CN202158968U - Multi-station linear reciprocation simulation and fatigue service life test bench - Google Patents

Multi-station linear reciprocation simulation and fatigue service life test bench Download PDF

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Publication number
CN202158968U
CN202158968U CN2011202057720U CN201120205772U CN202158968U CN 202158968 U CN202158968 U CN 202158968U CN 2011202057720 U CN2011202057720 U CN 2011202057720U CN 201120205772 U CN201120205772 U CN 201120205772U CN 202158968 U CN202158968 U CN 202158968U
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China
Prior art keywords
forth movement
straight line
life test
simulation
multistation
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Expired - Fee Related
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CN2011202057720U
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Chinese (zh)
Inventor
聂大华
彭宪辉
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Huizhou TCL Mobile Communication Co Ltd
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Huizhou TCL Mobile Communication Co Ltd
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Abstract

The utility model discloses a multi-station linear reciprocation simulation and fatigue service life test bench which comprises a platform for carrying workpieces, and reciprocating motion heads arranged thereabove. More than two areas for placement of the workpieces are disposed on the platform. Each reciprocating motion head is correspondingly arranged over each area. All reciprocating motion heads are fixed on a reciprocating motion support. The reciprocating motion support is connected with a follow-up device. The follow-up device is provided with an eccentric wheel. The reciprocating motion heads are driven by the eccentric wheel to move to and fro. The eccentric wheel and the follow-up device are adopted, such that the circumference rotation of the eccentric wheel is converted to the to-and-fro rectilinear motion of the plurality of reciprocating motion heads. The accurate detection of the rotating speed of the adjustable eccentric wheel helps to accurately control the motion parameters of the reciprocating motion heads, thereby simulating a reciprocating motion test. Moreover, the test bench of the utility model helps to avoid a problem that the motion reliability of a conventional pneumatic test bench is affected due to instability of air flow amount, and enables the time for a fatigue service life test to be saved and the test efficiency to be improved.

Description

A kind of multistation straight line comes and goes simulation and fatigue life test stand
Technical field
The utility model relate to slip lid class mobile phone or its associated electrical product and parts straight line back and forth movement simulation and fatigue lifetime reliability testing equipment field, in particular, improving what relate to is that a kind of multistation straight line comes and goes simulation and fatigue life test stand.
Background technology
In the process of producing slip lid class mobile phone or its associated electrical product and parts in batches, for the regulation of ensuring the quality of products in industry have straight line come and go simulation and fatigue lifetime testing standard.The existing straight line of testing comes and goes simulation and fatigue life test machine is essentially pneumatic type; Main pattern is two pneumatic types that a cylinder is respectively established in single station both sides; Its principle of work is: through the speed of each unidirectional cylinder action of difference regulating and controlling; Control the speed of unidirectional linearly operating, and then regulate the frequency that the simulation two-way linear comes and goes action.
But the testing machine of pneumatic type needs source of the gas to drive, and is inconvenient to move the place and tests, and produces waste gas and noise during the cylinder action, influences breadboard air and environment; Pneumatic component is because of the influence with air pressure airshed and the action of peripheral pneumatic element, and the instability of ubiquity responsiveness influences the trustworthiness of moving, and influence the continuation of test the serviceable life of pneumatic element, also influences the tightness of test findings; If two cylinder speed debugging are asynchronous, or the instability of air pressure, then can influence the speed that successively move both sides, form interference and collision, and cause damage of product; And mostly existing testing machine is single station test, and a testing apparatus only can be tested a product or its parts; What is more important, gas are compressible fluids, cause the speed of cylinder action to detect and to show with parameter; Thereby be difficult to accurately detect and regulate the frequency that the control straight line comes and goes action; Make the action of test lack tightness, the test period is long, and progress is slow.
Therefore, prior art still haves much room for improvement and develops.
The utility model content
The purpose of the utility model is, provides a kind of multistation straight line to come and go simulation and fatigue life test stand, can the lifting action parameter of back and forth movement head accurately be detected and control, and shortens the time of fatigue life test, improves the efficient of test.
The technical scheme of the utility model is following: a kind of multistation straight line comes and goes simulation and fatigue life test stand, the back and forth movement head that comprises the platform that is used for the bearing test workpiece and be arranged on the workpiece top; Wherein, platform is provided with the zone that is used to place test piece more than two; Each equal correspondence in regional top is provided with a back and forth movement head; All back and forth movement heads all are fixed on the back and forth movement frame; The back and forth movement frame is connected on the follower via connecting rod; Follower is arranged in the eccentric wheel, can move back and forth with the back and forth movement head that eccentric rotation drives on the back and forth movement frame.
Described multistation straight line comes and goes simulation and fatigue life test stand, and wherein: the back and forth movement head comprises guide rail and adjusting portion; Guide rail is fixedly connected on the back and forth movement frame; Adjusting portion is slidingly connected on the guide rail regulating the stroke of back and forth movement head, and is fixed on the two ends of guide rail through screw.
Described multistation straight line comes and goes simulation and fatigue life test stand, and wherein: adjusting portion comprises that also vertically disposed screw rod is to regulate the high and low position of back and forth movement head.
Described multistation straight line comes and goes simulation and fatigue life test stand, and wherein: eccentric wheel is connected on the gear reduction unit of a stepless speed regulation motor; Follower is set to the bearing follower.
Described multistation straight line comes and goes simulation and fatigue life test stand, and wherein: stepless speed regulation motor and gear reduction unit thereof are fixed on the bottom surface of platform with the mode of suspension; The output shaft of gear reduction unit passes platform and is connected on the eccentric wheel.
Described multistation straight line comes and goes simulation and fatigue life test stand, and wherein: connecting rod is positioned at the middle part of back and forth movement frame, is fixedly connected with the back and forth movement frame through bolt.
Described multistation straight line comes and goes simulation and fatigue life test stand, and wherein: the two ends at the back and forth movement frame are provided with guide pin bushing, and platform is provided with guide pillar; Guide pin bushing is slidingly connected on the guide pillar.
Described multistation straight line comes and goes simulation and fatigue life test stand, and wherein: the guide pillar horizontal fixed is connected on the platform; Guide pillar is provided with spring.
Described multistation straight line comes and goes simulation and fatigue life test stand, wherein: in the zone of placing test piece, be provided with the vacuum cup that is used for fixing test piece.
Described multistation straight line comes and goes simulation and fatigue life test stand, and wherein: the quantity of back and forth movement head is set to four, and it is spaced apart on the back and forth movement frame, to be a row.
A kind of multistation straight line that the utility model provided comes and goes simulation and fatigue life test stand; Owing to adopted rotating eccentric wheel; Convert eccentric circumference into rectilinear motion through follower; And a plurality of back and forth movement heads that drive on the back and forth movement frame through connecting rod move back and forth, and simulate the straight line back and forth movement thus many products or its parts are carried out test fatigue lifetime; Realize the action parameter of accurate control back and forth movement head through the rotating speed of accurate detection adjustable eccentric, and then simulated the test of straight line back and forth movement; Existing relatively two unidirectional cylinder control; Avoided influencing the trustworthiness of action because of the instability of airshed; And the cycle of loop test has been shortened in eccentric rotation; Thereby practiced thrift the time of fatigue life test greatly, and once tested to accomplish again a plurality of products or its parts are tested simultaneously, also improved the efficient of test greatly.
Description of drawings
Fig. 1 is the stereoscopic figure that the utility model multistation straight line comes and goes simulation and fatigue life test stand.
Fig. 2 is the partial structurtes figure that the utility model multistation straight line comes and goes simulation and fatigue life test stand.
Embodiment
Below will combine accompanying drawing, the embodiment and the embodiment of the utility model specified, described specific embodiment in order to explain the utility model, is not the embodiment that is used to limit the utility model only.
A kind of multistation straight line of the utility model comes and goes simulation and fatigue life test stand; The straight line that is used for slip lid class mobile phone or its associated electrical product and parts comes and goes simulation and reliability test fatigue lifetime; One of its embodiment; Back and forth movement head 120 as shown in Figure 1, as to comprise the platform 110 that is used for the bearing test workpiece and be arranged on the workpiece top, workpiece can be fixed on the surface of corresponding back and forth movement head 120 below platforms 110; Platform 110 then can be fixed on the end face of a desktop test engine housing 130, tests so that move required place; Front end at this housing 130 can be provided with control panel 140; Can be provided with power supply on the control panel 140 and suddenly stop to wait button 141; And be provided with startup, stop, suck and take off the button 142 of tape lights such as suction and the touch display screen 143 that is used to show experiment number, can carries out condition monitoring and parameter adjustment; Wherein, platform 110 is provided with the zone or the station of two above mutually noninterferes, is used to place test piece; The equal correspondence in the top of each zone or station is provided with a back and forth movement head 120; All back and forth movement heads 120 all are fixedly connected on the back and forth movement frame 150; As shown in Figure 2, back and forth movement frame 150 is connected on the follower 260 via connecting rod 160; Follower 260 is arranged in the eccentric wheel 270, can drive the back and forth movement frame 150 that is positioned at platform 110 tops with the rotation of eccentric wheel 270 and go up all back and forth movement heads 120 moving linearly back and forth.
Follower is the parts that a kind of those of ordinary skills know, and can convert unidirectional or two-way rotatablely moving into two-way reciprocal rectilinear motion; Camshaft bearing follower for example, but the inventive point that its inner concrete structure is not the utility model place are so repeat no more at this.
Concrete; Back and forth movement head 120 on the back and forth movement frame 150 can be set to 2,4,6 or 8; Can correspondingly place 2,4,6 or 8 workpieces for measurement on the platform 110; Can accomplish test simultaneously through long durability test of time thus, thereby improve the efficient that testing table detects exponentially a plurality of workpieces for measurement.
Further, as shown in Figure 2, back and forth movement head 120 comprises the guide rail 121 and adjusting portion 122 of T type; Adjusting portion 122 is provided with the T type chute of adaptive T type guide rail 121; Guide rail 121 is connected on the back and forth movement frame 150 through bolt; The location portability of adjusting portion 122 on guide rail 121 is moving to be regulated, with the stroke of adjusting back and forth movement head 120, and the final two ends that are fixed on guide rail 121 through screw 123.Because the stroke of each back and forth movement head 120 can be regulated separately, so the stroke of each station all can be inequality, makes an experiment simultaneously with the product that is suitable for different size, reduces experimentation cost with this, improves test efficiency.
Be preferably, adjusting portion 122 also comprises vertically disposed screw rod 124, through regulating this screw rod 124, can change the high and low position of to-and-fro movement 120, needs with the product and the parts thereof of adaptive test different structure.
In the preferred implementation of the utility model multistation gravity shock simulation and fatigue life test stand, eccentric wheel 270 is connected on the gear reduction unit 281 of a stepless speed regulation motor 280; Adopt full Electric Traction, speed is visual to be stablized adjustablely, and all states can be monitored, and in order to the consistance of warranty test, improve the tightness that test is carried out, and the action process of test is quickened, and effectively raise work efficiency.
Concrete, the main body driving control system adopts touch-screen+Programmable Logic Controller+analog output module+analog quantity stepless speed regulation drive system, has effectively solved control and the problem that shows.Touch-screen applications comprises the start and stop control of machine, display action number of times, responsiveness, and the setting of speed, the setting of test number (TN) in man-machine conversation; Programmable Logic Controller is in order to the detection of maim body action, and computing is controlled, and output, and detection that shows in the system and output comprise monitoring and control to each athletic performance and state in the complete machine; Analog output module with the setting of touch screen mould to responsiveness, through fixing formula operation, finally makes outputing to stepless speed adjusting gear by Programmable Logic Controller, with the control rotating speed of motor, thereby reaches the result of control action speed; Analog quantity stepless speed regulation drive system is mainly used in the driving of power, comprises analog quantity stepless speed regulation controller, stepless time adjustment motor, gear reduction unit.
And dragging system can adopt analog quantity stepless speed regulation motor+eccentric wheel+bearing follower; Drag eccentric rotation with the action in the rotation of motor, straight line back and forth movement microscope carrier under the driving of bearing follower, applicable line guide rail and spring; Impact microscope carrier during rotation and return low level with eccentric wheel automatically; Make the adjustable constant uniform motion in front and back with this driving impact microscope carrier, thereby the simulation straight line comes and goes action, and accomplish the simulation and the fatigue life test of the straight line back and forth movement of product.
All states can be monitored, and with the consistance of warranty test, have improved the tightness that test is carried out, and the cycle is short, makes the action process of test adjustable, effectively raises work efficiency.And use an experiment machine to detect machines to be measured such as many mobile phones simultaneously, reduced the detection cost.
As shown in Figure 2, stepless speed regulation motor 280 and gear reduction unit 281 thereof are fixed on the bottom surface of platform 110 with the mode of suspension; The output shaft of gear reduction unit 281 passes platform 110 and is connected on the eccentric wheel 270.The platform 110 that natural frequency capable of using thus is lower absorbs and reduces the off-centre vibration of generations such as eccentric wheel 270, avoids testing table generation vibrations and reduces noise.
Be preferably, eccentric wheel 270 is provided with lightening hole 271, and follower 260 is arranged in the eccentric wheel 270, lightening hole 271 be centered around follower 260 around; Follower 260 can be set to the bearing follower, to reduce rolling friction, improves the exercise performance of back and forth movement frame 150.
Concrete, connecting rod 160 can be arranged on the middle part of back and forth movement frame 150, can acting force be applied to the center of gravity place of back and forth movement frame 150 thus, avoids the negative consequence of the off normal application of force; Connecting rod 160 is fixedly connected with back and forth movement frame 150 through bolt.
Concrete, can be provided with guide pillar 170 by platform 110, guide pillar 170 is horizontally disposed with along the direction of motion of back and forth movement frame 150; And be provided with guide pin bushing 180 at the two ends of back and forth movement frame 150; Guide pin bushing 180 is slidingly connected on the guide pillar 170.Through the guide effect of guide pillar 170, and guide pillar 170 and guide pin bushing 180 quality of fits, the stability of back and forth movement frame 150 under high-speed motion state and lasting exercise performance improved greatly.
Be preferably, guide pillar 170 is provided with spring 190; Spring 190 on two guide pillars 170 all is arranged on the same side of back and forth movement frame 150, and connecting rod 160 is arranged on the opposite side of back and forth movement frame 150.The auxiliary back and forth movement frame 150 of elasticity that utilizes spring 190 returns low level during with eccentric wheel 270 rotations, with this drive to-and-fro movement 120 do before and after adjustable constant uniform motion.
Further, in the zone of placing test piece, be provided with vacuum cup 290, the bottom surface that is used for being adsorbed on test piece through the mode that vacuumizes is with the fixing test workpiece; And product adopts the vacuum adsorption system, the vacuum effect of each station with vacuum cup 290 sorptions in the bottom of product, not only effective but also firm, product is not had one damage, thereby has effectively protected the outward appearance of product.But in product orientation pattern in the past, all be that product receives the influence of holding force in motion process with the mode of mechanical tool location, very easily cause damaged products to form the bad of outward appearance.
Correspondingly, as shown in Figure 1, can increase vacuum tightness dial plate 132 and monitor, and increase the absorption affinity size that adjusting knob 131 changes vacuum cup in the front end of desktop test engine housing 130 left side of control panel 140 for example.
Compare with round simulation of straight line of the prior art and fatigue life test stand; A kind of multistation straight line that the utility model provided comes and goes simulation and fatigue life test stand; Owing to adopted rotating eccentric wheel; Convert eccentric circumference into rectilinear motion through follower, and move back and forth, simulate the straight line back and forth movement thus many products or its parts are carried out test fatigue lifetime through a plurality of back and forth movement heads on the connecting rod driving back and forth movement frame; Realize the action parameter of accurate control back and forth movement head through the rotating speed of accurate detection adjustable eccentric, and then simulated the test of straight line back and forth movement; Existing relatively two unidirectional cylinder control; Avoided influencing the trustworthiness of action because of the instability of airshed; And the cycle of loop test has been shortened in eccentric rotation; Thereby practiced thrift the time of fatigue life test greatly, and once tested to accomplish again a plurality of products or its parts are tested simultaneously, also improved the efficient of test greatly.
Should be understood that; The preferred embodiment that the above is merely the utility model is not sufficient to limit the technical scheme of the utility model, concerning those of ordinary skills; Within the spirit and principle of the utility model; Can increase and decrease according to above-mentioned explanation, replacement, conversion or improvement, and all these increases and decreases, replacement, conversion or improve after technical scheme, all should belong to the protection domain of the utility model accompanying claims.

Claims (10)

1. a multistation straight line comes and goes simulation and fatigue life test stand, the back and forth movement head that comprises the platform that is used for the bearing test workpiece and be arranged on the workpiece top; It is characterized in that platform is provided with the zone that is used to place test piece more than two; Each equal correspondence in regional top is provided with a back and forth movement head; All back and forth movement heads all are fixed on the back and forth movement frame; The back and forth movement frame is connected on the follower via connecting rod; Follower is arranged in the eccentric wheel, can move back and forth with the back and forth movement head that eccentric rotation drives on the back and forth movement frame.
2. multistation straight line according to claim 1 comes and goes simulation and fatigue life test stand, and it is characterized in that: the back and forth movement head comprises guide rail and adjusting portion; Guide rail is fixedly connected on the back and forth movement frame; Adjusting portion is slidingly connected on the guide rail regulating the stroke of back and forth movement head, and is fixed on the two ends of guide rail through screw.
3. multistation straight line according to claim 2 comes and goes simulation and fatigue life test stand, it is characterized in that: adjusting portion comprises that also vertically disposed screw rod is to regulate the high and low position of back and forth movement head.
4. multistation straight line according to claim 1 comes and goes simulation and fatigue life test stand, and it is characterized in that: eccentric wheel is connected on the gear reduction unit of a stepless speed regulation motor; Follower is set to the bearing follower.
5. multistation straight line according to claim 4 comes and goes simulation and fatigue life test stand, it is characterized in that: stepless speed regulation motor and gear reduction unit thereof are fixed on the bottom surface of platform with the mode of suspension; The output shaft of gear reduction unit passes platform and is connected on the eccentric wheel.
6. multistation straight line according to claim 1 comes and goes simulation and fatigue life test stand, and it is characterized in that: connecting rod is positioned at the middle part of back and forth movement frame, is fixedly connected with the back and forth movement frame through bolt.
7. multistation straight line according to claim 1 comes and goes simulation and fatigue life test stand, and it is characterized in that: the two ends at the back and forth movement frame are provided with guide pin bushing, and platform is provided with guide pillar; Guide pin bushing is slidingly connected on the guide pillar.
8. multistation straight line according to claim 7 comes and goes simulation and fatigue life test stand, and it is characterized in that: the guide pillar horizontal fixed is connected on the platform; Guide pillar is provided with spring.
9. multistation straight line according to claim 1 comes and goes simulation and fatigue life test stand, it is characterized in that: in the zone of placing test piece, be provided with the vacuum cup that is used for fixing test piece.
10. come and go simulation and fatigue life test stand according to arbitrary described multistation straight line in the claim 1 to 9, it is characterized in that: the quantity of back and forth movement head is set to four, and it is spaced apart on the back and forth movement frame, to be a row.
CN2011202057720U 2011-06-17 2011-06-17 Multi-station linear reciprocation simulation and fatigue service life test bench Expired - Fee Related CN202158968U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102890211A (en) * 2012-10-09 2013-01-23 惠州Tcl移动通信有限公司 Device for simulating intermittent oscillating motion
CN103217514A (en) * 2013-03-21 2013-07-24 河海大学 Eccentricity vertical loading device acting on column
CN103934376A (en) * 2014-04-09 2014-07-23 武汉赛亚恒机电设备制造有限公司 Multi-station simulation equipment
CN107091732A (en) * 2017-04-18 2017-08-25 西华大学 Reciprocating variable element disc plough life-span test system
CN108106835A (en) * 2017-12-29 2018-06-01 东莞禾盈通用零部件有限公司 A kind of knocker life testing machine
CN111175545A (en) * 2019-12-31 2020-05-19 河北华通燃气设备有限公司 IC card durability test tool
CN111397863A (en) * 2018-12-13 2020-07-10 明门(中国)幼童用品有限公司 Fatigue detection device
CN113567102A (en) * 2021-07-29 2021-10-29 泰州市祥泰设备配套有限公司 Fatigue detection equipment for hoisting belt
CN115266429A (en) * 2022-07-15 2022-11-01 哈尔滨工业大学 Testing device for realizing corrosion environment-bending fatigue coupling effect and testing method thereof

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102890211A (en) * 2012-10-09 2013-01-23 惠州Tcl移动通信有限公司 Device for simulating intermittent oscillating motion
CN103217514A (en) * 2013-03-21 2013-07-24 河海大学 Eccentricity vertical loading device acting on column
CN103217514B (en) * 2013-03-21 2015-06-10 河海大学 Eccentricity vertical loading device acting on column
CN103934376A (en) * 2014-04-09 2014-07-23 武汉赛亚恒机电设备制造有限公司 Multi-station simulation equipment
CN103934376B (en) * 2014-04-09 2016-06-01 武汉赛亚恒机电设备制造有限公司 A kind of multi-work-station simulation equipment
CN107091732B (en) * 2017-04-18 2023-06-06 西华大学 Reciprocating type variable parameter disc plow life testing system
CN107091732A (en) * 2017-04-18 2017-08-25 西华大学 Reciprocating variable element disc plough life-span test system
CN108106835A (en) * 2017-12-29 2018-06-01 东莞禾盈通用零部件有限公司 A kind of knocker life testing machine
CN111397863A (en) * 2018-12-13 2020-07-10 明门(中国)幼童用品有限公司 Fatigue detection device
CN111397863B (en) * 2018-12-13 2022-06-10 明门(中国)幼童用品有限公司 Fatigue detection device
CN111175545B (en) * 2019-12-31 2022-02-11 河北华通燃气设备有限公司 IC card durability test tool
CN111175545A (en) * 2019-12-31 2020-05-19 河北华通燃气设备有限公司 IC card durability test tool
CN113567102A (en) * 2021-07-29 2021-10-29 泰州市祥泰设备配套有限公司 Fatigue detection equipment for hoisting belt
CN115266429A (en) * 2022-07-15 2022-11-01 哈尔滨工业大学 Testing device for realizing corrosion environment-bending fatigue coupling effect and testing method thereof
CN115266429B (en) * 2022-07-15 2024-05-17 哈尔滨工业大学 Test device and test method for realizing corrosive environment-bending fatigue coupling effect

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Granted publication date: 20120307

Termination date: 20130617