CN-117207502-B - Gas cylinder heating device and use method thereof

CN117207502BCN 117207502 BCN117207502 BCN 117207502BCN-117207502-B

Abstract

The invention discloses a gas cylinder heating device and a use method thereof, which belong to the technical field of gas cylinder processing, wherein a rotary heating device which can drive a liner to rotate and can heat a liner cavity is arranged along the axial direction of the liner arranged on a portal frame, the rotary heating device comprises a winding tool main body, the tail end of the winding tool main body stretches into the liner and is fixedly connected with a bottle mouth of the liner, a gas inlet runner and a gas outlet runner are arranged in the winding tool main body and are respectively communicated with the cavity of the liner, a heating trolley positioned outside the liner is arranged on the portal frame and comprises a bracket, the bracket and the portal frame are connected with a sliding groove through a sliding block, the sliding groove is parallel to the axis of the liner, a heating head is arranged on the bracket, and the movement track of the heating head is consistent with the doffing point of a yarn piece on the gas cylinder, so that the temperature difference between the yarn piece to be adhered and the outer surface of the liner and/or the yarn piece adhered on the outer surface of the liner is reduced, and the fiber infiltration of resin and the shearing strength between composite layers is improved.

Inventors

CHEN CHUNLU
JI ZENGXIANG
ZHU WEIRONG
GUO WEIDONG
XIA JIANQIANG

Assignees

中材科技（苏州）有限公司
中国建材集团有限公司

Dates

Publication Date: 20260505
Application Date: 20230824

Claims (8)

1. The gas cylinder heating device is characterized in that a rotary heating device capable of driving the inner container to rotate and heating a cavity of the inner container is arranged along the axial direction of the inner container arranged on the portal frame, the rotary heating device comprises a winding tool main body capable of rotating, the tail end of the winding tool main body stretches into and is fixedly connected with a bottle opening of the inner container, an air inlet runner and an air outlet runner are arranged in the winding tool main body, and the air inlet runner and the air outlet runner are respectively communicated with the cavity of the inner container; The heating trolley is arranged outside the inner container and comprises a bracket capable of moving along the axial direction of the inner container, the bracket is connected with the portal frame through a sliding groove and a sliding block, the sliding groove is parallel to the axis of the inner container, a heating head is arranged on the bracket, and the movement track of the heating head is consistent with the doffing point of the yarn sheet on the air bottle; one end of the air inlet runner is provided with an air pipe which can extend into the cavity inside the liner, a cavity communicated with the air inlet runner is arranged inside the air pipe, the length of the air pipe is matched with the length of the cavity of the liner, and the other end of the air inlet runner is communicated with a heat source through a hot air pipeline; The winding tool main body is also provided with an air inlet communicated with the air inlet channel, bearings are respectively arranged on two axial sides of the air inlet, the inner ring of the bearing is fixedly connected with the winding tool main body, the outer ring of the bearing is fixedly connected with the outer ring, and the outer ring is communicated with the heat source through the hot air pipeline; And one side of each bearing, which is far away from the air inlet, is provided with a framework oil seal for sealing a gap between the outer ring and the winding tool main body.
2. The gas cylinder heating device of claim 1, wherein the winding tool body is provided with a gas outlet, one end of the gas outlet flow passage is communicated with the gas outlet, and the other end of the gas outlet flow passage is communicated with the cavity of the inner container.
3. The gas cylinder heating device of claim 2, wherein the outer ring is provided with a through hole communicated with the gas inlet, the side wall of the through hole is provided with an internal thread, and the hot air pipeline is provided with an external thread matched with the internal thread.
4. The gas cylinder heating device of claim 1, wherein the two ends of the bearing in the axial direction are provided with snap springs.
5. The gas cylinder heating device of claim 4, wherein the winding tool body is provided with a shaft shoulder and a baffle ring respectively, one of the framework oil seals is tightly attached to the shaft shoulder, and the other framework oil seal is tightly attached to the baffle ring.
6. The gas cylinder heating device of claim 1, wherein the portal frame comprises two opposite upright posts and a cross beam for connecting the two upright posts, wherein a tail top is arranged on one upright post, a chuck is arranged on the other upright post, the chuck clamps the winding tool main body, one end of the inner container is in threaded connection with the winding tool main body, the other end of the inner container is in rotary connection with the tail top, one side of the portal frame is provided with the heating trolley, the other side of the portal frame opposite to the heating trolley is provided with the winding trolley, the heating trolley and the winding trolley are respectively in sliding connection with the cross beam, and the movement track of the winding trolley is parallel to the movement track of the heating trolley.
7. The gas cylinder heating device of claim 6, wherein the heating trolley is provided with a support frame capable of moving up and down, the support frame is rotatably connected with a support through a connecting rod, and the support is fixedly connected with the heating head.
8. A method for using the gas cylinder heating device is characterized by comprising the following steps of: S1, preheating a winding tool main body and an inner container, and heating the winding tool main body and the inner container in a baking oven at 100 ℃ for two hours; S2, assembling all the parts, connecting a hot air pipeline and an air pipe with the heated winding tool main body respectively, enabling the assembled air pipe to extend into a cavity of the inner container, connecting the winding tool main body with the inner container in a threaded manner, clamping one end of the winding tool main body by a portal frame chuck, and connecting the other end of the inner container with a tail top; s3, winding the gas cylinder, respectively starting a driving device for driving the winding tool main body to rotate and driving the heating trolley and the winding trolley to move, enabling the winding trolley and the heating trolley to move along the axial direction and the radial direction of the gas cylinder while the gas cylinder rotates, completing winding of the inner container, and simultaneously starting a heat source and a heating head which are communicated with the hot air pipeline while winding, and respectively heating the inner container from the inside and the outside.

Description

Gas cylinder heating device and use method thereof Technical Field The invention relates to the technical field of gas cylinder processing, in particular to a gas cylinder heating device and a use method thereof. Background The winding forming is a common resin matrix composite forming mode, in which continuous fibers (or cloth belts and presoaked yarns) immersed in resin glue solution are wound on a core mold according to a certain rule, and then are solidified and demoulded to obtain a product. Dry winding is a future development trend of winding forming process due to its good batch quality stability, faster winding speed, longer pot life of normal temperature resin and better working environment. In dry winding, resin has poor flowability at normal temperature, and resin has poor fiber wettability, so that the layer-by-layer shear strength of the composite layer is low, and the strength of the layer-by-layer shear strength directly influences the fiber strength exertion rate. The dry winding process is one of the key technologies to be overcome, in the prior art, for example, the utility model patent with the application number 201820403056.5 and the utility model patent with the application number 201310411000.6, the heat insulation material is heated by a heating device, and then the heated heat insulation material is wound on the liner, and the temperature of the heated heat insulation material is gradually reduced in the winding process, so that the wettability of the fiber and the interlayer bonding performance of the gas cylinder resin prepared by the winding method are still to be further improved. Therefore, how to design a gas cylinder heating device and a use method thereof, to improve the wettability of resin to fibers and to enhance the shearing strength between composite layers is a technical problem to be solved in the art. Disclosure of Invention The invention aims to overcome the defects and shortcomings in the prior art, and provides a gas cylinder heating device and a use method thereof, which are used for improving the wettability of resin on fibers and enhancing the shearing strength between composite layers. In order to achieve the above purpose, the invention adopts the following technical scheme: The invention provides a gas cylinder heating device, which is axially provided with a rotary heating device capable of driving a liner to rotate and heating a liner cavity along a liner arranged on a portal frame, wherein the rotary heating device comprises a winding tool main body capable of rotating, the tail end of the winding tool main body stretches into and is fixedly connected with a bottle opening of the liner, an air inlet runner and an air outlet runner are arranged in the winding tool main body, and the air inlet runner and the air outlet runner are respectively communicated with the liner cavity; The heating trolley is arranged outside the inner container and comprises a bracket capable of moving along the axial direction of the inner container, the bracket is connected with the portal frame through a sliding groove and a sliding block, the sliding groove is parallel to the axis of the inner container, a heating head is arranged on the bracket, and the movement track of the heating head is consistent with the doffing point of the yarn sheet on the air bottle; preferably, one end of the air inlet channel is provided with an air pipe which can extend into the cavity inside the liner, a cavity communicated with the air inlet channel is arranged inside the air pipe, the length of the air pipe is matched with the length of the cavity of the liner, and the other end of the air inlet channel is communicated with a heat source through a hot air pipeline; preferably, the winding tool main body is further provided with an air inlet communicated with the air inlet channel, bearings are respectively arranged on two axial sides of the air inlet, the inner ring of the bearing is fixedly connected with the winding tool main body, the outer ring of the bearing is fixedly connected with the outer ring, and the outer ring is communicated with the heat source through the hot air pipeline; preferably, a through hole communicated with the air inlet is formed in the outer ring, an internal thread is formed in the side wall of the through hole, and an external thread matched with the internal thread is formed in the hot air pipeline; preferably, one side of each bearing far away from the air inlet is provided with a framework oil seal for sealing a gap between the outer ring and the winding tool main body, and two axial ends of each bearing are provided with snap springs; Preferably, the winding tool main body is respectively provided with a shaft shoulder and a baffle ring, wherein one of the framework oil seals is tightly attached to the shaft shoulder, and the other framework oil seal is tightly attached to the baffle ring; Preferably, the portal frame comprises two opposite upright posts and a