CN103639499B - A kind of covering digital-control processing system and method thereof - Google Patents
A kind of covering digital-control processing system and method thereof Download PDFInfo
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- CN103639499B CN103639499B CN201310613544.0A CN201310613544A CN103639499B CN 103639499 B CN103639499 B CN 103639499B CN 201310613544 A CN201310613544 A CN 201310613544A CN 103639499 B CN103639499 B CN 103639499B
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Abstract
The present invention relates to a kind of covering digital-control processing system, described system comprises: one for carrying out the covering bending roll machine, of bending machining for the vacuum absorbing platform that makes bending covering flatten and the numerically controlled processing equipment for adjusting skin thickness to described covering; The present invention simultaneously also provides a kind of covering numerical-control processing method.The present invention adopted roll forming, and the covering after roll forming flattens and carries out vacuumizing and adsorbing by vacuum platform, then adopted numerical control device to carry out the processing of processing skin material thickness, thus improve the part accuracy of manufacture, improve surface quality of workpieces, improve working (machining) efficiency, more environmental protection.
Description
Technical field
The present invention relates to a kind of digital-control processing system and method, particularly, the present invention relates to a kind of covering digital-control processing system and method thereof.
Background technology
After generally adopting skin part to be shaped in aircraft skin processing, adopt milling technique to carry out following process always.Although this technique better can solve the processing problems of complicated cavity/concave surface, but its chemical contamination existed, power consumption is large, consume aluminium cannot reclaim, and chemical milling method after adopting skin part to be shaped, there is the part accuracy of manufacture low, the intrinsic drawbacks such as working (machining) efficiency is low, annoying aircraft industry always.Or machined material thickness under some enterprises employing skin part flat condition, then carry out roll forming.Machined material thickness roll forming method again under employing skin part flat condition, produce depressed phenomenon at machining milling region root and easily produce stress in roll forming process and concentrate, affect surface quality of workpieces, produce stress at machining milling region root and concentrate and affect part fatigue life.
Application number: 201210160221.6, patent name: a kind of numerical-control processing method of single degree covering chemical milling template, in this patent of invention, disclose a kind of numerical-control processing method of single degree covering chemical milling template, the gross data of the single degree skin part of milling is launched to form 2 d plane picture by computer system as required, digital control processing out-of-plane model again, is finally shaped to single degree chemical milling template.The method that this patent of invention provides is advanced line number control milling, carry out the method for brake forming again, but still cannot solve foregoing problems: produce depressed phenomenon at machining milling region root and easily produce stress in roll forming process and concentrate, affect surface quality of workpieces, produce stress at machining milling region root and concentrate and affect part fatigue life.And chemical milling method pollutes the environment, increase treatment cost.
Summary of the invention
For solving above-mentioned Problems existing, the object of the present invention is to provide a kind of covering digital-control processing system, a kind of method utilizing described system to process covering is provided simultaneously, adopted roll forming, the covering after roll forming flattens and carries out vacuumizing and adsorbing by vacuum platform, then adopts numerical control device to carry out the processing of processing skin material thickness, thus improve the part accuracy of manufacture, improve surface quality of workpieces, improve working (machining) efficiency, more environmental protection.
For achieving the above object, the present invention mainly adopts following technical scheme:
A kind of covering digital-control processing system, described system comprises: one for carrying out the covering bending roll machine, of bending machining for the vacuum absorbing platform that makes bending covering flatten and the numerically controlled processing equipment for adjusting skin thickness to described covering;
Described vacuum absorbing platform comprises: framework, vacuum-pumping tube joint, vacuum-pumping density sealing;
Described vacuum-pumping tube joint is arranged at framework side, and described vacuum-pumping density sealing is arranged at inside framework, and described vacuum-pumping density sealing one end is connected with vacuum-pumping tube joint;
Described numerically controlled processing equipment comprises: process tool and PLC control system;
Described process tool is connected with PLC control system.
According to a kind of covering digital-control processing system provided by the present invention, employing, described covering bending roll machine comprises: upper roller bearing, first time roller bearing and second time roller bearing;
Described upper roller bearing is arranged at above described covering bending roll machine, and described first time roller bearing and second time roller bearing are arranged at below described covering bending roll machine.
According to a kind of covering digital-control processing system provided by the present invention, employing, described vacuum absorbing platform also comprises: for covering is positioned locating hole, for installing the installing hole of lapping plate; Described locating hole and installing hole are arranged at frame upper surface.
According to a kind of covering digital-control processing system provided by the present invention, employing, described framework both sides are respectively arranged with hanging lifting bolt; Described framework surface is provided with lapping plate, and described lapping plate is connected with framework by installing hole.
In addition, the present invention also provides a kind of method utilizing described covering digital-control processing system covering to be carried out to digital control processing, and described method comprises the steps:
A, described covering is sent into covering bending roll machine, bending process is carried out to described covering;
B, the covering after bending process is positioned on vacuum absorbing platform, behind covering location, and adopts lapping plate to carry out clamping to described covering edge, connect vacuum extractor by vacuum-pumping tube joint, flattenings is carried out to described covering and processes;
C, delivering to numerically controlled processing equipment by being placed with through the vacuum absorbing platform of covering flattened after process, by PLC control system controlled working cutter, processing being carried out to covering and processing, finally obtaining qualified covering.
According to a kind of covering numerical-control processing method provided by the present invention, employing, in step, is positioned on first time roller bearing and second time roller bearing, by the bending process pressed down covering of upper roller bearing by covering;
In stepb, described covering completes location by locating hole;
In step C, adopt hoisting hook hang device, by hanging lifting bolt, vacuum absorbing platform is delivered to numerically controlled processing equipment.
According to a kind of covering numerical-control processing method provided by the present invention, employing, in step C, before using process tool to carry out processing process to covering, adopt dial gauge to check the flatness of covering, the claimed range of described flatness is-0.05mm ~+0.05mm.
According to a kind of covering numerical-control processing method provided by the present invention, employing, described covering is single-curved surface covering.
Beneficial effect of the present invention is: compared with employing milling technique, can improve the part accuracy of manufacture, improve surface quality of workpieces, improve working (machining) efficiency, more environmental protection.Compared with carrying out roll forming method again with machined material thickness under employing skin part flat condition, concentrate owing to producing depressed phenomenon at machining milling region root and easily producing stress in roll forming process, affect surface quality of workpieces, produce stress at machining milling region root to concentrate and affect part fatigue life, therefore there is better surface quality of workpieces and higher part fatigue life.
Accompanying drawing explanation
Fig. 1 is application covering bending roll machine carries out bending process structural representation to covering.
Fig. 2 is the structural representation of vacuum absorbing platform in the present invention.
Fig. 3 is structural representation covering being carried out to digital control processing.
Fig. 4 is the structural representation that vacuum absorbing platform arranges lapping plate and hanging lifting bolt.
Detailed description of the invention
Below in conjunction with accompanying drawing, a kind of covering digital-control processing system provided by the present invention is further explained.
Described covering digital-control processing system comprises: as shown in Figure 1, one for carrying out the covering bending roll machine, as shown in Figures 2 and 3 of bending machining to described covering 1, one for the vacuum absorbing platform that makes bending covering flatten and the numerically controlled processing equipment for adjusting skin thickness.
Wherein, as shown in Figure 1, described covering bending roll machine comprises: upper roller bearing 2, first time roller bearing 3 and second time roller bearing 4; Described upper roller bearing 2 is arranged at above described covering bending roll machine, and described first time roller bearing 3 and second time roller bearing 4 are arranged at below described covering bending roll machine.
As shown in Figure 2, described vacuum absorbing platform comprises: framework 5, vacuum-pumping tube joint 6, vacuum-pumping density sealing 7; For covering 1 is positioned locating hole 9, for installing the installing hole 10 of lapping plate; Described locating hole 9 and installing hole 10 are arranged at framework 5 upper surface.Described vacuum-pumping tube joint 6 is arranged at framework 5 side, and described vacuum-pumping density sealing 7 is arranged at inside framework 5, and described vacuum-pumping density sealing 7 one end is connected with vacuum-pumping tube joint 6.Described framework 5 both sides are respectively arranged with hanging lifting bolt 11; Described framework 5 surface is provided with lapping plate 12, and described lapping plate 12 is connected with framework 5 by installing hole 10.
Described numerically controlled processing equipment comprises: process tool 8(is as shown in Figure 3) and PLC control system (not shown); Described process tool 8 is connected with PLC control system.
Be further explained a kind of covering numerical-control processing method provided by the present invention below in conjunction with accompanying drawing, described method comprises the steps:
A, as shown in Figure 1, described covering 1 is sent into covering bending roll machine, bending process is carried out to described covering 1; Covering 1 is positioned on first time roller bearing 3 and second time roller bearing 4, by the bending process pressed down covering 1 of upper roller bearing 2; Covering cross roll forming be exactly by adjustment covering bending roll machine roller bearing between distance, obtain the skin shape (bending radius) being less than theory calls.By regulating the distance between adjustment roll bender first time roller bearing 3 and second time roller bearing 4, and controlling roller bearing 2 Bottom Runby on bending roll machine, obtaining the skin shape (bending radius) being less than theory calls.
B, as shown in Figure 3 and Figure 4, covering 1 after bending process is positioned on vacuum absorbing platform, after covering 1 is located, and adopts lapping plate 12 to carry out clamping to described covering 1 edge, connect vacuum extractor by vacuum-pumping tube joint 6, flattening process is carried out to described covering 1; Covering flattens vacuum suction, can there is Stress Release, removal is adsorbed skin shape in a free state and can be become large, by adopting roll forming, covering can be made to flatten vacuum suction and after digital control processing material, obtain the skin shape of the coincidence theory shape requirement of needs in a free state.
Vacuum absorbing platform is used for adsorbing after covering flattens, and on vacuum absorbing platform, two ends arranges locating hole 9, and the installation for skin part is located; Vacuum platform mills out seal groove and sealing ring is installed, vacuumizing and adsorbing after installing for covering; On vacuum platform, surrounding evenly installs lapping plate 12, for part periphery clamping; In vacuum platform termination, vacuum-pumping tube joint 6 is installed, vacuumizes for positive hollow panel; Hoisting hook hang device is installed, for the lifting of vacuum platform in vacuum platform two ends by hanging lifting bolt 11.Covering flattens and carries out vacuumizing and adsorbing by vacuum platform, and adopt attachment strap to enter 12 luggage folders in edge, uniform clamping power and good flatness can be obtained, avoid covering to play drum, be beneficial to covering digital control processing material thickness, avoid the thin even milling of skin material milling to wear.
C, as shown in Figure 3, the vacuum absorbing platform be placed with through flattening the covering 1 after process is delivered to numerically controlled processing equipment, adopt hoisting hook hang device, by hanging lifting bolt 11, vacuum absorbing platform is delivered to numerically controlled processing equipment, processing process is carried out by PLC control system controlled working cutter 8 pairs of coverings 1, before process, dial gauge is adopted to check the flatness of covering 1, the claimed range of described flatness is-0.05mm ~+0.05mm, afterwards processing process is carried out to covering 1, finally obtain qualified covering.
Use scriber, surplus line is put by part theoretical profile, check that whether surrounding surplus is even, roughing part plane, first milling portion of material thickness, whether the surplus material thickness measuring part is even, investigate overproof point, again according to a upper work step measured value, processing parts plane, ensures thickness deviation requirement.By adopting single degree covering to cross roll forming, carrying out flattening vacuumizing and adsorbing, then carrying out the process of digital control processing material thickness, the part accuracy of manufacture that can obtain, improving surface quality of workpieces, improving working (machining) efficiency, and environmental protection more.Described covering is single-curved surface covering.
Claims (6)
1. a covering digital-control processing system, it is characterized in that, described system comprises: one for carrying out the covering bending roll machine, of bending machining for the vacuum absorbing platform that makes bending covering flatten and the numerically controlled processing equipment for adjusting skin thickness to described covering (1);
Described vacuum absorbing platform comprises: framework (5), vacuum-pumping tube joint (6), vacuum-pumping density sealing (7);
Described vacuum-pumping tube joint (6) is arranged at framework (5) side, and described vacuum-pumping density sealing (7) is arranged at framework (5) inner side, and described vacuum-pumping density sealing (7) one end is connected with vacuum-pumping tube joint (6);
Described numerically controlled processing equipment comprises: process tool (8) and PLC control system;
Described process tool (8) is connected with PLC control system;
Described covering bending roll machine comprises: upper roller bearing (2), first time roller bearing (3) and second time roller bearing (4); Described upper roller bearing (2) is arranged at above described covering bending roll machine, and described first time roller bearing (3) and second time roller bearing (4) are arranged at below described covering bending roll machine;
Described vacuum absorbing platform also comprises: for covering (1) is positioned locating hole (9), for installing the installing hole (10) of lapping plate; Described locating hole (9) and installing hole (10) are arranged at framework (5) upper surface.
2. a kind of covering digital-control processing system according to claim 1, is characterized in that,
Described framework (5) both sides are respectively arranged with hanging lifting bolt (11); Described framework (5) surface is provided with lapping plate (12), and described lapping plate (12) is connected with framework (5) by installing hole (10).
3. utilize the covering digital-control processing system according to any one of claim 1 ~ 2 covering to be carried out to a method for digital control processing, it is characterized in that, described method comprises the steps:
A, described covering (1) is sent into covering bending roll machine, bending process is carried out to described covering (1);
B, the covering (1) after bending process is positioned on vacuum absorbing platform, behind covering (1) location, and adopt lapping plate (12) to carry out clamping to described covering (1) edge, connect vacuum extractor by vacuum-pumping tube joint (6), flattening process is carried out to described covering (1);
C, delivering to numerically controlled processing equipment by being placed with through the vacuum absorbing platform of covering (1) flattened after process, by PLC control system controlled working cutter (8), processing being carried out to covering (1) and processing, finally obtaining qualified covering.
4. a kind of covering numerical-control processing method according to claim 3, is characterized in that,
In step, covering (1) is positioned on first time roller bearing (3) and second time roller bearing (4), by the bending process pressed down covering (1) of upper roller bearing (2);
In stepb, described covering (1) completes location by locating hole (9);
In step C, adopt hoisting hook hang device, by hanging lifting bolt (11), vacuum absorbing platform is delivered to numerically controlled processing equipment.
5. a kind of covering numerical-control processing method according to claim 3, is characterized in that,
In step C, before using process tool (8) to carry out processing process to covering (1), adopt dial gauge to check the flatness of covering (1), the claimed range of described flatness is-0.05mm ~+0.05mm.
6. a kind of covering numerical-control processing method according to claim 3, is characterized in that,
Described covering is single-curved surface covering.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310613544.0A CN103639499B (en) | 2013-11-28 | 2013-11-28 | A kind of covering digital-control processing system and method thereof |
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| CN201310613544.0A CN103639499B (en) | 2013-11-28 | 2013-11-28 | A kind of covering digital-control processing system and method thereof |
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Families Citing this family (5)
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| CN104307952B (en) * | 2014-08-19 | 2017-01-18 | 深圳先进技术研究院 | Curved steel plate forming method and curved steel plate forming equipment |
| CN105414615B (en) * | 2015-09-14 | 2018-07-31 | 江西洪都航空工业集团有限责任公司 | A kind of aircraft skin undercut nature processing method |
| CN106041183B (en) * | 2016-07-05 | 2017-12-26 | 大连理工大学 | The limit axial direction cutting-in decision method of the stable milling of thin-wall curved-surface |
| CN107309658B (en) * | 2017-06-19 | 2019-05-14 | 江西洪都航空工业集团有限责任公司 | A kind of long narrow skin part processing tool and technique |
| CN111673377A (en) * | 2020-05-22 | 2020-09-18 | 浙江西子势必锐航空工业有限公司 | Manufacturing process of single-curve aircraft skin |
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