CN202753434U - Manual adjustable air ring - Google Patents
Manual adjustable air ring Download PDFInfo
- Publication number
- CN202753434U CN202753434U CN 201220367065 CN201220367065U CN202753434U CN 202753434 U CN202753434 U CN 202753434U CN 201220367065 CN201220367065 CN 201220367065 CN 201220367065 U CN201220367065 U CN 201220367065U CN 202753434 U CN202753434 U CN 202753434U
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- CN
- China
- Prior art keywords
- air
- ring
- lip
- vane
- adjustable
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- 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.)
- Expired - Fee Related
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a manual adjustable air ring which comprises a lower air lip, a middle air lip, an upper air lip, adjusting screws, a distributor, an air filtering plate, an air ring lower cover, an air ring upper cover, air inlet pipes, a cover plate, an upper air duct and a lower air duct. The air ring upper cover and the air ring lower cover form an annular air chamber which is communicated with the air inlet pipes, the distributor and the air filtering plate form a distributing air chamber, an adjusting ring is connected between the air ring upper cover and the air ring lower cover, stop blocks are arranged among the cover plate, the distributor and the adjusting ring, divide the upper air duct into small air ducts and divide the small air ducts into air inlets and air outlets, the adjusting screws are mounted on the adjusting ring, and the diameter of the head of each adjusting screw is larger than the opening width of each small air duct. The manual adjustable air ring has the remarkable advantages that the upper air duct consists of a plurality of uniformly distributed small air ducts, and the air inlets are in transition connection with the air outlets, so that with a thin film cooled sufficiently, air quantity at thickness points of a thin film can be adjusted independently, and thickness uniformity of the thin film is improved remarkably.
Description
Technical field
The utility model is applied to cooling vane in the plastic extrusion film blowing device, and specifically it is a kind of manual adjustable air ring.
Background technology
The cooling vane that is used for now blown film has single air port, two air ports various ways, its objective is in order to provide evenly fully cooling to the film bubble, reduces the impact that cooling air causes the thickness thinness, improves the thickness degree of film.In actual production, after vane provided the cooling air of even circumferential, the thickness degree of film often depended on the designing and manufacturing level of mould.The designing and manufacturing level of mould also can only be brought up to certain limit with the thickness degree of film, and owing to the runner reason, often there is the thickness road in film on circumference; Eliminate the thickness road, further improve the film thickness uniformity, present vane is difficult to address this problem.
Publication number is that a kind of air ring of blowing regulatable blow moulding machine has been reported in the Chinese utility model patent application of CN 2677141, this vane adopts along vane circumference uniform distribution radial hole as the air channel, can regulate the film thickness of corresponding points, but the aperture as the air channel is interrupted in circumference distribution radially, air inlet place and air outlet place do not have transition body, the film thickness is caused easily beat, and the adjusting circular slab can change wind direction in the hole when adjusting air quantity.Even like this each hole, air channel is adjusted in onesizely, the circumference air quantity also is difficult to evenly, and the air port flow also is difficult to stablize, and causes difficulty for the in advance adjustment of die head before adjusting vane; Secondly, the vane point of adjustment is corresponding inaccurate with the upper thickness road of film bubble, regulates difficulty.And it is single air port vane, exists cooling air quantity little, the problem that cooling effectiveness is low.
Publication number is that a kind of cooling air ring for film blowing machine has been reported in the Chinese utility model patent application of CN201941161U, the blown film cooling vane is a kind of three air port vanes, its effect is to improve film bubble cooling effect, improve output, the air channel that shunting disk 16 adopts the circumference radial equipartition, be the passage as second and third air port, be the air-flow that second and third air port provides even circumferential to distribute, the second air port is adjustable; In order to change the air quantity in whole the second air port, do not change the along the circumferential direction uniformity of wind of the second air port.This vane can not be done point-to-point adjustment along the thickness difference of circumference for the film bubble is upper, can not improve the thickness uniformity of film.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, a kind of manual adjustable air ring is provided, on the basis of the cooling air that the film bubble is provided sufficient stable and uniform, can carry out manual adjustments for the thickness road that exists on the film, significantly improve the thickness uniformity of film.
For achieving the above object, the designed a kind of manual adjustable air ring of the utility model, it comprises leeward lip, apoplexy lip, windward lip, adjustment screw, minute part, filter aerofoil, vane lower cover, vane loam cake, blast pipe, cover plate, upper air duct and lower air duct.Described vane loam cake and vane lower cover form annular air compartment, described annular air compartment and blast pipe UNICOM, part formed the shunting air compartment with the filter aerofoil in described minute, be connected with adjustable ring between described vane loam cake and the windward lip, be provided with block between described cover plate, minute part and the adjustable ring, described block is divided into upper air duct little air channel and little air channel is divided into air inlet and air outlet, and described adjustment screw is installed on the adjustable ring, and the adjustment screw head diameter is greater than the A/F in little air channel.
Further, described block is rhombus, forms the opening in little air channel between the described block, and the opening part in little air channel has the silk of adjusting hole.
Again further, described air inlet and air outlet are " eight " font, and described air inlet is connected with the air outlet transition.
Again further, also be provided with filter wind aperture on the described filter aerofoil.
Again further, also be provided with dispensing orifice on the part in described minute.
Notable feature of the present utility model is that upper air duct is comprised of several little air channels of even distribution, and air inlet is connected with the air outlet transition, and film is provided under the abundant cooling prerequisite, can adjust separately film thickness point air quantity, significantly improves film thickness degree.
Description of drawings
Fig. 1. the structural representation of manual adjustable air ring;
Fig. 2. the structural representation of adjustable ring;
Fig. 3. the structural representation of block;
Among the figure, 1. leeward lip, 2. apoplexy lip, 3. windward lip, 4. adjustable ring, 5. adjustment screw,
6. divide part, 7. filter aerofoil, 8. vane lower cover, 9. vane loam cake, 10. blast pipe, 11. cover plates,
12. annular air compartment, 13. shunting air compartments, 14. blocks, 15. upper air ducts, 16. lower air ducts, 17. little air channels, 18. air inlets, 19. air outlets, 20. regulate the silk hole, 21. filter wind apertures, 22. dispensing orifices.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail, so that those skilled in the art understand.
The manual adjustable air ring of the utility model, it comprises leeward lip 1, apoplexy lip 2, windward lip 3, adjustment screw 5, minute part 6, filter aerofoil 7, vane lower cover 8, vane loam cake 9, blast pipe 10, cover plate 11, upper air duct 15 and lower air duct 16.Described vane loam cake 9 and vane lower cover 8 form annular air compartment 12, described annular air compartment 12 and blast pipe 10 UNICOMs, part 6 formed shunting air compartments 13 with filter aerofoil 7 in described minute, be connected with adjustable ring 4 between described vane loam cake 9 and the windward lip 3, be provided with block 14 between described cover plate 11, minute part 6 and the adjustable ring 4, described block 14 is divided into upper air duct 15 little air channel 17 and little air channel 17 is divided into air inlet 18 and air outlet 19, described adjustment screw 5 is installed on the adjustable ring 4, and adjustment screw 5 head diameters are greater than the A/F in little air channel 17.
Described block 14 is rhombus, forms the opening in little air channel 17 between the described block 14, and the opening part in little air channel 17 has the silk of adjusting hole 20.
Described air inlet 18 and air outlet 19 are " eight " font, and described air inlet 18 is connected with air outlet 19 transition.
Also be provided with filter wind aperture 21 on the described filter aerofoil 7.Also be provided with dispensing orifice 22 on the described minute part 6.
The course of work of the present utility model is as follows:
Manually but leeward lip 1, apoplexy lip 2, windward lip 3 up-down adjustment of adjustable air ring are adjusted the up and down air force in air port.
Six blast pipes 10 adopt tangential air intake form, wind is sent to the annular wind chamber 9 that is formed by vane loam cake 9 and vane lower cover 8, and rotation homogenizing, with obtaining the not rotary wind that even circumferential distributes by filter aerofoil aperture 21, by behind minute part 6 it being divided into up and down two-way, the one tunnel enters lower air duct 16, and another road enters upper air duct 15 through adjustable ring 4.
Adjustable ring 4 is divided into the little air channel 17 of several radial distribution with upper air duct 15, each little air channel 17 is formed by rhombus block 14 intervals, the air inlet 18 in little air channel 17 and air outlet 19 transition are communicated with, and adjustment screw 5 is installed in 20 li in the adjusting silk hole of adjustable ring 4, can regulate vertically.When original state, adjustment screw 5 is positioned at same intermediate altitude, is fixed on the opening in each little air channel 17 onesize.This moment, air inlet 18 and air outlet 19 air quantity in each little air channel 17 were consistent.Be equal to common double air port vane this moment.
During blown film, according to the film thickness, adjust first die head, correct position is adjusted in upper and lower air port, measure the thickness degree of film, find the adjustment screw corresponding with the thickness road 5, regulate the openings of sizes in corresponding little air channel 17, the opening in the corresponding little air channel 17 of the extremely thick point of film is turned down, reduces air quantity, reduce cooling velocity, film thickness reduces; The opening that film is put corresponding little air channel 17 as thin as a wafer tunes up, and increases air quantity, improves cooling velocity, and film thickness increases; Be splayed transition connection because the air inlet 18 in little air channel 17 is connected with air outlet, so the thickness of film can not produce significantly and beats.Thereby further improve the film thickness uniformity.
Although above-described embodiment has been made detailed description to the utility model; but it only is the utility model part embodiment; rather than whole embodiment; people can also obtain other embodiment according to present embodiment under without creative prerequisite, these embodiment belong to the utility model protection domain.
Claims (5)
1. manual adjustable air ring, it comprises leeward lip (1), apoplexy lip (2), windward lip (3), adjustment screw (5), minute part (6), filter aerofoil (7), vane lower cover (8), vane loam cake (9), blast pipe (10), cover plate (11), upper air duct (15) and lower air duct (16); It is characterized in that: described vane loam cake (9) and vane lower cover (8) form annular air compartment (12), described annular air compartment (12) and blast pipe (10) UNICOM, described minute part (6) and filter aerofoil (7) form shunting air compartment (13), be connected with adjustable ring (4) between described vane loam cake (9) and the windward lip (3), described cover plate (11), divide between part (6) and the adjustable ring (4) and be provided with block (14), described block (14) is divided into upper air duct (15) little air channel (17) and little air channel (17) is divided into air inlet (18) and air outlet (19), described adjustment screw (5) is installed on the adjustable ring (4), and adjustment screw (5) head diameter is greater than the A/F of little air channel (17).
2. manual adjustable air ring according to claim 1, it is characterized in that: described block (14) is rhombus, forms the opening in little air channel (17) between the described block (14), the opening part of little air channel (17) has the silk of an adjusting hole (20).
3. manual adjustable air ring according to claim 1, it is characterized in that: described air inlet (18) and air outlet (19) are " eight " font, and described air inlet (18) is connected with air outlet (19) transition.
4. manual adjustable air ring according to claim 1 is characterized in that: also be provided with filter wind aperture (21) on the described filter aerofoil (7).
5. manual adjustable air ring according to claim 1 is characterized in that: also be provided with dispensing orifice (22) on described minute part (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220367065 CN202753434U (en) | 2012-07-27 | 2012-07-27 | Manual adjustable air ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220367065 CN202753434U (en) | 2012-07-27 | 2012-07-27 | Manual adjustable air ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202753434U true CN202753434U (en) | 2013-02-27 |
Family
ID=47732629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220367065 Expired - Fee Related CN202753434U (en) | 2012-07-27 | 2012-07-27 | Manual adjustable air ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202753434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053244A (en) * | 2019-05-31 | 2019-07-26 | 重庆瑞霆塑胶有限公司 | Vane device is used in blow molding |
-
2012
- 2012-07-27 CN CN 201220367065 patent/CN202753434U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053244A (en) * | 2019-05-31 | 2019-07-26 | 重庆瑞霆塑胶有限公司 | Vane device is used in blow molding |
| CN110053244B (en) * | 2019-05-31 | 2021-05-28 | 重庆瑞霆塑胶有限公司 | Wind ring device for blow molding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20150727 |
|
| EXPY | Termination of patent right or utility model |