CN216936887U

CN216936887U - Suspension oven

Info

Publication number: CN216936887U
Application number: CN202220164995.5U
Authority: CN
Inventors: 杨震
Original assignee: Shenzhen Gimech Technology Corp
Current assignee: Shenzhen Gimech Technology Corp
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-07-12
Anticipated expiration: 2032-01-20

Abstract

The application provides a suspension oven, the power distribution box comprises a box body, drying tunnel and two plenums, the inner chamber of box is located to two plenum chambeies, and be located the upper and lower both sides of drying tunnel respectively, the plenum is equipped with a plurality of nozzles on towards the conch wall of drying tunnel, the shell of plenum has the great end of volume and the less end of volume, first air intake has been seted up to the lateral wall of the great end of volume, and be equipped with a plurality of aviation baffles in the shell of plenum, a plurality of aviation baffles form at least one wind-guiding passageway jointly, the one end of wind-guiding passageway is towards first air intake, the other end of wind-guiding passageway is towards the less end of volume. The utility model provides a suspension oven has adopted the built-in plenum that has a plurality of aviation baffles to design into the great end of volume and the less end of volume with the both ends of the shell of plenum, through cooperating with wind-guiding passageway, make the hot-blast flow to each tuyere evenly that gets into the plenum from first air intake, thereby solved the great technical problem that leads to hot-blast being difficult to evenly distribute to on a plurality of tuyeres of length span of plenum effectively.

Description

Suspension oven

Technical Field

The application belongs to the technical field of coating equipment, and more specifically relates to a suspension oven.

Background

With the high-speed development of new energy power lithium ion batteries, the capacity requirement and the quality requirement on a lithium ion battery pole piece are higher and higher. In the production process of the lithium ion battery pole piece, the manufactured slurry is coated on a base material (a battery pole piece) through a coating machine, and then the base material is dried by a drying device. The drying device is mainly an oven, and hot air is guided to a base material to be dried so as to dry and cure the slurry on the base material.

In the related art, the coater generally includes two kinds of ovens, one for pre-drying and the other for flash drying, wherein the oven for flash drying mainly performs flash drying on the slurry without fluidity to cure the slurry on the substrate. At present, an oven for quick drying generally adopts an upper air chamber and a lower air chamber, the length of the air chamber extends along the advancing direction of a base material, the span of the air chamber is large, however, an air inlet of the air chamber is generally positioned on the side wall of one end of the air chamber, and hot air is difficult to be uniformly distributed on a plurality of air nozzles.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a suspension oven, which comprises but is not limited to solving the technical problem that hot air is difficult to be uniformly distributed onto a plurality of air nozzles due to the large length span of an air chamber.

In order to achieve the above object, the present application provides a suspension oven for rapid drying of a substrate coated with a slurry, the suspension oven comprises an oven body, an oven tunnel and two air chambers, the oven tunnel penetrates through the inner cavity of the oven body, the two air chambers are accommodated in the inner cavity of the box body and are respectively positioned at the upper side and the lower side of the drying channel, the wall of the wind chamber facing the drying channel is provided with a plurality of air nozzles which are arranged at intervals along the advancing direction of the base material, the outer shell of the wind chamber is provided with a larger-volume end and a smaller-volume end, the side wall of the larger-volume end is provided with a first air inlet, and a plurality of air deflectors are arranged in the outer shell of the air chamber, the plurality of air deflectors jointly form at least one air guide channel, one end of the air guide channel faces the first air inlet, and the other end of the air guide channel faces the smaller-size end.

In some embodiments, the suspension oven further comprises a height adjustment assembly in driving connection with the plenum above the drying tunnel for driving the plenum up and down to adjust the height of the drying tunnel.

In some embodiments, the air nozzles of one of the air chambers are arranged offset from the air nozzles of the other air chamber; and/or the wind guide channel extends along a circular arc of 90 degrees.

In some embodiments, the box body comprises a first partition plate capable of dividing the inner cavity of the box body into a drying cavity and a hot air circulation cavity, the drying channel penetrates through the drying cavity, and the two air chambers are accommodated in the drying cavity; the first partition plate is provided with two first air outlets and two air return inlets, the two first air outlets are arranged on one side close to the outlet of the drying tunnel, are respectively positioned on the upper side and the lower side of the drying tunnel and are respectively connected with the first air inlets of the two air chambers, and the two air return inlets are arranged on one side close to the inlet of the drying tunnel and are respectively positioned on the upper side and the lower side of the drying tunnel.

In some embodiments, spoilers are respectively arranged on two side walls of the air chamber adjacent to the drying tunnel inlet, and the spoilers are arranged substantially horizontally.

In some embodiments, the box body further comprises a second partition plate and a third partition plate, the second partition plate and the third partition plate are arranged at intervals, and the second partition plate and the third partition plate divide the hot air circulation cavity into a heating area, a flow guiding area and a filtering area; the box wall of the box body is provided with an air supply port which is communicated with the heating area; heating pipes are arranged in the heating area, a fan is arranged in the flow guide area, and a filter element is arranged in the filter area.

In some embodiments, the second partition plate is located between the heating area and the flow guide area, and a first air vent is formed in the bottom of the second partition plate; the third partition plate is positioned between the flow guide area and the filtering area, and a second air vent is formed in the top of the third partition plate; the fan is arranged at the top of the diversion area, the air inlet of the fan faces the bottom of the diversion area, and the air outlet of the fan is connected with the second air ventilation opening.

In some embodiments, the suspension oven further includes a gas concentration detector disposed on an outer wall of the oven body and in communication with the oven cavity and the heating region.

In some embodiments, the heating zone is further provided with a first temperature sensor, and the filtering zone is further provided with a second temperature sensor, the second temperature sensor being located between the filter element and the first partition plate.

In some embodiments, the first air outlet is provided with a first shutter door, and the return air inlet is provided with a second shutter door; the suspension oven also comprises two first air volume adjusting assemblies and two second air volume adjusting assemblies, the first air volume adjusting assemblies are in driving connection with the blades of the first louver doors, and the second air volume adjusting assemblies are in driving connection with the blades of the second louver doors; the box body further comprises a first box door and an explosion-proof door, the first box door covers the box opening of the box body, the explosion-proof door covers the explosion-proof opening, and the box opening of the box body and the explosion-proof opening are respectively communicated with the baking cavity.

The application provides a suspension oven's beneficial effect: the air chamber with a plurality of air deflectors is arranged in the air chamber, two ends of a shell of the air chamber are designed to be a large-size end and a small-size end, and hot air entering the air chamber from a first air inlet formed in the side wall of the large-size end uniformly flows to each air nozzle through matching with the air guide channel, so that the technical problem that the hot air is difficult to uniformly distribute to the air nozzles due to large length span of the air chamber is effectively solved, and the drying effect of the base material is favorably ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic perspective view of a suspension oven provided in an embodiment of the present application;

fig. 2 is a schematic top view of a suspension oven provided in an embodiment of the present application;

FIG. 3 is a schematic view of an internal structure of a box provided in an embodiment of the present application;

FIG. 4 is a schematic cross-sectional view taken along the line A-A in FIG. 2;

FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 3;

FIG. 6 is a schematic perspective view of a height adjustment assembly provided in an embodiment of the present application;

FIG. 7 is a schematic cross-sectional view taken along line C-C of FIG. 2;

fig. 8 is a schematic cross-sectional view taken along the direction D-D in fig. 2.

Wherein, in the figures, the various reference numbers:

1-suspension oven, X-advancing direction of substrate;

10-box body, 11-first clapboard, 12-second clapboard, 13-third clapboard, 14-first box door, 15-explosion vent, 101-baking cavity, 102-hot air circulation cavity, 103-air supplement opening, 104-air exhaust opening, 111-first air outlet, 112-air return opening, 120-first air permeable opening, 130-second air permeable opening, 1021-heating area, 1022-diversion area and 1023-filtering area;

20-drying tunnel;

30-air chamber, 31-air nozzle, 32-air chamber shell, 33-spoiler, 310-second air inlet, 320-shell inner cavity, 321-first air inlet, 322-second air outlet, 323-air deflector, 3230-air guide channel;

40-height adjusting assembly, 41-first supporting seat, 42-second supporting seat, 43-third supporting seat, 44-stud, 45-first connecting shaft, 46-second connecting shaft, 47-first gear set, 48-second gear set, 440-nut, 450-first knob, 491-first bevel gear, 492-second bevel gear, 493-third bevel gear;

50-heater, 500-heating tube;

60, a fan;

70, a filter element;

81-gas concentration detector, 82-first temperature sensor, 83-second temperature sensor, 84-differential pressure gauge;

91-first air volume adjusting component, 92-second air volume adjusting component, 910-first shutter door, 920-second shutter door.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.

It should be noted that: when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected" to another element, it can be directly or indirectly connected to the other element.

The terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience of description only and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and therefore are not to be construed as limiting the patent, the particular meaning of which terms will be understood by those skilled in the art as appropriate.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The term "plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 5 together, the present application provides a suspension oven 1 for fast drying a substrate coated with a slurry, the suspension oven 1 includes a box 10, a drying tunnel 20 and two air chambers 30, wherein the drying tunnel 20 penetrates through an inner cavity of the box 10 for the substrate to pass through, the two air chambers 30 are accommodated in the inner cavity of the box 10, the two air chambers 30 are respectively located at upper and lower sides of the drying tunnel 20, a plurality of air nozzles 31 are disposed on a wall of each air chamber 30 facing the drying tunnel 20, the plurality of air nozzles 31 are spaced along an advancing direction X of the substrate (see fig. 3), a housing 32 of each air chamber 30 has a larger volume end and a smaller volume end (see fig. 4), a first air inlet 321 is disposed on a side wall of the larger volume end, a plurality of air deflectors 323 (see fig. 5) are disposed in the housing 32 of the air chamber 30, the plurality of air deflectors 323 together form at least one air guiding channel 3230, one end of the air guiding channel 3230 faces the first air inlet 321, and the other end of the air guiding channel 3230 faces the smaller end. It is understood that by "end of greater volume" is meant an end of greater volume as compared to "end of lesser volume" and by "end of greater volume" is meant an end of lesser volume as compared to "end of greater volume".

Specifically, the drying tunnel 20 is a virtual passageway through which the base material passes and which horizontally penetrates the inner cavity of the box 10, and an inlet and an outlet of the drying tunnel 20 are formed in two opposite side walls of the box 10; the two air chambers 30 have the same structure, each air chamber 30 comprises an air nozzle 31 and a housing 32, wherein the air nozzle 31 is fixedly installed on the wall of the housing 32 facing the drying tunnel 20, the air nozzle 31 has a second air inlet 310 and a third air outlet, the second air inlet 310 is opened at the bottom of the connection between the air nozzle 31 and the housing 32, the third air outlet is opened at the top of the drying tunnel 20 far away from the housing 32 of the air nozzle 31, the housing 32 has a housing inner cavity 320, a first air inlet 321 and a plurality of second air outlets 322, the housing inner cavity 320 comprises an inner cavity with a larger volume end and an inner cavity with a smaller volume end, the inner cavity with a larger volume end is larger than the inner cavity with a smaller volume end, the first air inlet 321 and the plurality of second air outlets 322 are communicated with the housing inner cavity 320, the first air inlet 321 is opened on the wall of the housing wall adjacent to the drying tunnel 20 at the larger volume end, the second air outlet 322 is opened on the wall of the housing 32 facing the drying tunnel 20, and correspond one-to-one to the tuyeres 31; the hot air generated by the suspension oven 1 enters the inner cavity 320 of the housing through the first air inlet 321, then is guided to the second air outlet 322 through the air guiding channel 3230 and the inner cavity 320 of the housing, and finally is blown to the substrate passing through the drying tunnel 20 from the third air outlet of the air nozzle 31 through the inner cavity of the air nozzle 31 through the second air outlet 322 and the second air inlet 310.

The application provides a suspension oven 1, the built-in plenum 30 that has a plurality of aviation baffles 323 that has been adopted, and design into the great end of volume and the less end of volume with the both ends of the shell 32 of plenum 30, through cooperating with wind-guiding passageway 3230, make the hot-blast even flow to each tuyere 31 that gets into plenum 30 from the first air intake 321 that sets up on the great end lateral wall of volume, thereby the length span of plenum has been solved effectively and has been led to the technical problem that hot-blast is difficult to distribute evenly on a plurality of tuyeres, be favorable to guaranteeing the stoving effect of substrate.

Optionally, referring to fig. 3 and fig. 6, as an embodiment of the levitation oven provided by the present application, the levitation oven 1 further includes a height adjustment assembly 40, and the height adjustment assembly 40 is drivingly connected to the air chamber 30 located above the drying tunnel 20, and is used for driving the air chamber 30 to move up and down to adjust the height of the drying tunnel 20. Specifically, the height adjusting assembly 40 includes two first supporting seats 41, two second supporting seats 42, two studs 44, a first connecting shaft 45 and two first gear sets 47, wherein two sidewalls of the casing 32 of the air chamber 30 above the drying tunnel 20, which are adjacent to the inlet (or outlet) of the drying tunnel 20, are respectively provided with one first supporting seat 41, the two second supporting seats 42 are fixedly mounted on the top wall of the cabinet 10 and are located at opposite sides of the air chamber 30, the position of the second supporting seat 42 corresponds to the position of the first supporting seat 41 in the vertical direction, each stud 44 is threadedly connected with a nut 440, two ends of the stud 44 respectively penetrate through the first supporting seat 41 and the second supporting seat 42, the nut 440 is fixedly mounted on the first supporting seat 41, the stud 44 is rotatably connected with the second supporting seat 42 through a bearing, the axis of the first connecting shaft 45 is perpendicular to the axis of the stud 44, two ends of the first connecting shaft 45 respectively penetrate through the two second supporting seats 42 and are rotatably connected with the second supporting seats 42 through bearings, each first gear set 47 at least comprises a first bevel gear 491 and a second bevel gear 492, the first bevel gear 491 is sleeved on the end part of the stud 44 penetrating through the second supporting seat 42, two ends of the first connecting shaft 45 are respectively sleeved with a second bevel gear 492, the first bevel gear 491 and the second bevel gear 492 in the same first gear set 47 are in meshed connection, and the end part of the first connecting shaft 45 facing to the box opening of the box body 10 is provided with a first knob 450; when the first knob 450 is rotated in a clockwise (or counterclockwise) direction, the first connecting shaft 45 rotates in the clockwise (or counterclockwise) direction and drives the two second bevel gears 492 to rotate in the clockwise (or counterclockwise) direction, each second bevel gear 492 drives the studs 44 to rotate through the first bevel gear 491, the two studs 44 drive the two nuts 440 to ascend synchronously when rotating, the two nuts 440 drive the air chambers 30 above the drying tunnel 20 to ascend through the two first supporting seats 41 when ascending, and the distance between the two air chambers 30 on the upper side and the lower side of the drying tunnel 20 is gradually increased, so that the height of the drying tunnel 20 is gradually increased; when the first knob 450 is rotated in a counterclockwise (or clockwise) direction, the first connecting shaft 45 rotates in the counterclockwise (or clockwise) direction and drives the two second bevel gears 492 to rotate in the counterclockwise (or clockwise) direction, each second bevel gear 492 drives the stud 44 to rotate through the first bevel gear 491, the two studs 44 drive the two nuts 440 to descend synchronously when rotating, the two nuts 440 drive the plenums 30 above the drying tunnel 20 to descend through the two first supporting seats 41 when descending, and the distance between the two plenums 30 on the upper and lower sides of the drying tunnel 20 is gradually reduced, so that the height of the drying tunnel 20 is gradually reduced.

Of course, in order to improve the stability of the air compartment 30 during the lifting process, the height adjusting assembly 40 may include four first supporting seats 41, two second supporting seats 42, two third supporting seats 43, four studs 44, a first connecting shaft 45, two second connecting shafts 46, two first gear sets 47 and two second gear sets 48, wherein two sidewalls of the casing 32 of the air compartment 30 above the drying tunnel 20 adjacent to the inlet (or outlet) of the drying tunnel 20 are respectively provided with two first supporting seats 41, the two first supporting seats 41 on the same side are arranged at intervals, the two third supporting seats 43 are fixedly mounted on the top wall of the cabinet 10 and are located on opposite sides of the air compartment 30, the third supporting seats 43 and the second supporting seats 42 are arranged at intervals, the axis of the second connecting shaft 46 is perpendicular to the axis of the first connecting shaft 45 and the axis of the studs 44, two ends of each second supporting seat 46 are respectively inserted into the second supporting seats 42 and the third supporting seats 43 on the same side, each first gear set 47 further comprises a third bevel gear 493, the structure of the third bevel gear 493 is consistent with that of the second bevel gear 492, each second gear set 48 comprises a first bevel gear 491 and a third bevel gear 493, two ends of the second connecting shaft 46 are respectively sleeved with the third bevel gear 493, the second bevel gear 492 and the third bevel gear 493 in the same first gear set 47 are respectively meshed with the first bevel gear 491, and the third bevel gear 493 in the same second gear set 48 is meshed with the first bevel gear 491; when the first knob 450 is rotated in a clockwise (or counterclockwise) direction, the first connecting shaft 45 rotates in a clockwise (or counterclockwise) direction, and drives the two second bevel gears 492 to rotate in a clockwise (or counterclockwise) direction, each second bevel gear 492 drives the first bevel gear 491 and the third bevel gear 493 of the first gear set 47 to rotate, the first bevel gear 491 of the first gear set 47 directly drives the stud 44 to rotate, the third bevel gear 493 of the first gear set 47 drives another stud 44 to rotate through the second connecting shaft 46 and the third bevel gear 493 and the first bevel gear 491 of the second gear set 48, the four studs 44 drive the four nuts 440 to synchronously ascend, the four nuts 440 ascend through the four first supporting seats 41 when ascending, so that the distance between the two air plenums 30 on the upper and lower sides of the drying tunnel 20 is gradually increased, so that the height of the drying tunnel 20 is gradually increased; when the first knob 450 is rotated in a counterclockwise (or clockwise) direction, the first connecting shaft 45 rotates in a counterclockwise (or clockwise) direction and drives the two second bevel gears 492 to rotate in a counterclockwise (or clockwise) direction, each second bevel gear 492 drives the first bevel gear 491 and the third bevel gear 493 in the first gear set 47 to rotate, the first bevel gear 491 in the first gear set 47 directly drives the stud 44 to rotate, the third bevel gear 493 in the first gear set 47 drives another stud 44 to rotate through the second connecting shaft 46 and the third bevel gear 493 and the first bevel gear 491 in the second gear set 48, the four studs 44 drive the four nuts 440 to synchronously descend, the four nuts 440 drive the air plenums 30 above the drying tunnel 20 to descend through the four first supporting seats 41 when descending, so that the distance between the two air plenums 30 on the upper and lower sides of the drying tunnel 20 is gradually reduced, thereby gradually reducing the height of the drying tunnel 20.

Optionally, referring to fig. 4 and 5, as an embodiment of the levitation oven provided by the present application, the air nozzles 31 of one air chamber 30 are disposed in a staggered manner with respect to the air nozzles 31 of the other air chamber 30, that is, the air nozzles 31 of the air chamber 30 located above the drying tunnel 20 are staggered with respect to the air nozzles 31 of the air chamber 30 located below the drying tunnel 20, so that the hot air in the drying tunnel 20 is more uniform, and the supporting force of the air cushion formed between the hot air blown from the air nozzles 31 and the substrate is equalized, so that the substrate keeps running smoothly along the center line of the drying tunnel 20, and the substrate is prevented from being scratched by the air nozzles 31 to cause damage; and/or, the air guide channel 3230 extends along an arc of 90 degrees, that is, the air guide channel 3230 extends along an arc path of 90 degrees, so that the path of the air guide channel 3230 is the shortest, which is beneficial to quickly and uniformly guiding the hot air blown from the first air inlet 321 to be dispersed into the inner cavity 320 of the housing of the whole air compartment 30.

Optionally, referring to fig. 4 and fig. 7, as a specific embodiment of the levitation drying oven provided by the present application, the oven body 10 includes a first partition plate 11, the first partition plate 11 can divide an inner cavity of the oven body 10 into a drying cavity 101 and a hot air circulation cavity 102, the drying tunnel 20 penetrates through the drying cavity 101, and the two air chambers 30 are accommodated in the drying cavity 101; the first partition 11 is provided with two first air outlets 111 and two air return openings 112, wherein the two first air outlets 111 are disposed near one side of the outlet of the drying tunnel 20, and are respectively located at the upper and lower sides of the drying tunnel 20, and are connected to the first air inlets 321 of the two air chambers 30, and the two air return openings 112 are disposed near one side of the inlet of the drying tunnel 20, and are respectively located at the upper and lower sides of the drying tunnel 20. In the process that the substrate passes through the drying tunnel 20, hot air can be continuously generated in the hot air circulation cavity 102, then the hot air can be blown into the two air chambers 30 from the two first air outlets 111 firstly, then the hot air is blown into the drying tunnel 20 through the plurality of air nozzles 31 which are arranged in an up-and-down staggered manner, then the hot air returns into the hot air circulation cavity 102 from the two air return openings 112 after passing through the surface of the substrate, the flowing direction of the hot air in the whole process is opposite to the advancing direction X of the substrate, so that the hot air can be fully contacted with the substrate, and the drying efficiency of the substrate is favorably improved.

Optionally, referring to fig. 3, as an embodiment of the levitation oven provided by the present application, spoilers 33 are respectively disposed on two sidewalls of the wind chamber 30 adjacent to the entrance of the drying tunnel 20, and the spoilers 33 are substantially horizontally disposed. Specifically, the number of the spoilers 33 is four, and two spoilers 33 are respectively fixed on two side walls of the casing 32 of the air compartment 30 adjacent to the inlet (or outlet) of the drying tunnel 20, are in a horizontal state or an almost horizontal state, and are separated and blocked at the interval between the air compartment 30 and the wall of the box body 10, so that the upward and downward flowing speed of the hot air blown out from the air nozzle 31 can be limited, the process of the hot air flowing back to the hot air circulation chamber 102 from the air return opening 112 is slowed down, the fluctuation of the air flow in the drying chamber 101 is favorably reduced, and the stability of the air flow in the drying chamber 101 is effectively improved.

Optionally, referring to fig. 7 and 8, as an embodiment of the levitation oven provided by the present application, the box body 10 further includes a second partition plate 12 and a third partition plate 13, wherein the second partition plate 12 and the third partition plate 13 are disposed at a distance, and the second partition plate 12 and the third partition plate 13 divide the hot air circulation chamber 102 into a heating area 1021, a flow guiding area 1022, and a filtering area 1023 (see fig. 8); meanwhile, the wall of the box body 10 is provided with an air supply port 103 (see fig. 7), and the air supply port 103 is communicated with the heating region 1021; a heating pipe 500 is provided in the heating region 1021, a fan 60 is provided in the flow guide region 1022, and a filter element 70 is provided in the filter region 1023. Specifically, after hot air flows back to the hot air circulation cavity 102 from the first air return opening 112 and the second air return opening 114, the hot air passes through the heating region 1021, the flow guiding region 1022 and the filtering region 1023 in sequence, and flows into the drying cavity 101 from the first air outlet 111 and the second air outlet 113 again, in the process, the hot air flowing back to the hot air circulation cavity 102 replenishes air from the air replenishing opening 103 in the heating region 1021 and is heated by the heating pipe 500, the air pressure is changed by the fan 60 in the flow guiding region 1022 to ensure the flow direction, and dust, pollution particles and the like carried by the hot air are removed by the filter element 70 in the filtering region 1023, so that the drying cavity 101 is ensured to be replenished with sufficient, sufficient and clean hot air, and the drying effect of the suspension oven 1 is ensured. It is understood that the heating duct 500 is a heat generating part of the heater 50, the heater 50 is mounted on the outer wall of the case 10, and the heating duct 500 is extended into the heating region 1021 through the wall of the case 10; air pressure sensors are arranged in the heating area 1021 and the filtering area 1023, and whether air needs to be supplemented from the air supplementing opening 103 is determined by measuring the air pressure difference between the heating area 1021 and the filtering area 1023, and a specific air pressure difference operator can know the air pressure difference through a pressure difference meter 84 arranged on the outer wall of the box body 10; the cabinet 10 is provided with a second door corresponding to the filter area 1023, and the filter cartridge 70 can be replaced by opening the second door.

Optionally, referring to fig. 8, as a specific embodiment of the suspension oven provided in the present application, the second partition plate 12 is located between the heating region 1021 and the diversion region 1022, and a first air vent 120 is disposed at the bottom of the second partition plate 12; the third partition plate 13 is positioned between the flow guide area 1022 and the filtering area 1023, and the top of the third partition plate 13 is provided with a second air vent 130; meanwhile, the fan 60 is disposed at the top of the flow guiding region 1022, the air inlet of the fan 60 faces the bottom of the flow guiding region 1022, and the air outlet of the fan 60 is connected to the second air inlet 130. Specifically, after the hot air enters the heating region 1021, the hot air naturally flows upwards and accumulates at the top of the heating region 1021, the first ventilation opening 120 is formed in the bottom of the second partition plate 12, and a negative pressure is formed in the flow guide region 1022 through the fan 60, so that the hot air is guided to pass through the heating pipe 500 and fully contact with the heating pipe 500, and then sequentially enters the flow guide region 1022 and the filtering region 1023, so that the heat of the heating pipe 500 can be fully utilized, and the hot air can reach the target temperature more quickly.

Optionally, referring to fig. 1 and fig. 2, as an embodiment of the levitation oven provided by the present application, the levitation oven 1 further includes a gas concentration detector 81, and the gas concentration detector 81 is disposed on an outer wall of the box 10 and is communicated with the oven cavity 101 and the heating region 1021. Specifically, because the slurry can volatilize some combustible particles in the process of water evaporation, the hot air doped with the combustible particles becomes combustible gas, once the concentration of the combustible gas exceeds a combustion threshold value, combustion easily occurs, the volume of the hot air rapidly expands to cause explosion, the gas concentration detector 81 can monitor the concentration of the combustible gas in the baking cavity 101 and the heating region 1021 in real time, once the concentration of the combustible gas is too high, the suspension oven 1 can discharge part of the hot air in the baking cavity 101 and/or the heating region 1021 through the exhaust port 104 arranged on the top wall of the box body 10, so that the concentration of the combustible gas in the baking cavity 101 and/or the heating region 1021 is reduced, and the use safety of the suspension oven 1 is favorably ensured.

Optionally, referring to fig. 4, fig. 7 and fig. 8, as an embodiment of the levitation oven provided by the present application, a first temperature sensor 82 is further disposed at heating region 1021, and a second temperature sensor 83 is further disposed at filtering region 1023, where second temperature sensor 83 is located between filter element 70 and first partition plate 11. Specifically, the inductive head of the first temperature sensor 82 extends into the gap of the heating tube 500 for monitoring the heating temperature of the heating tube 500; a second temperature sensor 83 is installed on the outer wall of the cabinet 10, and a sensing head of the second temperature sensor 83 is inserted between the filter cartridge 70 and the first partition 11 for monitoring the temperature of the hot wind to be introduced into the oven chamber 101.

Optionally, referring to fig. 1, fig. 2 and fig. 4, as an embodiment of the levitation oven provided in the present application, a first louver 910 is disposed at the first air outlet 111, and a second louver 920 is disposed at the first air return 112; meanwhile, the suspension oven 1 further comprises a first air volume adjusting assembly 91 and a second air volume adjusting assembly 92, wherein the first air volume adjusting assembly 91 is in driving connection with a blade of the first shutter door 910, and the second air volume adjusting assembly 92 is in driving connection with a blade of the second shutter door 920; in addition, the box body 10 further comprises a first box door 14 and an explosion door 15, wherein the first box door 14 covers a box opening of the box body 10, the explosion door 15 covers an explosion opening, and the box opening and the explosion opening of the box body 10 are respectively communicated with the oven cavity 101. Specifically, the first louver door 910 and the second louver door 920 respectively include a door frame and a plurality of blades, the blades are rotatably connected to the door frame, the first air volume adjusting assembly 91 and the second air volume adjusting assembly 92 respectively include a second knob and a worm and gear transmission structure, the second knob is mounted on the outer wall of the box body 10, and is convenient for an operator to control, the worm and gear transmission structure is connected with the second knob and the blades, when the operator rotates the knob, the worm and gear transmission structure drives the blades to rotate for a certain angle, so as to adjust the opening areas of the first air outlet 111 and the return air inlet 112; the first door 14 is openably and closably rotatably connected to the top wall of the oven body 10, and can be turned upwards to open the opening of the oven after being opened, so that an operator can conveniently maintain and repair parts installed in the oven cavity 101; the explosion-proof door 15 is openably and closably rotatably connected to the top wall of the box body 10 to close the explosion-proof opening formed in the top wall of the box body 10, and when the gas concentration in the oven cavity 101 is too high, the combustible gas can be rapidly discharged by opening the explosion-proof door 15, which is beneficial to preventing explosion.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a suspension oven for carry out fast drying to the substrate that has the thick liquids of coating, its characterized in that: the suspension drying oven comprises a box body, a drying tunnel and two air chambers, wherein the drying tunnel penetrates through an inner cavity of the box body and is used for allowing the base material to pass through, the two air chambers are accommodated in the inner cavity of the box body and are respectively positioned on the upper side and the lower side of the drying tunnel, a plurality of air nozzles are arranged on the wall of the drying tunnel, facing the air chambers, and are arranged at intervals along the advancing direction of the base material, a shell of each air chamber is provided with a large-volume end and a small-volume end, a first air inlet is formed in the side wall of the large-volume end, a plurality of air deflectors are arranged in the shell of each air chamber and jointly form at least one air guide channel, one end of each air guide channel faces the first air inlet, and the other end of each air guide channel faces the small-volume end.

2. The suspension oven of claim 1, wherein: the drying tunnel is characterized by further comprising a height adjusting assembly, wherein the height adjusting assembly is in driving connection with the air chamber located above the drying tunnel and used for driving the air chamber to ascend and descend so as to adjust the height of the drying tunnel.

3. The suspension oven of claim 1, characterized in that: the air nozzle of one air chamber is arranged in a staggered manner with the air nozzle of the other air chamber; and/or the wind guide channel extends along a circular arc of 90 degrees.

4. The suspension oven of claim 1, wherein: the box body comprises a first partition plate which can divide an inner cavity of the box body into a drying cavity and a hot air circulation cavity, the drying channel penetrates through the drying cavity, and the two air chambers are accommodated in the drying cavity; the first partition plate is provided with two first air outlets and two air return inlets, the two first air outlets are arranged on one side close to the outlet of the drying tunnel, are respectively positioned on the upper side and the lower side of the drying tunnel and are respectively connected with the first air inlets of the two air chambers, and the two air return inlets are arranged on one side close to the inlet of the drying tunnel and are respectively positioned on the upper side and the lower side of the drying tunnel.

5. The suspension oven of claim 4, wherein: spoilers are respectively arranged on two side walls of the air chamber adjacent to the drying channel inlet, and the spoilers are arranged in a substantially horizontal mode.

6. The suspension oven of claim 4, wherein: the box body further comprises a second partition plate and a third partition plate, the second partition plate and the third partition plate are arranged at intervals, and the second partition plate and the third partition plate divide the hot air circulation cavity into a heating area, a flow guide area and a filtering area; the box wall of the box body is provided with an air supplementing port, and the air supplementing port is communicated with the heating region; heating pipes are arranged in the heating area, a fan is arranged in the flow guide area, and a filter element is arranged in the filter area.

7. The suspension oven of claim 6, wherein: the second partition plate is positioned between the heating area and the flow guide area, and a first air vent is formed in the bottom of the second partition plate; the third partition plate is positioned between the flow guide area and the filtering area, and a second air vent is formed in the top of the third partition plate; the fan is arranged at the top of the flow guide area, the air inlet of the fan faces the bottom of the flow guide area, and the air outlet of the fan is connected with the second air ventilating opening.

8. The suspension oven of claim 6, wherein: the oven is characterized by further comprising a gas concentration detector, wherein the gas concentration detector is arranged on the outer wall of the box body and communicated with the baking cavity and the heating area.

9. The suspension oven of claim 6, wherein: the heating area is also provided with a first temperature sensor, the filtering area is also provided with a second temperature sensor, and the second temperature sensor is positioned between the filter element and the first clapboard.

10. The suspension oven according to any one of claims 4 to 9, characterized in that: a first shutter door is arranged at the first air outlet, and a second shutter door is arranged at the air return inlet; the suspension oven also comprises two first air volume adjusting assemblies and two second air volume adjusting assemblies, the first air volume adjusting assemblies are in driving connection with the blades of the first louver doors, and the second air volume adjusting assemblies are in driving connection with the blades of the second louver doors; the box body further comprises a first box door and an explosion door, the first box door covers the box opening of the box body, the explosion door covers the explosion opening, and the box opening of the box body and the explosion opening are respectively communicated with the baking cavity.