CN220593976U

CN220593976U - Screw extruder that fibre preparation was used

Info

Publication number: CN220593976U
Application number: CN202322297106.XU
Authority: CN
Inventors: 陶剑; 曹东发; 曹志豪
Original assignee: Anhui Shunxi Chemical Fiber Co ltd
Current assignee: Anhui Shunxi Chemical Fiber Co ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-03-15
Anticipated expiration: 2033-08-25

Abstract

The utility model provides a screw extruder for manufacturing fibers, which comprises a screw extruder body, wherein a feeding hopper is correspondingly arranged on a machine barrel of the screw extruder body; the lower part of the feed hopper is correspondingly provided with a material level gauge, the top of the feed hopper is correspondingly provided with a top cover which can be opened in a rotating way, one side of the top cover is rotatably arranged at the top of the feed hopper, and the top cover can be driven to rotate by a driving motor; when the material height in the feed hopper is lower than the material level timing, the driving motor is started to drive the top cover to rotate and open. The utility model can effectively avoid the ash falling caused by long-term opening in the feed hopper, and simultaneously does not need staff to observe the material condition in the feed hopper at any time, thereby reducing the burden of the staff, and has convenient use and strong practicability.

Description

Screw extruder that fibre preparation was used

Technical Field

The utility model belongs to the technical field of screw extruders, and particularly relates to a screw extruder for manufacturing fibers.

Background

Fibers are one of the common textile materials in life, and synthetic fibers are chemical fibers obtained by spinning and post-treating synthetic linear polymers of suitable molecular weight and having solubility (or meltability). In the production and manufacturing process, a screw extruder is usually used, and the screw extruder relies on pressure and shearing force generated by screw rotation, so that materials can be fully plasticized and uniformly mixed, and the materials can be molded through a die. The extruder can be basically classified into a single screw extruder and a double screw extruder, and different structural forms of the extruder in each section are designed to adapt to the characteristics of the screw in each section, so that the product quality is improved and the production efficiency is improved.

However, the existing screw extruder has some inconvenience in use. For example, chinese patent application No. CN202120485224.1 discloses a twin-screw extruder, and its technical scheme is, a twin-screw extruder includes the twin-screw extruder body, sets up the material receiving device at the discharge end of twin-screw extruder body and sets up the guider at the discharge end of material receiving device, material receiving device is including setting up the conveyer belt and the drive assembly who is used for driving the conveyer belt at the discharge end of twin-screw extruder body, the conveyer belt includes a plurality of connecting bands, a plurality of recesses have been seted up on the connecting band, the recess corresponds with the discharge gate of twin-screw extruder body. Taking the screw extruder as an example, the top of a feed hopper of the existing screw extruder is generally opened, so that the feed hopper is convenient for workers to fill, but the dust is easy to fall inside the feed hopper, on one hand, dust and materials are mixed together to be unfavorable for fiber manufacture, and on the other hand, the dust falls into a machine barrel of the screw extruder to influence the normal work of the screw extruder. In addition, the staff still need observe the material condition in the feeder hopper constantly during its during operation to can in time add the material, this process is higher to staff's attention requirement, and the burden is great relatively. Accordingly, there is a need for an improvement to solve the above-mentioned problems.

Disclosure of Invention

1. Object of the utility model

According to the technical problem, the screw extruder for manufacturing the fibers can effectively avoid ash falling caused by long-term opening of the feed hopper, meanwhile, workers are not required to observe the material condition in the feed hopper at any time, the burden of the workers is reduced, and the screw extruder is convenient to use and high in practicability.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the screw extruder for manufacturing the fibers comprises a screw extruder body, wherein a feeding hopper is correspondingly arranged on a machine barrel of the screw extruder body; the lower part of the feed hopper is correspondingly provided with a material level gauge, the top of the feed hopper is correspondingly provided with a top cover which can be opened in a rotating way, one side of the top cover is rotatably arranged at the top of the feed hopper, and the top cover can be driven to rotate by a driving motor; when the material height in the feed hopper is lower than the material level timing, the driving motor is started to drive the top cover to rotate and open.

The further improvement is that: an L-shaped fixing plate is correspondingly arranged on one side of the top end of the feed hopper, a rotatable rotating shaft is correspondingly arranged on the L-shaped fixing plate, a support plate is correspondingly arranged on one side of the top cover, and the support plate is correspondingly arranged on the rotating shaft; the driving motor is correspondingly fixed on one side of the lower part of the L-shaped fixing plate, an incomplete gear is correspondingly arranged on an output shaft at the top of the driving motor, a cylindrical gear is correspondingly arranged at the lower end of the rotating shaft, the cylindrical gear is meshed with the incomplete gear, and the top cover can be driven to rotate through the driving motor.

The further improvement is that: the feeding hopper sequentially comprises a feeding barrel section, a conical section and a discharging section from top to bottom, the bottom of the discharging section is correspondingly connected with a feeding hole at the top of the machine barrel, the top cover is correspondingly arranged at the top of the feeding barrel section, and the L-shaped fixing plate is correspondingly arranged at one side of the top end of the feeding barrel section; the side wall of the feeding barrel section is correspondingly provided with a vertical waist-shaped hole, and transparent glass is correspondingly arranged in the waist-shaped hole.

The further improvement is that: annular cavities are correspondingly arranged in the side walls of the blanking sections of the feeding hoppers, and spiral heating pipes are correspondingly arranged in the annular cavities.

The further improvement is that: the top cover can be correspondingly provided with a through hole, and a dustproof net can be correspondingly arranged in the through hole.

The further improvement is that: and a buzzer can be correspondingly arranged on one side of the outer wall of the feeding hopper, and can give out warning and reminding when the height of the material in the feeding hopper is lower than the material level timing.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

according to the utility model, the material level gauge is correspondingly arranged at the lower part of the feed hopper of the screw extruder, the top cover which can be opened in a rotating way is correspondingly arranged at the top part of the feed hopper, the top cover is driven to rotate by the driving motor in a gear transmission way, and the top cover can seal the top part of the feed hopper to avoid ash falling in the feed hopper during normal operation; when the material height in the feed hopper is lower than the material level timing, the driving motor is started to drive the top cover to rotate and open, the worker can be reminded to add materials, the process can effectively avoid the dust falling due to long-term opening in the feed hopper, meanwhile, the worker is not required to observe the material condition in the feed hopper at any time, the top cover rotates and opens to remind the worker to add materials, the burden of the worker is lightened, and the device is convenient to use and high in practicability.

In addition, transparent glass is also installed on the side wall of the feeding barrel section of the feeding hopper, so that workers can accurately observe the conditions of materials in the feeding barrel section. Spiral heating pipes are correspondingly arranged in the side wall of the blanking section of the feeding hopper, so that the problem of blockage caused by local cooling and solidification of molten materials in the blanking section in the production process is effectively avoided, and smooth production process is ensured. The buzzer can be correspondingly installed on one side of the outer wall of the feeding hopper so as to give out warning and reminding when the material level in the feeding hopper is lower than the material level timing, so that workers are prevented from not noticing the top cover to rotate and open, and the workers are ensured to timely add materials.

Drawings

FIG. 1 is a schematic view showing the overall structure of a screw extruder according to the present utility model;

FIG. 2 is an enlarged schematic view of the outer structure of the feed hopper of the present utility model;

FIG. 3 is an enlarged schematic view of the cross-sectional structure of the feed hopper of the present utility model;

FIG. 4 is an enlarged schematic view of the installation of a spur gear and an incomplete gear according to the present utility model;

FIG. 5 is an enlarged schematic cross-sectional view of the loading and unloading section of the feed hopper of the present utility model.

Reference numerals

1. A screw extruder body; 11. a barrel; 12. a feed hopper; 121. a loading barrel section; 1211. an L-shaped fixing plate; 1212. transparent glass; 122. a conical section; 123. a blanking section; 1231. an annular cavity; 2. a spiral heating pipe; 3. a top cover; 31. a support plate; 4. a level gauge; 5. a driving motor; 6. a cylindrical gear; 7. a rotating shaft; 8. incomplete gear.

Detailed Description

In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the utility model may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Examples

Referring to fig. 1 to 5, a screw extruder for manufacturing fibers of the present embodiment includes a screw extruder body 1, and a feed hopper 12 is correspondingly installed on a barrel 11 of the screw extruder body 1. It should be noted that, in this embodiment, the structure of the feeding hopper 12 is mainly improved, and the internal structures and the component connections of the screw extruder body 1 and the barrel 11 are all of the prior art, so they will not be described in detail. The feeding hopper 12 sequentially comprises a feeding barrel section 121, a conical section 122 and a discharging section 123 from top to bottom, and the bottom of the discharging section 123 is correspondingly connected with a feeding hole at the top of the barrel 11. The lower part of the feeding barrel section 121 of the feeding hopper 12 is correspondingly provided with a material level indicator 4. The top of the upper charging barrel section 121 of the feeding hopper 12 is correspondingly provided with a top cover 3 which can be opened in a rotating way, one side of the top cover 3 is correspondingly and rotatably arranged on one side of the top of the upper charging barrel section 121 of the feeding hopper 12, and the top cover 3 can be driven to rotate by a driving motor 5. In normal operation, the top cover 3 can seal the top of the feed hopper 12; when the height of the material in the feed hopper 12 is lower than that of the material level gauge 4, the driving motor 5 is started to drive the top cover 3 to rotate and open so as to remind workers of adding the material.

Specifically, the level gauge 4 may directly adopt an existing level gauge, and the specific structure and working principle thereof will not be described herein too much. An L-shaped fixing plate 1211 is correspondingly arranged at one side of the top end of the feeding barrel section 121 of the feeding hopper 12, a rotatable rotating shaft 7 is correspondingly arranged on the L-shaped fixing plate 1211 through a bearing, and the rotating shaft 7 penetrates through the L-shaped fixing plate 1211 and can rotate. One side of the top cover 3 is correspondingly provided with a support plate 31, and the support plate 31 is correspondingly arranged on the rotating shaft 7. The driving motor 5 is correspondingly fixed on one side of the lower part of the L-shaped fixed plate 1211, an incomplete gear 8 is correspondingly arranged on an output shaft at the top of the driving motor 5, a cylindrical gear 6 is correspondingly arranged at the lower end of the rotating shaft 7, and the cylindrical gear 6 is meshed and connected with the incomplete gear 8. The incomplete gear 8 rotates for one circle to enable the cylindrical gear 6 to rotate for half circle, so that the top cover 3 rotates 180 degrees, the driving motor 5 is started to enable the incomplete gear 8 to rotate, the cylindrical gear 6 can be enabled to rotate, so that the top cover 3 rotates, the driving motor 5 can be utilized to drive the top cover 3 to rotate, and the top of the feeding hopper 12 is opened or closed.

Vertical waist-shaped holes are correspondingly formed in the side wall of the upper charging barrel section 121, and transparent glass 1212 is correspondingly arranged in the waist-shaped holes so as to observe the material condition in the upper charging barrel section 121. The top cover 3 can be correspondingly provided with a through hole which penetrates through, and the through hole can be internally correspondingly provided with a dustproof net, so that after the top cover 3 seals the top of the feed hopper 12, the air pressure in the feed hopper 12 is still consistent with the outside, the smooth falling of materials is ensured, and the dustproof net also plays a certain dustproof role.

The annular cavity 1231 is correspondingly arranged in the side wall of the blanking section 123 of the feed hopper 12, the spiral heating pipe 2 is correspondingly arranged in the annular cavity 1231, and two ends of the spiral heating pipe 2 extend out of the side wall of the blanking section 123 and can be connected with an external power supply, so that the problem that the blockage is caused by the local cooling solidification of molten materials in the blanking section 123 in the production process is effectively avoided, and the smooth production process is ensured. A buzzer can be correspondingly arranged on one side of the outer wall of the feeding hopper 12, and the buzzer, the level gauge 4 and the driving motor 5 can be electrically connected with the PLC control system. When the height of the material in the feed hopper 12 is lower than that of the material level indicator 4, the PLC control system receives the signal of the material level indicator 4 and then controls the driving motor 5 to start to rotate the top cover 3 to be opened so as to facilitate the addition of the material by workers; meanwhile, the PLC control system also controls the buzzer to give out warning and reminding, so that workers are prevented from noticing that the top cover 3 is turned and opened, and the situation that materials can be added in time is ensured. After the materials are added, a worker can manually control the PLC control system, start the driving motor 5 to enable the top cover 3 to rotate, and the top of the feed hopper 12 is sealed.

It should be noted that, since the design points and the improvement directions of the present utility model are not related to the structures not described in the present utility model, the structures are the same as or can be realized by adopting the prior art, and the above-mentioned contents belong to the technical knowledge of the inventor, and the technical contents in the field are huge and numerous, so the detailed description is not provided.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A screw extruder for fiber production, characterized in that: the feeding hopper (12) is correspondingly arranged on a machine barrel (11) of the screw extruder body (1); the lower part of the feed hopper (12) is correspondingly provided with a material level gauge (4), the top of the feed hopper (12) is correspondingly provided with a top cover (3) which can be opened in a rotating way, one side of the top cover (3) is rotatably arranged at the top of the feed hopper (12), and the top cover (3) can be driven to rotate by a driving motor (5); when the height of the material in the feed hopper (12) is lower than that of the material level gauge (4), the driving motor (5) is started to drive the top cover (3) to rotate and open.

2. A screw extruder for fiber production according to claim 1, wherein: an L-shaped fixing plate (1211) is correspondingly arranged on one side of the top end of the feed hopper (12), a rotatable rotating shaft (7) is correspondingly arranged on the L-shaped fixing plate (1211), a support plate (31) is correspondingly arranged on one side of the top cover (3), and the support plate (31) is correspondingly arranged on the rotating shaft (7); the driving motor (5) is correspondingly fixed on one side of the lower part of the L-shaped fixing plate (1211), an incomplete gear (8) is correspondingly arranged on an output shaft at the top of the driving motor (5), a cylindrical gear (6) is correspondingly arranged at the lower end of the rotating shaft (7), the cylindrical gear (6) is meshed with the incomplete gear (8), and the top cover (3) can be driven to rotate through the driving motor (5).

3. A screw extruder for fiber production according to claim 2, wherein: the feeding hopper (12) sequentially comprises a feeding barrel section (121), a conical section (122) and a discharging section (123) from top to bottom, the bottom of the discharging section (123) is correspondingly connected with a feeding port at the top of the machine barrel (11), the top cover (3) is correspondingly arranged at the top of the feeding barrel section (121), and the L-shaped fixing plate (1211) is correspondingly arranged at one side of the top end of the feeding barrel section (121); the side wall of the feeding barrel section (121) is correspondingly provided with a vertical waist-shaped hole, and transparent glass (1212) is correspondingly arranged in the waist-shaped hole.

4. A screw extruder for fiber production according to claim 3, wherein: annular cavities (1231) are correspondingly arranged in the side walls of the blanking sections (123) of the feeding hopper (12), and spiral heating pipes (2) are correspondingly arranged in the annular cavities (1231).

5. A screw extruder for fiber production according to claim 1, wherein: the top cover (3) can be correspondingly provided with a through hole which is penetrated, and a dustproof net can be correspondingly arranged in the through hole.

6. A screw extruder for fiber production according to claim 1, wherein: a buzzer can be correspondingly arranged on one side of the outer wall of the feed hopper (12), and when the height of the material in the feed hopper (12) is lower than that of the material level gauge (4), the buzzer can give out warning.