CN218905956U

CN218905956U - Consumable drying box

Info

Publication number: CN218905956U
Application number: CN202221605120.0U
Authority: CN
Inventors: 胡鹏; 马建
Original assignee: Zhejiang Flashforge 3d Technology Co ltd
Current assignee: Zhejiang Flashforge 3d Technology Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2023-04-25
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a consumable drying box which comprises a drying chamber and a regeneration chamber, wherein a heating device is arranged in the drying chamber, the drying chamber and the regeneration chamber can be communicated through an inner vent hole, the regeneration chamber and the outside can be communicated through an outer vent hole, the regeneration chamber is provided with a renewable drying agent module and an air duct sealing device, the air duct sealing device can move in the regeneration chamber, and the air duct sealing device is provided with three positions in the regeneration chamber and corresponds to three different functional states of the drying box. Drying chamber heats the stoving to the consumptive material, volatilizees out the absorptive moisture of consumptive material, and the interior renewable drier module of regeneration absorbs moisture, carries out low humidity environment drying to the consumptive material, and the drier can regenerate automatically simultaneously, need not frequent change.

Description

Consumable drying box

Technical Field

The utility model belongs to the field of 3D printing, and particularly relates to a consumable drying box.

Background

Before 3D printing, the FDM type 3D printing consumable material needs to be dried. Undried consumables can seriously affect the quality of 3D printing models because the moisture inside or attached to the consumables heats up to steam at high temperature, resulting in bubbles in the printed models, and possibly even print failures in severe cases.

The prior art is used for drying and drying consumable materials through a consumable drying box, and two modes are generally used, namely heating and drying, and low-temperature drying. Heating and drying are carried out drying treatment to consumable through a heating device, moisture absorbed by the volatile consumable is required to be used immediately or resealed after drying, and whether the consumable absorbs water and regains moisture easily is avoided. The low-temperature drying creates a low-humidity drying environment through the drying agent, absorbs the moisture attached to the consumable, cannot dry the moisture in the consumable, and needs to be replaced frequently or removed for regeneration. These two modes have advantages and disadvantages, and the existing drying oven only has a single drying mode.

Disclosure of Invention

The utility model aims to provide a consumable drying box which can heat and dry wet consumables, automatically dry the consumables in a low-humidity environment after the consumables are dried, and automatically regenerate a drying agent without frequent replacement.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the consumable drying and drying box comprises a drying chamber and a regeneration chamber, wherein a heating device is arranged in the drying chamber, the drying chamber and the regeneration chamber can be communicated through an inner vent hole, the regeneration chamber and the outside can be communicated through an outer vent hole, the regeneration chamber is provided with a renewable drying agent module and an air duct sealing device, the air duct sealing device can move in the regeneration chamber, and when the air duct sealing device does not block the inner vent hole and the outer vent hole, the drying chamber is communicated with the outside through the regeneration chamber; when the air duct sealing device plugs the outer vent hole, the drying chamber is communicated with the regeneration chamber, and the regeneration chamber is isolated from the outside; when the air duct sealing device plugs the inner vent hole, the drying chamber is isolated from the regeneration chamber, and the regeneration chamber is communicated with the outside.

The drying cabinet has drying chamber and regeneration room, and wherein the drying chamber heats the stoving to the consumptive material, volatilizees out the absorbent moisture of consumptive material, and the interior renewable drier module of regeneration absorbs moisture, carries out low humidity environment drying to the consumptive material. The air duct sealing device is arranged in the regeneration chamber and has three positions, and consumable drying boxes are in different functional states according to the different positions of the air duct sealing device.

Further, when the air duct sealing device does not block the inner vent hole and the outer vent hole, the heating device heats, and the drying oven is in a drying state; when the air duct sealing device blocks the outer vent hole, the drying box is in a dehumidification state, and the renewable drying agent module absorbs moisture; when the air duct sealing device blocks the inner vent hole, the regenerable desiccant module is in a regenerated state.

The drying box has three states, namely a drying state, a dehumidifying state and a drying agent regeneration state.

When in a drying state, the air duct sealing device does not block the inner vent hole and the outer vent hole, the drying chamber, the regeneration chamber and the outside are communicated, the heating device in the drying chamber heats consumable materials, the consumable materials are dried, water vapor and expanded gas in the drying chamber pass through the inner vent hole to the regeneration chamber and then are discharged to the outside through the outer vent hole, and at the moment, the water vapor and the expanded gas do not pass through the renewable drying agent module.

When in a dehumidification state, the air duct sealing device blocks the outer vent hole, isolates the regeneration chamber from the outside, the regeneration chamber is communicated with the drying chamber, the heating device in the drying chamber stops heating, water vapor in the drying chamber returns to the drying chamber again after passing through the regenerable drying agent module in the regeneration chamber, and the humidity in the drying chamber is reduced.

When the drying agent is in a regeneration state, the air duct sealing device blocks the inner vent hole, the regeneration chamber is isolated from the drying chamber, the regeneration chamber is communicated with the outside, the regenerable drying agent module regenerates the drying agent, and the moisture in the drying agent is discharged to the outside.

Further, the air duct sealing device also comprises an air duct sealing ring and a traction assembly, and the traction assembly drives the air duct sealing ring to move in the regeneration chamber; the traction assembly comprises a driving motor, a screw rod nut and a traction piece, one end of the screw rod is connected with the driving motor, the screw rod nut is in threaded fit with the screw rod, one end of the traction plate is fixedly connected with the screw rod nut, and the other end of the traction plate is fixedly connected with the air duct sealing ring. The driving motor converts the rotary motion into linear motion, drives the screw nut and the traction piece to move on the screw rod, and the traction piece drives the sealing ring to move in the regeneration chamber, so that the position of the air duct sealing ring is controlled. The traction piece plays a role in connecting the screw nut and the air duct sealing ring.

Further, the air duct sealing ring comprises at least two sealing ring bodies and a connecting part, the sealing ring bodies are connected through the connecting part, the air duct sealing ring further comprises a fixing column, the fixing column is fixed in the air duct sealing ring, and the fixing column is connected with the traction piece. The two ends of the air duct sealing ring are provided with sealing ring bodies, and the sealing ring bodies at the two ends are respectively used for sealing the inner vent hole and the outer vent hole. The fixed column is arranged to strengthen the rigidity of the structure, and meanwhile, the air duct sealing ring is convenient to connect with the traction piece.

Further, the structure of the sealing ring body is a bowl-shaped thin wall, and the inner diameter of the sealing ring body from the opening part to the bottom is firstly increased and then decreased. The bowl-shaped thin-wall sealing ring body is easy to compress, the compression end face is larger, and when the movement precision is low, the sealing can be realized by increasing the stroke of the sealing ring and the compression amount. Therefore, the sealing ring body has good tightness, large compression amount and low requirement on movement precision.

Further, one side of the driving motor is provided with a guide shaft which is horizontally arranged in parallel with the screw rod, the guide shaft is provided with a sliding block, and the sliding block is fixedly connected with the traction piece. The guide shaft is used for preventing the traction piece from rotating and deviating around the screw rod nut, and stability of the traction piece is improved.

Further, the drying box is provided with at least two inner vent holes and two outer vent holes, the inner vent holes and the outer vent holes are arranged oppositely, two ends of the renewable drying agent module are respectively provided with at least one inner vent hole and one outer vent hole, a turbofan is arranged in the regeneration chamber, and the exhaust port of the turbofan is aligned with the renewable drying agent module.

When in a dehumidification state, gas in the drying chamber enters the turbofan from the inner vent hole on one side, then enters the renewable drying agent module to absorb moisture, and the dried gas flows out into the drying chamber from the inner vent hole on the other side.

When the desiccant is in a desiccant regeneration state, external air enters the turbofan from the external vent hole on one side and then enters the regenerable desiccant module, the regenerable desiccant module regenerates and discharges vapor, and the air containing the vapor flows out from the external vent hole on the other side to the outside.

Further, the renewable drying agent module comprises a drying agent, a cavity, a heating block and heat insulation cotton, wherein the drying agent is arranged in the cavity, the heating block is arranged at the outer side of the cavity, and the heat insulation cotton is wrapped outside the heating block. The drier is located at the center of the cavity, and the cavity can be wrapped by aluminum sheet metal. The heating block realizes the regeneration and cyclic utilization of the drying agent, so that the temperature of the drying agent is higher than 100 ℃, and the absorbed moisture in the drying agent can volatilize again, so that the drying capability is recovered. The heat insulation cotton has the heat insulation effect. The drying agent is preferably 3A molecular sieve, the low humidity environment has good water absorption effect, the regeneration temperature is low, and the regeneration times are high.

Further, the drying cabinet still includes the inner bag, and the drying chamber is installed in the inner bag, and the drying chamber communicates with the inner bag, and the inner bag can be through inner vent and regeneration chamber intercommunication, and one side that the inner bag is close to regeneration chamber and one side that the regeneration chamber is close to the inner bag all are equipped with the inner vent, and regeneration chamber and the one side that the inner bag distance is furthest are equipped with outer vent. The inner container isolates the high temperature environment, and reduces the temperature resistance requirement on components in the drying oven such as a turbofan, a humidity sensor and a temperature sensor. The drying chamber is communicated with the inner container by a certain area, the size of the area can be selected by oneself, the humidity can be kept consistent, and meanwhile, a large amount of heat does not run into the inner container.

Further, a humidity sensor is arranged in the inner container or the drying chamber. The humidity sensor monitors the humidity of the liner or the drying chamber in real time, and when the monitored humidity is larger than a set humidity value after the dehumidification state lasts for a certain time, the drying box enters a drying agent regeneration state.

By adopting the technical scheme, the utility model has the following beneficial effects:

the drying cabinet has drying chamber and regeneration room, and wherein the drying chamber heats the stoving to the consumptive material, volatilizees out the absorbent moisture of consumptive material, and the interior renewable drier module of regeneration absorbs moisture, carries out low humidity environment drying to the consumptive material, and the drier can regenerate automatically simultaneously, need not frequent change. The method has the following specific beneficial effects:

1. the regeneration chamber is provided with an air duct sealing device, and the position of the air duct sealing device is controlled by the driving motor, so that the regeneration chamber is only communicated with the drying chamber, only communicated with the outside, or simultaneously communicated with the drying chamber and the outside. The driving motor converts the rotary motion into linear motion, so that the position of the air duct sealing device can be conveniently controlled. The traction piece plays a role of connecting the screw nut and the air duct sealing device.

2. The bowl-shaped thin-wall sealing ring body is easy to compress, the compression end face is larger, and when the movement precision is low, the sealing can be realized by increasing the stroke of the sealing ring and the compression amount. Therefore, the sealing ring body has good tightness, large compression amount and low requirement on movement precision.

3. The temperature equalizing fan in the drying chamber rotates, turbulence gas, and when heating, the temperature in the drying chamber is even, can make steam flow simultaneously, realizes humidity uniformity. The temperature sensor monitors the temperature in the drying chamber in real time.

4. The drying agent in the renewable drying agent module is positioned in the center of the cavity, and the cavity can be wrapped by aluminum sheet metal. The heating block realizes the regeneration and cyclic utilization of the drying agent, so that the temperature of the drying agent is higher than 100 ℃, and the absorbed moisture in the drying agent can volatilize again, so that the drying capability is recovered. The heat insulation cotton has the heat insulation effect. The drying agent is preferably 3A molecular sieve, the low humidity environment has good water absorption effect, the regeneration temperature is low, and the regeneration times are high.

5. The inner container isolates the high-temperature environment, and reduces the temperature resistance requirement on components in the drying oven. The drying chamber is communicated with the inner container by a certain area, the size of the area can be selected by oneself, the humidity can be kept consistent, and meanwhile, a large amount of heat does not run into the inner container.

Drawings

The utility model is further described below with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a consumable part drying oven in example 1;

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

fig. 3 is a vertical sectional view of the consumable part drying oven in the dried state in example 1;

fig. 4 is a vertical sectional view of the consumable part drying oven in example 1 in a dehumidified state;

fig. 5 is a vertical sectional view of the consumable part drying oven of example 1 in a desiccant regeneration state;

FIG. 6 is a schematic view showing the structure of the outside of the regeneration chamber in example 1;

FIG. 7 is a top view of the traction assembly of example 1;

FIG. 8 is a schematic view showing the structure of the inside of the regeneration chamber in example 1;

fig. 9 is a sectional view of the regeneration chamber in the vertical direction in embodiment 1;

FIG. 10 is a schematic diagram of the structure of the seal ring of the air duct in embodiment 1;

fig. 11 is a schematic view showing the structure of a drying chamber in embodiment 1;

FIG. 12 is a schematic cross-sectional view of the air duct seal shown in FIG. 10;

FIG. 13 is a flow chart of a method of drying using a consumable part drying oven;

fig. 14 is a vertical sectional view of the consumable part drying oven of example 2 in a desiccant regeneration state;

fig. 15 is a cross-sectional view of fig. 14.

Detailed Description

The utility model is further illustrated below with reference to examples.

Example 1

The consumable drying box shown in fig. 1 and 2 comprises a drying chamber 1, a liner 2 and a regeneration chamber 3. In this embodiment, drying chamber 1 adopts drawer form to install inside inner bag 2, and drying chamber 1 has stoving chamber 100, and regeneration chamber 3 has regeneration chamber 300, and wet consumptive material or other article of waiting to dry can be placed in the drying chamber, and the gap is all left at drying chamber 1's top, bottom and inner bag 2, guarantees simultaneously that the drawer opens and shuts smoothly. The drying chamber 1 can also be fixed on the inner container 2, the front door of the drying chamber 1 is an opening and closing door, the drying chamber 1 and the inner container 2 are provided with communicating hole sites, and the area of the hole sites is 200-1000mm ² The location of the hole sites is preferably near the sides of the regeneration chamber 3.

The regeneration chamber 3 may be fastened to the back of the inner container 2 by means of screw threads, welding, etc., where the back refers to the side of the drawer door or the opening and closing door relatively far from the drying chamber 1. The inner bag 2 is equipped with humidity transducer, is equipped with heating device in the drying chamber 1, and drying chamber 100 communicates with the inner bag chamber 200 of inner bag 2, and inner bag chamber 200 communicates through interior ventilation hole 4 with regeneration chamber 300, and regeneration chamber 300 communicates through outer ventilation hole 5 with the external world, and interior ventilation hole 4 and outer ventilation hole 5 set up relatively, and interior ventilation hole 4 is located the back of inner bag 2 and regeneration chamber 3 is close to the side at inner bag 2 back, and the outer ventilation hole is located the side at regeneration chamber 3 relatively far away from inner bag 2 back.

The regeneration chamber 3 is equipped with renewable drier module 6 and air duct sealing device, and air duct sealing device includes air duct sealing washer 8, and air duct sealing washer 8 can remove in regeneration chamber 300, and when air duct sealing washer 8 did not plug up interior ventilation hole 4 and outer ventilation hole 5, the stoving drying cabinet was in the stoving state, and when air duct sealing washer 8 plugged up outer ventilation hole 5, the stoving drying cabinet was in the dehumidification state, and when air duct sealing washer 8 plugged up interior ventilation hole 4, the stoving drying cabinet was in drier regeneration state.

The drying chamber 1 heats and dries the consumable, creates a high temperature environment, volatilizes the moisture absorbed by the consumable. The regenerable desiccant module 6 in the regeneration chamber 3 absorbs moisture and dries the consumable in a low humidity environment. The liner 2 isolates the high-temperature environment and reduces the temperature resistance requirements on components in the drying oven, such as the turbofan 15, the humidity sensor and the temperature sensor 25. The inner container 2 is used as a temperature buffer area, is communicated with the drying chamber 1 in a certain area, the area size can be selected by self, the humidity can be kept consistent, and a large amount of heat does not run out of the inner container 2.

The drying box has three working states, namely a drying state, a dehumidifying state and a drying agent regenerating state. As shown in fig. 3, 4, 5 and 8, the drying box is provided with two inner ventilation holes 4 and two outer ventilation holes 5, and taking the direction shown in fig. 3 as an example, the upper end of the regenerable drying agent module 6 is provided with one inner ventilation hole 4 and one outer ventilation hole 5, the lower end of the regenerable drying agent module 6 is also provided with one inner ventilation hole 4 and one outer ventilation hole 5, the number of the air duct sealing rings 8 is two, and the two air duct sealing rings are respectively positioned at the upper end and the lower end of the regenerable drying agent module 6. The air duct sealing ring 8, the inner vent 4 and the outer vent 5 at the upper end of the renewable drying agent module 6 are positioned at the same horizontal position, and the air duct sealing ring 8, the inner vent 4 and the outer vent 5 at the lower end of the renewable drying agent module 6 are also positioned at the same horizontal position. A turbo fan 15 is provided in the bottom of the regeneration chamber 3, and an exhaust port of the turbo fan 15 is aligned with the regenerable desiccant module 6.

As shown in fig. 9, the regenerable desiccant module 6 comprises a desiccant 16, a cavity 17, a heating block 18 and heat insulation cotton 19, wherein the desiccant 16 is arranged in the cavity 17, the heating block 18 is arranged outside the cavity 17, and the heat insulation cotton 19 is wrapped around the heating block 18. The drying agent 16 is positioned at the center of the cavity 17, and the cavity 17 can be wrapped by aluminum sheet metal. The heating block 18 realizes the regeneration and recycling of the drying agent 16, and when the temperature of the drying agent 16 is higher than 100 ℃ in operation, absorbed moisture in the drying agent 16 can be volatilized again, so that the drying capability is recovered. The heat insulation cotton 19 plays a role in heat insulation. The desiccant 16 is preferably 3A molecular sieve, the low humidity environment has good water absorption effect, the regeneration temperature is low, and the regeneration times are high.

As shown in fig. 3, when the drying cabinet is in a drying state, the two air duct sealing rings 8 do not block the inner vent 4 and the outer vent 5, the drying cavity 100 is communicated with the regeneration cavity 300 through the inner container cavity 200 and the inner vent 4, the regeneration cavity 300 is communicated with the outside through the outer vent 5, the heating device in the drying chamber 1 heats the consumable and dries the consumable, the water vapor and the expanded gas in the drying cavity 100 pass through the inner container 2 and the inner vent 4 to the regeneration cavity 300, and then are discharged to the outside atmosphere through the outer vent 5, and at the moment, the water vapor and the expanded gas do not pass through the regenerable drying agent module 6.

As shown in fig. 4, when the drying cabinet is in a dehumidified state, the two air duct sealing rings 8 block the two corresponding external ventilation holes 5, isolate the regeneration cavity 300 from the outside, communicate the regeneration cavity 300 with the inner container cavity 200, stop the heating of the heating device in the drying cavity 100, start the turbofan 15, flow the water vapor in the drying cavity 100 into the regeneration cavity 300 from the internal ventilation holes 4 below the renewable drying agent module 6 through the inner container cavity 200, dry the renewable drying agent module 6 in the regeneration cavity 300, and return to the inner container cavity 200 and the drying cavity 100 from the internal ventilation holes 4 above the renewable drying agent module 6 again, thereby reducing the humidity in the drying cavity 100.

As shown in fig. 5, when the drying and drying box is in a drying agent regeneration state, two air duct sealing rings 8 block two corresponding inner ventilation holes 4, isolate the regeneration cavity 300 from the inner container cavity 200, the regeneration cavity 300 is communicated with the outside air, the turbofan 15 is started, the heating block 18 heats, the outside air flows into the regeneration cavity 300 from the outer ventilation holes 5 below the renewable drying agent module 6, the drying agent 16 is regenerated through the renewable drying agent module 6, and the air with the moisture of the drying agent 16 is discharged to the outside from the outer ventilation holes 5 above the renewable drying agent module 6.

As shown in fig. 6, the air duct sealing device further includes a traction assembly 9, the traction assembly 9 drives the air duct sealing ring 8 to move in the regeneration cavity 300, and the air duct sealing ring 9 moves along the horizontal direction in the embodiment by taking the direction shown in fig. 3 as an example, which can of course also change the moving direction to achieve the same technical effect by adaptively modifying the scheme. The traction assembly 9 is used for changing the position of the air duct sealing ring 8, so that the air duct sealing ring 8 stays at three positions according to instruction requirements, and three states of the drying box are realized.

As shown in fig. 7, the traction assembly 9 includes a driving motor 10, a screw rod 14, a screw rod nut 11, a guide shaft 12 and a traction member 13, wherein the driving motor 10 is preferably a screw rod motor, one end of the screw rod 14 is connected with the driving motor 10, the driving motor 10 drives the screw rod 14 to rotate, the screw rod nut 11 is provided with internal threads, the screw rod 14 is provided with external threads, the screw rod 14 is in threaded fit with the screw rod nut 11 so as to convert the rotation motion of the screw rod into the linear motion of the screw rod nut 11, one end of the traction member 13 is fixedly connected with the screw rod nut 11 through a screw, the other end of the traction member 13 is fixedly connected with the air duct sealing ring 8, and the screw rod nut 11 drives the traction member 13 to move along the axial direction of the screw rod 14 of the driving motor 10, so as to drive the air duct sealing ring 8 to move in the regeneration cavity 300. The driving motor 10 converts rotary motion into linear motion through the screw rod 14 and the screw rod nut 11, so that the position of the air duct sealing ring 8 is conveniently controlled. The traction member 13 serves to connect the lead screw nut 11 and the duct seal ring 8. The guide shaft 12 is disposed at one side of the driving motor 10, and is used for preventing the traction member 13 from deviating around the rotation of the screw nut 11, thereby improving the stability of the traction member 13. The guide shaft 12 is horizontally arranged in parallel with the screw rod 14, the guide shaft 12 is provided with a sliding block 26, and the sliding block 26 is fixedly connected with the traction piece 13. The guide shaft 12 is used for preventing the traction piece 13 from deviating around the rotation of the wire rod nut 11, and improving the stability of the traction piece 13. As shown in fig. 10 and 12, an air duct sealing ring 8 includes at least two sealing ring bodies 20 and a connecting portion 21, the sealing ring bodies 20 are connected by the connecting portion 21, the sealing ring bodies 20 and the connecting portion 21 are made of elastic materials, and the sealing ring bodies 20 and the connecting portion 21 are in an integral structure. The inside of the connecting part 21 of the air duct sealing ring 8 is provided with a fixed column 7 to strengthen the rigidity of the structure, and the fixed column 7 is in transmission connection with the traction piece 13 through a thread fixing mode and the like. Both ends of an air duct sealing ring 8 are provided with a sealing ring body 20, and the sealing ring bodies 20 at both ends are respectively used for sealing the inner vent 4 and the outer vent 5. The fixing column 21 is arranged to facilitate the connection of the air duct sealing ring 8 with the traction piece 13.

In the dehumidified state, the air in the drying chamber 100 enters the chamber where the turbo fan 15 is located from the inner vent 4 on one side, then enters the regenerable desiccant module 6 to absorb moisture, and the dehumidified air flows out from the inner vent 4 on the other side into the drying chamber 100.

When the desiccant is in a desiccant regeneration state, external air enters the cavity of the turbofan 15 from the external vent hole 5 on one side and then enters the regenerable desiccant module 6, the heating block 18 heats, the regenerable desiccant module 6 regenerates and discharges water vapor, and the air containing the water vapor flows out from the external vent hole 5 on the other side to the outside.

As shown in fig. 10, the seal ring body 20 has a bowl-shaped thin wall, and the inner diameter of the seal ring body 20 from the opening 22 to the connecting portion 21 increases and decreases. The bowl-shaped thin-wall sealing ring body 20 is easy to compress, the force required by compression is small, the compression end face is larger, and when the movement precision is low, the sealing can be realized by enlarging the stroke of the sealing ring and enlarging the compression amount. Therefore, the sealing ring body 20 has good tightness, large compression amount and low requirement on movement precision.

As shown in fig. 11, the heating device includes an annular heating pipe 23, a temperature equalizing fan 24, and a temperature sensor 25. The temperature equalizing fan 24 rotates to disturb the air, so that the temperature in the drying cavity 100 is uniform during heating, and meanwhile, water vapor can flow, and the humidity is uniform. The temperature sensor 25 monitors the temperature in the drying chamber 100 in real time.

As shown in fig. 13, a drying method using a consumable part drying oven includes the steps of:

(1) The consumable materials are placed in a drying chamber 1, the drying oven enters a drying state, a driving motor 10 drives an air duct sealing ring 8 to move to a middle position, the air duct sealing ring 8 does not block an inner vent 4 and an outer vent 5, the drying chamber 1 is heated by a heating device, water vapor and expanded gas in the drying chamber 1 enter a regeneration chamber 3 from the inner vent 4 after passing through an inner container 2, and then are discharged to the atmosphere through the outer vent 5;

(2) After the drying state lasts for a set time t1, the heating device stops heating, the drying box enters a dehumidification state, the driving motor 10 drives the air duct sealing ring 8 to block the outer vent hole 5, the drying box is isolated from the outside, the drying chamber 1, the inner container 2 and the regeneration chamber 3 are communicated with air, the turbofan 15 is started, gas in the drying chamber 1 flows through the renewable drying agent module 6 through the turbofan 15, moisture in the gas is absorbed by the drying agent 16 and flows back into the inner container 2 and the drying chamber 1, the humidity sensor detects the humidity in the inner container 2 in real time, and when the dehumidification state is operated until the current humidity is smaller than or equal to a set humidity value, consumable materials are stored in the set humidity value until the consumable materials are taken out from the drying chamber 1 in use; the consumable that can dry before using is preserved in the drying chamber, prevents to take out and does not use for a long time and the condition that leads to the consumable performance to worsen of absorbing water.

(3) If the dehumidifying state is operated for t2 time and the humidity is still greater than the set humidity value, the drying and drying box enters a drying agent regeneration state, the driving motor 10 drives the air duct sealing ring 8 to block the inner ventilation hole 4, the regeneration chamber 3 is isolated from the liner 2, the regeneration chamber 3 is communicated with the outside, the heating block 18 heats the drying agent 16, the turbofan 15 starts to suck in the outside air, and the volatilized vapor in the drying agent 16 is blown out;

(4) After the drying agent regeneration state lasts for the set time t3, the driving motor 10 drives the air duct sealing ring 8 to block the outer vent hole 5, the drying chamber 1 is communicated with the regeneration chamber 3, when the current humidity is less than or equal to the set humidity value in the dehumidification state, the consumable is stored in the set humidity value until the consumable is taken out from the drying chamber in use, if the dehumidification state is operated for t2 time, the humidity is still greater than the set humidity value, the drying agent 16 is invalid, and the drying agent 16 needs to be replaced.

Example 2

As shown in fig. 14 and 15, the drying box may not include the liner 2, and the regeneration chamber 3 may be directly fixed to the back of the drying chamber 1, and the fixing method is not limited to screw threads, welding, or the like. The front door of the drying chamber 1 is an opening and closing door and is used for taking and placing consumables. The rest of the structure is the same as in example 1.

The above is only a specific embodiment of the present utility model, but the technical features of the present utility model are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present utility model to solve the substantially same technical problems and achieve the substantially same technical effects are encompassed within the scope of the present utility model.

Claims

1. A consumable stoving drying cabinet, its characterized in that: the drying chamber is internally provided with a heating device, the drying chamber and the regeneration chamber can be communicated through an inner vent hole, the regeneration chamber and the outside can be communicated through an outer vent hole, the regeneration chamber is provided with a regenerable drying agent module and an air duct sealing device, the air duct sealing device can move in the regeneration chamber, and when the air duct sealing device does not block the inner vent hole and the outer vent hole, the drying chamber is communicated with the outside through the regeneration chamber; when the air duct sealing device blocks the outer vent hole, the drying chamber is communicated with the regeneration chamber, and the regeneration chamber is isolated from the outside; when the air duct sealing device blocks the inner vent hole, the drying chamber is isolated from the regeneration chamber, and the regeneration chamber is communicated with the outside.

2. A consumable baking and drying box according to claim 1, characterized in that: when the air duct sealing device does not block the inner vent hole and the outer vent hole, the heating device heats, and the drying box is in a drying state; when the air duct sealing device blocks the outer vent hole, the drying box is in a dehumidification state, and the renewable drying agent module absorbs moisture; when the air duct sealing device blocks the inner vent hole, the renewable drying agent module is in a regeneration state.

3. A consumable baking and drying box according to claim 1, characterized in that: the air duct sealing device also comprises an air duct sealing ring and a traction assembly, and the traction assembly drives the air duct sealing ring to move in the regeneration chamber; the traction assembly comprises a driving motor, a screw rod nut and a traction piece, wherein one end of the screw rod is connected with the driving motor, the screw rod nut is in threaded fit with the screw rod, one end of the traction piece is fixedly connected with the screw rod nut, and the other end of the traction piece is fixedly connected with the air duct sealing ring.

4. A consumable baking and drying box according to claim 3, characterized in that: the air duct sealing ring comprises at least two sealing ring bodies and a connecting part, wherein the sealing ring bodies are connected through the connecting part, the air duct sealing ring further comprises a fixing column, the fixing column is fixed in the air duct sealing ring, and the fixing column is connected with the traction piece.

5. The consumable baking and drying oven according to claim 4, wherein: the structure of the sealing ring body is a bowl-shaped thin wall, and the inner diameter of the sealing ring body from the opening part to the connecting part is firstly increased and then decreased.

6. A consumable baking and drying box according to claim 3, characterized in that: one side of the driving motor is provided with a guide shaft, the guide shaft is horizontally arranged in parallel with the screw rod, the guide shaft is provided with a sliding block, and the sliding block is fixedly connected with the traction piece.

7. A consumable baking and drying box according to claim 1, characterized in that: the drying box is provided with at least two inner vent holes and two outer vent holes, the inner vent holes and the outer vent holes are oppositely arranged, at least one inner vent hole and one outer vent hole are respectively arranged at two ends of the renewable drying agent module, a turbofan is arranged in the regeneration chamber, and an exhaust port of the turbofan is aligned with the renewable drying agent module.

8. A consumable baking and drying box according to claim 1, characterized in that: the renewable drying agent module comprises a drying agent, a cavity, a heating block and heat insulation cotton, wherein the drying agent is arranged in the cavity, the heating block is arranged on the outer side of the cavity, and the heat insulation cotton is wrapped outside the heating block.

9. A consumable baking and drying box according to claim 1, characterized in that: the drying box further comprises an inner container, the drying chamber is arranged in the inner container, the drying chamber is communicated with the inner container, the inner container can be communicated with the regeneration chamber through the inner ventilation hole, one side, close to the regeneration chamber, of the inner container and one side, close to the inner container, of the regeneration chamber are respectively provided with the inner ventilation hole, and one side, farthest from the inner container, of the regeneration chamber is provided with the outer ventilation hole.

10. The consumable baking and drying case according to claim 9, wherein: and a humidity sensor is arranged in the inner container or the drying chamber.