CN215039548U - Online cleaning device for cold drum oligomeric dirt - Google Patents
Online cleaning device for cold drum oligomeric dirt Download PDFInfo
- Publication number
- CN215039548U CN215039548U CN202121676117.3U CN202121676117U CN215039548U CN 215039548 U CN215039548 U CN 215039548U CN 202121676117 U CN202121676117 U CN 202121676117U CN 215039548 U CN215039548 U CN 215039548U
- Authority
- CN
- China
- Prior art keywords
- air suction
- roller
- cold drum
- suction nozzle
- dust removal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model discloses an online cleaning device for cold drum low polymer dirt, wherein an air suction and dust removal device is arranged on one side of a cold drum positioned above a leading roller, and is fixed through a bracket; the air suction and dust removal device comprises an upper air suction nozzle, a dust removal roller and a lower air suction nozzle which are sequentially arranged from top to bottom, the upper air suction nozzle and the lower air suction nozzle are both connected with a vacuum pump, and an air outlet of the vacuum pump is provided with a dust collection bag; the upper air suction nozzle, the lower air suction nozzle and the surface of the cold drum have a distance; the dust removal roller includes center pin and the commentaries on classics roller of cover on the center pin, changes the roller and be hollow structure, and the outer wall of changeing the roller is equipped with evenly to be arranged the apopore, and the parcel of changeing roller outer wall has the sponge layer, changes and connects the inlet tube through rotary joint on the roller. The utility model discloses in through upper and lower twice induced draft and the cleaning of middle dust removal roller, make just congeal and fall and condense thoroughly clear away at the oligomer dirt on cold drum surface, guarantee that cold drum working face is clean, guarantee through the surface quality of cold drum surface shaping sheet.
Description
Technical Field
The utility model relates to an oligomeric dirt belt cleaning device field especially relates to an oligomeric dirt online clearing device of cold drum.
Background
The polyester film is prepared by melting and plasticizing of an extruder, casting of a die head, cold drum casting, stretching and drawing and curling, in the melting and plasticizing and casting processes, polyester macromolecules are heated, stressed, trace moisture, impurities and the like, so that the problems of thermal degradation, thermal-oxidative degradation, thermal hydrolysis and the like can occur, a certain amount of decomposition products, namely oligomers are generated, the oligomers are dispersed into the surrounding environment of a production line along with hot gas discharged by a reaction system, the white solid powder is condensed by cooling and adhered to the surface of equipment or a pipeline, the production environment is polluted, and a large amount of accumulated oligomers can pollute a film product through contact, so that the defect of the film is caused.
The cold drum is used as the first low-temperature forming device contacted with the polyester film formed by the flat film method after high-temperature plasticizing, and the polyester material is changed into a cooled and hardened solid from a high-temperature melt. In this process, relatively much of the degradation-produced oligomer is volatilized into the environment with the high temperature melt and condensed on the cold drum surface and peripheral equipment by cooling, where the polyester oligomer creates more processing area. If not removed in a timely manner, the more oligomer build-up, the more oligomer fouling the cold drum surface can contaminate sheets formed by sheet casting on the cold drum surface, and the later stretched formed film product.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cold drum low polymer dirt online clearing device.
The utility model discloses an innovation point lies in through upper and lower twice induced draft and cleaning of middle dust removal roller, makes just congeal and falls and has condensed the oligomer dirt on cold drum surface thoroughly clear away, and the guarantee cold drum working face is clean, guarantees the surface quality through cold drum surface shaping sheet.
In order to realize the purpose of the utility model, the technical proposal of the utility model is that:
an online cleaning device for cold drum low polymer dirt comprises a cold drum, wherein a leading-off roller is arranged on one side of the cold drum, an air suction and dust removal device is arranged on one side, located on the leading-off roller, of the cold drum, the air suction and dust removal device is located above the leading-off roller, and the air suction and dust removal device is fixed through a support; the air suction and dust removal device comprises an upper air suction nozzle, a dust removal roller and a lower air suction nozzle which are sequentially arranged from top to bottom, the upper air suction nozzle and the lower air suction nozzle are both connected with a vacuum pump, and an air outlet of the vacuum pump is provided with a dust collection bag; the length directions of the upper air suction nozzle, the dust removing roller and the lower air suction nozzle are all parallel to the axial direction of the cold drum, and a space exists between the upper air suction nozzle and the surface of the cold drum and between the lower air suction nozzle and the surface of the cold drum; the dust removal roller includes center pin and the cover and changes the roller on the center pin, it is hollow structure to change the roller, the outer wall that changes the roller is equipped with evenly to have arranged the apopore, it has the sponge layer to change roller outer wall parcel, changes and connects the inlet tube through rotary joint on the roller, is equipped with adjusting valve on the inlet tube, interval between dust removal roller and the cold drum is less than the thickness on sponge layer.
Further, the upper air suction nozzle and the lower air suction nozzle are in a flat duckbill shape.
Furthermore, soft rubber tongue covers are arranged above the upper air suction nozzle and the lower air suction nozzle and are lapped on the surface of the cold drum. The soft rubber tongue covers the surface of the cold drum to prevent blown oligomer from jumping to the upper part of the air suction opening and rub the surface of the cold drum along with the rotation of the cold drum to help clean residual dirt on the surface.
Furthermore, a screw rod linear guide rail is horizontally arranged on the support, and the direction of the screw rod linear guide rail is vertical to the axial direction of the cold drum. The distance between the upper air suction nozzle and the lower air suction nozzle from the surface of the cold drum can be adjusted according to the condition, and the sponge layer is replaced in addition.
Furthermore, the diameter of the water outlet hole is 0.6-0.8 mm.
Furthermore, the center shaft is of a hollow structure, and a cooling water inlet and a cooling water outlet are respectively arranged at two ends of the center shaft. The flow of the cooling water is controlled, the temperature consistency of the cleaning solution in the dust removing roller is adjusted and kept, and the influence of the dust removing roller on the surface temperature of the cold drum is reduced.
Further, the rotating direction of the dust removing roller is opposite to the rotating direction of the cold drum. The cleaning effect is better.
The utility model has the advantages that:
1. the utility model discloses in through upper and lower twice induced draft and the cleaning of middle dust removal roller, make just congeal and fall and condense thoroughly clear away at the oligomer dirt on cold drum surface, guarantee that cold drum working face is clean, guarantee through the surface quality of cold drum surface shaping sheet.
2. The utility model discloses in take on cold drum surface through soft rubber tongue lid, block that the oligomer that blows up jumps to the inlet scoop top to along with cold drum rotation friction cold drum surface, help cleaing away the surperficial dirt that remains.
3. The utility model discloses in through leading to the cooling water in the center pin, through the flow of control cooling water, the temperature uniformity of the inside washing liquid of dust removal roller is adjusted and kept, reduces the influence of dust removal roller to cold drum surface temperature.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Example 1: as shown in fig. 1, the online cleaning device for the cold drum low polymer dirt comprises a cold drum 1, wherein a leading-off roller 2 is arranged on one side of the cold drum 1, an air suction dust removal device 3 is arranged on one side of the leading-off roller 2 of the cold drum 1, the air suction dust removal device 3 is arranged above the leading-off roller 2, and the air suction dust removal device 3 is fixed through a support 4; the bracket 4 is provided with a screw rod linear guide rail 13 which is horizontally arranged, and the direction of the screw rod linear guide rail 13 is vertical to the axial direction of the cold drum 1. The induced draft dust collector 3 comprises an upper induced draft nozzle 5, a dust removing roller 6 and a lower induced draft nozzle 7 which are sequentially arranged from top to bottom, the upper induced draft nozzle 5 and the lower induced draft nozzle 7 are in a flat duckbill shape, the upper induced draft nozzle 5 and the lower induced draft nozzle 7 are both connected with a vacuum pump 8, and an air outlet of the vacuum pump 8 is provided with a dust bag 14; the length directions of the upper air suction nozzle 5, the dust removing roller 6 and the lower air suction nozzle 7 are all parallel to the axial direction of the cold drum 1, and a distance exists between the upper air suction nozzle 5 and the surface of the cold drum 1 and between the lower air suction nozzle 7 and the surface of the cold drum 1; soft rubber tongue covers 12 are arranged above the upper air suction nozzle 5 and the lower air suction nozzle 7, and the soft rubber tongue covers 12 are lapped on the surface of the cold drum 1. The direction of rotation of dust removal roller 6 is opposite with the direction of rotation of cold drum 1, dust removal roller 6 includes center pin 9 and overlaps the roller 10 that changes on center pin 9, it is hollow structure to change roller 10, the outer wall of changeing roller 10 is equipped with evenly arranged the apopore, the apopore diameter is 0.6~0.8mm, it has sponge layer 11 to change roller 10 outer wall parcel, change and connect the inlet tube through rotary joint on the roller 10, be equipped with adjusting valve on the inlet tube, interval between dust removal roller 6 and the cold drum 1 is less than the thickness on sponge layer 11. The central shaft 9 is of a hollow structure, and a cooling water inlet and a cooling water outlet are respectively arranged at two ends of the central shaft 9.
When in work: the lower air suction nozzle 7 sucks and removes the uncondensed oligomer dirt on the cold drum 1, and the dust removing roller 6 is assisted by the rotating friction of the sponge layer 11 and cleaning liquid to remove the old and firmer oligomer dirt on the surface of the cold drum 1. Be the weak alkaline washing liquid about 9 with PH value by external force (forcing) pump, the hose, rotary joint, pour into in the dust removal roller changes roller 10, adjust the governing valve door opening, make intracavity washing liquid pressure force reach 0.3-0.5MPa, under this pressure, the washing liquid can be oozed through the apopore on the working chamber outer wall, the washing liquid that oozes is absorbed by outer sponge, sponge layer 11 and cold 1 surface contact spin cleaning of drum time, the sponge is extruded, washing liquid in the sponge is released on sponge layer 11 and the cold 1 contact surface of drum by partial extrusion, increase the cleaning performance of dust removal roller. The upper air suction nozzle 5 further cleans oligomer floating scale which is not completely cleaned by the lower air suction nozzle 7 and the dust removing roller 6, and sucks away micro-fine droplets of a small amount of cleaning liquid left on the surface of the cold drum 1 in the scrubbing process of the dust removing roller 6, so that the surface of the cold drum 1 is smooth and clean, and the next circle of sheet casting is facilitated.
The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (7)
1. The online cleaning device for the cold drum low-polymer dirt is characterized by comprising a cold drum, wherein a leading-off roller is arranged on one side of the cold drum, an air suction and dust removal device is arranged on one side of the cold drum, the air suction and dust removal device is positioned above the leading-off roller, and the air suction and dust removal device is fixed through a support; the air suction and dust removal device comprises an upper air suction nozzle, a dust removal roller and a lower air suction nozzle which are sequentially arranged from top to bottom, the upper air suction nozzle and the lower air suction nozzle are both connected with a vacuum pump, and an air outlet of the vacuum pump is provided with a dust collection bag; the length directions of the upper air suction nozzle, the dust removing roller and the lower air suction nozzle are all parallel to the axial direction of the cold drum, and a space exists between the upper air suction nozzle and the surface of the cold drum and between the lower air suction nozzle and the surface of the cold drum; the dust removal roller includes center pin and the cover and changes the roller on the center pin, it is hollow structure to change the roller, the outer wall that changes the roller is equipped with evenly to have arranged the apopore, it has the sponge layer to change roller outer wall parcel, changes and connects the inlet tube through rotary joint on the roller, is equipped with adjusting valve on the inlet tube, interval between dust removal roller and the cold drum is less than the thickness on sponge layer.
2. The cold drum oligomeric soil on-line removal device according to claim 1, wherein said upper and lower air nozzles are flat duckbill shaped.
3. The cold drum low polymer dirt online removing device according to claim 1, wherein soft rubber tongue covers are arranged above the upper air suction nozzle and the lower air suction nozzle, and the soft rubber tongue covers are lapped on the surface of the cold drum.
4. The cold drum low polymer dirt online removing device according to claim 1, wherein a screw rod linear guide rail is horizontally arranged on the support, and the direction of the screw rod linear guide rail is perpendicular to the axial direction of the cold drum.
5. The cold drum oligomerization dirt online removing device according to claim 1, wherein the diameter of the water outlet hole is 0.6-0.8 mm.
6. The cold drum low polymer dirt online removing device according to claim 1, wherein the central shaft is a hollow structure, and a cooling water inlet and a cooling water outlet are respectively arranged at two ends of the central shaft.
7. The cold drum low polymer scale online cleaning device according to claim 1, wherein the rotation direction of the dust removing roller is opposite to the rotation direction of the cold drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121676117.3U CN215039548U (en) | 2021-07-22 | 2021-07-22 | Online cleaning device for cold drum oligomeric dirt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121676117.3U CN215039548U (en) | 2021-07-22 | 2021-07-22 | Online cleaning device for cold drum oligomeric dirt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215039548U true CN215039548U (en) | 2021-12-07 |
Family
ID=79219022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121676117.3U Active CN215039548U (en) | 2021-07-22 | 2021-07-22 | Online cleaning device for cold drum oligomeric dirt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215039548U (en) |
-
2021
- 2021-07-22 CN CN202121676117.3U patent/CN215039548U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108114959A (en) | A kind of vertical glass washing device with drying function | |
| CN208392490U (en) | A kind of mold cleaning device | |
| CN105834157A (en) | Rotatable-spraying die cleaning device | |
| CN215039548U (en) | Online cleaning device for cold drum oligomeric dirt | |
| CN212554571U (en) | Two-sided dehydration drying device of resin material strip production and processing | |
| CN209937613U (en) | Self-cleaning film casting device | |
| CN111113966A (en) | Power pipeline machining method | |
| CN118082080A (en) | PVC film calendering auxiliary blowing device | |
| US2776544A (en) | Method and apparatus for cooling soap and the like | |
| CN116787658A (en) | Cooling cleaning equipment for preservative film production | |
| CN210096980U (en) | Liquid caprolactam sheeting energy-saving complete equipment | |
| CN119017615B (en) | Processing and forming device for regenerated fiber honeycomb packaging sheet | |
| CN209478903U (en) | A plastic extruder with automatic cycle switching cleaning filter screen | |
| CN207192210U (en) | A kind of continuous type slurry casting machine device for cleaning conveying belt | |
| CN222499310U (en) | Device for removing coating from steel strip surface | |
| CN222544308U (en) | Battery diaphragm dehydration equipment and battery diaphragm production system | |
| CN111482472A (en) | Strip cleaning device, strip descaling equipment and strip descaling method | |
| CN221756626U (en) | A cooling device for waterproofing coiled material production | |
| CN222241552U (en) | A graphene film cleaning device | |
| CN210590548U (en) | Inflation film manufacturing machine convenient to it is clean | |
| CN221793416U (en) | Cooling Melt Granulator | |
| CN222288034U (en) | Production device for laminated glass | |
| CN222697697U (en) | Braided bag wire drawing production facility | |
| CN218879728U (en) | Quick cooling device | |
| CN221269306U (en) | Deoiling device of aluminium foil mill strip face |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |