CN-121973477-A - Composite glue channel supplied by infiltration mold cavity and fiber infiltration method

CN121973477ACN 121973477 ACN121973477 ACN 121973477ACN-121973477-A

Abstract

The invention discloses a composite glue channel supplied by a infiltration mold cavity and a fiber infiltration method, and belongs to the technical field of plastic alloy materials. The compound glue channel comprises two vertical main channels communicated with the glue inlet, a plurality of horizontal branch channels are vertically and uniformly arranged, two ends of the horizontal branch channels are communicated with the vertical main channels on the corresponding sides, a row of yarn penetrating holes communicated with the horizontal branch channels are formed above each horizontal branch channel, a second adjusting bolt is arranged in an inlet pipeline of each horizontal branch channel, and a first adjusting bolt is arranged in an inlet pipeline of each yarn penetrating hole. The invention adopts multi-layer arrangement, shortens the transverse dimension of the infiltration mold, improves the bundling degree, shortens the path and the supply time of glue channels, reduces the glue consumption, improves the operation efficiency and the factory building utilization rate, adopts a variable-diameter design, and is provided with adjusting bolts in the vertical main runner and the runners of each yarn through hole to control the glue feeding amount of each yarn through hole and ensure the infiltration uniformity.

Inventors

ZHANG FENGMING
ZHAO GUOMENG
LOU YONGJUN
ZHANG ZHONGYU

Assignees

徐州鹏展新材料科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260408

Claims (10)

1. A infiltration mold cavity supply composite glue path, comprising: a glue inlet is formed in one side of the glue channel main body; The two vertical main flow channels are respectively arranged at two opposite sides of the rubber channel main body and are respectively communicated with the rubber inlet; The two ends of the horizontal branch flow channels are respectively communicated with the vertical main flow channels on two sides; a row of yarn penetrating holes which are horizontally and uniformly distributed and penetrate through the rubber channel main body front and back are formed above each horizontal branch flow channel, and the middle part of each yarn penetrating hole is communicated with the horizontal branch flow channel below; a second adjusting bolt for adjusting the flow of the horizontal branch flow passage is arranged in a second pipeline which is communicated with the horizontal branch flow passage and the vertical main flow passage; and a first adjusting bolt for adjusting the flow of the yarn through hole is arranged in a third pipeline which is communicated with the yarn through hole and the horizontal branch flow passage.
2. The infiltration mold cavity supply composite glue channel according to claim 1, wherein the glue channel main body comprises a front base body, wherein a sinking groove is formed in the rear side surface of the front base body, and a rear cover plate attached to the bottom surface of the sinking groove is embedded in the sinking groove; the horizontal branch flow passage is formed by butt joint of a semicircular groove arranged on the bottom surface of the sinking groove and the front side surface of the rear cover plate.
3. A infiltration mold cavity supply composite glue path as set forth in claim 2 wherein the third line is perpendicular to the through-hole and the horizontal branch channel; The third pipeline is also formed by butt joint of a semicircular groove arranged on the bottom surface of the sinking groove and the front side surface of the rear cover plate.
4. A infiltration mold cavity supply composite glue path according to any one of claims 1 to 3, wherein the cross section of the yarn penetrating hole is a horizontally-oriented long groove, and the middle of the bottom edge of the long groove is communicated with the third pipeline.
5. The infiltration mold cavity supply composite glue channel of claim 4, wherein a first threaded hole communicated with a third pipeline at the lower side of the corresponding yarn through hole is formed below each yarn through hole at the front side surface of the glue channel main body, the first adjusting bolt is arranged in the first threaded hole, and the inner end of the first adjusting bolt can extend into the third pipeline.
6. The infiltration mold cavity supply composite glue channel according to claim 2, wherein the two ends of the horizontal branch channel on the front substrate are provided with the second pipelines penetrating to the corresponding vertical main channels from front to back; The two opposite sides of the front base body are respectively provided with a plurality of second threaded holes which are correspondingly communicated with the second pipeline, the second adjusting bolts are arranged in the second threaded holes, and the inner ends of the second adjusting bolts can extend into the second pipeline.
7. The infiltration mold cavity supply composite glue channel of claim 2, wherein the glue inlet is arranged in the middle of the front side surface of the front base body, and a first pipeline which is communicated with the glue inlet and the vertical main channels at two sides is arranged in the front base body; the vertical main flow channel is a conical hole, the diameter of the vertical main flow channel gradually becomes smaller from bottom to top, and screw plugs are connected to the upper end and the lower end of the vertical main flow channel in a threaded mode.
8. A method of fiber infiltration using an infiltration mold cavity as claimed in any one of claims 1 to 7 for supplying composite glue tracks, comprising the steps of: a fiber is arranged in each yarn through hole from front to back, and the fiber is stuck to the bottom surface of the yarn through hole to be in a flat unfolding state; filling glue solution from a glue inlet, conveying the glue solution to the bottom of the yarn through hole and immersing the fiber, and flowing the glue solution from the rear end of the yarn through hole into an infiltration mold cavity; pulling the fiber from front to back, wherein the fiber passes through the yarn penetrating hole to finish pre-infiltration, and the fiber passes through the infiltration mold cavity to finish infiltration; in the fiber infiltration process, the total supply amount of the glue solution is regulated by observing the height of the glue solution in the vertical main runner; The total glue feeding amount of the yarn through holes corresponding to the whole layer is adjusted through a second adjusting bolt; and adjusting the glue feeding amount corresponding to the single yarn through hole through the first adjusting bolt.
9. The method of claim 8, wherein the composite glue path is maintained at a temperature of 260 ° or higher during the fiber infiltration process; and after the fiber infiltration process is finished, discharging the glue solution in the composite glue channel and filling the polypropylene cleaning glue channel.
10. The method of claim 8, wherein the number of horizontal branch channels is eight; eight yarn through holes are arranged on each layer, the roughness Ra of the inner surface of each yarn through hole is less than or equal to 0.8 mu m, the width is 12-14 mm, the spacing between the yarn through holes on the same layer is 2-20 mm, and the spacing between the yarn through holes on the upper layer and the lower layer is 24-26mm.

Description

Composite glue channel supplied by infiltration mold cavity and fiber infiltration method Technical Field The invention relates to the technical field of plastic alloy materials, in particular to a composite glue channel and a fiber infiltration method for feeding glue solution to an infiltration die cavity uniformly in thermoplastic pultrusion operation so as to support fiber infiltration. Background In thermoplastic pultrusion operations, the effects of the glue channels include: the fiber infiltration degree-the fiber infiltration requirement can be met only by sufficient glue quantity of the glue channel; Equality-the amount of glue fed into the mould through the pipeline is uniform; Glue supply time-the longer the glue line the greater the resistance, the longer the nylon supply time. The glue supply amount of the glue channel determines the fiber infiltration degree under different linear speeds, and the performance of subsequent products is directly affected. The existing infiltration device is generally of a horizontally arranged structure, space utilization rate is low, and when glue is supplied, the glue amount of each position is influenced by too far horizontal distance, infiltration uniformity cannot be guaranteed, so that more time and fibers are required to be wasted when the infiltration is started. Disclosure of Invention The invention aims to provide a composite glue channel for feeding a glue into a infiltration mold cavity and a fiber infiltration method, wherein the composite glue channel mainly enables fibers to be uniformly distributed in a small space through penetrating holes in layered arrangement, so that the transverse size of the infiltration mold is reduced, the channel space for feeding the glue is reduced, the feeding rate is improved, and the production cost is reduced. The invention adopts the following technical scheme that the composite glue channel is supplied by a infiltration mold cavity, and comprises the following steps: a glue inlet is formed in one side of the glue channel main body; The two vertical main flow channels are respectively arranged at two opposite sides of the rubber channel main body and are respectively communicated with the rubber inlet; The two ends of the horizontal branch flow channels are respectively communicated with the vertical main flow channels on two sides; a row of yarn penetrating holes which are horizontally and uniformly distributed and penetrate through the rubber channel main body front and back are formed above each horizontal branch flow channel, and the middle part of each yarn penetrating hole is communicated with the horizontal branch flow channel below; a second adjusting bolt for adjusting the flow of the horizontal branch flow passage is arranged in a second pipeline which is communicated with the horizontal branch flow passage and the vertical main flow passage; and a first adjusting bolt for adjusting the flow of the yarn through hole is arranged in a third pipeline which is communicated with the yarn through hole and the horizontal branch flow passage. The adhesive channel main body comprises a front base body, wherein a sinking groove is formed in the rear side surface of the front base body, and a rear cover plate attached to the bottom surface of the sinking groove is embedded in the sinking groove; the horizontal branch flow passage is formed by butt joint of a semicircular groove arranged on the bottom surface of the sinking groove and the front side surface of the rear cover plate. Preferably, the third pipeline is perpendicular to the yarn through hole and the horizontal branch flow passage; The third pipeline is also formed by butt joint of a semicircular groove arranged on the bottom surface of the sinking groove and the front side surface of the rear cover plate. Preferably, the cross section of the yarn penetrating hole is a horizontal long groove, and the middle of the bottom of the long groove is communicated with the third pipeline. Preferably, a first threaded hole communicated with a third pipeline at the lower side of the corresponding yarn through hole is formed below each yarn through hole in the front side surface of the rubber channel main body, the first adjusting bolt is arranged in the first threaded hole, and the inner end of the first adjusting bolt can extend into the third pipeline. Preferably, the two ends of the horizontal branch flow channel on the front basal body are provided with the second pipelines which penetrate through the corresponding vertical main flow channel from front to back; The two opposite sides of the front base body are respectively provided with a plurality of second threaded holes which are correspondingly communicated with the second pipeline, the second adjusting bolts are arranged in the second threaded holes, and the inner ends of the second adjusting bolts can extend into the second pipeline. Preferably, the glue inlet is arranged at the middle lower position of th