CN105690618A - Molding method of large radio antenna mold - Google Patents
Molding method of large radio antenna mold Download PDFInfo
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- CN105690618A CN105690618A CN201410697452.XA CN201410697452A CN105690618A CN 105690618 A CN105690618 A CN 105690618A CN 201410697452 A CN201410697452 A CN 201410697452A CN 105690618 A CN105690618 A CN 105690618A
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- mould
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- forming method
- radio astronomy
- scale antenna
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Abstract
The present invention relates to a molding method of a large radio antenna mold. A mold molded surface is divided into four partitions along the longitudinal direction; each partition is used for separately making molds; the docking assembly in each partition is used for splicing to form a complete mold. Compared with the prior art, a series of adjustment and locking devices are installed in the mold to ensure accuracy for splicing. Square grooves are arranged in the seams of molded surfaces; and a method of filling resin after sealing is used for sealing the seams. The procedure is simple and easy to implement.
Description
Technical field
The present invention relates to a kind of forming method, especially relate to the forming method of a kind of large-scale antenna for radio astronomy mould。
Background technology
Radio telescope matrix needs hundreds of antenna for radio astronomy, and usual layout is regional at the dry climate of drought, heatproof, the significant challenge that weather-proof, thermal deformation is electricity antenna material。Simultaneously in order to widen effective frequency range of antenna for radio astronomy, it is generally required to strengthen the size of antenna for radio astronomy, this just brings the problem that overweight and precision controlling variation etc. are severe to traditional steel design。Composite has possessed the over-all properties of the high-performance required by Radio Telescope Antenna, low cost, high rigidity, lightweight, Heat stability is good, the high requirement of surface accuracy, therefore, not only lightweight with its antenna reflector made, and intensity and dimensional accuracy stability are all significantly high。But owing to above-mentioned antenna volume is generally relatively large, how to realize accurate installation and just become one of technical problem urgently to be resolved hurrily。
Summary of the invention
The purpose of the present invention is contemplated to the defect overcoming above-mentioned prior art to exist and the forming method providing a kind of large-scale antenna for radio astronomy mould。
The purpose of the present invention can be achieved through the following technical solutions:
The forming method of a kind of large-scale antenna for radio astronomy mould, is divided into four sections of subregions by die face along long axis direction, and every section of subregion individually makes mould, utilizes the docking facilities that each subregion is arranged to splice, and forms full die。
Mould is generally and is support frp layer by steelframe, steel diaphragm and profile square tube and constitute for timber layer, and steel construction provides rigid support, frp layer and provide ability and the profile of vacuum pressurize for timber layer。Every section of monomer mould is mounted on a pair hanger on steelframe, for assembly and the lifting of mould；And 15-16 base anchor, for the WidFin of mould。Mould is provided with 22 hydraulic pressure altogether and ejects position, is distributed along mould surrounding。Mould there is also mounted base anchor and location-plate, facilitates the mould horizontal adjustment when split。
On the faying face of monomer mould steelframe between two, two ends are provided with two groups of connecting plates with pin hole。After mould finally assembles, determine the last size of pin hole。Bring convenience for dismounting mould from now on。In other position of each monomer mould steelframe faying face, upper and lower it is uniformly provided with several connecting plate with connecting bolt, is used for adjusting the tightness degree of two groups of steelframes。Die horizontal direction positions, the aluminium alloy locating piece at four angles of monomer mould steelframe be foundation, adjust level。Aluminium alloy locating piece is on numerical control machining center, together process with profile, guarantee the dimensional uniformity of locating piece and profile, the mould of each subregion is as a whole along profile short-axis direction, consequently facilitating assemble, reducing cumulative error produced by multizone, additionally the overall dimensions of single subregion mould disclosure satisfy that the requirement of Road Transportation, it is to avoid causes in transit trouble。
Compared with prior art, the present invention takes the forming method that Split mold splices, the problem that monolithic mold rigidity is deteriorated can be efficiently solved, it is also beneficial to the land transportation of mould, it is conceived to the split-type design of mould, creatively have devised the sealing structure of Split mold joint, be effectively guaranteed the vacuum pressurize ability of mould。
Accompanying drawing explanation
Fig. 1 is the structural representation of subregion mould。
In figure, 1 for locating piece, 2 for steelframe, 3 for hanger, 4 for eject hydraulic cylinder, 5 be base anchor。
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail。
Embodiment
The forming method of a kind of large-scale antenna for radio astronomy mould, is divided into four sections of subregions by die face along long axis direction, and every section of subregion individually makes mould, and the mould structure of subregion, as it is shown in figure 1, utilize the docking facilities that each subregion is arranged to splice, forms full die。
Mould is generally and is support frp layer by steelframe, steel diaphragm and profile square tube and constitute for timber layer, and steel construction provides rigid support, frp layer and provide ability and the profile of vacuum pressurize for timber layer。Every section of monomer mould is mounted on a pair hanger 3 on steelframe, for assembly and the lifting of mould；And 15-16 base anchor, for the WidFin of mould。Mould is provided with 22 hydraulic pressure altogether and ejects position, and this position is provided with and ejects hydraulic cylinder 4, is distributed along mould surrounding。Mould there is also mounted base anchor 5 and locating piece 1, facilitates the mould horizontal adjustment when split。
On the faying face of monomer mould steelframe between two, two ends are provided with two groups of connecting plates with pin hole。After mould finally assembles, determine the last size of pin hole。Bring convenience for dismounting mould from now on。In other position of each monomer mould steelframe faying face, upper and lower it is uniformly provided with several connecting plate with connecting bolt, is used for adjusting the tightness degree of two groups of steelframes 2。Die horizontal direction positions, the aluminium alloy locating piece at four angles of monomer mould steelframe be foundation, adjust level。Aluminium alloy locating piece 1 is on numerical control machining center, together processes with profile, it is ensured that the dimensional uniformity of locating piece and profile。
Mould seam crossing needs to carry out encapsulation process, for timber layer when being machined out, reserves wide 10mm, the square groove of deep 50mm in the place of profile docking。During mould splicing, profile is docked, and forms three wide 20mm, the square groove of deep 50mm。After the fine setting of mould completes and is fastened to each other, these three square grooves are filled out filling resin and seals。
The connection scheme of mould is as follows:
1, centrage is determined: require to finish the centrage of mould placement location according to user, and necessarily accurately, not uniquely, length is more than overall length 2m after mould splicing for centrage。
2, adjust mold interval: according to profile graduation mark, measure the nearest graduation mark of each adjacent molds, adjust its spacing。
3, coarse adjustment level: level gauge and support being separately fixed at mould and specifies side, measurement and positioning block, coarse adjustment mould is to level。
4, measure and finely tune: measuring whether steelframe total length meets drawing requirement, and again fine adjustment shaft dimension, length (according to customer data) reaches designing requirement between each mold sections。Measure difference in height, and adjustment reaches designing requirement。Detect and finely tune overall dimensions and reach designing requirement。Laser tracker is fixed to suitable position and height, and fixes anchor point。After die surface cleaning, carry out Surface inspection with laser tracker, if necessary, height-fine adjustment difference makes up to designing requirement。
5, connect: after mould connecting plate alignment pin and bolt being fixed between two, be welded on mould steel support junction。
6, piece processes: filled and led up by stitching portion 20mm*50mm groove by resin paste, it is ensured that bubble-free, surfacing are smooth。
Below the preferred embodiment of the invention has been illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modification or replacement, these equivalent modification or replacement under the premise without prejudice to the invention spirit and be all contained in the application claim limited range。
Claims (7)
1. the forming method of one kind large-scale antenna for radio astronomy mould, it is characterised in that die face is divided into four sections of subregions along long axis direction by the method, every section of subregion individually makes mould, utilizes the docking facilities that each subregion is arranged to splice, and forms full die。
2. the forming method of a kind of large-scale antenna for radio astronomy mould according to claim 1, it is characterised in that the mould of each subregion is as a whole along profile short-axis direction。
3. the forming method of a kind of large-scale antenna for radio astronomy mould according to claim 1, it is characterised in that the steelframe faying face two ends of each subregion mould are provided with two groups of connecting plates with pin hole。
4. the forming method of a kind of large-scale antenna for radio astronomy mould according to claim 1, it is characterised in that be uniformly provided with several connecting plate with connecting bolt on the steelframe faying face of each subregion mould。
5. the forming method of a kind of large-scale antenna for radio astronomy mould according to claim 1, it is characterised in that the horizontal direction of each subregion is adjusted horizontal location by the aluminium alloy locating piece at four angles。
6. the forming method of a kind of large-scale antenna for radio astronomy mould according to claim 1, it is characterised in that the square groove being mutually matched offered by the mould of adjacent sectors on interface, and profile is docked and finely tunes mould, fills out filling resin in square groove and seals after being fastened to each other。
7. the forming method of a kind of large-scale antenna for radio astronomy mould according to claim 1, it is characterised in that the overall dimensions of each subregion disclosure satisfy that Road Transportation requirement。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410697452.XA CN105690618A (en) | 2014-11-26 | 2014-11-26 | Molding method of large radio antenna mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410697452.XA CN105690618A (en) | 2014-11-26 | 2014-11-26 | Molding method of large radio antenna mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105690618A true CN105690618A (en) | 2016-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410697452.XA Pending CN105690618A (en) | 2014-11-26 | 2014-11-26 | Molding method of large radio antenna mold |
Country Status (1)
| Country | Link |
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| CN (1) | CN105690618A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827308A (en) * | 2016-12-12 | 2017-06-13 | 武汉滨湖电子有限责任公司 | A kind of high accuracy Shaped-beam reflector antenna processing mold and its processing method |
| CN109591313A (en) * | 2018-10-12 | 2019-04-09 | 江西昌河航空工业有限公司 | A kind of honeycomb preforming process of large size tubbiness composite material interlayer part |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4378561A (en) * | 1981-01-15 | 1983-03-29 | Hibbard Robert J | Parabolic reflector antenna |
| CN201559275U (en) * | 2009-11-24 | 2010-08-25 | 徐伟 | Mold for manufacturing large-scale glass fiber reinforced plastic boats |
| CN103042697A (en) * | 2012-12-31 | 2013-04-17 | 北京玻钢院复合材料有限公司 | Integral forming process of carbon fiber antenna reflecting surface |
-
2014
- 2014-11-26 CN CN201410697452.XA patent/CN105690618A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4378561A (en) * | 1981-01-15 | 1983-03-29 | Hibbard Robert J | Parabolic reflector antenna |
| CN201559275U (en) * | 2009-11-24 | 2010-08-25 | 徐伟 | Mold for manufacturing large-scale glass fiber reinforced plastic boats |
| CN103042697A (en) * | 2012-12-31 | 2013-04-17 | 北京玻钢院复合材料有限公司 | Integral forming process of carbon fiber antenna reflecting surface |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827308A (en) * | 2016-12-12 | 2017-06-13 | 武汉滨湖电子有限责任公司 | A kind of high accuracy Shaped-beam reflector antenna processing mold and its processing method |
| CN106827308B (en) * | 2016-12-12 | 2018-11-09 | 武汉滨湖电子有限责任公司 | A kind of high-precision Shaped-beam reflector antenna processing mold and its processing method |
| CN109591313A (en) * | 2018-10-12 | 2019-04-09 | 江西昌河航空工业有限公司 | A kind of honeycomb preforming process of large size tubbiness composite material interlayer part |
| CN109591313B (en) * | 2018-10-12 | 2021-04-30 | 江西昌河航空工业有限公司 | Honeycomb preforming process for large barrel-shaped composite material sandwich part |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160622 |
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| RJ01 | Rejection of invention patent application after publication |