CN115787339A - Paperboard drying device - Google Patents

Abstract

The invention discloses a paperboard drying device, and belongs to the technical field of paperboard drying. The invention discloses a paperboard drying device which comprises hot air drying units, paperboard conveying units and a conveying shaft frame, wherein the hot air drying units are arranged among the paperboard conveying units. In order to solve the problem that the surfaces and the inner parts of the paperboard can not be uniformly dried by hot air flow in a drying space, the paperboard area which is excessively dried is prone to wrinkles, each hot air drying unit can be responsible for conveying the hot air flow to the paperboard conveying units at two ends of the hot air drying unit, and meanwhile each paperboard conveying unit can also receive the hot air flow from the hot air drying units at two ends, so that the hot air flow can be folded from two ends to the center, the uniform distribution of heat can be ensured, the hot air drying units can realize hot air conveying and can perform air exhaust operation above each node, and when uniform heat supply is realized, the inner steam can be timely exhausted.

Description

Paperboard drying device

Technical Field

The invention relates to the technical field of paperboard drying, in particular to a paperboard drying device.

Background

The paper board is usually made from various plant fibers as raw materials and is also added with non-plant fibers and made on a paper board machine. Some special paperboards are also mixed with animal fibers such as wool and the like or mineral fibers such as asbestos and the like; the invention with the application number of 201711036644.6 discloses a paperboard drying device, paperboards are conveyed to a limiting mechanism through a conveyor to sequentially and orderly enter a drying box through a feeding platform, drying hot air is conveyed into the drying box through an air inlet pipe by a hot air box and then is discharged from an air outlet, the paperboards are dried, the structure is simple, the drying efficiency is high, the drying quality is good, the paperboards enter the drying mechanism, a third motor drives a fourth piston and a fourth piston shaft to drive a first limiting plate to move in the vertical direction, the limiting and fixing of the periphery of the paperboards are realized, a fourth motor drives a fifth piston and a fifth piston shaft to drive a second limiting plate to move in the vertical direction, the limiting and fixing of the central position of the paperboards are realized, hot air generated by heating of the hot air box enters a drying chamber through an air inlet pipe and a first conveying pipe, the purpose that the paperboards limited and fixed in the drying chamber are dried is realized, the hot air is discharged from the second conveying pipe through the air outlet, the periphery and the center of the paperboards can be limited and fixed, the hot air is prevented from being expanded after the limiting and the hot air is limited and the hot air is prevented from being used, the deformation, and the normal cold shrinkage of the paperboards can be improved.

1) The paperboard is dried by hot air, but the surface and the interior of the paperboard cannot be uniformly dried by the hot air flow in the drying space, and the excessively dried paperboard area is easy to wrinkle;

2) The paperboard needs to be controlled relatively accurately according to the total amount of the internal water in the drying process, and the traditional conveying structure can only realize the conveying operation of the paperboard and has no other expansibility; thus, the present need is not met, for which we propose a board drying apparatus.

Disclosure of Invention

The invention aims to provide a paperboard drying device, each hot air drying unit is responsible for conveying hot air flow to the paperboard conveying units at two ends of the paperboard drying device, and meanwhile, each paperboard conveying unit also receives the hot air flow from the hot air drying units at two ends, so that the hot air flow can be folded from two ends to the center, the uniform distribution of heat can be ensured, the hot air drying units can perform air exhaust operation above each node while realizing hot air conveying, the internal steam can be timely exhausted while realizing uniform heat supply, and the problems in the prior art can be solved.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a cardboard drying device, includes hot air drying unit, cardboard conveying unit and delivery shaft frame, hot air drying unit sets up between cardboard conveying unit, hot air drying unit includes transfer platform case and top window fan housing, and top window fan housing passes through screw connection with the transfer platform case, cardboard conveying unit includes conveyer table case and sealed fan housing, and the conveyer table case passes through screw connection with sealed fan housing, hot air drying unit and cardboard conveying unit's bottom is provided with the end and props the foot rest, and the end props the foot rest and passes through screw connection with transfer platform case and conveyer table case, hot air drying unit and cardboard conveying unit's both sides all are provided with driving pulley, and driving pulley has a plurality ofly, driving pulley rotates with top window fan housing and sealed fan housing to be connected, driving pulley's surface is provided with drive track, and drive track and driving pulley built-up connection.

Preferably, the inside of delivery table case is provided with the wind chamber and cuts off, and the wind chamber cuts off and set up to integral type structure with the delivery table case, the both sides that the wind chamber cut off all are provided with passageway wind chamber, and passageway wind chamber runs through the surface that extends to the delivery table case, the inside in passageway wind chamber is provided with the water conservancy diversion acanthus, and the inside in water conservancy diversion acanthus middle section is provided with automatically controlled even axle, the water conservancy diversion acanthus rotates through automatically controlled even axle and delivery table case to be connected.

Preferably, a drying inner cavity is arranged between the conveying platform box and the sealing fan housing, an air exhaust inner cavity is arranged between the transfer platform box and the top window fan housing, and the air exhaust inner cavity is communicated with the drying inner cavity. The inside of transfer platform case is provided with biax drying blower, and biax drying blower passes through the screw connection with the transfer platform case, biax drying blower's below is provided with air inlet window frame, and the top of top window fan housing is provided with the exhaust hood subassembly.

Preferably, the outside at biax drying blower both ends is provided with air-out brake mouth, and air-out brake mouth and revolving stage case pass through the screw connection, the surface at biax drying blower both ends is provided with wind window flabellum subassembly, and wind window flabellum subassembly passes through the screw connection with biax drying blower.

Preferably, the bottom of biax drying blower is provided with the air inlet lock mouth, and the air inlet lock mouth passes through flange joint with biax drying blower, the air inlet lock mouth runs through the inside that the revolving stage case extends to air inlet window frame.

Preferably, the exhaust hood subassembly includes air suction hopper and exhaust duct, and the exhaust duct setting is at the top of air suction hopper, the exhaust duct passes through flange joint with the air suction hopper, and the air suction hopper passes through screw connection with the top window fan housing, the surface at top window fan housing top is provided with the top window grid, and the top window grid passes through the draw-in groove with the top window fan housing and is connected.

Preferably, the inside of induced draft fill is provided with sealed sheet frame, and sealed sheet frame passes through the screw connection with induced draft fill, the inboard of sealed sheet frame is provided with the steam filter core, and the steam filter core passes through the draw-in groove with sealed sheet frame and is connected.

Preferably, the conveying shaft frame includes major axis carriage and transfer carriage, and major axis carriage and transfer carriage all are provided with threely, the major axis carriage sets up in cardboard conveying unit's inside, and the transfer carriage setting is in hot air drying unit's inside, the bottom of major axis carriage is provided with the thermal current board window, and the thermal current board window passes through the draw-in groove with the delivery platform case and is connected, the surface of thermal current board window is provided with the fluting.

Preferably, major axis carriage and transfer carriage all include maintenance support and conveying pulley, and wherein, the transfer carriage still includes the response wheelset, the surface of maintenance support one side is provided with the transmission shaft groove, and driving pulley passes through the transmission shaft groove and is connected with conveying pulley, the response wheelset is including response pulley and expansion frame, the surface of response pulley is provided with the feeler lever, and the both ends of response pulley all are provided with insulating axle sleeve, insulating axle sleeve passes through the screw connection with expansion frame, and the both sides on insulating axle sleeve surface all are provided with fan-shaped magnetic shaft.

Preferably, a power supply center shaft is arranged inside the induction pulley and is rotatably connected with the insulating shaft sleeve through a transmission connecting rod, a resistor seat cylinder is arranged on the outer surface of the power supply center shaft, a conductor spring is arranged inside the resistor seat cylinder, the contact rod is electrically connected with the resistor seat cylinder through the conductor spring, and the contact rod is in telescopic connection with the induction pulley.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the hot air drying units and the paperboard conveying units are alternately arranged, when the device is operated, the hot air drying units are responsible for drying and heating external ambient air and then conveying the air to the interior of the paperboard conveying units, each hot air drying unit is responsible for conveying hot air flow to the paperboard conveying units at two ends of the hot air drying unit, and each paperboard conveying unit also receives the hot air flow from the hot air drying units at two ends, so that the hot air flow can be folded from two ends to the center, the uniform distribution of heat can be ensured, the hot air drying units can perform air exhaust operation above each node while realizing hot air conveying, and internal steam can be timely exhausted while realizing uniform heat supply;

2. according to the invention, the two ends of each paperboard conveying unit are provided with the corresponding hot air drying units, so that in order to avoid the situation that the hot air drying units at the two ends generate opposite impact in the process of conveying the hot air flow to the paperboard conveying units, an air cavity partition is required to be designed in the hot air conveying platform box, two channel air cavity areas can be separated by utilizing the air cavity partition, the hot air flow output from the hot air drying units can be contacted with the air cavity partition after entering the channel air cavities, and then is diffused to the inside of the whole air cavity partition;

3. according to the invention, a plurality of guide vane plates are also arranged in the channel air cavity, the guide vane plates can be rotatably connected with the conveying platform box through an electric control connecting shaft, the rotating angle of the guide vane plates can be adjusted in the drying process, and the inclined guide vane plates are utilized to coordinate the direction of hot air flow in the channel air cavity so as to uniformly diffuse the hot air flow into the drying inner cavity;

4. in the invention, three groups of conveying frame structures are arranged above each platform box, in the three groups of conveying frame structures, transmission shaft grooves are designed on the surfaces of retention supports positioned on two sides, penetrate through and extend to the outer side of the fan cover and are conveniently connected with an external transmission pulley structure, the transmission pulleys are driven to rotate by a transmission pulley belt, a plurality of conveying pulleys are arranged on the inner side of the retention support, when the conveying device is used, a paperboard is arranged above the conveying pulleys, conveying operation of the paperboard is realized by rotation of the conveying pulleys, and the contact area between the pulleys and the paperboard can be reduced due to the design of the pulleys, so that hot air can be fully contacted with the paperboard;

5. in the invention, an induction wheel set replaces a retention support and a conveying pulley in the middle area of a transfer conveying frame, the induction wheel set consists of the induction pulley and an expansion frame, four groups of telescopic feeler lever structures are arranged on the surface of the induction pulley, the weight of a paperboard with moisture is relatively large in the process of conveying the paperboard, the corresponding feeler lever is pressed downwards by the paperboard, the gap distance between the feeler lever and a resistor seat cylinder is further changed, the weight of the paperboard can be sensed through the resistance value change at the resistor seat cylinder in a power supply central shaft, after moisture is dried, the moisture is evaporated, the paperboard is lightened, the feeler lever rebounds, the transmission speed of the paperboard can be improved by the device, and the surface of the paperboard is prevented from being excessively baked.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a schematic overall sectional structure of the present invention;

FIG. 3 is a schematic view of the hood assembly of the present invention;

FIG. 4 is a schematic view of a dual shaft drying fan according to the present invention;

FIG. 5 is a schematic view of a steam cartridge arrangement according to the present invention;

FIG. 6 is a schematic view of a long axis carriage configuration of the present invention;

FIG. 7 is a schematic view of an induction wheel assembly according to the present invention;

FIG. 8 is a schematic view of an induction pulley of the present invention;

FIG. 9 is a schematic cross-sectional view of an induction pulley according to the present invention;

fig. 10 is a schematic view of the structure of the center shaft of the power supply of the present invention.

In the figure: 1. a hot air drying unit; 2. a paperboard conveying unit; 3. a bottom support leg frame; 4. a drive pulley; 5. a drive track; 6. a double-shaft drying fan; 7. a conveying shaft frame; 101. a transfer platform box; 102. a roof window fan housing; 103. an air exhaust inner cavity; 104. a top window grille; 201. a conveying table box; 202. sealing the fan cover; 203. drying the inner cavity; 204. the air cavity is isolated; 205. a channel air cavity; 206. a guide vane plate; 207. an electric control connecting shaft; 601. an air intake window frame; 602. a hood assembly; 603. an air outlet gate; 604. a louver blade assembly; 605. an air inlet gate; 6021. a suction hopper; 6022. an exhaust duct; 6023. sealing the plate frame; 6024. a steam filter element; 701. a long shaft conveying frame; 702. transferring a conveying frame; 703. an induction wheel set; 7011. a retention bracket; 7012. a conveying pulley; 7013. a transmission shaft groove; 7014. a heat flux plate window; 7031. an induction pulley; 7032. expanding the frame; 7033. a feeler lever; 7034. an insulating shaft sleeve; 7035. a sector magnetic axis; 7036. a transmission connecting rod; 7037. a power supply middle shaft; 7038. a resistor holder cylinder; 7039. a conductor spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides the following technical solutions:

the embodiment provided by the invention comprises the following steps: a paperboard drying device comprises a hot air drying unit 1, a paperboard conveying unit 2 and a conveying shaft frame 7, wherein the hot air drying unit 1 is arranged between the paperboard conveying units 2, the hot air drying unit 1 comprises a transfer platform box 101 and a top window fan cover 102, the top window fan cover 102 is connected with the transfer platform box 101 through screws, the paperboard conveying unit 2 comprises a conveying platform box 201 and a sealing fan cover 202, the conveying platform box 201 is connected with the sealing fan cover 202 through screws, a bottom support foot rest 3 is arranged at the bottom of the hot air drying unit 1 and the paperboard conveying unit 2, the bottom support foot rest 3 is connected with the transfer platform box 101 and the conveying platform box 201 through screws, a plurality of transmission belt wheels 4 are arranged on two sides of the hot air drying unit 1 and the paperboard conveying unit 2, the transmission belt wheels 4 are rotatably connected with the top window fan cover 102 and the sealing fan cover 202, a transmission crawler belt 5 is arranged on the outer surface of the transmission belt wheel 4, and the transmission belt wheel 5 is connected with the transmission belt wheel 4 in a combined manner;

the whole drying equipment consists of a hot air drying unit 1, a paperboard conveying unit 2 and a conveying shaft bracket 7, wherein the conveying shaft bracket 7 is arranged inside the hot air drying unit 1 and the paperboard conveying unit 2, when in use, the paperboard is arranged above the conveying shaft bracket 7, and the conveying shaft bracket 7 is utilized to realize the moving and conveying operation of the paperboard;

the hot air drying units 1 and the paperboard conveying units 2 are arranged alternately, when the hot air drying unit is in operation, the hot air drying units 1 are responsible for drying and heating external ambient air and conveying the air to the interior of the paperboard conveying units 2, each hot air drying unit 1 is responsible for conveying hot air flow to the paperboard conveying units 2 at two ends of the hot air drying unit, meanwhile, each paperboard conveying unit 2 can also receive the hot air flow from the hot air drying units 1 at two ends, the hot air flow can be folded from the two ends to the center, the uniform distribution of heat can be guaranteed, the hot air drying units 1 can perform air exhaust operation above each node while realizing hot air conveying, and internal steam can be exhausted timely.

An air cavity partition 204 is arranged inside the conveying platform box 201, the air cavity partition 204 and the conveying platform box 201 are arranged to be of an integrated structure, channel air cavities 205 are arranged on two sides of the air cavity partition 204, the channel air cavities 205 penetrate through and extend to the outer surface of the conveying platform box 201, a guide vane plate 206 is arranged inside the channel air cavity 205, an electric control connecting shaft 207 is arranged inside the middle section of the guide vane plate 206, the guide vane plate 206 is rotatably connected with the conveying platform box 201 through the electric control connecting shaft 207, a drying inner cavity 203 is arranged between the conveying platform box 201 and a sealed fan housing 202, an air exhaust inner cavity 103 is arranged between the transfer platform box 101 and the top window fan housing 102, the air exhaust inner cavity 103 is communicated with the drying inner cavity 203, a double-shaft drying fan 6 is arranged inside the transfer platform box 101, the double-shaft drying fan 6 is connected with the transfer platform box 101 through screws, an air inlet window frame 601 is arranged below the double-shaft drying fan 6, and an exhaust hood assembly 602 is arranged above the top window fan housing 102;

the two ends of each paperboard conveying unit 2 are provided with corresponding hot air drying units 1, so that in order to avoid the situation that the hot air drying units 1 at the two ends generate opposite impact in the process of conveying the hot air flow to the paperboard conveying units 2, an air cavity partition 204 needs to be designed inside a hot air conveying table box 201, two channel air cavity 205 areas can be partitioned by using the air cavity partition 204, and the hot air flow output from the hot air drying units 1 can contact with the air cavity partition 204 after entering the channel air cavities 205 and then is diffused into the whole air cavity partition 204;

a plurality of guide vane plates 206 are further installed in the channel air cavity 205, the guide vane plates 206 can be rotatably connected with the conveying platform box 201 through an electric control connecting shaft 207, the rotating angles of the guide vane plates 206 can be adjusted in the drying process, and the inclined guide vane plates 206 are used for coordinating the direction of hot air flow in the channel air cavity 205 and enabling the hot air flow to be uniformly diffused into the drying inner cavity 203.

Referring to fig. 3-5, the present invention provides the following technical solutions:

air outlet gates 603 are arranged on the outer sides of two ends of the double-shaft drying fan 6, the air outlet gates 603 are connected with the transfer platform box 101 through screws, air window fan blade assemblies 604 are arranged on the surfaces of the two ends of the double-shaft drying fan 6, the air window fan blade assemblies 604 are connected with the double-shaft drying fan 6 through screws, an air inlet gate 605 is arranged at the bottom of the double-shaft drying fan 6, the air inlet gate 605 is connected with the double-shaft drying fan 6 through a flange, and the air inlet gate 605 penetrates through the transfer platform box 101 and extends to the inside of the air inlet window frame 601;

the double-shaft drying fan 6 is installed in the transfer platform box 101, when the double-shaft drying fan 6 operates, external air can be sucked into the fan from the air inlet opening 605 and the air inlet window frame 601, then the fan is heated by using an internal electric heating structure, heated hot air can be discharged into the channel air cavities 205 at two ends through the air outlet opening 603, and hot air flow inside the channel air cavities 205 can enter the drying inner cavity 203 through the top window grating 104.

The exhaust hood assembly 602 comprises an air suction hopper 6021 and an air exhaust pipe 6022, wherein the air exhaust pipe 6022 is arranged at the top of the air suction hopper 6021, the air exhaust pipe 6022 is connected with the air suction hopper 6021 through a flange, the air suction hopper 6021 is connected with the top window hood 102 through a screw, the top window grating 104 is arranged on the surface of the top window hood 102, the top window grating 104 is connected with the top window hood 102 through a clamping groove, a sealing plate frame 6023 is arranged inside the air suction hopper 6021, the sealing plate frame 6023 is connected with the air suction hopper 6021 through a screw, a steam filter element 6024 is arranged on the inner side of the sealing plate frame 6023, and the steam filter element 6024 is connected with the sealing plate frame 6023 through a clamping groove;

exhaust hood subassembly 602 comprises air draft fill 6021 and air exhaust pipe 6022, the other end of air exhaust pipe 6022 links to each other with exhaust equipment, in the cardboard carries out the dry in-process, hot-blast air current is after the cardboard with carry moisture contacts, receive the influence of evaporation effect, can mix with some micro-moisture in the hot-blast air current, can take out the heat-seal air current that carries steam from top window grid 104 department through air exhaust pipe 6022 this moment, can also carry out moisture filtration to the air current through air draft fill 6024 that 6021 inside set up at the in-process of taking out, can realize hot-blast air current's secondary application like this.

Referring to fig. 6, the present invention provides the following technical solutions:

the long shaft conveying rack 701 and the transfer conveying rack 702 both comprise a retention support 7011 and a conveying pulley 7012, wherein the transfer conveying rack 702 further comprises an induction wheel set 703, a transmission shaft groove 7013 is formed in the surface of one side of the retention support 7011, the transmission belt pulley 4 is connected with the conveying pulley 7012 through the transmission shaft groove 7013, the induction wheel set 703 comprises an induction pulley 7031 and an expansion frame 7032, a touch rod 7033 is arranged on the outer surface of the induction pulley 7031, insulating shaft sleeves 7034 are arranged at two ends of the induction pulley 7031, the insulating shaft sleeves 7034 are connected with the expansion frame 7032 through screws, sector magnetic shafts 7035 are arranged on two sides of the surface of the insulating shaft sleeve 7034, a power supply center shaft 7037 is arranged inside the induction pulley 7031, the power supply center shaft 7037 is rotatably connected with the insulating shaft sleeve 7034 through a transmission connecting rod 7036, a resistor seat cylinder 7038 is arranged on the outer surface of the power supply center shaft 7037, a conductor spring 7039 is arranged inside the resistor seat cylinder 7038, the touch rod 7033 is electrically connected with the resistor seat cylinder 7038 through the conductor spring 7031;

the long shaft conveying rack 701 and the transfer conveying rack 702 are different in length and basically identical in composition structure, wherein the long shaft conveying rack 701 is installed above the conveying platform box 201, a heat flow plate window 7014 is arranged between the long shaft conveying rack 701 and the conveying platform box 201, and hot air flow inside the conveying platform box 201 can enter a region where the paperboard is located through the heat flow plate window 7014 and is dried;

three groups of conveying frame structures are arranged above each station box, in the three groups of conveying frame structures, transmission shaft grooves 7013 are designed on the surfaces of retention brackets 7011 positioned on two sides, the transmission shaft grooves 7013 penetrate and extend to the outer side of the fan cover, and are conveniently connected with an external transmission belt pulley 4 structure, the transmission belt pulley 4 is used for driving the transmission pulleys 7012 to rotate, a plurality of transmission pulleys 7012 are arranged on the inner side of the retention bracket 7011, when the conveying device is used, the paperboard is arranged above the transmission pulleys 7012, conveying operation of the paperboard is realized through rotation of the transmission pulleys 7012, the contact area between the pulleys and the paperboard can be reduced, and thus hot air can be fully contacted with the paperboard through the design of the pulleys;

the middle area of the transfer conveying frame 702 is provided with an induction wheel set 703 instead of a retention support 7011 and a conveying pulley 7012, the induction wheel set 703 is composed of an induction pulley 7031 and an expansion frame 7032, the surface of the induction pulley 7031 is provided with four groups of telescopic contact rod 7033 structures, in the process of conveying the paperboard, the weight of the paperboard with moisture is relatively large, the paperboard can press the corresponding contact rod 7033 downwards, the gap distance between the contact rod 7033 and a resistor seat cylinder 7038 is further changed, a power supply center shaft 7037 can sense the weight of the paperboard through the resistance change at the resistor seat cylinder 7038, after moisture drying is completed, the moisture is evaporated, the mass of the paperboard is lightened, the contact rod 7033 rebounds, the device can improve the transmission rate of the paperboard, and the surface of the paperboard is prevented from being excessively baked;

when the induction wheel set 703 rotates, the transmission connecting rods 7036 at the two ends of the internal power supply central shaft 7037 rotate inside the insulating shaft sleeve 7034, and the transmission connecting rods 7036 and the fan-shaped magnetic shafts 7035 at the two sides inside the insulating shaft sleeve 7034 form a cutting magnetic induction line in the rotating process, so that the power supply operation of the power supply central shaft 7037 can be realized without additional circuit addition.

The working principle is that the whole drying equipment consists of three parts, namely a hot air drying unit 1, a paperboard conveying unit 2 and a conveying shaft bracket 7, wherein the hot air drying unit 1 and the paperboard conveying unit 2 are alternately arranged, when in operation, the hot air drying unit 1 is responsible for drying and heating external ambient air and then conveying the air to the interior of the paperboard conveying unit 2, each hot air drying unit 1 is responsible for conveying hot air flow to the paperboard conveying units 2 at two ends, and meanwhile, each paperboard conveying unit 2 also receives the hot air flow from the hot air drying units 1 at two ends, so that the hot air flow can be folded from two ends to the center, the uniform distribution of heat can be ensured, the hot air drying units 1 can carry out air exhaust operation above each node while realizing hot air conveying, and can exhaust internal steam in time, the conveying shaft frame 7 is arranged inside the hot air drying unit 1 and the paperboard conveying unit 2, when in use, the paperboards are arranged above the conveying shaft frame 7, the conveying shaft frame 7 is used for realizing the moving and conveying operation of the paperboards, the conveying shaft frame 7 comprises a long shaft conveying frame 701 and a transfer conveying frame 702, the long shaft conveying frame 701 is arranged inside the paperboard conveying unit 2, the transfer conveying frame 702 is arranged inside the hot air drying unit 1, the long shaft conveying frame 701 and the transfer conveying frame 702 are different in length and have the same composition structure, the long shaft conveying frame 701 is arranged above the conveying platform box 201, a heat flow plate window 7014 is arranged between the long shaft conveying frame 701 and the conveying platform box 201, the hot air flow inside the conveying platform box 201 can enter the area where the paperboards are located through the heat flow plate window 7014 and is used for drying operation, three groups of conveying frame structures are arranged above each platform box, in these three conveyer frame structures, the retention support 7011 surface design that is located both sides has transmission shaft groove 7013, this transmission shaft groove 7013 runs through the outside that extends to the fan housing, the convenience is connected with outside driving pulley 4 structure, utilize driving pulley 4 to drive conveying pulley 7012 and rotate, a plurality of conveying pulley 7012 are then installed to retention support 7011's inboard, place the cardboard in the top of conveying pulley 7012 during the use, the transport operation of cardboard is realized through the rotation of conveying pulley 7012, the design of pulley can reduce the area of contact with the cardboard, can be that hot-blast air current is abundant to contact with the cardboard like this.

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

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

Claims (10)

1. The utility model provides a cardboard drying device, includes hot air drying unit (1), cardboard conveying unit (2) and delivery shaft frame (7), its characterized in that: the hot air drying unit (1) is arranged between the paperboard conveying units (2), the hot air drying unit (1) comprises a transfer platform box (101) and a top window fan cover (102), the top window fan cover (102) is connected with the transfer platform box (101) through screws, the paperboard conveying unit (2) comprises a conveying platform box (201) and a sealing fan cover (202), the conveying platform box (201) is connected with the sealing fan cover (202) through screws, a bottom supporting foot frame (3) is arranged at the bottom of the hot air drying unit (1) and the paperboard conveying unit (2), the bottom supporting foot frame (3) is connected with the transfer platform box (101) and the conveying platform box (201) through screws, transmission belt wheels (4) are arranged on two sides of the hot air drying unit (1) and the paperboard conveying unit (2), the transmission belt wheels (4) are provided with a plurality of transmission belt wheels, the transmission belt wheels (4) are rotatably connected with the top window fan cover (102) and the sealing fan cover (202), and a transmission belt wheel (5) is connected with a crawler belt (4) in a combined mode.

2. A board drying apparatus according to claim 1, wherein: the inside of carrying platform case (201) is provided with wind chamber and cuts off (204), and wind chamber cuts off (204) and carries platform case (201) and set up to the integral type structure, the both sides that wind chamber cut off (204) all are provided with passageway wind chamber (205), and passageway wind chamber (205) run through extend to the surface of carrying platform case (201), the inside of passageway wind chamber (205) is provided with water conservancy diversion lamina (206), and the inside in water conservancy diversion lamina (206) middle section is provided with automatically controlled even axle (207), water conservancy diversion lamina (206) are connected with carrying platform case (201) rotation through automatically controlled even axle (207).

3. A board drying apparatus according to claim 2, wherein: a drying inner cavity (203) is arranged between the conveying platform box (201) and the sealing fan cover (202), an exhaust inner cavity (103) is arranged between the transfer platform box (101) and the top window fan cover (102), and the exhaust inner cavity (103) is communicated with the drying inner cavity (203). The inside of transfer platform case (101) is provided with biax drying fan (6), and biax drying fan (6) pass through bolted connection with transfer platform case (101), the below of biax drying fan (6) is provided with air inlet window frame (601), and the top of top window fan housing (102) is provided with exhaust hood subassembly (602).

4. A board drying apparatus according to claim 3, wherein: the outer sides of two ends of the double-shaft drying fan (6) are provided with air outlet gates (603), the air outlet gates (603) are connected with the transfer table box (101) through screws, the surfaces of two ends of the double-shaft drying fan (6) are provided with air window fan blade assemblies (604), and the air window fan blade assemblies (604) are connected with the double-shaft drying fan (6) through screws.

5. A board drying apparatus according to claim 4, wherein: the bottom of biax drying blower (6) is provided with air inlet lock mouth (605), and air inlet lock mouth (605) passes through flange joint with biax drying blower (6), air inlet lock mouth (605) run through revolving stage case (101) and extend to the inside of air inlet window frame (601).

6. A board drying apparatus according to claim 3, wherein: exhaust hood subassembly (602) is including inhaling wind fill (6021) and exhaust duct (6022), and exhaust duct (6022) sets up the top at inhaling wind fill (6021), exhaust duct (6022) passes through flange joint with inhaling wind fill (6021), and induced wind fill (6021) passes through screw connection with top window fan housing (102), the surface at top window fan housing (102) top is provided with top window grid (104), and top window grid (104) passes through the draw-in groove with top window fan housing (102) and is connected.

7. A board drying apparatus according to claim 6, wherein: the inside of air draft hopper (6021) is provided with sealing plate frame (6023), and sealing plate frame (6023) passes through the screw connection with air draft hopper (6021), the inboard of sealing plate frame (6023) is provided with steam filter core (6024), and steam filter core (6024) passes through the draw-in groove with sealing plate frame (6023) and is connected.

8. A board drying apparatus according to claim 1, wherein: conveying shaft frame (7) include major axis carriage (701) and transfer conveying frame (702), and major axis carriage (701) and transfer conveying frame (702) all are provided with threely, major axis carriage (701) set up the inside at cardboard conveying unit (2), and transfer conveying frame (702) set up the inside at hot-blast drying unit (1), the bottom of major axis carriage (701) is provided with heat flow board window (7014), and heat flow board window (7014) and transport platform case (201) and be connected through the draw-in groove, the surface of heat flow board window (7014) is provided with the fluting.

9. A board drying apparatus according to claim 7, wherein: the long shaft conveying rack (701) and the middle transfer conveying rack (702) comprise a retention support (7011) and a conveying pulley (7012), wherein the transfer conveying rack (702) further comprises an induction wheel set (703), a transmission shaft groove (7013) is formed in the surface of one side of the retention support (7011), a transmission belt pulley (4) is connected with the conveying pulley (7012) through the transmission shaft groove (7013), the induction wheel set (703) comprises an induction pulley (7031) and an expansion frame (7032), a touch rod (7033) is arranged on the outer surface of the induction pulley (7031), insulating shaft sleeves (7034) are arranged at two ends of the induction pulley (7031), the insulating shaft sleeves (7034) are connected with the expansion frame (7032) through screws, and sector magnetic shafts (7035) are arranged on two sides of the surface of the insulating shaft sleeves (7034).

10. A board drying apparatus according to claim 9, wherein: the induction pulley (7031) is internally provided with a power supply center shaft (7037), the power supply center shaft (7037) is rotatably connected with an insulating shaft sleeve (7034) through a transmission connecting rod (7036), the outer surface of the power supply center shaft (7037) is provided with a resistor seat cylinder (7038), a conductor spring (7039) is arranged inside the resistor seat cylinder (7038), the contact rod (7033) is electrically connected with the resistor seat cylinder (7038) through the conductor spring (7039), and the contact rod (7033) is telescopically connected with the induction pulley (7031).

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