CN220371520U - Nozzle with return air structure - Google Patents

Abstract

The utility model relates to a nozzle with a return air structure, which comprises a fixed box, wherein a plurality of filter plates are inserted into the surface of the fixed box, positioning grooves are formed in the upper side and the lower side of each filter plate, a plurality of nozzles are arranged on the surface of the fixed box, a return air plate is fixedly connected between the plurality of nozzles, a plurality of first through holes are formed in the surface of the return air plate, and a return air assembly is integrally connected to the inner side of the fixed box; the air return assembly comprises an air return pipe and two air outlets formed in the right side of the fixed box, a plurality of second through holes are formed in the inner side of the air return pipe, and two diversion pipelines are communicated with the surface of the right side of the air return pipe. This nozzle with return air structure is evenly discharged through hot-blast or cold wind through the nozzle to inside fixed case is discharged into through the first through-hole that the return air board was seted up, thereby will be discharged into the inside return air of fixed case and inhale the back from the water conservancy diversion pipeline cooperation air exit and discharge the effect that thereby realizes even return air through the second through-hole that the return air pipe was seted up.

Description

Nozzle with return air structure

Technical Field

The utility model relates to the technical field of coating machine nozzles, in particular to a nozzle with a return air structure.

Background

With the increasing production requirements of modern coated products, especially the high clean and energy-saving requirements of optical films, electrical films, solar PV films, the existing air-floating oven nozzles are difficult to adapt to such high requirements due to structural problems.

According to the search, chinese patent CN 205518499U in the prior art discloses an air floating type oven nozzle, which comprises a nozzle plate, an air return plate, end sealing plates for sealing the ends of the nozzle plate and the air return plate, and is characterized by further comprising an air inlet arranged at the bottom of the nozzle plate, an air outlet gap formed by encircling the air return plate and the nozzle plate, and a porous plate arranged at the middle of the nozzle, wherein the porous plate is arranged in parallel with the bottom of the nozzle plate.

However, the air return of the nozzle is uneven, so that different drying or cooling effects of materials in different areas are caused, the quality of products is uneven, and the use requirement cannot be met, so that the nozzle with the air return structure is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the nozzle with the air return structure, which has the advantages of uniform air return and the like, and solves the problems of different drying or cooling effects and uneven product quality of materials in different areas.

In order to achieve the purpose of uniform return air, the utility model provides the following technical scheme: the utility model provides a nozzle with return air structure, includes fixed case, fixed case surface peg graft has a plurality of filter, the constant head tank has all been seted up to inside both sides about the filter, fixed case surface is provided with a plurality of nozzles, and is a plurality of fixedly connected with return air plate between the nozzle, a plurality of first through-holes have been seted up to the return air plate surface, fixed inboard an organic whole of case is connected with the return air subassembly.

The return air subassembly includes the return air pipe and sets up two air exits in fixed case right side inside, a plurality of second through-holes have been seted up to the return air pipe inboard, the surface intercommunication on return air pipe right side has two water conservancy diversion pipelines, the one side intercommunication that the return air pipe was kept away from to the water conservancy diversion pipeline is at fixed case inboard surface.

Further, the nozzles are three in one group, and the filter plate is inserted between the two groups of nozzles.

Further, the filter plates are transversely equidistantly arranged, and the two air outlets are respectively formed in the right side of the fixed box.

Further, the two sides of the diversion pipeline are respectively communicated between the second through hole and the air outlet.

Further, a plurality of connecting frames are fixedly connected to the upper side and the lower side of the fixed box.

Further, two telescopic links are fixedly connected to the inner wall of the connecting frame, and springs are sleeved on the outer sides of the telescopic links.

Further, one side of the telescopic rod, which is far away from the connecting frame, is fixedly connected with a clamping block, and the middle part of the inner side of the connecting frame is inserted with a clamping rod.

Further, the clamping groove matched with the clamping block is formed in the clamping rod, and one side, away from the fixed box, of the clamping rod is spliced in the filter plate.

Compared with the prior art, the utility model provides the nozzle with the return air structure, which has the following beneficial effects:

1. this nozzle with return air structure is evenly discharged through hot-blast or cold wind through the nozzle to inside fixed case is discharged into through the first through-hole that the return air board was seted up, thereby will be discharged into the inside return air of fixed case and inhale the back from the water conservancy diversion pipeline cooperation air exit and discharge the effect that thereby realizes even return air through the second through-hole that the return air pipe was seted up.

2. This nozzle with return air structure can carry out filtration treatment and remove through two clamping bars mutually through the return air board surface through the filter to gas, and the draw-in groove that the pulling force that produces was seted up the clamping bar shifts out between follow the fixture block and realizes that the filter is dismantled fast from fixed case surface, has solved and has caused the stoving or the cooling effect difference of different regional materials, the inhomogeneous problem of product quality.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the air return plate of the utility model;

FIG. 3 is a partial cross-sectional view of the stationary box of the present utility model;

FIG. 4 is an enlarged view of the structure of FIG. 3A according to the present utility model;

fig. 5 is a structural view of the stationary box of the present utility model.

In the figure: the device comprises a fixing box 1, a nozzle 2, a filter plate 3, a connecting frame 4, a clamping rod 5, a return air plate 6, a first through hole 7, a positioning groove 8, a spring 9, a telescopic rod 10, a clamping groove 11, a clamping block 12, an air outlet 13, a flow guide pipeline 14, a return air pipe 15 and a second through hole 16.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-5, a nozzle with a return air structure in this embodiment includes a fixed box 1, a plurality of filter plates 3 are inserted on the surface of the fixed box 1, positioning slots 8 are formed in the upper and lower sides of the filter plates 3, a plurality of nozzles 2 are disposed on the surface of the fixed box 1, a return air plate 6 is fixedly connected between the plurality of nozzles 2, a plurality of first through holes 7 are formed in the surface of the return air plate 6, a return air assembly is integrally connected to the inner side of the fixed box 1, the return air assembly includes a return air pipe 15 and two air outlets 13 formed in the right side of the fixed box 1, a plurality of second through holes 16 are formed in the inner side of the return air pipe 15, two diversion pipelines 14 are communicated with the surface of the right side of the return air pipe 15, and one side of the diversion pipeline 14 away from the return air pipe 15 is communicated with the inner side surface of the fixed box 1.

Wherein, nozzle 2 is three and is a set of to filter 3 pegging graft between two sets of nozzles 2, and filter 3 is horizontal equidistance and arranges, and two air exit 13 are offered respectively in fixed case 1 right side relatively inside, and guide pipeline 14 both sides communicate respectively between second through-hole 16 and air exit 13.

Embodiment two:

referring to fig. 1, 3 and 4, on the basis of the first embodiment, the device comprises a plurality of connecting frames 4 fixedly connected to the upper side and the lower side of a fixed box 1, two telescopic rods 10 are fixedly connected to the inner walls of the connecting frames 4, springs 9 are sleeved on the outer sides of the telescopic rods 10, clamping blocks 12 are fixedly connected to one sides of the telescopic rods 10 away from the connecting frames 4, clamping rods 5 are inserted in the middle of the inner sides of the connecting frames 4, clamping grooves 11 matched with the clamping blocks 12 are formed in the clamping rods 5, and one sides of the clamping rods 5 away from the fixed box 1 are inserted in the filter plates 3.

By adopting the technical scheme, the clamping rods 5 are moved back to back from one side of the filter plate 3, and the clamping rods 5 are moved out of the positioning grooves 8, so that quick disassembly is realized.

The working principle of the embodiment is as follows:

the fixed box 1 is fixedly arranged at a designated position in the air floating oven, the air inlet end is connected with the static pressure box, hot air or cold air blown out of the static pressure box is blown to the fixed box 1 and uniformly sprayed to the surface of a material from the nozzle 2, the material shakes and disturbs, the air discharged from the nozzle 2 is discharged into the fixed box 1 through the first through hole 7 by the air return plate 6, the filter plate 3 attached to the surface of the air return plate 6 can filter the air, the air discharged into the fixed box 1 is sucked through the second through hole 16 formed by the air return pipe 15, and then is discharged from the guide pipeline 14 by matching with the air outlet 13, so that the effect of quick and uniform return air is realized, the material is stable in operation, and when the filter plate 3 is required to be detached and cleaned from the surface of the fixed box 1, the air can be filtered through the filter plate 3 and the opposite movement of the two clamping rods 5 is realized through the filter plate 6, and the clamping grooves 11 formed by the clamping rods 5 are moved out from the clamping blocks 12, so that the filter plate 3 can be quickly detached from the surface of the fixed box 1.

The beneficial effects of the embodiment are as follows:

the nozzle with the return air structure is uniformly discharged through hot air or cold air through the nozzle 2, and is discharged into the fixed box 1 through the first through hole 7 formed in the return air plate 6, and the second through hole 16 formed in the return air pipe 15 is used for discharging return air discharged into the fixed box 1 to be sucked and then is discharged through the guide pipeline 14 and the air outlet 13 in a matching manner, so that the effect of uniform return air is realized.

This nozzle with return air structure can carry out filtration to gas through the aviation baffle 6 surface through filter 3 and remove through two draw-in bars 5 are on the back mutually, and draw-in groove 11 that the pulling force that produces was offered draw-in bar 5 shifts out between follow fixture block 12 and realizes that filter 3 is dismantled fast from fixed case 1 surface, has solved and has caused the stoving or the cooling effect difference of different regional materials, the inhomogeneous problem of product quality.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. Nozzle with return air structure, including fixed case (1), its characterized in that: the surface of the fixed box (1) is inserted with a plurality of filter plates (3), positioning grooves (8) are formed in the upper side and the lower side of the filter plates (3), a plurality of nozzles (2) are arranged on the surface of the fixed box (1), a plurality of return air plates (6) are fixedly connected between the nozzles (2), a plurality of first through holes (7) are formed in the surface of the return air plates (6), and a return air assembly is integrally connected to the inner side of the fixed box (1);

the air return assembly comprises an air return pipe (15) and two air outlets (13) formed in the right side of the fixed box (1), a plurality of second through holes (16) are formed in the inner side of the air return pipe (15), two diversion pipelines (14) are communicated with the surface of the right side of the air return pipe (15), and one side, far away from the air return pipe (15), of the diversion pipelines (14) is communicated with the inner side surface of the fixed box (1).

2. A nozzle with return air structure as set forth in claim 1, wherein: the plurality of nozzles (2) are in a group of three, and the filter plate (3) is inserted between the two groups of nozzles (2).

3. A nozzle with return air structure as set forth in claim 2, wherein: the filter plates (3) are transversely equidistantly arranged, and the two exhaust outlets (13) are respectively arranged in the right side opposite inner part of the fixed box (1).

4. A nozzle with return air structure as set forth in claim 3, wherein: the two sides of the diversion pipeline (14) are respectively communicated between the second through hole (16) and the air outlet (13).

5. A nozzle with return air structure as set forth in claim 1, wherein: a plurality of connecting frames (4) are fixedly connected to the upper side and the lower side of the fixed box (1).

6. A nozzle with return air structure as set forth in claim 5, wherein: two telescopic rods (10) are fixedly connected to the inner wall of the connecting frame (4), and springs (9) are sleeved on the outer sides of the telescopic rods (10).

7. A nozzle with return air structure as set forth in claim 6, wherein: one side of the telescopic rod (10) far away from the connecting frame (4) is fixedly connected with a clamping block (12), and the middle part of the inner side of the connecting frame (4) is inserted with a clamping rod (5).

8. A nozzle with return air structure as set forth in claim 7, wherein: the clamping rod (5) is provided with a clamping groove (11) matched with the clamping block (12), and one side, far away from the fixed box (1), of the clamping rod (5) is spliced in the filter plate (3).