CN113370551B - Circular weaving method for composite material high-pressure container - Google Patents
Circular weaving method for composite material high-pressure container Download PDFInfo
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- CN113370551B CN113370551B CN202110633987.0A CN202110633987A CN113370551B CN 113370551 B CN113370551 B CN 113370551B CN 202110633987 A CN202110633987 A CN 202110633987A CN 113370551 B CN113370551 B CN 113370551B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7154—Barrels, drums, tuns, vats
- B29L2031/7156—Pressure vessels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Woven Fabrics (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
A circular weaving method of a composite material high-pressure container comprises the following steps: firstly, uniformly distributing the ends of warps at the root of a seal head at one end of a core mold and tightening the warps by using a binding belt; then, circular weaving is started; then the shedding mechanism starts to normally move along with the rotation of the main shaft of the circular weaving machine, and meanwhile, the core mold reversely moves and circularly reciprocates until the thickness of the fabric meets the requirement, so that circular weaving is completed; and (4) carrying out glue dripping, pressurizing and heating fixed telephone operation on the circularly woven structure to obtain the composite material high-pressure container. The composite material high-pressure container is woven by a circular weaving machine, the helical angles of all warps laid on the cylindrical surface relative to the axis of the core mold are the same, and the helical directions of the warps of adjacent layers relative to the axis of the core mold are opposite, so that the cross bending of fibers caused by mutual overlapping does not exist between adjacent laid warp layers, and the mechanical property of high-strength fibers can be better exerted. The invention can be used for weaving the solid hair combustion chamber shell and can also be used for producing composite material wings, large-scale fan blades, telegraph poles and large-scale high-pressure pipelines.
Description
Technical Field
The invention belongs to the technical field of manufacturing of composite material high-pressure containers, and particularly relates to a circular weaving method of a solid rocket engine combustion chamber shell.
Background
The composite material solid rocket engine combustion chamber shell is mostly manufactured by adopting a high-strength fiber winding process in the past, and the advantage of the process is that the high-strength fibers can fully exert the unidirectional strength advantage according to the intention of a designer, so that the manufactured solid rocket engine combustion chamber shell is light and firm. However, the filament winding process can form thick stacks at the sealing heads at the two ends of the hair fixing shell, and the circumferential strength at the positions is insufficient to be reinforced.
Disclosure of Invention
The invention aims to provide a circular weaving method of a composite material high-pressure container, which solves the problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a circular weaving method of a composite material high-pressure container comprises the following steps:
firstly, uniformly distributing ends of warps at the root of a seal head at one end of a core mold, and tightly binding the warps by using a binding belt;
then circular weaving is started, the diameter of the circular fabric is increased along with the increase of the diameter of the core mould, after the spherical surface of the end socket at one end is woven, the circular weaving machine is operated, the shedding mechanism and the weft insertion mechanism change the working mode, all warp yarns are moved to the inner side, the weft insertion mechanism is wound on the outer side of the warp yarns, the core mould is driven by the core mould moving mechanism to continue to move along the axial direction, when the weft yarns are wound to the position where the end socket at the other end is tangent to the cylindrical surface, the shedding mechanism and the weft insertion mechanism stop acting, and only the core mould moving mechanism continues to move the weaving opening position to the root of the end socket to stop;
then the shedding mechanism and the weft insertion mechanism start to move normally along with the rotation of the main shaft of the circular weaving machine, and simultaneously the core mold makes reverse movement along the axial direction and reciprocates circularly until the thickness of the fabric meets the requirement, thereby finishing circular weaving;
and (3) carrying out glue dripping, pressurizing, heating and curing operations on the circularly woven structure to obtain the composite material high-pressure container.
Further, the circular weaving comprises the following specific steps: the end socket at one end is circularly woven, when the end socket is close to the tangent point of the cylindrical section, the heald frame stops opening action after all warp yarns are moved to the inner side, and the core mold moving mechanism drives the core mold to move axially to the other side and simultaneously rotate around the axis of the core mold moving mechanism;
after the position of the cloth fell moves to the joint root position of the other side, the shedding mechanism and the weft insertion mechanism of the circular weaving machine start normal circular weaving movement, and the core mold moving mechanism drives the core mold to move reversely; when the cloth fell is close to the tangent point between the end enclosure and the cylindrical section, the shedding mechanism moves all the warps to the inner side and stops shedding, the weft insertion mechanism still pushes the shuttle to rotate around the core mold and perform annular winding outside the warps, and the core mold moving mechanism drives the core mold to move to the other side along the axial direction and simultaneously rotate around the axis of the core mold so as to enable the spiral angles of the adjacent two layers of tiled warps to be positive and negative; after the weft yarns are wound to the tangent position of the end socket on the starting side and the cylindrical surface, the shedding mechanism and the weft insertion mechanism stop working, the core mold moving mechanism keeps the original movement continuously, and after the weaving opening position moves to the end socket root position on the starting side, the movement is repeated until the thickness of the fabric meets the requirement; and after the end socket curved surface of the last layer is circularly woven, continuously circularly weaving the cylindrical surface until the cylindrical surface at the outermost side is completely woven.
Furthermore, each warp of the loom adopts a torque motor or a brake and an elastic compensator to control the tension thereof.
Furthermore, a torque motor or a permanent magnet damper is arranged on a weft bobbin shaft of the loom shuttle.
Furthermore, a glue spraying nozzle is arranged near the cloth fell of the weaving machine.
Further, the fabric is circularly woven by adopting dry yarns, the fabric is placed on a special rotating bracket in a vacuum chamber for glue dripping after being woven, after all surfaces to be dripped with enough glue solution are dripped, the vacuum chamber is pressurized, and the glue solution is fully immersed into the fabric under the action of external pressure; and then putting the fabric on a rotary bracket of a curing furnace, carrying out rotary heating, throwing off redundant glue solution at a higher rotating speed, and then reducing the rotating speed for curing.
Further, the core mold moving mechanism comprises a main shaft-moving trolley, an auxiliary shaft-moving trolley, a track, an axial driving motor, a limit baffle and a lead screw; wheels are arranged below the main car of the axle-shifting trolley, the wheels are arranged on two parallel rails, and two ends of each rail are provided with limit baffles; an axial driving motor of the axial shifting trolley is installed at the position of the limiting baffle at one end and is connected with a lead screw through a speed reducer, nuts are arranged on the lead screw, and the nuts are arranged below the main trolley of the axial shifting trolley and the auxiliary trolley of the axial shifting trolley.
Furthermore, a main vehicle of the shaft-moving trolley is provided with a core-mold spinning servo motor, a flange and a supporting mechanism, wherein the flange and the supporting mechanism are connected with a core-mold joint; the front joint and the rear joint at the two ends of the core mold are respectively connected with the connecting flanges of the main axle moving trolley and the auxiliary axle moving trolley.
Compared with the prior art, the invention has the following technical advantages:
1. the circular weaving machine is adopted to weave the composite material high-pressure container, and the adjacent tiled warp layers on the cylindrical surface do not have fiber cross bending caused by mutual overlapping, so that the mechanical property of the high-strength fiber can be better exerted;
2. the helical angles of all warps in the same layer tiled in the cylindrical surface relative to the axis of the core mold are the same, and the requirements of the shell on bending resistance and torsion resistance can be met by controlling the helical angles of the warps tiled in the cylindrical surface relative to the axis of the core mold;
3. the end enclosure part adopts circular weaving and weft density is reasonably arranged, so that the reinforcing process can be simplified, the mechanical strength of the end enclosures at two ends can be obviously improved, and the fiber weight of the end enclosures can be reduced;
4. the outer surface of the composite material high-pressure container woven by adopting the circular weaving process is of a flat and uniform interweaving structure, is not easy to fluff and break, and has higher protective performance;
5. compared with the traditional fiber winding process, the composite material high-pressure container manufactured by adopting the circular weaving process and the circular weaving process has the advantages of higher automation degree, higher production efficiency, more stable quality and lower manufacturing cost.
Drawings
FIG. 1 is a schematic structural view of a circular weaving method of a composite material solid rocket combustion chamber shell;
FIG. 2 is a schematic top view of the structure of the circular loom system of the present invention;
figure 3 is a schematic view of the connection between the composite hair setting combustion chamber and the front and rear skirts 25.
Wherein: 1. a front flange; 2. binding a rope; 3. a warp end; 4. a circular weaving starting position; 5. a heat insulating layer; 6. sand core molding; 7. an axial normal and oblique warp layer; 8. an axial negative slant warp layer; 9. a weft yarn wrap-around layer; 10. interweaving layers; 11. a rear flange; 24. no oblique warp yarn axially; 12. a warp bobbin; 13. detecting broken warp; 14. a shedding heald frame; 15. a shuttle; 16. a connecting flange; 17. an axial drive motor; 18. a lead screw; 19. a track; 20. a main vehicle of the axis-shifting trolley; 21. an auxiliary trolley of the shaft-moving trolley; 22. a limit baffle; 23. sealing head interweaving surfaces; 25. a skirt.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
referring to fig. 1, the invention provides a circular weaving method of a composite material solid rocket combustion chamber shell, which adopts a circular weaving machine to replace a dining machine to weave a bearing structure of a high-pressure container, controls the opening of warp yarns of the weaving machine and the axial movement speed of a core mould through a software program, and changes the fabric structure and weft density so that the strength of each part of the fabric in any direction meets the requirement; the core mould is arranged on an axial movement mechanism, the ends of warp yarns are uniformly distributed at the root of an end socket at one end of the core mould, the warp yarns are tightened by a binding belt, then circular weaving is started, the diameter of the circular fabric is increased along with the increase of the diameter of the core mould, after a layer of cylindrical surface is woven, a main shaft stops rotating, a shedding mechanism and a weft insertion mechanism stop working, the core mould continues to move forwards and axially, the position of a weaving opening is moved to the root of the end socket to stop, then the shedding mechanism starts to move normally along with the rotation of the main shaft, meanwhile, the core mould moves reversely and reciprocates circularly until the thickness of the fabric meets the requirements.
During weaving, uniformly distributing end heads 3 of warps on the excircle of a front connector 1 at one end of a core mold, fastening the warp heads 3 by using a binding belt 2, circularly weaving an end socket at the end from the root of the front connector 1, and stopping weft insertion when the end socket approaches to the tangent point of a cylindrical section, wherein the core mold continuously moves towards one side of a rear connector 2 at a high axial speed and rotates around the axis of the core mold at a certain angular speed; after the cloth fell position moves to the 2 rear joints, the shedding mechanism and the weft insertion mechanism start normal circular weaving movement and the core mold servo mechanism drives the core mold to move reversely, when the cloth fell is close to the tangent point of the end socket and the cylindrical section, the shedding mechanism moves all the warp yarns to the inner side and stops shedding, the weft insertion mechanism still pushes the shuttle to rotate around the core mold to perform annular winding outside the warp yarns, the core mold moving mechanism drives the core mold to move towards one side of the front joint 1 along the axial direction and simultaneously rotate around the axis of the core mold, so that the spiral angles of the adjacent two layers of tiled warp yarns are positive and negative; after the weft yarns are wound to the tangent position of the end socket and the cylindrical surface of the front connector 1, the shedding mechanism and the weft insertion mechanism stop working, the core mold moving mechanism keeps the original movement continuously, and after the weaving opening position moves to the end socket root position on one side of the front connector 1, the movement is repeated until the thickness of the fabric meets the requirement.
In order to improve the bending resistance of the cylinder, the warp yarns of the warp yarn layers on the partial cylindrical section faces are parallel to the axis.
The circular weaving adopts dry yarn weaving, a circle of fixed glue spraying openings are arranged beside a weaving opening of a weaving machine, and proper glue solution is sprayed on the yarns at the weaving opening in the weaving process.
Example 2
Referring to fig. 1 and 3, the present embodiment is a method for connecting the composite hair setting combustion chamber and the front and rear skirts 25 by a weaving process. After the shell is basically woven by the method of embodiment 1, when the weaving machine weaves about half of the weaving cylinder surface, the front skirt and the rear skirt are respectively pressed and sleeved on the front end socket and the rear end socket of the shell, then the weaving cylinder surface is continued to press the front skirt firmly, and then the reverse circular weaving is carried out to press the rear skirt firmly.
The oblique laying of the warp layers on the cylindrical surface section can make the shell have torsion resistance, and the warp parallel to the axial line can make the shell have enough bending resistance.
The main shaft direction of the common circular weaving machine is vertical to the ground, and in order to weave products with larger length-diameter ratio, the main shaft direction of the circular weaving machine is preferably made to be horizontal, so that the total height of the equipment can be obviously reduced, and the operation of workers is convenient.
After the shell is woven, putting the shell on a special rotary bracket in a vacuum chamber for vacuum glue dripping, after all fiber surfaces are dripped with enough glue solution, starting pressurizing the vacuum chamber, and fully immersing the glue solution into the fabric under the action of external pressure; and then placing the woven rocket combustion chamber shell on a rotary bracket of a curing furnace, carrying out rotary heating curing, slowly cooling to the temperature close to the normal temperature after curing is finished, discharging from the furnace, and removing the core mold material to finish weaving the shell.
The invention can be used for weaving the high-pressure container shell and producing composite material wings, large-scale fan blades, telegraph poles and large-scale high-pressure pipelines.
Claims (7)
1. The circular weaving method of the composite material high-pressure container is characterized by comprising the following steps of:
firstly, uniformly distributing the ends of warps at the root of a seal head at one end of a core mold and tightening the warps by using a binding belt;
then circular weaving is started, the diameter of the circular fabric is increased along with the increase of the diameter of the core mould, after the spherical surface of the end socket at one end is woven, the circular weaving machine is operated, the shedding mechanism and the weft insertion mechanism change the working mode, all warp yarns are moved to the inner side, the weft insertion mechanism is wound on the outer side of the warp yarns, the core mould is driven by the core mould moving mechanism to continue to move along the axial direction, when the weft yarns are wound to the position where the end socket at the other end is tangent to the cylindrical surface, the shedding mechanism and the weft insertion mechanism stop acting, and only the core mould moving mechanism continues to move the weaving opening position to the root of the end socket to stop;
then the shedding mechanism and the weft insertion mechanism start to move normally along with the rotation of the main shaft of the circular weaving machine, and simultaneously the core mold makes reverse movement along the axial direction and reciprocates circularly until the thickness of the fabric meets the requirement, thereby finishing circular weaving;
carrying out glue dripping, pressurizing, heating and curing operations on the circularly woven structure to obtain a composite material high-pressure container;
the circular weaving method comprises the following specific steps: the end socket at one end is circularly woven, when the end socket is close to the tangent point of the cylindrical section, the heald frame stops opening action after all warps move to the inner side, and the core mold moving mechanism drives the core mold to move axially to the other side and simultaneously rotate around the axis of the core mold moving mechanism;
after the position of the cloth fell moves to the joint root position of the other side, the shedding mechanism and the weft insertion mechanism of the circular weaving machine start normal circular weaving movement, and the core mold moving mechanism drives the core mold to move reversely; when the cloth fell is close to the tangent point between the end enclosure and the cylindrical section, the shedding mechanism moves all the warps to the inner side and stops shedding, the weft insertion mechanism still pushes the shuttle to rotate around the core mold and perform annular winding outside the warps, and the core mold moving mechanism drives the core mold to move to the other side along the axial direction and simultaneously rotate around the axis of the core mold so as to enable the spiral angles of the adjacent two layers of tiled warps to be positive and negative; after the weft yarns are wound to the tangent position of the end socket on the starting side and the cylindrical surface, the shedding mechanism and the weft insertion mechanism stop working, the core mold moving mechanism keeps the original movement continuously, and after the weaving opening position moves to the end socket root position on the starting side, the movement is repeated until the thickness of the fabric meets the requirement; and after the end socket curved surface of the last layer is circularly woven, circularly weaving the cylindrical surface continuously until the cylindrical surface at the outermost side is completely woven.
2. A circular weaving method for composite material high pressure vessel according to claim 1 is characterized in that the tension of each warp yarn of the weaving machine is controlled by a torque motor or a brake plus an elastic compensator.
3. The circular weaving method for the composite material high-pressure container according to claim 1, characterized in that a torque motor or a permanent magnet damper is arranged on a weft bobbin shaft of a weaving machine shuttle.
4. The circular weaving method of a composite material high-pressure vessel as claimed in claim 1, wherein a glue nozzle is provided near the weaving opening of the weaving machine.
5. The circular weaving method of the composite material high-pressure container according to claim 1, wherein the fabric is circularly woven by dry yarn, the woven fabric is placed on a special rotating bracket in a vacuum chamber for glue dripping, after all the surfaces to be dripped with enough glue solution, the vacuum chamber is pressurized, and the glue solution is fully immersed into the fabric under the action of external pressure; and then putting the fabric on a rotary bracket of a curing furnace, carrying out rotary heating, firstly throwing away redundant glue solution at a higher rotating speed, and then reducing the rotating speed for curing.
6. The circular weaving method of the composite material high-pressure container according to the claim 1, characterized in that the core mold moving mechanism comprises a main shaft-moving trolley (20), a secondary shaft-moving trolley (21), a track (19), an axial driving motor (17), a limit baffle (22) and a lead screw (18); wheels are arranged below the main vehicle (20) of the axle-moving trolley, the wheels are arranged on two parallel rails (19), and two ends of each rail (19) are provided with limit baffles (22); an axial driving motor (17) of the axial-moving trolley is installed at the position of a limiting baffle (22) at one end, the axial driving motor (17) is connected with a lead screw (18) through a speed reducer, the lead screw (18) is provided with nuts, and the nuts are arranged below a main axial-moving trolley (20) and an auxiliary axial-moving trolley (21).
7. The circular weaving method of the composite material high-pressure container according to the claim 6, characterized in that the main frame (20) of the axial shift trolley is provided with a mandrel spin servo motor and a flange (16) and a supporting mechanism which are connected with the mandrel joint, the mandrel spin servo motor is connected with the mandrel, the auxiliary frame (21) of the axial shift trolley is provided with a connecting flange and a supporting mechanism which are coaxial with the flange of the main frame (20) of the axial shift trolley; the front joint and the rear joint at the two ends of the core mould are respectively connected with a connecting flange (16) of a main axle moving trolley (20) and an auxiliary axle moving trolley (21).
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| CN114148835A (en) * | 2021-12-08 | 2022-03-08 | 西安英利科电气科技有限公司 | Quick winding machine |
| CN114606624A (en) * | 2022-02-10 | 2022-06-10 | 北京玻钢院复合材料有限公司 | Adjusting device and adjusting method for adjusting height of cloth fell of revolving body fabric |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56162616A (en) * | 1980-05-21 | 1981-12-14 | Mitsubishi Rayon Co Ltd | Intermediate body for molding |
| CN205601196U (en) * | 2016-04-26 | 2016-09-28 | 哈尔滨鑫睿德科技有限公司 | Combined material abnormal shape casing wind based on robot |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR3074081B1 (en) * | 2017-11-29 | 2020-12-25 | Arianegroup Sas | METHOD AND INSTALLATION OF WINDING A PRE-IMPREGNATED TAPE OF FABRIC ON AN INCLINED SURFACE |
| CN107805871A (en) * | 2017-11-30 | 2018-03-16 | 佛山慈慧通达科技有限公司 | A kind of cone shell three dimensional fabric loom |
| CN108177359B (en) * | 2018-03-06 | 2024-01-23 | 核工业理化工程研究院 | Vacuum rotary curing device and method for winding forming composite material |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56162616A (en) * | 1980-05-21 | 1981-12-14 | Mitsubishi Rayon Co Ltd | Intermediate body for molding |
| CN205601196U (en) * | 2016-04-26 | 2016-09-28 | 哈尔滨鑫睿德科技有限公司 | Combined material abnormal shape casing wind based on robot |
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