CN-224199531-U - High-capacity runner for melt spinning fiber production line

CN224199531UCN 224199531 UCN224199531 UCN 224199531UCN-224199531-U

Abstract

The utility model discloses a high-capacity runner for a melt spinning fiber production line, which comprises a feeding plate, wherein a horizontal runner and a vertical runner are arranged on the feeding plate, the upper part of the vertical runner is sealed by a large plug, the lower part of the large plug is provided with a first guide cambered surface, the lower part of the vertical runner is connected with a sub-runner, an included angle between the sub-runner and the axis of the feeding plate is 60-80 degrees, the sub-runner comprises an opening arranged on the side wall of the feeding plate, the openings are sealed by small plugs, an annular distribution groove is arranged on the lower end face of the feeding plate, the distribution groove comprises an upper groove with a triangular cross section and a lower groove with a square cross section, the upper part of the upper groove is provided with a plurality of sub-runners which are communicated with the sub-runner, the inner diameters of the sub-runner and the sub-runner are the same, and the included angle between the sub-runner and the sub-runner is larger than 110 degrees.

Inventors

LIU ZHIQUAN
LIU CHONG
LU PEIXING
LI ZHIWEI
LI FANGYUAN

Assignees

苏州软石智能装备有限公司

Dates

Publication Date: 20260505
Application Date: 20250424

Claims (10)

1. The high-capacity runner for the melt spinning fiber production line comprises a cylindrical feeding plate and is characterized in that a feeding port is formed in one side of the feeding plate, a horizontal runner which horizontally extends to the center of the feeding plate is formed from the feeding port, and a vertical runner which extends inwards along the axis of the feeding plate and is communicated with the horizontal runner is formed in the upper end face of the feeding plate; the upper part of the vertical runner is sealed by a large plug, the lower part of the large plug is provided with a first guide cambered surface tangent to both the horizontal runner and the vertical runner, the lower part of the vertical runner is connected with a plurality of inclined downward sub-runners, the included angle between the sub-runners and the axis of the feeding plate is 60-80 degrees, the sub-runners comprise openings arranged on the side wall of the feeding plate, the openings are sealed by small plugs, the lower end surface of the feeding plate is provided with annular distribution grooves, each distribution groove comprises an upper groove with a triangular cross section and a lower groove with a square cross section, the upper part of each upper groove is provided with a plurality of sub-runners communicated with the sub-runners, the inner diameters of the sub-runners and the sub-runners are the same, the front parts of the small plug are all level with the inner walls of the sub-runners and are provided with a second guide cambered surface tangent to both the sub-runners, the included angle between the sub-runners is larger than 110 degrees, the lower end surface of the feeding plate is provided with a distribution plate with a circular distribution plate, the distribution plate is provided with a plurality of distribution plate parts corresponding to the circular distribution plate holes are arranged at the lower distribution plate, the spinneret plate is provided with a plurality of penetrating spinneret holes at positions corresponding to the lower grooves, and a pressing ring for fixing the distribution plate and the spinneret plate is arranged at the lower part of the spinneret plate.
2. The large-capacity runner for a melt-spun fiber production line according to claim 1, wherein the lower part of the sub-runner is arranged obliquely outwards, and an included angle between the sub-runner and the axis of the feeding plate is 5-30 °.
3. The high-capacity runner for a melt-spun fiber production line according to claim 1, wherein an included angle between the split runner and an axis of the feed plate is 70 degrees, a maximum flow ratio of the horizontal runner to all sub-runners is 0.4-0.45, and an included angle between the sub-runners and the split runner is 130 degrees.
4. The high-capacity runner for a melt-spun fiber production line according to claim 1, wherein the distribution grooves are provided with a plurality of circular arc-shaped upper grooves corresponding to the sub-runners, partition plates are arranged between adjacent upper grooves to separate the upper grooves, and the sub-runners are all communicated with the middle part of one upper groove.
5. The large-capacity runner for the melt-spun fiber production line according to claim 1, wherein a stepped hole is formed in the opening, a countersunk screw is arranged in the opening and is in threaded connection with the small plug, and the countersunk screw is fixedly arranged on the feeding plate through welding.
6. The high-capacity runner for a melt-spun fiber production line according to claim 1, wherein the spinneret plate is provided with an annular flow equalizing groove at a position corresponding to the lower groove, the cross section of the flow equalizing groove is trapezoid, the flow equalizing groove comprises a wedge-shaped area with a triangular cross section and a square area with a rectangular cross section, the wedge-shaped area is positioned on the inner side, the square area is positioned on the outer side, and the spinneret holes are all arranged in the square area.
7. The high-capacity runner for the melt spinning fiber production line according to claim 1, wherein a circular sieve plate is arranged at the upper part of the lower groove, sieve holes are formed in the sieve plate, a circular filter screen assembly is arranged at the upper part of the lower groove, the filter screen assembly comprises a plurality of mutually overlapped circular filter screens and a circular jacket arranged at the outer edge of the filter screens to fix all the filter screens, the cross section of the jacket is C-shaped, and sea sand for filtering is arranged in the lower groove.
8. The high-capacity flow channel for a melt-spun fiber production line of claim 7, wherein the filter screen assembly comprises a first filter screen, a second filter screen, a third filter screen and a fourth filter screen from top to bottom in sequence, and meshes of the first filter screen, the second filter screen, the third filter screen and the fourth filter screen are respectively 350 meshes, 200 meshes, 50 meshes and 20 meshes.
9. The high capacity flow channel for a melt spinning fiber production line according to claim 1, wherein the distribution plate and the spinneret plate are fixed to the feed plate at the middle thereof by fastening screws.
10. The high-capacity runner for the melt-spun fiber production line according to claim 1, wherein the distribution holes have the same aperture, adjacent distribution holes have the same interval, a limit groove is formed in the lower end face of the feeding plate, and a protruding limit step is formed in the distribution plate corresponding to the limit groove.

Description

High-capacity runner for melt spinning fiber production line Technical Field The utility model relates to the technical field of spinning, in particular to a large-capacity runner for a melt spinning fiber production line. Background When the melt spinning fiber is produced, molten liquid flows through the flow channel, is ejected from the spinneret orifices at a high speed, and is cooled to form the fiber. The flow rate must be increased to increase the yield, the external pipeline is correspondingly adjusted due to the simple increase of the inner diameter of the flow channel, the transformation difficulty is high, the angle of each turning in the flow channel is large through the analysis of the fluid in the flow channel, no streamline transition exists, a dead zone is easily formed, the materials are accumulated and rotated in the dead zone to form vortex, the flow of the liquid in the flow channel is blocked, the flow rate is reduced, and the yield is reduced. Disclosure of utility model The utility model aims to provide a large-capacity runner for a melt spinning fiber production line, which solves or partially solves the technical problems. In order to achieve the above purpose, the present utility model provides the following technical solutions: A high-capacity runner for a melt spinning fiber production line comprises a cylindrical feeding plate, wherein a feeding port is formed in one side of the feeding plate, a horizontal runner which extends horizontally to the center of the feeding plate is formed in the feeding port, an annular distribution groove is formed in the lower end face of the feeding plate, the vertical runner extends inwards along the axis of the feeding plate and is communicated with the horizontal runner, the upper portion of the vertical runner is sealed through a large plug, a first guide cambered surface which is tangential to both the horizontal runner and the vertical runner is formed in the lower portion of the large plug, a plurality of inclined downward sub-runners are connected to the lower portion of the vertical runner, an included angle between each sub-runner and the axis of the feeding plate is 60-80 degrees, the sub-runner comprises an opening which is formed in the side wall of the feeding plate and is closed through the small plug, the distribution groove is formed in the lower end face of the feeding plate and comprises a square groove with the cross section of the triangular cross section, the upper portion of the vertical runner is sealed through a large plug, a plurality of first guide cambered surfaces which are tangential to both the horizontal runner and the vertical runner are arranged at the lower portion of the large plug, a plurality of inclined downward sub-runners are communicated with the distribution plate is arranged at the same position corresponding to the distribution plate, a plurality of the distribution plate is arranged between the distribution plate and the circular distribution plate is provided with a plurality of the circular distribution plate and the circular distribution plate, and the distribution plate is provided with a plurality of holes which are arranged at the same position corresponding position. Preferably, the lower part of the sub-runner is arranged obliquely outwards, and an included angle between the sub-runner and the axis of the feeding plate is 5-30 degrees. Preferably, an included angle between the flow dividing channel and the axis of the feeding plate is 70 degrees, the maximum flow ratio of the horizontal flow channel to all the sub-flow channels is 0.4-0.45, and an included angle between the sub-flow channels and the flow dividing channel is 130 degrees. Preferably, the distribution groove is provided with a plurality of circular arc-shaped upper grooves corresponding to the sub-runners, a partition board is arranged between every two adjacent upper grooves to separate the upper grooves, and the sub-runners are all communicated with the middle part of one upper groove. Preferably, the front parts of the small plugs are flush with the inner wall of the sub-runner, and the small plugs are provided with a second guide cambered surface tangential to the sub-runner and the sub-runner. Preferably, the opening is provided with a step hole, a countersunk screw is arranged in the opening and is in threaded connection with the small plug, and the countersunk screw is fixedly arranged on the feeding plate through welding. Preferably, the spinneret plate is provided with annular flow equalizing grooves corresponding to the positions of the lower grooves, the cross sections of the flow equalizing grooves are trapezoid, the flow equalizing grooves comprise wedge-shaped areas which are located on the inner side and have triangular cross sections and square areas which are located on the outer side and have rectangular cross sections, and the spinneret orifices are all arranged in the square areas. Preferably, the upper part of