CN215589905U

CN215589905U - Screw rod combination structure of screw rod extruder

Info

Publication number: CN215589905U
Application number: CN202122237132.4U
Authority: CN
Inventors: 韩敏; 胡一鸣; 李俊勇; 孙奇
Original assignee: Changzhou Jieming New Material Technology Co ltd
Current assignee: Changzhou Jieming New Material Technology Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-01-21
Anticipated expiration: 2031-09-14

Abstract

The utility model relates to the technical field of screw extruders, in particular to a screw combination structure of a screw extruder, wherein two first screws are parallel to each other and are meshed with each other, the end parts of the first screws are provided with first gears, the two first gears are meshed with each other, an output shaft of a first driving motor is connected to one of the first screws, a heating component is arranged on the first screw, a feeding component is positioned on one side of the first screw, the feeding component comprises a second screw, a second driving motor and a material mixing component, the second screw is communicated with the first screw, the second screw is arranged in the second screw, and an output shaft of the second driving motor is connected to the second screw. Carry out preliminary mixing, heat the material through heating element through the compounding part to the stirring that has improved the material is more even, has improved the quality of product.

Description

Screw rod combination structure of screw rod extruder

Technical Field

The utility model relates to the technical field of screw extruders, in particular to a screw combination structure of a screw extruder.

Background

The extruder can divide the machine head into a right-angle machine head, an oblique-angle machine head and the like according to the material flow direction of the machine head and the included angle of the central line of the screw rod, the screw extruder can fully plasticize and uniformly mix materials by means of pressure and shearing force generated by rotation of the screw rod, the materials are formed through a neck mold, the double-screw extruder is developed on the basis of a single-screw extruder, and the double-screw extruder has the characteristics of good feeding performance, mixing plasticization performance, exhaust performance, extrusion stability and the like, and is widely applied to forming and processing of extruded products at present.

In the prior art, the materials are added into the extruder together through the feeding hopper of the extruder, the retention time of the materials in the screw cylinder is short, the materials are not uniformly mixed, and the quality of the produced product is poor, so that the screw combination structure of the screw extruder is designed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a screw combination structure of a screw extruder.

The utility model provides the following technical scheme: a screw rod combination structure of a screw rod extruder comprises a first screw barrel, a first screw rod, a first driving motor, a heating assembly and a feeding assembly; the two first screws are parallel to each other and are meshed with each other and are arranged in the first screw barrels, first gears are arranged at the end parts of the first screws, the two first gears are meshed with each other, an output shaft of the first driving motor is connected to one of the first screws, the heating assembly is arranged on the first screw barrels, the feeding assembly is located on one side of the first screw barrels and comprises a second screw barrel, a second screw rod, a second driving motor and a material mixing part, the second screw barrel is communicated with the first screw barrel, the second screw rod is arranged in the second screw barrel, and an output shaft of the second driving motor is connected to the second screw rod.

Preferably, the heating assembly comprises heating rods, a mounting frame and miniature electric fans, the miniature electric fans are mounted on the first screw cylinder through the mounting frame, the mounting frame close to one side of the first screw cylinder is provided with the heating rods, and the first screw cylinder is provided with a plurality of through holes.

Preferably, the mixing part comprises a mixing barrel, a roller set and a mixing driving motor, the mixing barrel is erected on the upper portion of the second screw barrel, a feed inlet is formed in the upper portion of the mixing barrel, a discharge outlet communicated with the second screw barrel is formed in the lower portion of the mixing barrel, the roller set is rotatably arranged in the mixing barrel, and an output shaft of the mixing driving motor is connected to the roller set.

Preferably, the roller set includes first running roller, second running roller, third running roller, running roller frame and installation gear, first running roller the second running roller and setting that the third running roller parallels is in on the running roller frame, first running roller the second running roller and install corresponding roller, every intermeshing is installed to the tip of roller the installation gear.

Preferably, a rotating bearing is arranged between the roller shaft and the roller frame, and the outer surfaces of the first roller, the second roller and the third roller are provided with wear-resistant layers.

The utility model relates to a screw combination structure of a screw extruder, which has the beneficial effects that: carry out preliminary mixing, heat the material through heating element through the compounding part to the stirring that has improved the material is more even, has improved the quality of product.

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. In the drawings:

FIG. 1 is a schematic diagram of the structure of the apparatus of the present invention;

FIG. 2 is a schematic view of the construction of the mixing bowl of the apparatus of the present invention;

FIG. 3 is a schematic view of the structure of a roller set in the device of the present invention;

labeled as: 1. a first barrel; 2. a first screw; 3. a first drive motor; 4. a first gear; 5. a second barrel; 6. a second screw; 7. a second drive motor; 8. a mixing part; 9. a heating rod; 10. a mounting frame; 11. a miniature electric fan; 12. a mixing barrel; 13. a roller set; 14. a mixing drive motor; 15. a first roller; 16. a second roller; 17. a third roller; 18. a roller frame; 19. mounting a gear; 20. a feed inlet; 21. a discharge port; 22. a through hole; 23. a roll shaft; 24. a wear layer; 25. a guide plate.

Detailed Description

The conception, the specific structure and the technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Further, the description of the upper, lower, left, right, etc. used in the present invention is only with respect to the positional relationship of the respective components of the present invention with respect to each other in the drawings.

As shown in fig. 1 to 3, a screw combination structure of a screw extruder comprises a first screw barrel 1, a first screw 2, a first driving motor 3, a heating assembly and a feeding assembly; the two first screws 2 are parallel to each other and are meshed with each other and are arranged in the first screw barrel 1, the end part of each first screw 2 is provided with a first gear 4, the two first gears 4 are meshed with each other, the output shaft of the first driving motor 3 is connected to one of the first screws 2, the heating component is arranged on the first screw barrel 1, the feeding component is positioned at one side of the first screw barrel 1 and comprises a second screw barrel 5, a second screw 6, a second driving motor 7 and a material mixing component 8, the second screw barrel 5 is communicated with the first screw barrel 1, the second screw 6 is arranged in the second screw barrel 5, and the output shaft of the second driving motor 7 is connected to the second screw 6. During the compounding part was added to the material, through 8 preliminary mixes of compounding part, entered into second spiral shell section of thick bamboo 5 from discharge gate 21, second driving motor 7 starts, drives second screw rod 6 and rotates, continues to carry the material to first spiral shell section of thick bamboo 1, and first driving motor 3 drives two first screw rods 2 and rotates, and the stirring efficiency of comparing single screw rod is higher, and the product that obtains is more even. The heating component is arranged on the second screw barrel 5 to further heat the materials.

The heating assembly comprises heating rods 9, a mounting frame 10 and miniature electric fans 11, the miniature electric fans 11 are mounted on the first screw cylinder 1 through the mounting frame 10, the mounting frame 10 close to one side of the first screw cylinder 1 is provided with the heating rods 9, and the first screw cylinder 1 is provided with a plurality of through holes 22. The heat that the heating rod 9 produced goes out the heat through miniature electric fan 11 and transmits to first spiral shell section of thick bamboo 1 in, heats the material wherein, makes the material more even by the stirring like this, has guaranteed product quality.

Specifically, the compounding part includes mixing barrel 12, roller set 13 and compounding driving motor 14, mixing barrel 12 erects the upper portion of second spiral shell 5, and its upper portion is equipped with feed inlet 20, its lower part be equipped with the discharge gate 21 of second spiral shell 5 intercommunication, the rotatable setting of roller set 13 is in mixing barrel 12, the output shaft of compounding driving motor 14 connect in roller set 13. The roller set 13 includes first running roller 15, second running roller 16, third running roller 17, running roller frame 18 and installation gear 19, first running roller 15 second running roller 16 and the setting that third running roller 17 parallels is in on the running roller frame 18, first running roller 15 second running roller 16 and install corresponding roller 23 on the third running roller 17, every intermeshing is installed to the tip of roller 23 installation gear 19. And a rotating bearing is arranged between the roller shaft 23 and the roller frame 18, and the outer surfaces of the first roller 15, the second roller 16 and the third roller 17 are provided with a wear-resistant layer 24. During the material was added to compounding section of thick bamboo 12, three running roller of compounding driving motor 14 drive rotated, mixes through the rolling force between the running roller to carry out preliminary mixing with the material. Two inclined guide plates 25 are arranged at the upper part of the roller set, and materials are guided to the roller set through the guide plates 25 for rolling.

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. A screw combination structure of a screw extruder is characterized by comprising a first screw cylinder, a first screw, a first driving motor, a heating assembly and a feeding assembly; the two first screws are parallel to each other and are meshed with each other and are arranged in the first screw barrels, first gears are arranged at the end parts of the first screws, the two first gears are meshed with each other, an output shaft of the first driving motor is connected to one of the first screws, the heating assembly is arranged on the first screw barrels, the feeding assembly is located on one side of the first screw barrels and comprises a second screw barrel, a second screw rod, a second driving motor and a material mixing part, the second screw barrel is communicated with the first screw barrel, the second screw rod is arranged in the second screw barrel, and an output shaft of the second driving motor is connected to the second screw rod.

2. The screw combination structure of screw extruder according to claim 1, wherein the heating assembly comprises heating rods, a mounting frame and micro electric fans, wherein the micro electric fans are mounted on the first screw barrel through the mounting frame, the mounting frame near one side of the first screw barrel is provided with the heating rods, and the first screw barrel is provided with through holes.

3. A screw combination structure of a screw extruder according to claim 1, wherein the mixing component comprises a mixing barrel, a roller set and a mixing driving motor, the mixing barrel is erected on the upper part of the second screw barrel, a feeding hole is arranged on the upper part of the mixing barrel, a discharging hole communicated with the second screw barrel is arranged on the lower part of the mixing barrel, the roller set is rotatably arranged in the mixing barrel, and an output shaft of the mixing driving motor is connected with the roller set.

4. The screw combination structure of a screw extruder according to claim 3, wherein the roller set comprises a first roller, a second roller, a third roller, a roller frame and a mounting gear, the first roller, the second roller and the third roller are arranged on the roller frame in parallel, the first roller, the second roller and the third roller are provided with corresponding roller shafts, and the end of each roller shaft is provided with the mounting gear which is engaged with the end of the roller shaft.

5. The screw combination structure of a screw extruder according to claim 4, wherein a rotational bearing is provided between the roller shaft and the roller frame, and the outer surfaces of the first roller, the second roller, and the third roller are provided with wear-resistant layers.