Feeding system for co-extrusion production line

Abstract

The utility model discloses a feeding system for a co-extrusion production line, which comprises at least two feeding hoppers and machine barrels respectively arranged at the output ends of the feeding hoppers, a driving device is arranged at one end of each machine barrel, at least one extrusion screw is arranged at the output end of the driving device, and stirring rods are respectively arranged in the feeding hoppers. The machine barrel comprises a plurality of transition sections, feeding sections and vacuum sections which are sequentially arranged in the extrusion direction, the transition sections are communicated with the feeding sections and the vacuum sections, the feeding hoppers are communicated with the corresponding feeding sections respectively, and the feeding hoppers input raw materials into the machine barrel under the action of the stirring rods. The extrusion screw is driven to rotate under the action of the driving device, so that raw materials sequentially pass through the transition section, the feeding section and the vacuum section which are communicated with one another to be in a molten state and then are output, the automation degree of a production line is greatly improved, continuous feeding operation can be carried out, and the production efficiency is improved. The utility model belongs to the technical field of production line feeding.

Description

Technical Field

[0001] The utility model belongs to the technical field of production line feeding, and more specifically relates to a feeding system for a co-extrusion production line. Background Art

[0002] In a co-extrusion production line, a variety of materials with different properties are generally delivered to the extrusion die through a feeding mechanism. Under the action of the extrusion screw and the extruder barrel, the physical properties of the polymer are changed, and multiple layers of materials with different properties are mechanically bonded together, so that the properties of each component material complement each other, thereby obtaining a new polymer.

[0003] However, the current feeding system used in co-extrusion production lines takes up a large space, has a low degree of automation, and is difficult to perform feeding operations continuously and effectively, resulting in low overall production efficiency. Utility Model Content

[0004] The main purpose of the utility model is to provide a feeding system for a co-extrusion production line that can solve the above-mentioned problems.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the utility model is:

[0006] A feeding system for a co-extrusion production line comprises at least two feeding hoppers and a barrel respectively arranged at the output end of each of the feeding hoppers, a driving device being provided at one end of the barrel, at least one extrusion screw being provided at the output end of the driving device, the extrusion screw being located in the barrel, stirring rods for uniform feeding being respectively provided in the feeding hoppers, the stirring rods being arranged perpendicular to the extrusion screws, the barrel comprising a plurality of transition sections, a feeding section and a vacuum section sequentially arranged along the extrusion direction, the transition section being connected to the feeding section and the vacuum section, and each of the feeding hoppers being connected to the corresponding feeding section.

[0007] In a specific embodiment of the present invention, a feeding pipe is vertically provided on the upper end surface of the feeding section, and the upper hopper is connected to the feeding section through the feeding pipe.

[0008] In a specific embodiment of the present invention, a feeding base is provided on the outer side of the feeding pipe, and the feeding base is arranged perpendicular to the upper end surface of the feeding section.

[0009] In a specific embodiment of the present invention, a heating device is provided under the barrel, and the heating device includes a plurality of heating modules arranged along the length direction of the barrel, and the heating modules are respectively threadedly connected to the corresponding transition section, the feeding section and the vacuum section.

[0010] In a specific embodiment of the present invention, each of the heating modules is provided with a smoke exhaust port, and the smoke exhaust port is arranged perpendicular to the lower end surface of the heating module.

[0011] In a specific embodiment of the present invention, a vacuum pumping device is provided on the outside of the vacuum section, and the vacuum pumping device is communicated with the vacuum section.

[0012] In a specific embodiment of the present invention, a plurality of detachable shields are provided along the length direction of the barrel, and grooves for facilitating installation are provided on the inner sides of the shields.

[0013] In a specific embodiment of the present invention, handles are respectively provided on both sides of each shield.

[0014] In a specific embodiment of the present invention, a reduction gearbox is further provided at the output end of the driving device, the reduction gearbox is located between the driving device and the extrusion screw, the output end of the driving device is connected to the reduction gearbox, and the output end of the reduction gearbox is connected to the extrusion screw.

[0015] In a specific embodiment of the present invention, a ladder is provided on the outside of the driving device for convenient material loading.

[0016] One of the above technical solutions of the utility model has at least one of the following advantages or beneficial effects:

[0017] The utility model utilizes the feeding hopper to input raw materials into the barrel under the action of the stirring rod, and further drives the extrusion screw to rotate under the action of the driving device, so that the raw materials are successively output after becoming molten through the interconnected transition section, feeding section and vacuum section, thereby greatly improving the automation level of the production line and being able to continuously perform feeding operations, further improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Attachment Figure 1 It is a front view of an embodiment of the utility model;

[0020] Attachment Figure 2 A top view of an embodiment of the present invention;

[0021] Attachment Figure 3 This is a side view of an extrusion production line according to an embodiment of the present invention;

[0022] Attachment Figure 4 This is a structural diagram of a barrel according to an embodiment of the present invention;

[0023] Attachment Figure 5This is a structural diagram of a heating module according to an embodiment of the present invention;

[0024] Attachment Figure 6 This is a structural diagram of a protective cover according to an embodiment of the present invention. DETAILED DESCRIPTION

[0025] The following describes embodiments of the present invention in detail, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be understood as limiting the present invention.

[0026] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0027] In the description of this utility model, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or to implicitly indicate the quantity of the technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more features.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection or an indirect connection through an intermediate medium, and it can be internal connection between two elements, indirect connection, or an interactive relationship between two elements.

[0030] The following disclosure provides many different embodiments or examples for implementing different solutions of the present invention.

[0031] Refer to the attached Figure 1 To the attached Figure 6 As shown, a feeding system for a co-extrusion production line includes two feeding hoppers 1 and a barrel 2 respectively arranged at the output end of each feeding hopper 1, a driving device 3 is provided at one end of the barrel 2, a head is provided at the other end of the barrel 2, and a mold device is provided on the outside of the head.

[0032] In one embodiment of the present invention, the mold device includes flow channels connected to each machine head and a die head connected to each flow channel, and a distributor is provided at the input end of the die head, so as to ensure that the subsequent production line can carry out composite production of uniform extrusion, and each extrusion unit can be connected to the die head through the flow channel, thereby realizing multi-line operation of workers and further improving production efficiency.

[0033] In one embodiment of the present invention, three first flow channels are evenly spaced in the die head, and the three first flow channels are arranged parallel to each other. Three second flow channels are spaced in the distributor, and one end of each second flow channel is connected to the corresponding extrusion unit, and the other end of each second flow channel is connected to the corresponding first flow channel.

[0034] In one embodiment of the present invention, an extrusion screw is provided at the output end of the driving device 3, the extrusion screw is located in the barrel 2, and stirring rods for uniform material discharge are respectively provided in the upper hopper 1, and the stirring rods are arranged perpendicular to the extrusion screw.

[0035] In one embodiment of the present invention, a cooling water pipe is provided on one side of each barrel 2, a wire groove 11 and three supports for supporting the barrel 2 are provided below the barrel 2, and the sides of the wire groove 11 are fixedly connected to the three supports.

[0036] In one embodiment of the present invention, the barrel 2 includes a plurality of transition sections 21, a feeding section 22 and a vacuum section 23 arranged in sequence along the extrusion direction, and the transition section 21 is connected to the feeding section 22 and the vacuum section 23, and each upper hopper 1 is connected to the corresponding feeding section 22.

[0037] In one embodiment of the present invention, the hopper 1 inputs raw materials into the barrel 2 under the action of the stirring rod, and further drives the extrusion screw to rotate under the action of the driving device 3, so that the raw materials are successively output after becoming molten through the interconnected transition section 21, the feeding section 22 and the vacuum section 23, which not only greatly improves the degree of automation of the production line, but also enables continuous feeding operations, further improving production efficiency.

[0038] In one embodiment of the present invention, an escalator 24 is provided on the outside of the driving device 3 for workers to add materials. A reduction gearbox 4 is also provided at the output end of the driving device 3. The reduction gearbox 4 is located between the driving device 3 and the extrusion screw. The output end of the driving device 3 is connected to the reduction gearbox 4, and the output end of the reduction gearbox 31 is connected to the extrusion screw.

[0039] In one embodiment of the present invention, a feeding pipe 5 is vertically provided on the upper end face of the feeding section 22, the upper hopper 1 is connected with the feeding section 22 through the feeding pipe 5, and a feeding base 6 is provided on the outer side of the feeding pipe 5, and the feeding base 6 is arranged perpendicular to the upper end face of the feeding section 22.

[0040] In one embodiment of the present invention, a heating device 7 is provided under the barrel 2, and the heating device 7 includes a plurality of heating modules 71 arranged along the length direction of the barrel 2. The heating modules 71 are respectively connected to the corresponding transition section 21, the feeding section 22 and the vacuum section 23 through threads. Each heating module 71 is respectively provided with a smoke exhaust port 711, and by arranging the smoke exhaust ports 711 perpendicular to the lower end face of the heating module 71, the smoke in the barrel 2 can be accelerated to be discharged, thereby ensuring the subsequent extrusion step.

[0041] In one embodiment of the present invention, a vacuum pumping device 8 is provided on the outside of the vacuum section 23, and the vacuum pumping device 8 is connected to the vacuum section 23 to ensure that the vacuum state is maintained in the vacuum section 23. A number of detachable protective covers 9 are provided along the length direction of the barrel 2, and a groove 91 for convenient installation is provided on the inner side of the protective cover 9. By providing handles 92 on both sides of each protective cover 9, it is convenient to perform separate pulling and cleaning operations on each extrusion unit after the extrusion operation is completed.

[0042] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A feeding system for a co-extrusion production line, characterized in that: The invention comprises at least two hoppers (1) and a barrel (2) respectively arranged at the output end of each hopper (1); a driving device (3) is provided at one end of the barrel (2); at least one extrusion screw is provided at the output end of the driving device (3); the extrusion screw is located in the barrel (2); stirring rods for uniform feeding are respectively provided in the hopper (1); the stirring rods are arranged perpendicular to the extrusion screws; the barrel (2) comprises a plurality of transition sections (21), feeding sections (22) and vacuum sections (23) sequentially arranged along the extrusion direction; the transition section (21) is connected to the feeding section (22) and the vacuum section (23); and each hopper (1) is connected to the corresponding feeding section (22).

2. The feeding system for a co-extrusion production line according to claim 1, characterized in that: A feeding pipe (5) is vertically provided on the upper end surface of the feeding section (22), and the upper hopper (1) is connected to the feeding section (22) through the feeding pipe (5).

3. The feeding system for a co-extrusion production line according to claim 2, characterized in that: A feeding base (6) is provided on the outer side of the feeding pipe (5), and the feeding base (6) is arranged perpendicular to the upper end surface of the feeding section (22).

4. The feeding system for a co-extrusion production line according to claim 1, characterized in that: A heating device (7) is provided below the barrel (2), and the heating device (7) includes a plurality of heating modules (71) arranged along the length direction of the barrel (2), and the heating modules (71) are respectively threadedly connected to the corresponding transition section (21), the feeding section (22) and the vacuum section (23).

5. The feeding system for a co-extrusion production line according to claim 4, characterized in that: Each of the heating modules (71) is provided with a smoke exhaust port (711), and the smoke exhaust port (711) is arranged perpendicular to the lower end surface of the heating module (71).

6. The feeding system for a co-extrusion production line according to claim 1, characterized in that: A vacuum pumping device (8) is provided outside the vacuum section (23), and the vacuum pumping device (8) is communicated with the vacuum section (23).

7. The feeding system for a co-extrusion production line according to claim 1, characterized in that: A plurality of detachable shields (9) are provided along the length direction of the barrel (2), and grooves (91) for convenient installation are provided on the inner sides of the shields (9).

8. The feeding system for a co-extrusion production line according to claim 7, characterized in that: Handles (92) are respectively provided on both sides of each shield (9).

9. The feeding system for a co-extrusion production line according to claim 1, characterized in that: The output end of the driving device (3) is further provided with a reduction box (4), the reduction box (4) being located between the driving device (3) and the extrusion screw, the output end of the driving device (3) being connected to the reduction box (4), and the output end of the reduction box (4) being connected to the extrusion screw.

10. The feeding system for a co-extrusion production line according to claim 9, characterized in that: An escalator (24) for convenient material feeding is provided on the outside of the driving device (3).

Images