Waste gas treatment device for melt extrusion port of extruder
By incorporating a sliding gas collection hood and a cleaning brush, the problem of full coverage and obstruction in the extruder exhaust gas treatment device is solved, enabling exhaust gas extraction and internal wall cleaning without dead angles, thus improving operational convenience and efficiency.
Patent Information
- Application Number
- CN202520058021.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Existing extruder exhaust gas treatment devices cannot achieve 360-degree all-round coverage, resulting in exhaust gas leakage and easily obstructing operation during line management.
Design a sliding gas collection hood and cleaning brush structure. The gas collection hood can slide along the length of the extruder to achieve 360-degree coverage and is equipped with a suction device and a rotary drive mechanism. The cleaning brush is in close contact with the inner wall of the gas collection hood for cleaning.
It effectively prevents exhaust gas leakage, reduces obstruction, ensures convenient operation, keeps the gas collection hood clean, and improves operating efficiency.
Smart Images
Figure CN223701643U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to extruder waste gas treatment technical field, concretely is a kind of extruder melt material extrusion port waste gas treatment device. BACKGROUND
[0002] Polyester monofilament needs to be added polyester raw material into extruder when producing, is extruded into silk by extruder, then is finally shaped after stretching etc.Program. The waste gas treatment device of existing extruder is mostly fixed hood, and the following several problems can exist when using fixed hood:
[0003] 1, hood is generally arranged at the top or side of extruder extrusion port, and cannot cover 360 degrees all directions to extrusion port, so that waste gas is easily leaked out;
[0004] 2, the thread of polyester monofilament needs to be manually straightened when starting to be extruded from extrusion port, since the position of hood is covered to extrusion port, and is easily shielded when straightening.
[0005] Therefore, the utility model aims at providing a kind of extruder melt material extrusion port waste gas treatment device, which can cover 360 degrees without dead angle to extrusion port during air extraction, and can be moved away from the position of extrusion port during thread straightening, to reduce shielding. UTILITY MODEL CONTENTS
[0006] The utility model aims at the deficiencies of prior art, and provides a kind of extruder melt material extrusion port waste gas treatment device to solve the problems in the background art.
[0007] The utility model provides the following technical scheme: a kind of extruder melt material extrusion port waste gas treatment device, including the hood that is slidably arranged in the length direction in extruder mouth portion, the inside of the hood is equipped with suction port, the outside of the hood is connected with suction device, the suction device is connected with the suction port for extracting the waste gas in the inside of hood;
[0008] It further includes a cleaning brush arranged in the mouth portion of the extruder, which is in close contact with the inner wall of the hood.
[0009] Preferably, the hood is a cylindrical structure, and the driving device is connected between the hood and the extruder, for driving the hood to move in the length direction of the extruder.
[0010] Preferably, the driving device is an electric push rod structure.
[0011] Preferably, the cleaning brush is a circular ring structure rotatably arranged in the mouth portion of the extruder, and a rotary driving mechanism is connected between the cleaning brush and the mouth portion of the extruder.
[0012] Preferably, the rotating driving mechanism comprises a servo motor fixed at the extruder port, a driving gear fixed with the output shaft of the servo motor and a driven gear ring fixed with the cleaning brush.
[0013] Preferably, the air extraction device comprises an air extractor fixed at the outer side of the air collecting cover, the air extractor is connected with an air filter, the inner wall of the air collecting cover is fixed with an annular air extraction pipe, the air extraction port is arranged on the annular air extraction pipe, and the air inlet of the filter is connected with the annular air extraction pipe.
[0014] Preferably, the cleaning brush is a circular ring structure fixed at the extruder port.
[0015] Compared with the prior art, the utility model has the advantages that: the air collecting cover is arranged along the length direction of the extruder, 360-degree dead angle-free coverage of the extrusion port of the extruder is realized during air extraction, waste gas leakage is effectively prevented, the air collecting cover can be moved away from the position of the extrusion port during arrangement of the extruded material, shielding is reduced, and manual operation is facilitated. In addition, the cleaning brush is arranged in close contact with the inner wall of the air collecting cover, the inner wall of the air collecting cover can be automatically wiped during movement of the air collecting cover, dust and impurities attached to the inner wall are effectively removed, and the air collecting cover is kept clean and effectively operated. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model.
[0017] Figure 2 It is another three-dimensional structure schematic view of the utility model.
[0018] Figure 3 It is a three-dimensional structure schematic view of the utility model. Figure 1 It is an enlarged structure schematic view of A in the utility model.
[0019] Figure 4 It is a cleaning brush structure schematic view of the utility model.
[0020] Figure 5 It is a structure schematic view of the third embodiment of the utility model.
[0021] In the drawing: 10, extruder; 20, air collecting cover; 21, air extraction port; 30, air extraction device; 31, air extractor; 32, air filter; 33, annular air extraction pipe; 40, cleaning brush; 41, bearing; 50, driving device; 60, rotating driving mechanism; 61, servo motor; 62, driving gear; 63, driven gear ring; 70, dust cover. DETAILED DESCRIPTION
[0022] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.
[0023] Please refer to Figures 1-5 .
[0024] Embodiment one
[0025] A kind of extruder melt material extrusion port exhaust treatment device, including the gas collecting hood 20 of being slidably arranged in the mouth of extruder 10 along length direction, the inside of gas collecting hood 20 is equipped with suction port 21, gas collecting hood 20 is connected with suction device 30 outside, suction device 30 is connected with suction port 21 for extracting the exhaust gas of the inside of gas collecting hood 20.
[0026] Through the setting of the above structure, when just beginning to extrude melt material, gas collecting hood 20 can be slid to the rear of extrusion port, which facilitates manual arrangement of extruded material, after the arrangement of extruded material is completed, gas collecting hood 20 is covered in the position of extrusion port by sliding, which can cover 360 degrees of extrusion port without dead angle, and the exhaust gas in the inside of gas collecting hood 20 can be extracted by suction device 30.
[0027] In order to facilitate the cleaning of the inner wall of gas collecting hood 20, the exhaust treatment device of the utility model further includes cleaning brush 40 arranged in the mouth of extruder 10, cleaning brush 40 is in close contact with the inner wall of gas collecting hood 20, through the setting of cleaning brush 40, when moving gas collecting hood 20, cleaning brush 40 will wipe the inner wall of gas collecting hood 20, thereby facilitating the cleaning of the inner wall of gas collecting hood 20.
[0028] In the embodiment, gas collecting hood 20 is a cylindrical structure, and gas collecting hood 20 is slidably sleeved outside the extrusion port of extruder 10, driving device 50 is connected between gas collecting hood 20 and extruder 10, driving device 50 can be an electric push rod structure, for driving gas collecting hood 20 to move in the length direction of extruder 10.
[0029] In the embodiment, cleaning brush 40 is a circular ring structure rotatably arranged in the mouth of extruder 10, and rotating drive mechanism 60 is connected between cleaning brush 40 and the mouth of extruder 10, specifically, bearing 41 is fixed to the inside of cleaning brush 40, and cleaning brush 40 is rotatably connected with the extrusion port of extruder 10 through bearing 41, when cleaning gas collecting hood 20, gas collecting hood 20 can be driven to move in the length direction of extruder 10 by driving device 50, at the same time, cleaning brush 40 is driven to rotate by rotating drive mechanism 60, thereby realizing the rapid cleaning of the inner wall of gas collecting hood 20.
[0030] As follows is one specific embodiment of the rotating driving mechanism 60:
[0031] The rotating driving mechanism 60 comprises a servo motor 61 fixed at the mouth of the extruder 10, a driving gear 62 fixed with the output shaft of the servo motor 61, and a driven gear ring 63 fixed with the cleaning brush 40, the driving gear 62 and the driven gear ring 63 are in meshing connection, in use, the external power supply of the servo motor 61 is connected, the driving gear 62 is driven to rotate by the output shaft of the servo motor 61, the driving gear 62 drives the driven gear ring 63 to rotate when rotating, the driven gear ring 63 drives the cleaning brush 40 to rotate when rotating.
[0032] In this embodiment, the air extraction device 30 comprises an air extractor 31 fixed on the outer side of the gas collecting hood 20, the air extractor 31 is connected with an air filter 32, the inner wall of the gas collecting hood 20 is fixed with an annular air extraction pipe 33, the air extraction port 21 is arranged on the annular air extraction pipe 33, and the air extraction ports 21 are uniformly distributed around the center of the annular air extraction pipe 33, the air inlet of the filter 32 is connected with the annular air extraction pipe 33, in use, the external power supply of the air extractor 31 is connected, the air extractor 31 starts to extract air after being powered on, the exhaust gas on the inner side of the gas collecting hood 20 is extracted into the annular air extraction pipe 33 through the air extraction port 21, and then enters the air filter 32 through the annular air extraction pipe 33 for filtration, and is discharged through the exhaust port of the air extractor 31 after filtration.
[0033] Embodiment two
[0034] Different from embodiment one, in this embodiment, the cleaning brush 40 is a circular ring structure fixed at the mouth of the extruder 10.
[0035] Embodiment three
[0036] As shown in Figure 5 embodiment one or embodiment two, the mouth of the gas collecting hood 20 is provided with a dust cover 70, by arranging the dust cover 70, when cleaning the gas collecting hood 20, the dust cover 70 can be covered on the mouth of the gas collecting hood 20 to prevent dust from overflowing outward.
[0037] In use, first, before the molten material starts to extrude from the extrusion port of the extruder 10, the operator can slide the gas hood 20 to the rear of the extrusion port of the extruder 10 through the driving device 50 to reserve enough space for subsequent wire arrangement operation. Then, when the wire head of the molten material starts to extrude from the extrusion port, the operator can manually arrange the wire to ensure that the molten material can be smoothly and neatly extruded. After the wire arrangement is completed, the operator slides the gas hood 20 to the front of the extrusion port again through the driving device 50, so that the cylindrical structure of the gas hood 20 can realize 360-degree dead angle-free coverage of the extrusion port. Subsequently, the air extraction device 30 is started, and the waste gas inside the gas hood 20 is extracted through the annular air extraction pipe 33 and the air extraction port 21 and sent to the air filter 32 for filtering treatment. The filtered waste gas meets the environmental protection requirements and can be safely discharged into the atmosphere. After long-term use, dust and impurities may be attached to the inner wall of the gas hood 20. At this time, the operator can start the rotary driving mechanism 60 to drive the cleaning brush 40 to rotate, and at the same time move the gas hood 20, so that the cleaning brush 40 wipes the inner wall of the gas hood 20, keeping the gas hood 20 clean and efficient.
[0038] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A device for treating exhaust gas from the molten material extrusion outlet of an extruder, characterized in that: It includes a gas collection hood (20) that is slidably disposed at the mouth of an extruder (10) along the length direction. The gas collection hood (20) has an air extraction port (21) on its inner side. An air extraction device (30) is connected to the outside of the gas collection hood (20). The air extraction device (30) is connected to the air extraction port (21) for extracting waste gas from the inside of the gas collection hood (20). It also includes a cleaning brush (40) disposed at the outlet of the extruder (10), the cleaning brush (40) being in close contact with the inner wall of the gas collection hood (20).
2. The extruder molten material extrusion outlet waste gas treatment device according to claim 1, characterized in that: The gas collection hood (20) has a cylindrical structure. A driving device (50) is connected between the gas collection hood (20) and the extruder (10). The driving device (50) is used to drive the gas collection hood (20) to move along the length of the extruder (10).
3. The extruder molten material extrusion outlet exhaust gas treatment device according to claim 2, characterized in that: The drive device (50) is an electric push rod structure.
4. The extruder molten material extrusion outlet exhaust gas treatment device according to claim 2, characterized in that: The cleaning brush (40) is a ring structure that is rotatably mounted at the mouth of the extruder (10), and a rotary drive mechanism (60) is connected between the cleaning brush (40) and the mouth of the extruder (10).
5. The extruder molten material extrusion outlet exhaust gas treatment device according to claim 4, characterized in that: The rotary drive mechanism (60) includes a servo motor (61) fixed at the mouth of the extruder (10), a drive gear (62) fixed to the output shaft of the servo motor (61), and a driven gear ring (63) fixed to the cleaning brush (40). The drive gear (62) and the driven gear ring (63) are meshed together.
6. The extruder molten material extrusion outlet exhaust gas treatment device according to claim 1, characterized in that: The air extraction device (30) includes an air extractor (31) fixed to the outer side of the air collection hood (20), the air extractor (31) is connected to an air filter (32), an annular air extraction pipe (33) is fixed to the inner wall of the air collection hood (20), the air extraction port (21) is opened on the annular air extraction pipe (33), and the air inlet of the filter (32) is connected to the annular air extraction pipe (33).
7. The extruder molten material extrusion outlet exhaust gas treatment device according to claim 1, characterized in that: The cleaning brush (40) is a ring structure fixed at the mouth of the extruder (10).