CN101750208A - Diaphragm spring tester - Google Patents

Diaphragm spring tester Download PDF

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Publication number
CN101750208A
CN101750208A CN200810229515A CN200810229515A CN101750208A CN 101750208 A CN101750208 A CN 101750208A CN 200810229515 A CN200810229515 A CN 200810229515A CN 200810229515 A CN200810229515 A CN 200810229515A CN 101750208 A CN101750208 A CN 101750208A
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CN
China
Prior art keywords
screw
diaphragm spring
patrix
ball
fuselage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN200810229515A
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Chinese (zh)
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CN101750208B (en
Inventor
孙天保
陈平
董雪松
白洪飞
魏宏宇
徐凤春
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Shenyang Institute of Automation of CAS
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Shenyang Institute of Automation of CAS
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Priority to CN2008102295153A priority Critical patent/CN101750208B/en
Publication of CN101750208A publication Critical patent/CN101750208A/en
Application granted granted Critical
Publication of CN101750208B publication Critical patent/CN101750208B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates to a test mechanism of an automobile clutch diaphragm spring, in particular to a diaphragm spring tester which can effectively measure stress and deformation and detects the load characteristics thereof. The diaphragm spring tester comprises a tester body bottom plate, a nut, a workbench, a low die, a top die, a tester body top plate, a middle lathe bed plate and a ball screw, wherein the tester body bottom plate, the middle lathe bed plate and the tester body top plate are connected by a stand column; the ball screw is installed on the tester body bottom plate and penetrates from the tester body bottom plate to be connected with an actuating device; the nut in threaded connection with the ball screw is provided with a sleeve; the revolute pair of the ball screw is in threaded connection with the nut by the ball screw to form the upper sliding pair and the lower sliding pair of the sleeve; the other end of the sleeve passes through the middle lathe bed plate to be connected with the workbench; the workbench is provided with the lower die; the top die is installed on the tester body top plate and is above the lower die; and the tester body top plate is provided with a pressure sensor contacting with the top die. The invention has the advantages of high efficiency, high precision, high rigidity, reversibility and the like.

Description

A kind of diaphragm spring tester
Technical field
The present invention relates to the mechanism for testing of Automobile Clutch Plate Spring, specifically a kind of effective measurement of carrying out stressed and distortion, detect the diaphragm spring tester of its part throttle characteristics.
Background technology
Diaphragm spring is used widely in car, light-duty and medium truck with characteristics such as its axial dimension is little, simple in structure, elastic property is unique, rapid operations.The performance of Automobile Clutch Plate Spring is one of gordian technique of reaction clutch quality, and in order to ensure the serviceability of clutch coupling, in the production run of diaphragm spring, it is very important that its part throttle characteristics is detected.
The existing device that detects diaphragm spring mainly adopts hydraulic system to drive, and realizes the course of work of pressure, position measurement.But because in driving the process that counterdie rises, the hydraulic system position control accuracy is low, receive work order after hydraulic valve work postpone if having time, cause the pick-up unit error bigger; Have, because the pick-up unit precision is low, can't detect large diameter diaphragm spring, present detectable diaphragm spring maximum gauge can only reach about 200mm.
In addition, existing pick-up unit, its patrix is easy to generate side force in the course of the work, and then causes the pressure survey accuracy to reduce.
Summary of the invention
In order to solve the problem of above-mentioned existence, the object of the present invention is to provide the high diaphragm spring tester of a kind of test accuracy.
Another object of the present invention is to provide a kind of testing efficiency height, diaphragm spring tester that test specification is big.
The objective of the invention is to be achieved through the following technical solutions:
The present invention includes fuselage base plate, screw, worktable, counterdie, patrix, fuselage upper plate, intermediate bed body and ball-screw, fuselage base plate, intermediate bed body and fuselage upper plate are connected by column, ball-screw is installed on the fuselage base plate and is passed with drive unit by the fuselage base plate and is connected, the screw that is threaded with ball-screw is provided with sleeve, the revolute pair of ball-screw forms the pair that moves up and down of sleeve by ball-screw and being threaded of screw, the other end of sleeve is passed, is linked to each other with worktable by the intermediate bed body, and counterdie is installed on the worktable; Patrix is installed on the fuselage upper plate, is positioned at the top of counterdie, and the fuselage upper plate is provided with the pressure transducer that contacts with patrix.
Wherein: described sleeve is inverse-T-shaped, the bottom is the cover plate that is connected with screw, cover plate is provided with a plurality of guide pillars, the intermediate bed body is provided with and corresponding second guide pin bushing of sleeve and a plurality of and corresponding first guide pin bushing of guide pillar, guide pillar is passed with worktable by first guide pin bushing and is connected, and sleeve is passed with worktable by second guide pin bushing and is connected; The outer rim that compresses the butterfly diaphragm spring at upper die and lower die is equipped with steel ball; Periphery at intermediate bed body bottom, second guide pin bushing is provided with the nylon block, and the nylon block is on the movement locus of cover plate; Described intermediate bed body is provided with near switch base, be respectively equipped with near switch near the two ends up and down of switch base, cover plate near the side near switch base be provided with near the corresponding block of switch; The intermediate bed body is provided with main scale, and screw is provided with and the corresponding measuring head of main scale; Patrix is provided with patrix closing seat, and the fuselage upper plate is provided with a plurality of ball splines, and the other end of ball spline links to each other closing seat with patrix; Pressure transducer passes patrix and contacts with patrix closing seat; State pressure transducer and ball spline and respectively be three, patrix is evenly equipped with first hole and three second holes that supply ball spline to pass that three voltage supply force transducers pass, the alternate setting with second hole in first hole closing on the seat; Described drive unit is made up of motor, first belt pulley, belt and second belt pulley, and motor is installed on the fuselage base plate, and the output shaft of motor passes, is provided with second belt pulley by the fuselage base plate; Ball-screw passes, is provided with first belt pulley by the fuselage base plate, and first belt pulley is by the belt and the second belt pulley transmission; Be provided with the pressure strip that is fixed in the motor output shaft end in second belt pulley.
Advantage of the present invention and good effect are:
1. the present invention adopts the ball-screw driving that is threaded with screw, has characteristics such as high-level efficiency, high precision, high rigidity, reversibility, more can realize feeding pressurization at a slow speed and fast return initial position.
2. rotate by motor driven ball screws, but fast feed in uphill process improves testing efficiency.
3. because measuring accuracy height of the present invention, but therefore the maximum gauge of test membrane flat spring can reach 400mm.
4. be provided with the nylon block and reach near switch, position-limiting action is strong, can prevent that the counterdie stroke is excessive, cause device damage.
5. patrix of the present invention connects by ball spline, and the tester architecture compactness can be born than heavy load, prevents the generation of side force, and then improves the precision of test machine.
6. the present invention is equipped with steel ball in the outer rim of the tight butterfly diaphragm spring of upper and lower mold pressing, owing to be rolling friction between steel ball and the diaphragm spring, has improved sensitivity, precision and the durability of test machine.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 closes the structural representation of seat for patrix handle among Fig. 1;
Fig. 4 is the partial enlarged drawing at A place among Fig. 1;
Fig. 5 is the partial enlarged drawing at B place among Fig. 1;
Fig. 6 is a control system process flow diagram of the present invention;
Wherein: 1 is the fuselage base plate, and 2 is column, and 3 is screw, and 4 is motor, 5 is guide pillar, and 6 is first guide pin bushing, and 7 is the nylon block, and 8 is worktable, 9 is counterdie, and 10 is steel ball, and 11 is patrix, 12 for the patrix handle closes seat, and 13 is pressure transducer, and 14 is web joint, 15 is ball spline, and 16 is the fuselage upper plate, and 17 is second guide pin bushing, 18 is the intermediate bed body, and 19 is sleeve, and 20 is ball-screw, 21 is main scale, and 22 is cover plate, and 23 is measuring head, 24 is first belt pulley, and 25 is belt, and 26 is pressure strip, 27 is second belt pulley, and 28 is near switch, and 29 is block, 30 is near switch base, and 31 is first hole, and 32 is second hole.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, the present invention includes fuselage base plate 1, screw 3, worktable 8, counterdie 9, patrix 11, fuselage upper plate 16, intermediate bed body 18 and ball-screw 20, fuselage base plate 1, intermediate bed body 18 and fuselage upper plate 16 are connected by column 2, ball-screw 20 is installed on the fuselage base plate 1 and by fuselage base plate 1 and passes, and the traversing through end key of ball-screw 20 is connected with first belt pulley 24; Also be provided with motor 4 on the fuselage base plate 1, the output shaft of motor 4 is passed by fuselage base plate 1, and the traversing through end key of output shaft is connected with second belt pulley 27, and first and second belt pulley 24,27 connects transmission by belt 25; Be provided with the pressure strip 26 that is fixed in the motor output shaft end in second belt pulley 27, both further support motor 4 can prevent again that motor 4 from moving up and down.The screw 3 that has been threaded on the ball-screw 20, screw 3 is provided with sleeve 19, and the revolute pair of ball-screw 20 becomes the pair that moves up and down of sleeve 19 by ball-screw 20 and being threaded of screw 3; Sleeve 19 is inverse-T-shaped, the bottom is the cover plate 22 affixed with screw 3, be connected with four guide pillars 5 on the cover plate 22, the middle part of intermediate bed body 18 be provided with one with sleeve 19 corresponding second guide pin bushings 17 and second guide pin bushing 17 around be provided with four with guide pillar 5 corresponding first guide pin bushings 6, guide pillar 5 is passed with worktable 8 by first guide pin bushing 6 and is connected, sleeve 19 is passed with worktable 8 by second guide pin bushing 17 and is connected, can guarantee worktable 8 and counterdie 9 held stationary in the process that moves up and down, counterdie 9 is installed on the worktable 8.Patrix 11 is installed on the fuselage upper plate 16, be positioned at the top of counterdie 9; Patrix 11 is provided with patrix closing seat 12, and as shown in Figure 3, fuselage upper plate 16 is provided with three ball splines 15, and the other end of ball spline 15 links to each other closing seat 12 with patrix; Also be provided with three pressure transducers 13 on the fuselage upper plate 16, pressure transducer 13 passes patrix and contacts with patrix 11 closing seat 13.Patrix is evenly equipped with first hole 31 and three second holes 32 that supply ball spline 15 to pass that three voltage supply force transducers 13 pass closing on the seat 13, first hole 31 and the 32 alternate settings of second hole, ball spline 15 also alternate settings with pressure transducer 13, make the tester architecture compactness, can bear than heavy load, prevent the generation of side force, and then improve the precision of test machine.As Fig. 4, shown in Figure 5, the outer rim that compresses the butterfly diaphragm spring at patrix 11 and counterdie 9 is equipped with steel ball 10, and steel ball 10 is a distribution equalizing structure, owing to be rolling friction between steel ball 10 and the diaphragm spring, has improved sensitivity, precision and the durability of test machine.Periphery at intermediate bed body 18 bottoms, second guide pin bushing 17 is provided with nylon block 7, and nylon block 7 is on the movement locus of cover plate 22.Intermediate bed body 18 is provided with near switch base 30, be respectively equipped with near switch 18 near the two ends up and down of switch base 30, cover plate 22 near the sides near switch base 30 be provided with near switch 18 corresponding blocks 29.Also be provided with main scale 21 on the intermediate bed body 18, screw 3 is provided with and main scale 21 corresponding measuring heads 23, and measuring head 23 moves up and down with screw 3.
Principle of work of the present invention is:
As shown in Figure 5, at first, the test machine parameter is provided with by control system (control system of the present invention is a prior art).During initial position, with near switch base 30 lower ends relative of the block 29 on the cover plate 22 near switch 28.Diaphragm spring to be tested is put into counterdie 9, and motor 4 work drive second belt pulley 27 and rotate, and second belt pulley 27 drives first belt pulley 24 by belt 25 and rotates and then drive leading screw 20 rotations.Screw 3 on the leading screw 20 is by being threaded with leading screw 20, and the revolute pair of leading screw 20 is become moving sets, makes screw 3 move up.With the affixed sleeve 19 of screw 3 along with screw 3 moves up, and then worktable 8 and counterdie 9 are moved up.When worktable 8 and counterdie 9 are moved upwards up to pressure transducer 13 force value are arranged, beginning precompressed work step, be that control system sends signal for motor 4, drive worktable 8 by aforesaid operations drive sleeve 19 and counterdie 9 moves back and forth up and down by motor 4, form the pressure opposite state by initial dish-shaped state at last through state of applanation to diaphragm spring; After the circulation compacting repeatedly, counterdie 9 moves down predefined distance, and diaphragm spring is restPosed, and the precompressed work step finishes, and begins to load, and counterdie 9 moves up once more, to diaphragm spring pressure opposite state; After the loading, counterdie 9 moves down, and begins unloading, restPoses to diaphragm spring.In the process that loads and unload, collect pressure datas by pressure transducer 13; Drive in the process that worktable 8 and counterdie 9 move at sleeve 19, be installed in measuring head 23 on the screw 3 to make progress together/descend move, by measuring head 23 collection displacement datas; The displacement data that pressure data that pressure transducer 13 is collected and measuring head 23 are collected is passed to control system, carries out data processing by control system, shows by display screen.
In the process that counterdie 9 moves up, if the wrong or misoperation of predefined systematic parameter, nylon block 7 can play hard spacing effect, prevents that counterdie 9 strokes are excessive, causes device damage.In the process that counterdie 9 moves up, on the block on the cover plate 22 29, move on near switch base 30 upper ends near switch 28 places, block 29 give the upper end near switch 28 signals, by signal being passed to control system, quit work by control system control motor 4 near switch 28; By changing, can control the shift motion of counterdie 9 near the position of switch base 30 upper ends near switch 28.
The present invention also can carry out pressure calibration to pressure transducer 13 by secondary instrument, improves the accuracy of test machine.
The present invention adopts the ball-screw driving that is threaded with screw, has the characteristics such as high efficiency, high accuracy, high rigidity, invertibity, more can realize at a slow speed feeding pressurization and fast return initial position. Since the tester accuracy height, but therefore the maximum gauge of test membrane flat spring can reach 400mm, and maximum working pressure (MWP) can be 7.5T.

Claims (10)

1. diaphragm spring tester, it is characterized in that: comprise fuselage base plate (1), screw (3), worktable (8), counterdie (9), patrix (11), fuselage upper plate (16), intermediate bed body (18) and ball-screw (20), fuselage base plate (1), intermediate bed body (18) and fuselage upper plate (16) are connected by column (2), ball-screw (20) is installed on the fuselage base plate (1), and pass with drive unit by fuselage base plate (1) and to be connected, the screw (3) that is threaded with ball-screw (20) is provided with sleeve (19), the revolute pair of ball-screw (20) forms the pair that moves up and down of sleeve (19) by ball-screw (20) and being threaded of screw (3), the other end of sleeve (19) is passed by intermediate bed body (18), link to each other with worktable (8), counterdie (9) is installed on the worktable (8); Patrix (11) is installed in the top that fuselage upper plate (16) is gone up, is positioned at counterdie (9), and fuselage upper plate (16) is provided with the pressure transducer (13) that contacts with patrix (11).
2. by the described diaphragm spring tester of claim 1, it is characterized in that: described sleeve (19) is for inverse-T-shaped, the bottom is the cover plate (22) that is connected with screw (3), cover plate (22) is provided with a plurality of guide pillars (5), intermediate bed body (18) is provided with and corresponding second guide pin bushing of sleeve (19) (17) and a plurality of and corresponding first guide pin bushing of guide pillar (5) (6), guide pillar (5) is passed with worktable (8) by first guide pin bushing (6) and is connected, and sleeve (19) is passed with worktable (8) by second guide pin bushing (17) and is connected.
3. by the described diaphragm spring tester of claim 1, it is characterized in that: the outer rim that compresses the butterfly diaphragm spring at patrix (11) and counterdie (9) is equipped with steel ball (10).
4. by claim 1 or 2 described diaphragm spring testers, it is characterized in that: the periphery at intermediate bed body (18) bottom, second guide pin bushing (17) is provided with nylon block (7), and nylon block (7) is on the movement locus of cover plate (22).
5. by claim 1 or 2 described diaphragm spring testers, it is characterized in that: described intermediate bed body (18) is provided with near switch base (30), two ends up and down near switch base (30) are respectively equipped with near switch (18), cover plate (22) near be provided with near a side of switch base (30) with near the corresponding block of switch (18) (29).
6. by claim 1 or 2 described diaphragm spring testers, it is characterized in that: described intermediate bed body (18) is provided with main scale (21), and screw (3) is provided with and the corresponding measuring head of main scale (21) (23).
7. by the described diaphragm spring tester of claim 1, it is characterized in that: described patrix (11) is provided with patrix closing seat (12), fuselage upper plate (16) is provided with a plurality of ball splines (15), and the other end of ball spline (15) links to each other closing seat (12) with patrix; Pressure transducer (13) passes patrix and contacts with patrix (11) closing seat (13).
8. by claim 1 or 7 described diaphragm spring testers, it is characterized in that: described pressure transducer (13) and ball spline (15) respectively are three, patrix is evenly equipped with first hole (31) and three second holes (32) that supply ball spline (15) to pass that three voltage supply force transducers (13) pass, first hole (31) and the alternate setting in second hole (32) closing on the seat (13).
9. by the described diaphragm spring tester of claim 1, it is characterized in that: described drive unit is made up of motor (4), first belt pulley (24), belt (25) and second belt pulley (27), motor (4) is installed on the fuselage base plate (1), and the output shaft of motor (4) passes, is provided with second belt pulley (27) by fuselage base plate (1); Ball-screw (20) passes, is provided with first belt pulley (24) by fuselage base plate (1), and first belt pulley (24) is by belt (25) and second belt pulley (27) transmission.
10. by the described diaphragm spring tester of claim 9, it is characterized in that: be provided with the pressure strip (26) that is fixed in the motor output shaft end in described second belt pulley (27).
CN2008102295153A 2008-12-10 2008-12-10 Diaphragm spring tester Expired - Fee Related CN101750208B (en)

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Application Number Priority Date Filing Date Title
CN2008102295153A CN101750208B (en) 2008-12-10 2008-12-10 Diaphragm spring tester

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CN101750208A true CN101750208A (en) 2010-06-23
CN101750208B CN101750208B (en) 2011-08-24

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102359870A (en) * 2011-08-31 2012-02-22 桂林福达股份有限公司 Diaphragm spring fatigue test tooling
CN103016451A (en) * 2012-11-26 2013-04-03 重庆长安汽车股份有限公司 Testing device for circular hydraulic cylinder of clutch
CN103785711A (en) * 2014-01-02 2014-05-14 浙江龙华汽配制造有限公司 Pressing machine for diaphragm springs
CN105277161A (en) * 2015-11-29 2016-01-27 重庆元创汽车整线集成有限公司 Detecting apparatus used for bearing groove
CN105675196A (en) * 2016-03-16 2016-06-15 宁波圣龙汽车动力系统股份有限公司 Elastic force detection device for automobile clutch spring coil group
CN107063535A (en) * 2016-12-12 2017-08-18 贵州航天林泉电机有限公司 A kind of leaf spring pressure-detecting device and its detection method
CN107607305A (en) * 2017-10-13 2018-01-19 领科汇智科技有限公司 A kind of vehicle switch stroke and pressure test workbench
CN109228467A (en) * 2018-10-30 2019-01-18 麻城市大恒汽车零部件股份有限公司 A kind of Diaphragm Spring Caused by Settling Operation processing system
CN113431856A (en) * 2021-06-23 2021-09-24 珠海华粤传动科技有限公司 Anti-attenuation process of diaphragm spring

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2466625Y (en) * 2001-01-04 2001-12-19 周伟 Pull-pressing spring tester
CN200982938Y (en) * 2006-12-18 2007-11-28 任再瑞 A spring pull and press tester
CN200986512Y (en) * 2006-12-26 2007-12-05 深圳市新三思材料检测有限公司 Spring extension and compression testing machine
RU2330261C1 (en) * 2007-02-26 2008-07-27 Федеральное государственное унитарное предприятие федеральный научно-производственный центр "Научно-исследовательский институт измерительных систем им. Ю.Е. Седакова" Tensile testing clamp
CN201319005Y (en) * 2008-12-10 2009-09-30 中国科学院沈阳自动化研究所 Diaphragm spring tester

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102359870B (en) * 2011-08-31 2013-03-06 桂林福达股份有限公司 Diaphragm spring fatigue test tooling
CN102359870A (en) * 2011-08-31 2012-02-22 桂林福达股份有限公司 Diaphragm spring fatigue test tooling
CN103016451A (en) * 2012-11-26 2013-04-03 重庆长安汽车股份有限公司 Testing device for circular hydraulic cylinder of clutch
CN103016451B (en) * 2012-11-26 2015-11-25 重庆长安汽车股份有限公司 A kind of testing apparatus of annular hydraulic cylinder of clutch
CN103785711A (en) * 2014-01-02 2014-05-14 浙江龙华汽配制造有限公司 Pressing machine for diaphragm springs
CN103785711B (en) * 2014-01-02 2015-12-09 浙江龙华汽配制造有限公司 A kind of press of diaphragm spring
CN105277161B (en) * 2015-11-29 2017-11-24 重庆元创汽车整线集成有限公司 Detection means for bearing channel
CN105277161A (en) * 2015-11-29 2016-01-27 重庆元创汽车整线集成有限公司 Detecting apparatus used for bearing groove
CN105675196A (en) * 2016-03-16 2016-06-15 宁波圣龙汽车动力系统股份有限公司 Elastic force detection device for automobile clutch spring coil group
CN107063535A (en) * 2016-12-12 2017-08-18 贵州航天林泉电机有限公司 A kind of leaf spring pressure-detecting device and its detection method
CN107063535B (en) * 2016-12-12 2023-01-20 贵州航天林泉电机有限公司 Leaf spring pressure detection device and detection method thereof
CN107607305A (en) * 2017-10-13 2018-01-19 领科汇智科技有限公司 A kind of vehicle switch stroke and pressure test workbench
CN107607305B (en) * 2017-10-13 2023-11-14 领科汇智科技有限公司 Automobile switch stroke and pressure test workbench
CN109228467A (en) * 2018-10-30 2019-01-18 麻城市大恒汽车零部件股份有限公司 A kind of Diaphragm Spring Caused by Settling Operation processing system
CN113431856A (en) * 2021-06-23 2021-09-24 珠海华粤传动科技有限公司 Anti-attenuation process of diaphragm spring
CN113431856B (en) * 2021-06-23 2022-08-16 珠海华粤传动科技有限公司 Anti-attenuation process of diaphragm spring

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