CN108043946A - A kind of fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece - Google Patents
A kind of fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece Download PDFInfo
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- CN108043946A CN108043946A CN201711237873.4A CN201711237873A CN108043946A CN 108043946 A CN108043946 A CN 108043946A CN 201711237873 A CN201711237873 A CN 201711237873A CN 108043946 A CN108043946 A CN 108043946A
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- leading screw
- fatigue
- workpiece
- motionless
- circumferential direction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
A kind of fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece of the present invention, loading frequency regulating and controlling mechanism include main shaft and rotary chuck connected to it；Fatigue load loaded mechanism includes the first servomotor and the leading screw that are installed on rotary chuck, and the first servomotor driving leading screw rotates, is vertically installed with screw on leading screw, blanking mold is movably installed on screw；Workpiece clamping mechanism includes inlet port and outlet port, and the position of inlet port and outlet port is respectively arranged with a clamp assembly, and the second servomotor of clamp assembly drives two-way leading screw to rotate, and there are two clamping pieces for setting on two-way leading screw.The present invention utilizes fatigue fracture principle, promote to generate multiple fatigue crack sources at the prefabricated stress breach of bars and tubes material, promote rapid crack, it realizes to bars and tubes material fast blanking, and section can be kept smooth, it realizes by the displacement of Serve Motor Control leading screw without deformation, wherein fatigue load loaded mechanism and radially adjusts displacement in real time in end.
Description
Technical field
The invention belongs to blanking machine technical fields, and in particular to a kind of motionless fatigue load circumferential direction CYCLIC LOADING of workpiece it is tired
Labor is broken blanking machine.
Background technology
The blanking of metal rod material is widely present in cold extrusion, die forging, metal bracelet pin, rolling bearing roller, pin mark
In the procedure for preparation of quasi- part and shaft forgings and bearing parts etc., and in these lower in material process, blanking-quantity is huge.But
There are stock utilizations to some extent in the emerging cutting stock methods such as shearing, sawing and laser cutting traditional at present
The problems such as low, blanking pressure is big, low production efficiency, high energy consumption, poor cross section quality, do not meet green manufacturing and precision manufactureing will
It asks.
Traditional baiting method includes lathe cut-out and sawing machine is sawed-off, although both baiting methods can obtain smooth break
Face, but there are low production efficiency, the shortcomings of wasting raw material.For this purpose, widely used punching machine or shearing in later industrial production
The method that machine blanking machine carries out shearing blanking, but common shearing blanking method blanking pressure is big, energy consumption is big, descends bar section
The apparent shape of a hoof is presented, ellipse is presented in materials in the tube section, in order to meet the requirement of such as cold extrusion next procedure, it has to
The process for arranging the smooth section of one of turning after common shearing blanking again, this reduces production efficiency, wastes material
And add production cost.
The content of the invention
It is adjustable it is an object of the invention to provide a kind of fatigue load, the size of loading frequency and load time, and
It is capable of the fatigue fracture blanking machine of independent control, has the advantages that quality is good, efficient and green energy conservation, a variety of types can be processed
Number bars and tubes material carry out blanking.
The technical solution adopted in the present invention is：Under a kind of fatigue fracture of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece
Material machine, including loading frequency regulating and controlling mechanism, fatigue load loaded mechanism and workpiece clamping mechanism three parts,
Loading frequency regulating and controlling mechanism includes that there is the frequency control threephase asynchronous machine of big belt wheel and one end to be provided with small band
The main shaft of wheel, big belt wheel and small pulley are connected by belt transmission, and the other end of main shaft is connected with rotary chuck；
Fatigue load loaded mechanism includes the first servomotor and the leading screw that are installed on rotary chuck, the first servomotor
Leading screw rotation is driven, screw is vertically installed on leading screw, blanking mold is movably installed on screw；
Workpiece clamping mechanism includes rack, and the opposite both sides of rack are respectively arranged with inlet port and outlet port, feed inlet and
The position of discharge port is respectively arranged with a clamp assembly, and clamp assembly includes the second servomotor being oppositely arranged and two-way silk
Thick stick, the second servomotor drive two-way leading screw to rotate, and there are two clamping pieces for setting on two-way leading screw.
Further, babinet is further included, frequency control threephase asynchronous machine is arranged at the upper surface of babinet, and main shaft is located at case
In vivo and its both ends is exposed through babinet, and small pulley is located on the outside of babinet.
Example, rotary chuck is connected to main shaft by first shaft coupling.
Example, blanking mold is installed on using deep groove ball bearing on screw, and its other end is axially solid by nut
Due on screw.
Further, the leading screw fixed seat being arranged in rack is further included, one end of two-way leading screw is installed on leading screw and fixes
Seat, the other end are connected by second shaft coupling with the second servomotor.
Preferably, two clamping pieces are oppositely arranged for V-structure and opening.
A kind of fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece of the present invention is former using fatigue fracture
Reason promotes to generate multiple fatigue crack sources at the prefabricated stress breach of bars and tubes material, promotes rapid crack, realize fast to bars and tubes material
Fast blanking, and section can be kept smooth, end passes through Serve Motor Control silk without deformation, wherein fatigue load loaded mechanism
The displacement of thick stick is realized and radially adjusts displacement in real time, and then controls the size for applying fatigue load, meets Multiple Type bars and tubes material
Blanking requirement.The rational topology layout of present invention fatigue blanking machine and structure design can promote the quick of micro-crack on bars and tubes material to sprout
It is raw and stablize extension, until fracture, have simple in structure, efficient, low energy consumption, economical and practical, and bars and tubes material cross section quality is good etc.
Advantage.
Description of the drawings
Fig. 1 is a kind of structural representation of the fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece of the present invention
Figure；
Fig. 2 is a kind of loading frequency of the fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece of the present invention
The structural front view of regulating and controlling mechanism；
Fig. 3 is a kind of fatigue load of the fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece of the present invention
The structural front view of load maintainer；
Fig. 4 is the B-B faces sectional view of Fig. 3；
Fig. 5 is a kind of Workpiece clamping of the fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece of the present invention
The structural front view of mechanism；
Fig. 6 is the C-C faces sectional view of Fig. 5.
In figure, 1. frequency control threephase asynchronous machines, 2. babinets, 3. big belt wheels, 4. belts, 5. main shafts, 6. small pulleys, 7.
Rotary chuck, 8. first shaft couplings, 9. first servomotors, 10. screws, 11. leading screws, 12. blanking molds, 13. deep-groove ball axis
It holds, 14. nuts, 15. racks, 16. second servomotors, 17. two-way leading screws, 18. second shaft couplings, 19. leading screw fixed seats,
20. fixing piece.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
Referring to Fig. 1, a kind of fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece provided by the invention
It is made of loading frequency regulating and controlling mechanism, fatigue load loaded mechanism and workpiece clamping mechanism three parts,
Referring to Fig. 2, the loading frequency regulating and controlling mechanism includes babinet 2 and the frequency control three-phase being arranged on babinet 2
Asynchronous machine 1 and the main shaft 5 being arranged in babinet 2, it is exposed that the both ends of main shaft 5 are pierced by babinet 2, frequency control threephase asynchronous machine
1 has big belt wheel 3, and main shaft 5 and one end of 3 homonymy of big belt wheel have small pulley 6, and big belt wheel 3 and small pulley 6 are passed by belt 4
Dynamic connection, the other end of main shaft 5 are connected with rotary chuck 7 by first shaft coupling 8.
Referring to Fig. 3 and Fig. 4, fatigue load loaded mechanism includes being installed on the rotary chuck, the first servomotor on 7
9 and leading screw 11, first servomotor 9 drives leading screw 11 to rotate, and screw 10, screw 10 are vertically installed on the leading screw 11
On be movably installed with blanking mold 12, blanking mold 12 can be while rotating with main shaft 5, itself also can rotation.Into one
Step, blanking mold 12 is installed on using deep groove ball bearing 13 on the screw 10, and its other end is axial solid by nut 14
Due on the screw 10；During installation, scrounge inside blanking mold 12 and match and can reach with 13 width of deep groove ball bearing
The shallow slot of requirement is interference fitted, deep groove ball bearing 13 is first put into slot by when installation to be compressed, then consolidating by bolt and nut again
Determine part 20 to fix two parts connection with deep groove ball bearing 13, realize that blanking mold 12 is interference fitted with 13 outer ring of bearing.
Referring to Fig. 5 and Fig. 6, workpiece clamping mechanism includes rack 15, and the opposite both sides of rack 15 are respectively arranged with feed inlet
And discharge port, the position of the inlet port and outlet port are respectively arranged with a clamp assembly, clamp assembly includes being oppositely arranged
The second servomotor 16 and leading screw fixed seat 19, two-way leading screw 17 is installed in leading screw fixed seat 19, two-way leading screw 17 it is another
One end is connected by second shaft coupling 18 with the second servomotor 16, and the second servomotor 16 drives two-way leading screw 17 to rotate, institute
State the clamping piece of clamping bars and tubes material there are two being set on two-way leading screw 17.Preferably, the two clamping pieces for V-structure and are opened
Mouth is oppositely arranged.
From a kind of entire blanking of the fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece of the present invention
From the point of view of journey, the actions such as blanking, clamping, radial loaded, main axis are driven using independent power source, realize independent control
Each unit, the particularly independent control to radial loaded, have reached that loading frequency is adjustable, the load time is adjustable and loaded load
Adjustable purpose.
The present invention specific work process and principle be：
During technology for blanking, first bars and tubes material is placed in the rack 15 of workpiece clamping mechanism, is watched by starting second
Taking motor 16 drives two pieces of clamping pieces as nut and symmetrically placed V-type mechanism on two-way leading screw 17 to be clamped different shaped
Number workpiece.This fixed form, purpose are exactly to ensure that the bars and tubes material of different model is being unclamped --- clamping ---
Synchronism during release, and bars and tubes material can be made to keep concentric with entire cutting agency after clamping.
When carrying out blanking, open frequency control threephase asynchronous machine 1 and big belt wheel 3 is driven to rotate, driven by belt transmission
Main shaft 5, main shaft 5 drive rotary chuck 7 rotate, at the same time, blanking mold 12 can radial direction to metal tube bar carry out 0~
Radial displacement adjusting is carried out in the range of 5mm, blanking purpose is reached with this.The present invention will be used for driving fatigue load loaded machine
The first servomotor 9 and 11 grade transmission mechanisms of leading screw of structure are installed on rotary chuck 7, while can be in 7 boss of rotary chuck
Both ends install limitation of the travel switch as the distance to transmission additional respectively, further ensure that the accuracy and security of movement.
Claims (6)
1. a kind of fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece, which is characterized in that including loading frequency
Rate regulating and controlling mechanism, fatigue load loaded mechanism and workpiece clamping mechanism three parts,
The loading frequency regulating and controlling mechanism includes frequency control threephase asynchronous machine (1) and one end setting with big belt wheel (3)
There are the main shaft (5) of small pulley (6), the big belt wheel (3) and small pulley (6) to be sequentially connected by belt (4), the main shaft (5)
The other end be connected with rotary chuck (7)；
The fatigue load loaded mechanism includes the first servomotor (9) and the leading screw that are installed on the rotary chuck (7)
(11), the first servomotor (9) driving leading screw (11) rotates, and screw (10), institute are vertically installed on the leading screw (11)
It states and blanking mold (12) is movably installed on screw (10)；
The workpiece clamping mechanism includes rack (15), and the opposite both sides of the rack (15) are respectively arranged with feed inlet and discharging
Mouthful, the position of the inlet port and outlet port is respectively arranged with a clamp assembly, and the clamp assembly includes what is be oppositely arranged
Second servomotor (16) and two-way leading screw (17), second servomotor (16) drives two-way leading screw (17) rotation, described
Clamping piece there are two being set on two-way leading screw (17).
2. a kind of fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece as described in claim 1, special
Sign is, further includes babinet (2), and the frequency control threephase asynchronous machine (1) is arranged at the upper surface of babinet (2), the master
Axis (5) is located in the babinet (2) and its both ends is exposed through the babinet (2), and the small pulley (6) is located at the babinet
(2) outside.
3. a kind of fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece as described in claim 1, special
Sign is that the rotary chuck (7) is connected to main shaft (5) by first shaft coupling (8).
4. a kind of fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece as described in claim 1, special
Sign is that the blanking mold (12) is installed on using deep groove ball bearing (13) on the screw (10), and its other end passes through
Nut (14) is axially fixed on the screw (10).
5. a kind of fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece as described in claim 1, special
Sign is, further includes the leading screw fixed seat (19) being arranged in the rack (15), one end installation of the two-way leading screw (17)
It is connected in the leading screw fixed seat (19), the other end by second shaft coupling (18) with the second servomotor (16).
6. a kind of fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece as described in claim 1 or 5,
It is characterized in that, described two clamping pieces are oppositely arranged for V-structure and opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711237873.4A CN108043946B (en) | 2017-11-30 | 2017-11-30 | A kind of fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711237873.4A CN108043946B (en) | 2017-11-30 | 2017-11-30 | A kind of fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108043946A true CN108043946A (en) | 2018-05-18 |
| CN108043946B CN108043946B (en) | 2019-08-16 |
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|---|---|---|---|
| CN201711237873.4A Active CN108043946B (en) | 2017-11-30 | 2017-11-30 | A kind of fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570433A (en) * | 2018-10-19 | 2019-04-05 | 西安理工大学 | A kind of stick tubing fatigue fracture blanking machine of radial loaded displacement real-time, tunable |
| CN110947819A (en) * | 2018-09-27 | 2020-04-03 | 西安交通大学 | Eccentric displacement adjustable bar material rotary blanking system |
| CN111299414A (en) * | 2020-02-25 | 2020-06-19 | 中国石油大学(华东) | Deflection controllable and cracked tip passivation expansion radius compensation mechanism |
| CN114515966A (en) * | 2022-02-23 | 2022-05-20 | 中国石油大学(华东) | Cutting and rotary bending cooperative fatigue low-stress blanking device and method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947819A (en) * | 2018-09-27 | 2020-04-03 | 西安交通大学 | Eccentric displacement adjustable bar material rotary blanking system |
| CN110947819B (en) * | 2018-09-27 | 2020-12-15 | 西安交通大学 | Eccentric displacement adjustable bar material rotary blanking system |
| CN109570433A (en) * | 2018-10-19 | 2019-04-05 | 西安理工大学 | A kind of stick tubing fatigue fracture blanking machine of radial loaded displacement real-time, tunable |
| CN109570433B (en) * | 2018-10-19 | 2020-06-26 | 西安理工大学 | Rod pipe fatigue fracture blanking machine with real-time adjustable radial loading displacement |
| CN111299414A (en) * | 2020-02-25 | 2020-06-19 | 中国石油大学(华东) | Deflection controllable and cracked tip passivation expansion radius compensation mechanism |
| CN111299414B (en) * | 2020-02-25 | 2021-11-19 | 中国石油大学(华东) | Deflection controllable and cracked tip passivation expansion radius compensation mechanism |
| CN114515966A (en) * | 2022-02-23 | 2022-05-20 | 中国石油大学(华东) | Cutting and rotary bending cooperative fatigue low-stress blanking device and method |
| CN114515966B (en) * | 2022-02-23 | 2022-12-20 | 中国石油大学(华东) | Cutting and rotary bending cooperative fatigue low-stress blanking device and method |
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