CN102426109A - Method for measuring comprehensive rigidity of crank press - Google Patents
Method for measuring comprehensive rigidity of crank press Download PDFInfo
- Publication number
- CN102426109A CN102426109A CN2011102466549A CN201110246654A CN102426109A CN 102426109 A CN102426109 A CN 102426109A CN 2011102466549 A CN2011102466549 A CN 2011102466549A CN 201110246654 A CN201110246654 A CN 201110246654A CN 102426109 A CN102426109 A CN 102426109A
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- motor
- crank press
- crank
- gear
- control assembly
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Abstract
The invention provides a method for measuring the comprehensive rigidity of a crank press, which is characterized by comprising the following steps of: (1) placing a tonnage meter between a slider and a base plate of the crank press; (2) inputting a motor angular velocity (omega)1 of a motor and a rotational inertia J of the crank press through a control component; (3) controlling the motor action through the control component; and when the detected motor angular velocity is equal to the input motor angular velocity (omega)1, controlling the constant speed of the motor by the control component and implementing attack; (4) detecting the motor angular velocity (omega)2 by the control component at the moment when the attack ends; and (5) calculating the comprehensive rigidity CO of the crank press and the tonnage meter by a formula according to a pressure value F displayed by the tonnage meter, and calculating the comprehensive rigidity C of the crank press by a formula. Through the invention, the measured comprehensive rigidity includes the reduced rigidity of the elastic deformation and friction loss energy of a stressed member. The method provided by the invention can be applied to the equipment such as a crank press and the like.
Description
Technical field
The present invention provides a kind of assay method of crank press integral stiffness, belongs to the mechanical industry equipment technical field.
Background technology
A motion portion of energy part changes workpiece deformation merit, the resilience work of deformation and frictional work into during crank press work, and remainder kinetic energy makes slide block continue motion.Prior art can not accurately be measured for frictional work, causes the integral stiffness measuring difficulty, and this becomes the insoluble technical barrier in this area.
Summary of the invention
The purpose of this invention is to provide a kind of assay method that can conveniently measure the crank press integral stiffness that solves an above-mentioned difficult problem.Its technical scheme is:
A kind of assay method of crank press integral stiffness is characterized in that adopting following steps: 1. be placed on tonnage meter between the slide block and backing plate of crank press, 2. through control assembly input motor angular velocity ω
1With crank press moment of inertia J; 3. through control assembly control motor action, to be checkedly measure the motor angular velocity ω that motor angular velocity equals to import
1The time, control assembly control motor is at the uniform velocity implemented to hit subsequently; 3. control assembly detects motor angular velocity value ω in the moment of hitting end
24. the force value F that shows according to tonnage meter, by formula
Calculate the two integral stiffness C of crank press and tonnage meter
0Value, more by formula
Calculate the integral stiffness value C of crank press, C in the formula
1Rigidity for tonnage meter.
The assay method of described crank press integral stiffness, crank press comprise motor, control assembly, gear train and be installed in the working mechanism on the fuselage, and wherein control assembly is connected with motor, and motor output shaft connects working mechanism through gear train.
The assay method of described crank press integral stiffness; Control assembly comprises electric machine controller, detent, angular displacement sensor, Programmable Logic Controller and touch-screen; Wherein detent and angular displacement sensor are installed on the output shaft of motor; The input end of the output termination motor of electric machine controller; The input end of electric machine controller connects the output terminal of angular displacement sensor, Programmable Logic Controller and touch-screen respectively, the control end of the output termination detent of Programmable Logic Controller, and the input end of Programmable Logic Controller connects touch-screen.
The assay method of described crank press integral stiffness; Gear train adopts gear drive or belt gear; If employing gear drive; Gear train comprises gear shaft and follower gear, and wherein the input end of gear shaft is fixedly connected the output terminal of motor, and follower gear is fixedly mounted in the working mechanism.
The assay method of described crank press integral stiffness, working mechanism comprises crank, connecting rod and slide block, the input end of crank is fixedly connected with the output terminal of gear train, the upper end of crank middle part connective pole, the connecting rod bottom connects slide block.
The assay method of described crank press integral stiffness, motor adopts switched reluctance machines or reversible electric machine; Angular displacement sensor adopts rotary transformer or Hall element; Detent adopts disc brake.
The present invention compared with prior art, its advantage is:
1, the integral stiffness of being tested comprises the stressed member elastic deformation and rubs catabiotic conversion rigidity.
2, the present invention can be used for equipment such as crank press.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Among the figure: 1, electric machine controller 2, detent 3, angular displacement sensor 4, motor 5, gear shaft 6, follower gear 7, crank 8, connecting rod 9, slide block 10, backing plate 11, fuselage 12, Programmable Logic Controller 13, touch-screen 14, tonnage meter
Embodiment
Below in conjunction with accompanying drawing the present invention is further specified: crank press comprises motor 4, control assembly, gear train and is installed in the working mechanism on the fuselage 11, wherein:
Motor 4 adopts switched reluctance machines, and angular displacement sensor 3 adopts rotary transformer or Hall element, and detent 2 adopts disc brake.
Control assembly comprises electric machine controller 1, detent 2, angular displacement sensor 3, Programmable Logic Controller 12 and touch-screen 13; Wherein detent 2 is installed on the output shaft of motor 4 with angular displacement sensor 3; The input end of the output termination motor 4 of electric machine controller 1; The input end of electric machine controller 1 connects the output terminal of angular displacement sensor 3, Programmable Logic Controller 12 and touch-screen 13 respectively; The control end of the output termination detent 2 of Programmable Logic Controller 12, the input end of Programmable Logic Controller 12 connects touch-screen 13.
Gear train adopts gear drive, comprises gear shaft 5 and follower gear 6, and wherein the input end of gear shaft 5 is fixedly connected the output terminal of motor 4, and follower gear 6 is fixedly mounted in the working mechanism.
Working mechanism comprises crank 7, connecting rod 8 and slide block 9, and the input end of crank 7 is fixedly connected with the output terminal of gear train, the upper end of crank 7 middle part connective poles 8, and connecting rod 8 bottoms connect slide block 9.
Among the embodiment, the rigidity C of tonnage meter 14
1Be 2 * 10
9Nm
-1, crank press moment of inertia J is 10kgm
2, the motor angular velocity ω of input
1Be 20s
-1Concrete mensuration process is:
1. be placed on tonnage meter 14 between the slide block 9 and backing plate 10 of crank press, 2. through control assembly input motor angular velocity ω
1With crank press moment of inertia J, be respectively 20s
-1And 10kgm
23. through 4 actions of control assembly control motor, to be checkedly measure the motor angular velocity ω that the motor angular velocity value equals to import
1During value, control assembly control motor 4 is at the uniform velocity implemented to hit subsequently; 3. control assembly is hitting the motor angular velocity value ω that the moment that finishes detects the strike end
2=10s
-14. the force value F=1000kN that shows according to tonnage meter 14, by formula
Calculate the two integral stiffness of crank press and tonnage meter 14
Again by formula
Calculate the integral stiffness value C of crank press, get C=0.4 * 10
9
Claims (7)
1. the assay method of a crank press integral stiffness is characterized in that adopting following steps: 1. be placed on tonnage meter (14) between the slide block (9) and backing plate (10) of crank press, 2. through control assembly input motor angular velocity ω
1With crank press moment of inertia J; 3. through control assembly control motor (4) action, to be checkedly measure the motor angular velocity ω that motor angular velocity equals to import
1The time, control assembly control motor (4) is at the uniform velocity implemented to hit subsequently; 3. control assembly detects motor angular velocity value ω in the moment of hitting end
24. the force value F that shows according to tonnage meter (14), by formula
Calculate the two integral stiffness C of crank press and tonnage meter (14)
0Value, more by formula
Calculate the integral stiffness value C of crank press, C in the formula
1Rigidity for tonnage meter (14).
2. the assay method of crank press integral stiffness as claimed in claim 1; It is characterized in that: crank press comprises motor (4), control assembly, gear train and is installed in the working mechanism on the fuselage (11); Wherein control assembly is connected with motor (4), and motor (4) output shaft connects working mechanism through gear train.
3. the assay method of crank press integral stiffness as claimed in claim 2; It is characterized in that: control assembly comprises electric machine controller (1), detent (2), angular displacement sensor (3), Programmable Logic Controller (12) and touch-screen (13); Wherein detent (2) and angular displacement sensor (3) are installed on the output shaft of motor (4); The input end of the output termination motor (4) of electric machine controller (1); The input end of electric machine controller (1) connects the output terminal of angular displacement sensor (3), Programmable Logic Controller (12) and touch-screen (13) respectively; The control end of the output termination detent (2) of Programmable Logic Controller (12), the input end of Programmable Logic Controller (12) connects touch-screen (13).
4. the assay method of crank press integral stiffness as claimed in claim 2; It is characterized in that: gear train adopts gear drive or belt gear; If employing gear drive; Gear train comprises gear shaft (5) and follower gear (6), and wherein the input end of gear shaft (5) is fixedly connected the output terminal of motor (4), and follower gear (6) is fixedly mounted in the working mechanism.
5. the assay method of crank press integral stiffness as claimed in claim 2; It is characterized in that: working mechanism comprises crank (7), connecting rod (8) and slide block (9); The input end of crank (7) is fixedly connected with the output terminal of gear train; The upper end of crank (7) middle part connective pole (8), connecting rod (8) bottom connects slide block (9).
6. the numerical control formation method of hot-die die forging as claimed in claim 1 is characterized in that: motor (4) adopts switched reluctance machines or reversible electric machine.
7. the numerical control formation method of hot-die die forging as claimed in claim 3 is characterized in that: angular displacement sensor (3) adopts rotary transformer or Hall element, and detent (2) adopts disc brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102466549A CN102426109A (en) | 2011-08-23 | 2011-08-23 | Method for measuring comprehensive rigidity of crank press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102466549A CN102426109A (en) | 2011-08-23 | 2011-08-23 | Method for measuring comprehensive rigidity of crank press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102426109A true CN102426109A (en) | 2012-04-25 |
Family
ID=45960113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102466549A Pending CN102426109A (en) | 2011-08-23 | 2011-08-23 | Method for measuring comprehensive rigidity of crank press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102426109A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115866A (en) * | 2013-01-11 | 2013-05-22 | 安徽省建筑工程质量监督检测站 | Electric multifunctional bonding-strength drawing instrument |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1058794A1 (en) * | 1978-06-30 | 1983-12-07 | Воронежское Производственное Объединение По Выпуску Кузнечно-Прессового Оборудования Им.М.И.Калинина | Crank press |
| US20020020308A1 (en) * | 2000-07-21 | 2002-02-21 | Hisanobu Kanamaru | Slider link press |
| CN101476968A (en) * | 2009-01-20 | 2009-07-08 | 山东理工大学 | Integral stiffness measuring method of screw press |
| CN101474888A (en) * | 2009-01-20 | 2009-07-08 | 山东理工大学 | Numerical control method for accurate striking of screw press |
-
2011
- 2011-08-23 CN CN2011102466549A patent/CN102426109A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1058794A1 (en) * | 1978-06-30 | 1983-12-07 | Воронежское Производственное Объединение По Выпуску Кузнечно-Прессового Оборудования Им.М.И.Калинина | Crank press |
| US20020020308A1 (en) * | 2000-07-21 | 2002-02-21 | Hisanobu Kanamaru | Slider link press |
| CN101476968A (en) * | 2009-01-20 | 2009-07-08 | 山东理工大学 | Integral stiffness measuring method of screw press |
| CN101474888A (en) * | 2009-01-20 | 2009-07-08 | 山东理工大学 | Numerical control method for accurate striking of screw press |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115866A (en) * | 2013-01-11 | 2013-05-22 | 安徽省建筑工程质量监督检测站 | Electric multifunctional bonding-strength drawing instrument |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120425 |