CN105291446A - Multi-point pressurizing device for controlling layer density and uniformity of complex surface stitched fabric - Google Patents
Multi-point pressurizing device for controlling layer density and uniformity of complex surface stitched fabric Download PDFInfo
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- CN105291446A CN105291446A CN201510580061.4A CN201510580061A CN105291446A CN 105291446 A CN105291446 A CN 105291446A CN 201510580061 A CN201510580061 A CN 201510580061A CN 105291446 A CN105291446 A CN 105291446A
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Abstract
The invention discloses a multi-point pressurizing device for controlling layer density and uniformity of a complex surface stitched fabric. The device comprises a male mold, a female mold and a multi-point pressurizing component, wherein the multi-point pressurizing component comprises an arched bracket and a pressurizing component; the arched bracket is arranged at the outer periphery of the female mold; the pressurizing component comprises a screw rod, a rotating handle and a rubber pad; the screw rod is in threaded connection to the arched bracket; one end of the screw rod penetrates through the arched bracket to extend to the outer surface of the female mold, and the other end is left outside the arched bracket; the rotating handle is connected to one end, left outside the arched bracket, of the screw rod; and the rubber pad is arranged at the end part of one end, extending to the outer surface of the female mold, of the screw rod. The multi-point pressurizing device for controlling the layer density and the uniformity of the complex surface stitched fabric is simple in structure, is easy to be machined and assembled, is convenient for use, and can effectively control the layer density and the uniformity of the complex surface three-dimensional fabric to improve the quality of the complex surface stitched fabric.
Description
Technical field
The present invention relates to a kind of many areas exerted pressure on device controlling complex-curved serving textile layer density and uniformity, belong to fabric arts.
Background technology
Stitched Composites has the features such as anti-vertical resolution is strong, anti-fatigue performance is excellent, the overall performance of component is good, quality is light, intensity is high, resistance to ablation.Current Stitched Composites has been widely used in the leading-edge field such as Aeronautics and Astronautics, military project, and expands to the aspects such as automobile, building, the energy, environmental protection, biologic medical and sports apparatus, becomes the research field that countries in the world competitively heavily provide input.
Along with the extensive use of Stitched Composites stereo fabric, the molded dimension of stereo fabric is tending towards maximizing, abnormal shapeization, gauge is also thicker, in existing suturing skill, be sewn the mode that part relies on special fixture to clamp to pressurize, vacuumize pressurization, pretension material pressurization etc., layer density and the uniformity requirement of complex-curved serving textile cannot be met, therefore design one is needed can to control complex-curved stereo fabric layer density and uniformity, and the pressue device meeting complex-curved stereo fabric quality requirement is to meet the demand of complex-curved stereo fabric sewing process.
Summary of the invention
In order to the pressuring method solving existing sewing process cannot meet layer density and the uniformity requirement of complex-curved serving textile, the invention provides a kind of many areas exerted pressure on device controlling complex-curved serving textile layer density and uniformity.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is as follows:
Control a many areas exerted pressure on device for complex-curved serving textile layer density and uniformity, comprise formpiston, former and many areas exerted pressure on tool component;
Former is located at formpiston periphery, and former and formpiston shape are mated mutually;
Many areas exerted pressure on assembly comprises: arch support and pressure-applying unit; Arch support is erected at the periphery of former; Pressure-applying unit comprises screw rod, rotary handle and rubber blanket, and screw flight is connected on arch support, and former outer surface is stretched to through arch support in screw rod one end, and the other end is stayed outside arch support; Rotary handle is connected on one end that screw rod stays outside arch support; Rubber blanket is located at the end that screw rod stretches to former outer surface one end.
During pressurization, fabric to be pressurised is placed between formpiston and former that (former is identical with the profile of fabric to be pressurised with the profile of formpiston, the size of formpiston and former can be placed between formpiston and former for making fabric to be pressurised, and can extend to free end to greatest extent), then by many areas exerted pressure on tool component, many areas exerted pressure on is implemented to former outer surface, thus realize the pressurization treating pressurized web.
Above-mentioned rotary handle is connected on one end that screw rod stays outside arch support, rotarily drive screw rod by rotary handle like this to rotate, thus can the high and low position of adjusting screw(rod), when needs pressurize, make rubber blanket be fitted in the outer surface of former by rotating rotary handle, thus realize the pressurization to fabric between former and formpiston.
Said apparatus is suitable for the pressurization of various complex-shaped curved surface serving textile, the shape of formpiston and former is according to the profile design of complex-curved serving textile to be pressurised, the design of the shape of arch support, the position of pressure-applying unit and quantity is all according to the profile design of former outer surface, and object is layer density in order to fabric after ensureing to pressurize and uniformity.
Before serving textile entire pressurisation operation, first utilize the application's many areas exerted pressure on device pressurization lamination layer of cloth, reach the requirement of tissue layer density, the branch pressurization of complex-curved lamination layer of cloth is carried out in the many areas exerted pressure on contact of recycling the application, reaches a layer density uniformity requirement.Pressurization effectively can improve the layer density of complex-curved stereo fabric and control the uniformity of complex-curved stereo fabric layer density in this way, improves fabric quality.
The many areas exerted pressure on apparatus structure of above-mentioned control complex-curved serving textile layer density and uniformity is simple, easily processing, easily assembling, easy to use, can effectively improve tissue layer density, control the uniformity of stratified fiber layer of cloth density, thus improve the quality of complex-curved serving textile.
In order to the uniformity of the layer density and layer density that improve fabric further, preferably, former is axially split into the cell cube of more than two along it; Each arch support is provided with plural pressure-applying unit, a pressure-applying unit at least corresponding each arch support of each cell cube.
Former is preferably monoblock cast or forging processing during fabrication, again it is divided into some cell cubes vertically after machining, wherein the number of cell cube and split position are determined by the appearance structure of complex-curved fabric, and object is layer density in order to meet complex-curved serving textile further and uniformity requirement.
The partition principle of former cell cube is preferably: 1. in assembly, the cut size of each cell cube is as far as possible close; 2. split position is as far as possible in the part that curvature of curved surface is less; 3. ensure that complex-curved serving textile can extend to free end to greatest extent, if complex-curved serving textile is axial symmetry moulding, former is also designed to axial symmetry segmentation.
In addition pressure-applying unit number is more, and pressure point is more, and the pressure effect of lamination carbon cloth is better.During practical application, according to the longitudinal length of complex-curved serving textile and other considerations, rational pressure-applying unit number should be determined.
In order to save material, can effectively control moving up and down of screw rod simultaneously, preferably, arch support is the frame structure of hollow, screw rod is threaded on arch support by the pin with threaded hole be filled in arch support, and at least one end of pin with threaded hole is fixed on arch support by back-up ring and the split pin through back-up ring and pin with threaded hole.Can prevent pin with threaded hole from rotating with threaded like this; Above-mentioned screw rod operationally can along pin axial rotation with threaded hole, and slewing area 0 ° ~ 120 °, to determine suitable pressing position.
In order to improve flexibility and the uniformity of pressurization further, preferably, the end that screw rod stretches to former outer surface one end is spherical structure, and rubber blanket is enclosed within the periphery of spherical structure and the bottom in rubber blanket is provided with short spring.Rubber blanket can be made to turn adjusting angle 360 ° of inward turnings by this connected mode, during work, cater to the variation tendency of complex-curved serving textile corresponding position well, ensure that rubber blanket contacts completely with complex-curved surface, thus ensure pressure effect.
In order to improve the stability of pressurization, preferably, the bottom of rubber blanket is wave structure.The frictional force between rubber blanket and former contact surface can be increased like this, thus ensure pressure point position stability, not slippage.The bottom of rubber blanket refers to that face that directly can contact with former outer surface.
In order to improve the stability of pressurization further, preferably, the many areas exerted pressure on device of above-mentioned control complex-curved serving textile layer density and uniformity, also comprises two bearings, and formpiston is between two bearings, and the two ends of former are detachably connected on two bearings respectively.
Preferably, the size of bearing can be regarded as and extends rear acquisition vertically by cavity dimension, i.e. the position that contacts with former of bearing, and curved surface Changing Pattern is identical, and both guarantees can be mated completely, be fitted; In addition, on bearing, screwed hole or the through hole of each cell cube of former is fixed in design, and in each cell cube of former, fixing through hole is mated in design with bearing.
In order to improve stability and the uniformity of pressurization further, preferably, the many areas exerted pressure on device of above-mentioned control complex-curved serving textile layer density and uniformity, also comprises fixed head, and two bearings and arch support are installed on fixed head.
During work, first two bearings are placed on fixed head respectively, and are connected by screw; Former on formpiston, is placed on fabric, and is fixed on the bearing at two ends by screw by former, be then arranged on fixed head by arch support, and fix with nut, then be arranged on arch support by pressure-applying unit by next by fabric sleeve.
In order to improve the uniformity of pressurization further, preferably, many areas exerted pressure on assembly has two or more and along the axial distribution of former.
The erection sequence of many areas exerted pressure on assembly is for axially being carried out to both sides by center along fabric, after installing the arch support at center, then corresponding on mounting center arch support pressure-applying unit, then the rotary handle on rotary presser assembly, drives screw rod to move downward, rubber blanket is contacted with former outer surface, after manually fixing the position of rubber blanket, continue rotary handle to pressurize, until cannot turn, then the many areas exerted pressure on assembly of both sides be installed successively by identical method.After many areas exerted pressure on assembly is all installed, check whether each pressure point of many areas exerted pressure on assembly is all in complete impaction state, if there is loosening part, tightened by rotary handle, so far the installation of many areas exerted pressure on device is just completed, leave standstill a period of time (time of repose is determined according to the thickness of fabric, and general fabrics thickness G reatT.GreaT.GT15mm is 24h), the longitudinal pressing process of complex-curved fabric can be completed.
In order to ensure pressure effect further, preferably, the spacing of adjacent two many areas exerted pressure on assemblies is less than 500mm.
In order to install facility, the two ends end face on former each cell cube axial length respectively designs more than one screwed hole mated with threaded short handle.When needing mobile like this, threaded short handle is established the screwed hole in the screw-in cell cube of threaded one end, thus realize utilizing threaded short handle to the movement of each cell cube, not only laborsaving but also facilitate.
The NM technology of the present invention is all with reference to prior art.
The many areas exerted pressure on apparatus structure of the above-mentioned control of the present invention complex-curved serving textile layer density and uniformity is simple, easily processing, easily assembling, easy to use, layer density and the uniformity that effectively can control complex-curved stereo fabric, thus improve the quality of complex-curved serving textile.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention controls the many areas exerted pressure on device of complex-curved serving textile layer density and uniformity;
Fig. 2 is the assembling schematic diagram of embodiment 2 former and formpiston;
Fig. 3 is the stereogram of Fig. 2;
Fig. 4 is Fig. 2 is top view;
Fig. 5 is the structural representation of pressure-applying unit;
Fig. 6 is threaded short screw handle schematic diagram;
In figure, 1 is fixed head, and 2 is bearing, and 3 is formpiston, 4 is former, and 4-1 is cell cube one, 4-2 is cell cube two, 4-3 is cell cube three, 4-4 be cell cube four, 4-5 is cell cube five, 5 is arch support, and 6 is pressure-applying unit, and 7 is rotary handle, 8 is screw rod, and 9 is pin with threaded hole, and 10 is back-up ring, 11 is split pin, and 12 is rubber blanket, and 13 is threaded short handle.
Detailed description of the invention
In order to understand the present invention better, illustrate content of the present invention further below in conjunction with embodiment, but content of the present invention is not only confined to the following examples.
Embodiment 1
The many areas exerted pressure on device of the complex-curved serving textile layer density of control as shown in the figure and uniformity, comprises formpiston, former, many areas exerted pressure on tool component and two bearings;
Former is located at formpiston periphery, and former and formpiston shape are mated mutually; Fabric to be pressurised, former and formpiston are the half-conical structure (as Figure 1-4) that axial dimension increases progressively gradually; Formpiston is between two bearings, and the two ends of former are detachably connected on two bearings respectively.
Many areas exerted pressure on assembly comprises: arch support and pressure-applying unit; Arch support is erected at the periphery of former; Pressure-applying unit comprises screw rod, rotary handle and rubber blanket, and screw flight is connected on arch support, and former outer surface is stretched to through arch support in screw rod one end, and the other end is stayed outside arch support; Rotary handle is connected on one end that screw rod stays outside arch support; Rubber blanket is located at the end that screw rod stretches to former outer surface one end.
Former is axially split into 5 cell cubes along it; Each arch support is provided with 5 pressure-applying units, a pressure-applying unit on the corresponding each arch support of each cell cube, and the centre position of the rubber blanket corresponding unit body of pressure-applying unit; Many areas exerted pressure on assembly has 4 and axis along former is uniformly distributed; The spacing of adjacent two many areas exerted pressure on assemblies is 300mm.
Two ends end face on each cell cube axial length respectively designs two screwed holes mated with threaded short handle.
The end that screw rod stretches to former outer surface one end is spherical structure, and rubber blanket is enclosed within the periphery of spherical structure and the bottom in rubber blanket is provided with short spring.The bottom of rubber blanket is wave structure.
During pressurization, first two bearings are placed on fixed head respectively, and are connected by screw, formpiston is placed between two holders; Secondly by fabric sleeve on formpiston, former is placed on fabric, and by screw, former is fixed on the bearing at two ends, then many areas exerted pressure on assembly is installed and (first arch support is arranged on fixed head, and fix with nut, then pressure-applying unit is arranged on arch support);
The erection sequence of many areas exerted pressure on assembly is for axially being carried out to both sides by center along fabric, after installing the arch support at center, then corresponding on mounting center arch support pressure-applying unit, then the rotary handle on rotary presser assembly, drives screw rod to move downward, rubber blanket is contacted with former outer surface, after manually fixing the position of rubber blanket, continue rotary handle to pressurize, until cannot turn, then the many areas exerted pressure on assembly of both sides be installed successively by identical method.After many areas exerted pressure on assembly is all installed, check whether each pressure point of many areas exerted pressure on assembly is all in complete impaction state, if there is loosening part, tightened by rotary handle, so far the installation of many areas exerted pressure on device is just completed, leave standstill 24h (complex-curved fabric thickness to be pressurised is 20mm), the pressure process of complex-curved fabric can be completed.In this way after pressurization, lamination carbon cloth can extend to free end to greatest extent, and layer density and uniformity are controlled effectively, and improve product quality, as shown in table 1.
Table 1 many areas exerted pressure on implements front and back tissue layer density measure contrast table
Sequence number in table refers to four points randomly drawed on fabric.
Embodiment 2
Substantially the same manner as Example 1, difference is: arch support is the frame structure of hollow, screw rod is threaded on arch support by the pin with threaded hole be filled in arch support, and at least one end of pin with threaded hole is fixed on arch support by back-up ring and the split pin through back-up ring and pin with threaded hole;
Control the many areas exerted pressure on device of complex-curved serving textile layer density and uniformity, also comprise fixed head, two bearings and arch support are installed on fixed head.
Claims (10)
1. control a many areas exerted pressure on device for complex-curved serving textile layer density and uniformity, it is characterized in that: comprise formpiston, former and many areas exerted pressure on tool component;
Former is located at formpiston periphery, and former and formpiston shape are mated mutually;
Many areas exerted pressure on assembly comprises: arch support and pressure-applying unit; Arch support is erected at the periphery of former; Pressure-applying unit comprises screw rod, rotary handle and rubber blanket; Screw flight is connected on arch support, and former outer surface is stretched to through arch support in screw rod one end, and the other end is stayed outside arch support; Rotary handle is connected on one end that screw rod stays outside arch support; Rubber blanket is located at the end that screw rod stretches to former outer surface one end.
2. the many areas exerted pressure on device controlling complex-curved serving textile layer density and uniformity as claimed in claim 1, is characterized in that: former is axially split into the cell cube of more than two along it; Each arch support is provided with plural pressure-applying unit, a pressure-applying unit at least corresponding each arch support of each cell cube.
3. the many areas exerted pressure on device controlling complex-curved serving textile layer density and uniformity as claimed in claim 2, is characterized in that: the two ends end face on each cell cube axial length respectively designs more than one screwed hole mated with threaded short handle.
4. the many areas exerted pressure on device of the complex-curved serving textile layer density of the control as described in claim 1-3 any one and uniformity, it is characterized in that: arch support is the frame structure of hollow, screw rod is threaded on arch support by the pin with threaded hole be filled in arch support, and at least one end of pin with threaded hole is fixed on arch support by back-up ring and the split pin through back-up ring and pin with threaded hole.
5. the many areas exerted pressure on device of the complex-curved serving textile layer density of the control as described in claim 1-3 any one and uniformity, it is characterized in that: the end that screw rod stretches to former outer surface one end is spherical structure, and rubber blanket is enclosed within the periphery of spherical structure and the bottom in rubber blanket is provided with short spring.
6. the many areas exerted pressure on device of the complex-curved serving textile layer density of the control as described in claim 1-3 any one and uniformity, is characterized in that: the bottom of rubber blanket is wave structure.
7. the many areas exerted pressure on device of the complex-curved serving textile layer density of the control as described in claim 1-3 any one and uniformity, it is characterized in that: also comprise two bearings, formpiston is between two bearings, and the two ends of former are detachably connected on two bearings respectively.
8. the many areas exerted pressure on device controlling complex-curved serving textile layer density and uniformity as claimed in claim 7, it is characterized in that: also comprise fixed head, two bearings and arch support are installed on fixed head.
9. the many areas exerted pressure on device of the complex-curved serving textile layer density of the control as described in claim 1-3 any one and uniformity, is characterized in that: many areas exerted pressure on assembly has two or more and along the axial distribution of former.
10. the many areas exerted pressure on device of the complex-curved serving textile layer density of the control as described in claim 1-3 any one and uniformity, is characterized in that: the spacing of adjacent two many areas exerted pressure on assemblies is less than 500mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510580061.4A CN105291446B (en) | 2015-09-11 | 2015-09-11 | A kind of many areas exerted pressure on device for controlling complex-curved suture tissue layer density and uniformity |
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| CN201510580061.4A CN105291446B (en) | 2015-09-11 | 2015-09-11 | A kind of many areas exerted pressure on device for controlling complex-curved suture tissue layer density and uniformity |
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| CN105291446A true CN105291446A (en) | 2016-02-03 |
| CN105291446B CN105291446B (en) | 2017-12-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000682A (en) * | 2021-02-07 | 2021-06-22 | 中南大学 | Mechanical loading tool and loading method for outer grid wallboard |
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| CN1982040A (en) * | 2005-11-01 | 2007-06-20 | 波音公司 | Methods and systems for manufacturing a family of aircraft wings and other composite structure |
| CN202839152U (en) * | 2012-10-17 | 2013-03-27 | 重庆泰山电缆有限公司 | Forming compressing device for composite aluminum-plastic tapes for longitudinal cable wrapping machines |
| CN203649151U (en) * | 2013-12-19 | 2014-06-18 | 方大新材料（江西）有限公司 | Manually adjusted flexible mold for forming curved surface aluminum decorating plates |
| CN104646475A (en) * | 2015-03-05 | 2015-05-27 | 吉林大学 | Multi-point forming method for whole aluminum alloy wall plate of aircraft |
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2015
- 2015-09-11 CN CN201510580061.4A patent/CN105291446B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1982040A (en) * | 2005-11-01 | 2007-06-20 | 波音公司 | Methods and systems for manufacturing a family of aircraft wings and other composite structure |
| CN202839152U (en) * | 2012-10-17 | 2013-03-27 | 重庆泰山电缆有限公司 | Forming compressing device for composite aluminum-plastic tapes for longitudinal cable wrapping machines |
| CN203649151U (en) * | 2013-12-19 | 2014-06-18 | 方大新材料（江西）有限公司 | Manually adjusted flexible mold for forming curved surface aluminum decorating plates |
| CN104646475A (en) * | 2015-03-05 | 2015-05-27 | 吉林大学 | Multi-point forming method for whole aluminum alloy wall plate of aircraft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000682A (en) * | 2021-02-07 | 2021-06-22 | 中南大学 | Mechanical loading tool and loading method for outer grid wallboard |
| CN113000682B (en) * | 2021-02-07 | 2022-04-08 | 中南大学 | Mechanical loading tool and loading method for outer grid wallboard |
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