CN216574001U - Coating machine oven tuyere - Google Patents
Coating machine oven tuyere Download PDFInfo
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- CN216574001U CN216574001U CN202123253402.7U CN202123253402U CN216574001U CN 216574001 U CN216574001 U CN 216574001U CN 202123253402 U CN202123253402 U CN 202123253402U CN 216574001 U CN216574001 U CN 216574001U
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Abstract
The utility model discloses a coating machine oven tuyere, including the casing and with casing matched with return air board, the casing has two banding air outlets and two air outlets and is located the relative both sides of return air board respectively, the last length direction interval of following the return air board of return air board is equipped with a plurality of return air holes, a plurality of return air holes are arranged along the width direction of return air board and are two, the distance between arbitrary one return air hole and the air outlet that is close to equals, be located a plurality of return air holes of same row, the cross-sectional area of return air hole is inversely proportional with the distance between this return air hole and the axis of return air board. The utility model provides a coating machine oven tuyere can make the air current of backward flow keep balanced including each position at middle part and both ends at the return air board, and then makes the atmospheric pressure in the region between two air outlets even, effectively avoids the air current that blows off from the air outlet to receive the influence of the air current of backward flow to produce undulantly to prevent that the substrate from producing the shake in the oven, ensure the normal drying of thick liquids on the substrate.
Description
Technical Field
The utility model relates to a coating technical field especially relates to a coating machine oven tuyere.
Background
Coating is a process of coating slurry on the surface of a substrate, drying the substrate coated with the slurry on the surface, and then rolling. In the prior art, a coater is usually used to coat the slurry on the substrate, and then the substrate is sent into one or more drying ovens to dry the slurry, wherein a plurality of air nozzles are generally arranged in the drying ovens to blow air to the surface of the substrate to accelerate the drying of the slurry.
As shown in fig. 1, the existing air nozzle includes a housing 1 and a return air plate 2 disposed between air outlets 11 of the housing 1, the return air plate 2 is provided with return air holes 21 for the backflow air to pass through so as to avoid the backflow air flow to make the substrate swell, the return air holes 21 are arranged in two columns staggered on the return air plate 2, because the air flow is blown out from two ends of the housing 1 after flowing back from the return air holes 21 into the housing 1, the air pressure at two ends of the housing 1 is smaller than the air pressure in the middle of the housing 1, and then the backflow air flow is close to two ends of the housing 1 to cause the backflow air flow between the housing 1 and the substrate to be uneven, the air flow blown out from the air nozzle can generate unstable fluctuation under the influence of the backflow air flow, so that the substrate flutters to influence the normal drying of the slurry.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the coating machine drying oven air nozzle with gentle air outlet is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a coating machine oven tuyere, including the casing and with casing matched with return air plate, the casing has two banding air outlets and two the air outlet is located respectively return air plate's relative both sides, follow on the return air plate's length direction interval is equipped with a plurality of return air holes, and is a plurality of return air hole is followed return air plate's width direction arranges two, arbitrary one return air hole rather than being close to distance between the air outlet equals, is located a plurality of same row in the return air hole, return air hole's cross-sectional area with this return air hole with distance between return air plate's the axis is the inverse ratio.
Further, the sizes of the return holes in the width direction of the return plate are consistent.
Furthermore, the two rows of air return holes are aligned one by one, and the sizes of the two aligned air return holes along the length direction of the air return plate are equal.
Furthermore, the air return holes close to the two opposite ends of the air return plate are circular.
Furthermore, the opposite sides of the air return plate are respectively provided with a first air distributing plate, the first air distributing plate is parallel to the side wall of the shell, one end, far away from the air return plate, of the first air distributing plate is provided with a first bending portion, the first bending portion is abutted to the side wall of the shell, the air baffle further comprises an air baffle, the opposite sides of the air baffle are respectively provided with a second bending portion, the second bending portion is abutted to one end, close to the air return plate, of the first air distributing plate, the shell is surrounded by the first air distributing plate and an air distributing cavity, and the first air distributing plate is provided with a first air distributing hole communicated with the air distributing cavity and the air outlet.
Furthermore, a protruding portion is further arranged on the first air distributing plate, and the protruding portion protrudes towards the direction close to the side wall of the shell and extends into the air outlet.
Furthermore, a plurality of rows of the first air homogenizing holes are arranged on the first air homogenizing plate in a staggered mode.
Further, the first air uniform plate and the air return plate are integrally formed.
Further, still include the even aerofoil of second, the relative both sides of the even aerofoil of second respectively with the first portion of bending links to each other just the even aerofoil of second with the lateral wall of casing is perpendicular, be equipped with on the even aerofoil of second and run through the even wind hole of the even aerofoil of second.
Further, the second air uniformizing holes are arranged in a matrix on the second air uniformizing plate.
The beneficial effects of the utility model reside in that: the utility model provides a coating machine oven tuyere's return air board is equipped with two rows of return air holes, and two rows of return air holes set up along the width direction interval of return air board, the distance between arbitrary return air hole and the air outlet that is close to is equal, so that the air current that blows off from the air outlet of return air board both sides flows back and reaches the return air hole along the same distance of return air board width direction removal, and be arranged in a plurality of return air holes of same row, the cross-sectional area of return air hole is inversely proportional to the distance between this return air hole and the axis of return air board, the return air hole cross-sectional area that is closer to the axis of return air board is bigger more, so that the air input at return air board middle part is greater than the air input at both ends, so that the air current that flows back keeps balanced in each position that return air board includes middle part and both ends, and then make the regional atmospheric pressure between two air outlets even, effectively avoid the air current that blows off from the air outlet to receive the influence of the air current that flows back and produce undulant, so as to prevent the base material from shaking in the oven and ensure the normal drying of the slurry on the base material.
Drawings
FIG. 1 is a cross-sectional view of a prior art tuyere;
fig. 2 is a schematic structural view of a coating machine oven tuyere of the first embodiment of the present invention;
fig. 3 is a cross-sectional view of a coating machine oven tuyere of the first embodiment of the present invention;
fig. 4 is a top view of a coating machine oven tuyere according to a first embodiment of the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 4;
fig. 6 is a bottom view of a coating machine oven tuyere of the first embodiment of the present invention;
fig. 7 is a schematic partial structural view of a coating machine oven tuyere according to a first embodiment of the present invention;
fig. 8 is an enlarged view at B in fig. 7.
Description of reference numerals:
1. a housing; 11. an air outlet; 12. a wind-homogenizing cavity; 13. an air return cavity; 14. a third bend portion; 15. round corners; 16. an air inlet; 2. a return air plate; 21. air return holes; 3. a wind deflector; 31. a second bending portion; 4. a first air distribution plate; 41. a first bending portion; 42. a first air equalizing hole; 43. a projection; 5. a second air distribution plate; 51. and a second air equalizing hole.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 2 to 8, a coater oven air nozzle includes a housing 1 and an air return plate 2 matched with the housing 1, where the housing 1 has two strip-shaped air outlets 11, the two air outlets 11 are respectively located at two opposite sides of the air return plate 2, a plurality of air return holes 21 are arranged on the air return plate 2 at intervals along a length direction of the air return plate 2, the plurality of air return holes 21 are arranged in two rows along a width direction of the air return plate 2, a distance between any one air return hole 21 and the air outlet 11 close thereto is equal, the air return holes 21 are located in the plurality of air return holes 21 in the same row, and a cross-sectional area of the air return hole 21 is inversely proportional to a distance between the air return hole 21 and a central axis of the air return plate 2.
From the above description, the beneficial effects of the present invention are: the utility model provides a coating machine oven tuyere can make the air current of backward flow keep balanced in each position that return air board 2 includes middle part and both ends, and then makes the atmospheric pressure in the region between two air outlets 11 even, effectively avoids the air current that blows off from air outlet 11 to receive the influence of the air current of backward flow to produce undulantly to prevent that the substrate from producing the shake in the oven, ensure the normal drying of thick liquids on the substrate.
Further, the return holes 21 are uniform in size in the width direction of the return plate 2.
As is apparent from the above description, the sizes of the return holes 21 in the width direction of the return plate 2 are set to be the same so as to control the amount of air taken into each return hole 21 and ensure that the returned air flow passes through the return plate 2 stably.
Further, the two rows of the air return holes 21 are aligned one by one, and the sizes of the two aligned air return holes 21 along the length direction of the air return plate 2 are equal.
As can be seen from the above description, the sizes of the two aligned return air holes 21 in the length direction of the return air plate 2 are set to be the same, so that the air intake amounts of the two aligned return air holes 21 are the same, and unstable fluctuation of the returned air flow is prevented.
Further, the return holes 21 near the opposite ends of the return plate 2 are circular.
Further, the relative both sides of air return plate 2 are equipped with first even aerofoil 4 respectively, first even aerofoil 4 with the lateral wall of casing 1 is parallel just first even aerofoil 4 is kept away from the one end of air return plate 2 has first portion of bending 41, first portion of bending 41 with the lateral wall of casing 1 supports, still includes deep bead 3, the relative both sides of deep bead 3 have second portion of bending 31 respectively, second portion of bending 31 with first even aerofoil 4 is close to the one end of air return plate 2 supports, casing 1 first even aerofoil 4 reaches casing 1 encloses into even wind chamber 12, be equipped with the intercommunication on first even aerofoil 4 even wind chamber 12 with the first even wind hole 42 of air outlet 11.
According to the above description, the air nozzle of the coating machine oven is assembled without using screws, so that the condition that the screws extend into the air outlet 11 of the air nozzle of the coating machine oven to cause uneven air flow blown out from the air nozzle of the coating machine oven is avoided, the air flow blown out from the air outlet 11 of the air nozzle of the coating machine oven is ensured to be stable, the slurry on the base material is uniformly dried, and the product quality is improved.
Further, a protruding portion 43 is further arranged on the first air distributing plate 4, and the protruding portion 43 protrudes towards a direction close to the side wall of the housing 1 and extends into the air outlet 11.
As can be seen from the above description, the protruding portion 43 extending into the air outlet 11 is disposed on the first air distributing plate 4 to slow down the speed of the air flow passing through the protruding portion 43, so that the air flow is more stable when being blown out.
Further, a plurality of rows of the first air uniforming holes 42 are staggered on the first air uniforming plate 4.
As can be seen from the above description, the plurality of rows of first air uniforming holes 42 are alternately arranged on the first air uniforming plate 4 to make the air flow uniformly enter the air outlet 11.
Further, the first air distribution plate 4 and the return air plate 2 are integrally formed.
As can be seen from the above description, the first air distribution plate 4 is integrally formed with the air return plate 2, so as to simplify the production process of the air nozzle of the drying oven of the coating machine, and facilitate the assembly of the air nozzle of the drying oven of the coating machine.
Further, still include the even aerofoil 5 of second, the relative both sides of the even aerofoil 5 of second respectively with first portion 41 that bends link to each other just the even aerofoil 5 of second with the lateral wall of casing 1 is perpendicular, be equipped with on the even aerofoil 5 of second and run through the even wind hole 51 of the even aerofoil 5 of second.
As can be seen from the above description, in order to make the airflow blown out from the air nozzle of the coating machine oven more uniform, the second air-distributing plate 5 is further disposed in the air nozzle of the coating machine oven, and the airflow entering the casing 1 sequentially passes through the second air-distributing plate 5 and the first air-distributing plate 4 and then is blown out from the air outlet 11, so as to ensure that the airflow blown out from the air outlet 11 is uniform and stable.
Further, the second louver holes 51 are arranged in a matrix on the second louver 5.
Example one
Referring to fig. 2 to 8, a first embodiment of the present invention is: a coating machine drying oven air nozzle is arranged in a coating machine drying oven and used for blowing air to the surface of a substrate in the drying oven to accelerate drying of slurry on the surface of the substrate.
As shown in fig. 2, 3 and 6, the air nozzle of the coating machine oven comprises a casing 1 and an air return plate 2 matched with the casing 1, two strip-shaped air outlets 11 are arranged on the casing 1, the two air outlets 11 are respectively positioned at two opposite sides of the air return plate 2, the air return plate 2 is provided with a plurality of air return holes 21 arranged at intervals along the length direction of the air return plate 2, the side of the shell 1 far away from the air return plate 2 is also provided with an air inlet 16, air flow enters the shell 1 from the air inlet 16 and is blown out from the air outlet 11 to reach the surface of the substrate under the guidance of the shell 1, the air flow blown out by the air nozzle of the coating machine oven is contacted with the substrate, then reflows and returns to the shell 1 from the air return holes 21 on the air return plate 2 and escapes from the two opposite ends of the shell 1, so that air is blown to the surface of the substrate to accelerate the drying of the slurry on the surface of the substrate.
Referring to fig. 4 and 5, in this embodiment, the plurality of air return holes 21 are disposed on the air return plate 2 at intervals along the length direction of the air return plate 2, and the plurality of air return holes 21 are arranged in two rows along the width direction of the air return plate 2, and the distance between each air return hole 21 and the adjacent air outlet 11 is equal, so that the air flow blown out from the air outlet 11 contacts with the substrate and then moves the same distance along the width direction of the air return plate 2, and then returns to the housing 1 through the air return holes 21.
Specifically, in the plurality of air return holes 21 located in the same row, the cross-sectional area of the air return hole 21 is inversely proportional to the distance between the air return hole 21 and the central axis of the air return plate 2, that is, the cross-sectional area of the air return hole 21 closer to the central axis of the air return plate 2 is larger, so that the air intake amount in the middle area of the air return plate 2 is larger than the air intake amount in the areas closer to the two ends of the air return plate 2, and more reflowing air flows enter the housing 1 from the middle of the air return plate 2, so as to balance the air flows flowing to the two opposite ends of the air return plate 2 due to the air pressure, so that the air pressure in the space between the two air outlets 11 is kept average, thereby effectively avoiding the air flows blown out of the air outlets 11 from being influenced by the reflowing air flows to generate fluctuation, so as to prevent the base material from shaking in the oven, and ensuring that the slurry on the base material is normally dried.
As shown in fig. 5, two rows of the return holes 21 on the return plate 2 are aligned one by one, the sizes of all the return holes 21 in the width direction of the return plate 2 are the same, and the sizes of the two aligned return holes 21 in the length direction of the return plate 2 are the same, so that the air inflow of each return hole 21 is controlled by controlling the size of the return hole 21 in the length direction of the return plate 2, the return plate 2 is convenient to process, and the returned air flow is ensured to stably pass through the return plate 2.
In this embodiment, be close to 2 axis of return air board return air hole 21 is the ellipse, is close to 2 relative both ends of return air board return air hole 21 is circular to the convenient to adjust be convenient for when the air input in 2 each regions of return air board is in shaping on the return air board 2 return air hole 21.
Referring to fig. 3, 7 and 8, two opposite ends of the air return plate 2 are respectively provided with a first air distributing plate 4, the first air distributing plate 4 is parallel to the side wall of the housing 1, one end of the first air distributing plate 4 away from the air return plate 2 is provided with a first bending portion 41, the first bending portion 41 is abutted against the side wall of the housing 1 to fix the air return plate 2 and the first air distributing plate 4 on the housing 1, the air blocking plate 3 is further included, two opposite ends of the air blocking plate 3 are respectively provided with a second bending portion 31, the second bending portion 31 is abutted against one end of the first air distributing plate 4 close to the air return plate 2 to fix the position of the air blocking plate 3, so as to assemble the air return plate 2, the air blocking plate 3, the first air distributing plate 4 and the housing 1 into a whole, and connecting members such as screws are not required in the assembling process, so that cyclone generated by blocking airflow in the housing 1 by screws is effectively avoided, the air flow blown out by the air nozzle of the coating machine drying oven is more uniform.
Specifically, the air return plate 2, the air baffle plate 3 and the first air distributing plate 4 enclose an air return cavity 13, the air return hole 21 is communicated with the air return cavity 13, the air baffle plate 3, the first air distributing plate 4 and the shell 1 enclose an air distributing cavity 12, the air inlet 16 is communicated with the air distributing cavity 12, the first air distributing plate 4 is provided with a first air distributing hole 42 communicating the air distributing cavity 12 with the air outlet 11, and the first air distributing hole 42 is arranged on the first air distributing plate 4 in a staggered manner. In the working process of the air nozzle of the drying oven of the coating machine, the air flow enters the air-homogenizing chamber 12 from the air inlet 16 and then passes through the first air-homogenizing hole 42 to enter the air outlet 11 under the guidance of the air baffle 3, so that the air flow is uniformly and stably blown out from the air outlet 11, the blown air flow is contacted with the substrate and then flows back and passes through the air return hole 21 to enter the air return chamber 13, and the air flow in the air return chamber 13 flows towards the two ends of the housing 1 under the guidance of the air baffle 3 and escapes.
Preferably, one end of the first wind-distributing plate 4 close to the wind-distributing plate 3 is provided with a protruding portion 43 protruding towards the direction close to the side wall of the housing 1, and the protruding portion 43 extends into the wind outlet 11, so that the airflow moves in the wind-distributing cavity 12 to slow down the flow velocity of the airflow when the protruding portion 43 is used, and the airflow is ensured to uniformly pass through the first wind-distributing hole 42 and enter the wind outlet 11.
As shown in fig. 3, one end of the housing 1 close to the air outlet 11 has a third bending portion 14, the third bending portion 14 is bent toward the inner side of the housing 1 and attached to the sidewall of the housing 1, and the cross section of the third bending portion 14 is in a zigzag shape to improve the structural strength of the housing 1, so as to prevent one end of the housing 1 close to the air outlet 11 from vibrating due to the air flow blown out of the air outlet 11 to affect the air flow. The joint of the third bent part 14 and the casing 1 is provided with a fillet 15 which enables the third bent part 14 to be smoothly connected with the casing 1, so that the third bent part 14 and the joint of the casing 1 are prevented from disturbing airflow blown out from the air outlet 11.
Referring to fig. 7 and 8, a second air distributing plate 5 is further disposed in the air distributing cavity 12, two opposite ends of the second air distributing plate 5 are respectively connected to the first bending portion 41 to fix the position of the second air distributing plate 5, the second air distributing plate 5 is perpendicular to the side wall of the housing 1 and divides the air distributing cavity 12 into two parts, a plurality of second air distributing holes 51 are disposed on the second air distributing plate 5, and the plurality of second air distributing holes 51 are arranged in a matrix on the second air distributing plate 5. After entering the air-homogenizing chamber 12 from the air inlet 16, the air flow firstly passes through the second air-homogenizing hole 51 and then passes through the first air-homogenizing hole 42 to enter the air outlet 11, so that the air flow blown out by the drying oven air nozzle of the coating machine is more uniform.
Optionally, the second air distribution plate 5 and the first air distribution plate 4 are bonded or welded to be fixed, so that the second air distribution plate 5 and the first air distribution plate 4 are stably connected.
As shown in fig. 7, in order to improve the structural stability of the air nozzle of the coating machine oven, the air return plate 2 and the first air distribution plate 4 are integrally formed, and the air baffle plate 3 and the first air distribution plate 4 are bonded or welded and fixed, so that the air nozzle of the coating machine oven is convenient to assemble while the structural stability of the air nozzle of the coating machine oven is ensured. Meanwhile, the first bending part 41 can be bonded or welded with the housing 1, so that the positions of the air return plate 2, the air baffle plate 3, the first air distributing plate 4 and the second air distributing plate 5 on the housing 1 are kept stable.
In summary, the air nozzle of the coating machine oven provided by the utility model is provided with a plurality of air return holes at intervals on the air return plate along the length direction of the air return plate, and the plurality of air return holes are arranged in two rows along the width direction of the air return plate, the distance between any air return hole and the air outlet close to the air return hole is equal so that the returned air flow can reach one air return hole by moving the same distance along the width direction of the air return plate, and the more the return hole is close to the central axis of the return plate and the larger the cross-sectional area is, more returned airflow enters the shell from the middle part of the return plate to balance the airflow flowing to the two opposite ends of the return plate due to air pressure, and then the atmospheric pressure in the space between two air outlets is balanced, effectively avoids the air current that blows out from the air outlet to receive the influence of the air current of backward flow and produce undulant to prevent that the substrate from producing the shake in the oven, ensure the thick liquids on the substrate normally dry.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a coating machine oven tuyere, including the casing and with casing matched with return air board, the casing has two banding air outlets and two the air outlet is located respectively return air board's relative both sides, its characterized in that: the air return plate is provided with a plurality of air return holes at intervals along the length direction of the air return plate, the air return holes are arrayed in two rows along the width direction of the air return plate, any one air return hole is equal to the distance between the air outlets close to the air return hole, the air return holes are positioned in the air return holes in the same row, and the cross sectional area of each air return hole is inversely proportional to the distance between the air return holes and the central axis of the air return plate.
2. The coater oven tuyere of claim 1, characterized in that: the sizes of the air return holes in the width direction of the air return plate are consistent.
3. The coater oven tuyere of claim 1, characterized in that: the two rows of the air return holes are aligned one by one, and the sizes of the two aligned air return holes along the length direction of the air return plate are equal.
4. The coater oven tuyere of claim 1, characterized in that: the air return holes close to the two opposite ends of the air return plate are circular.
5. The coater oven tuyere of claim 1, characterized in that: the air distribution structure is characterized in that first air distributing plates are arranged on two opposite sides of the air return plate respectively, the first air distributing plates are parallel to the side wall of the shell, one ends of the first air distributing plates, which are far away from the air return plate, are provided with first bending portions, the first bending portions are abutted against the side wall of the shell, the air baffle further comprises air baffle plates, second bending portions are arranged on two opposite sides of the air baffle plates respectively, the second bending portions are abutted against one ends of the first air distributing plates, which are close to the air return plate, the shell is abutted against one ends of the first air distributing plates, the first air distributing plates and the shell are enclosed into air distributing cavities, and the first air distributing holes of the air outlet are communicated with the air distributing cavities.
6. The coater oven tuyere of claim 5, characterized in that: the first air homogenizing plate is further provided with a protruding portion, and the protruding portion protrudes towards the direction close to the side wall of the shell and extends into the air outlet.
7. The coater oven tuyere of claim 5, characterized in that: the first air homogenizing holes are arranged on the first air homogenizing plate in a staggered mode.
8. The coater oven tuyere of claim 5, characterized in that: the first air uniform plate and the air return plate are integrally formed.
9. The coater oven tuyere of claim 5, characterized in that: the even aerofoil of second still includes, the even aerofoil of second relative both sides respectively with the first portion of bending links to each other just the even aerofoil of second with the lateral wall of casing is perpendicular, be equipped with on the even aerofoil of second and run through the even wind hole of second of the even aerofoil of second.
10. A coater oven tuyere according to claim 9, characterized in that: the second air uniformizing holes are arranged in a matrix on the second air uniformizing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123253402.7U CN216574001U (en) | 2021-12-20 | 2021-12-20 | Coating machine oven tuyere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123253402.7U CN216574001U (en) | 2021-12-20 | 2021-12-20 | Coating machine oven tuyere |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216574001U true CN216574001U (en) | 2022-05-24 |
Family
ID=81617210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123253402.7U Active CN216574001U (en) | 2021-12-20 | 2021-12-20 | Coating machine oven tuyere |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216574001U (en) |
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2021
- 2021-12-20 CN CN202123253402.7U patent/CN216574001U/en active Active
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