CN220276606U

CN220276606U - Exhaust device of extruder

Info

Publication number: CN220276606U
Application number: CN202321147259.XU
Authority: CN
Inventors: 何国标
Original assignee: Nanjing Shunyou Electromechanical Equipment Co ltd
Current assignee: Nanjing Shunyou Electromechanical Equipment Co ltd
Priority date: 2023-05-13
Filing date: 2023-05-13
Publication date: 2024-01-02
Anticipated expiration: 2033-05-13

Abstract

The utility model discloses an exhaust device of an extruder, which comprises a mounting seat, a filter box, a spray box, an inserting type filter structure, an auxiliary fixing structure and a spray dust removing structure, wherein the filter box and the spray box are both arranged on the upper end surface of the mounting seat, an air inlet pipe is arranged at one side of the filter box, a box door is arranged at one side of the filter box, the box door is in sealed connection with the filter box when the box door is closed, a penetrating insertion groove is formed in the top of the filter box, the filter box is communicated with the spray box through an air guide pipe, and an inlet pipe is arranged at the top of the spray box. The filter screen plate is more convenient to detach and mount, the detachment and mounting working efficiency is improved, the mounting and fixing structure is simple in structure, the processing and the assembly process are easy, meanwhile, the exhaust gas discharged by the extruder can be subjected to better double filtration treatment, the exhaust gas filtration effect is effectively improved, and the overall practicability is higher.

Description

Exhaust device of extruder

Technical Field

The utility model relates to the related technical field of extruders, in particular to an exhaust device of an extruder.

Background

The screw extruder relies on pressure and shearing force that the screw rotation produced, can make the material fully carry out plasticization and even mixing, through the bush shaping, and plastics extruder can be basically categorized into twin-screw extruder, single screw extruder, multiple screw extruder and no screw extruder, and the range of application of extruder is very extensive, and the extruder needs to discharge waste gas at the during operation, and this just needs to use exhaust apparatus to carry out filtration treatment to the particulate matter waste residue in the waste gas, as follows.

Through retrieving, grant the patent of publication number CN218166286U, disclose the exhaust apparatus of an extruder, to current problem, now propose following scheme, it includes the extruder body, fixedly be provided with the outlet duct on the extruder body, fixedly be provided with the exhauster on the extruder body, exhauster and outlet duct fixed intercommunication, fixedly communicate on the exhauster has the gas-supply pipe, the outside of gas-supply pipe is fixedly provided with the rose box, the mounting hole has been seted up to one side of rose box, install the mounting bracket in the mounting hole, the mounting bracket internal fixation is provided with the filter screen, set up the side groove on the inner wall of mounting hole, the rotation is provided with the screw mandrel in the side groove, the outside thread bush of screw mandrel is equipped with the sliding plate, can conveniently discharge material waste residue in the utility model to can conveniently dismantle and install the filter screen, conveniently change the filter screen when the filter screen blocks up.

However, the above patent also has the following optimizations:

it all needs to rotate the screw thread axle when dismantling and installing the filter screen, it removes to drive the sliding plate by the screw thread axle, sliding plate removes cooperation rack and gear and drives the cardboard and rotate, thereby make the cardboard drive the arc pole and rotate, loosen the location to its outside mounting bracket of filter screen, then just can take mounting bracket and filter screen out, clear up or change it and handle, its overall structure is too complicated, lead to its processing technology and assembly process all comparatively complicated, and the rotation of threaded rod still waste time and energy, lead to dismantling and follow-up installation all comparatively laborious, have great optimizing space, secondly, it is nevertheless the great waste residue granule in the filtration waste gas that can be fine, but be difficult to fine carry out filtration treatment to less dust granule, the filter effect is general.

Disclosure of Invention

The utility model aims to provide an exhaust device of an extruder, which aims to solve the problems that when a filter screen is dismounted and mounted, a threaded shaft is required to be rotated, a sliding plate is driven to move by the threaded shaft, and the sliding plate is matched with a rack and a gear to drive a clamping plate to rotate, so that the clamping plate drives an arc-shaped rod to rotate, the positioning of an outer mounting frame of the filter screen is released, then the mounting frame and the filter screen can be pulled out for cleaning or replacing, the whole structure is too complicated, the processing technology and the assembly technology of the filter screen are complicated, the rotation of a threaded rod is time-consuming and labor-consuming, the dismounting and the subsequent mounting are laborious, a large optimization space is provided, and the filter device is difficult to filter relatively small dust particles, and the filtering effect is general.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an extruder exhaust apparatus, includes mount pad, rose box, spray case, cartridge formula filtration, auxiliary fixed knot structure and sprays dust removal structure, rose box and spray the case and all install in the upper end surface department of mount pad, one side department of rose box is equipped with the intake pipe, the rose box is equipped with the chamber door in one side department that is equipped with the intake pipe, be sealed connection between chamber door and the rose box when closing, the insertion groove that runs through has been seted up to the top department of rose box, communicate through the air duct between rose box and the spray case, the top department of spray case is equipped with the inlet tube, spray the case and be equipped with blast pipe and blow off pipe in one side department of keeping away from the rose box, blow off pipe department is equipped with the valve, cartridge formula filtration is installed in the inside of rose box through the insertion groove movable insertion, auxiliary fixed knot structure installs in the top department of rose box, spray dust removal structure installs in back one side and top department of spray case.

Preferably, the cartridge type filter structure comprises two groups of positioning blocks and a filter screen plate, wherein the two groups of positioning blocks are arranged at the bottom end of the inside of the filter tank, a distance is reserved between the two positioning blocks in the same group, the filter screen plate is inserted into the inside of the filter tank through an insertion groove, the bottom of the filter screen plate is positioned between the two groups of positioning blocks, a flat plate is arranged at the top of the filter screen plate, a sealing cushion layer is attached to the periphery of the filter screen plate, the sealing cushion layer is attached to the top of the filter tank, a vertical plate is arranged at the top of the flat plate, and a positioning groove and a holding groove are formed in the vertical plate.

Preferably, the auxiliary fixing structure comprises a fixing plate, a pull rod, an abutting plate and a spring, wherein the fixing plate is fixedly arranged at the top of the filter box, one end of the pull rod movably penetrates through the fixing plate, the pull rod is clamped with the positioning groove, the abutting plate is fixedly sleeved at the outer part of the pull rod, the spring is movably sleeved at the outer part of the pull rod, and two ends of the spring are fixedly connected with the fixing plate and the abutting plate respectively.

Preferably, the spray dust removing structure comprises a circulating pipe, a spray plate and a circulating pump, wherein two ends of the circulating pipe are respectively communicated and connected with one side of the back of the spray box close to the bottom of the circulating pipe and the top of the spray box, one end of the circulating pipe, which is communicated with the top of the spray box, extends into the interior of the spray box, the top of the spray plate is communicated and connected with the circulating pipe, the circulating pump is arranged at one end of the circulating pipe, which is close to one side of the back of the spray box, and an interception filter screen cover is arranged at the bottom of the interior of the spray box, which is close to the circulating pipe.

Preferably, the inside oblique angle of spray box is equipped with the guide plate, the bottom height of guide plate is less than the spray plate, the guide plate is close to the air duct.

Preferably, a transparent glass observation port is arranged at the front side of the spray box.

The utility model provides an exhaust device of an extruder, which has the following beneficial effects:

according to the utility model, the mounting seat, the filter box, the spray box, the plug-in type filter structure, the auxiliary fixing structure and the spray dust removing structure are arranged, so that when the device works, the filter box is matched with the plug-in type filter structure to carry out primary waste residue particle filtering treatment on waste gas, then the spray box is matched with the spray dust removing structure to carry out spray dust removing treatment on fine dust particles in the waste gas, and finally clean air is discharged, so that the filtering effect on waste residue particles in the waste gas can be effectively improved, when the filter screen plate is required to be cleaned, the pull rod can be pulled up to directly lift and detach the filter screen plate, the subsequent installation is the same, the device is reverse in operation, time and labor are saved, the efficiency is high, the structure is simple, the difficulty in processing and assembling processes is low, and the practicability of the device is effectively improved as a whole.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic top view of the filter box of the present utility model;

FIG. 3 is a schematic side view of a screen panel of the present utility model;

FIG. 4 is a schematic illustration of the side sectional construction of the circulation tube of the present utility model;

FIG. 5 is a schematic diagram of the front view of the spray box of the present utility model;

fig. 6 is an enlarged schematic view at a in fig. 1.

In the figure: 1. a mounting base; 2. a filter box; 3. a spray box; 4. an air inlet pipe; 5. a door; 6. an insertion groove; 7. an air duct; 8. a water inlet pipe; 9. an exhaust pipe; 10. a blow-down pipe; 11. a positioning block; 12. a filter screen plate; 13. a flat plate; 14. a sealing cushion layer; 15. a riser; 16. a positioning groove; 17. a holding groove; 18. a fixing plate; 19. a pull rod; 20. an abutting plate; 21. a spring; 22. a circulation pipe; 23. a spray plate; 24. a circulation pump; 25. intercepting a filter screen cover; 26. a deflector; 27. a glass viewing port.

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.

As shown in fig. 1-6, the present utility model provides a technical solution: the utility model provides an extruder exhaust apparatus, includes mount pad 1, rose box 2, spray box 3, cartridge formula filtration, auxiliary fixed knot construct and sprays dust removal structure, rose box 2 and spray box 3 all install in the upper end surface department of mount pad 1, one side department of rose box 2 is equipped with intake pipe 4, rose box 2 is equipped with chamber door 5 in one side department that is equipped with intake pipe 4, chamber door 5 is sealed with rose box 2 when closing, insert groove 6 that runs through has been seted up in the top department of rose box 2, communicate through air duct 7 between rose box 2 and the spray box 3, the top department of spray box 3 is equipped with inlet tube 8, spray box 3 is equipped with blast pipe 9 and blow off pipe 10 in one side department of keeping away from rose box 2, blow off pipe 10 department is equipped with the valve, cartridge formula filtration is installed in the inside of rose box 2 through insert groove 6 movable insertion, auxiliary fixed knot constructs installs in the top department of rose box 2, spray dust removal structure installs in the back one side and the top department of case 3.

The plug-in type filter structure comprises two positioning blocks 11 and a filter screen plate 12, wherein the two positioning blocks 11 are arranged, the two positioning blocks 11 are arranged at the bottom end of the interior of the filter tank 2, a space is reserved between the two positioning blocks 11 in the same group, the filter screen plate 12 is inserted into the interior of the filter tank 2 through an insertion groove 6, the bottom of the filter screen plate 12 is positioned between the two groups of positioning blocks 11, a flat plate 13 is arranged at the top of the filter screen plate 12, a sealing cushion layer 14 is attached to the periphery of the filter screen plate 12 at the bottom of the flat plate 13, the sealing cushion layer 14 is attached to the top of the filter tank 2, a vertical plate 15 is arranged at the top of the flat plate 13, and a positioning groove 16 and a holding groove 17 are reserved at the vertical plate 15, so that during operation, larger waste residue particles in waste gas can be intercepted and filtered through the filter screen plate 12;

the auxiliary fixing structure comprises a fixing plate 18, a pull rod 19, an abutting plate 20 and a spring 21, wherein the fixing plate 18 is fixedly arranged at the top of the filter box 2, one end of the pull rod 19 movably penetrates through the fixing plate 18, the pull rod 19 is clamped with the positioning groove 16, the abutting plate 20 is fixedly sleeved at the outer part of the pull rod 19, the spring 21 is movably sleeved at the outer part of the pull rod 19, and two ends of the spring 21 are respectively fixedly connected with the fixing plate 18 and the abutting plate 20, so that the pull rod 19 can be separated from the positioning groove 16 by pulling up, the filter screen plate 12 can be directly lifted and detached, and the filter screen plate is cleaned or replaced, so that the filter screen plate is time-saving, labor-saving and high in efficiency;

the spray dust removing structure comprises a circulating pipe 22, a spraying plate 23 and a circulating pump 24, wherein two ends of the circulating pipe 22 are respectively communicated and connected with the position, close to the bottom, of the back side of the spraying box 3 and the position, close to the top, of the spraying box 3, one end, communicated with the position, of the circulating pipe 22 extends into the interior of the spraying box 3, the top of the spraying plate 23 is communicated and connected with the circulating pipe 22, the circulating pump 24 is arranged at one end, close to the back side of the spraying box 3, of the circulating pipe 22, an interception filter screen cover 25 is arranged at the position, close to the circulating pipe 22, of the inner bottom end of the spraying box 3, so that when waste gas enters the spraying box 3, clear water added in advance in the spraying box 3 can be pumped to the position of the spraying plate 23 through the circulating pump 24 in cooperation with the circulating pipe 22, and the spraying plate 23 performs clear water spraying to form circulating spraying, so that sprayed water and fine dust particles in waste gas passing through the spraying are mixed and then drop into the spraying box 3, the purpose of dust removing is achieved, and the filtering effect of waste gas is further improved;

the inside oblique angle of spray box 3 is equipped with guide plate 26, the bottom height of guide plate 26 is less than spray plate 23, guide plate 26 is close to air duct 7, makes can carry out water conservancy diversion drainage to the waste gas that gets into in the spray box 3 through guide plate 26, ensures that waste gas can mix with shower water and removes dust;

the front department of spray box 3 is equipped with transparent glass viewing aperture 27 for the staff of being convenient for observes the inside liquid level height of spray box 3, avoids liquid level height higher and influences normal work.

Working principle: when the device works, the air inlet pipe 4 can be connected with the air outlet end of the extruder, after waste gas enters the filter tank 2, larger waste residue particles in the waste gas can be intercepted and filtered through the filter screen plate 12, then the waste gas can enter the spray tank 3 through the air guide pipe 7, at the moment, the device can work through the circulating pump 24 and is matched with the circulating pipe 22, clear water added in the spray tank 3 in advance is pumped to the spray plate 23, the spray plate 23 sprays the clear water to form circulating spray, so that spray water and fine dust particles in the passing waste gas are mixed and then drop into the spray tank 3, the purpose of spraying and dedusting is achieved, the filtering effect of the waste gas is further improved, and when the filter screen plate 12 is required to be cleaned or replaced, the filter screen plate 12 is required to be pulled up and separated from the positioning groove 16, the filter screen plate 12 can be directly lifted up for cleaning or replacement, time and labor are saved, and the efficiency is high.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an extruder exhaust apparatus, includes mount pad (1), rose box (2), spray box (3), cartridge formula filtration, auxiliary fixed knot structure and sprays dust removal structure, its characterized in that: the utility model discloses a dust removal device, including filter cabinet (2), spray box (3), filter cabinet (2), inlet pipe (4) are all installed in the upper end surface department of mount pad (1), one side department of filter cabinet (2) is equipped with inlet pipe (4), one side department that is equipped with inlet pipe (4) is equipped with chamber door (5) of filter cabinet (2), chamber door (5) are sealed when closing with filter cabinet (2) between, insert groove (6) that run through have been seted up in the top department of filter cabinet (2), communicate through air duct (7) between filter cabinet (2) and spray box (3), the top department of spray box (3) is equipped with inlet tube (8), spray box (3) are equipped with blast pipe (9) and blow off pipe (10) in one side department of filter cabinet (2), blow off pipe (10) department is equipped with the valve, cartridge formula filtration is installed in the inside of filter cabinet (2) through insert groove (6) movable insertion, supplementary fixed knot constructs installs in the top department of filter cabinet (2), spray box (3) one side and the back of spray box (3).

2. An extruder vent apparatus according to claim 1, wherein: cartridge formula filtration includes locating piece (11) and filter screen plate (12), locating piece (11) are equipped with two sets of, two sets of inside bottom department in rose box (2) is all installed to locating piece (11), is equipped with the interval between two same locating pieces (11), filter screen plate (12) insert to rose box (2) inside through insert groove (6), just the bottom of filter screen plate (12) is located between two sets of locating pieces (11), the top department of filter screen plate (12) is equipped with dull and stereotyped (13), the laminating of department is equipped with sealing cushion layer (14) around filter screen plate (12) in the bottom of dull and stereotyped (13), sealing cushion layer (14) are laminated with the top department of rose box (2), the top department of dull and stereotyped (13) is equipped with riser (15), locating slot (16) and holding groove (17) have been seted up to riser (15) department.

3. An extruder vent apparatus according to claim 1, wherein: the auxiliary fixing structure comprises a fixing plate (18), a pull rod (19), an abutting plate (20) and a spring (21), wherein the fixing plate (18) is fixedly arranged at the top of the filter box (2), one end of the pull rod (19) movably penetrates through the fixing plate (18), the pull rod (19) is clamped with the positioning groove (16), the abutting plate (20) is fixedly sleeved at the outer part of the pull rod (19), the spring (21) is movably sleeved at the outer part of the pull rod (19), and two ends of the spring (21) are fixedly connected with the fixing plate (18) and the abutting plate (20) respectively.

4. An extruder vent apparatus according to claim 1, wherein: the utility model provides a spray dust removal structure includes circulating pipe (22), spray board (23) and circulating pump (24), the both ends of circulating pipe (22) are close to its bottom with the back one side of spray case (3) respectively and spray the top department intercommunication of case (3) and be connected, the one end that circulating pipe (22) and spray case (3) top department communicate extends to in the inside of case (3), the top and the circulating pipe (22) intercommunication of spray board (23) are connected, circulating pump (24) are installed in circulating pipe (22) and are close to the one end department of spray case (3) back one side, the inside bottom of spray case (3) is being equipped with interception filter screen cover (25) in being close to circulating pipe (22) department.

5. An extruder vent apparatus as set forth in claim 4 wherein: the inside oblique angle of spray box (3) is equipped with guide plate (26), the bottom height of guide plate (26) is less than spray plate (23), guide plate (26) is close to air duct (7).

6. An extruder vent apparatus as set forth in claim 4 wherein: the front of the spray box (3) is provided with a transparent glass observation port (27).