CN-224210490-U - Extruder loading attachment for pipeline production

CN224210490UCN 224210490 UCN224210490 UCN 224210490UCN-224210490-U

Abstract

The utility model relates to an extruder feeding device for pipeline production, which comprises a vertical cylinder, a screen plate, cross bars and upright rods, wherein the top of the vertical cylinder is communicated with a feeding pipe, the screen plate is rotationally connected in the lower part of the vertical cylinder, the middle part of the screen plate is connected with a first rotary pipe, a spiral groove is formed in the inner wall of the first rotary pipe, a second rotary pipe is arranged on the upper side of the first rotary pipe, the second rotary pipe is rotationally connected with the peripheral wall of the vertical cylinder, spiral grooves with opposite rotation directions to the first spiral groove are formed in the inner wall of the second rotary pipe, cross bars are annularly arranged on the outer wall of the second rotary pipe, the lower end of the peripheral wall of each cross bar is connected with a plurality of upright rods, driving rods are jointly penetrated in the first rotary pipe and the second rotary pipe, driving blocks extending into the first spiral grooves are arranged on the lower parts of the peripheral walls of the driving rods, and driving blocks extending into the second spiral grooves are arranged on the upper parts of the peripheral walls. The utility model solves the problem that the feeding device of the extruder for producing pipelines is difficult to crush larger blocky raw materials.

Inventors

ZHANG HAIJUN
ZHANG WEIJIA
WANG GUOYING
ZHANG XINHUA
LI WENJIN
ZHANG YANYAN
FENG SHAOPENG
HU YUANYUAN

Assignees

河南新天基管业科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250509

Claims (6)

1. The feeding device of the extruder for pipeline production is characterized by comprising a vertical cylinder (1), a screen plate (2), a cross rod (3) and upright rods (4), wherein a feeding pipe (5) is communicated with the top of the vertical cylinder (1), the screen plate (2) is rotationally connected in the lower part of the vertical cylinder (1), the middle part of the screen plate (2) is connected with a first rotating pipe (6), a spiral groove (7) is formed in the inner wall of the first rotating pipe, a second rotating pipe (8) is arranged on the upper side of the first rotating pipe, the second rotating pipe (8) is rotationally connected with the peripheral wall of the vertical cylinder (1), a second spiral groove (9) which is opposite to the first spiral groove (7) in rotation direction is formed in the inner wall of the second rotating pipe (8), a cross rod (3) is annularly arranged on the outer wall of the second rotating pipe (8), the lower end of each cross rod (3) is connected with a plurality of upright rods (4), the lower end of each upright rod (4) is in sliding contact with the top surface of the first rotating pipe (2), a first rotating pipe (6) and a second rotating pipe (8) are jointly arranged in the inner wall of the first rotating pipe, a first rotating pipe (10) and a second rotating pipe (8) penetrates through the first rotating pipe, a first driving rod (10) and a second driving rod (10) stretches into the first driving rod (10) and a second driving rod (10) and stretches into the first driving rod.
2. The extruder feeding device for pipeline production according to claim 1, wherein limiting rings (14) are arranged on the upper side and the lower side of the circumferential surface of the sieve plate (2), outer rings of the two limiting rings (14) are fixedly connected with the inner wall of the vertical cylinder (1), and opposite surfaces of the two limiting rings (14) are respectively contacted with the upper edge and the lower edge of the sieve plate (2).
3. The extruder feeding device for pipeline production according to claim 1, wherein a plurality of transverse rods (3) are arranged in the vertical cylinders (1), two ends of each transverse rod (15) are fixedly connected with the peripheral wall of the vertical cylinder (1), the upper ends of the outer walls of the two rotary pipes (8) are rotationally connected with the transverse rods (15), and the top surfaces of the transverse rods (15) are arc-shaped surfaces with upward protrusions.
4. The feeding device of the extruder for pipeline production according to claim 1 is characterized in that a space is reserved between the upper end of the first rotary pipe (6) and the lower end of the second rotary pipe (8), the upper end and the lower end of the first spiral groove (7) penetrate through the upper end and the lower end of the first rotary pipe (6) respectively, the upper end of the first spiral groove (7) is blocked by a blocking block (17), the upper end and the lower end of the second spiral groove (9) penetrate through the upper end and the lower end of the second rotary pipe (8) respectively, and the upper end of the second spiral groove (9) is blocked by a blocking block (18).
5. The feeding device of the extruder for pipeline production according to claim 1, wherein a hydraulic cylinder (13) is fixed on the outer top surface of the vertical cylinder (1), and the piston end of the hydraulic cylinder (13) movably penetrates through the closed end of the vertical cylinder (1) and is connected with the upper end of the driving rod (10).
6. The feeding device of the extruder for pipeline production according to claim 3, wherein a guide cylinder (19) is arranged in the vertical cylinder (1) on the upper side of the transverse plate (15), the guide cylinder (19) is a hollow round table with a large upper part and a small lower part and two open ends, the guide cylinder (19) is sleeved outside the upper end of the driving rod (10), the upper end of the peripheral wall of the guide cylinder (19) is connected with the upper end of the inner wall of the vertical cylinder (1), and a door body (20) is arranged on the peripheral wall of the vertical cylinder (1) between the transverse plate (15) and the sieve plate (2).

Description

Extruder loading attachment for pipeline production Technical Field The utility model relates to the technical field of pipeline production, in particular to an extruder feeding device for pipeline production. Background The extruder for producing the pipeline is core equipment for manufacturing plastic pipes, and the produced pipeline is widely applied to the fields of water supply and drainage, gas delivery, agricultural irrigation, construction and the like by continuously extruding and molding plastic raw materials through a die under the action of pressure after the plastic raw materials are heated and melted. Be equipped with the loading attachment that is used for supplying with the raw materials in to the extruder on the extruder, but loading attachment exists great cubic raw materials in the raw materials at the in-process of using, and great cubic raw materials not only blocks up in the loading attachment easily, causes the unloading not smooth, and big cubic raw materials is difficult to melt after getting into the extruder moreover, influences the shaping effect of pipeline. Disclosure of Invention The utility model provides an extruder feeding device for pipeline production, which aims to solve the problem that a feeding device of an extruder for producing pipelines is difficult to crush large blocky raw materials, can avoid blockage of the blocky raw materials in the feeding device, and can improve the forming effect of the pipelines. In order to solve the problems, the technical scheme of the utility model is as follows: The feeding device of the extruder for pipeline production comprises a vertical cylinder, a screen plate, cross rods and vertical rods, wherein the top of the vertical cylinder is communicated with a feeding pipe, the screen plate is rotationally connected in the lower part of the vertical cylinder, the middle part of the screen plate is connected with a first rotary pipe, a spiral groove is formed in the inner wall of the first rotary pipe, a second rotary pipe is arranged on the upper side of the first rotary pipe, the second rotary pipe is rotationally connected with the peripheral wall of the vertical cylinder, spiral grooves opposite to the first spiral groove in rotation direction are formed in the inner wall of the second rotary pipe, cross rods are annularly arranged on the outer wall of the second rotary pipe, the lower end of each cross rod is connected with a plurality of vertical rods, the lower end of each vertical rod is in sliding contact with the top surface of the screen plate, driving rods are jointly installed in the first rotary pipe and the second rotary pipe in a penetrating mode, driving blocks extending into the spiral grooves are arranged on the lower parts of the peripheral walls of the driving rods, driving blocks extending into the second spiral grooves are arranged on the upper parts of the peripheral walls, the driving rods are driven by a hydraulic cylinder to move upwards or downwards. Further, limiting rings are arranged on the upper side and the lower side of the circumferential surface of the sieve plate, the outer rings of the two limiting rings are fixedly connected with the inner wall of the vertical cylinder, and the opposite surfaces of the two limiting rings are respectively contacted with the upper edge and the lower edge of the sieve plate. Further, a plurality of the vertical cylinders on the upper sides of the cross rods are internally provided with cross plates, two ends of each cross plate are fixedly connected with the peripheral walls of the vertical cylinders, the upper ends of the outer walls of the second rotating pipes are rotationally connected with the cross plates, and the top surfaces of the cross plates are arc-shaped surfaces with the protrusions upwards. Further, a space is reserved between the upper end of the first rotary pipe and the lower end of the second rotary pipe, the upper end and the lower end of the first spiral groove penetrate through the upper end and the lower end of the first rotary pipe respectively, the upper end of the first spiral groove is blocked by the first blocking block, the upper end and the lower end of the second spiral groove penetrate through the upper end and the lower end of the second rotary pipe respectively, and the upper end of the second spiral groove is blocked by the second blocking block. Further, the outer top surface of the vertical cylinder is fixed with a hydraulic cylinder, and the piston end of the hydraulic cylinder movably penetrates through the closed end of the vertical cylinder and is connected with the upper end of the driving rod. Further, a guide cylinder is arranged in the vertical cylinder on the upper side of the transverse plate, the guide cylinder is a hollow round table with a large upper part and a small lower part and two open ends, the guide cylinder is sleeved outside the upper end of the driving rod, the upper end of the peripheral wall of the guide c