阅读说明：本技术 一种循环干燥装置 (Circulation drying device ) 是由 钱惠康 代二宝 毛伟 于 2021-08-13 设计创作，主要内容包括：本发明公开了一种循环干燥装置,包括具有内腔的壳体、传送机构、加热箱、第一风机和第二风机；内腔包括第一腔体和第二腔体,第一腔体包括第一出风腔和第一吸风腔,第一出风腔内设有第一出风箱,第一风机的吸入端和输出端分别与第一吸风腔和第一出风箱相连通；第二腔体包括第二吸风腔和第二出风腔,第二出风腔内设有第二出风箱,第二风机的吸入端和输出端分别与第二吸风腔和加热箱相连通,加热箱与第二出风箱相连通。本发明的循环干燥装置,第二风机和加热箱配合能够实现空气循环加热并干燥型材的目的,节约了能耗；第二风机能够实现热空气在第二腔体内的循环,保证了对型材的干燥效果。(The invention discloses a circulating drying device which comprises a shell with an inner cavity, a conveying mechanism, a heating box, a first fan and a second fan, wherein the conveying mechanism is arranged on the shell; the inner cavity comprises a first cavity and a second cavity, the first cavity comprises a first air outlet cavity and a first air suction cavity, a first air outlet box is arranged in the first air outlet cavity, and the suction end and the output end of the first fan are respectively communicated with the first air suction cavity and the first air outlet box; the second cavity comprises a second air suction cavity and a second air outlet cavity, a second air outlet box is arranged in the second air outlet cavity, the suction end and the output end of the second fan are respectively communicated with the second air suction cavity and the heating box, and the heating box is communicated with the second air outlet box. According to the circulating drying device, the second fan is matched with the heating box, so that the purposes of circularly heating air and drying the section bar can be achieved, and energy consumption is saved; the second fan can realize the circulation of hot air in the second cavity, and the drying effect on the sectional material is ensured.)

1. A circulation drying device is characterized in that: the device comprises a shell with an inner cavity, a conveying mechanism for conveying a section bar through the inner cavity, a heating box connected to the shell and used for outputting hot air, a first fan and a second fan for circulating the hot air;

the inner cavity comprises a first cavity and a second cavity which are respectively positioned at two sides of the conveying direction of the section bar, the first cavity comprises a first air outlet cavity and a first air suction cavity which are sequentially arranged along the conveying direction of the section bar, a first air outlet box is arranged in the first air outlet cavity, and the suction end and the output end of the first air outlet box are respectively communicated with the first air suction cavity and the first air outlet box;

the second cavity comprises a second air suction cavity and a second air outlet cavity which are sequentially arranged along the conveying direction of the sectional material, a second air outlet box is arranged in the second air outlet cavity, the suction end and the output end of the second fan are respectively communicated with the second air suction cavity and the heating box, and the heating box is communicated with the second air outlet box.

2. A circulation drying apparatus according to claim 1, wherein: a plurality of air outlets are respectively formed in one side parts, facing the section bar, of the first air outlet box and the second air outlet box, and the air outlets are arranged in a rectangular array.

3. A circulation drying apparatus according to claim 2, wherein: the air outlet is a long hole and extends along the direction vertical to the conveying direction of the section bar.

4. A circulation drying apparatus according to claim 1, wherein: the circulating drying device further comprises an air suction opening, a screen plate and a plurality of air holes, wherein the air suction opening is formed in the cavity wall of the second air suction cavity and communicated with the suction end of the second fan, the screen plate is covered on the air suction opening, and the air holes are arranged on the screen plate in a rectangular array mode.

5. A circulation drying apparatus according to claim 1, wherein: the circulating drying device also comprises two air conveying pipes which are respectively communicated between the output end of the first fan and the first air outlet box and between the output end of the second fan and the heating box.

6. A circulation drying apparatus according to claim 1, wherein: the circulation drying device is characterized in that the second cavity is internally provided with a second air suction cavity, the second air suction cavity is far away from the isolation platform on one side of the second air outlet box, the isolation platform is close to the baffle on one side of the second air suction cavity, and the baffle is arranged in a manner of inclining upwards along the direction close to the second air suction cavity.

7. A circulation drying apparatus according to claim 1, wherein: transport mechanism includes that two are located respectively the transfer roller subassembly at section bar direction of transfer's both ends, every the transfer roller subassembly respectively including around rotatable locating of its self axial lead direction first roller, interval arrangement in the frame a plurality of first running rollers on the first roller, the axis of rotation of first roller extend along the horizontal direction and with the direction of transfer of section bar is mutually perpendicular, the section bar has a plurality of and every the both ends of section bar set up respectively and correspond on the first running roller.

8. A circulation drying apparatus according to claim 7, wherein: the conveying mechanism further comprises two limiting assemblies which are respectively positioned on one side of the conveying roller assembly, which is far away from the shell, each limiting assembly respectively comprises a plurality of limiting roller sets which are arranged on the rack at intervals, the arrangement directions of the limiting roller sets are parallel to the extension direction of the first roller shaft, each limiting roller set respectively comprises two limiting rollers which are arranged side by side, a limiting area is formed between the two limiting rollers, and the end part of the section bar is arranged in the limiting area in a penetrating mode.

9. A circulation drying apparatus according to claim 8, wherein: each limiting roller comprises a second roller shaft which is rotatably arranged on the rack around the axial lead direction of the limiting roller, and a second roller wheel which is sleeved on the second roller shaft, the rotating axis of the second roller shaft extends along the vertical direction, and a limiting area is formed between the two second roller wheels which form the limiting roller group.

10. A circulation drying apparatus according to claim 1, wherein: the shell comprises an upper shell with the first cavity and a lower shell with the second cavity, the upper shell and the lower shell are hinged with each other, and the circulating drying device further comprises a power cylinder assembly for driving the upper shell and the lower shell to be opened or closed relatively.

Technical Field

The invention relates to a circulating drying device.

Background

The section bar is an object with a certain geometric shape, which is made of iron or steel and materials with certain strength and toughness (such as plastics, aluminum, glass fibers and the like) through processes of rolling, extruding, casting and the like.

In the production process of the section bar (such as the multi-channel aluminum alloy flat tube), the section bar needs to be cooled by water and dried. The existing drying device usually sucks air directly from the outside to heat and then blows the air to the section bar so as to achieve the purpose of drying the section bar. However, the air is directly sucked from the outside and heated, and the energy consumption thereof is high; meanwhile, the introduced hot air cannot be effectively circulated, so that heat exchange dead angles exist, and the drying effect of the section bar is influenced.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a circulating drying device.

In order to achieve the purpose, the invention adopts the technical scheme that:

a circulating drying device comprises a shell with an inner cavity, a conveying mechanism for conveying a section bar through the inner cavity, a heating box connected to the shell and used for outputting hot air, a first fan and a second fan, wherein the first fan and the second fan are used for circulating the hot air;

the inner cavity comprises a first cavity and a second cavity which are respectively positioned at two sides of the conveying direction of the section bar, the first cavity comprises a first air outlet cavity and a first air suction cavity which are sequentially arranged along the conveying direction of the section bar, a first air outlet box is arranged in the first air outlet cavity, and the suction end and the output end of the first air outlet box are respectively communicated with the first air suction cavity and the first air outlet box;

the second cavity comprises a second air suction cavity and a second air outlet cavity which are sequentially arranged along the conveying direction of the sectional material, a second air outlet box is arranged in the second air outlet cavity, the suction end and the output end of the second fan are respectively communicated with the second air suction cavity and the heating box, and the heating box is communicated with the second air outlet box.

Preferably, a plurality of air outlets are respectively formed in one side of the first air outlet box and one side of the second air outlet box, which face the section bar, and the air outlets are arranged in a rectangular array.

Further preferably, the air outlet is a long hole and extends along a direction perpendicular to the conveying direction of the profile.

Preferably, the circulating drying device further comprises an air suction opening which is arranged on the wall of the second air suction cavity and communicated with the suction end of the second fan, a screen plate which is covered on the air suction opening, and a plurality of air holes which are arranged on the screen plate in a rectangular array manner.

Preferably, the circulation drying device further comprises two air delivery pipes respectively communicated between the output end of the first fan and the first air outlet box and between the output end of the second fan and the heating box.

Preferably, the circulation drying device is further including locating in the second cavity and being located the second induced draft chamber is kept away from the isolation platform of second air-out case one side, locate the isolation platform is close to the baffle of second induced draft chamber one side, the baffle is along being close to the setting of the direction tilt up of second induced draft chamber.

Preferably, transport mechanism includes that two are located respectively the transfer roller subassembly at section bar direction of transfer's both ends, every the transfer roller subassembly respectively including around rotatable locating of its self axial lead direction first roller, interval arrangement in on the frame a plurality of first running rollers, the axis of rotation of first roller extend along the horizontal direction and with the direction of transfer of section bar is mutually perpendicular, the section bar have a plurality of and every the both ends of section bar set up respectively in corresponding on the first running roller.

Further preferably, the conveying mechanism further comprises two limiting assemblies respectively located on one side, far away from the shell, of the conveying roller assembly, each limiting assembly respectively comprises a plurality of limiting roller sets arranged on the rack at intervals, the arrangement directions of the limiting roller sets are parallel to the extension direction of the first roller shaft, each limiting roller set respectively comprises two limiting rollers arranged side by side, a limiting area is formed between the two limiting rollers, and the end portion of the profile penetrates through the limiting area.

Still further preferably, each of the limiting rollers respectively comprises a second roller shaft which is rotatably arranged on the rack around the axis line direction of the limiting roller, and a second roller wheel which is sleeved on the second roller shaft, the rotation axis of the second roller shaft extends along the vertical direction, and the limiting area is formed between the two second roller wheels which form the limiting roller group.

Preferably, the housing comprises an upper housing having the first cavity, a lower housing having the second cavity, the upper housing and the lower housing are hinged to each other, and the circulating drying device further comprises a power cylinder assembly for driving the upper housing and the lower housing to open or close relatively.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the circulating drying device, the purposes that air is circularly heated in the first cavity and dried sectional materials are output can be achieved through the matching of the second fan and the heating box, and energy consumption is greatly saved; meanwhile, through the arrangement of the second fan, the circulation of hot air in the second cavity can be realized, heat exchange dead angles are eliminated, and the drying effect on the sectional materials is ensured.

Drawings

FIG. 1 is a schematic structural view of a circulation drying apparatus in an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view B-B of FIG. 1;

FIG. 4 is a schematic cross-sectional view taken along line C-C of FIG. 3;

FIG. 5 is a schematic cross-sectional view taken along line D-D of FIG. 1.

In the figure: 1. an inner cavity; 1a, a first cavity; 1a1, a first air outlet cavity; 1a2, a first air suction cavity; 1b, a second cavity; 1b1, a second air suction cavity; 1b2 and a second air outlet cavity; 2. a housing; 2a, an upper shell; 2b, a lower shell; 3. a heating box; 4. a first fan; 5. a second fan; 6. a first air outlet box; 7. a second air outlet box; 8. an air outlet; 9. an air suction opening; 10. a screen plate; 11. a wind hole; 12. a wind delivery pipe; 13. an isolation stage; 14. a baffle plate; 15. a conveyor roller assembly; 15a, a first roller shaft; 15b, a first roller; 16. a limiting component; 16a, a limiting roller; 16a1, second roller shaft; 16a2, a second roller; 16b, a limiting area; 17. a power cylinder assembly; 17a, a cylinder body; 17b, a piston rod; 18. mounting a plate; 19. a support frame; 20. an air pump; 21. an electric heating tube;

30. aluminum alloy flat tube.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings.

The invention relates to an improvement of a circulating drying device for a section bar, in particular to a circulating drying device for an aluminum alloy flat tube, which can realize the purposes of circularly heating air in a first cavity 1a and outputting and drying the aluminum alloy flat tube by matching a second fan 5 and a heating box 3, thereby greatly saving energy consumption; meanwhile, through the arrangement of the second fan 5, the circulation of hot air in the second cavity 1b can be realized, heat exchange dead angles are eliminated, and the drying effect on the aluminum alloy flat pipe is ensured.

Referring to fig. 1-5, there is shown a circulation drying device, which comprises a housing 2 having an inner cavity 1, a conveying mechanism for conveying an aluminum alloy flat pipe 30 through the inner cavity 1, a heating box 3 connected to the housing 2 for outputting hot air, a first fan 4 and a second fan 5 for circulating the hot air; here, an electric heating tube 21 is provided in the heating box 3.

The inner cavity 1 comprises a first cavity 1a and a second cavity 1b which are respectively positioned at two sides of the conveying direction of the aluminum alloy flat pipe 30, the first cavity 1a comprises a first air outlet cavity 1a1 and a first air suction cavity 1a2 which are sequentially arranged along the conveying direction of the aluminum alloy flat pipe 30, a first air outlet box 6 is arranged in the first air outlet cavity 1a1, and the suction end and the output end of the first fan 4 are respectively communicated with the first air suction cavity 1a2 and the first air outlet box 6;

the second cavity 1b comprises a second air suction cavity 1b1 and a second air outlet cavity 1b2 which are sequentially arranged along the conveying direction of the aluminum alloy flat tube 30, a second air outlet box 7 is arranged in the second air outlet cavity 1b2, the suction end and the output end of the second fan 5 are respectively communicated with the second air suction cavity 1b1 and the heating box 3, and the heating box 3 is communicated with the second air outlet box 7.

So, when aluminum alloy flat pipe 30 passes through inner chamber 12 under transport mechanism's effect, second fan 5 is inhaled the cold air from second air suction chamber 1b1 and is exported from second air outlet chamber 1b2 after heating to heating cabinet 3, realizes the drying to aluminum alloy flat pipe 30. In this example, the heating box 3 is disposed below the first air suction cavity 1a2, and the heating pipe in the heating box 3 is prevented from being directly baked on the aluminum alloy flat pipe 30 by blocking the box plate of the heating box 3 therebetween, however, after blocking, the first air suction cavity 1a2 above the heating box 3 has a heat exchange dead angle, hot air cannot flow to the upper side of the heating box 3, at this time, the first fan 4 is started to suck hot air in the second air outlet cavity 1b2 to the first air suction cavity 1a2, and then the hot air is output from the first air outlet cavity 1a1, so that hot air circulation is realized, and the heat exchange dead angle is eliminated.

In this embodiment, a plurality of air outlets 8 are respectively opened towards one side part of the aluminum alloy flat tube 30 of the first air outlet box 6 and the second air outlet box 7, and the plurality of air outlets 8 are arranged in a rectangular array. The air outlet 8 is a long hole and extends along the conveying direction perpendicular to the aluminum alloy flat tube 30. The aluminum alloy flat tube 30 can be guaranteed to be dry and uniform in the width direction by the arrangement of the long holes.

The circulating drying device also comprises an air suction opening 9 which is arranged on the cavity wall of the second air suction cavity 1b1 and is communicated with the suction end of the second fan 5, a screen plate 10 which is covered on the air suction opening 9, and a plurality of air holes 11 which are arranged on the screen plate 10 in a rectangular array. Here, because second air suction chamber 1b1 is located the front end of the flat 30 direction of transfer of aluminum alloy, can have impurity on the flat 30 of aluminum alloy this moment, the setting of otter board 10 can guarantee that second fan 5 is with impurity filtering when absorbing the air from second air suction chamber 1b 1.

In this example, the wall of the first air suction chamber 1a2 is also provided with the air suction opening 9.

In this embodiment, the circulation drying device further includes two air ducts 12 respectively communicating between the output end of the first fan 4 and the first air outlet box 6, and between the output end of the second fan 5 and the heating box 3.

Preferably, the circulating drying device further comprises an isolation platform 13 arranged in the second cavity 1b and located on one side of the second air suction chamber 1b1 far away from the second air outlet box 7, and a baffle plate 14 arranged on one side of the isolation platform 13 close to the second air suction chamber 1b1, wherein the baffle plate 14 is arranged in an upward inclined manner along the direction close to the second air suction chamber 1b 1. The isolation platform 13 is provided to isolate the second air suction chamber 1b1 from the edge of the casing 2, so as to prevent the second fan 5 from sucking cold air outside the casing 2 when in operation; and the baffle plate 14 can further ensure that the wind sucked by the second fan 5 is the wind circulating in the inner cavity 1, and prevent the wind outside the shell 2 from being sucked.

In this embodiment, transport mechanism includes that two are located the transfer roller subassembly 15 at the both ends of the flat 30 direction of transfer of aluminum alloy respectively, every transfer roller subassembly 15 includes respectively that it is rotatable around its self axial lead direction locates the first roller 15a in the frame, a plurality of first running rollers 15b of interval arrangement on first roller 15a, the axis of rotation of first roller 15a extends along the horizontal direction and is mutually perpendicular with the direction of transfer of the flat 30 pipe of aluminum alloy, flat 30 pipe of aluminum alloy has a plurality ofly and the both ends of every flat 30 pipe of aluminum alloy are set up respectively on the first running roller 15b that corresponds. Here, the two first roller shafts 15a are driven rollers, and both ends of the flat aluminum alloy tubes 30 are overlapped on the corresponding first rollers 15b during conveyance and are driven by a driving unit in a preceding or subsequent process to advance.

Transport mechanism still includes two spacing subassemblies 16 that are located the transfer roller subassembly 15 respectively and keep away from 2 one sides of casing, every spacing subassembly 16 includes a plurality of spacing roller 16a groups of arranging in the frame at intervals respectively, the orientation of arranging of a plurality of spacing roller 16a groups parallels with the extending direction of first roller 15a, every spacing roller 16a group includes two spacing rollers 16a that set up side by side respectively, form spacing region 16b between two spacing rollers 16a, aluminum alloy flat tube 30's tip is worn to locate in spacing region 16 b.

Each of the spacing rollers 16a includes a second roller shaft 16a1 rotatably disposed on the frame around its own axial line direction, and a second roller wheel 16a2 sleeved on the second roller shaft 16a1, the rotation axis of the second roller shaft 16a1 extends along the vertical direction, and a spacing area 16b is formed between two second roller wheels 16a2 forming the spacing roller 16a group. So, at the in-process of the aluminium alloy flat pipe 30 forward conveying, two second running rollers 16a2 contradict respectively in the both sides portion of the flat pipe 30 width direction of aluminium alloy, realize the spacing direction to the flat pipe 30 of aluminium alloy.

In this example, mounting plates 18 are provided at both ends of the housing 2, and the transport mechanism is provided on the mounting plates 18, wherein the first roller shaft 15a is rotatably provided on a support frame 19.

In this embodiment, the housing 2 includes an upper housing 2a having a first cavity 1a, a lower housing 2b having a second cavity 1b, the upper housing 2a and the lower housing 2b are hinged to each other, and the circulation drying apparatus further includes a power cylinder assembly 17 for driving the upper housing 2a and the lower housing 2b to be relatively opened or closed. The power cylinder assembly 17 comprises a cylinder body 17a hinged on the upper shell 2a and a piston rod 17b telescopically arranged in the cylinder body 17a, and the end part of the piston rod 17b is hinged on the lower shell 2 b. The power cylinder is a cylinder, and the air pump 20 is used for inflating and deflating the cylinder to realize the relative opening and closing of the upper shell 2a and the lower shell 2 b.

The following specifically explains the working process of this embodiment: aluminum alloy flat pipe 30 is through inner chamber 1 under transport mechanism's effect, the air suction heating box 3 back from second air outlet chamber 1b2 output in the second air suction chamber 1b1 of second fan 5, the realization is to aluminum alloy flat pipe 30's drying, first fan 4 inhales the heat transfer dead angle to heating box 3 top with the hot-blast in the second air outlet chamber 1b2, aluminum alloy flat pipe 30 to this department dries, inhale the back from first air suction chamber 1a2 afterwards and export from first air outlet chamber 1a1, realize heated air circulation.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.