CN215662035U

CN215662035U - Screw extruder with melt pump

Info

Publication number: CN215662035U
Application number: CN202122193182.7U
Authority: CN
Inventors: 方纯洁; 方君豪; 蔡晓霞; 蔡丰; 朱成金; 陈理敏
Original assignee: Zhejiang Xuteng Machinery Co ltd
Current assignee: Zhejiang Xuteng Machinery Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-01-28
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a screw extruder with a melt pump, which comprises an installation bottom plate, a connecting plate, a distribution box, a screw support frame, an extrusion screw assembly, a connecting shell, a shell cover, a blower, a filter distributor body, a melt pump, a first speed reducer, a power motor, a connecting pipe, a hopper, a second speed reducer, a coupling, a variable frequency motor, a first installation block, a second installation block and a heat dissipation port, wherein the first installation block and the second installation block are respectively arranged on two sides of the top of the installation bottom plate, and the second speed reducer is arranged on the top of the second installation block. The cooling performance of the equipment is improved, and potential safety hazards are eliminated.

Description

Screw extruder with melt pump

Technical Field

The utility model relates to the technical field of extruders, in particular to a screw extruder with a melt pump.

Background

The screw extruder is characterized in that the screw extruder is dependent on pressure and shearing force generated by rotation of a screw, so that materials can be fully plasticized and uniformly mixed, the materials are changed into a molten state in transmission, and then are extruded from an outlet and then subsequently processed, and the screw extruder is widely used due to simple structure, easiness in manufacturing, high processing efficiency and low price, but the screw in the conventional screw extruder is only driven by a motor at an output end, so that the screw in the conventional screw extruder bears large pressure in the process of pushing the materials to move forwards, is easy to break and influences the service life of equipment; the equipment is not provided with a good cooling device, materials in a molten state can emit heat in the extrusion process, and certain potential safety hazards exist when the equipment runs under the high-temperature condition; it is therefore necessary to design a screw extruder with a melt pump.

Disclosure of Invention

The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a screw extruder with a melt pump.

In order to solve the technical problems, the utility model provides the following technical scheme: a screw extruder with a melt pump comprises a mounting base plate and a variable frequency motor, wherein a first mounting block and a second mounting block are respectively arranged on two sides of the top of the mounting base plate, a second speed reducer is arranged on the top of the second mounting block, a screw support frame is fixedly connected to the top of the mounting base plate through a bolt, an extrusion screw assembly is arranged on the screw support frame, the extrusion screw assembly comprises an extrusion screw and a screw shell, a connecting pipe is arranged between the screw shell and the second speed reducer, a hopper is arranged on the connecting pipe, one end of the extrusion screw penetrates through the connecting pipe to be fixedly connected with the output end of the second speed reducer, the other end of the extrusion screw is fixedly connected with the output end of the melt pump penetrating through a filtering distributor body, a connecting shell is sleeved on the screw shell, a heat dissipation port is formed in the connecting shell, a resistance wire is arranged in the connecting shell, and the resistance wire is electrically connected with a built-in power supply, the bottom of the connecting shell is provided with an air blower, the top of the connecting shell is provided with a shell cover, and the air blower is electrically connected with the built-in power supply.

Furthermore, a connecting plate is arranged on one side of the mounting bottom plate, a distribution box is arranged on the connecting plate, and a built-in power supply is arranged in the distribution box.

Furthermore, the input end of the second speed reducer is connected with the output end of the variable frequency motor through a coupler, the bottom of the variable frequency motor is fixed on the mounting base plate, and the variable frequency motor is electrically connected with the built-in power supply.

Furthermore, the bottom of the filter distributor body is fixed on one side, close to the extrusion screw assembly, of the top of the first mounting block, and a first speed reducer is arranged on one side, far away from the extrusion screw assembly, of the top of the first mounting block.

Furthermore, a power motor is arranged at the top of the first speed reducer and electrically connected with the built-in power supply, the output end of the power motor is fixedly connected with the input end of the first speed reducer, and the output end of the first speed reducer is fixedly connected with the input end of the melt pump.

Compared with the prior art, the utility model has the following beneficial effects: the utility model utilizes the power motor and the first speed reducer to drive the melt pump to operate, and then provides auxiliary acting force for the extrusion screw through the melt pump, thereby reducing the pressure to be born by the extrusion screw in the extrusion process, prolonging the service life of the equipment, simultaneously ensuring the discharging to be smoother and improving the quality of the extruded product; heat in the equipment is distributed out from the heat dissipation port in time through the arranged air blower, so that the cooling performance of the equipment is improved, and potential safety hazards are eliminated.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

Fig. 1 is a front view of the overall structure of the present invention.

Fig. 2 is a top view of the overall structure of the present invention.

Fig. 3 is a schematic view of the installation of the coupling of the present invention.

In the figure: 1. mounting a bottom plate; 2. a connecting plate; 3. a distribution box; 4. a screw rod support frame; 5. an extrusion screw assembly; 6. connecting the shell; 7. a housing cover; 8. a blower; 9. a filter distributor body; 10. a melt pump; 11. a first decelerator; 12. a power motor; 13. a connecting pipe; 14. a hopper; 15. a second decelerator; 16. a coupling; 17. a variable frequency motor; 18. a first mounting block; 19. a second mounting block; 20. and a heat dissipation port.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a screw extruder with a melt pump comprises a mounting base plate 1 and a variable frequency motor 17, wherein a first mounting block 18 and a second mounting block 19 are respectively arranged on two sides of the top of the mounting base plate 1, a second speed reducer 15 is arranged on the top of the second mounting block 19, a connecting plate 2 is arranged on one side of the mounting base plate 1, a distribution box 3 is arranged on the connecting plate 2, a built-in power supply is arranged in the distribution box 3, the built-in power supply is favorably mounted by arranging the distribution box 3, power is further supplied to equipment by the built-in power supply, the input end of the second speed reducer 15 is connected with the output end of the variable frequency motor 17 by a coupler 16, the bottom of the variable frequency motor 17 is fixed on the mounting base plate 1, the variable frequency motor 17 is electrically connected with the built-in power supply, the variable frequency motor 17 is favorably used for providing power for an extruding screw in the extruding screw assembly 5, and further conveying materials by the extruding screw, the top of the mounting base plate 1 is fixedly connected with a screw supporting frame 4 through bolts, the screw supporting frame 4 is provided with an extrusion screw component 5, the extrusion screw component 5 consists of an extrusion screw and a screw shell, a connecting pipe 13 is arranged between the screw shell and a second speed reducer 15, the connecting pipe 13 is provided with a hopper 14, one end of the extrusion screw passes through the connecting pipe 13 and is fixedly connected with the output end of the second speed reducer 15, the other end of the extrusion screw passes through a filtering distributor body 9 and is fixedly connected with the output end of a melt pump 10, the bottom of the filtering distributor body 9 is fixed at one side of the top of a first mounting block 18 close to the extrusion screw component 5, a first speed reducer 11 is arranged at one side of the top of the first mounting block 18 far away from the extrusion screw component 5, and the rotation speed output by a power motor 12 is favorably reduced through the arranged first speed reducer 11, the top of the first speed reducer 11 is provided with a power motor 12, the power motor 12 is electrically connected with a built-in power supply, the output end of the power motor 12 is fixedly connected with the input end of the first speed reducer 11, the output end of the first speed reducer 11 is fixedly connected with the input end of the melt pump 10, the power motor 12 is arranged to be beneficial to providing power for the first speed reducer 11, so that the melt pump 10 is driven to operate through the first speed reducer 11, the connecting shell 6 is sleeved on the screw shell, a heat dissipation port 20 is formed in the connecting shell 6, a resistance wire is arranged in the connecting shell 6 and is electrically connected with the built-in power supply, the bottom of the connecting shell 6 is provided with an air blower 8, the top of the connecting shell 6 is provided with a shell cover 7, and the air blower 8 is electrically connected with the built-in power supply; when the utility model is used, firstly, materials are poured into the hopper 14, then the variable frequency motor 17 operates, then the second speed reducer 15 is driven to operate through the coupler 16, then the extrusion screw in the extrusion screw assembly 5 is driven to rotate, the materials are transported, meanwhile, the built-in power supply supplies power for the resistance wire to provide heat energy for the equipment, further, the equipment is changed into a melting state in the extrusion screw assembly 5, meanwhile, the power motor 12 provides power for the first speed reducer 11, then the melt pump 10 operates to provide auxiliary power for the extrusion screw in the extrusion screw assembly 5, the pressure born by the extrusion screw is reduced, the service life of the equipment is prolonged, meanwhile, the discharging process is smoother, the quality of the extruded product is improved, in the operation process of the equipment, the blower 8 operates to blow out the heat energy dissipated in the equipment from the heat dissipation port 20, and the heat dissipation performance of the equipment is improved, the potential safety hazard is eliminated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Take melt pump screw extruder, including mounting plate (1) and inverter motor (17), its characterized in that: the two sides of the top of the mounting bottom plate (1) are respectively provided with a first mounting block (18) and a second mounting block (19), the top of the second mounting block (19) is provided with a second speed reducer (15), the top of the mounting bottom plate (1) is fixedly connected with a screw support frame (4) through bolts, an extrusion screw assembly (5) is arranged on the screw support frame (4), the extrusion screw assembly (5) consists of an extrusion screw and a screw shell, a connecting pipe (13) is arranged between the screw shell and the second speed reducer (15), the connecting pipe (13) is provided with a hopper (14), one end of the extrusion screw penetrates through the connecting pipe (13) and is fixedly connected with the output end of the second speed reducer (15), the other end of the extrusion screw is fixedly connected with the output end of a melt pump (10) penetrating through a filtering distributor body (9), and a connecting shell (6) is sleeved on the screw shell, and the connecting shell (6) is provided with a heat dissipation port (20), the connecting shell (6) is internally provided with a resistance wire, the resistance wire is electrically connected with the built-in power supply, the bottom of the connecting shell (6) is provided with an air blower (8), the top of the connecting shell (6) is provided with a shell cover (7), and the air blower (8) is electrically connected with the built-in power supply.

2. A screw extruder with melt pump according to claim 1, wherein: one side of the mounting bottom plate (1) is provided with a connecting plate (2), a distribution box (3) is arranged on the connecting plate (2), and a built-in power supply is arranged in the distribution box (3).

3. A screw extruder with melt pump according to claim 1, wherein: the input end of the second speed reducer (15) is connected with the output end of the variable frequency motor (17) through a coupler (16), the bottom of the variable frequency motor (17) is fixed on the mounting base plate (1), and the variable frequency motor (17) is electrically connected with the built-in power supply.

4. A screw extruder with melt pump according to claim 1, wherein: the bottom of the filtering distributor body (9) is fixed on one side, close to the extrusion screw assembly (5), of the top of the first mounting block (18), and a first speed reducer (11) is arranged on one side, far away from the extrusion screw assembly (5), of the top of the first mounting block (18).

5. A screw extruder with melt pump according to claim 4, characterized in that: the top of the first speed reducer (11) is provided with a power motor (12), the power motor (12) is electrically connected with a built-in power supply, the output end of the power motor (12) is fixedly connected with the input end of the first speed reducer (11), and the output end of the first speed reducer (11) is fixedly connected with the input end of the melt pump (10).