Efficient hot air drying box

Abstract

The application discloses a high-efficiency hot air drying box, relates to the field of flexographic hot air drying technology, and aims at solving the problem of low and uneven drying efficiency of flexographic paper due to the fact that most of the existing flexographic hot air drying devices directly discharge hot air, and the hot air is discharged by itself in the air, which causes the phenomenon of local heat and local cold of the flexographic paper. One side of the hot air drying box body is provided with an air port extension seat, and the air port extension seat is an integral structure with the hot air drying box body; the lower surface of the hot air drying box body is provided with a mounting cavity, and the mounting cavity is an integral structure with the hot air drying box body; further comprising: a hot air box nozzle arranged in the mounting cavity, an opening of the mounting cavity is provided with a hot air drying box nozzle, and the hot air drying box nozzle is an integral structure with the hot air drying box body, the inside of the hot air box nozzle is provided with an air uniformizing plate; and a hot air drying box air outlet arranged on one side of the air port extension seat.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of flexographic hot air drying, in particular to a high-efficiency hot air drying box. BACKGROUND

[0002] Flexography is a direct printing method, which is called flexographic printing because it uses a printing plate with elasticity and convex image. The plate is fixed on a plate cylinder, and the plate is inked by a carved metal screen roller. Because of the great elasticity of the flexible plate, it can transfer liquid or fatty ink to almost all types of materials. Flexographic printing is a light pressure printing method.

[0003] For example, the Chinese authorized patent with the announcement number CN207643873U (a double-sided coloring flexographic device) includes a first flexographic box, a second flexographic box, a first drying box and a second drying box. The first drying box and the second drying box are diagonally arranged, the first flexographic box and the second flexographic box are diagonally arranged, the first drying box is located directly above the first flexographic box, the second drying box is located directly below the second flexographic box, and the first drying box and the second drying box are communicated through a communication pipe. The first drying box and the second drying box are both internally provided with a temperature control module. The beneficial effect is that the device can cooperate with two groups of flexographic boxes and two groups of drying boxes to dry after single-sided printing, avoid damage to the guide roller and improve the printing quality. The two groups of drying boxes are communicated, which can balance the internal temperature of the drying box during equipment operation and improve the drying effect.

[0004] However, most of the existing flexographic hot air drying devices directly discharge hot air, and the hot air is discharged in the air. The drying of the flexographic paper will appear local heat and local cold phenomenon, resulting in low and uneven drying efficiency of the flexographic paper. Therefore, it does not meet the existing needs, and for this purpose, a high-efficiency hot air drying box is proposed. SUMMARY

[0005] The purpose of the present application is to provide a high-efficiency hot air drying box to solve the problem of the existing flexographic hot air drying device that most of the existing flexographic hot air drying devices directly discharge hot air, and the hot air is discharged in the air. The drying of the flexographic paper will appear local heat and local cold phenomenon, resulting in low and uneven drying efficiency of the flexographic paper.

[0006] To achieve the above purpose, the present application provides the following technical scheme: a high-efficiency hot air drying box, comprising: a hot air drying box body, a wind port extension seat is arranged on one side of the hot air drying box body, and the wind port extension seat and the hot air drying box body are an integral structure, and a mounting cavity is arranged on the lower surface of the hot air drying box body, and the mounting cavity and the hot air drying box body are an integral structure.

[0007] Further comprising:

[0008] The hot air box nozzle is arranged inside the mounting cavity, an opening of the mounting cavity is provided with a hot air drying box nozzle, and the hot air drying box nozzle and the hot air drying box body are in an integrated structure, and the inside of the hot air box nozzle is provided with an air uniformizing plate;

[0009] The hot air drying box air outlet is arranged on one side of the air outlet extension seat, and the hot air drying box air outlet and the air outlet extension seat are in an integrated structure, one side of the hot air drying box air outlet is provided with a hot air drying box air inlet, and the hot air drying box air inlet and the air outlet extension seat are in an integrated structure;

[0010] The air return path is arranged inside the hot air drying box body, and the air return path and the hot air drying box air outlet are in communication.

[0011] Preferably, one side surface of the hot air box nozzle is provided with a microporous air outlet, and the microporous air outlet and the hot air box nozzle are in an integrated structure, and one side of the hot air box nozzle is provided with an air knife air outlet.

[0012] Preferably, one end of the hot air box nozzle is provided with a nozzle air inlet, and the nozzle air inlet and the hot air box nozzle are in an integrated structure, and the outer wall of the nozzle air inlet is provided with a buckle plate assembly, and the buckle plate assembly and the hot air box nozzle are in an integrated structure.

[0013] Preferably, the inner wall of the mounting cavity is provided with a hot air box air distribution outlet, and the hot air box air distribution outlet and the hot air drying box body are in an integrated structure.

[0014] Preferably, a drying box body and nozzle sealing element is arranged between the hot air box air distribution outlet and the hot air box nozzle, and the drying box body and nozzle sealing element is a rubber sealing gasket.

[0015] Preferably, one end surface of the hot air drying box air outlet and the hot air drying box air inlet is provided with an air outlet connecting disc, and the two air outlet connecting discs are respectively in an integrated structure with the hot air drying box air outlet and the hot air drying box air inlet.

[0016] Preferably, the rear surface of the hot air drying box body is provided with a placing groove, and the placing groove and the hot air drying box body are in an integrated structure, one end of the placing groove is provided with a rotating groove, and the rotating groove and the placing groove are in an integrated structure, the inside of the placing groove is provided with a taking lifting ring, one end of the taking lifting ring is provided with a lifting ring rotating seat, and the lifting ring rotating seat and the taking lifting ring are in an integrated structure, the inside of the lifting ring rotating seat is provided with a rotating shaft, a ball bearing is arranged at the connection between the rotating shaft and the lifting ring rotating seat, and the rotating shaft is rotatably connected with the lifting ring rotating seat through the ball bearing, the inside bottom surface of the placing groove is provided with a flexible clamping plate, and the edge of the taking lifting ring is clamped into the inside of the flexible clamping plate.

[0017] Preferably, the outside of the hot air drying box body is provided with a transmission roller assembly, one side of the transmission roller assembly is provided with a first guide roller assembly, the other side of the transmission roller assembly is provided with a second guide roller assembly, one side of the second guide roller assembly is provided with a flexographic printing assembly, one side of the first guide roller assembly is provided with a take-up assembly, the take-up assembly, the first guide roller assembly, the transmission roller assembly, the second guide roller assembly and the flexographic printing assembly are communicated through flexographic printing paper.

[0018] Compared with the prior art, the present application has the following advantages:

[0019] 1、The hot air drying box body is provided with an installation cavity, the hot air box nozzle is clamped in the installation cavity, the hot air enters the hot air drying box body through the hot air drying box air inlet, is dispersed to the inside of the hot air box nozzle through the hot air box air distribution port, and is discharged from the micro-porous air outlet and the air knife air outlet, exchanges heat with the printing paper to perform drying operation, thereby drying the passing flexographic printing paper, the exchanged hot air is returned to the inside of the hot air drying box body through the return air path, and is uniformly discharged from the hot air drying box air outlet, the hot air box nozzle is a combined air outlet structure of the micro-porous air outlet and the air knife air outlet, the inside of the hot air box nozzle is designed with an air uniformizing plate to ensure uniform air outlet and high drying efficiency.

[0020] 2、The hot air drying box body is provided with a return air path, the hot air drying box air outlet is arranged on the side of the hot air drying box air inlet, the hot air drying box air outlet is used for discharging used hot air, the hot air drying box body is reasonably arranged, the return air path is in a spiral state, the return air speed is accelerated, and therefore the drying area is uniformly heated to further improve drying uniformity.

[0021] 3、The hot air drying box body is provided with a placing groove on the rear surface, a taking lifting ring is arranged in the placing groove, a lifting ring rotating seat at one end of the taking lifting ring rotates with a rotating shaft through a ball bearing, the taking lifting ring is rotated, personnel can easily lift and move the hot air drying box body, when not in use, the taking lifting ring is rotated into the placing groove, and the edge of the taking lifting ring is clamped in the flexible clamping plate, so that the taking lifting ring is limited and fixed, and is not easy to rotate. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a whole structure schematic view of the present application;

[0023] Figure 2 It is a hot air drying box body hot air flow structure schematic view of the present application;

[0024] Figure 3 It is a hot air drying box body explosion structure schematic view of the present application;

[0025] Figure 4The schematic view of the shaft side structure of the hot-air box nozzle of the present application;

[0026] Figure 5 The schematic view of the rear surface structure of the hot-air drying box body of the present application;

[0027] In the figure: 1, hot-air drying box body; 2, hot-air drying box nozzle; 3, hot-air drying box air outlet; 4, hot-air drying box air inlet; 5, drying box body and nozzle sealing element; 6, hot-air box nozzle; 7, hot-air box air distribution outlet; 8, air uniformizing plate; 9, microporous air outlet; 10, air knife air outlet; 11, air return path; 12, air outlet connecting disc; 13, air outlet extension seat; 14, mounting cavity; 15, nozzle air inlet; 16, buckle plate assembly; 17, placing groove; 18, rotating groove; 19, taking lifting ring; 20, lifting ring rotating seat; 21, ball bearing; 22, rotating shaft; 23, flexible clamping plate; 24, first guide roller assembly; 25, flexographic paper; 26, transmission roller assembly; 27, second guide roller assembly; 28, flexographic assembly; 29, take-up assembly. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0029] Please refer to Figures 1-5 An embodiment provided by the present application: a high-efficiency hot-air drying box, comprising: a hot-air drying box body 1, one side of the hot-air drying box body 1 is provided with an air outlet extension seat 13, and the air outlet extension seat 13 is an integral structure with the hot-air drying box body 1, the lower surface of the hot-air drying box body 1 is provided with a mounting cavity 14, and the mounting cavity 14 is an integral structure with the hot-air drying box body 1;

[0030] Further comprising:

[0031] A hot-air box nozzle 6 is arranged inside the mounting cavity 14, an opening of the mounting cavity 14 is provided with a hot-air drying box nozzle 2, and the hot-air drying box nozzle 2 is an integral structure with the hot-air drying box body 1, and the inside of the hot-air box nozzle 6 is provided with an air uniformizing plate 8;

[0032] A hot-air drying box air outlet 3 is arranged on one side of the air outlet extension seat 13, and the hot-air drying box air outlet 3 is an integral structure with the air outlet extension seat 13, one side of the hot-air drying box air outlet 3 is provided with a hot-air drying box air inlet 4, and the hot-air drying box air inlet 4 is an integral structure with the air outlet extension seat 13;

[0033] An air return path 11 is arranged inside the hot-air drying box body 1, and the air return path 11 is in communication with the hot-air drying box air outlet 3.

[0034] The hot air box nozzle 6 is installed inside the installation cavity 14 of the hot air drying box body 1, and the hot air box nozzle 6 is communicated with the hot air box air outlet 7 by the buckle plate assembly 16. The hot air enters the hot air drying box body 1 through the hot air drying box air inlet 4, is dispersed into the hot air box nozzle 6 by the hot air box air outlet 7, and then is discharged from the microporous air outlet 9 and the air knife air outlet 10. The hot air exchanges heat with the printed paper to perform drying operation, so that the passing flexographic paper 25 is dried, and the exchanged hot air flows back to the inside of the hot air drying box body 1 through the return air path 11, and then is uniformly discharged from the hot air drying box air outlet 3. The hot air box nozzle 6 is a combined air outlet structure of the microporous air outlet 9 and the air knife air outlet 10. The inside of the hot air box nozzle 6 is designed with the air uniformizing plate 8 to ensure uniform air outlet and high drying efficiency. The hot air drying box air outlet 3 is used for discharging the used hot air. The hot air drying box body 1 is reasonably arranged. The return air path 11 is in a spiral state to accelerate the return air speed, so as to ensure uniform heating of the drying area and further improve the drying uniformity.

[0035] Please refer to Figure 2 , 3 , one side surface of the hot air box nozzle 6 is provided with the microporous air outlet 9, and the microporous air outlet 9 and the hot air box nozzle 6 are an integral structure. One side of the hot air box nozzle 6 is provided with the air knife air outlet 10. The hot air box nozzle 6 is a combined air outlet structure of the microporous air outlet 9 and the air knife air outlet 10. The inside of the hot air box nozzle 6 is designed with the air uniformizing plate 8 to ensure uniform air outlet and high drying efficiency.

[0036] Please refer to Figure 4 , one end of the hot air box nozzle 6 is provided with the nozzle air inlet 15, and the nozzle air inlet 15 and the hot air box nozzle 6 are an integral structure. The outer wall of the nozzle air inlet 15 is provided with the buckle plate assembly 16, and the buckle plate assembly 16 and the hot air box nozzle 6 are an integral structure to fix the hot air box nozzle 6.

[0037] Please refer to Figure 3 , the inner wall of the installation cavity 14 is provided with the hot air box air outlet 7, and the hot air box air outlet 7 and the hot air drying box body 1 are an integral structure. The hot air enters the hot air drying box body 1 through the hot air drying box air inlet 4, is dispersed into the hot air box nozzle 6 by the hot air box air outlet 7, and then is discharged from the microporous air outlet 9 and the air knife air outlet 10.

[0038] Please refer to Figure 3 , the hot air box air outlet 7 and the hot air box nozzle 6 are provided with the drying box body and nozzle sealing element 5, and the drying box body and nozzle sealing element 5 is a rubber sealing pad to improve the connection sealing property and prevent air leakage.

[0039] Please refer to Figure 2, the outtake 3 and the intake 4 are provided with air port connecting plates 12, and the two air port connecting plates 12 are integrated with the outtake 3 and the intake 4, so that the outtake 3 and the intake 4 are externally connected and fixed.

[0040] Please refer to Figure 4 , the rear surface of the hot air drying box body 1 is provided with a placing groove 17, and the placing groove 17 is integrated with the hot air drying box body 1, one end of the placing groove 17 is provided with a rotating groove 18, and the rotating groove 18 is integrated with the placing groove 17, the inside of the placing groove 17 is provided with a taking lifting ring 19, one end of the taking lifting ring 19 is provided with a lifting ring rotating seat 20, and the lifting ring rotating seat 20 is integrated with the taking lifting ring 19, the inside of the lifting ring rotating seat 20 is provided with a rotating shaft 22, the connecting part of the rotating shaft 22 and the lifting ring rotating seat 20 is provided with a ball bearing 21, and the rotating shaft 22 is rotatably connected with the lifting ring rotating seat 20 through the ball bearing 21, the inside bottom surface of the placing groove 17 is provided with a flexible clamping plate 23, and the edge of the taking lifting ring 19 is clamped into the inside of the flexible clamping plate 23, so as to facilitate the rotation and taking of the taking lifting ring 19, and after the taking lifting ring 19 is rotated into the placing groove 17, it is clamped in the flexible clamping plate 23, which plays a limiting and anti-falling effect.

[0041] Please refer to Figure 1 , the outside of the hot air drying box body 1 is provided with a transmission roller assembly 26, one side of the transmission roller assembly 26 is provided with a first guide roller assembly 24, the other side of the transmission roller assembly 26 is provided with a second guide roller assembly 27, one side of the second guide roller assembly 27 is provided with a flexographic assembly 28, one side of the first guide roller assembly 24 is provided with a take-up assembly 29, the take-up assembly 29, the first guide roller assembly 24, the transmission roller assembly 26, the second guide roller assembly 27 and the flexographic assembly 28 are communicated through the flexographic paper 25, the flexographic paper 25 is driven by the take-up assembly 29, the first guide roller assembly 24, the transmission roller assembly 26, the second guide roller assembly 27 and the flexographic assembly 28, so as to be dried through the hot air drying box body 1.

[0042] Working principle: when in use, the hot air box nozzle 6 is installed inside the installation cavity 14 of the hot air drying box body 1, the hot air box nozzle 6 is communicated with the hot air box air outlet 7 by the buckle plate assembly 16, and the connection is sealed by the drying box body and the nozzle seal 5 to prevent air leakage, the flexographic paper 25 is driven by the take-up assembly 29, the first guide roller assembly 24, the transmission roller assembly 26, the second guide roller assembly 27 and the flexographic assembly 28, when passing through the hot air drying box body 1, hot air enters the hot air drying box body 1 through the hot air drying box air inlet 4, is dispersed to the inside of the hot air box nozzle 6 by the hot air box air outlet 7, and then is discharged from the micro-porous air outlet 9 and the air knife air outlet 10, exchanges heat with the printed paper road, that is, drying operation, so as to dry the passing flexographic paper 25, the exchanged hot air is returned to the inside of the hot air drying box body 1 through the return air path 11, and then is uniformly discharged from the hot air drying box air outlet 3, the hot air box nozzle 6 is a combined air outlet structure of the micro-porous air outlet 9 and the air knife air outlet 10, the inside of the hot air box nozzle 6 is designed with the air uniformizing plate 8 to ensure uniform air outlet and high drying efficiency, the hot air drying box air outlet 3 is used for discharging the used hot air, the hot air drying box body 1 is reasonably arranged, the return air path 11 is in a spiral state, the return air speed is accelerated, so as to ensure that the drying area is uniformly heated, and the drying uniformity is further improved.

[0043] It will be obvious to a person skilled in the art that the application is not limited to the details of the above-described exemplary embodiments but can be implemented in other embodiments without departing from the scope of the application. The scope of the application is defined by the claims and not by the description, and it is therefore intended that all changes and modifications that come within the meaning of the equivalent elements of the claims are to be embraced by the application. No reference signs in the claims should be considered as limiting the scope of the claims.

Claims

1. A high-efficiency hot air drying box, comprising a hot air drying box body (1), wherein an air outlet extension seat (13) is provided on one side of the hot air drying box body (1), and the air outlet extension seat (13) and the hot air drying box body (1) are integrally formed; wherein an installation cavity (14) is provided on the lower surface of the hot air drying box body (1), and the installation cavity (14) and the hot air drying box body (1) are integrally formed; Its features are: Also includes: Hot air box nozzle (6) is provided inside the mounting cavity (14). A hot air drying box nozzle (2) is provided at the opening of the mounting cavity (14). The hot air drying box nozzle (2) and the hot air drying box body (1) are an integral structure. A uniform air plate (8) is provided inside the hot air box nozzle (6). The hot air drying box outlet (3) is located on one side of the air outlet extension seat (13), and the hot air drying box outlet (3) and the air outlet extension seat (13) are an integral structure. The hot air drying box inlet (4) is located on one side of the hot air drying box outlet (3), and the hot air drying box inlet (4) and the air outlet extension seat (13) are an integral structure. The return air path (11) is located inside the hot air drying box body (1), and the return air path (11) is interconnected with the hot air drying box outlet (3); The hot air box nozzle (6) has a micro-hole air outlet (9) on one side surface, and the micro-hole air outlet (9) and the hot air box nozzle (6) are an integral structure. The hot air box nozzle (6) has an air knife air outlet (10) on one side. One end of the hot air box nozzle (6) is provided with a nozzle inlet (15), and the nozzle inlet (15) and the hot air box nozzle (6) are an integral structure. The outer wall of the nozzle inlet (15) is provided with a snap-on plate assembly (16), and the snap-on plate assembly (16) and the hot air box nozzle (6) are an integral structure. The inner wall of the mounting cavity (14) is provided with a hot air box air distribution port (7), and the hot air box air distribution port (7) and the hot air drying box body (1) are an integral structure; The hot air drying box outlet (3) and the hot air drying box inlet (4) are each provided with an air outlet connecting plate (12) on one end surface, and the two air outlet connecting plates (12) are integrated with the hot air drying box outlet (3) and the hot air drying box inlet (4) respectively. The rear surface of the hot air drying box body (1) is provided with a placement groove (17), and the placement groove (17) and the hot air drying box body (1) are an integral structure. One end of the placement groove (17) is provided with a rotating groove (18), and the rotating groove (18) and the placement groove (17) are an integral structure. The interior of the placement groove (17) is provided with a lifting ring (19), and one end of the lifting ring (19) is provided with a lifting ring rotating seat (20), and the lifting ring rotating seat (20) 20) The lifting ring (19) is an integral structure. The lifting ring rotating seat (20) is provided with a rotating shaft (22). A ball bearing (21) is provided at the connection between the rotating shaft (22) and the lifting ring rotating seat (20). The rotating shaft (22) is rotatably connected to the lifting ring rotating seat (20) through the ball bearing (21). A flexible card plate (23) is provided on the bottom surface of the placement groove (17). The edge of the lifting ring (19) is inserted into the flexible card plate (23). The hot air drying box body (1) is provided with a transmission roller assembly (26) on the outside. A first guide roller assembly (24) is provided on one side of the transmission roller assembly (26), and a second guide roller assembly (27) is provided on the other side of the transmission roller assembly (26). A flexographic printing assembly (28) is provided on one side of the second guide roller assembly (27), and a take-up assembly (29) is provided on one side of the first guide roller assembly (24). The take-up assembly (29), the first guide roller assembly (24), the transmission roller assembly (26), the second guide roller assembly (27) and the flexographic printing assembly (28) are connected by flexographic printing paper (25).

2. The high-efficiency hot air drying oven according to claim 1, characterized in that: A drying box body and nozzle sealing component (5) is provided between the hot air box air outlet (7) and the hot air box nozzle (6), and the drying box body and nozzle sealing component (5) is a rubber sealing gasket.

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