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CN-117822199-B - Quick-release and quick-change type braiding ring suitable for rotary braiding and use method thereof

CN117822199BCN 117822199 BCN117822199 BCN 117822199BCN-117822199-B

Abstract

The invention discloses a quick-release and quick-change type braiding ring suitable for rotary braiding and a use method thereof, wherein the quick-release and quick-change type braiding ring comprises a quick-release braiding ring module, the quick-release braiding ring module comprises a quick-release braiding ring and a braiding base, and through holes for a core mold to pass through are formed in the quick-release braiding ring and the braiding base; the detachable braiding ring and the braiding base are both in detachable splicing structures, namely, an arc-shaped bottom ring used for restraining yarns is arranged at the bottom of the detachable braiding ring, namely, the detachable braiding ring is fixedly connected with the braiding base and is positioned in a through hole of the braiding base, and when the braiding ring is replaced or detached, the detachable braiding ring and the braiding base are released from fixation, and then the detachable braiding ring is detached into a plurality of braiding ring units to be detached from two sides of the core mold. The invention installs and removes the braiding ring module at the original braiding ring position, changes the actual working radius of the braiding ring by changing the arc-shaped bottom ring with different radiuses, ensures that the braiding ring radius can be changed according to the size of the prefabricated body, ensures that the braiding is more uniform, and ensures the braiding quality.

Inventors

  • SHAN ZHONGDE
  • ZHU XIANGYU
  • WANG JUN
  • Hui Dake
  • LIU JIALE

Assignees

  • 南京航空航天大学
  • 南京航空航天大学无锡研究院

Dates

Publication Date
20260512
Application Date
20231214

Claims (8)

  1. 1. The quick-release and quick-change type braiding ring suitable for rotary braiding is characterized by comprising a quick-release braiding ring module (1), wherein the quick-release braiding ring module (1) comprises a quick-release braiding ring (11) and a braiding base (12), through holes for a core mold to pass through are formed in the quick-release braiding ring (11) and the braiding base (12), the quick-release braiding ring (11) is formed by splicing a plurality of braiding ring units (13) and the braiding base (12) is formed by splicing a plurality of braiding base units (14), an arc-shaped bottom ring (15) for restraining yarns is arranged at the bottom of the quick-release braiding ring (11), the quick-release braiding ring (11) is fixedly connected with the braiding base (12), the arc-shaped bottom ring (15) is positioned in the through holes of the braiding base (12), and when the braiding ring is replaced or detached, the quick-release braiding ring (11) is detached into a plurality of braiding ring units (13) from two sides; The quick-release braiding ring (11) comprises two braiding ring units (13), wherein the braiding ring units are provided with connecting plates (16) used for being connected with a braiding base (12), the arc-shaped bottom rings (15) are fixedly connected with the connecting plates (16), when the quick-release braiding ring (11) is installed, the connecting plates (16) are abutted to the upper surface of an original braiding ring, and the arc-shaped bottom rings (15) are positioned on the inner side of the original braiding ring; One side of the arc-shaped bottom ring (15) is provided with a first splicing groove (151), the other side of the arc-shaped bottom ring is provided with a first splicing block (152) matched with the first splicing groove (151), and the first splicing block (152) of one braiding ring unit (13) is inserted into the first splicing groove (151) of the other braiding ring unit (13) to complete the splicing of the immediately detachable braiding ring (11).
  2. 2. A ready-to-use and-exchange braiding ring according to claim 1, wherein the braiding base (12) comprises two braiding base units (14), the braiding base units (14) comprising a base groove (17) for fixing the position of the braiding base (12) and a base body (18) located inside the base groove (17), the base groove (17) being in abutment with the lower surface of the original braiding ring to fix the position of the braiding base (12) when mounted, the base body (18) being located inside the original braiding ring.
  3. 3. The quick release and replacement braiding ring according to claim 2, wherein the base body (18) is provided with a second splicing groove (181) on one side and a second splicing block (182) matching the second splicing groove (181) on the other side, wherein the second splicing block (182) of one braiding base unit (14) is inserted into the second splicing groove (181) of the other braiding base unit (14) to complete the splicing of the braiding base (12).
  4. 4. A quick release and exchange braiding ring according to claim 3, wherein the bottom of the arc-shaped bottom ring (15) and the inner side of the bottom of the base body (18) are rounded to reduce friction with the yarns.
  5. 5. The quick-release and quick-change type braiding ring according to claim 4, wherein a plurality of screw holes corresponding to positions are formed in the connecting plate (16) and the base body (18), a screw is arranged in the screw holes to fixedly connect the quick-release braiding ring (11) and the braiding base (12), and two ends of the screw are fixed by bolts.
  6. 6. The quick release and replacement type woven ring according to claim 5, wherein a bolt counterbore (183) is further provided on the base body (18), and a bolt on one side of the base body (18) is mounted in the bolt counterbore (183) to prevent the bolt from being entangled with the yarn.
  7. 7. The quick-release and quick-change type braiding ring according to claim 6, further comprising a primary braiding ring (2), wherein the primary braiding ring (2) is in a circular ring shape, a through hole for a core mold to pass through is formed in the middle of the primary braiding ring (2), a connecting plate (16) abuts against the upper surface of the primary braiding ring (2), a base groove (17) abuts against the lower surface of the primary braiding ring (2), and an arc-shaped bottom ring (15) is installed in the through hole of the primary braiding ring (2).
  8. 8. A method of using the ready-to-detach and ready-to-replace braided ring of any one of claims 1-7, comprising the steps of: Step 1, installing a braided base (12), pushing the braided base (12) from the lower part of an original braided ring after the braided base (12) is spliced, and fixing the position of the braided base (12); Step 2, installing and detaching the braiding ring (11), placing braiding ring units (13) on two sides of a core mold and completing splicing, namely, abutting the upper surface of the detached braiding ring (11) with the upper surface of the original braiding ring, and positioning an arc-shaped bottom ring (15) on the inner side of the original braiding ring; step 3, assembling the instantly-disassembled braided ring module (1), wherein the instantly-disassembled braided ring (11) is fixedly connected with the braided base (12), and the radius of the arc-shaped bottom ring (15) is the actual working radius of the instantly-disassembled braided ring module (1) in the braiding process; and 4, replacing the immediately detachable braided ring module (1), releasing the immediately detachable braided ring (11) and the braided base (12), detaching the immediately detachable braided ring (11) into a plurality of braided ring units (13), detaching the braided ring units from two sides of the core mold, and replacing the braided ring units with the immediately detachable braided rings (11) with different arc-shaped bottom rings (15) in radiuses.

Description

Quick-release and quick-change type braiding ring suitable for rotary braiding and use method thereof Technical Field The invention relates to the technical field of rotary braiding machines, in particular to a detachable and replaceable braiding ring suitable for rotary braiding and a use method thereof. Background The rotary braiding machine can rotate to form a composite material preform through a yarn carrier, the prefabricated reinforced composite material formed through braiding is a novel advanced composite material in the high technical field, fiber bundles are interwoven in different directions in the material to form an integral structure, and the integral structure has excellent impact toughness, fatigue resistance and ablation resistance, can be used for manufacturing high-temperature functional structural materials, and can also be used for beams, frames, ribs, shafts, rods and other parts in structures of wind driven generator blades and the like. In order to change the interweaving state of yarns and adjust the braiding forming position in the braiding process, braiding rings are widely used for restraining the yarns, so that the yarns are interweaved and gathered in advance to form a preform. And the size of the braiding ring is not suitable to be too large from the diameter of the mandrel (or the size of the target preform), otherwise, the phenomenon of uneven braiding can occur. At present, the braiding rings are fixed on braiding equipment in a welding mode and the like, and cannot be adjusted according to the actual size of the target preform. And once the braiding rings are secured to the rotary braiding apparatus, replacement is difficult, and the size of the preform allowed to be braided by the braiding apparatus is limited. Disclosure of Invention Aiming at the defect that the radius of the existing braiding ring cannot be changed along with the size of a preform, the invention provides a detachable and replaceable braiding ring suitable for rotary braiding and a use method thereof. The technical scheme is that the quick-release and quick-change type braiding ring suitable for rotary braiding comprises a quick-release braiding ring module, wherein the quick-release braiding ring module comprises a quick-release braiding ring and a braiding base, through holes for a core mold to pass through are formed in the quick-release braiding ring and the braiding base, the quick-release braiding ring is formed by splicing a plurality of braiding ring units, the braiding base is formed by splicing a plurality of braiding base units, an arc-shaped bottom ring used for restraining yarns is arranged at the bottom of the quick-release braiding ring, the quick-release braiding ring is fixedly connected with the braiding base and is positioned in the through holes of the braiding base, and when the braiding ring is replaced or detached, the quick-release braiding ring is fixed with the braiding base, and the quick-release braiding ring is split into a plurality of braiding ring units to be detached from two sides of the core mold. Further, the immediately detachable braiding ring comprises two braiding ring units, the braiding ring units are provided with connecting plates used for being connected with the braiding base, the arc-shaped bottom ring is fixedly connected with the connecting plates, when the immediately detachable braiding ring is installed, the connecting plates are abutted to the upper surface of the original braiding ring, and the arc-shaped bottom ring is located on the inner side of the original braiding ring. Further, a first splicing groove is formed in one side of the arc-shaped bottom ring, a first splicing block matched with the first splicing groove is arranged on the other side of the arc-shaped bottom ring, and the first splicing block of one braiding ring unit is inserted into the first splicing groove of the other braiding ring unit to complete splicing of the detachable braiding ring. Further, the base includes two base units of weaving, base unit of weaving is including the base groove that is used for fixed base position of weaving and the base main part that is located the base inslot side, and during the installation, the base groove supports with the position of fixed base of weaving with former braiding ring lower surface, and the base main part is located former braiding ring inboard. Further, a second splicing groove is formed in one side of the base body, a second splicing block matched with the second splicing groove is arranged on the other side of the base body, and the second splicing block of one of the braided base units is inserted into the second splicing groove of the other braided base unit to complete splicing of the braided base. Furthermore, the bottom of the arc-shaped bottom ring and the inner side of the bottom of the base body are both round corners so as to reduce friction force with yarns. Further, the connecting plate and the base body are prov