CN219748915U

CN219748915U - Tail gas filtering mechanism of co-extrusion film blowing machine

Info

Publication number: CN219748915U
Application number: CN202320524371.4U
Authority: CN
Inventors: 龙林; 钟笑笑; 翟大艳; 叶名应
Original assignee: Hefei Ronghe New Materials Technology Co ltd
Current assignee: Hefei Ronghe New Materials Technology Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-09-26
Anticipated expiration: 2033-03-17

Abstract

The utility model discloses a tail gas filtering mechanism of a co-extrusion film blowing machine, which belongs to the field of film blowing tail gas treatment and comprises a film blowing die and a mounting block, wherein an air ring is arranged on the upper surface of the film blowing die, the air ring is concentric with an outlet of the film blowing die, the inside of a main body of the air ring is hollow, a circular ring is arranged on the upper surface of the air ring through a bearing, arc plates are symmetrically arranged on the upper surface of the circular ring, one side of each arc plate close to the center of the circular ring is open, the cross section of each arc plate is U-shaped, air suction holes are uniformly formed in the lower part of the inner part of each arc plate, a plurality of air suction holes are communicated with the air ring, a gear ring is arranged on the outer side of the lower surface of the circular ring, the gear ring is arranged in the inside of the air ring, and an arc air suction plate capable of circularly rotating is arranged at the outlet of the die so as to achieve the purpose of sucking tail gas, the mounting is also convenient, and meanwhile, the inclination angle of a blade can be adjusted through an internal mechanism.

Description

Tail gas filtering mechanism of co-extrusion film blowing machine

Technical Field

The utility model relates to the field of film blowing tail gas treatment, in particular to a tail gas filtering mechanism of a co-extrusion film blowing machine.

Background

The multilayer co-extrusion film is a film which is formed by simultaneously extruding a plurality of plastic raw materials from a die opening through a plurality of runners, so that the advantages of different materials can be exerted, corresponding harmful gases can be generated when the plastic raw materials are melted, the harmful gases can be directly discharged to cause pollution to surrounding air, the health of operators is endangered, therefore, a corresponding tail gas treatment device is required to be arranged during the production of the co-extrusion film, the tail gas is collected, filtered and discharged, the corresponding exhaust pipe is arranged at the die outlet of a film blowing machine, the harmful gases are pumped away, then concentrated filtration treatment is carried out, the whole die of the film blowing machine is cylindrical, and the tail gas can be collected only through the plurality of exhaust pipes arranged around the die, so that the installation and the operation are complicated. .

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a tail gas filtering mechanism of a co-extrusion film blowing machine, which can realize the circulating type extraction of a die outlet, ensure the extraction effect and simultaneously realize more convenient installation and operation.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a crowded membrane inflation film manufacturing machine tail gas filtering mechanism altogether, includes inflation film manufacturing mould and installation piece, inflation film manufacturing mould upper surface is provided with the wind ring, the wind ring is concentric with inflation film manufacturing mould export, the inside cavity of wind ring main part, the ring is installed through the bearing to the wind ring upper surface, ring upper surface symmetry is provided with the arc, the arc is close to ring centre of a circle one side and opens, the arc cross-section is the U type, the suction opening has evenly been seted up to the inside below of arc, a plurality of suction opening bottom all link up with the wind ring, the ring lower surface outside is provided with the ring gear, the ring gear is arranged in the wind ring inside, the butt joint pipe is installed to wind ring outer arc one side, the butt joint pipe sets up perpendicularly with the centre of a circle of wind ring, the butt joint pipe surface is provided with the butt joint board, the butt joint board is through the detachable fixing at wind ring surface of bolt, the inside is installed through the bearing to the inside axle sleeve in ring center, the one end outside of the face of the butt joint pipe is deviate from the butt joint board, gear A is provided with gear A and gear intermeshing.

Further, the installation block is arranged on the inner side of the inner shaft sleeve, which is close to the gear A, and is coaxial with the inner shaft sleeve, and four adjusting blades are symmetrically arranged on the outer circular arc surface of the installation block and the bearing.

Further, the adjusting blade is perpendicular to the axis of the mounting block, and one end of the adjusting blade, which is away from the mounting block, is mounted on the inner wall of the inner shaft sleeve through a bearing.

Further, one end of the adjusting blade is provided with gears B, four gears B are arranged inside the mounting block, a rotating shaft is mounted at one end of the mounting block through a bearing, a fluted disc is arranged on the surface of the rotating shaft, and the fluted disc is meshed with the four gears B.

Further, the square rod is slidably mounted in the rotating shaft, an adjusting wheel is arranged at one end of the square rod, and a spline shaft is arranged at the other end of the square rod.

Further, the adjusting wheel is arranged on the outer side of the mounting block, a spline hole is formed in one end, deviating from the rotating shaft, of the inner wall of the mounting block, and one end, deviating from the square rod, of the spline shaft slides on the inner side of the spline hole.

Further, a spring is sleeved on the surface of the square rod, and the spring is arranged between the rotating shaft and the spline shaft.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that: the utility model provides a tail gas filtering mechanism of a co-extrusion film blowing machine, wherein an arc-shaped air suction plate capable of circularly rotating is arranged at an outlet of a die, so that the purpose of sucking tail gas is achieved, the installation is convenient, meanwhile, the device can adjust the inclination angle of a blade through an internal mechanism, and then the rotating speed of an air ring is adjusted at the same air speed, so that the device is suitable for different working environments.

Drawings

FIG. 1 is an overall schematic of the present utility model;

FIG. 2 is a schematic view of a connecting cross-section structure of a wind ring and an arc plate of the utility model;

FIG. 3 is a schematic view of the overall structure of the inner hub of the present utility model;

FIG. 4 is a schematic cross-sectional view of an inner hub according to the present utility model;

fig. 5 is an enlarged schematic view of the area a of fig. 4 according to the present utility model.

The reference numerals in the figures illustrate:

1. film blowing mould; 2. a wind ring; 3. a circular ring; 4. an arc-shaped plate; 5. an air suction hole; 6. a gear ring; 7. a butt joint pipe; 8. an abutting plate; 9. an inner sleeve; 10. a gear A; 11. a mounting block; 12. adjusting the blade; 13. a gear B; 14. a rotating shaft; 15. fluted disc; 16. a spline hole; 17. square rods; 18. an adjusting wheel; 19. a spline shaft; 20. and (3) a spring.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Example 1:

referring to fig. 1-3, a tail gas filtering mechanism of a co-extrusion film blowing machine comprises a film blowing mold 1 and a mounting block 11, wherein an air ring 2 is arranged on the upper surface of the film blowing mold 1, the air ring 2 is concentric with an outlet of the film blowing mold 1 to ensure that the inner side of the air ring 2 is hollow and is in a ring shape, so that the co-extrusion film after film blowing is conveniently discharged, the inner part of a main body of the air ring 2 is hollow, the upper surface of the air ring 2 is provided with a ring 3 through a bearing, the ring 3 seals the upper surface of the air ring 2 and can rotate relatively, the air ring 2 and the film blowing mold 1 are fixedly arranged, arc plates 4 are symmetrically arranged on the upper surface of the ring 3, the area corresponding to the co-extrusion film can be increased by the arc plates 4, the air exhausting effect is ensured, meanwhile, gaps exist between the arc plates 4 and the co-extrusion film during air exhausting, and air flow can enter the inner side of the arc plates 4 through the upper part and the two side intervals, the arc plate 4 is open near one side of the circle center of the circular ring 3, the cross section of the arc plate 4 is U-shaped, the air suction holes 5 are uniformly formed below the inner part of the arc plate 4, the bottoms of the air suction holes 5 are communicated with the air ring 2, the air suction holes 5 are sucked through the air ring 2 when connected with an exhaust fan, a gear ring 6 is arranged outside the lower surface of the circular ring 3, the gear ring 6 is arranged inside the air ring 2, a butt joint pipe 7 is arranged on one side of the outer circular surface of the air ring 2, the butt joint pipe 7 is perpendicular to the circle center of the air ring 2, a butt joint plate 8 is arranged on the surface of the butt joint pipe 7, the butt joint plate 8 is detachably fixed on the surface of the air ring 2 through bolts, an inner shaft sleeve 9 is arranged on the inner side of one end of the butt joint pipe 7 through a bearing, the inner shaft sleeve 9 can rotate relative to the butt joint pipe 7, the inner shaft sleeve 9 is fixedly arranged inside the air ring 2, the outer side of one end surface of the inner shaft sleeve 9, which is away from the butt joint pipe 7, is provided with a gear A10, the gear A10 is meshed with the gear ring 6, and the circular rotation of the circular ring 3 during air pumping is realized through the meshing of the gear A10 and the gear ring 6.

Referring to fig. 3 and 4, the mounting block 11 is disposed on the inner side of the inner sleeve 9 near the gear a10, and the mounting block 11 is concentric with the inner sleeve 9 to ensure stability of the adjusting blade 12, and four adjusting blades 12 are symmetrically mounted on the outer arc surface of the mounting block 11 with bearings, and the adjusting blade 12 can rotate to adjust the inclination angle of the adjusting blade 12, and the adjusting blade 12 is perpendicular to the axis of the mounting block 11.

Referring to fig. 5, one end of the adjusting vane 12, which is away from the mounting block 11, is mounted on the inner wall of the inner sleeve 9 through a bearing, one end of the adjusting vane 12 is provided with gears B13, four gears B13 are all disposed inside the mounting block 11, one end of the mounting block 11 is provided with a rotating shaft 14 through the bearing, the surface of the rotating shaft 14 is provided with a fluted disc 15, the fluted disc 15 is driven to rotate through the rotating shaft 14, the tooth direction of the fluted disc 15 is parallel to the axis of the rotating shaft 14, and the fluted disc 15 is meshed with the four gears B13, so as to control the four adjusting vanes 12 simultaneously, and ensure that the inclination directions of the adjusting vanes 12 are corresponding.

Wherein, sliding mounting has square pole 17 in pivot 14, square pole 17 can take place to slide along pivot 14, but can not take place relative rotation, square pole 17 one end is provided with adjustment wheel 18, and square pole 17 other end is provided with spline shaft 19, the adjustment wheel 18 is arranged in the installation piece 11 outside, be convenient for control adjustment wheel 18 through the outside, the spline hole 16 has been seted up to the one end that installation piece 11 inner wall deviates from pivot 14, spline shaft 19 deviates from the one end of square pole 17 and slides in spline hole 16 inboard, in order to guarantee the stability of pivot 14 through the cooperation between them, and then guarantee the stability of four adjustment blade 12 angles, square pole 17 surface cover is equipped with spring 20, spring 20 is arranged in between pivot 14 and the spline shaft 19, spring 20 can guarantee the auto-lock after the adjustment.

When in use: firstly, the wind ring 2 is fixedly arranged on the upper side of the film blowing die 1, the upper side and the lower side of the film blowing die are coaxial, the stability of the butt joint pipe 7 is ensured through bolts, then the air suction filtering equipment is communicated with the butt joint pipe 7 for air suction, air at the outlet of the film blowing die 1 can move inwards through the inward opening of the arc plate 4 and flow into the wind ring 2 through the air suction holes 5, thereby the wind ring 7 flows outwards, the inner shaft sleeve 9 rotates relative to the butt joint pipe 7 in the air flowing process due to the matching of the air circulation in the inner shaft sleeve 9 and the adjusting blades 12, the gear A10 is driven to rotate, the gear A10 is meshed with the gear ring 6 mutually, the ring 3 is driven to rotate, the rotation between the two arc plates 4 is realized, the air suction of multiple angles is realized, meanwhile, the end part of the spline shaft 19 is always matched with the spline hole 16, the fixing of the square rod 17 and the rotating shaft 14 is ensured, the inclined angle of the adjusting blades 12 is fixed, the square rod 17 and the rotating shaft 19 can be driven by the external pulling adjusting wheel 18, the spline shaft 19 is not matched with the spline hole 14, the spline shaft 19 is driven by the rotating shaft 19, and the spline shaft 19 is not matched with the spline hole 14, and the spline shaft 19 is rotated, and the spline shaft is 13 is rotated, and the spline is rotated.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The utility model provides a crowded membrane inflation film manufacturing machine tail gas filtering mechanism altogether, includes inflation film manufacturing mould (1) and installation piece (11), its characterized in that: the utility model discloses a wind turbine, including blowing film mould (1), wind ring (2), ring (3) are installed through the bearing to wind ring (2) main part inside cavity, wind ring (2) upper surface, ring (3) upper surface symmetry is provided with arc (4), arc (4) are close to ring (3) centre of a circle one side and open, arc (4) cross-section is U-shaped, wind suction hole (5) have evenly been seted up to arc (4) inside below, a plurality of wind suction hole (5) bottom all link up with wind ring (2), ring (3) lower surface outside is provided with ring gear (6), ring gear (6) are arranged in wind ring (2) inside, wind ring (2) cambered surface one side is installed butt joint pipe (7), butt joint pipe (7) are perpendicular with the centre of a circle of ring (2) and are set up, butt joint pipe (7) surface is provided with butt joint pipe (8), through the inside fixed axle sleeve (9) of wind ring (2) are arranged in through the inside through ring (7) inner shaft sleeve (9), the outer side of one end surface of the inner shaft sleeve (9) facing away from the butt joint pipe (7) is provided with a gear A (10), and the gear A (10) is meshed with the gear ring (6).

2. The tail gas filtering mechanism of the co-extrusion film blowing machine according to claim 1, wherein: the installation block (11) is arranged on the inner side of the inner shaft sleeve (9) close to the gear A (10), the installation block (11) and the inner shaft sleeve (9) are coaxial, and four adjusting blades (12) are symmetrically arranged on the outer arc surface of the installation block (11) and the bearing.

3. The tail gas filtering mechanism of the co-extrusion film blowing machine according to claim 2, wherein: the adjusting blade (12) is perpendicular to the axis of the mounting block (11), and one end of the adjusting blade (12) deviating from the mounting block (11) is mounted on the inner wall of the inner shaft sleeve (9) through a bearing.

4. A co-extrusion film blowing machine tail gas filtering mechanism according to claim 3, wherein: the adjusting blade (12) one end is provided with gear B (13), four gear B (13) are all arranged in installation piece (11), pivot (14) are installed through the bearing to installation piece (11) one end, pivot (14) surface is provided with fluted disc (15), fluted disc (15) and four gear B (13) intermeshing.

5. The tail gas filtering mechanism of the co-extrusion film blowing machine according to claim 4, wherein: the square rod (17) is slidably mounted in the rotating shaft (14), an adjusting wheel (18) is arranged at one end of the square rod (17), and a spline shaft (19) is arranged at the other end of the square rod (17).

6. The tail gas filtering mechanism of the co-extrusion film blowing machine according to claim 5, wherein: the adjusting wheel (18) is arranged on the outer side of the mounting block (11), a spline hole (16) is formed in one end, deviating from the rotating shaft (14), of the inner wall of the mounting block (11), and one end, deviating from the square rod (17), of the spline shaft (19) slides on the inner side of the spline hole (16).

7. The tail gas filtering mechanism of the co-extrusion film blowing machine as set forth in claim 6, wherein: the surface of the square rod (17) is sleeved with a spring (20), and the spring (20) is arranged between the rotating shaft (14) and the spline shaft (19).