (403).The cam rotation of test rotating shaft band, cam whenever circles and presses down motion bar once, mentions motion bar then under the elastic force of spring, finishes and once pushes test action.
Below to carrying out the rolling of trace ball under the proving installation of the present invention and pushing the method for testing in life-span and describe in detail respectively.
When rolling life test, at first determine the conditional parameter that test needs, comprise the diameter R1 of used roller and the diameter R2 of trace ball to be measured, the p-wire speed V that requires, the testing time C and the test pressure P that require, calculate rotating speed of motor R according to formula R=V/ (2P π R1), according to T=C/[V* (R1/R2)] the needed test duration T of calculating; Test according to following steps then:
Step 1 is installed in the rolling measuring head of selecting in the test rotating shaft;
Step 2 is adjusted rotating speed of motor, and uses the rotating speed of velocity gauge monitoring roller, up to the rotating speed R that reaches regulation;
Step 3 is fixed on pressure gauge on the worktable, adjusts the height of worktable, makes that the pressure when the pair of rollers pressure gauge rolls reaches P, notes the position of worktable test surfaces;
Step 4 is fixed to testing sample on the worktable, and adjusts to the test position that step 4 is determined;
Step 5 if test two samples simultaneously, adopts step 3 and 4 same methods to adjust pressure and position;
Step 5 is T with the time set of the life-span timer that rolls, and selects suitable motor steering by pole changer 112, starts buncher 110;
Step 6, the motor-driven synchronizing wheel rotates, and synchronizing wheel drives two test rotating shafts of rolling simultaneously and rotates, and roller trace ball by the friction force band under the drive of rotating shaft is rotated;
Step 7, behind the predetermined timing time T of arrival, timer sends signal automatically, and equipment stops automatically, and test is finished.
When pushing life test, equally at first determine the conditional parameter that test needs, comprise the testing time C of requirement, test frequency R (being rotating speed of motor) and test pressure P, calculate needed test duration T according to formula T=C/R, test according to following steps then:
Step 1 is adjusted the rotating speed of motor 111, and uses the rotating speed of velocity gauge monitoring cam, up to the rotating speed R that reaches regulation;
Step 2 is fixed on pressure gauge on the worktable, follows according to test request, adjusts the height of worktable, makes that the pressure head motion bar is P at the pressure that minimum point produces, and notes the position of worktable test point;
Step 3 is fixed to sample on the worktable, and adjusts to the test position that step 3 is determined;
Step 5 if test two samples simultaneously, adopts step 2 and 3 same methods to adjust pressure and position;
Step 6 is T with the time set of pushing the life-span timer, selects suitable turning to by pole changer 113, starts buncher 111;
Step 7, the motor-driven synchronizing wheel rotates, synchronizing wheel drives two simultaneously and pushes test rotating shaft rotation, cam is under the drive of rotating shaft, revolution moves a week, press down motion bar and produce the pressure that trace ball is produced setting, under the recovery elastic force effect of spring, lift motion bar then, finish once complete push action to the position of adjusting;
Step 7, behind the predetermined timing time T of arrival, timer sends signal automatically, and equipment stops automatically, and test is finished.
More than two kinds of tests availablely carry out simultaneously, do not disturb mutually.
By the foregoing description, can be well understood to technical scheme of the present invention.But the above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.Though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, anyly know those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.Protection scope of the present invention should be as the criterion with the record of claims.
Claims (8)
1. the trace ball automatic testing equipment in the life-span and the life-span of pushing that rolls, it is characterized in that: this device comprises a stage body, two rolling life test stations are pushed the life test station for two.Wherein:
Stage body is used for fixing test station, and various gauge tap are installed, and the operation setting interface is provided, the operation of control proving installation;
Rolling life test station is used for the rolling life test of trace ball, each test station has a test rotating shaft, rolling measuring head and a worktable are formed, and by two tests of same driven by motor rotating shaft, drive the test of rolling of two measuring heads respectively;
Push the life test station and be used for the life test of pushing of trace ball, each test station has a test rotating shaft, push measuring head and a worktable composition,, drive two measuring heads respectively and push test for one by two tests of same driven by motor rotating shaft.
2. stage body according to claim 1 is characterized in that: be placed on and be fixed on the stage body.Stage body one side is a trace ball rolling endurance testing device, can test two samples simultaneously; The stage body opposite side is that trace ball is pushed endurance testing device, can test two samples simultaneously.
3. rolling test station according to claim 1 is characterized in that:
The rolling measuring head is the roller that can change as required, and roller is fixed in the rotating shaft, and rotating shaft is by motor-driven, and rotating shaft drives roller and rotates, and roller drives the trace ball rotation by friction force and finishes the rolling test action;
Worktable is that liftable is regulated, and sample is fixed on the worktable, by regulating the height of worktable, regulates the pressure of rolling measuring head to trace ball, makes trace ball roll under the pressure of regulation.
4. the test station of pushing according to claim 1 is characterized in that:
Pushing measuring head is made up of a cam and a motion bar pressure head that is with spring, cam is fixed in the test rotating shaft, motor-driven rotatable shaft is rotated, the cam rotation of rotating shaft band, when the protrusion position of cam is rolled to minimum point, the motion bar pressure head that is with spring is depressed, when the protrusion position of cam during not in minimum point, spring is upspring the motion bar pressure head, and a moving week of revolution is finished a push action to the trace ball in the test;
Worktable is that liftable is regulated, and sample is fixed on the worktable, to the pressure of trace ball, makes trace ball accept to push under the pressure of regulation when pushing measuring head and be rolled to minimum point at the protrusion position of cam by adjusting the height of worktable, regulating.
5. a kind of trace ball of proving installation according to claim 1 is rolled and is pushed the method for testing in life-span, it is characterized in that this method comprises the steps:
When rolling life test,
Step 1, determine the conditional parameter that test needs, conditional parameter comprises the diameter R1 of roller measuring head and the diameter R2 of trace ball, the p-wire speed V that requires, testing time C and test pressure P, calculate rotating speed of motor R according to formula R=V/ (2P π R1), according to T=C/[V* (R1/R2)] the needed test duration T of calculating;
Step 2 is selected suitable measuring head roller, adjusts rotating speed of motor, and uses the rotating speed of velocity gauge monitoring roller, up to the rotating speed R that reaches regulation;
Step 3 is fixed on pressure gauge on the worktable, adjusts the height of worktable, makes that the pressure when the pair of rollers pressure gauge rolls reaches P, notes the position of worktable test surfaces;
Step 4 is fixed to testing sample on the worktable, and adjusts to the test position that step 4 is determined;
Step 6 is T with the time set of the life-span timer that rolls, and selects suitable motor steering by pole changer, starts buncher;
Step 7, the motor-driven synchronizing wheel rotates, and drives two test rotating shafts of rolling and rotates, and the roller pressure head drives trace ball by friction force and rotates under the drive of rotating shaft;
Step 8, behind the predetermined timing time of arrival, timer sends signal automatically, and equipment stops automatically, and test is finished.
When pushing life test,
Step 1 is determined the conditional parameter that test needs, and comprises the testing time C of requirement, and test frequency R (being rotating speed of motor) and test pressure P calculate needed test duration T according to formula T=C/R;
Step 2 is adjusted rotating speed of motor, and uses the rotating speed of velocity gauge monitoring cam, up to the rotating speed that reaches regulation;
Step 3 is fixed on pressure gauge on the worktable, follows according to test request, adjusts the height of worktable, makes the pressure head motion bar produce the pressure of stipulating in minimum point, notes the position of worktable test point;
Step 4 is fixed to sample on the worktable, and adjusts to the test position that step 3 is determined;
Step 5 is T with the time set of pushing the life-span timer, starts buncher;
Step 7, the motor-driven synchronizing wheel rotates, and synchronizing wheel drives two simultaneously and pushes test rotating shaft rotation, and cam is under the drive of rotating shaft, and revolution moves a week, finishes once complete push action;
Step 8, behind the predetermined timing time T of arrival, timer sends signal automatically, and equipment stops automatically, and test is finished.
6. method of testing according to claim 6 is characterized in that:
The pressure adjustment of rolling test and pushing test all is by adjusting the height of worktable, and the pressure of adjusting the test surface of contact reaches, and its pressure index is to draw by third-party manometry.
7. method of testing according to claim 6 is characterized in that:
The rotating speed adjustment of testing and pushing test of rolling all is to realize that by the rotating speed of adjusting buncher its rotating speed is to draw by third-party manometry.
8. method of testing according to claim 6 is characterized in that:
Roll test test speed and push the testing time of test, all be converted into the test duration and control by formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010120638 CN101968400A (en) | 2010-03-10 | 2010-03-10 | Trace ball testing device and testing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010120638 CN101968400A (en) | 2010-03-10 | 2010-03-10 | Trace ball testing device and testing method thereof |
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| CN101968400A true CN101968400A (en) | 2011-02-09 |
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| CN 201010120638 Pending CN101968400A (en) | 2010-03-10 | 2010-03-10 | Trace ball testing device and testing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103699468A (en) * | 2013-12-31 | 2014-04-02 | 上海亨井联接件有限公司 | Automatic mouse testing equipment and automatic mouse testing method |
| CN105258930A (en) * | 2015-10-26 | 2016-01-20 | 昆山洺九机电有限公司 | Measuring head pressure adjusting base |
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| US4596154A (en) * | 1983-09-22 | 1986-06-24 | Siemens Aktiengesellschaft | Testing procedure and apparatus for manufacturing of electrical drives with low output RPM |
| EP0481936A2 (en) * | 1990-10-17 | 1992-04-22 | MELCHIORRE OFFICINA MECCANICA S.r.l. | Method of and apparatus for continuously controlling the pressure applied on workpieces in a double-plate lapping machine |
| CN1645156A (en) * | 2005-01-14 | 2005-07-27 | 史珺 | Automatic rotary button detecting method and apparatus |
| CN101162248A (en) * | 2007-06-22 | 2008-04-16 | 上海优立通信技术有限公司 | Press keys and touch screen testing device |
| CN201269815Y (en) * | 2008-09-25 | 2009-07-08 | 英业达股份有限公司 | Roller key testing machine |
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2010
- 2010-03-10 CN CN 201010120638 patent/CN101968400A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4596154A (en) * | 1983-09-22 | 1986-06-24 | Siemens Aktiengesellschaft | Testing procedure and apparatus for manufacturing of electrical drives with low output RPM |
| EP0481936A2 (en) * | 1990-10-17 | 1992-04-22 | MELCHIORRE OFFICINA MECCANICA S.r.l. | Method of and apparatus for continuously controlling the pressure applied on workpieces in a double-plate lapping machine |
| CN1645156A (en) * | 2005-01-14 | 2005-07-27 | 史珺 | Automatic rotary button detecting method and apparatus |
| CN101162248A (en) * | 2007-06-22 | 2008-04-16 | 上海优立通信技术有限公司 | Press keys and touch screen testing device |
| CN201269815Y (en) * | 2008-09-25 | 2009-07-08 | 英业达股份有限公司 | Roller key testing machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103699468A (en) * | 2013-12-31 | 2014-04-02 | 上海亨井联接件有限公司 | Automatic mouse testing equipment and automatic mouse testing method |
| CN105258930A (en) * | 2015-10-26 | 2016-01-20 | 昆山洺九机电有限公司 | Measuring head pressure adjusting base |
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