CN215703905U

CN215703905U - Impurity removing device of plastic extruder

Info

Publication number: CN215703905U
Application number: CN202121434764.3U
Authority: CN
Inventors: 王龙; 韩博; 荆兆龙; 刘机关; 李庆文; 毕彦坤
Original assignee: Qingdao Gon Science and Technology Co Ltd
Current assignee: Qingdao Gon Science and Technology Co Ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-02-01
Anticipated expiration: 2031-06-25

Abstract

An impurity removing device of a plastic extruder relates to the technical field of plastic extruders and comprises a charging barrel and a hopper arranged above the charging barrel, wherein a lower port of the hopper is arranged at a feed inlet of a screening assembly, a blanking pipe is arranged below the screening assembly, and the lower end of the blanking pipe is communicated to the charging barrel; the screening component is used for screening out large particle groups. This is novel can separate away large granule group, solves the uneven problem of granule raw materials size, guarantees the stability of quality of product.

Description

Impurity removing device of plastic extruder

Technical Field

The utility model relates to the technical field of plastic extruders, in particular to an impurity removing device of a plastic extruder.

Background

The screw extruder is characterized in that materials can be fully plasticized and uniformly mixed by means of pressure and shearing force generated by screw rotation, and the material is molded through a neck mold and widely used for the blending modification of filling, reinforcing, toughening and the like of high polymer materials such as general plastics, engineering plastics, thermoplastic rubber and the like, and the processing fields of special fibers, special adhesives and the like. When the plastic extruder works, raw materials are added from the hopper, uniformly fall into the charging barrel, are subjected to three-stage transportation, compression and metering, and are accurately and quantitatively conveyed out to be supplied to the machine head die. The raw materials that the extruder used are granule raw materials, granule raw materials are the cutting of pelleter and produce, because the raw and other materials shape when cutting the grain is different, so produce big granule group very easily when cutting granule raw materials, these big granule group are along with granule raw materials get into behind the feed cylinder of extruder, because the extrusion speed of extruder and heating temperature's the restriction, big granule group can appear heating, dissolve insufficient phenomenon, make the product after the mould shaping have the unstable phenomenon of quality, this kind of instability of quality is especially outstanding in thin wall products such as pipe fitting, mat.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides an impurity removing device of a plastic extruder, which can separate large granular masses, solve the problem of uneven size of granular raw materials and ensure the quality stability of products.

The purpose of the utility model can be realized by the following technical scheme: an impurity removing device of a plastic extruder comprises a charging barrel and a hopper arranged above the charging barrel, wherein a lower port of the hopper is arranged at a feed inlet of a screening assembly, a blanking pipe is arranged below the screening assembly, and the lower end of the blanking pipe is communicated to the charging barrel; the screening component is used for screening out large particle groups.

Preferably, the sieve material subassembly includes the sieve feed cylinder that the center pin level set up install the hob in the sieve feed cylinder, install helical blade on the hob, the feed inlet sets up the left end top of sieve feed cylinder the first motor is installed to the left end of sieve feed cylinder, the first motor with hob power is connected, the sieve feed cylinder is located the part of blanking pipe upper end is provided with the mesh.

Preferably, the upper end opening of the blanking pipe is flared to form a material collecting cavity.

Preferably, the right end of the screening cylinder is provided with a discharge port, and the discharge port extends into the collection box.

Preferably, the lower part of the right end of the sieving cylinder is hinged to a first seat plate at the right port of the material collecting cavity, the lower part of the left end of the sieving cylinder is mounted on a vibrating assembly, and the vibrating assembly is mounted between a second seat plate at the left port of the material collecting cavity.

Preferably, the vibration assembly comprises an eccentric roller, a second motor and a crawler wheel group, the second motor is in power connection with a rotating shaft of the eccentric roller through the crawler wheel group, and the lower surface of the left end of the screen cylinder is seated on the eccentric roller.

Preferably, the lower port of the hopper is transversely provided with a switch plate, and the switch plate can horizontally slide, pull and insert to control the opening area of the lower port of the hopper.

When the feeding device is used, raw materials are poured into the hopper, the blanking speed is controlled by adjusting the switch board, the raw materials fall into the left end of the screening cylinder, the screw rod rotates, raw material particles with the diameter smaller than the meshes of the screening cylinder fall into the collecting cavity from the cylinder, the raw material particles fall into the cylinder after passing through the blanking pipe, large particle clusters with the diameter larger than the meshes of the screening cylinder are left in the screening cylinder and are pushed by the screw rod to move forwards, and the large particle clusters finally fall into the collecting box to be recovered; in addition, the screw rod can also rotate to push and break up raw materials, so that the raw materials can be screened more quickly.

The comprehensive effects brought by the utility model comprise: the utility model has simple and reasonable structure and convenient use, separates large particle groups in raw materials from raw material particles by arranging the screening component below the hopper, ensures the uniform size of the raw material particles entering the charging barrel, and ensures the stable performance of subsequent extruded products.

Drawings

FIG. 1 is a schematic structural diagram of a trash removal device of a plastic extruder according to an embodiment of the utility model.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.

Detailed Description

The utility model is further illustrated by the following figures and examples.

Examples

An impurity removing device of a plastic extruder comprises a charging barrel 1 and a hopper 2 arranged above the charging barrel 1, wherein a lower port of the hopper 2 is arranged at a feeding hole 31 of a screening assembly, a blanking pipe 4 is arranged below the screening assembly, and the lower end of the blanking pipe 4 is communicated to the charging barrel 1; the screening component is used for screening out large particle groups; the sieve material subassembly includes sieve feed cylinder 32 that the center pin level set up install hob 33 in the sieve feed cylinder 32, install helical blade on the hob 33, feed inlet 31 sets up the left end top of sieve feed cylinder 32 motor one is installed to the left end of sieve feed cylinder 32, motor one with hob 33 power is connected, sieve feed cylinder 32 is located the part of blanking pipe 4 upper end is provided with the mesh, and the mesh distribution area is enough big on order to make sieve feed cylinder 32, so the bell-mouthed that expands outward is designed to the last port of blanking pipe 4, and the bell-mouthed last port forms the material collecting cavity 41.

Further, in the present embodiment, the right end of the screen cylinder 32 is provided with a discharge port, and the discharge port extends into the collection box 6. The large particle lumps screened out from the screening cylinder 32 are conveyed by the spiral rod 33 to the collecting box 6 for collection and are cut again.

Further, in the present embodiment, in order to further accelerate the material screening of the raw material, it is considered that the screen cylinder 32 is installed on the vibrating structure, the lower part of the right end of the screen cylinder 32 is hinged on the first seat plate 42 at the right port of the material collecting cavity 41, the lower part of the left end of the cylinder 1 is installed on the vibrating assembly, and the vibrating assembly is installed between the second seat plates 43 at the left port of the material collecting cavity 41; the vibrating assembly comprises an eccentric roller 51, a second motor 52 and a crawler wheel group 53, the second motor 52 is in power connection with a rotating shaft of the eccentric roller 51 through the crawler wheel group 53, and the lower surface of the left end of the screen cylinder 32 is seated on the eccentric roller 51. The second motor 52 rotates and drives the track wheel set 53 to rotate, so that the eccentric roller 51 rotates, the left end of the screen material cylinder 32 is placed on the eccentric roller 51, and when the eccentric roller 51 rotates, the left end of the screen material cylinder 32 swings up and down to play a role in vibrating the screen material cylinder 32, and the screen material can be screened for the raw material more quickly.

Further, in this embodiment, an opening and closing plate 21 is transversely installed at the lower port of the hopper 2, and the opening and closing plate 21 can horizontally slide and be inserted to control the opening area of the lower port of the hopper 2. The switch plate 21 can control the feeding speed of the hopper 2.

When the feeding device is used, raw materials are poured into the hopper 2, the blanking speed is controlled by adjusting the switch board 21, the raw materials fall into the left end of the screen cylinder 32, the spiral rod 33 rotates, raw material particles with the particle size smaller than the meshes of the screen cylinder 32 fall into the collecting cavity 41 from the cylinder, the raw material particles fall into the cylinder 1 through the blanking pipe 4, large particle clusters with the particle size larger than the meshes of the screen cylinder 32 are left in the screen cylinder 32 and are pushed by the spiral rod 33 to move forwards, and the large particle clusters finally fall into the collecting box 6 to be recovered; in addition, the screw rod 33 can also rotate to push and break up the raw materials, so that the raw materials can be screened more quickly.

The comprehensive effects brought by the embodiment of the utility model comprise: the embodiment of the utility model has simple and reasonable structure and convenient use, and large particle groups in the raw materials are separated from the raw material particles by arranging the screening component below the hopper 2, so that the raw material particles entering the charging barrel 1 are ensured to be uniform in size, and the performance stability of subsequent extruded products is ensured.

The structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the art, and any structural modifications, changes in proportions, or adjustments in size, which do not affect the efficacy and attainment of the same are intended to fall within the scope of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

The utility model has been described above with reference to preferred embodiments, but the scope of protection of the utility model is not limited thereto, and all technical solutions falling within the scope of the claims are within the scope of protection of the utility model. Various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict.

Claims

1. An impurity removing device of a plastic extruder comprises a charging barrel (1) and a hopper (2) arranged above the charging barrel (1), and is characterized in that a lower port of the hopper (2) is arranged at a feeding hole (31) of a screening assembly, a blanking pipe (4) is arranged below the screening assembly, and the lower end of the blanking pipe (4) is communicated to the charging barrel (1); the screening component is used for screening out large particle groups.

2. The impurity removing device of the plastic extruder as claimed in claim 1, wherein the screening component comprises a screening barrel (32) with a horizontally arranged central shaft, a screw rod (33) is installed in the screening barrel (32), a helical blade is installed on the screw rod (33), the feeding hole (31) is arranged above the left end of the screening barrel (32), a first motor is installed at the left end of the screening barrel (32), the first motor is in power connection with the screw rod (33), and the part of the screening barrel (32) at the upper end of the blanking pipe (4) is provided with meshes.

3. The impurity removing device of a plastic extruder as claimed in claim 2, wherein the upper end opening of the blanking pipe (4) is flared to form a material collecting cavity (41).

4. The impurity removing device of a plastic extruder as claimed in claim 2, characterized in that the right end of the screen cylinder (32) is provided with a discharge port which extends into the collecting box (6).

5. The impurity removing device of a plastic extruder as claimed in claim 3, characterized in that the lower part of the right end of the screen cylinder (32) is hinged on a first seat plate (42) at the right end opening of the material collecting cavity (41), and the lower part of the left end of the cylinder (1) is installed on a vibrating component which is installed between a second seat plate (43) at the left end opening of the material collecting cavity (41).

6. The impurity removing device of a plastic extruder as claimed in claim 5, wherein the vibration component comprises an eccentric roller (51), a second motor (52) and a track wheel set (53), the second motor (52) is in power connection with a rotating shaft of the eccentric roller (51) through the track wheel set (53), and the lower surface of the left end of the screen cylinder (32) is seated on the eccentric roller (51).

7. The impurity removing device of the plastic extruder as claimed in claim 1, wherein a switch plate (21) is transversely installed at the lower port of the hopper (2), and the switch plate (21) can horizontally slide and be drawn and inserted to control the opening area of the lower port of the hopper (2).