CN102963010A - Shearing mechanism of resin-based fiber placement system - Google Patents
Shearing mechanism of resin-based fiber placement system Download PDFInfo
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- CN102963010A CN102963010A CN2012104998287A CN201210499828A CN102963010A CN 102963010 A CN102963010 A CN 102963010A CN 2012104998287 A CN2012104998287 A CN 2012104998287A CN 201210499828 A CN201210499828 A CN 201210499828A CN 102963010 A CN102963010 A CN 102963010A
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Abstract
The invention discloses a shearing mechanism of a resin-based fiber placement system, which is applied to the field of fiber placement manufacturing of resin-based composite material members. The shearing mechanism mainly comprises the following elements: a bevel-connection blade, a knife handle block, a cylinder frame, a chopping board, a chopping board gap and a device driving element cylinder. The bevel-connection blade is connected with the knife handle block which is connected with a cylinder rod, the cylinder is arranged on the cylinder frame, and finally, the whole shearing mechanism is integrated into a fiber placement head of the fiber placement system through a mounting hole. In fiber placement process, a fiber prepreg tape is conveyed to enter the chopping board, the gas is introduced into the cylinder, the knife handle block and the bevel-connection blade fast move downwards through a via hole in the cylinder frame under the driving of the cylinder rod, thereby further cutting the fiber prepreg tape placed on the chopping board by the bevel-connection blade.
Description
Technical field:
Patent of the present invention relates to polymer matrix composites and makes the field, is used for based on resin-based fiber piddler equipment, is specifically related to a kind of cutting mechanism based on resin-based fiber piddler system.
Background technology:
Resin base fiber reinforced composite material has that density is little, specific strength is high, specific modulus is high, fatigue resistance and corrosion resistance are high, and the advantages such as structure-function integration, integrated manufacturing system (IMS).In fields such as Aero-Space, wind power generation blade, automobiles boundless application prospect is arranged.Fiber piddler technology is a kind of resin base fiber reinforced composite material automation, high-quality manufacturing technology, is a kind of full-automatic manufacturing technology that grows up on the basis of existing winding and automated tape-laying technology.Fiber piddler technology has been inherited the advantage of Filament-wound Machine and automated tape-laying technology, for the member of processed complex body provides possibility.
In the piddler process, after the fiber arrowband is laid in the mould surface according to the predetermined path of robot, just need to the passage place in the piddler head be cut off by the fiber arrowband, so that follow-up again lay.This just need to guarantee cutting off smoothly and second-pumping of fiber arrowband at a kind of reliability height of piddler head design, life-span length, shearing mechanism special simple in structure, so that follow-up fiber placement can carry out smoothly.
In existing fiber piddler system, typical cutting mechanism, and what adopt is the mode that " cut off " in gap that two blades " were chopped " or utilized to the flat mouth blade off.The mode of " chopping off " impacts impact and damaged fiber passage and blade to whole mechanism easily, and blade is short service life, and required cutting force is also larger, and fabric strip is absorbed in the passage after being cut off easily simultaneously, is unfavorable for again carrying; And the mode structure that " cut off " in the gap that utilizes two blades is complicated, is unfavorable for being integrated in the less piddler head of physical dimension, and required cutting force is also larger, and blade abrasion and damage are more serious, the shortcomings such as blade weak point in service life.
Summary of the invention:
In order to overcome the shortcoming of above-mentioned prior art, the present invention designs a kind of cutting mechanism based on resin-based fiber piddler system, adopt cylinder as power source, drive the angle blade and cut off the fiber arrowband by the mode of " cut and cut ", simple in structure, cost is lower, required cutting force is very little, blade abrasion light, long service life, and reliability is high, and air consumption is few, energy-conservation, the fabric strip quality of tube cutting is good, be beneficial to the advantages such as again conveying, improved the reliability of automation fiber piddler equipment.
In order to realize above-mentioned task, the present invention takes following technical solution:
A kind of cutting mechanism based on resin-based fiber piddler system, this mechanism mainly comprises the driving element cylinder of angle blade, handle of a knife piece, cylinder frame, chopping block, chopping block slit and device; In this mechanism, the angle blade is connected with cylinder by the handle of a knife piece, and cylinder is installed on the cylinder frame, and the angle blade is positioned at directly over the chopping block slit, and whole cutting mechanism is integrated in the piddler head of piddler system; In the piddler process, fiber prepreg tape is transported on the chopping block, cylinder ventilation, the angle blade under the drive of cylinder, downward rapid movement, and then finish the angle blade to the cutting of the fiber prepreg tape of lay on the chopping block.
The value of the cutting edge inclination alpha of described angle blade is 15 ° to 75 °.
The value of the blade angle β of described angle blade is 20 ° to 60 °.
The width in described chopping block slit be the angle blade thickness 1.5-3 doubly.
In the described mechanism, adopt double-acting cylinder, namely air-flow end interface from the cylinder enters, and when discharging from lower end interface, cylinder drives the angle blade and moves downward, and finishes the cutting to fiber prepreg tape, and the angle blade enters in the chopping block slit; When air-flow end interface under the cylinder enters, when discharging from upper end interface, cylinder drives the angle blade and move up to initial position from the chopping block slit, finishes once complete shearing motion.
In the described mechanism, an exhaust casing is installed on the cylinder frame by nut, spring shim, and cylinder frame is installed in the piddler head of fiber piddler system by installing hole.
Cylinder frame comprises coaxial the first installing hole and via hole, and cylinder is installed in the first installing hole, and the handle of a knife piece is in via hole, and the angle blade exposes via hole.
Cylinder frame further is provided with the second installing hole, described the second installing hole and the first mounting hole site in same plane and the second mounting hole site in the first installing hole both sides, so that whole cutting mechanism is integrated in the piddler head of piddler system.
The invention has the beneficial effects as follows:
1, adopt cylinder as power source, allow cylinder rod drive the angle blade and cut off the fiber arrowband by the mode of " cut and cut ", required cutting force is very little, blade abrasion light, long service life, reliability is high, air consumption is few, energy-conservation, the fabric strip quality of tube cutting is good, be beneficial to the advantages such as again conveying, improved the reliability of automation fiber piddler equipment.
2, apparatus structure is compact, simple, and control is easy, and cost is lower, and it is convenient to use.Thread standard spare is all adopted in the connection of this cutting mechanism, easy accessibility, interchangeability is strong, each cylinder each self-driven one blade, separately control, mutually noninterfere.
Description of drawings:
Fig. 1 is the schematic three dimensional views of cutting mechanism part parts of the present invention.
Fig. 2 is the integrally-built schematic three dimensional views of cutting mechanism of the present invention.
Fig. 3 is the structural representation of cutting mechanism angle blade and chopping block.
Fig. 4 is the structural representation of angle blade of the present invention.
Fig. 5 is the schematic diagram of angle blade cutting edge angle of the present invention.
In the accompanying drawing: 1. angle blade 2. handle of a knife pieces 3. cylinders 4. pneumatic interface 5. first nuts 6. first spring shims 7. second nuts 8. second spring shims 9. the 3rd nut 10. the 3rd spring shim 11. bolts 12. cylinder frames 13. first installing holes 14. second installing holes 15. via holes 16 chopping blocks 17. fiber prepreg tapes 18. cylinder rods 19. chopping block slits
The specific embodiment:
Below in conjunction with accompanying drawing a kind of embodiment of the present invention is described in detail.
Shown in Fig. 1,2,3,4,5, this mechanism mainly comprises the driving element cylinder 3 of angle blade 1, handle of a knife piece 2, cylinder frame 12, chopping block 16, chopping block slit 19 and device; In this mechanism, angle blade 1 is connected with handle of a knife piece 2 by bolt 11, the 3rd spring shim 10, the 3rd nut 9, handle of a knife piece 2 is connected with cylinder rod 18 by the second spring shim 8, the second nut 7, cylinder 3 is installed in the first installing hole 13 on the cylinder frame 12 by the first nut 5, the first spring shim 6, and last whole cutting mechanism is integrated in the piddler head of piddler system by the second installing hole 14.Please especially in conjunction with shown in Figure 3, in the piddler process, fiber prepreg tape 17 is transported on the chopping block 16 and across on the chopping block slit, cylinder 3 is by pneumatic interface 4 ventilations, handle of a knife piece 2 and angle blade 1 are under the drive of cylinder rod 18, by the via hole 15 on the cylinder frame 12, downward rapid movement, and then finish the cutting of the fiber prepreg tape 17 of lay on 1 pair of chopping block 16 of angle blade.
The size of the cutting edge inclination alpha of angle blade 1 has a scope, generally gets 15 ° to 75 °, when α in this scope during value, in shear history, it is higher to shear reliability, the inclined plane that described cutting edge inclination alpha is the angle blade and horizontal angle.
The size of the blade angle β of angle blade 1 has a scope, generally get 20 ° to 60 °, when β in this scope during value, the tool edge wear-proof of angle blade 1 decreases, blade life is higher, the angle between the pair of angled face that described blade angle β is the angle blade.
The width in the thickness of angle blade 1 and chopping block slit 19 has a proportion, the width in general chopping block slit 19 be angle blade 1 thickness 1.5-3 doubly, in this scope, fiber prepreg tape 17 is easy to be cut off, and the section of fiber prepreg tape 17 is more smooth.
In this mechanism, adopt double-acting cylinder 3, namely air-flow end interface from the cylinder enters, when discharging from lower end interface, cylinder rod 18 drives angle blade 1 by handle of a knife piece 2 and moves downward, and finishes the cutting to fiber prepreg tape 17, and angle blade 1 enters in the chopping block slit 19; When air-flow end interface under the cylinder enters, when discharging from upper end interface, cylinder rod 18 drives angle blades 1 by handle of a knife piece 2 and move up to initial position from chopping block slit 19, finishes once complete shearing motion.
In this mechanism, an exhaust casing 3 is installed on the cylinder frame 12 by the first nut 5, the first spring shim 6, and cylinder frame 12 is installed in the piddler head of fiber piddler system by the second installing hole 14.
Above content is the further description of the present invention being done in conjunction with concrete preferred embodiment; can not assert that the specific embodiment of the present invention only limits to this; without departing from the inventive concept of the premise; the simple deduction or replace of making all should be considered as belonging to the present invention and determine scope of patent protection by claims of submitting to.
Claims (8)
1. based on the cutting mechanism of resin-based fiber piddler system, it is characterized in that: this mechanism mainly comprises angle blade (1), handle of a knife piece (2), cylinder frame (12), chopping block (16), chopping block slit (19) and cylinder (3); In this mechanism, angle blade (1) is connected with handle of a knife piece (2), and handle of a knife piece (2) is connected with cylinder, and cylinder (3) is installed on the cylinder frame (12), angle blade (1) be positioned at chopping block slit (19) directly over, whole cutting mechanism is integrated in the piddler head of piddler system; In the piddler process, fiber prepreg tape (17) is transported on the chopping block (16), cylinder (3) ventilation, handle of a knife piece (2) and angle blade (1) are under the drive of cylinder (3), downward rapid movement, and then finish angle blade (1) to the cutting of the fiber prepreg tape (17) of the upper lay of chopping block (16).
2. the cutting mechanism based on resin-based fiber piddler system as claimed in claim 1, it is characterized in that: the value of the cutting edge inclination alpha of angle blade (1) is 15 ° to 75 °, the inclined plane that described cutting edge inclination alpha is the angle blade and horizontal angle.
3. the cutting mechanism based on resin-based fiber piddler system as claimed in claim 1, it is characterized in that: the value of the blade angle β of angle blade (1) is 20 ° to 60 °, the angle between the pair of angled face that described blade angle β is the angle blade.
4. the cutting mechanism based on resin-based fiber piddler system as claimed in claim 1 is characterized in that: the width of chopping block slit (19) be angle blade (1) thickness 1.5-3 doubly.
5. the cutting mechanism based on resin-based fiber piddler system as claimed in claim 1, it is characterized in that: in this mechanism, adopt double-acting cylinder (3), being air-flow from the cylinder, end interface enters, when discharging from lower end interface, cylinder (3) drives angle blade (1) and moves downward, and finishes the cutting to fiber prepreg tape (17), and angle blade (1) enters in the chopping block slit (19); When air-flow end interface under the cylinder enters, when discharging from upper end interface, cylinder (3) drives angle blade (1) and move up to initial position from chopping block slit (19), finishes once complete shearing motion.
6. the cutting mechanism based on resin-based fiber piddler system as claimed in claim 1, it is characterized in that: in this mechanism, one exhaust casing (3) is installed on the cylinder frame (12) by nut (5), spring shim (6), and cylinder frame (12) is installed in the piddler head of fiber piddler system by installing hole (14).
7. such as the described cutting mechanism based on resin-based fiber piddler system of any one in the claim 1 to 6, it is characterized in that: cylinder frame (12) comprises coaxial the first installing hole (13) and via hole (15), cylinder (3) is installed in the first installing hole (13), handle of a knife piece (2) is in via hole (15), and angle blade (1) exposes via hole (15).
8. the cutting mechanism based on resin-based fiber piddler system as claimed in claim 7, it is characterized in that: cylinder frame (12) further is provided with the second installing hole (14), described the second installing hole (14) is positioned at same plane with the first installing hole (13) and the second installing hole (14) is positioned at the first installing hole (13) both sides, so that whole cutting mechanism is integrated in the piddler head of piddler system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104998287A CN102963010A (en) | 2012-11-28 | 2012-11-28 | Shearing mechanism of resin-based fiber placement system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104998287A CN102963010A (en) | 2012-11-28 | 2012-11-28 | Shearing mechanism of resin-based fiber placement system |
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| CN102963010A true CN102963010A (en) | 2013-03-13 |
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| CN2012104998287A Pending CN102963010A (en) | 2012-11-28 | 2012-11-28 | Shearing mechanism of resin-based fiber placement system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640229A (en) * | 2013-12-30 | 2014-03-19 | 中国科学院自动化研究所 | Single drive composite material fiber placement head integrated device |
| CN103737639A (en) * | 2013-12-30 | 2014-04-23 | 深圳市沃尔核材股份有限公司 | Cutting device |
| CN106313174A (en) * | 2016-07-29 | 2017-01-11 | 宁波绿菱新材料科技有限公司 | Artificial turf punching device |
| CN106956445A (en) * | 2016-01-08 | 2017-07-18 | 波音公司 | The cutter knife of machine is laid for automatic fibers |
| CN108381946A (en) * | 2013-03-15 | 2018-08-10 | 罗尔斯·罗伊斯公共有限公司 | Composite material laying equipment |
| CN109849373A (en) * | 2019-01-25 | 2019-06-07 | 肖睿 | A kind of carbon fiber prepreg acting device for carbon fiber automatic fiber placement machine |
| EP3495103A1 (en) * | 2017-10-30 | 2019-06-12 | Rolls-Royce plc | Cutting mechanism with rotatable blades |
| CN110733189A (en) * | 2019-09-30 | 2020-01-31 | 武汉大学 | cutting device with arc-shaped cutting board based on automatic tape laying head of composite material |
| CN111037922A (en) * | 2019-11-05 | 2020-04-21 | 东北大学 | 3D printer and method for corner-laid carbon fiber/resin composite material product |
| CN111438718A (en) * | 2020-04-03 | 2020-07-24 | 西安交通大学 | Device and method for cutting carbon fiber prepreg in pushing mode through air cylinder |
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| US5110395A (en) * | 1989-12-04 | 1992-05-05 | Cincinnati Milacron Inc. | Fiber placement head |
| CN1911638A (en) * | 2006-08-25 | 2007-02-14 | 哈尔滨工业大学 | Speading head device of fiber spreading equipment |
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| US5110395A (en) * | 1989-12-04 | 1992-05-05 | Cincinnati Milacron Inc. | Fiber placement head |
| CN1911638A (en) * | 2006-08-25 | 2007-02-14 | 哈尔滨工业大学 | Speading head device of fiber spreading equipment |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108381946A (en) * | 2013-03-15 | 2018-08-10 | 罗尔斯·罗伊斯公共有限公司 | Composite material laying equipment |
| CN103737639A (en) * | 2013-12-30 | 2014-04-23 | 深圳市沃尔核材股份有限公司 | Cutting device |
| CN103640229B (en) * | 2013-12-30 | 2015-09-23 | 中国科学院自动化研究所 | Single first body gasifying device of composite piddler driven |
| CN103640229A (en) * | 2013-12-30 | 2014-03-19 | 中国科学院自动化研究所 | Single drive composite material fiber placement head integrated device |
| CN106956445A (en) * | 2016-01-08 | 2017-07-18 | 波音公司 | The cutter knife of machine is laid for automatic fibers |
| EP3192643A1 (en) * | 2016-01-08 | 2017-07-19 | The Boeing Company | Cutter blades for automated fiber placement machines |
| US9950477B2 (en) | 2016-01-08 | 2018-04-24 | The Boeing Company | Cutter blades for automated fiber placement machines |
| CN106313174A (en) * | 2016-07-29 | 2017-01-11 | 宁波绿菱新材料科技有限公司 | Artificial turf punching device |
| EP3495103A1 (en) * | 2017-10-30 | 2019-06-12 | Rolls-Royce plc | Cutting mechanism with rotatable blades |
| US10953613B2 (en) | 2017-10-30 | 2021-03-23 | Rolls-Royce Plc | Cutting mechanism with rotatable blades |
| CN109849373A (en) * | 2019-01-25 | 2019-06-07 | 肖睿 | A kind of carbon fiber prepreg acting device for carbon fiber automatic fiber placement machine |
| CN109849373B (en) * | 2019-01-25 | 2023-12-22 | 肖睿 | Carbon fiber prepreg actuating device for automatic carbon fiber laying machine |
| CN110733189A (en) * | 2019-09-30 | 2020-01-31 | 武汉大学 | cutting device with arc-shaped cutting board based on automatic tape laying head of composite material |
| CN111037922A (en) * | 2019-11-05 | 2020-04-21 | 东北大学 | 3D printer and method for corner-laid carbon fiber/resin composite material product |
| CN111438718A (en) * | 2020-04-03 | 2020-07-24 | 西安交通大学 | Device and method for cutting carbon fiber prepreg in pushing mode through air cylinder |
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Application publication date: 20130313 |