CN216620472U

CN216620472U - Dehumidification device and 3D printer consumptive material storehouse dehumidification subassembly can regenerate

Info

Publication number: CN216620472U
Application number: CN202122321167.6U
Authority: CN
Inventors: 韩成超; 丁进
Original assignee: Shanghai Intamsys Technology Co ltd
Current assignee: Shanghai Intamsys Technology Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-05-27
Anticipated expiration: 2031-09-24

Abstract

The utility model relates to a reproducible dehumidifying device and a dehumidifying component of a consumable bin of a 3D printer, wherein the reproducible dehumidifying device comprises: the shell is provided with an accommodating cavity, a first through hole, a second through hole, a third through hole and a fourth through hole which are connected with the accommodating cavity; the air blowing mechanism is arranged in the accommodating cavity and is used for driving the air in the accommodating cavity to flow with the outside air in an interaction manner; the drying agent box is arranged in the accommodating cavity and is internally provided with a renewable drying agent; the heating mechanism is arranged in the accommodating cavity and used for heating the drying agent box; the valve component comprises a first valve, a second valve, a third valve and a fourth valve which are respectively arranged on the corresponding through holes. This patent is through the switch of valve member and the ingenious combination of closed and reproducible drier, and realization that can be very convenient dehumidifies the function in real time and can the function of reproducible, and cyclic utilization need not artifical the change and can in time discharge water, the ingenious simple and practical of structure.

Description

Dehumidification device and 3D printer consumptive material storehouse dehumidification subassembly can regenerate

Technical Field

The utility model relates to the field of equipment dehumidification, in particular to a dehumidification component of a reproducible dehumidification device and a consumable bin of a 3D printer.

Background

At 3D printing process, the printing material can not wet, otherwise can influence the intensity of printing quality and printing, for guaranteeing that the printing material does not wet, the sealed feed bin of 3D printer is in the lower environment of a relative humidity, generally installs a dehydrating unit in the sealed feed bin of 3D printer, can effectively prevent like this that the printing material from wetting, improves and prints the quality.

At present, manufacturers generally adopt two modes of a seal box and a drying agent or a seal bin and a heating device to dehumidify, the drying agent needs to be manually replaced, the dehumidification is very inconvenient, the humidity reduction degree of the latter is limited, the drying agent is only heated in the seal bin, the numerical value of relative humidity is only reduced, the moisture evaporated by heating cannot be discharged from the seal bin, and the printing consumables cannot be really prevented from being affected with damp.

The prior art does not solve the problem, and therefore, it is a problem that one skilled in the art would expect to solve whether to conceive a dehumidification device which can effectively discharge the moisture in the humid environment out of the sealed silo without manually replacing the desiccant.

SUMMERY OF THE UTILITY MODEL

In view of the above technical problems, an object of the present invention is to provide a regenerable dehumidification device, which can effectively discharge moisture in a desiccant out of a sealed bin without manually replacing the desiccant in the dehumidification device, so as to achieve regeneration and recycling of the desiccant.

In order to achieve the above object, an object of the present invention is to provide a regenerable dehumidification device, comprising:

the shell is provided with an accommodating cavity, a first through hole, a second through hole, a third through hole and a fourth through hole which are connected with the accommodating cavity;

the air blowing mechanism is arranged in the accommodating cavity and is used for driving the air in the accommodating cavity to flow with the outside air in an interaction manner; the drying agent box is arranged in the accommodating cavity and is internally provided with a renewable drying agent;

the heating mechanism is arranged in the accommodating cavity and used for heating the drying agent box;

the valve assembly comprises a first valve arranged in the first through hole, a second valve arranged in the through hole, a third valve arranged in the third through hole and a fourth valve arranged in the fourth through hole;

in the dehumidification process, the first valve and the third valve are opened, the second valve and the fourth valve are closed, external damp air is driven by the blower mechanism to enter the accommodating cavity from the first valve and pass through the drying agent box for drying, and dried gas is conveyed out from the third valve;

in the regeneration process, the first valve and the third valve are closed, the second valve and the fourth valve are opened, the heating mechanism heats the drying agent box, and the heated and discharged water is discharged in time through the second valve and the fourth valve.

This patent passes through the linkage of valve member is opened and is closed to and the attribute utilization to the drier of can regenerating, realized real-time dehumidification function, and need not change the drier by the manual work, simple structure is ingenious.

Further preferably, the first valve, the second valve, the third valve and the fourth valve of the valve assembly respectively comprise a fixed valve plate and a rotary valve plate;

the fixed valve plate is provided with a first valve hole, and the rotary valve plate is provided with a second valve hole;

the fixed valve plate is fixed on the shell, the rotary valve plate is rotatably installed on the fixed valve plate, when the first valve hole corresponds to the second valve hole, the valve is opened, and when the first valve hole and the second valve hole are staggered, the valve is closed.

This patent adopts rotatory valve block and fixed valve block structure to make up into the valve, forms opening and closing of valve through the valve opening dislocation on rotatory valve block and the fixed valve block and the coincidence, simple structure, convenient operation, required operating space is little.

Further preferably, a sealing ring is arranged between the rotary valve plate and the fixed valve plate.

Through increasing the sealing washer between rotatory valve block and fixed valve block, form better airtight environment, make no matter the consumptive material storehouse is when the drying device work of can regenerating or standby, all has better sealed environment to keep being in a dry environment in it.

Further preferably, the two opposite axially opposite valves are connected by a transmission shaft, when the first valve is opened, the second valve is closed, and when the first valve is closed, the second valve is opened; similarly, when the third valve is opened, the fourth valve is closed, and when the third valve is closed, the fourth valve is opened; and the first valve and the third valve act synchronously and are opened or closed simultaneously.

In this patent, with adopting same transmission shaft transmission, reduced drive arrangement, just first valve and third valve synchronization action have effectively realized the air cycle in the consumptive material storehouse and have interacted, when dehumidification action completion back, first, three valve are closed, and second, four valves are opened, through heating device, pass through second, four valve discharge with the absorbed moisture, and the most genuine is with its outside of moisture discharge in the consumptive material storehouse.

Further preferably, the first transmission shaft and the second transmission shaft are engaged by gears to transmit power of the driving device, so that the power transmission process is stable, the position is accurate, and the valve is opened and closed better.

Further preferably, both ends of first transmission shaft and the both ends of second transmission shaft all are equipped with the fixed pin, the fixed pin is used for fixing rotatory valve block drives rotatory valve block rotates, just the fixed pin with be equipped with pressure spring between the rotatory valve block.

This patent adopts the fixed pin right rotatory valve block is fixed, simple structure, and the installation and the dismantlement of being convenient for through increase pressure spring between fixed pin and rotatory valve block, will rotatory valve block sticiss with the sealing washer, forms better seal.

Further preferably, a fan is further disposed in the accommodating cavity, and the fan is mounted at the through hole of the housing. Through add the fan in casing through-hole department, the better mobility that has increased the air for gas is faster through the drier case, and can in time be outside the dehydrating unit with heating device exhaust moisture discharge.

Further preferably, the regenerable desiccant is activated alumina or the like. The active alumina is used as a commonly used renewable drying agent in an industrial circulating dehumidification method, and is characterized in that the active alumina can absorb moisture in air at normal temperature, and when the active alumina is in a saturated state, the active alumina is heated and can discharge the absorbed moisture to realize regeneration and recycling.

The utility model has the technical effects that:

this patent opens and closes the reproducible dehydrating unit who makes up into a simple easy operation through the linkage that utilizes regeneration drier and valve, through the air-blast mechanism, effectively realizes dry interaction with the humid air in the consumptive material storehouse, and in time discharges the external world with the absorptive moisture of drier case, accomplishes the dehumidification of true sense dampproofing, and not only has reduced the air relative humidity numerical value in the consumptive material storehouse. The dehumidification device that can regenerate in this patent structural design is simple, and control is convenient, through opening and closing of drive arrangement timing control valve block, realizes the dehumidification process automatically.

Drawings

The above features, technical features, advantages and modes of realisation of the present invention will be further described in the following detailed description of preferred embodiments thereof, which is to be read in connection with the accompanying drawings.

FIG. 1 is a schematic perspective view of a regenerable device dehumidifier of the present invention;

FIG. 2 is a schematic illustration of the connection of the first valve assembly and the second valve assembly of the regenerable dehumidification device of the present invention;

FIG. 3 is an exploded schematic view of the first and second valve components of the present invention;

FIG. 4 is a top view of a regenerable dehumidification device of the present invention;

FIG. 5 is a schematic diagram of a dehumidification assembly of a consumable bin of a 3D printer according to the present invention.

The reference numbers illustrate:

1. the housing, 10, hold the chamber, 11, first through-hole, 12, the second through-hole, 13, the third through-hole, 14, the fourth through-hole, 2, the air blower device, 3, heating device, 4, the desiccant box, 5, the valve module, 51, the first valve, 511, first fixed valve block, 513, first rotary valve block, 52, the second valve, 521, the second fixed valve block, 522, the sealing washer, 523, the second rotary valve block, 53, the third valve, 54, the fourth valve, 6, the first drive assembly, 60, the first driving piece, 61, the first driving gear, 62, the first driven gear, 63, first transmission shaft, 631, the hold-down spring, 632, the fixed pin, 7, the second drive assembly, 70, the second driving piece, 71, the second driving gear, 72, the second driven gear, 73, the second transmission shaft, 8, the fan, 9, the consumptive material storehouse.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will describe the specific embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the utility model, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.

For the sake of simplicity, only the parts related to the utility model are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items. In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present application, the terms "first," "second," and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

Example 1

Referring to the attached drawings 1 to 5 of the specification, the regenerable dehumidification device provided by the utility model comprises a housing 1, an air blowing mechanism 2, a drying agent box 3, a heating mechanism 4 and a valve assembly 5.

The housing 1 has a containing cavity 10, and a first through hole 11, a second through hole 12, a third through hole 13 and a fourth through hole 14 which are communicated with the containing cavity 10. The blowing mechanism 2 is installed in the accommodating cavity 10 and is used for driving the air in the accommodating cavity 10 to flow with the outside air alternately. The desiccant box 3 is installed in the accommodating cavity 10, and a renewable desiccant is filled in the desiccant box. The heating mechanism 4 is installed in the accommodating cavity 10 and used for heating the drying agent box 3. The valve assembly 5 includes a first valve 51 installed in the first through hole 11, a second valve 52 installed in the second through hole 12, a third valve 53 installed in the third through hole 13, and a fourth valve 54 installed in the fourth through hole 14.

In the dehumidification process, the first valve 51 and the third valve 53 are opened, the second valve 52 and the fourth valve 54 are closed, the blower mechanism 2 drives the external humid air to enter the accommodating cavity 10 from the first valve 51 and dry the air through the desiccant box 4, and the dried air is output and discharged from the third valve 53; during regeneration, the first valve 51 and the third valve 53 are closed, the second valve 52 and the fourth valve 54 are opened, the heating mechanism 3 heats the desiccant container 4, and the heated and discharged moisture is timely discharged through the second valve 52 and the fourth valve 54.

According to the pneumatic drying device, the first valve 51 and the third valve 53 are controlled to be opened and closed simultaneously, the second valve 52 and the fourth valve 54 are opened and closed simultaneously, when the first valve 51 and the third valve 53 are opened, the second valve 52 and the fourth valve 54 are closed, moist air in the consumable bin 9 is sucked from the first valve 51 through the blowing mechanism 2 and flows into the consumable bin 9 through the drying agent box 4, and dried gas flows into the consumable bin 9 from the third valve 53, so that the gas in the consumable bin 9 is dried. When the desiccant is saturated, the first valve 51 and the third valve 53 are closed, the second valve 52 and the fourth valve 54 are opened, and the heating device 3 is controlled to discharge the moisture absorbed by the desiccant through the second valve 52 and the fourth valve 54 under the blowing of the fan 8. This device has really reduced the air moisture content in the consumptive material storehouse 9, discharges moisture outside, has reached the dry purpose of gas in the consumptive material storehouse 9.

The first valve 51, the second valve 52, the third valve 53 and the fourth valve 54 of the valve assembly respectively comprise a fixed valve plate and a rotary valve plate. The fixed valve plate is provided with a first valve hole, and the rotary valve plate is provided with a second valve hole; the fixed valve plate is fixed on the shell, the rotary valve plate is rotatably installed on the fixed valve plate, the valve is opened when the first valve hole corresponds to the second valve hole, and the valve is closed when the first valve hole and the second valve hole are staggered. In this patent, through the valve opening rotation of rotary valve with the valve opening dislocation and the coincidence of fixed valve piece form closing and opening of valve, make required operating space little like this, equipment is small.

Optionally, the valve member can also be an electronic valve, and the effect that the linkage of the valve member is opened and closed simultaneously in this patent only needs to be achieved.

And a sealing ring 522 is arranged between the rotary valve plate and the fixed valve plate. The provision of the seal ring 522 can improve airtightness between the two.

Preferably, the material of the sealing ring 522 is rubber. Optionally, the material of the sealing ring 522 is a polymer material such as teflon.

The first valve 51 and the third valve 53 are disposed on a first side wall of the housing 1, and the second valve 52 and the fourth valve 54 are disposed on a second side wall of the housing 1, where the first side wall and the second side wall are respectively located on two opposite sides of the accommodating chamber 10.

A first transmission shaft 63 is arranged between the first valve 51 and the second valve 52, and two ends of the first transmission shaft 63 are respectively fixed on the first fixed valve plate 511 of the first valve 51 and the second fixed valve plate 521 of the second valve 52. A preset angle is staggered between the first rotary valve plate 513 of the first valve 51 and the second rotary valve plate 523 of the second valve 52, in the process of rotating the first transmission shaft 63, when the first valve 51 is opened, the second valve 52 is closed, and when the first valve 51 is closed, the second valve 52 is opened; a second transmission shaft 73 is arranged between the third valve 53 and the fourth valve 54, and two ends of the second transmission shaft 73 are respectively fixed to the third fixed valve plate of the third valve 53 and the fourth fixed valve plate of the fourth valve 54. The third rotary valve plate of the third valve 53 and the fourth rotary valve plate of the fourth valve 54 are staggered by a preset angle, in the process of rotating the second transmission shaft 73, the fourth valve 54 is closed when the third valve 53 is opened, and the fourth valve 54 is closed when the third valve 53 is opened.

The transmission shaft is additionally arranged between the rotary valves, so that the simultaneous linkage of the rotary valve plates is realized, the required driving devices are reduced, when the first valve 51 and the third valve 53 are opened simultaneously, the second valve 52 and the fourth valve 54 at the other end of the transmission shaft are closed, and the drying process is started; when the first valve 51 and the third valve 53 are closed, the second valve 52 and the fourth valve 54 are opened, the dehumidification and regeneration process is opened, no matter which working state is, an absolute closed space is formed, the consumable bin 9 is ensured to be in a condition isolated from the outside, and a better dehumidification effect is achieved.

The first driving assembly 6 includes a first driving member 60, a first driving gear 61 and a first driven gear 62, the first driving gear 61 is mounted on the output shaft of the first driving member 60, the first driven gear 62 is mounted on the first transmission shaft 63, and the first driving gear 61 is in gear engagement with the first driven gear 62. The second driving assembly 7 includes a second driving member 70, a second driving gear 71 and a second driven gear 72, the second driving gear 71 is mounted on the output shaft of the second driving member 70, the second driven gear 72 is mounted on the second transmission shaft 73, and the second driving gear 71 is engaged with the second driven gear 72.

In this patent, first driving piece 60 with second driving piece 70 adopts the steering wheel, drive mechanism adopts the gear combination to mesh mutually and carries out power transmission, rotates through first driving piece 60 and drives first driving gear rotates 61 to drive first driven gear and rotate 62, drive first transmission shaft initiative 63, thereby drive first rotatory valve block 513 with second rotatory valve block 523 realizes first valve 51 with opening and closing of second valve 52, the same reason, third valve 53 with fourth valve 54 open and close with first valve 51 with the theory of operation of second valve 52 is the same. Alternatively, the first driving member 60 may also be a dc speed-reducing motor, and the transmission mechanism may also be a belt and pulley combination transmission, but is not limited thereto, and only the above-mentioned action process is required.

Both ends of first transmission shaft 63 and the both ends of second transmission shaft 73 all are equipped with fixed pin 632, fixed pin 632 is used for fixing rotatory valve block drives rotatory valve block rotates, just fixed pin 632 with be equipped with pressure spring 631 between the rotatory valve block.

Alternatively, the fixing pin 632 may be replaced by other fixing members, such as a bolt and nut assembly, for fixing the transmission shaft and the rotary valve plate. The hold-down spring 631 can also be replaced by other hold-down members, so that the ground pressure between the rotary valve plate and the sealing ring is increased, and better ground tightness is ensured.

A fan 8 is further arranged in the accommodating cavity 10, and the fan 8 is mounted at the through hole of the shell 1. By adding the fan 8, moisture discharged from the heating device 3 is discharged from the third valve 53 and the fourth valve 54 in time during the desiccant regeneration cycle.

The renewable drying agent is activated alumina and the like. Because the activated alumina has adsorbability to moisture at normal temperature, after reaching a saturated state, the absorbed moisture can be discharged by heating, so that the regeneration effect is achieved, and the activated alumina can be recycled.

Alternatively, the regenerated drying agent can also be a regenerated recyclable drying agent such as silica gel.

Example 2

The utility model further provides a dehumidifying component of a consumable bin of a 3D printer, which comprises a consumable bin 9 and the reproducible dehumidifying device described in the embodiment 1. The consumable bin 9 is provided with an air inlet hole and an outlet hole; the renewable dehumidifying device is arranged on the consumable bin 9, and the first through hole 11 and the third through hole 13 on the first side wall of the renewable dehumidifying device respectively correspond to the air inlet hole and the air outlet hole on the consumable bin 9.

Through installing on the casing through-hole correspondence of dehumidification device that can regenerate on the inlet port and the venthole of consumptive material storehouse, through opening of first valve 51 and third valve 53, second valve 52 with closing of fourth valve 54, blower device 2 will humid air in the consumptive material storehouse 9 passes through the venthole and process drying device 4 is dry the back, and gas after the drying is followed the inlet port flows into consumptive material storehouse 9 reaches the dehumidification purpose. After the desiccant is saturated, the first valve 51 and the third valve 53 are closed, the second valve 52 and the fourth valve 54 are opened, the heating device 3 discharges moisture absorbed by the desiccant, and the moisture is discharged into the casing 1 through the second valve 52 and the fourth valve 54, so that the desiccant regeneration effect is achieved.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims

1. A regenerable dehumidification device, comprising:

the shell is provided with an accommodating cavity, a first through hole, a second through hole, a third through hole and a fourth through hole which are communicated with the accommodating cavity;

the air blowing mechanism is arranged in the accommodating cavity and is used for driving the air in the accommodating cavity to flow with the outside air in an interaction manner;

the drying agent box is arranged in the accommodating cavity and is internally provided with a renewable drying agent;

in the dehumidification process, the first valve and the third valve are opened, the second valve and the fourth valve are closed, the air blowing mechanism drives external humid air to enter the accommodating cavity from the first valve, the external humid air is dried by the drying agent box, and the dried air is discharged from the third valve;

in the regeneration process, the first valve and the third valve are closed, the second valve and the fourth valve are opened, the heating mechanism heats the drying agent box, and the heated and discharged water is timely discharged through the second valve and the fourth valve.

2. A regenerable dehumidification device as claimed in claim 1, wherein:

the first valve, the second valve, the third valve and the fourth valve of the valve assembly respectively comprise a fixed valve plate and a rotary valve plate;

the fixed valve plate is fixed on the shell, the rotary valve plate is rotatably installed on the fixed valve plate, the valve is opened when the first valve hole corresponds to the second valve hole, and the valve is closed when the first valve hole and the second valve hole are staggered.

3. A regenerable dehumidification device as claimed in claim 2, wherein:

and a sealing ring is arranged between the rotary valve plate and the fixed valve plate.

4. A regenerable dehumidification device as claimed in claim 2, wherein:

the first valve and the third valve are arranged on a first side wall of the shell, the second valve and the fourth valve are arranged on a second side wall of the shell, and the first side wall and the second side wall are respectively positioned at two opposite sides of the accommodating cavity;

a first transmission shaft is arranged between the first valve and the second valve, and two ends of the first transmission shaft are respectively fixed on a first fixed valve plate of the first valve and a second fixed valve plate of the second valve;

a preset angle is staggered between the first rotary valve plate of the first valve and the second rotary valve plate of the second valve, when the first transmission shaft rotates, the second valve is closed when the first valve is opened, and the second valve is opened when the first valve is closed;

a second transmission shaft is arranged between the third valve and the fourth valve, and two ends of the second transmission shaft are respectively fixed on a third fixed valve plate of the third valve and a fourth fixed valve plate of the fourth valve;

and a preset angle is staggered between a third rotary valve plate of the third valve and a fourth rotary valve plate of the fourth valve, in the rotating process of the second transmission shaft, the fourth valve is closed when the third valve is opened, and the fourth valve is opened when the third valve is closed.

5. A regenerable dehumidification device as defined in claim 4, wherein:

the first driving assembly is connected to the first transmission shaft and used for driving the first transmission shaft to rotate, and the second driving assembly is connected to the second transmission shaft and used for driving the second transmission shaft to rotate.

6. A regenerable dehumidification device as claimed in claim 5, wherein:

the first driving assembly comprises a first driving piece, a first driving gear and a first driven gear, the first driving gear is mounted on an output shaft of the first driving piece, the first driven gear is mounted on the first transmission shaft, and the first driving gear is meshed with the first driven gear;

the second driving assembly comprises a second driving piece, a second driving gear and a second driven gear, the second driving gear is mounted on an output shaft of the second driving piece, the second driven gear is mounted on the second transmission shaft, and the second driving gear is meshed with the second driven gear.

7. A regenerable dehumidification device as claimed in claim 4, wherein:

the two ends of the first transmission shaft and the two ends of the second transmission shaft are provided with fixing pins, the fixing pins are used for fixing the rotary valve plates and driving the rotary valve plates to rotate, and compression springs are arranged between the fixing pins and the rotary valve plates.

8. A regenerable dehumidification device as claimed in claim 1, wherein:

the accommodating cavity is also internally provided with a fan, and the fan is arranged at the through hole of the shell.

9. A regenerable dehumidification device as claimed in claim 1, wherein:

the renewable drying agent is activated alumina and the like.

10. A3D printer consumables storehouse dehumidification subassembly includes:

a consumable material bin; has an air inlet and an air outlet;

the regenerable dehumidification device of any one of claims 1 to 9, mounted on the consumable bin, wherein the first through hole and the third through hole on the first sidewall of the regenerable dehumidification device correspond to the air inlet hole and the air outlet hole on the consumable bin, respectively.