CN115574575A

CN115574575A - Full-automatic multi-layer circulating type efficient energy-saving fragrant rod drying box

Info

Publication number: CN115574575A
Application number: CN202211372435.XA
Authority: CN
Inventors: 傅洪添
Original assignee: Zhongshan Wild Lavender Biotechnology Co ltd
Current assignee: Zhongshan Wild Lavender Biotechnology Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-06

Abstract

The invention relates to a full-automatic multilayer circulating type efficient energy-saving drying box for fragrant sticks, which comprises a drying box body and a heater, wherein a heating and ventilating channel, at least one layer of upper drying channel and at least one layer of lower drying channel, a group of parallel closed-loop type conveying chains for connecting the upper drying channel and the lower drying channel, a transmission chain wheel and a plurality of fragrant stick placing frames which are sequentially arranged on the conveying chains in a clearance mode are arranged in the drying box body, a fragrant stick loading port is formed in one end of the drying box body, a fan and the heater are arranged in the heating and ventilating channel, two ends of the heating and ventilating channel are communicated with two ends of the upper drying channel and the lower drying channel, two side edges of the fragrant stick placing frames are rotatably connected with the parallel corresponding conveying chains, and the fragrant stick placing frames are driven by the conveying chains to realize multilayer circulating type drying in an inner cavity of the drying box body. The invention has the advantages of energy saving, high efficiency and small occupied area, and can be widely applied to the large-scale production of the fragrant sticks.

Description

Full-automatic multi-layer circulating type efficient energy-saving drying box for fragrant sticks

Technical Field

The invention relates to the technical field of drying, in particular to a full-automatic multi-layer circulating type efficient energy-saving drying box for a fragrant stick.

Background

The prior incense stick (also called wood powder bamboo stick, incense stick, buddha incense, bamboo stick incense, incense stick type mosquito coil, etc.) manufacturers for incense mostly dry wood powder on the bamboo stick by drying in the sun for the dehumidification treatment of the incense stick or the primary finished product of incense or the pre-product (wood powder undried bamboo stick) which needs to be dried. It can not be used in sunny days or in windy and rainy days. In addition, the incense sticks are required to be completely spread out in a drying mode, so that a large production place is required, and the enterprise is also very high in cost in the period of high land cost at the present stage. The drying room with the heater is designed by a plurality of manufacturers, the prefabricated incense sticks are placed on the carrying trolley, then the carrying trolley is manually pushed into the drying room to be dried, the incense sticks are manually pulled out together with the carrying trolley after being dried, for example, the drying room is sent to be dried by the carrying trolley according to the content disclosed by the mosquito-repellent incense primary product drying carrying trolley with the patent number of CN201721555800.5, the drying mode is not influenced by weather, but the carrying trolley is heated at the same time during drying at each time, the temperature of the carrying trolley sent from the outside is low in cold days, the drying temperature can be increased to the drying temperature of the drying room after heating for several hours, the power consumption of the drying room is large, the drying cost is high, and energy is not saved. In addition, the carrier can only walk along the level, if the drying room is internally provided with a multi-layer drying layer, when the carrier is transferred from the upper drying layer to the lower drying layer, the carrier is easy to topple over so as to break the mosquito-repellent incense on the carrier, thereby causing economic loss. And the drying room with only one layer has the problems of large occupied area of the drying room, low drying efficiency and the like. Therefore, the development of a fragrant rod drying device which has the advantages of small occupied area, high drying efficiency, low labor cost, energy conservation and no influence on weather is urgently needed.

Disclosure of Invention

The invention aims to solve the problems and the defects, and provides a full-automatic multi-layer circulating type efficient energy-saving drying box for a fragrant stick, which is energy-saving, efficient, free from the influence of weather, small in occupied area and low in labor cost.

The technical scheme of the invention is realized as follows:

the invention relates to a full-automatic multilayer circulating type high-efficiency energy-saving drying box for a fragrant stick, which comprises a drying box body and a heater, and is characterized in that: the incense stick drying device is characterized in that a heating and ventilating channel, an upper drying channel, a lower drying channel, a closed-loop conveying chain and a transmission chain wheel, wherein the heating and ventilating channel is arranged in the oven body in an extending mode along the length direction of the oven body, the upper drying channel is arranged above the heating and ventilating channel, the lower drying channel is arranged below the heating and ventilating channel, the closed-loop conveying chain is connected with the upper drying channel and the lower drying channel and is arranged in parallel, the transmission chain wheel is meshed with the conveying chain, and a plurality of incense stick placing frames are arranged on the conveying chain in a sequential gap arrangement mode. If the incense stick placing frame is driven by the conveying chain to be transferred from the front end part of the inner cavity of the oven body to the upper drying channel, and then returns to the starting position through the rear end part of the inner cavity of the oven body and the lower drying channel, so that the multilayer circulating operation drying is realized. Certainly, the incense stick placing frame can be driven by the conveying chain to move from the front end part of the inner cavity of the oven body to the lower drying channel and then return to the initial position through the rear end part of the inner cavity of the oven body and the upper drying channel so as to realize multilayer circulating operation drying.

The heater can adopt an existing air energy dryer or a heat pump machine, and the fan can be an exhaust fan, preferably an existing fire-fighting axial flow fan. The heater and the fan are arranged in tandem.

Further, the method comprises the following steps: the balance weight piece is arranged at the lower part of the integral gravity center of the incense stick placing frame or at the lower part of the incense stick placing frame, so that the incense stick placing frame can be always kept in a vertical balance state in the conveying process and is not easy to automatically topple and turn over, and the problem that the incense stick falls out and is broken due to automatic toppling in the horizontal conveying and vertical conveying processes is effectively solved.

In order to ensure that the occupied area is small, and simultaneously, a plurality of incense stick placing frames cannot generate collision interference or top collision interference events in the processes of up-down conveying and horizontal conveying in the conveying process along with the conveying chains, the rotating shafts and connecting plates (also called side connecting plates) are arranged on two side edges of the incense stick placing frames, one ends of the connecting plates are rotatably connected with the rotating shafts, and the other ends of the connecting plates are fixedly arranged on the corresponding conveying chains. Like this, fragrant stick rack can form the V-arrangement contained angle through the connecting plate when moving to corner, makes the rack can not bump rather than adjacent rack when turning round.

Further comprises the following steps: guide rails are respectively arranged at the two sides of the upper drying channel and the two sides of the lower drying channel, the mounting position of the conveying chain on the upper drying channel is located on the guide rails at the two sides of the upper drying channel, and the mounting position of the conveying chain on the lower drying channel is located on the guide rails at the two sides of the lower drying channel.

The utility model discloses a incense stick placing rack, including outer frame and a plurality of sieves of stack in the outer frame, be equipped with the multiseriate and be horizontal parallel arc slot of separating the arranging on the sieve, the arc slot of sieve is used for placing incense stick, and it has a plurality of air vents to open on each arc slot, is formed with the clearance that supplies the gas convection between two adjacent sieves from top to bottom. Furthermore, the bottom of the sieve plate is provided with a separation supporting edge, and the two adjacent sieve plates form a gap for gas convection through the separation supporting edge.

The outer frame includes chassis board and top frame board and is located the side frame board of both sides, the sieve stack is between chassis board and top frame board, and the middle part of side frame board is equipped with the confession the shaft hole of pivot installation, outer frame can connect with rotating in the pivot. Preferably, the distance from the rotating shaft to the top frame plate is smaller than the distance from the rotating shaft to the bottom frame plate. Thus, the integral gravity center of the incense stick placing frame is arranged at the lower part. The lower end part of the side frame plate can be provided with a balancing weight. Or a combination of the two.

In order to make the structure more reliable, further: at least one layer of frame plate is arranged between the bottom frame plate and the top frame plate of the outer frame.

Further, the method comprises the following steps: and an industrial control box connected with the driving device, the heater and the fan circuit is arranged outside the oven body. Furthermore, the incense stick loading port is arranged at the front end of the oven body, a material sensor is arranged at the incense stick loading port and is in circuit connection with the industrial control box, the material sensor senses that the sieve plate is full of incense sticks and then sends information to the industrial control box, and the industrial control box sends an instruction to the driving device to enable the conveying chain to drive the incense stick placing frame to move up or down by one sieve plate.

In order to avoid the stick placing frame from being pushed against when the stick placing frame runs to the upper drying channel or the lower drying channel in the drying box (especially when the stick placing frame turns around), so that the stick placing frame runs smoothly, and the stick placing frame can be convenient to pour materials, guide columns 18 or guide wheels (the guide wheels are also called as idler wheels) are arranged at the bottom or/and the top corners of the outer frame 1. Preferably, guide wheels are arranged at the corners of the bottom part and the top part. In order to enable the incense stick placing frame to be capable of achieving automatic material pouring after the incense sticks are dried, a blocking piece used for achieving material pouring is arranged on a bottom plate of the lower drying channel close to an outlet at the front end, and the blocking piece can enable the incense stick placing frame to tilt forwards to achieve material pouring through the blocking effect on the bottom of the incense stick placing frame in the process that the incense stick placing frame moves towards the outlet. The blocking piece is a slope guiding piece with at least one front slope surface. In order to prevent the bottom of the incense stick placing frame from shaking too much when falling from the upper end of the inclined guide piece, preferably, two to three small buffering inclined planes are arranged on the inclined guide piece.

Compared with the prior art, the invention has the advantages that:

1. the incense stick is directly dried by the drying box, and the dehumidification in the incense stick production is not influenced by weather.

2. The multilayer circulating drying structure is compact in structure, and compared with a drying room with an existing one-layer drying layer in mass production, the multilayer circulating drying structure can greatly reduce the floor area occupied by the production place. And the upper drying channel and the lower drying channel can form a heat circulation loop with the heating and ventilating channel under the action of the heater and the fan, so that the drying effect is good, and the drying efficiency is high.

3. Because of the incense stick rack is at the in-process of drying, be located the stoving incasement always, the incense stick is directly through incense stick dress get mouthful cartridge on incense stick rack, need not to take out incense stick rack and adorn the incense stick to stoving incasement face, so at the stoving in-process, incense stick rack only need heat once at the stoving incasement, is hot always at the back, has effectively reduced the electric energy that the incense stick rack of a lot of heating consumed, uses energy-conservation.

4. Because of the whole focus of incense stick rack is located the lower part or the lower part of incense stick rack is equipped with balanced counterweight for incense stick rack can remain upright balanced state throughout and be difficult for taking place to empty voluntarily and the upset phenomenon in transportation process, has effectively avoided taking place to empty voluntarily at the in-process of level and upper and lower conveying and make incense stick fall out the problem of breaking into pieces, and is safe in utilization.

5. The incense stick placing rack can be used for carrying out multilayer separated superposition on the incense sticks which are not dried by wood powder (incense powder), placing and drying, further effectively reducing the area occupied by batch drying of the incense sticks, and enabling the positioning and ventilation drying effects of the incense sticks to be good.

The invention will be further described with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present invention;

FIG. 2 is a schematic perspective view of an embodiment of the present invention with the peripheral edges removed;

FIG. 3 is a schematic structural view of the incense stick holder of the present invention;

FIG. 4 is a schematic view of the assembled structure of FIG. 3;

fig. 5 is an enlarged schematic view of the screen plate.

Detailed Description

As shown in fig. 1-5, the full-automatic multi-layer circulating type high-efficiency energy-saving drying oven for the fragrant rods comprises an oven body 1 and a heater 2, wherein the oven body 1 comprises a support frame and a surrounding edge arranged outside the support frame. The surrounding edge is generally made of heat insulation cotton board. The incense stick drying device is characterized in that a heating and ventilation channel 3 extending along the length direction of the oven body 1, at least one layer of upper drying channel 4 positioned above the heating and ventilation channel 3, at least one layer of lower drying channel 5 positioned below the heating and ventilation channel 3, a group of parallel closed-loop conveying chains 6 connecting the upper drying channel 4 and the lower drying channel 5, a transmission chain wheel 7 meshed with the conveying chains 6, and a plurality of incense stick placing frames 8 arranged on the conveying chains 6 in sequence at intervals are arranged in the oven body 1, wherein the transmission chain wheel 7 is connected with a driving device, and one end of the oven body 1 is provided with an incense stick placing opening. The incense stick inlet can be a long notch which is directly arranged on the front end surrounding edge of the oven body; or a box door capable of being opened and closed can be arranged at the front end of the oven body, and the incense stick loading port 11 is a long slot arranged on the box door. The cover plate which can be opened and closed can be arranged at the incense stick loading port, and the incense stick loading port is sealed by the cover plate after the incense stick is loaded. The driving sprockets 7 are typically mounted on mounting seats at both ends of the upper and lower drying tunnel. The heating and ventilation channel 3 is internally provided with the fan 9 and the heater 2, two ends of the heating and ventilation channel 3 are communicated with two ends of the upper drying channel 4 and the lower drying channel 5, the upper drying channel 4 and the lower drying channel 5 can form a heat circulation loop with the heating and ventilation channel 3 under the action of the heater 2 and the fan 9, for example, air heated by the heater or blown hot air forms hot air which flows with acceleration under the action of wind power of the fan, the hot air flows to the upper drying channel 4 and the lower drying channel from an outlet at the rear end of the heating and ventilation channel 3 respectively, and then returns to the heating and ventilation channel from an inlet at the front end, so that a heat circulation loop for drying the upper layer and a heat circulation loop for drying the lower layer are formed, and the drying efficiency is high. Furthermore, two side edges of the incense stick placing frame 8 are respectively connected with corresponding conveying chains 6 which are arranged in parallel in a rotating mode through rotating shafts a or rotating shafts a and connecting plates c, the incense stick placing frame 8 is driven by the conveying chains 6 to be transferred to the upper drying channel 4 from the front end portion of the inner cavity of the oven body 1, and then the incense stick placing frame returns to the initial position through the rear end portion of the inner cavity of the oven body 1 and the lower drying channel 5, so that multilayer circulating drying is achieved. The driving device comprises a motor and a gear transmission group connected with the motor, the transmission chain wheel 7 comprises two driving chain wheels and a plurality of driven chain wheels (six driven chain wheels as shown in the figure), and the two driving chain wheels can be respectively connected with a servo motor and the gear transmission group. Preferably, the first of the two drive sprockets is connected to the gear train and the motor, and the second is connected to the first drive sprocket via a synchronizing shaft. For example, the two driving sprockets can be directly arranged on a synchronous rotating shaft. In order to avoid the influence of the synchronous rotating shaft on the conveying of the incense stick placing rack 8 on the transmission chain wheel, the synchronous rotating shaft can be arranged below the driving chain wheels, the driving shafts extending to the side face are respectively arranged on the two driving chain wheels at the two ends of the upper drying channel, the synchronous chain wheels are arranged at the outer ends of the two driving shafts, and then the synchronous chain wheels are connected with the synchronous chain wheels on the synchronous rotating shaft through independent chains respectively, so that the synchronization of the two driving chain wheels is realized. Of course, the synchronization may be achieved by other means, and will not be described in detail.

In the present invention, it is preferable that a heating and ventilation channel 3 extending along the length direction of the oven body 1, an upper layer drying channel 4 located above the heating and ventilation channel 3, and a lower layer drying channel 5 located below the heating and ventilation channel 3 are provided in the oven body 1, as shown in fig. 1-2. The upper part of the upper drying channel can be provided with the three-layer structure, namely, two sets of circulating drying systems are arranged in the oven body. Or a heating and ventilation channel 3 extending along the length direction of the oven body 1, two layers of upper drying channels 4 positioned above the heating and ventilation channel 3, two layers of lower drying channels 5 positioned below the heating and ventilation channel 3, a group of parallel closed-loop conveying chains I connecting the upper drying channels 4 at the uppermost layer and the lower drying channels 5 at the lowermost layer, and a first transmission chain wheel meshed with the first conveying chains, and a plurality of incense stick placing racks arranged on the first conveying chains in sequence at intervals can be arranged in the oven body 1. A group of closed loop type conveying chains II which are arranged in parallel and are connected with the upper drying channel 4 at the middle layer and the lower drying channel 5 at the middle layer, a driving chain wheel II which is meshed with the conveying chains II, and a plurality of incense stick placing racks which are sequentially arranged on the conveying chains II in a clearance way. The two end parts of the first conveying chain and the second conveying chain in the oven body are arranged at intervals, so that the first conveying chain and the second conveying chain are prevented from being collided by the incense stick placing frames in the operation process. In addition, the incense stick placing racks on the first conveying chain and the second conveying chain are preferably arranged in a staggered mode so as to be convenient for inserting incense sticks. The preferred is that fill with wood flour and do not do fragrant stick rack 8 of fragrant stick, from the preceding tip of oven body 1 inner chamber shift to supreme stoving passageway 4 under the drive of conveying chain 6, again through 1 inner chamber rear end of oven body portion to stoving passageway 5 down, reach the stoving standard (this accessible sets up the length and the temperature standard of stoving case and realize) in time just in time in the exit of stoving passageway 5 under the operation, like this, just can unload the back with the fragrant stick of stoving, make empty fragrant stick rack 8 of leaving again get back to the home position, prepare for the dress fragrant stick of next round removes the temperature.

For making the balancing of the fragrant stick placing frame 8 good in the conveying process and being not easy to turn on one's side automatically, the whole gravity center of the fragrant stick placing frame 8 is arranged at the lower part or the lower part of the fragrant stick placing frame 8 is provided with a balance weight piece, so that the fragrant stick placing frame 8 can always keep a vertical balance state in the conveying process and is not easy to topple over and turn over automatically. The first scheme comprises the following steps: the incense stick placing rack 8 can be directly connected with the conveying chain 6 in a rotating mode through rotating shafts on two sides, one end of each rotating shaft is connected with a shaft hole formed in the incense stick placing rack 8 in a rotating mode, and the other end of each rotating shaft is fixedly installed on the conveying chain 6. Scheme two is as follows: in order to prevent the incense stick placement racks from collision interference or top collision interference in the processes of up-down conveying and horizontal conveying in the conveying process along with the conveying chains, the rotating shafts a and the connecting plates c are preferably arranged on two side edges of the incense stick placement racks 8, one ends of the connecting plates c are rotatably connected with the rotating shafts, and the other ends of the connecting plates c are fixedly arranged on the corresponding conveying chains 6. The installation positions of the conveying chains 6 on the upper drying channel 4 are located at both sides of the upper drying channel 4, and the installation positions of the conveying chains 6 on the lower drying channel 5 are located at both sides of the lower drying channel 5. The specific installation position can be determined according to the needs. And in order to prevent the conveying chains from deviating or turning over under the action of gravity of the placing rack, guide rails for installing the corresponding conveying chains are respectively arranged at the two sides of the upper drying channel 4 and the two sides of the lower drying channel 5. The guide rail can be a transverse U-shaped guide rail, or a horizontal rail and a pressing plate are formed, and the corresponding conveying chain is arranged between the horizontal rail and the upper pressing plate. If guide rails are arranged at the positions of the upper drying channel 4 close to the two sides of the top plate, and guide rails are arranged at the positions of the lower drying channel close to the two sides of the top plate, the installation position of the conveying chain 6 at the upper drying channel 4 is on the guide rails at the positions of the two sides of the top plate of the upper drying channel 4, and the installation position of the conveying chain 6 at the lower drying channel 5 is on the guide rails at the positions of the two sides of the top plate of the lower drying channel 5. Preferably, the installation position of the conveying chain 6 on the upper drying channel 4 is on the guide rails at both sides of the bottom plate of the upper drying channel 4, and the installation position of the conveying chain 6 on the lower drying channel 5 is on the guide rails at both sides of the top plate of the lower drying channel 5. At this time, the distance from the rotating shaft a to the bottom plate of the upper drying channel 4 is greater than the length from the rotating shaft a to the bottom surface of the incense stick placing frame 8. The distance from the rotating shaft a to the top plate of the lower drying channel 4 is greater than the length from the rotating shaft a to the top surface of the incense stick placing rack 8.

In order to further improve the drying efficiency of the invention, as shown in fig. 3-5, the incense stick placing frame 8 includes an outer frame 81 and a plurality of sieve plates 82 stacked in the outer frame 81 from bottom to top, a plurality of rows of arc-shaped slots 821 which are transversely arranged in parallel and spaced apart are arranged on the sieve plates 82, the arc-shaped slots of the sieve plates 82 are used for placing incense sticks, or in other words, the arc-shaped slots are insertion positions for inserting incense sticks, a plurality of vent holes 822 are formed on each row of arc-shaped slots, and a gap for convection of gas is formed between two adjacent sieve plates 82. The screen plate 82 is typically a hard plastic screen plate. The outer frame is generally made of metal. The bottom of the sieve plate 82 is provided with a separation support edge 823, and the two sieve plates 82 adjacent to each other up and down form the gap for gas convection through the separation support edge 823. In order to ensure that the stacked sieve plates 82 are not easy to shift when the incense sticks are inserted, the upper end surfaces of the side plates at the two ends of each sieve plate are respectively provided with a clamping column 824, the lower end surfaces of the side plates at the two ends of each sieve plate are respectively provided with a corresponding insertion hole, and two adjacent sieve plates are reliably stacked together through matching devices of the clamping columns of the lower sieve plate and the insertion holes of the upper sieve plate.

Outer frame 81 includes chassis board 812 and top frame board 811 and is located the side frame board 813 of both sides, the sieve 82 stack is between chassis board 812 and top frame board 811, and the middle part of side frame board 813 is equipped with the confession the shaft hole of pivot a installation, outer frame 81 can connect with rotating in the pivot a. Further, at least one layer frame plate 814 is disposed between the bottom frame plate 812 and the top frame plate 811 of the outer frame 81, and a distance from the rotating shaft a to the top frame plate 811 is smaller than a distance from the rotating shaft a to the bottom frame plate 812. Furthermore, guide posts or guide wheels 815 are arranged at the corners of the bottom and the top of the incense stick placing rack 8.

For convenient operation, the incense stick inlet 11 is arranged at the front end of the oven body 1, a material sensor is arranged at the incense stick inlet, and an industrial control box 10 which is connected with the material sensor 13 and a driving device circuit is arranged outside the oven body 1. The material sensor can be arranged above or below or at two sides of the incense stick inlet, and the specific installation position is determined according to the requirement. When the material sensor 13 senses that the sieve plate 82 is full of incense sticks, information is sent to the industrial control box 10, the industrial control box 10 sends an instruction to the driving device to enable the conveying chain 6 to drive the incense stick placing frame 8 to move upwards by one layer of sieve plate 8 (if the incense stick placing frame 8 is circularly dried from bottom to top, the incense stick placing frame moves downwards by one layer of sieve plate 8). The motor is a servo motor or a stepping motor. The industrial control box 10 comprises a box body with a built-in control circuit board, a display screen and a plurality of operation buttons, wherein the display screen and the operation buttons are arranged on the box body, and the operation buttons comprise a starting button, a heating button and a fan button. For making the fragrant stick place the frame can realize the balance automatically after cartridge fragrant stick at every turn to prevent that the position that fragrant stick was inserted too before or too after and lead to the whole emergence slope of fragrant stick rack (incline) incident, the preceding tip of oven body 1 still is equipped with the limit structure who is used for injecing fragrant stick cartridge degree of depth. The limiting structure can be designed according to needs, such as a limiting contrast column arranged at the insertion position of the incense stick at the front end of the oven body; preferably a vertical balance baffle arranged behind the incense stick placing rack. The balance baffle is rotatably connected to the supporting frame of the oven body 1 through a third rotating shaft. When the incense stick is inserted, the incense stick can be limited by the balance baffle to extend out of the back of the incense stick placing rack by the length. And the balance baffle can also be arranged on the support frame in a position-adjustable manner, so as to adapt to the insertion and limiting of the incense sticks with different lengths. In order to enable the incense stick placing frame to realize automatic material pouring after the incense sticks are dried, a blocking piece k used for realizing material pouring is arranged at the position, close to the front end outlet, of the bottom plate of the lower drying channel 5, and the blocking piece k can enable the incense stick placing frame 8 to incline forwards to realize material pouring through the blocking effect on the bottom of the incense stick placing frame 8 in the process that the incense stick placing frame 8 moves towards the outlet. The blocking piece k is a slope guiding piece with at least one front slope surface. The inclined guide member is installed on the bottom plate of the lower drying passage 5 so as to be adjustable in position back and forth. Preferably, the method comprises the following steps: a notch for the upward extension of the inclined guide piece is arranged on the bottom plate of the lower drying channel 5 close to the outlet, and the inclined guide piece can move back and forth and is arranged at the notch. And in order to prevent the phenomenon that the sieve plate falls out when the fragrant stick placing frame 8 is inclined to pour materials, small flanges are arranged on one sides, located in the pouring direction, of the two side edges of the outer frame 81. Further comprises the following steps: the outlet of the lower drying channel can be provided with an output belt which can receive the incense stick poured from the incense stick placing rack 8 and convey the incense stick out.

When the electric heating cooker is used, the starting button is pressed, and the heater and the fan are started to realize heating and thermal circulation. An operator transversely inserts a plurality of fragrant sticks in a row in arc-shaped slots on a sieve plate in a fragrant stick placing rack from a fragrant stick loading port, inserts the fragrant sticks from a first-layer sieve plate from the top, sends information to an industrial control box 10 after the fragrant sticks are fully inserted on the sieve plate 82 sensing the first layer by a material sensor 13, sends an instruction to a servo motor to enable a conveying chain 6 to drive the fragrant stick placing rack 8 to move upwards for one-layer sieve plate 8, then inserts the fragrant sticks on a second layer, moves upwards for one layer after the fragrant sticks are fully inserted, and repeatedly inserts the fragrant sticks until all the sieve plates on the fragrant stick placing rack 8 are filled with the fragrant sticks. The incense stick placing rack 8 is conveyed to the upper drying channel, then the incense stick inserting of the next incense stick placing rack 8 is carried out until all the incense stick placing racks 8 on the conveying chain are all provided with incense sticks. Meanwhile, the plurality of incense stick placing frames run to the lower drying channel along the upper drying channel to realize hot air drying through the conveying action of the servo motor, the transmission gear and the conveying chain. In the drying process, when the heater is heated to the set drying temperature in the box, the heat pump of the heater stops heating. When the temperature in the cabinet is lower than the drying temperature, the heat pump restarts heating, and so on. After drying, when the exit of stoving passageway was moved to down to the fragrant stick rack, the in-process that the piece can remove to the exit at fragrant stick rack 8 in the guide of exit, through the effect of blockking to fragrant stick rack 8 bottom and make fragrant stick rack 8 incline forward and realize falling the material, take the collection workbin to receive fragrant stick this moment just can or through the output band that sets up below before the passageway of drying down with fragrant stick transport can, so need not to take down fragrant stick or take out fragrant stick rack falling material from fragrant stick rack through the manual work again, further improvement its production efficiency. The fragrance stick placing rack 8 after pouring returns to the initial position under the action of the conveying chain, and is ready for drying the fragrance stick in the next round. The drying box can be operated only by one, so that the labor cost is greatly reduced.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

While the invention has been described with reference to specific embodiments, this description is not meant to be construed in a limiting sense. If the heating and ventilation channel, the upper drying channel and the lower drying channel can also be arranged in an extending manner along the width direction of the oven body 1, the incense stick inserting direction of the incense stick placing frame 8 can be correspondingly adjusted according to the situation. Belonging to the equivalent technical scheme. Other variations of the disclosed embodiments, as would be appreciated by those skilled in the art with reference to the description of the invention, are contemplated as falling within the scope of the appended claims.

Claims

1. The utility model provides a fragrant excellent energy-efficient stoving case of full-automatic multilayer circulation formula, includes oven body (1), heater (2), its characterized in that: the incense stick drying device is characterized in that a heating and ventilating channel (3) extending along the length direction of the oven body (1), an upper drying channel (4) positioned above the heating and ventilating channel (3), a lower drying channel (5) positioned below the heating and ventilating channel (3), a group of closed-loop conveying chains (6) which are arranged in parallel and are used for connecting the upper drying channel (4) with the lower drying channel (5), and a transmission chain wheel (7) meshed with the conveying chains (6) are arranged in sequence and arranged on the conveying chains (6) at intervals, wherein the transmission chain wheel (7) is connected with a driving device, one end of the oven body (1) is provided with an incense stick inlet, a fan (9) and the heater (2) are arranged in the heating and ventilating channel (3), two ends of the heating and ventilating channel (3) are communicated with two ends of the upper drying channel (4) and the lower drying channel (5), two ends of the upper drying channel (4) and the lower drying channel (5) can be communicated with two ends of the heating and ventilating channel (3) under the action of the heater (2) and the fan (9), and two sides of the heating and ventilating channel (3) can be connected with the heating and ventilating channel (6) through rotating shafts (c) or a corresponding rotating shaft (8 a) respectively, the incense stick placing frame is driven by the conveying chain to realize multi-layer circulating operation drying in the inner cavity of the oven body.

2. The full-automatic multi-layer circulating type fragrant rod high-efficiency energy-saving drying box according to claim 1, characterized in that: the integral gravity center of the incense stick placing rack (8) is positioned at the lower part or the lower part of the incense stick placing rack (8) is provided with a balance weight piece, so that the incense stick placing rack (8) can always keep a vertical balance state in the conveying process and is not easy to automatically topple and turn over.

3. The full-automatic multi-layer circulating type fragrant rod high-efficiency energy-saving drying box according to claim 1, characterized in that: the two side edges of the incense stick placing rack (8) are provided with the rotating shaft (a) and the connecting plate (c), one end of the connecting plate (c) is rotatably connected with the rotating shaft (a), and the other end of the connecting plate is fixedly arranged on the corresponding conveying chain (6).

4. The full-automatic multi-layer circulating type high-efficiency energy-saving drying box for the fragrant sticks as claimed in claim 3, characterized in that: guide rails are respectively arranged at two sides of the upper drying channel (4) and two sides of the lower drying channel (5), the mounting position of the conveying chain (6) at the upper drying channel (4) is located on the guide rails at two sides of the upper drying channel (4), and the mounting position of the conveying chain (6) at the lower drying channel (5) is located on the guide rails at two sides of the lower drying channel (5).

5. The full-automatic multi-layer circulating type fragrant rod high-efficiency energy-saving drying box according to claim 1, characterized in that: incense stick rack (8) are including outer frame (81) and a plurality of sieve (82) of upwards superpose in outer frame (81) from bottom to top, be equipped with arc slot (821) that the multiseriate is horizontal parallel partition and arranges on sieve (82), the arc slot of sieve (82) is used for placing incense stick, and it has a plurality of air vents (822) to open on each arc slot, is formed with the clearance that supplies the gas convection between two adjacent sieves (82) from top to bottom.

6. The full-automatic multi-layer circulating type high-efficiency energy-saving drying box for the fragrant sticks as claimed in claim 5, characterized in that: the bottom of the sieve plate (82) is provided with a separation supporting edge (823), and the two sieve plates (82) which are adjacent up and down form a gap for gas convection through the separation supporting edge (823).

7. The full-automatic multi-layer circulating type high-efficiency energy-saving drying box for the fragrant sticks as claimed in claim 5, characterized in that: outer frame (81) include chassis board (812) and top frame board (811) and are located side frame board (813) of both sides, sieve (82) stack is between chassis board (812) and top frame board (811), and the middle part of side frame board (813) is equipped with the confession the shaft hole of pivot (a) installation, outer frame (81) can connect with rotating in pivot (a).

8. The full-automatic multi-layer circulating type high-efficiency energy-saving drying box for the fragrant sticks as claimed in claim 7, characterized in that: the distance from the rotating shaft (a) to the top frame plate (811) is smaller than the distance from the rotating shaft (a) to the bottom frame plate (812) or/and the lower end part of the side frame plate (813) is provided with a balancing weight.

9. The full-automatic multi-layer circulating type fragrant rod high-efficiency energy-saving drying box according to claim 1, characterized in that: the incense stick feeding port (11) is arranged at the front end of the oven body (1), a material sensor is arranged at the incense stick feeding port (11), an industrial control box (10) which is in circuit connection with the material sensor (13) and a driving device is further arranged outside the oven body (1), the material sensor (13) senses that the sieve plate (82) is full of incense sticks and then sends information to the industrial control box (10), and the industrial control box (10) sends an instruction to the driving device to enable the conveying chain (6) to drive the incense stick placing frame (8) to move up or down to the position of one sieve plate (8); or the front end part of the oven body (1) is also provided with a limiting structure for limiting the insertion depth of the incense stick, and the limiting structure is used for preventing the incense stick from being inserted into the incense stick placing frame (8) too front or too back to cause the whole incense stick placing frame to incline.

10. The full-automatic multi-layer circulating type high-efficiency energy-saving drying box for the fragrant sticks as claimed in claim 1, characterized in that: the bottom plate of lower stoving passageway (5) is close to front end exit and is equipped with and is used for realizing blockking piece (k) of pouring the material, it can make fragrant stick rack (8) lean forward and realize pouring the material through the effect of blockking to fragrant stick rack (8) bottom at fragrant stick rack (8) to the in-process that the exit removed to block piece (k).