CN102323021A - Method for measuring comprehensive rigidity of screw press and mold - Google Patents
Method for measuring comprehensive rigidity of screw press and mold Download PDFInfo
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- CN102323021A CN102323021A CN201110243183A CN201110243183A CN102323021A CN 102323021 A CN102323021 A CN 102323021A CN 201110243183 A CN201110243183 A CN 201110243183A CN 201110243183 A CN201110243183 A CN 201110243183A CN 102323021 A CN102323021 A CN 102323021A
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- fly press
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Abstract
The invention provides a method for measuring comprehensive rigidity of a screw press and a mold. The method comprises the following steps of: (1) putting a tonnage meter into the mold; (2) inputting the angular velocity omega c of a motor through a control component; (3) controlling the motor to run, controlling the motor to run at a uniform speed when the detected angular velocity value of the motor is equal to the input angular velocity omega c of the motor and striking; and (4) computing the comprehensive rigidity C0 value of the screw press, the tonnage meter and the mold with a formula according to a pressure value F displayed on the tonnage meter and computing the comprehensive rigidity value C of the screw press and the mold with a formula, wherein C1 refers to the rigidity of the tonnage meter, and J refers to the rotary inertia of the screw press. The comprehensive rigidity tested with the method comprises the longitudinal elastic deformation and torsional elastic deformation of stressed pieces of the screw press and the mold, the torsional elastic deformation of a foundation and comprehensive rigidity converted from friction force acting. The method can be applied to equipment such as screw presses and the like and shaping processes using screw presses.
Description
Technical field
The present invention provides the integral stiffness measuring method of a kind of fly press and mould, belongs to the mechanical industry equipment technical field.
Background technology
Its motion parts energy changes workpiece deformation merit, frictional work and the resilience work of deformation into during fly press work.Prior art can not accurately be calculated and measured for rigidity and frictional work vertical, that reverse comprehensive deformation, and this becomes the insoluble technical barrier in this area.Patent " integral stiffness measuring method of screw press " is though provide integral stiffness measuring method of screw press; But in practical application, also need take mould into account; Integral stiffness to fly press and mould is measured, and above-mentioned patent just is difficult to satisfy the mensuration of fly press and mould integral stiffness.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can overcome above-mentioned defective, the fly press that can conveniently measure fly press and mould integral stiffness and the integral stiffness measuring method of mould.Its technical scheme is:
The integral stiffness measuring method of a kind of fly press and mould is characterized in that adopting following steps: 1. be installed to mould on the fly press, again tonnage meter put into mould; 2. through control assembly input motor angular velocity ω c and fly press moment of inertia J; 3. through control assembly control motor action, to be checked when measuring the motor angular velocity ω c that the motor angular velocity value equals to import, control assembly control motor is at the uniform velocity implemented to hit subsequently; 4. the force value F that shows according to tonnage meter, by formula
Calculate fly press, tonnage meter and mould three's integral stiffness C
0Value, more by formula
Calculate the integral stiffness value C of fly press and mould;
ω c is the motor angular velocity of input in the formula, recommends value 3 π, C
1Rigidity for tonnage meter.
The integral stiffness measuring method of described fly press and mould; Fly press comprises motor, control assembly, gear train and is installed in the working mechanism on the fuselage; Wherein control assembly is connected with motor, and motor output shaft connects working mechanism through gear train.
The integral stiffness measuring method of described fly press and mould; 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 integral stiffness measuring method of described fly press and mould; Gear train is meant belt gear and gear drive; Wherein belt gear comprises driving pulley, driving-belt and driven pulley, and gear drive comprises gear shaft and follower gear, and driving pulley is fixedly mounted on the output shaft of motor; Driven pulley is fixedly mounted on the gear shaft, and follower gear is fixedly mounted in the working mechanism.
The integral stiffness measuring method of described fly press and mould; Working mechanism comprises screw rod, top nut, lower nut and slide block; Wherein the upper end of screw rod connects gear train, and the screw rod middle part connects fuselage through top nut, and the screw rod bottom connects slide block through lower nut.
The integral stiffness measuring method of described fly press and mould, mould comprises upper die and lower die; Motor adopts switched reluctance machines or reversible electric machine.
The integral stiffness measuring method of described fly press and mould, angular displacement sensor can adopt rotary transformer or Hall element, and detent adopts disc brake.
The present invention compared with prior art its advantage is: the integral stiffness of being tested comprises the distortion of stressed member longitudinal elasticity, elasticity of torsion distortion, the elasticity of torsion distortion of ground and the integral stiffness that friction working is amounted to of fly press and mould, can be used for equipment and the forming technology that uses fly press such as fly press.
Description of drawings
Fig. 1 is the structural representation of the fly press embodiment that the present invention relates to.
Among the figure: 1, electric machine controller 2, detent 3, angular displacement sensor 4, motor 5, driving pulley 6, driving-belt 7, driven pulley 8, gear shaft 9, follower gear 10, top nut 11, screw rod 12, lower nut 13, slide block 14, patrix 15, tonnage meter 16, counterdie 17, backing plate 18, fuselage 19, Programmable Logic Controller 20, touch-screen
Embodiment
Below in conjunction with accompanying drawing the present invention is further specified: fly press comprises motor 4, control assembly, gear train and is installed in the working mechanism on the fuselage 18, wherein:
Gear train is meant belt gear and gear drive; Wherein belt gear comprises driving pulley 5, driving-belt 6 and driven pulley 7; Gear drive comprises gear shaft 8 and follower gear 9; Driving pulley 5 is fixedly mounted on the output shaft of motor 4, and driven pulley 7 is fixedly mounted on the gear shaft 8, and follower gear 9 is fixedly mounted in the working mechanism.
Working mechanism comprises screw rod 11, top nut 10, lower nut 12 and slide block 13, and wherein the upper end of screw rod 11 connects gear train, and screw rod 11 middle parts connect fuselage 18 through top nut 10, and screw rod 11 bottoms connect slide block 13 through lower nut 12; Mould comprises patrix 14 and counterdie 16.
Among the embodiment, the rigidity C of tonnage meter 15
1Be 2 * 10
9Nm
-1, fly press moment of inertia J is 100kgm
2, specifically the mensuration process is:
1. be installed to patrix 14 and counterdie 16 on the fly press, again tonnage meter 15 put between patrix 14 and the counterdie 16; 2. through touch-screen 20 input motor angular velocity ω c and fly press moment of inertia J values, be respectively 10s
-1And 100kgm
23. through 4 actions of electric machine controller 1 control motor, when treating that angular displacement sensor 3 detects the motor angular velocity ω c that the motor angular velocity value equals to import, electric machine controller 1 control motor 4 is at the uniform velocity implemented to hit subsequently, and the force value F that tonnage meter 15 shows is 3 * 10
6N; 4. the force value F that shows according to tonnage meter 15, by formula
Calculate fly press, tonnage meter 15 and mould three's integral stiffness C
0Value is 0.9 * 10
9Nm
-1, more by formula
Calculating the C value is 1.6 * 10
9Nm
-1, promptly the integral stiffness value of fly press and mould is 1.6 * 10
9Nm
-1
Claims (8)
1. the integral stiffness measuring method of fly press and mould is characterized in that adopting following steps: 1. be installed to mould on the fly press, again tonnage meter (15) put into mould; 2. through control assembly input motor angular velocity ω c and fly press moment of inertia J; 3. through control assembly control motor (4) action, to be checked when measuring the motor angular velocity ω c that the motor angular velocity value equals to import, control assembly control motor (4) is at the uniform velocity implemented to hit subsequently; 4. the force value F that shows according to tonnage meter (15), by formula
Calculate fly press, tonnage meter (15) and mould three's integral stiffness C
0Value, more by formula
Calculate the integral stiffness value C of fly press and mould;
ω c is the motor angular velocity of input in the formula, recommends value 3 π, C
1Rigidity for tonnage meter (15).
2. the integral stiffness measuring method of fly press as claimed in claim 1 and mould; It is characterized in that: fly press comprises motor (4), control assembly, gear train and is installed in the working mechanism on the fuselage (18); Wherein control assembly is connected with motor (4), and motor (4) output shaft connects working mechanism through gear train.
3. the integral stiffness measuring method of fly press as claimed in claim 2 and mould; It is characterized in that: control assembly comprises electric machine controller (1), detent (2), angular displacement sensor (3), Programmable Logic Controller (19) and touch-screen (20); 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 (19) and touch-screen (20) respectively; The control end of the output termination detent (2) of Programmable Logic Controller (19), the input end of Programmable Logic Controller (19) connects touch-screen (20).
4. the integral stiffness measuring method of fly press as claimed in claim 2 and mould; It is characterized in that: gear train is meant belt gear and gear drive; Wherein belt gear comprises driving pulley (5), driving-belt (6) and driven pulley (7), and gear drive comprises gear shaft (8) and follower gear (9), and driving pulley (5) is fixedly mounted on the output shaft of motor (4); Driven pulley (7) is fixedly mounted on the gear shaft (8), and follower gear (9) is fixedly mounted in the working mechanism.
5. the integral stiffness measuring method of fly press as claimed in claim 2 and mould; It is characterized in that: working mechanism comprises screw rod (11), top nut (10), lower nut (12) and slide block (13); Wherein the upper end of screw rod (11) connects gear train; Screw rod (11) middle part connects fuselage (18) through top nut (10), and screw rod (11) bottom connects slide block (13) through lower nut (12).
6. the integral stiffness measuring method of fly press as claimed in claim 2 and mould is characterized in that: mould comprises patrix (14) and counterdie (16).
7. the integral stiffness measuring method of fly press as claimed in claim 1 and mould is characterized in that: motor (4) adopts switched reluctance machines or reversible electric machine.
8. the integral stiffness measuring method of fly press as claimed in claim 3 and mould is characterized in that: angular displacement sensor (3) adopts rotary transformer or Hall element, and detent (2) adopts disc brake (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110243183A CN102323021A (en) | 2011-08-23 | 2011-08-23 | Method for measuring comprehensive rigidity of screw press and mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110243183A CN102323021A (en) | 2011-08-23 | 2011-08-23 | Method for measuring comprehensive rigidity of screw press and mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102323021A true CN102323021A (en) | 2012-01-18 |
Family
ID=45450810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110243183A Pending CN102323021A (en) | 2011-08-23 | 2011-08-23 | Method for measuring comprehensive rigidity of screw press and mold |
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| Country | Link |
|---|---|
| CN (1) | CN102323021A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721562A (en) * | 2020-06-05 | 2020-09-29 | 扬力集团股份有限公司 | Energy testing device for press |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020020308A1 (en) * | 2000-07-21 | 2002-02-21 | Hisanobu Kanamaru | Slider link press |
| CN1970285A (en) * | 2005-11-25 | 2007-05-30 | 山东科汇电气股份有限公司 | Digital control method for spiral pressure machine transmission and digital control spiral pressure machine |
| CN101476968A (en) * | 2009-01-20 | 2009-07-08 | 山东理工大学 | Integral stiffness measuring method of screw press |
-
2011
- 2011-08-23 CN CN201110243183A patent/CN102323021A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020020308A1 (en) * | 2000-07-21 | 2002-02-21 | Hisanobu Kanamaru | Slider link press |
| CN1970285A (en) * | 2005-11-25 | 2007-05-30 | 山东科汇电气股份有限公司 | Digital control method for spiral pressure machine transmission and digital control spiral pressure machine |
| CN101476968A (en) * | 2009-01-20 | 2009-07-08 | 山东理工大学 | Integral stiffness measuring method of screw press |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721562A (en) * | 2020-06-05 | 2020-09-29 | 扬力集团股份有限公司 | Energy testing device for press |
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Application publication date: 20120118 |