CN216968607U - Double-screw extruder is used in plastic bottle production - Google Patents

Abstract

The utility model discloses a double-screw extruder for plastic bottle production, and relates to the technical field of double-screw extruders. The double-screw extruder comprises a double-screw extruder body, a feed hopper, a feed conveying pipe and a protective shell, wherein a driving motor is fixedly installed at the bottom in the protective shell, a lower transmission rod and an upper transmission rod are rotatably connected to the inner side wall of the protective shell, a first rotating rod and a second rotating rod are rotatably connected to the feed hopper, a plurality of stirring rods are fixedly installed on the peripheral side surface of the first rotating rod, a plurality of grinding blades are fixedly installed on the peripheral side surface of the second rotating rod, a second lower conical tooth is fixedly installed on the peripheral side surface of the lower transmission rod, a first lower conical tooth and a second upper conical tooth are fixedly installed on the peripheral side surface of the connecting rod, and a first upper conical tooth is fixedly installed on the peripheral side surface of the upper transmission rod. The utility model improves the downward conveying efficiency, reduces the blockage and accelerates the heating and melting efficiency of the materials.

Description

Double-screw extruder is used in plastic bottle production

Technical Field

The utility model belongs to the technical field of double-screw extruders, and particularly relates to a double-screw extruder for plastic bottle production.

Background

The plastic bottle is characterized by light weight, low price, high safety and the like, and is widely applied to beverage, medicine, cosmetics, food and chemical industry, the screw extruder depends on pressure and shearing force generated by screw rotation, so that materials can be fully plasticized and uniformly mixed, the plastic extruder can be basically classified into a double-screw extruder through the neck mold forming, the single-screw extruder, an infrequent multi-screw extruder and a non-screw extruder are adopted as the single-screw extruder, the material raw materials are granular, the material raw materials are directly added through a feed hopper when some existing double-screw extruders process, the heating efficiency of the material raw materials is not ideal, and the melting efficiency is low, so that the double-screw extruder for plastic bottle production is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-screw extruder for plastic bottle production, which solves the problem that when some existing double-screw extruders are used for processing, material raw materials are directly added through a feed hopper, so that the heating efficiency of the material raw materials is limited, and the melting efficiency is low.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a double-screw extruder for plastic bottle production, which comprises a double-screw extruder body, a feeding hopper, a conveying pipeline and a protective shell, wherein a driving motor is fixedly arranged at the bottom in the protective shell, the output end of the driving motor is fixedly provided with a connecting rod, the inner side wall of the protective shell is rotatably connected with a lower transmission rod and an upper transmission rod, the feeding hopper is rotatably connected with a first transmission rod and a second transmission rod, the peripheral side surface of the first transmission rod is fixedly provided with a plurality of stirring rods, the peripheral side surface of the second transmission rod is fixedly provided with a plurality of grinding blades, the peripheral side surface of the lower transmission rod is fixedly provided with a second lower conical tooth, the peripheral side surface of the connecting rod is fixedly provided with a first lower conical tooth and a second upper conical tooth, and the peripheral side surface of the upper transmission rod is fixedly provided with a first upper conical tooth.

First transfer line and last transfer line fixed mounting, the perpendicular setting of awl tooth on first last awl tooth and the second, awl tooth intermeshing on first last awl tooth and the second, second transfer line and lower transfer line fixed mounting, awl tooth and first awl tooth set up perpendicularly down under the second, awl tooth and first awl tooth intermeshing down are through first awl tooth and second awl tooth meshing down to make the second dwang rotate through transfer line down.

The protective shell and the conveying pipe are fixedly mounted on the double-screw extruder body, and the feed hopper and the conveying pipe are fixedly mounted, so that ground materials enter the double-screw extruder body through the conveying pipe.

The lower transmission rod is in transmission connection with the first lower bevel gear through the second lower bevel gear, and the upper transmission rod is in transmission connection with the second upper bevel gear through the first upper bevel gear.

The puddler passes through first dwang and last drive lever fixed mounting, the hank grinds blade and passes through second dwang and lower drive lever fixed mounting.

First dwang, second dwang all are located the feeder hopper, first dwang is located second dwang top.

The utility model has the following beneficial effects:

according to the utility model, the material is stirred by the stirring rod, the downward conveying efficiency is improved, the blockage is reduced, the material is ground and minced by the rotation of the grinding blade, the minced material enters the double-screw extruder body through the conveying pipe, the heating and melting efficiency of the material is accelerated, the overall efficiency is further improved, and the problem that the melting efficiency is lower due to the fact that the material raw material is directly added through the feed hopper, the heating efficiency of the material raw material is limited is solved.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic overall view of a twin-screw extruder for producing plastic bottles according to the present invention;

FIG. 2 is a schematic side view of a twin screw extruder for plastic bottle production in accordance with the present invention;

FIG. 3 is a schematic sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion A of FIG. 3;

fig. 5 is a partially enlarged view of a portion B of fig. 3.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a twin screw extruder body; 2. a feed hopper; 3. a delivery pipe; 4. a first rotating lever; 5. a stirring rod; 6. a transmission rod is arranged; 7. a first upper bevel gear; 8. a second upper bevel gear; 9. a connecting rod; 10. a drive motor; 11. a first lower bevel gear; 12. a second lower bevel gear; 13. a lower transmission rod; 14. a second rotating lever; 15. grinding the blades; 16. a protective housing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-5, the present invention is a twin-screw extruder for plastic bottle production, comprising a twin-screw extruder body 1, a feed hopper 2, a feed delivery pipe 3 and a protective casing 16, wherein a driving motor 10 is fixedly installed at the bottom inside the protective casing 16, drive motor 10 output end fixed mounting has connecting rod 9, 16 inside wall rotations of protective housing are connected with lower transfer line 13 and last transfer line 6, 2 internal rotations of feeder hopper are connected with first transfer line 4 and second transfer line 14, 4 side fixed mounting of first transfer line have a plurality of puddlers 5, 14 side fixed mounting of second transfer line have a plurality of hank mill blades 15, 13 side fixed mounting of lower transfer line have under the second awl tooth 12, 9 side fixed mounting of connecting rod have first awl tooth 11 and second on the awl tooth 8, 6 side fixed mounting of going up transfer line have first on the awl tooth 7.

First dwang 4, second dwang 14 all are located feeder hopper 2, and first dwang 4 is located second dwang 14 top, and first dwang 4 and 6 fixed mounting of last drive rod go up the awl tooth 8 and set up perpendicularly on first awl tooth 7 and the second, and awl tooth 8 intermeshing is gone up to first awl tooth 7 and the second.

Second dwang 14 and lower drive rod 13 fixed mounting, second lower bevel gear 12 and first bevel gear 11 set up perpendicularly, second lower bevel gear 12 and first bevel gear 11 intermeshing, puddler 5 is through first dwang 4 and last drive rod 6 fixed mounting, hank grinds blade 15 through second dwang 14 and lower drive rod 13 fixed mounting, lower drive rod 13 is connected through second lower bevel gear 12 and first bevel gear 11 transmission, go up drive rod 6 and connect through 8 transmissions of first last bevel gear 7 and second upper bevel gear.

The protective shell 16 and the material conveying pipe 3 are both fixedly arranged with the double-screw extruder body 1, and the feed hopper 2 and the material conveying pipe 3 are fixedly arranged.

As shown in fig. 1 to 5, this embodiment is a method of using a twin-screw extruder for plastic bottle production: drive motor 10 selects the power model according to actual stirring demand, add the material through feeder hopper 2, start when drive motor 10, the output of drive motor 10 passes through connecting rod 9 and drives awl tooth 11 and 8 rotations on the second, go up the meshing of awl tooth 8 through first awl tooth 7 and the second, thereby drive first dwang 4 through last drive rod 6 and rotate, and stir the material through puddler 5, the efficiency is failed under improving, reduce the jam, through awl tooth 12 meshing under first awl tooth 11 and the second, thereby make second dwang 14 rotate through lower transfer rod 13, thereby make hank mill blade 15 rotate, and then polish and rub the material, the material after rubbing enters into twin-screw extruder body 1 through conveying pipeline 3, thereby accelerate the heating and the efficiency of melting of material, and then promote whole efficiency.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (7)

1. The utility model provides a double screw extruder is used in plastic bottle production, includes double screw extruder body (1), feeder hopper (2), conveying pipeline (3) protective housing (16), its characterized in that: bottom fixed mounting has driving motor (10) in protective housing (16), driving motor (10) output end fixed mounting has connecting rod (9), protective housing (16) inside wall rotates and is connected with transfer line (13) and last transfer line (6) down, feeder hopper (2) internal rotation is connected with first transfer line (4) and second transfer line (14), side fixed mounting has a plurality of puddlers (5) in first transfer line (4) week, side fixed mounting has a plurality of hank mill blade (15) in second transfer line (14), side fixed mounting has awl tooth (12) under the second in transfer line (13) week down, side fixed mounting has awl tooth (8) on first awl tooth (11) and the second in connecting rod (9) week, go up transfer line (6) week side fixed mounting and have first last awl tooth (7).

2. The twin-screw extruder for the production of plastic bottles according to claim 1, characterized in that said first rotating rod (4) and said upper rotating rod (6) are fixedly mounted, said first upper conical tooth (7) and said second upper conical tooth (8) are vertically arranged, said first upper conical tooth (7) and said second upper conical tooth (8) are mutually engaged.

3. The twin-screw extruder for the production of plastic bottles according to claim 1, characterized in that said second rotating rod (14) and lower driving rod (13) are fixedly mounted, said second lower conical tooth (12) and first lower conical tooth (11) are vertically arranged, said second lower conical tooth (12) and first lower conical tooth (11) are mutually engaged.

4. The twin-screw extruder for plastic bottle production according to claim 1, wherein the protective housing (16) and the feed delivery pipe (3) are both fixedly mounted with the twin-screw extruder body (1), and the feed hopper (2) and the feed delivery pipe (3) are fixedly mounted.

5. The twin-screw extruder for the production of plastic bottles according to claim 1, characterized in that said lower driving rod (13) is drivingly connected to said first lower conical tooth (11) through said second lower conical tooth (12), and said upper driving rod (6) is drivingly connected to said second upper conical tooth (8) through said first upper conical tooth (7).

6. The twin-screw extruder for the production of plastic bottles according to claim 1, characterized in that said stirring rod (5) is fixedly mounted by means of a first rotating rod (4) and an upper rotating rod (6), and said grinding blade (15) is fixedly mounted by means of a second rotating rod (14) and a lower rotating rod (13).

7. The twin-screw extruder for the production of plastic bottles according to claim 1, characterized in that said first rotating rod (4) and said second rotating rod (14) are both located inside the feeding hopper (2), said first rotating rod (4) being located above said second rotating rod (14).

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