CN109129583A - A kind of curved surface PMI foam cuts fixture and cutting tool and its cutting method - Google Patents
A kind of curved surface PMI foam cuts fixture and cutting tool and its cutting method Download PDFInfo
- Publication number
- CN109129583A CN109129583A CN201810946445.7A CN201810946445A CN109129583A CN 109129583 A CN109129583 A CN 109129583A CN 201810946445 A CN201810946445 A CN 201810946445A CN 109129583 A CN109129583 A CN 109129583A
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- China
- Prior art keywords
- cutting
- pmi foam
- curved surface
- steel plate
- cut
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B3/00—Hand knives with fixed blades
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
A kind of curved surface PMI foam cuts fixture and cutting tool and its cutting method.Cutting fixture includes cutting benchmark steel plate, grillage and positioning seat.Cutting tool includes blade and magnet holder.Precise positioning of the fixture for curved surface PMI foam is cut, cutting tool is for precisely cutting.Magnet holder is adsorbable in cutting on benchmark steel plate, the assembling structure of magnet holder and blade, and blade edge can be accurately located to the position that cuts of PMI foam, and operator holds magnet holder and cuts on cutting benchmark steel plate along cutting direction and slide.Advantages of the present invention: 1, cutting edge mouth line shape smoothness standard, cutting quality is good, and PMI foam can realize that precisely contraposition connects；2, operation force is smooth, convenient and efficient, avoids the problem of edge of a knife easily controls offset；3, processing cost is greatly reduced, since cutting quality is good, avoids the problem of conventional method cutting quality difference leads to material scrap.
Description
Technical field
Fixture and cutting tool and its cutting method are cut the present invention relates to a kind of curved surface PMI foam.
Background technique
The usually used structure type of radome has half-wave wall construction, single layer thin-wall construction, sandwich.Sandwich
Sandwich material is usually used aramid fiber paper honeycomb core layer and PMI foamed core.PMI foam is usually in use because of material ruler
Very little, product shape limitation is processed, is cut, is spliced.
Chinese patent 106739043A discloses a kind of PMI foam layer radome of fighter and its manufacturing method, this method
Muti-piece curved surface PMI foam blank is made using piecemeal forming method, then splices the radome for completing global interlayers structure.In curved surface
After the completion of PMI foam blank, it need to precisely cut, splice.During cutting by hand, template is bonded commonly using common art knife
It is cut, controls art knife by hand, the edge of a knife easily left and right offset, the cutting edge mouth for often leading to PMI foam is nonstandard, rear
Gaping of joints is excessive when phase splices causes to scrap.A kind of simple and practical technical solution is needed to solve curved surface PMI foam in production
Cut problem.
Summary of the invention
What the problem to be solved in the present invention was to provide a kind of curved surface PMI foam cuts fixture.
A kind of curved surface PMI foam cuts fixture, including cuts benchmark steel plate, grillage and positioning seat, described to cut benchmark
Steel plate is equipped with arc-shaped side mouth, and the shape of the arc-shaped side mouth matches with the piecemeal molding line of demarcation of cover curved surface, described fixed
Position seat is fixed on the end for cutting benchmark steel plate, and the positioning seat can will cut benchmark steel plate by bolt and be positioned at corresponding position
Molding die on.
The production for cutting benchmark steel plate is processed on the basis of forming line of demarcation according to curved surface PMI foam piecemeal using steel plate
Arc-shaped side mouth, arc-shaped side mouth and the piecemeal molding line of demarcation of cover curved surface match.It is long elements, steel due to cutting benchmark steel plate
The flexible deformation of plate thickness direction, grillage, which can play, will cut benchmark steel plate in the effect of the fixed sizing of thickness direction, guarantee to cut out
It cuts benchmark steel plate and bending deformation does not occur in thickness direction.
The invention solves another problem be to provide a kind of cutting tool of curved surface PMI foam.
A kind of cutting tool of curved surface PMI foam, including blade and magnet holder, the bottom end of the magnet holder are equipped with assembly knife
The notch of piece, the shape of the notch, the shape of size and blade, size match, and blade is bonded and fixed at notch.
The cutting tool of above-mentioned curved surface PMI foam, be with above-mentioned curved surface PMI foam cut fixture be used in combination it is special
Use tool.Fixture is cut for cutting the precise positioning of benchmark steel plate Yu curved surface PMI foam, cutting tool is for precisely cutting.
Magnet holder is adsorbable in cutting on benchmark steel plate, and blade edge can be accurately located at PMI by the assembling structure of magnet holder and blade
Foam cuts position, and operator holds magnet holder and cuts on cutting benchmark steel plate along cutting direction and slide, and avoids
The edge of a knife easily controls the problem of offset.
The invention solves third problem be to provide the cutting method of curved surface PMI foam.
A kind of cutting method of curved surface PMI foam, includes the following steps:
A, the cutting line that line of demarcation determines PMI foam on molding die is formed according to the piecemeal of design；
B, it will be reserved with and cut the corresponding in molding die with adhesive tape and double-sided adhesive by the molding curved surface PMI foam of piecemeal of surplus
Region precisely aligns and fixes；
C, curved surface PMI foam is cut fixture installation to be positioned on the molding die of corresponding position, cuts benchmark steel plate at this time
Arc-shaped side mouth is with cutting line against concordant；
D, the magnet holder bottom of curved surface PMI foam cutting tool is fitted in and is cut on benchmark steel plate, blade edge is to director surface
PMI foam cuts position, and operator's gripping magnet holder, which slides on cutting benchmark steel plate along cutting line direction, to be cut, and is thus
It can precisely complete to cut.
Precise positioning of the fixture for curved surface PMI foam is cut, cutting tool is for precisely cutting.The magnet of cutting tool
Blade edge can be accurately located at the position that cuts of PMI foam by seat, and it is suitable on cutting benchmark steel plate that operator holds magnet holder
Cut direction and slide and cut, avoid the edge of a knife easily left and right offset the problem of.
The present invention has the advantage that
1, cutting edge mouth line shape smoothness standard, cutting quality are good.The present invention cuts fixture and dedicated cutting tool phase using dedicated
In conjunction with mode, meet that PMI foam cuts to greatest extent precisely cuts requirements, and adjacent PMI foam element can be realized accurate right
Position connects.
2, operation force is smooth, convenient and efficient.It is sliding along direction is cut on cutting benchmark steel plate that operator holds magnet holder
Row cut, avoid by hand control the cutter edge of a knife easily left and right offset the problem of.
3, processing cost is greatly reduced.Since cutting quality is good, avoiding conventional method cutting quality difference leads to material
The problem of scrapping.The Dock With Precision Position for having ensured butt joint edge mouth precisely is cut, the seam goodness of fit is good, and subsequent splicing is simple and convenient,
Be able to satisfy the PMI foam element of large scale and different-thickness completely cuts splicing needs.
Detailed description of the invention
Fig. 1 is that PMI foam cuts subregion schematic diagram.
Fig. 2 is the schematic side view of Fig. 1.
Fig. 3 is the assembling structure schematic diagram that a kind of PMI foam cuts fixture embodiment.
Fig. 4 is the A-A schematic cross-sectional view of Fig. 3.
Fig. 5 is a kind of magnet holder structural schematic diagram of cutting tool embodiment.
Fig. 6 is a kind of assembling structure schematic diagram of cutting tool embodiment.
Fig. 7 is of the invention to cut schematic illustration.
In figure: cut benchmark steel plate 1, grillage 2, positioning seat 3, arc-shaped side mouth 4, piecemeal forms line of demarcation 5, molding die 6,
Blade 7, magnet holder 8, notch 9, curved surface PMI foam 11.
Specific embodiment
As shown in Figures 1 to 7, a kind of curved surface PMI foam cuts the embodiment of fixture, including cuts benchmark steel plate 1, plate
Frame 2 and positioning seat 3, the benchmark steel plate 1 that cuts is equipped with arc-shaped side mouth 4, the shape of the arc-shaped side mouth 4 and point of cover curved surface
Formation of lots line of demarcation 5 matches, and the positioning seat 3 is fixed on the end for cutting benchmark steel plate 1, and the positioning seat 3 can pass through spiral shell
Bolt is positioned at benchmark steel plate 1 is cut on the molding die 6 of corresponding position.
The production for cutting benchmark steel plate 1, on the basis of forming line of demarcation 5 according to curved surface PMI foam piecemeal, using 2 millimeters thick
Steel plate arc-shaped side mouth 4, piecemeal molding 5 phase of line of demarcation of arc-shaped side mouth 4 and cover curved surface are processed by punching machine or Water Cutting
With (when assembling in place, the spacing of curved surface PMI foam 11 and arc-shaped side mouth 4 is not more than 5 millimeters).It is due to cutting benchmark steel plate 1
Long elements, the flexible deformation of steel plate thickness direction, grillage 2, which can play, will cut benchmark steel plate 1 in the fixed sizing of thickness direction
Effect, guarantee cut benchmark steel plate 1 and bending deformation do not occur in thickness direction.
A kind of embodiment of the cutting tool of curved surface PMI foam, including blade 7 and magnet holder 8, the bottom of the magnet holder 8
End is equipped with the notch 9 of blades 7, and the shape of the notch 9, shape, the size of size and blade match, and blade 7 is bonded
It is fixed at notch 9.As shown in Figure 5, Figure 6, the production of cutting tool, magnet holder 8 are processed using strong magnet (neodymium iron boron material),
Blade 7 uses common blade of carving knife, magnet holder 8 and blade 7 bonded together using 502 glue.
The cutting tool of above-mentioned curved surface PMI foam, be with above-mentioned curved surface PMI foam cut fixture be used in combination it is special
Use tool.Fixture is cut for cutting the precise positioning of benchmark steel plate 1 Yu curved surface PMI foam 11, cutting tool is for precisely cutting out
It cuts.Magnet holder 8 is adsorbable in cutting on benchmark steel plate 1, and the assembling structure of magnet holder 8 and blade 7 can be accurate by 7 edge of a knife of blade
It is positioned at the position that cuts of PMI foam 11, operator holds magnet holder 8 and slides sanction along cutting direction on cutting benchmark steel plate 1
It cuts, avoids the problem of edge of a knife easily controls offset.
As shown in Fig. 4, Fig. 7, a kind of cutting method of curved surface PMI foam includes the following steps:
A, the cutting line that line of demarcation 5 determines PMI foam 11 on molding die 6 is formed according to the piecemeal of design；
B, by be reserved with cut surplus by the molding curved surface PMI foam 11 of piecemeal with adhesive tape and double-sided adhesive in molding die 6
Corresponding region precisely aligns and fixes；
C, curved surface PMI foam is cut fixture installation to be positioned on the molding die 6 of corresponding position, cuts benchmark steel plate 1 at this time
Arc-shaped side mouth 4 with cutting line against concordant；
D, 8 bottom of magnet holder of curved surface PMI foam cutting tool is fitted in and is cut on benchmark steel plate 1, the alignment of 7 edge of a knife of blade is bent
Face PMI foam 11 cuts position, and operator's gripping magnet holder 8, which slides on cutting benchmark steel plate 1 along cutting line direction, to be cut,
Thus it can precisely complete to cut.
Precise positioning of the fixture for curved surface PMI foam 11 is cut, cutting tool is for precisely cutting.The magnetic of cutting tool
7 edge of a knife of blade can be accurately located at the position that cuts of PMI foam 11 by housing 8, and operator holds magnet holder 8 and cutting benchmark steel
Cut on plate 1 along cutting direction and slide, avoid the edge of a knife easily left and right offset the problem of.
Above-mentioned cutting step b after contraposition can also be used, is laid with band outside fixed with pressure sensitive adhesive tape and double-sided adhesive contraposition
Hole isolation film, vacuum bag film, the method vacuumized make the fitting mold completely of PMI foam 11, remove vacuum bag, PMI foam 11 is
Precisely (as shown in Figure 4) is fixed on molding die 6 in contraposition.After fixture installation fixation will be cut with bolt, with cutting tool edge
The sliding of arc-shaped side mouth 4 for cutting benchmark steel plate 1 is cut.Repeat muti-piece PMI corresponding to the achievable different zones of this step
Foam 11 is cut.
The specific structure that the present invention is not limited to the above embodiment, processing method are also not necessarily limited to above-mentioned specific method step
Suddenly, the equivalent transformation of other homogeneous structures and congenic method is fallen within the scope of protection of the present invention.
Claims (3)
1. a kind of curved surface PMI foam cuts fixture, it is characterised in that: including cutting benchmark steel plate, grillage and positioning seat, the sanction
Benchmark steel plate is cut equipped with arc-shaped side mouth, the shape of the arc-shaped side mouth matches with the piecemeal molding line of demarcation of cover curved surface,
The positioning seat is fixed on the end for cutting benchmark steel plate, and the positioning seat can will cut benchmark steel plate by bolt and be positioned at pair
It answers on the molding die of position.
2. a kind of curved surface PMI foam cutting tool, it is characterised in that: including blade and magnet holder, the bottom end of the magnet holder is set
There is the notch of blades, the shape of the notch, the shape of size and blade, size match, and blade is bonded and fixed to slot
At mouthful.
3. a kind of cutting method of curved surface PMI foam, includes the following steps:
A, the cutting line that line of demarcation determines PMI foam on molding die is formed according to the piecemeal of design；
B, it will be reserved with and cut the corresponding in molding die with adhesive tape and double-sided adhesive by the molding curved surface PMI foam of piecemeal of surplus
Region precisely aligns and fixes；
C, curved surface PMI foam is cut fixture installation to be positioned on the molding die of corresponding position, cuts benchmark steel plate at this time
Arc-shaped side mouth is with cutting line against concordant；
D, the magnet holder bottom of curved surface PMI foam cutting tool is fitted in and is cut on benchmark steel plate, blade edge is to director surface
PMI foam cuts position, and operator's gripping magnet holder, which slides on cutting benchmark steel plate along cutting line direction, to be cut, and is thus
It can precisely complete to cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810946445.7A CN109129583B (en) | 2018-08-20 | 2018-08-20 | Cutting tool and cutting method for PMI foam on curved surface of radome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810946445.7A CN109129583B (en) | 2018-08-20 | 2018-08-20 | Cutting tool and cutting method for PMI foam on curved surface of radome |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109129583A true CN109129583A (en) | 2019-01-04 |
| CN109129583B CN109129583B (en) | 2020-09-01 |
Family
ID=64790251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810946445.7A Active CN109129583B (en) | 2018-08-20 | 2018-08-20 | Cutting tool and cutting method for PMI foam on curved surface of radome |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2243370Y (en) * | 1996-05-20 | 1996-12-25 | 俊仁五金工业有限公司 | Knife for artists |
| CN201500987U (en) * | 2009-09-04 | 2010-06-09 | 上海昆杰五金工具有限公司 | Magnetic locking cutting knife |
| JP2012034817A (en) * | 2010-08-06 | 2012-02-23 | Nikken Hamono Kk | Line engraving chisel |
| CN203221536U (en) * | 2013-03-19 | 2013-10-02 | 长春富维—江森自控汽车饰件系统有限公司 | Foam groove trimming cutter |
| CN205166913U (en) * | 2015-10-30 | 2016-04-20 | 江昱颖 | Model groove assistor |
| CN107351134A (en) * | 2017-07-31 | 2017-11-17 | 菲舍尔航空部件（镇江）有限公司 | Handheld clamp for comb core cutting blade |
| DE202017005160U1 (en) * | 2017-10-06 | 2017-12-04 | Swen Modell | Fruit and peeling knife |
-
2018
- 2018-08-20 CN CN201810946445.7A patent/CN109129583B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2243370Y (en) * | 1996-05-20 | 1996-12-25 | 俊仁五金工业有限公司 | Knife for artists |
| CN201500987U (en) * | 2009-09-04 | 2010-06-09 | 上海昆杰五金工具有限公司 | Magnetic locking cutting knife |
| JP2012034817A (en) * | 2010-08-06 | 2012-02-23 | Nikken Hamono Kk | Line engraving chisel |
| CN203221536U (en) * | 2013-03-19 | 2013-10-02 | 长春富维—江森自控汽车饰件系统有限公司 | Foam groove trimming cutter |
| CN205166913U (en) * | 2015-10-30 | 2016-04-20 | 江昱颖 | Model groove assistor |
| CN107351134A (en) * | 2017-07-31 | 2017-11-17 | 菲舍尔航空部件（镇江）有限公司 | Handheld clamp for comb core cutting blade |
| DE202017005160U1 (en) * | 2017-10-06 | 2017-12-04 | Swen Modell | Fruit and peeling knife |
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| CN109129583B (en) | 2020-09-01 |
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