CN-116238179-B - Pipe molding production line

CN116238179BCN 116238179 BCN116238179 BCN 116238179BCN-116238179-B

Abstract

The application discloses a pipe molding production line which is used for manufacturing hollow pipe products, and sequentially comprises a yarn distribution device for placing yarns, a preforming device for layering the yarns and a molding device for solidifying the yarns soaked in glue solution into the products along the molding advancing direction of the products, wherein the preforming device comprises a frame, a glue dipping device for soaking the yarns and a core mold fixing device for fixing a core mold, wherein the glue dipping device is arranged on the frame and comprises a glue dipping machine frame, a yarn collecting plate, a glue dipping groove and a plurality of yarn dividing plates, the yarn is sequentially led out of the yarn distribution device, penetrates through the yarn collecting plate, is led into the glue dipping groove, is divided into a plurality of yarn dividing plates, is gradually close to the core mold from the outer side of the core mold and is uniformly coated on the periphery of the core mold to form an axial layer, and enters the molding device for solidification.

Inventors

ZHOU ZHENGWEI
GUO QIANG
LIU CHAO
ZHANG LINJUN
SUN YINJIAN

Assignees

江苏神马电力股份有限公司

Dates

Publication Date: 20260512
Application Date: 20221221

Claims (11)

1. The pipe molding production line is used for manufacturing hollow pipe products and is characterized by sequentially comprising a yarn distribution device for placing yarns, a preforming device for layering the yarns and a molding device for solidifying the yarns soaked in glue solution into the products along the molding advancing direction of the products; the preforming device comprises a frame, a dipping device for dipping the yarns and a core die fixing device for fixing a core die, wherein the dipping device and the core die fixing device are sequentially arranged along the length direction of the frame; the dipping device comprises a dipping machine frame, a yarn collecting plate, a dipping groove and a plurality of yarn dividing plates, wherein the yarn collecting plate, the dipping groove and the yarn dividing plates are sequentially arranged on the dipping machine frame along the length direction of the machine frame; The yarns are sequentially led out from the yarn distribution device, pass through the yarn collecting plate, led into the gum dipping groove, respectively pass through a plurality of yarn dividing plates in a plurality of parts, bypass the core die fixing device, gradually approach the core die from the outer side of the core die, uniformly cover the periphery of the core die to form an axial layer, and enter the forming device for solidification; The dipping machine comprises a dipping tank, a yarn, a plurality of dipping rollers, a yarn and a plurality of guide rollers, wherein the dipping tank is a V-shaped tank, a dipping frame is arranged on the dipping tank, the dipping frame is attached to the inner bottom surface of the dipping tank and keeps a certain gap, the dipping frame comprises the plurality of dipping rollers, the plurality of dipping rollers are arranged at the bottom of the dipping tank along the length direction of the frame to form a V-shaped structure, and the yarn sequentially penetrates through the gaps between the plurality of dipping rollers and the inner bottom surface of the dipping tank, so that the yarn is guided into the dipping tank; The two yarn dividing plates are arranged in the vertical direction, the dipping machine frame is close to the end part of the core die fixing device, a certain included angle is formed between the two yarn dividing plates, and the opening direction of the included angle faces the yarn collecting plate.
2. The pipe molding production line according to claim 1, wherein the preforming device further comprises a plurality of yarn penetrating plates, the yarn penetrating plates are vertically arranged on the frame along the length direction of the frame and are distributed in parallel, a through hole is formed in the center of each yarn penetrating plate and used for sleeving the core mold, the diameter of each through hole is larger than that of the core mold, and yarns uniformly penetrate through gaps between the yarn penetrating plates and the core mold, so that the yarns are uniformly coated on the periphery of the core mold in a circumferential direction.
3. The pipe molding line of claim 1, wherein the preforming device further comprises a plurality of yarn passing plates, the yarn passing plates are vertically arranged on the frame and are respectively positioned at the outer sides of the core mold fixing device, and the yarns are divided into a plurality of parts to sequentially pass through the yarn passing plates so as to bypass the core mold fixing device.
4. The pipe molding production line according to claim 1, wherein the preforming device further comprises a winding device, the dipping device, the core mold fixing device and the winding device are sequentially arranged along the length direction of the frame, the winding device comprises a winding motor, a winding disc and a winding claw which are sequentially sleeved on the periphery of the core mold, the winding disc is used for accommodating winding yarns, a plurality of first yarn guide holes are formed in the winding disc, at least one third yarn guide hole is formed in the winding claw, and the winding motor drives the winding device to rotate so that the winding yarns are wound on the periphery of the axial layer to form a winding layer.
5. The tube forming line as claimed in claim 4, wherein the winding yarn is sequentially led out from the first yarn guide hole, threaded through the third yarn guide hole, and wound around the outer circumference of the axial layer.
6. The tubing forming line of claim 5, wherein the winding device further comprises a yarn guide assembly sleeved on the outer periphery of the core die, the yarn guide assembly is arranged between the winding disc and the winding claw, the yarn guide assembly comprises at least one yarn guide plate, and a plurality of second yarn guide holes are formed in the yarn guide plate.
7. The tube forming line as claimed in claim 6, wherein the winding yarn is sequentially led out from the first yarn guide hole, threaded through the second yarn guide hole, threaded through the third yarn guide hole, and wound around the outer circumference of the axial layer.
8. The pipe molding production line according to claim 7, wherein the winding claw comprises a winding frame, a plurality of winding rods and a plurality of winding pieces, the winding frame is sleeved on the periphery of the core mold, the plurality of winding rods are uniformly arranged on the outer side of the winding frame along the radial direction of the winding frame, the winding pieces are uniformly arranged on the outer side of the winding frame along the axial direction of the winding frame, the winding rods are provided with the third yarn guide holes, and the winding pieces are provided with at least one fourth yarn guide hole.
9. The tube forming line as claimed in claim 8, wherein the winding yarn is sequentially led out from the first yarn guide hole, threaded through the second yarn guide hole, threaded through the third yarn guide hole, threaded through the fourth yarn guide hole, and wound around the outer circumference of the axial layer.
10. The pipe molding production line according to claim 9, wherein a winding through hole is formed in the center of the winding disc, a plurality of wire running pieces are arranged on one side, close to the yarn guiding assembly, of the winding disc, the wire running pieces are evenly arranged on the inner side of the winding disc in a circumferential direction around the winding through hole, and each wire running piece comprises a wire running rack and a plurality of wire running rods.
11. The tubing forming line according to claim 10, wherein the winding yarn is led out from the first yarn guide hole, threaded through the wire running member, threaded through the second yarn guide hole, threaded through the third yarn guide hole, threaded through the fourth yarn guide hole, and wound around the outer periphery of the axial layer.

Description

Pipe molding production line Technical Field The application relates to the technical field of composite material forming, in particular to a pipe forming production line. Background At present, composite material pipes are generally produced through a pultrusion and pulling winding process, the conventional gumming device of the pultrusion and pulling winding equipment is simple in structure, yarns required for production are directly and completely piled up in a gumming groove to be impregnated with resin glue solution, the problems of insufficient yarn gumming and knotting of yarns are easily generated, and meanwhile, the yarns cannot be uniformly coated on the periphery of a core mold after gumming, so that the quality of products is affected. In addition, when the stretch winding process is adopted, the composite material winding and forming equipment generally adopts a structure that a rotary disc is arranged on an integral frame, and fibers soaked with resin glue solution are wound on a core die through the rotary disc, so that the preforming of the fibers is realized. However, the yarn threading path and method of the winding forming equipment in the prior art are simple, the winding tension of the yarn is difficult to ensure, loose displacement occurs when the yarn is wound on the surface of the core mold, and the product quality is affected. Disclosure of Invention Aiming at the defects of the prior art, one of the purposes of the application is to provide a pipe molding production line, which can ensure that yarns are uniformly coated on the periphery of a core mold after being fully soaked in resin glue solution, so as to ensure the quality of products. The technical scheme includes that the pipe molding production line is used for manufacturing hollow pipe products, the pipe molding production line sequentially comprises a yarn distribution device for placing yarns, a preforming device for layering the yarns and a molding device for solidifying the yarns soaked in glue solution into products along the molding advancing direction of the products, the preforming device comprises a frame, a glue dipping device for soaking the yarns and a core mold fixing device for fixing a core mold, the glue dipping device is arranged on the frame, the glue dipping device comprises a glue dipping machine frame, a yarn collecting plate, a glue dipping groove and a plurality of yarn dividing plates, the yarns are sequentially led out from the yarn distribution device, are led into the glue dipping groove, are divided into a plurality of yarn dividing plates, are respectively penetrated out, are gradually close to the core mold from the outer side of the core mold by the core mold fixing device, are uniformly coated on the periphery of the core mold to form an axial layer, and are led into the molding device to be solidified. Wherein, the dipping tank is a V-shaped tank, a dipping frame is arranged on the dipping tank, and the dipping frame is attached to the inner bottom surface of the dipping tank and keeps a certain gap. The dipping frame comprises a plurality of dipping rollers, and the plurality of dipping rollers are arranged at the bottom of the dipping tank along the length direction of the frame to form a V-shaped structure. The yarns sequentially penetrate through gaps between the plurality of gum dipping rollers and the inner bottom surface of the gum dipping tank, so that the yarns are led into the gum dipping tank. Wherein, divide the yarn board to be two, two divide the yarn board to set up in the tip that the dipping machine frame is close to mandrel fixing device along vertical direction, are the relative setting of certain contained angle between two divides the yarn board, and the opening direction orientation yarn collecting plate of contained angle. The preforming device further comprises a plurality of yarn penetrating plates, the yarn penetrating plates are vertically arranged on the rack in the length direction of the rack and are distributed in parallel, through holes are formed in the centers of the yarn penetrating plates and used for sleeving the core mold, the diameter of each through hole is larger than that of the core mold, yarns uniformly penetrate through gaps between the yarn penetrating plates and the core mold, and the yarn is uniformly coated on the periphery of the core mold in a ring direction. The preforming device further comprises a plurality of yarn passing plates, the yarn passing plates are vertically arranged on the frame and are respectively located at the outer sides of the core die fixing device, and the yarns are divided into a plurality of parts to sequentially penetrate through the yarn passing plates so as to bypass the core die fixing device. Wherein, preforming device still includes winding arrangement, gum dipping device, mandrel fixing device, winding arrangement set gradually along the length direction of frame, and winding arrangement is including the windi