Search

CN-224224482-U - Screw extrusion device for composite fibers

CN224224482UCN 224224482 UCN224224482 UCN 224224482UCN-224224482-U

Abstract

The utility model discloses a screw extrusion device for composite fibers, which comprises a screw extruder body, wherein an extrusion pipeline is arranged in the screw extruder body, a feed hopper is arranged on the extrusion pipeline, the feed hopper is communicated with an inner cavity of the extrusion pipeline, a support frame is arranged in the feed hopper, a disturbance rod is arranged on the support frame, a driving assembly is also arranged on the support frame, and the driving assembly is matched with the disturbance rod, so that the disturbance rod shakes in the feed hopper to prevent blocking, and the screw extrusion device has the beneficial effects that the disturbance rod driven by the driving assembly is arranged in the feed hopper and can shake in a non-rotating manner in a movable hole of the support frame, so that bridging or arching phenomena possibly formed in the feeding process of raw materials are actively destroyed, the blockage of the raw materials in the feed hopper is effectively prevented, the flow uniformity and continuity of the raw materials entering the extrusion pipeline are remarkably improved, and the stable operation of the extrusion process is ensured.

Inventors

  • QIAO ZHI
  • DING JIAN

Assignees

  • 江苏垶博新材料科技有限公司

Dates

Publication Date
20260512
Application Date
20250610

Claims (9)

  1. 1. The screw extrusion device for the composite fiber is characterized by comprising a screw extruder body (10), wherein the screw extruder body (10) is provided with an extrusion pipeline (20); The novel material stirring device is characterized in that a feeding hopper (30) is arranged on the extrusion pipeline (20), the feeding hopper (30) is communicated with an inner cavity of the extrusion pipeline (20), a supporting frame (50) is arranged in the feeding hopper (30), a stirring rod (60) is arranged on the supporting frame (50), a driving assembly (40) is further arranged on the supporting frame (50), the driving assembly (40) is matched with the stirring rod (60), and the stirring rod (60) is enabled to shake in the feeding hopper (30) to prevent blocking.
  2. 2. The screw extrusion device for composite fibers according to claim 1, wherein the supporting frame (50) comprises a supporting plate (51), two groups of supporting rods (53) are symmetrically arranged on the supporting plate (51), and the supporting rods (53) are connected with the inner wall of the feed hopper (30); The supporting plate (51) is provided with a movable hole (52), and the disturbing rod (60) is arranged in the movable hole (52).
  3. 3. The screw extrusion device for composite fibers according to claim 2, wherein the driving assembly (40) comprises two groups of fixing plates (42), the two groups of fixing plates (42) are symmetrically arranged on the supporting plate (51), and the disturbance rod (60) is arranged between the two groups of fixing plates (42); the device is characterized in that a driving rod (41) is rotatably arranged on the fixed plate (42), a driving plate (43) is arranged on the driving rod (41), a movable rod (44) is arranged on the driving plate (43), and the movable rod (44) is matched with the disturbance rod (60).
  4. 4. A composite fiber screw extruding apparatus according to claim 3, wherein said movable rod (44) is provided in a different axis from the driving rod (41), said movable rod (44) is rotatably provided with the disturbing rod (60), and said movable rod (44) rotates with the axis of the driving rod (41) so that the disturbing rod (60) is rocked in the movable hole (52).
  5. 5. The device for extruding composite fiber through a screw rod according to claim 4, wherein two groups of mounting plates (31) are symmetrically arranged on the outer wall of the feed hopper (30), driving servo motors (32) are arranged on the mounting plates (31), and the two groups of driving servo motors (32) are respectively connected with two groups of driving rods (41) in a transmission mode.
  6. 6. The device for extruding composite fiber through a screw rod according to claim 4, wherein a plurality of groups of stirring sleeves (45) are fixedly sleeved on the outer wall of the driving rod (41), a plurality of groups of elastic stirring plates (46) are uniformly arranged on the outer wall of the stirring sleeve (45), and a plurality of groups of elastic stirring plates (46) are arranged in an annular array with the axle center of the stirring sleeve (45).
  7. 7. A composite fiber screw extrusion apparatus as set forth in claim 1, wherein the perturbation rod (60) is provided with a perturbation block (70), and the perturbation block (70) is provided with a first conical surface (71) and a second conical surface (72).
  8. 8. A composite fiber screw extrusion apparatus as set forth in claim 3, wherein said support plate (51) is provided with a support housing (80), and said fixing plate (42) is provided in an inner cavity of the support housing (80); Two groups of support sleeves (81) are arranged on the support shell (80), and the two groups of driving rods (41) are respectively and rotatably arranged on the two groups of support sleeves (81).
  9. 9. The screw extrusion device for composite fibers according to claim 8, wherein the two groups of support rods (53) are provided with first mounting holes (54); the support casing (80) is provided with a connecting plate (83), the connecting plate (83) is provided with second mounting holes (82), two groups of first mounting holes (54) are matched with the two groups of second mounting holes (82) in position and size respectively, and the first mounting holes (54) and the second mounting holes (82) are connected through bolts.

Description

Screw extrusion device for composite fibers Technical Field The utility model relates to a screw extrusion device for composite fibers. Background Composite fibers are highly valued in the fields of textiles, materials and the like because of their excellent properties and wide application prospects. The screw extruder is used as a key device for producing composite fiber, and has the core functions of melting, mixing, homogenizing and extrusion molding solid polymer raw materials. In the production of composite fibers, it is often necessary to thoroughly mix and extrude a plurality of different components (e.g., polymer matrix, additives, reinforcing fibers, etc.). However, the screw extrusion device in the prior art has significant problems in the feeding process, before various raw materials enter the extrusion pipeline, bridging or arching phenomenon is very easy to occur in the feed hopper, because powdery or fibrous materials form a stable arch structure in the conical region of the feed hopper due to friction and cohesive force, the smooth falling of the materials is hindered, the blocking problem causes the raw materials to enter the extrusion pipeline continuously and uniformly, the production efficiency is reduced, the downtime is increased due to frequent warehouse cleaning operation, and more serious, the interruption and the non-uniformity of the raw material supply directly affect the stability of the melt extrusion process, and the component dispersibility of the final composite fiber product is poor, the microstructure is non-uniform and the mechanical property fluctuation is large. Disclosure of utility model The utility model aims to provide a screw extrusion device for composite fibers, which aims to solve the problems in the prior art. In order to achieve the above purpose, the present utility model provides the following technical solutions: the screw extrusion device for the composite fiber comprises a screw extruder body, wherein the screw extruder body is provided with an extrusion pipeline; The feeding hopper is arranged on the extrusion pipeline and communicated with the inner cavity of the extrusion pipeline, a supporting frame is arranged in the feeding hopper, a disturbance rod is arranged on the supporting frame, a driving assembly is further arranged on the supporting frame and matched with the disturbance rod, and the disturbance rod is made to shake in the feeding hopper to prevent blocking. As an improvement of the technical scheme, the supporting frame comprises a supporting plate, two groups of supporting rods are symmetrically arranged on the supporting plate, and the supporting rods are connected with the inner wall of the feed hopper; The movable hole is formed in the supporting plate, and the disturbing rod is arranged in the movable hole. As an improvement of the technical scheme, the driving assembly comprises two groups of fixing plates, the two groups of fixing plates are symmetrically arranged on the supporting plate, and the disturbance rod is arranged between the two groups of fixing plates; The driving plate is arranged on the driving plate, the movable rod is arranged on the driving plate, and the movable rod is matched with the disturbance rod. As an improvement of the technical scheme, the movable rod and the driving rod are not coaxially arranged, the movable rod and the disturbance rod are rotatably arranged, and the movable rod rotates with the axis of the driving rod so that the disturbance rod shakes in the movable hole. As the improvement of the technical scheme, two groups of mounting plates are symmetrically arranged on the outer wall of the feed hopper, driving servo motors are arranged on the mounting plates, and the two groups of driving servo motors are respectively connected with the two groups of driving rods in a transmission manner. As an improvement of the technical scheme, a plurality of groups of stirring sleeves are fixedly sleeved on the outer wall of the driving rod, a plurality of groups of elastic stirring plates are uniformly arranged on the outer wall of the stirring sleeve, and a plurality of groups of elastic stirring plates are arranged in an annular array with the axis of the stirring sleeve. As an improvement of the technical scheme, the disturbance rod is provided with a disturbance block, and the disturbance block is provided with a first conical surface and a second conical surface. As an improvement of the technical scheme, the supporting plate is provided with a supporting shell, and the fixing plate is arranged in an inner cavity of the supporting shell; The support shell is provided with two groups of support sleeves, and the two groups of drive rods are respectively and rotatably arranged on the two groups of support sleeves. As an improvement of the technical scheme, the two groups of support rods are provided with first mounting holes; The support shell is provided with a connecting plate, the connecting plate is pro