CN108043946B - 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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- CN108043946B CN108043946B CN201711237873.4A CN201711237873A CN108043946B CN 108043946 B CN108043946 B CN 108043946B CN 201711237873 A CN201711237873 A CN 201711237873A CN 108043946 B CN108043946 B CN 108043946B
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- lead screw
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- servo motor
- blanking
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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
-
- 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
Abstract
A kind of fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece of the invention, loading frequency regulating and controlling mechanism include main shaft and rotary chuck connected to it；Fatigue load loaded mechanism includes the first servo motor being installed on rotary chuck and lead screw, and first servo motor drives lead screw rotation, is vertically installed with screw on lead screw, is movably installed with blanking mold 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 clamping component, and the second servo motor of clamping component drives two-way lead screw rotation, and there are two clamping pieces for setting on two-way lead 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 it is smooth to be able to maintain section, end is without deformation, and wherein fatigue load loaded mechanism passes through the displacement of Serve Motor Control lead screw, realizes radial adjusting displacement in real time.
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 technique
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 components etc., and in these lower in material process, blanking-quantity is huge.But
There is stock utilization to some extent in the emerging cutting stock methods such as shearing, sawing and laser cutting traditional at present
Low, the problems such as blanking pressure is big, production efficiency is low, energy consumption is high, cross section quality is poor, does not meet wanting for green manufacturing and precision manufactureing
It asks.
Traditional baiting method includes that lathe cutting and sawing machine are sawed-off, although both baiting methods can obtain smooth break
Face, but that there are production efficiencys is low, the disadvantages of wasting raw material.For this purpose, punching machine or shearing are widely used 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 high, descended 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 increase production cost.
Summary of the invention
It is adjustable the purpose of the present invention is 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 high-quality, high-efficient and green energy conservation, a variety of types can be processed
Number bars and tubes material carry out blanking.
The technical scheme adopted by the invention is that: 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 sequentially connected by belt, and the other end of main shaft is connected with rotary chuck；
Fatigue load loaded mechanism includes the first servo motor being installed on rotary chuck and lead screw, first servo motor
Lead screw rotation is driven, screw is vertically installed on lead screw, is movably installed with blanking mold on screw；
Workpiece clamping mechanism includes rack, and the opposite two 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 clamping component, and clamping component includes the second servo motor and two-way silk being oppositely arranged
Thick stick, the second servo motor drive two-way lead screw rotation, and there are two clamping pieces for setting on two-way lead screw.
It further, further include cabinet, frequency control threephase asynchronous machine is set to the upper surface of cabinet, and main shaft is located at case
In vivo and its both ends is exposed across cabinet, and small pulley is located on the outside of cabinet.
Example, rotary chuck is connected to main shaft by first shaft coupling.
Example, blanking mold is installed on screw using deep groove ball bearing, and its other end is axially solid by nut
Due on screw.
It further, further include the lead screw fixing seat being set in rack, one end of two-way lead screw is installed on lead screw and fixes
Seat, the other end are connected by second shaft coupling with the second servo motor.
Preferably, two clamping pieces are V-structure and opening is oppositely arranged.
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, realizes fast to bars and tubes material
Fast blanking, and it is smooth to be able to maintain section, and end is without deformation, and wherein fatigue load loaded mechanism passes through Serve Motor Control silk
The displacement of thick stick realizes radial adjusting displacement in real time, and then controls the size for applying fatigue load, meets Multiple Type bars and tubes material
Blanking requirement.The reasonable 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
Raw and stable extension, until fracture, has structure simple, high-efficient, low energy consumption, economical and practical, and bars and tubes material cross section quality is good etc.
Advantage.
Detailed description of the invention
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 loading mechanism；
Fig. 4 is the face the B-B cross-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 face the C-C cross-sectional view of Fig. 5.
In figure, 1. frequency control threephase asynchronous machines, 2. cabinets, 3. big belt wheels, 4. belts, 5. main shafts, 6. small pulleys, 7.
Rotary chuck, 8. first shaft couplings, 9. first servo motors, 10. screws, 11. lead screws, 12. blanking molds, 13. deep-groove ball axis
It holds, 14. nuts, 15. racks, 16. second servo motors, 17. two-way lead screws, 18. second shaft couplings, 19. lead screw fixing seats,
20. fixing piece.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
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 cabinet 2 and the frequency control three-phase being set on cabinet 2
Asynchronous machine 1 and the main shaft 5 being set in cabinet 2, it is exposed that the both ends of main shaft 5 are pierced by cabinet 2, frequency control threephase asynchronous machine
1 has big belt wheel 3, and there is small pulley 6, big belt wheel 3 and small pulley 6 to be passed by belt 4 for main shaft 5 and the ipsilateral one end of big belt wheel 3
The other end of dynamic connection, main shaft 5 is 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 servo motor on 7
9 and lead screw 11, the first servo motor 9 drives lead screw 11 to rotate, and is vertically installed with screw 10, screw 10 on the lead 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 the screw 10 using deep groove ball bearing 13, and its other end is axial solid by nut 14
Due on the screw 10；When installation, scrounging to match with 13 width of deep groove ball bearing inside blanking mold 12 be can achieve
It is interference fitted desired shallow slot, 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 two parts connection is fixed with deep groove ball bearing 13, realizes that blanking mold 12 and 13 outer ring of bearing are interference fitted.
Referring to figs. 5 and 6, workpiece clamping mechanism includes rack 15, and the opposite two 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 clamping component, clamping component includes being oppositely arranged
The second servo motor 16 and lead screw fixing seat 19, two-way lead screw 17 is installed in lead screw fixing seat 19, two-way lead screw 17 it is another
One end is connected by second shaft coupling 18 with the second servo motor 16, and the second servo motor 16 drives two-way lead screw 17 to rotate, institute
State the clamping piece of clamping bars and tubes material there are two being arranged on two-way lead screw 17.Preferably, the two clamping pieces are V-structure and open
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 movement such as driving blanking, clamping, radial loaded, main axis is carried out using independent power source, realizes independent control
Each unit has reached that loading frequency is adjustable, the load time is adjustable and loaded load especially to the independent control of radial loaded
Adjustable purpose.
Specific work process and principle of the invention are as follows:
During technology for blanking, first bars and tubes material is placed in the rack 15 of workpiece clamping mechanism, is watched by starting second
Take that motor 16 drives on two-way lead screw 17 two pieces to be used as nut and the clamping piece of symmetrically placed V-type mechanism is clamped different shaped
Number workpiece.This fixed form, purpose are exactly to guarantee 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, opens frequency control threephase asynchronous machine 1 and big belt wheel 3 is driven to rotate, be driven and driven by belt
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, and blanking purpose is reached with this.The present invention will be used to drive fatigue load loaded machine
The transmission mechanisms such as the first servo motor 9 and lead screw 11 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 safety of movement.
Claims (4)
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 load 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 rotary chuck (7) is connected to main shaft (5) by first shaft coupling (8)；
The fatigue load loaded mechanism includes first servo motor (9) and the lead screw being installed on the rotary chuck (7)
(11), first servo motor (9) driving lead screw (11) rotates, and is vertically installed with screw (10), institute on the lead screw (11)
It states and is equipped on screw (10) blanking mold (12), the blanking mold (12) is installed on the silk using deep groove ball bearing (13)
On female (10), and its other end is axially fixed on the screw (10) by nut (14)；
The workpiece clamping mechanism includes rack (15), and the opposite two 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 clamping component, and the clamping component includes being oppositely arranged
Second servo motor (16) and two-way lead screw (17), second servo motor (16) drives two-way lead screw (17) rotation, described
There are two clamping pieces for setting on two-way lead 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 cabinet (2), and the frequency control threephase asynchronous machine (1) is set to the upper surface of cabinet (2), the master
Axis (5) is located in the cabinet (2) and its both ends is exposed across the cabinet (2), and the small pulley (6) is located at the cabinet
(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, further includes the lead screw fixing seat (19) being set on the rack (15), one end installation of the two-way lead screw (17)
It is connected by second shaft coupling (18) with the second servo motor (16) in the lead screw fixing seat (19), the other end.
4. a kind of fatigue fracture blanking machine of the motionless fatigue load circumferential direction CYCLIC LOADING of workpiece as claimed in claim 1 or 3,
It is characterized in that, described two clamping pieces are V-structure and opening is oppositely arranged.
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 CN108043946A (en) | 2018-05-18 |
| CN108043946B true 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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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947819B (en) * | 2018-09-27 | 2020-12-15 | 西安交通大学 | Eccentric displacement adjustable bar material rotary blanking system |
| 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 |
| 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 |
| 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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