CN218013887U - Air knife type tuyere baking oven - Google Patents

Abstract

The utility model discloses an air knife type tuyere oven, which includes a lower box, a roller passing piece, an upper box, an air chamber and a tuyere, the lower box has an inlet and an outlet, and a plurality of rolling pieces are arranged in the lower box Inside, and along the length direction of the lower box are set at intervals, the strip enters from the inlet, passes through a number of rollers in turn, and then protrudes from the outlet; the upper box cover is set on the lower box, and the air chamber is set on the The upper box, and along the direction from the inlet to the outlet, the height of the air chamber gradually decreases; the air chamber has an air inlet, and the air inlet is located at the end of the air chamber close to the inlet, and multiple air nozzles are along the length of the upper box The directions are sequentially arranged below the air chamber at intervals, the air inlet end of the air nozzle communicates with the air chamber, and the air outlet end of the air nozzle faces the strip. This application avoids problems such as curling of the film, and also ensures the drying quality.

Description

Air knife type air nozzle oven

technical field

The utility model relates to the technical field of ovens, in particular to an air knife type air nozzle oven.

Background technique

In the production process of strip products, it is often necessary to dry the strips, for example, the film strips such as diaphragms need to be dried after coating. At present, ovens are generally used in the industry to dry strip products. However, when the existing oven is drying the film strip, the uniformity of blowing the film strip is insufficient, which will cause problems such as curling of the film.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides an air knife type tuyere oven.

The utility model discloses an air knife type tuyere oven, which comprises:

The lower box has an inlet and an outlet;

A plurality of roller passing parts arranged in the lower box, and a plurality of rolling passing parts are arranged at intervals along the length direction of the lower box body, and the strip enters from the inlet, passes through a plurality of roller passing parts in turn, and then protrudes from the outlet;

The upper box is covered with the lower box;

The air chamber is arranged on the upper box, and along the direction from the inlet to the outlet, the height of the air chamber gradually decreases; the air chamber has an air inlet, and the air inlet is located at the end of the air chamber close to the inlet; and

A plurality of air nozzles are sequentially arranged at intervals below the air chamber along the length direction of the upper box body, the air inlet end of the air nozzle is connected with the air chamber, and the air outlet end of the air nozzle faces the strip.

According to an embodiment of the utility model, there are multiple arc-shaped windshields in the air chamber, and each arc-shaped windshield extends toward the inside of the air chamber from the air inlet, and the upper ends of the multiple arc-shaped windshields are along the upper The length direction of the box body is arranged at intervals in sequence, and the lower ends of multiple arc-shaped windshields are arranged at intervals along the height direction of the air chamber. An air inlet channel is formed between two adjacent arc-shaped windshields, and the air inlet channel The air outlet faces the narrower end of the air chamber.

According to an embodiment of the present utility model, along the width direction of the upper box body, mesh plates are formed at both ends of the arc-shaped windshield.

According to an embodiment of the present utility model, the air nozzle includes a main body of the air nozzle and an air filter plate; The air outlet end of the nozzle main body faces the strip.

According to an embodiment of the present utility model, the air nozzle further includes a detachable connecting piece, and the two ends of the main body of the air nozzle are respectively connected to the outer wall of the air chamber through the detachable connecting piece.

According to an embodiment of the present invention, the air nozzle further includes a seal, which is located between the air inlet end of the air nozzle main body and the air chamber, and is arranged around the air inlet end.

According to an embodiment of the present utility model, the air outlet end of the main body of the air nozzle is formed with an air collecting structure.

According to an embodiment of the utility model, the tuyere further includes an air collecting hole and two dispersing plates, the air collecting hole communicates with the air collecting port, the two dispersing plates are respectively located on opposite sides of the air collecting hole, and the air collecting hole faces the strip.

According to an embodiment of the present invention, the opposite extension lines of the two dispersion plates intersect, and the angle between them is an obtuse angle.

According to an embodiment of the utility model, the upper box body also has a heat dissipation port.

The beneficial effect of the present application is that: along the direction from the inlet to the outlet, the thickness of the air chamber is gradually reduced, so that when the hot air entering from the air inlet near the strip inlet flows toward the outlet, because the flow space becomes smaller, The flow intensity will be enhanced indirectly, so that the wind force in the entire length of the air chamber will be equal, and then the hot air blown to the film strip through multiple spaced air nozzles will be more uniform, and the temperature and wind force will remain relatively equal, thus avoiding There are problems such as curling of the film, which also ensures the drying quality.

Description of drawings

The drawings described here are used to provide a further understanding of the application and constitute a part of the application. The schematic embodiments and descriptions of the application are used to explain the application and do not constitute an improper limitation to the application. In the attached picture:

Fig. 1 is the structural representation of air knife type tuyere oven in the embodiment;

Fig. 2 is the structural representation of air chamber and air nozzle in the embodiment;

Fig. 3 is the structural representation of air inlet and tuyere in the embodiment;

Fig. 4 is the structural representation of air inlet and arc-shaped windshield in the embodiment;

Fig. 5 is a cross-sectional view of the air nozzle in the embodiment.

detailed description

A number of implementations of the present invention will be disclosed in the following diagrams. For the sake of clarity, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the invention. That is to say, in some embodiments of the present invention, these practical details are unnecessary. In addition, for the sake of simplifying the drawings, some well-known and commonly used structures and components will be shown in a simple schematic manner in the drawings.

It should be noted that all directional indications such as up, down, left, right, front, back in the embodiment of the utility model are only used to explain the relative positional relationship between the components in a certain posture as shown in the accompanying drawings , sports conditions, etc., if the specific posture changes, the directional indication also changes accordingly.

In addition, in the present utility model, the descriptions involving "first", "second", etc. are only for the purpose of description, and do not refer to the meaning of sequence or sequence, nor are they used to limit the present utility model, which are only for the purpose of A distinction is made between components or operations described with the same technical terms, but should not be understood as indicating or implying their relative importance or implying the number of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , also not within the scope of protection required by the utility model.

In order to further understand the utility model content, characteristics and effects of the present utility model, the following embodiments are listed hereby, and detailed descriptions are as follows in conjunction with the accompanying drawings:

Referring to Fig. 1 to Fig. 2, Fig. 1 is a schematic structural diagram of an air knife type tuyere oven in the embodiment, and Fig. 2 is a schematic structural diagram of the air chamber and the tuyere in the embodiment. The air knife type tuyere oven in this embodiment includes a box body 1 , a roller passing member 2 , an air chamber 3 and a tuyere 4 . The box body 1 includes a lower box body 11 and an upper box body 12, and the lower box body 11 has an inlet 111 and an outlet (not shown in the figure). A plurality of roller passing parts 2 are arranged in the lower box body 11, and a plurality of roller passing parts 2 are sequentially arranged at intervals along the length direction of the lower box body 11. Stretch out from the exit again. The upper box body 12 covers the lower box body 11 . The air chamber 3 is arranged on the upper box body 12, and along the direction from the inlet 111 to the outlet, the thickness of the air chamber 3 gradually decreases; one end. A plurality of air nozzles 4 are sequentially arranged at intervals below the air chamber 3 along the length direction of the upper box body 12 , the air inlet ends of the air nozzles 4 communicate with the air chamber 3 , and the air outlet ends of the air nozzles 4 face the strip.

It can be understood that the wind force when entering the air inlet 31 is the largest, and the flow of the airflow in the air chamber 3 will gradually weaken, and the thickness of the air chamber 3 will gradually decrease along the direction from the inlet 111 to the outlet, so , when the hot air entering from the air inlet 31 close to the strip inlet 111 flows toward the outlet, because the flow space becomes smaller, the flow intensity will be indirectly strengthened, so that the wind force in the entire length of the air chamber 3 will be equal, and then pass through A plurality of air nozzles 4 arranged at intervals will blow hot air to the film-like strip more evenly, and the temperature and wind force will remain relatively equal, thereby avoiding problems such as curling of the film and ensuring the drying quality.

Specifically, the lower box body 11 is in the shape of a cuboid with an opening above it, and the inlet 111 and the outlet are respectively opened on opposite end walls of the lower box body 11 . The strip is a film-like strip, which extends into the lower box 11 from the inlet 111, then passes through a plurality of rollers 2 in turn, and then protrudes from the exit; the strip moves under the action of external force, such as an external Rollers wind up the strip, so that the strip moves in the lower box 11, and the roller passing part 2 adapts to the movement of the strip for rolling support, so as to ensure the smooth flow of the strip. The roller passing member 2 in this embodiment can adopt the cooperation of the existing motor, roller shaft and belt linkage, which will not be repeated here.

The air chamber 3 is a box with an inner cavity. The shape and size of the upper box 12 are compatible with the shape and size of the lower box 11. The upper end of the air inlet 31 is located on the upper wall of the upper box 12, and the lower end extends And connected to the inside of the wind chamber 3. When the upper box 12 is covered on the lower box 11, the two form a complete box structure. At this time, the lower wall of the air chamber 3 is parallel to the strip, and a plurality of air nozzles 4 are formed along the lower wall of the air chamber 3. Arranged at intervals in sequence, the successive connection lines of a plurality of air nozzles 4 are parallel to the strip material, and the air outlet ends of the air nozzles 4 face the strip material. The upper wall of the air chamber 3 is inclined, so that the thickness of the air chamber 3 decreases gradually from the inlet 111 to the direction of the outlet, and the cross-sectional area of the air chamber 3 gradually decreases. When the hot air flow entering from the air inlet 31 flows, because The cross-sectional area gradually becomes smaller, the passage of its circulation becomes smaller, and the strength becomes larger, so that the overall airflow intensity entering the air nozzle 4 from the lower wall of the air chamber 3 is relatively flat. Preferably, the upper box body 12 also has a heat dissipation opening 121 , and the heat dissipation opening 121 is arranged on the upper wall of the upper box body 12 and is close to the narrower end of the wind chamber 3 . Through the setting of the heat dissipation port 121, the overall heat dissipation of the oven is facilitated to avoid excessive local temperature.

Referring to Fig. 3 and Fig. 4 together, Fig. 3 is a schematic diagram of the structure of the air inlet and nozzle in the embodiment, and Fig. 4 is a schematic diagram of the structure of the air inlet and the arc-shaped windshield in the embodiment. Further, there are a plurality of arc-shaped windshields 32 inside the wind chamber 3, and each arc-shaped windshield 32 extends toward the inside of the wind chamber 3 from the air inlet 31, and the upper ends of the plurality of arc-shaped windshields 32 are along the The length direction of the upper box body 12 is sequentially arranged at intervals, and the lower ends of a plurality of arc-shaped windshields 32 are successively arranged at intervals along the height direction of the wind chamber 3, and an air inlet channel is formed between two adjacent arc-shaped windshields 32. And the air outlet of the air inlet channel faces towards the narrower end of the air chamber 3 .

The lower ends of a plurality of arc-shaped windshields 32 are sequentially arranged at intervals along the height direction of the air chamber 3, so that in the interior of the air chamber 3, corresponding to the position of the air inlet 31, a plurality of air outlets are formed towards the air chamber 3. The air inlet channel at one end, so that the hot air entering from the air inlet 31 will flow smoothly toward the narrower end of the air chamber 3 through the arc-shaped air inlet channel, forming a guide for the air flow, so that the air flow can enter the air chamber faster 3 narrower end, thereby further ensuring the wind intensity at the narrower end of wind chamber 3.

Preferably, mesh plates 321 are formed at both ends of the arc-shaped windshield 32 along the width direction of the upper box body 12 . The setting of the mesh plate 321 can evenly distribute the wind flow adjacent to the air inlet 31, avoiding the unguided wind force at the air inlet 31 from directly entering the air nozzle 4 below the air inlet 31, resulting in a relatively large wind force, further ensuring that the air chamber 3 The balance of the inner and lower winds.

Preferably, when the air inlet 31 moves toward the middle position of the air chamber 3, the air chamber 3 can be set as a structure with a thick middle and narrow ends, and the air outlet of the air inlet channel formed by the arc-shaped windshield 32 can face the air chamber 3 relatively narrow ends.

Referring to FIG. 5 together, FIG. 5 is a cross-sectional view of the air nozzle in the embodiment. Furthermore, the tuyere 4 includes a tuyere main body 41 and an air filter plate 42; the tuyere main body 41 is arranged in the air chamber 3, the air inlet end of the air nozzle main body 41 communicates with the air chamber 3, and the air filter plate 42 is arranged in the air nozzle main body The air inlet end of 41, the air outlet end of tuyere main body 41 faces strip. The arrangement of the air filter plate 42 makes the air flow from the air chamber 3 into the interior of the air nozzle main body 41 more uniform. In this embodiment, the air filter plate 42 is in the shape of a plate with evenly distributed through holes.

Preferably, the air nozzle 4 further includes a detachable connecting piece 43 , and the two ends of the air nozzle main body 41 are respectively connected to the outer wall of the air chamber 3 through the detachable connecting piece 43 . The tuyere main body 41 is set as a detachable structure, so as to facilitate disassembly and maintenance of the tuyere 4 . In this embodiment, the detachable connecting member 43 can adopt an existing detachable structure, which will not be repeated here.

Preferably, the air nozzle 4 further includes a sealing member 44, the sealing member 44 is located between the air inlet end of the air nozzle main body 41 and the air chamber 3, and is arranged around the air inlet end. Through the arrangement of the sealing member 44 , the airflow entering the air nozzle main body 41 from the air chamber 3 is prevented from leaking out. The seal 44 in this embodiment is a sealing ring, the upper end of the air nozzle main body 41 is in the shape of a port, and the lower wall of the air chamber 3 is reserved with the mouth of the air nozzle main body 41, when the air nozzle main body 44 is attached to the air chamber 3, the opening on the upper end of the air nozzle main body 41 is facing the reserved opening of the air chamber 3, the sealing ring is located between the air nozzle main body 41 and the lower wall of the air chamber 3, and the air filter plate 42 is set on the air chamber 3 reserved opening. Preferably, the sealing member 44 is a hollow structure.

Preferably, an air collecting structure 411 is formed at the air outlet end of the air nozzle main body 41 . The arrangement of the wind collecting structure 411 facilitates the collection of the wind blown out by the air nozzle 4 . In this embodiment, the nozzle main body 41 is approximately in the shape of a rectangular box, and its lower end forms a V-shaped structure through two plates, thereby forming the wind collecting structure 411 .

Preferably, the tuyere 4 also includes an air collecting hole 45 and two diffuser plates 46, the air collecting hole 45 communicates with the air collecting port 411, the two diffuser plates 46 are respectively located on opposite sides of the air collecting hole 45, and the air collecting hole 45 faces Strip. The opposite extension lines of the two dispersing plates 46 intersect, and the angle between them is an obtuse angle. Concentrate the wind flow at the air outlet end of the air nozzle main body 41 through the air collecting hole 45, and then guide and disperse it by two dispersing plates 46, so that the wind blown out by the air nozzle 4 is concentrated and uniform, and the film strip can be better processed Flattening further avoids curling of light and thin strips.

To sum up, the hot air blown out by the air knife type air nozzle oven in this embodiment is uniform, which can better flatten the film strip and avoid the curling problem of the light and thin strip.

The above is only an embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the scope of claims of the present utility model.

Claims (10)

1. The utility model provides an air knife formula tuyere oven which characterized in that includes:

a lower box (11) having an inlet (111) and an outlet;

the roll passing pieces (2) are arranged in the lower box body (11), the roll passing pieces (2) are sequentially arranged at intervals along the length direction of the lower box body (11), and a strip enters from the inlet (111), sequentially passes through the roll passing pieces (2) and then extends out from the outlet;

an upper box body (12) covered on the lower box body (11);

the air chamber (3) is arranged in the upper box body (12), and the height of the air chamber (3) is gradually reduced along the direction from the inlet (111) to the outlet; the air chamber (3) is provided with an air inlet (31), and the air inlet (31) is positioned at one end of the air chamber (3) close to the inlet (111); and

the air nozzles (4) are sequentially arranged below the air chamber (3) at intervals along the length direction of the upper box body (12), the air inlet ends of the air nozzles (4) are communicated with the air chamber (3), and the air outlet ends of the air nozzles (4) face the strips.

2. The air knife type air nozzle oven as claimed in claim 1, wherein a plurality of arc-shaped air baffles (32) are arranged in the air chamber (3), each arc-shaped air baffle (32) extends from the air inlet (31) to the inside of the air chamber (3), the upper ends of the arc-shaped air baffles (32) are sequentially arranged at intervals along the length direction of the upper box body (12), the lower ends of the arc-shaped air baffles (32) are sequentially arranged at intervals along the height direction of the air chamber (3), an air inlet channel is formed between two adjacent arc-shaped air baffles (32), and the air outlet of the air inlet channel faces to the narrower end of the air chamber (3).

3. The air knife type tuyere oven of claim 2, wherein mesh plates (321) are formed at both ends of the arc-shaped wind guard (32) along the width direction of the upper case (12).

4. The air knife tuyere oven of claim 1, characterized in that said tuyere (4) comprises a tuyere body (41) and a wind filter plate (42); the air nozzle main body (41) is arranged in the air chamber (3), the air inlet end of the air nozzle main body (41) is communicated with the air chamber (3), the air filtering plate (42) is arranged at the air inlet end of the air nozzle main body (41), and the air outlet end of the air nozzle main body (41) faces the strip.

5. The air knife type air nozzle oven according to claim 4, characterized in that the air nozzle (4) further comprises a detachable connector (43), and both ends of the air nozzle main body (41) are respectively connected with the outer wall of the air chamber (3) through the detachable connector (43).

6. The air knife tuyere oven of claim 4, characterized in that said tuyere (4) further comprises a sealing member (44), said sealing member (44) being located between an air intake end of said tuyere main body (41) and said air chamber (3) and being disposed around said air intake end.

7. The air knife type air nozzle oven according to claim 4, characterized in that the air outlet end of the air nozzle main body (41) is formed with an air collecting structure (411).

8. The air knife type air nozzle drying oven according to claim 7, characterized in that the air nozzle (4) further comprises an air collecting hole (45) and two dispersion plates (46), the air collecting hole (45) is communicated with the air collecting structure (411), the two dispersion plates (46) are respectively located at two opposite sides of the air collecting hole (45), and the air collecting hole (45) faces the strip.

9. Air knife tuyere baking oven according to claim 8, characterized in that the opposite extensions of the two dispersion plates (46) intersect and the angle at which they intersect is obtuse.

10. The air knife tuyere oven of claim 1, characterized in that said upper box (12) further has a heat dissipating vent (121).

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