CN-122013463-A - Large-tow fiber sizing and drying device and method

Abstract

The embodiment of the invention provides a large-tow fiber sizing and drying device and method, and relates to the technical field of fiber processing. The invention provides a large-tow fiber sizing and drying device which comprises a sizing tank, a pressing mechanism, a first drying mechanism and a second drying mechanism, wherein the sizing tank is used for containing sizing agent, a plurality of sizing rollers which are positioned on the same plane are arranged in the sizing tank, tows are sequentially propped and wound on the plurality of sizing rollers, the pressing mechanism comprises a rotating roller and a driving piece, the rotating roller is parallel to the plurality of sizing rollers and is used for propping the tows, the driving piece is used for driving the rotating roller to reciprocate so as to be used for tensioning or loosening the tows wound between the plurality of sizing rollers, the first drying mechanism is used for drying the tows which are sized by the sizing tank, and the second drying mechanism is used for drying the tows which are subjected to the first drying mechanism. The invention can solve the problem of difficult internal infiltration in the current large-tow fiber sizing process.

Inventors

• SUN ZHAOPENG
• LIN KANG

Assignees

• 中复神鹰碳纤维连云港有限公司

Dates

Publication Date

20260512

Application Date

20260309

Claims (10)

1. 1. The utility model provides a big tow fiber sizing drying device which characterized in that includes: The sizing tank is used for containing sizing agent, a plurality of sizing rollers positioned on the same plane are arranged in the sizing tank, and tows are sequentially propped against and wound on the plurality of sizing rollers; The pressing mechanism comprises a rotating roller and a driving piece, wherein the rotating roller is parallel to the pulp dipping rollers and is used for propping against the tows, and the driving piece is used for driving the rotating roller to reciprocate so as to tension or relax the tows wound between the pulp dipping rollers; the first drying mechanism is used for drying the tows which are sized by the sizing groove; and the second drying mechanism is used for drying the tows passing through the first drying mechanism.
2. 2. The large tow fiber sizing and drying device according to claim 1, wherein the driving member comprises an air cylinder and a telescopic rod, the air cylinder and the rotating roller are respectively arranged at two ends of the telescopic rod, and the air cylinder is used for driving the telescopic rod to drive the rotating roller to reciprocate so as to be used for propping up or loosening tows.
3. 3. The large tow fiber sizing drying device of claim 1, wherein the first drying mechanism comprises a first drying roller and a second drying roller, and the tow sequentially bypasses the first drying roller and the second drying roller.
4. 4. The large tow fiber sizing drying device of claim 1, wherein the second drying mechanism comprises a drying oven.
5. 5. The large tow fiber sizing and drying device according to claim 4, wherein the drying furnace is internally provided with a plurality of electric heating temperature areas for tows to sequentially pass through, and two sides of the drying furnace are provided with hot air inlets for hot air to enter.
6. 6. The large tow fiber sizing and drying device according to claim 1, further comprising a circulation mechanism, wherein the circulation mechanism is respectively communicated with two ends of the sizing tank, and the circulation mechanism comprises a circulation storage tank, a circulation pump and a filter which are sequentially communicated.
7. 7. The large tow fiber sizing drying apparatus of claim 6, further comprising a cleaning mechanism, wherein one end of the sizing tank is provided with a transition tank, the transition tank is connected with the circulation mechanism, the cleaning mechanism comprises a siphon and a siphon, the siphon is disposed at the bottom of the sizing tank, the siphon is used for moving along a designed path at the bottom of the sizing tank, and one end of the siphon is communicated with the siphon, and the other end of the siphon extends into the transition tank.
8. 8. The large tow fiber sizing drying device of claim 1, further comprising an adjustment mechanism disposed between the hold-down mechanism and the first drying mechanism, the adjustment mechanism for adjusting tow tension.
9. 9. The large-tow fiber sizing and drying device according to claim 8, wherein the adjusting mechanism comprises an adjusting roller, a compression spring, a mounting plate, a bearing seat and a connecting rod, the adjusting roller is arranged on the bearing seat and is used for propping against tows, the connecting rod is arranged between the mounting plate and the bearing seat in a penetrating mode, the compression spring is sleeved on the connecting rod and is propped against the mounting plate and the bearing seat at the same time, and the compression spring is used for enabling the adjusting roller to be always propped against tows.
10. 10. A large tow fiber sizing and drying method, which is applied to the large tow fiber sizing and drying device as claimed in any one of claims 1 to 9, and comprises the following steps: sequentially winding a to-be-processed silk bundle around a guide roller, a plurality of pulp dipping rollers, a rotating roller, a first drying mechanism and a second drying mechanism; the rotating roller is driven to reciprocate by the driving piece so as to periodically adjust the tightness of the tows among the plurality of pulp dipping rollers; Carrying out contact drying on the surface of the silk bundle through a first drying mechanism; And carrying out non-contact drying on the tows through a second drying mechanism.

Description

Large-tow fiber sizing and drying device and method Technical Field The invention relates to the technical field of fiber processing, in particular to a large-tow fiber sizing and drying device and method. Background The sizing process and the drying process after sizing are important links in the fiber production process, the sizing is used for immersing sizing agent emulsion into tows in the fiber, and the sizing agent is dried to form a layer of uniform resin film on the surface of the fiber, so that the fiber is protected, the tensile property, the wear resistance, the hairline stability and the interface property of the composite material of the fiber are improved, and the appearance quality of the fiber product and the application matching property of the composite material are improved. In the production process of the current large-tow fiber, the number of filaments is large, the filament tows are arranged side by side and compact under the action of traction force, channels between the filaments are small, the specific surface area of the whole filament bundle is small, the sizing agent emulsion becomes difficult to uniformly infiltrate into the surface of the internal filament tows, and particularly when the viscosity of the sizing agent is large, the fluidity is not strong, and the sizing agent emulsion is more difficult to infiltrate into the fiber. Disclosure of Invention The invention aims to provide a large-tow fiber sizing and drying device and method and a large-tow fiber sizing and drying method, which can solve the problem that the inner infiltration is difficult when the large-tow fiber is sized at present. Embodiments of the invention may be implemented as follows: in a first aspect, the present invention provides a large tow fiber sizing and drying device, comprising: The sizing tank is used for containing sizing agent, a plurality of sizing rollers positioned on the same plane are arranged in the sizing tank, and tows are sequentially propped against and wound on the plurality of sizing rollers; The pressing mechanism comprises a rotating roller and a driving piece, wherein the rotating roller is parallel to the pulp dipping rollers and is used for propping against the tows, and the driving piece is used for driving the rotating roller to reciprocate so as to tension or relax the tows wound between the pulp dipping rollers; the first drying mechanism is used for drying the tows which are sized by the sizing groove; and the second drying mechanism is used for drying the tows passing through the first drying mechanism. In an alternative embodiment, the driving piece comprises a cylinder and a telescopic rod, the cylinder and the rotating roller are respectively arranged at two ends of the telescopic rod, and the cylinder is used for driving the telescopic rod to drive the rotating roller to reciprocate so as to be used for propping up or loosening the filament bundles. In an alternative embodiment, the first drying mechanism includes a first drying roller and a second drying roller, and the tow sequentially bypasses the first drying roller and the second drying roller. In an alternative embodiment, the second drying mechanism comprises a drying oven. In an alternative embodiment, the drying furnace is internally provided with a plurality of electric heating temperature areas for filament bundles to sequentially pass through, and the drying furnace is internally provided with a temperature detector and a humidity detector. In an optional embodiment, the sizing drying device further comprises a circulation mechanism, wherein the circulation mechanism is respectively communicated with two ends of the sizing tank, and the circulation mechanism comprises a circulation storage tank, a circulation pump and a filter which are sequentially communicated. In an alternative embodiment, the sizing drying device further comprises a cleaning mechanism, one end of the sizing tank is provided with a transition tank, the transition tank is connected with the circulating mechanism, the cleaning mechanism comprises a siphon and a siphon, the siphon is arranged at the bottom of the sizing tank and used for moving along a designed path at the bottom of the sizing tank, and one end of the siphon is communicated with the siphon, and the other end of the siphon extends into the transition tank. In an alternative embodiment, the sizing and drying device further comprises an adjusting mechanism, wherein the adjusting mechanism is arranged between the pressing mechanism and the first drying mechanism, and the adjusting mechanism is used for adjusting the tension of the tows. In an alternative embodiment, the adjusting mechanism comprises an adjusting roller, a compression spring, a mounting plate, a bearing seat and a connecting rod, wherein the adjusting roller is arranged on the bearing seat and is used for propping against the filament bundle, the connecting rod is arranged between the mounting plate and the be