CN210892610U - Double-cooling quick cooling air knife - Google Patents
Double-cooling quick cooling air knife Download PDFInfo
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- CN210892610U CN210892610U CN201921498384.9U CN201921498384U CN210892610U CN 210892610 U CN210892610 U CN 210892610U CN 201921498384 U CN201921498384 U CN 201921498384U CN 210892610 U CN210892610 U CN 210892610U
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- air knife
- straight rod
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- knife body
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Abstract
A double-cooling quick cooling air knife effectively solves the problem that the existing air knife cannot intermittently adjust the angle to improve the cooling and drying efficiency; the device comprises a fixed frame, wherein a left working cavity, a right working cavity and a feeding cavity are arranged in the fixed frame, and a first working part and a second working part are respectively arranged in the left working cavity and the right working cavity; the first working part comprises an air knife body, a rotating shaft is arranged at the lower end of the middle side of the air knife body in a sliding mode, the rotating shaft is horizontally arranged in the left working cavity, and the first working part further comprises a control device and an adjusting device; the utility model discloses the structure is ingenious, thinks about the novelty, cools off and dry plastic film through setting up two air knives at both ends about the pay-off chamber to automatically, make the air knife take place to rotate, make the direction of the wind power that falls on plastic film change, can effectual improvement cooling effect, drying effect and work efficiency with the cleaning device cooperation.
Description
Technical Field
The utility model relates to a plastic film manufacture equipment technical field, in particular to quick cooling air knife of two coolings.
Background
In the production and treatment processes of the plate strip and the sheet in the metallurgy, plastics and chemical industry, the plate strip and the sheet need to be soaked in liquid for surface treatment because of the processes of cooling, rust removal and the like. Before the plate belt and the sheet enter the next process section, the liquid carried by the plate belt and the sheet must be removed completely so as to avoid influencing the subsequent production. Therefore, these types of production lines are provided with air knife devices to ensure the product quality of the strip and sheet and the corrosion protection of the production equipment.
The plastic film casting equipment comprises an extrusion die head, a casting roller, an air knife and the like, wherein the die head is provided with a long and narrow extrusion gap, the air knife is provided with a long and narrow air port, the air port is close to the circumferential surface of the casting roller, and the casting roller is provided with a cooling mechanism. During operation, the air port of the air knife is close to the circumferential surface of the casting roller, molten plastic materials are extruded from the long and narrow extrusion gap and flow to the circumferential surface of the casting roller to be cooled and shaped, and in the process, high-pressure air flow is blown out from the air port of the air knife to enable the plastic materials to be tightly attached to the surface of the casting roller and assist the casting roller to cool the plastic materials.
In the casting production process, crystals are easy to precipitate from the high molecular plastic molten material due to quenching at the moment of contacting the surface of the casting roller, and the crystals are precipitated and accumulated on the surface of the casting roller, and at the moment, the surface of the casting roller must be cleaned in time, so that an air knife is required to be quickly separated from the surface of the casting roller so as to provide a wide operating surface for cleaning, and the air knife is required to be quickly restored to be close to the surface of the casting roller after cleaning.
And because the angle between the air knife and the plastic film is not easy to adjust, the cooling and drying efficiency is low.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming the defect of prior art, the utility model aims at providing a two cooling quick cooling air knives, the effectual unable intermittent type angle regulation of current air knife of having solved is in order to improve the problem of cooling and drying efficiency.
The technical scheme of the solution is that the utility model comprises a fixed frame, a left working chamber, a right working chamber and a feeding chamber are arranged in the fixed frame, and a first working part and a second working part are respectively arranged in the left working chamber and the right working chamber;
first work portion includes the air knife body, and the lower extreme slidable mounting of side has the axis of rotation in the air knife body, and axis of rotation horizontal installation is in left work intracavity, and first work portion still includes the controlling means who drives air knife body intermittent type nature clockwise rotation or anticlockwise rotation and is used for adjusting the adjusting device of air knife body turned angle range, and second work portion is the same with first work portion structure and the mounted position is symmetrical about the pay-off chamber.
The utility model has the advantages that: the utility model discloses the structure is ingenious, thinks about the novelty, cools off and dry plastic film through setting up two air knives at both ends about the pay-off chamber to automatically, make the air knife take place to rotate, make the direction of the wind power that falls on plastic film change, can effectual improvement cooling effect, drying effect and work efficiency with the cleaning device cooperation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view taken along the direction a-a in fig. 1 according to the present invention.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Example (b):
as shown in fig. 1 to 2, the utility model comprises a fixing frame 1, wherein a left working chamber 2, a right working chamber 3 and a feeding chamber 4 are arranged in the fixing frame 1, the left working chamber 2 and the right working chamber 3 are symmetrical about a central perpendicular line of the feeding chamber 4, and a first working part and a second working part are respectively arranged in the left working chamber 2 and the right working chamber 3;
first work portion includes air knife body 5, the air outlet of air knife body 5 is at the right-hand member of air knife body 5, the lower extreme slidable mounting of side has axis of rotation 6 in the air knife body 5, 6 horizontal installation of axis of rotation are in left working chamber 2, so that air knife body 5 can use axis of rotation 6 to rotate as the axle center, first work portion still includes the clockwise rotation or the anticlockwise rotation's of drive air knife body 5 intermittent type nature controlling means and the adjusting device who is used for adjusting 5 turned angle ranges of air knife body, second work portion is the same with first work portion structure and the mounted position is about 4 symmetries of pay-off chamber.
The air knife body 5 is provided with an air inlet 7, the air inlet 7 is connected with a pipeline 8, the pipeline 8 is connected with an air compressor, and the pipeline 8 is provided with an air valve.
The control device comprises an installation frame 9, a first horizontal rod 10 and a second vertical rod 11 are slidably installed in the installation frame 9, a first installation groove and a second installation groove are formed in the first horizontal rod 10 and the second straight rod 11 respectively, a first workpiece 12 is installed in the first installation groove in a rotating mode, a fixing rod 13 is arranged at the front end of the first workpiece 12, the angle of the fixing rod 13 is inclined, a first guide rail 14 is installed in the second installation groove in a rotating mode, the fixing rod 13 is slidably installed in the first guide rail 14, the first horizontal rod 10 is made to move left and right to drive the second straight rod 11 to move up and down, the upper end of the second straight rod 11 abuts against the left side of the lower end of the air knife body 5, a spring 15 is arranged at the upper end of the installation frame 9, the end of the spring 15 is installed on the right side of the lower end of the air knife body.
The control device further comprises a first baffle 16 and a second baffle 17 which are arranged at the left end, extending out of the mounting rack 9, of the first straight rod 10, the first baffle 16 and the second baffle 17 are vertically arranged on the first straight rod 10, a horizontal rotating shaft 18 is arranged between the first baffle 16 and the second baffle 17, an eccentric circular plate 19 is arranged on the rotating shaft 18, and when the rotating shaft 18 drives the eccentric circular plate 19 to rotate, the eccentric circular plate 19 drives the first straight rod 10 to move left and right through the first baffle 16 and the second baffle 17.
The fixed frame 1 is provided with a rotating motor for driving the rotating shaft 18 to rotate.
The adjusting device comprises a third straight rod 20 vertically installed on the first straight rod 10, a sliding groove 21 is formed in the third straight rod 20, a sliding block 22 is installed in the sliding groove 21 in a sliding mode, a second guide rail 23 is installed at the rear end of the sliding block 22 in a rotating mode, a fixing block 24 installed in the second guide rail 23 in a sliding mode is arranged at the rear end of the first workpiece 12, namely the angle of the second guide rail 23 installed on the sliding block 22 can be adjusted through sliding the sliding block 22 up and down, so that the angle of the first workpiece 12 is adjusted, the angle of the fixing rod 13 at the front end of the first workpiece 12 is changed accordingly, when the angle of the fixing rod 13 is changed, the first straight rod 10 moves left and right, the range of the second straight rod 11 is driven to move up and down is changed, and the range of the air knife body 5 rotating clockwise or.
The chute 21 is internally provided with a vertical screw 25, the upper end of the screw 25 is rotatably arranged at the upper end of the third straight rod 20, the screw 25 passes through the sliding block 22, and the sliding block 22 is in threaded connection with the screw 25.
And a rotating handle 26 is arranged at one end of the screw rod 25 extending out of the third straight rod 20.
The utility model discloses when using, make plastic film carry through the pay-off chamber 4, open air valve and air compressor and make air knife body 5 still work, adjust the range of 5 pivoted angles of air knife body through adjusting the handle, open and rotate the motor and make and rotate motor drive air knife body 5 and do clockwise and anticlockwise's intermittent type nature rotation with axis of rotation 6 as the axle center, the wind that makes air knife body 5 blow off changes in order to improve cooling effect and drying effect on plastic film, and can use with the cleaning device cooperation of clean curtain coating roller, when the air knife rotates to certain angle, can use corresponding cleaning device to clean the curtain coating roller, clean the back, cleaning device leaves, then the air knife continues to work.
The utility model has the advantages that: the utility model discloses the structure is ingenious, thinks about the novelty, cools off and dry plastic film through setting up two air knives at both ends about the pay-off chamber to automatically, make the air knife take place to rotate, make the direction of the wind power that falls on plastic film change, can effectual improvement cooling effect, drying effect and work efficiency with the cleaning device cooperation.
The foregoing detailed description/examples, which are specific to embodiments of the present invention and which are intended to illustrate the concepts of the invention, are intended to be illustrative and exemplary and should not be construed as limiting the scope of the invention and embodiments thereof. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include those which make any obvious replacement or modification of the embodiments described herein, and all of which are within the scope of the present invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. A double-cooling rapid cooling air knife comprises a fixing frame (1), and is characterized in that a left working cavity (2), a right working cavity (3) and a feeding cavity (4) are arranged in the fixing frame (1), and a first working part and a second working part are respectively arranged in the left working cavity (2) and the right working cavity (3); first work portion includes air knife body (5), the lower extreme slidable mounting of side has axis of rotation (6) in air knife body (5), axis of rotation (6) horizontal installation is in left working chamber (2), first work portion still including drive air knife body (5) intermittent type nature clockwise rotation or anticlockwise rotation's controlling means and be used for adjusting the adjusting device of air knife body (5) turned angle range, second work portion is the same with first work portion structure and the mounted position is symmetrical about pay-off chamber (4).
2. The double-cooling rapid cooling air knife according to claim 1, wherein the air knife body (5) is provided with an air inlet (7), the air inlet (7) is connected with a pipeline (8), the pipeline (8) is connected with an air compressor, and the pipeline (8) is provided with an air valve.
3. The double-cooling rapid cooling air knife according to claim 1, wherein the control device comprises a mounting frame (9), a horizontal first straight rod (10) and a vertical second straight rod (11) are slidably mounted in the mounting frame (9), a first mounting groove and a second mounting groove are respectively formed in the first straight rod (10) and the second straight rod (11), a first workpiece (12) is rotatably mounted in the first mounting groove, a fixing rod (13) is arranged at the front end of the first workpiece (12), a first guide rail (14) is rotatably mounted in the second mounting groove, the fixing rod (13) is slidably mounted in the first guide rail (14), a spring (15) is arranged at the upper end of the mounting frame (9), and the end of the spring (15) is mounted on the right side of the lower end of the air knife body (5).
4. The double-cooling rapid cooling air knife according to claim 3, wherein the control device further comprises a first baffle plate (16) and a second baffle plate (17) which are arranged on the left end of the first straight rod (10) extending out of the mounting frame (9), the first baffle plate (16) and the second baffle plate (17) are vertically arranged on the first straight rod (10), a horizontal rotating shaft (18) is arranged between the first baffle plate (16) and the second baffle plate (17), and an eccentric circular plate (19) is arranged on the rotating shaft (18).
5. The double-cooling fast cooling air knife according to claim 1, characterized in that the fixed frame (1) is provided with a rotating motor for driving the rotating shaft (18) to rotate.
6. The double-cooling rapid cooling air knife according to claim 1, wherein the adjusting device comprises a third straight rod (20) vertically installed on the first straight rod (10), a sliding groove (21) is formed in the third straight rod (20), a sliding block (22) is installed in the sliding groove (21) in a sliding manner, a second guide rail (23) is installed at the rear end of the sliding block (22) in a rotating manner, and a fixing block (24) is installed in the second guide rail (23) in a sliding manner at the rear end of the first workpiece (12).
7. The double-cooling rapid cooling air knife according to claim 6, wherein a vertical lead screw (25) is arranged in the chute (21), the upper end of the lead screw (25) is rotatably mounted at the upper end of the third straight rod (20), the lead screw (25) passes through the sliding block (22), and the sliding block (22) is in threaded connection with the lead screw (25).
8. The double-cooling rapid cooling air knife according to claim 7, wherein one end of the lead screw (25) extending out of the third straight rod (20) is provided with a rotating handle (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921498384.9U CN210892610U (en) | 2019-09-10 | 2019-09-10 | Double-cooling quick cooling air knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921498384.9U CN210892610U (en) | 2019-09-10 | 2019-09-10 | Double-cooling quick cooling air knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210892610U true CN210892610U (en) | 2020-06-30 |
Family
ID=71337830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921498384.9U Active CN210892610U (en) | 2019-09-10 | 2019-09-10 | Double-cooling quick cooling air knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210892610U (en) |
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2019
- 2019-09-10 CN CN201921498384.9U patent/CN210892610U/en active Active
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