CN220808418U - Air drying device of double-screw extruder unit - Google Patents
Air drying device of double-screw extruder unit Download PDFInfo
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- CN220808418U CN220808418U CN202322450242.8U CN202322450242U CN220808418U CN 220808418 U CN220808418 U CN 220808418U CN 202322450242 U CN202322450242 U CN 202322450242U CN 220808418 U CN220808418 U CN 220808418U
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- air
- air suction
- pipe
- screw extruder
- assembly
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- 238000007605 air drying Methods 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 31
- 238000007664 blowing Methods 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims abstract description 10
- 238000000429 assembly Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 230000006698 induction Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model provides an air drying device of a double-screw extruder unit, which comprises a roller passing assembly and an air blowing assembly, wherein the roller passing assembly comprises a plurality of rotatable roller passing assemblies, a plurality of annular grooves for supporting material strips are arranged on the roller passing assemblies, and the roller passing assemblies are arranged at intervals in parallel along the advancing direction of the material strips; the air blowing component is arranged between the two passing rollers and at least comprises a group of air knives symmetrically distributed on the upper side and the lower side of the material strip, and the air knives are provided with slit air outlets facing the upper surface or the lower surface of the material strip; through setting up subassembly and vacuum pump induced drafts, make the subassembly that induced drafts be located the rear of subassembly of blowing and be located between two rolls of crossing, make the subassembly that induced drafts including being located the aspiration channel of material strip below, set up in the aspiration channel top and with the induced draft groove of annular groove one-to-one, make the induction port of vacuum pump communicate with the induced draft groove through the aspiration channel, make its gas vent be linked together through air knife and air outlet, make the material strip that is located the roll of crossing pass through air outlet and induced draft groove in proper order, air-dry effectual, energy utilization is high.
Description
Technical Field
The utility model relates to the field of plastic particle processing and manufacturing, in particular to an air drying device of a double-screw extruder unit.
Background
The auxiliary machine of the existing double-screw extruder unit generally comprises a preheating device, a cooling device, a traction device, an air drying device, a cutting device and the like, and the air drying device is arranged behind the cooling device and is used for air drying moisture on the surface of a water-cooled strip.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provide an air drying device of a double-screw extruder with good air drying effect and high energy utilization rate.
In order to achieve the above purpose, the technical scheme provided by the utility model is that an air drying device of a double-screw extruder unit comprises:
The roller passing assembly comprises a rotatable roller passing assembly, a plurality of annular grooves for supporting the material strips are formed in the roller passing assembly, and a plurality of roller passing assemblies are arranged in parallel at intervals along the advancing direction of the material strips;
The air blowing component is arranged between the two passing rollers and at least comprises a group of air knives symmetrically distributed on the upper side and the lower side of the material strip, and the air knives are provided with slit air outlets facing the upper surface or the lower surface of the material strip;
The air drying device further comprises an air suction assembly and a vacuum pump, the air suction assembly is located at the rear of the air blowing assembly and located between the two air suction rollers, the air suction assembly comprises an air suction pipe and an air suction groove, the air suction pipe is located below the material strips, the air suction groove is formed in the top of the air suction pipe and corresponds to the annular grooves one by one, the material strips on the air suction rollers sequentially pass through the air outlet and the air suction groove, an air suction port of the vacuum pump is communicated with the air suction groove through the air suction pipe, and an air outlet of the vacuum pump is communicated with the air outlet through the air knife.
Preferably, the air suction assemblies are at least two groups, and the two groups of air suction assemblies are arranged at intervals in parallel along the front-rear direction.
Further preferably, support plates are arranged on two sides of the passing roller close to the air suction pipe, the outer wall of the air suction pipe is connected with a vertical plate extending outwards, and the end part, away from the passing roller, of the support plates is rotationally connected with the end part, away from the air suction pipe, of the vertical plate through a screw.
Further preferably, the support plate is further provided with a kidney-shaped hole extending along the extending direction of the support plate, and the screw rod is movably inserted into the kidney-shaped hole.
Further preferably, a nut is connected to the screw, and the relative position of the support plate and the vertical plate is kept fixed when the nut is locked.
Preferably, the air suction pipe comprises a pipe body and an air suction groove pipe connected to the top of the pipe body, the air suction groove pipe is communicated with the inner cavity of the pipe body, the cross section of the air suction groove pipe is semicircular or minor arc, and the air suction groove is formed in the top of the air suction groove pipe.
Preferably, the bottom surface of the air suction groove is not higher than the highest point of the annular groove.
Preferably, the air drying device further comprises a first pipeline assembly connected between the air suction pipe and the vacuum pump air suction port and a second pipeline assembly connected between the air knife and the vacuum pump air discharge port, the first pipeline assembly comprises a flange plate with a pipe head, a square rounding joint and a steel wire hose, one end of the flange plate with the pipe head is in butt joint communication with the end part of the air suction pipe and locked through a clamp, the other end of the flange plate with the pipe head is in butt joint communication with the square rounding joint and is in sealing connection, and the end part of the square rounding joint far away from the flange plate with the pipe head is communicated with the vacuum pump air suction port through the steel wire hose; the second pipeline component is a compressed air pipe, and two ends of the compressed air pipe are respectively communicated with the air knife and the exhaust port of the vacuum pump.
Still preferably, the air drying device further comprises a control box for setting the vacuum pump, an air knife column for supporting the air knife, and a stand column for supporting the flange plate with the pipe head, wherein the upper end of the stand column is connected with the bottom of the flange plate with the pipe head, and the lower end of the stand column is connected with the upper surface of the control box.
Still preferably, the stand column is a telescopic column, the stand column comprises a first stand column and a second stand column which can vertically slide and penetrate through the first stand column, the lower end portion of the first stand column is connected with the upper surface of the control box, the surface of the first stand column is connected with a locking bolt used for locking the position of the second stand column, and the upper end portion of the second stand column is connected with the bottom of the flange plate with the pipe head.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
Not only can the air knife air outlet utilize the exhaust of vacuum pump to blow off the left drop of water on upper and lower surfaces of the material strip, but also can utilize the intake of vacuum pump to suck away the left drop of water on the surface of the material strip through the air suction groove on the air suction pipe, and has good air drying effect and high energy utilization rate.
Drawings
Fig. 1 is a schematic front view of a preferred embodiment of the present utility model.
Fig. 2 is a schematic top view of fig. 1, showing only the aspiration channel portion.
Fig. 3 is an enlarged partial schematic view at a in fig. 2.
Fig. 4 is a partially enlarged schematic view at B in fig. 2.
Wherein: 1. a material strip; 11. passing through a roller; 12. an annular groove; 13. a support plate; 14. waist-shaped holes; 15. a screw; 16. a nut; 20. a blowing assembly; 21. an air knife; 22. an air outlet; 30a, a first air suction assembly; 30b, a second air suction assembly; 31. an air suction pipe; 311. a tube body; 312. an induced draft tube groove; 32. an air suction groove; 33. a vertical plate; 40. a vacuum pump; 41. an air suction port; 42. an exhaust port; 51. flange with tube head; 52. square rounding joints; 53. a steel wire hose; 54. a clamp; 61. a compressed air tube; 70. a control box; 80. an air knife column; 90. a column; 91. a first upright; 92. a second upright; 93. a locking bolt.
Detailed Description
The vertical direction described in the present utility model means the vertical direction in fig. 1, and the front and rear directions described in the present utility model means the left and right directions in fig. 1.
As shown in fig. 1 to 4, the air drying device of the double-screw extruder set provided by the utility model comprises a roller passing assembly, an air blowing assembly 20, an air suction assembly and a vacuum pump 40, wherein the roller passing assembly comprises a rotatable roller passing 11, a plurality of annular grooves 12 for supporting a material strip 1 are arranged on the roller passing 11, the roller passing 11 is provided with a plurality of roller passing 11, and the roller passing 11 is arranged at intervals in parallel along the travelling direction (from left to right) of the material strip 1; the air blowing component 20 is arranged between the two passing rollers 11, the air blowing component 20 comprises a group of air knives 21 symmetrically distributed on the upper side and the lower side of the material strip 1, and the air knives 21 are provided with slit air outlets 22 facing the upper surface or the lower surface of the material strip 1; the air suction assembly is positioned at the rear of the air blowing assembly 20 and between the two passing rollers 11, the air suction assembly comprises an air suction pipe 31 and air suction grooves 32, the air suction pipe 31 is positioned below the material strips 1, the air suction grooves 32 are formed in the tops of the air suction pipes 31 and correspond to the annular grooves 12 one by one, the bottom surfaces of the air suction grooves 32 are lower than the highest points of the annular grooves 12, the material strips 1 positioned on the passing rollers 11 sequentially pass through the air outlet 22 and the air suction grooves 32, when passing through the air suction grooves 32, the highest points of the material strips 1 do not exceed the highest points of the air suction pipes 31, the air suction ports 41 of the vacuum pumps 40 are communicated with the air suction grooves 32 through the air suction pipes 31, and the air exhaust ports 42 of the vacuum pumps 40 are communicated with the air outlet 22 through the air knives 21.
The advantage that sets up like this lies in, both can utilize the exhaust of vacuum pump through the air knife air outlet, blows off the upper and lower surface remaining drop of water of material strip, can utilize the inlet air of vacuum pump through the induced draft groove on the aspiration channel again, and the drop of water of remaining on the material strip surface is sucked away, and air-dries effectually, the energy utilization is high.
In this embodiment, the roller passing assembly includes three roller passing rollers 11, the air blowing assembly 20 is located between the first two roller passing rollers 11, and the air suction assembly is located between the second two roller passing rollers 11.
The two sets of air suction assemblies are respectively a first air suction assembly 30a and a second air suction assembly 30b, the first air suction assembly 30a and the second air suction assembly 30b are arranged at intervals in parallel along the front-rear direction, the first air suction assembly 30a and the second air suction assembly 30b have the same structure and are mirror images of each other along the front-rear direction, and the first air suction assembly 30a is taken as an example for the following description.
The suction duct 31 of the first suction assembly 30a comprises a duct body 311 and a suction duct tube 312 connected to the top of the duct body 311, the suction duct tube 312 is communicated with the inner cavity of the duct body 311, the section of the suction duct tube 312 is semicircular, the suction duct 32 is arranged at the top of the suction duct tube 312, the outer wall of the suction duct 31 is connected with a vertical plate 33 extending outwards (forwards), two sides of a roller 11 close to the suction duct 31 are provided with support plates 13, the end of the support plates 13 far away from the roller 11 is rotationally connected with the end of the vertical plate 33 far away from the suction duct 31 through a screw 15, further, the support plates 13 are further provided with waist-shaped holes 14 extending along the extending direction of the support plates 13, the screw 15 is movably arranged in the waist-shaped holes 14, the support plates 13 can move relative to the vertical plate 33, nuts 16 are connected to the screw 15, and the relative positions of the support plates 13 and the vertical plate 33 are kept fixed when the nuts 16 are locked.
The advantage of setting like this lies in, can conveniently adjust the height of crossing the roller and cross the distance between roller and the aspiration channel to ensure that the material strip can be steady and unsettled through the induced draft groove, and not contact with the lateral wall in induced draft groove.
In this embodiment, the air drying device further includes a first pipe assembly connecting between the air suction pipe 31 and the air suction port 41 of the vacuum pump 40 and a second pipe assembly connecting between the air knife 21 and the air discharge port 42 of the vacuum pump 40, the first pipe assembly includes a flange plate 51 with a pipe head, a square rounding joint 52 and a steel wire hose 53, one end (pipe head end) of the flange plate 51 with the pipe head is in butt joint with the end of the air suction pipe 31 and locked by a clamp 54, the other end (flange plate end) is in butt joint with a square pipe part of the square rounding joint 52 and is in sealing connection, and the end (pipe part) of the square rounding joint 52 far from the flange plate 51 with the pipe head is in communication with the air suction port 41 of the vacuum pump 40 by the steel wire hose 53; the second pipe assembly is a compressed air pipe 61, and both ends of the compressed air pipe 61 are respectively communicated with the air knife 21 and the exhaust port 42 of the vacuum pump 40.
In this embodiment, the air drying device further includes a control box 70 for setting the vacuum pump 40, an air knife column 80 for supporting the air knife 21, and a column 90 for supporting the flange plate 51 with the tube head, wherein the upper end of the column 90 is connected with the bottom of the flange plate 51 with the tube head, the lower end of the column 90 is connected with the upper surface of the control box 70, and for convenience in adjusting the height, the column 90 is a telescopic column, the column 90 includes a first column 91 and a second column 92 penetrating through the first column 91 in a vertically sliding manner, the lower end of the first column 91 is connected with the upper surface of the control box 70, the surface of the first column 91 is connected with a locking bolt 93 for locking the position of the second column 92, and the upper end of the second column 92 is connected with the bottom of the flange plate 51 with the tube head.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. Air-drying device of twin-screw extruder group includes:
The roller passing assembly comprises a rotatable roller passing assembly, a plurality of annular grooves for supporting the material strips are formed in the roller passing assembly, and a plurality of roller passing assemblies are arranged in parallel at intervals along the advancing direction of the material strips;
The air blowing component is arranged between the two passing rollers and at least comprises a group of air knives symmetrically distributed on the upper side and the lower side of the material strip, and the air knives are provided with slit air outlets facing the upper surface or the lower surface of the material strip;
The method is characterized in that:
The air drying device further comprises an air suction assembly and a vacuum pump, the air suction assembly is located at the rear of the air blowing assembly and located between the two air suction rollers, the air suction assembly comprises an air suction pipe and an air suction groove, the air suction pipe is located below the material strips, the air suction groove is formed in the top of the air suction pipe and corresponds to the annular grooves one by one, the material strips on the air suction rollers sequentially pass through the air outlet and the air suction groove, an air suction port of the vacuum pump is communicated with the air suction groove through the air suction pipe, and an air outlet of the vacuum pump is communicated with the air outlet through the air knife.
2. The air drying apparatus of a twin screw extruder set of claim 1, wherein: the air suction assemblies are at least two groups, and the two groups of air suction assemblies are arranged in parallel at intervals along the front-back direction.
3. The air drying apparatus of a twin screw extruder set of claim 2, wherein: the two sides of the roller close to the air suction pipe are provided with support plates, the outer wall of the air suction pipe is connected with vertical plates extending outwards, and the end parts, away from the roller, of the support plates are rotationally connected with the end parts, away from the air suction pipe, of the vertical plates through screws.
4. A twin screw extruder set air drying apparatus as defined in claim 3, wherein: the support plate is also provided with a waist-shaped hole extending along the extending direction of the support plate, and the screw rod movably penetrates through the waist-shaped hole.
5. The air drying apparatus of a twin screw extruder set of claim 4, wherein: and a nut is connected to the screw, and when the nut is locked, the relative positions of the support plate and the vertical plate are kept fixed.
6. The air drying apparatus of a twin screw extruder set of claim 1, wherein: the air suction pipe comprises a pipe body and an air suction groove pipe connected to the top of the pipe body, the air suction groove pipe is communicated with the inner cavity of the pipe body, the cross section of the air suction groove pipe is semicircular or minor arc, and the air suction groove is formed in the top of the air suction groove pipe.
7. The air drying apparatus of a twin screw extruder set of claim 1, wherein: the bottom surface of the air suction groove is not higher than the highest point of the annular groove.
8. The air drying apparatus of a twin screw extruder set of claim 1, wherein: the air drying device further comprises a first pipeline assembly connected between the air suction pipe and the vacuum pump suction port and a second pipeline assembly connected between the air knife and the vacuum pump exhaust port, the first pipeline assembly comprises a flange plate with a pipe head, a square rounding joint and a steel wire hose, one end of the flange plate with the pipe head is in butt joint communication with the end part of the air suction pipe and locked through a clamp, the other end of the flange plate with the pipe head is in butt joint communication with the square rounding joint and is in sealing connection, and the end part, far away from the flange plate with the pipe head, of the square rounding joint is communicated with the vacuum pump suction port through the steel wire hose; the second pipeline component is a compressed air pipe, and two ends of the compressed air pipe are respectively communicated with the air knife and the exhaust port of the vacuum pump.
9. The air drying apparatus of a twin screw extruder set of claim 8, wherein: the air drying device further comprises a control box for setting the vacuum pump, an air knife column for supporting the air knife, and a stand column for supporting the flange plate with the pipe head, wherein the upper end part of the stand column is connected with the bottom of the flange plate with the pipe head, and the lower end part of the stand column is connected with the upper surface of the control box.
10. The air drying apparatus of a twin screw extruder set of claim 9, wherein: the stand is flexible post, the stand includes first stand and can wear to establish with sliding from top to bottom the second stand in the first stand, the lower tip of first stand with the upper surface of control box is connected, the surface connection of first stand has the locking bolt that is used for locking second stand position, the upper end of second stand with take tube head ring flange's bottom to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322450242.8U CN220808418U (en) | 2023-09-11 | 2023-09-11 | Air drying device of double-screw extruder unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322450242.8U CN220808418U (en) | 2023-09-11 | 2023-09-11 | Air drying device of double-screw extruder unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220808418U true CN220808418U (en) | 2024-04-19 |
Family
ID=90673939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322450242.8U Active CN220808418U (en) | 2023-09-11 | 2023-09-11 | Air drying device of double-screw extruder unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220808418U (en) |
-
2023
- 2023-09-11 CN CN202322450242.8U patent/CN220808418U/en active Active
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