CN210161600U - A3D printer that is used for silo heat preservation system that 3D printed and has it - Google Patents

Abstract

The utility model discloses a silo heat preservation system and 3D printer that has it for 3D prints, silo heat preservation system include the cell body, first heating device and second heating device, are formed with the silo in the cell body, and first heating device and second heating device are used for heating the printing feed liquid in the silo, and first heating device and second heating device set up on two cell walls that the cell body is relative, and at least one of first heating device and second heating device is infrared heating device. According to the utility model discloses a silo heat preservation system can guarantee that the printing feed liquid in the silo is heated evenly to the printing feed liquid in the silo all has better mobility in each position, thereby has accelerated the shaping speed, guarantees that the 3D printer that is equipped with silo heat preservation system has good solidification shaping effect.

Description

A3D printer that is used for silo heat preservation system that 3D printed and has it

Technical Field

The utility model relates to a 3D prints the field, particularly, relates to a 3D printer that is used for silo heat preservation system that 3D printed and has it.

Background

In the related technology, in 3D printing, printing material liquid such as photosensitive resin liquid is added into a material groove of a 3D printer, and the printing material liquid in the material groove is irradiated by ultraviolet light, so that the printing material liquid causes polymerization reaction under the irradiation of the ultraviolet light, and solidification forming is realized. Since the viscosity of the printing material liquid such as photosensitive resin liquid decreases with the increase of temperature, and in order to improve the molding effect, the printing material liquid needs to have low viscosity and good fluidity, a heating device for heating the printing material liquid needs to be arranged in the trough to ensure that the printing material liquid is in a low viscosity state.

Current heating device generally heats for the bottom, and heating device generally is located the bottom of silo promptly, causes the printing feed liquid in the silo easily to be greater than the temperature at the silo top at the temperature of silo bottom, and then the mobility of printing feed liquid in the silo bottom is greater than the mobility at the silo top, causes printing feed liquid mobility uneven, leads to printing feed liquid shaping speed slow, has influenced the final solidification shaping effect of printing feed liquid.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. For this reason, the utility model discloses a first aspect provides a silo heat preservation system that can improve the solidification shaping effect that 3D printed to a certain extent at least.

The utility model discloses a second aspect provides a 3D printer with above-mentioned silo heat preservation system.

According to the utility model discloses first aspect silo heat preservation system, including cell body, first heating device and second heating device, be formed with the silo in the cell body, first heating device with second heating device is used for right print the feed liquid in the silo heats, first heating device with second heating device sets up on two cell walls that the cell body is relative, just first heating device with at least one of second heating device is infrared heating device.

According to the utility model discloses the first aspect silo heat preservation system, can guarantee that the printing feed liquid in the silo is heated evenly to the printing feed liquid in the silo all has better mobility in each position, thereby has accelerated the shaping speed, guarantees that the 3D printer that is equipped with silo heat preservation system has good solidification shaping effect.

According to silo heat preservation system, the diapire of cell body is transparent in order to form ultraviolet ray transmission portion, second heating device is for laying can throw ultraviolet heating film in the ultraviolet ray projection portion.

Further, silo heat preservation system still includes temperature sensor and temperature controller, temperature sensor with temperature controller connects, temperature controller with first heating device and/or the second heating device is connected, temperature sensor is used for measuring in the silo print the temperature information of feed liquid, temperature controller is used for the basis temperature information control first heating device and/or the work of second heating device is in order to guarantee print the feed liquid and be located predetermined temperature range.

Furthermore, the trough body comprises a base and a top cover, the trough with an opening towards the top cover is formed in the base, and the top cover is suitable for being buckled with the base to seal the trough.

Furthermore, the first heating device is arranged on one surface of the top cover facing the trough.

Furthermore, the base is provided with a first heat insulation layer surrounding the trough, a second heat insulation layer is arranged below the trough and is free from the ultraviolet transmission part, and the top cover is provided with a third heat insulation layer.

Further, the top cap is equipped with the connecting rod, the connecting rod is worn to establish to in the silo, the connecting rod has hollow installation cavity, is equipped with temperature sensor is located in the installation cavity, be connected with the wiring between temperature sensor and the temperature controller, the wiring is suitable for wearing out the connecting rod and with being located outside the cell body the temperature controller is connected.

Optionally, the ultraviolet ray transmitting part is double-layer insulating glass.

Optionally, the heating film is a nano-silver heating film.

According to the utility model discloses the second aspect the 3D printer be equipped with like the utility model discloses the first aspect silo heat preservation system.

According to the utility model discloses the second aspect 3D printer, 3D printer have good solidification shaping effect.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a trough heat preservation system according to an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of a tank body according to an embodiment of the present invention.

Reference numerals:

silo heat preservation system 100, cell body 1, base 11, top cap 12, silo 13, ultraviolet transmission portion 14, first insulating layer 151, second insulating layer 152, third insulating layer 153, connecting rod 16, installation cavity 161, first heating device 21, second heating device 22, temperature sensor 3, temperature controller 4, wiring 5, print feed liquid 6.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The invention is described below with reference to specific embodiments in conjunction with the accompanying drawings.

First, a trough insulation system 100 according to an embodiment of the present invention will be described with reference to fig. 1 to 2.

As shown in fig. 1-2, the utility model discloses silo heat preservation system 100 of embodiment can include cell body 1, first heating device 21 and second heating device 22, is formed with silo 13 in the cell body 1, and print feed liquid 6 such as photosensitive resin liquid is placed in silo 13 to through means solidification such as ultraviolet ray illumination in silo 13, so as to become required 3D and print the product.

As shown in fig. 1-2, the first heating device 21 and the second heating device 22 are used for heating the printing material liquid 6 in the trough 13, and the first heating device 21 and the second heating device 22 are disposed on two opposite trough walls of the trough body 1, so that the printing material liquid 6 can form heat convection between the first heating device 21 and the second heating device 22 which are disposed oppositely, so that each part of the printing material liquid 6 can be heated, and the printing material liquid 6 is guaranteed to have good fluidity at each position, thereby accelerating the forming speed of the printing material liquid 6, and ensuring that the 3D printer provided with the trough heat preservation system 100 has good curing and forming effects.

At least one of the first heating device 21 and the second heating device 22 is an infrared heating device. In some embodiments, the first heating device 21 and the second heating device 22 are both infrared heating devices. In other embodiments, as shown in fig. 2, one of the first heating device 21 and the second heating device 22 is an infrared heating device. Infrared heating device can have darker heating depth to the depths heating of the printing feed liquid 6 of keeping away from infrared heating device makes printing feed liquid 6 be heated more evenly, guarantees that printing feed liquid 6 all has better mobility in each position, thereby has accelerated the shaping speed of printing feed liquid 6, guarantees that the 3D printer that is equipped with silo heat preservation system 100 has good solidification shaping effect.

In some optional embodiments of the utility model, as shown in fig. 2, the bottom wall of the tank body 1 is transparent to form the ultraviolet ray transmission part 14, and the ultraviolet ray of the 3D printer can be injected into the tank 13 from the ultraviolet ray transmission part 14 to irradiate the printing material liquid 6 in the tank 13, so that the printing material liquid 6 is cured and molded. The second heating device 22 is a heating film that is laid on the ultraviolet projecting part 14 and can project ultraviolet rays. Therefore, the heating film can heat the printing material liquid 6 in the material groove 13 and can also project ultraviolet rays, and the ultraviolet rays penetrating through the ultraviolet ray transmission part 14 are guaranteed to continuously penetrate through the heating film to enter the material groove 13, so that the printing material liquid 6 in the material groove 13 is solidified and molded.

Optionally, the heating film is a nano-silver heating film. Therefore, the heating film has high heating efficiency, balanced heating and low energy consumption, and can ensure that ultraviolet rays smoothly pass through the heating film.

Specifically, as shown in fig. 1 and 2, the trough thermal insulation system 100 further includes a temperature sensor 3 and a temperature controller 4, the temperature sensor 3 is connected to the temperature controller 4, the temperature controller 4 is connected to the first heating device 21 and/or the second heating device 22, the temperature sensor 3 is configured to measure temperature information of the printing material liquid 6 in the trough 13, and the temperature controller 4 is configured to control the first heating device 21 and/or the second heating device 22 to operate according to the temperature information, so as to ensure that the printing material liquid 6 is within a predetermined temperature range. The predetermined temperature range is a temperature range in which the printing liquid 6 can smoothly flow to achieve an ideal forming effect, and for example, when the printing liquid 6 is a photosensitive resin, the predetermined temperature range is 40 ℃ to 55 ℃.

Therefore, the temperature sensor 3, the temperature controller 4, the first heating device 21 and/or the second heating device 22 can form a control closed loop, the temperature sensor 3 transmits the detected temperature information of the printing material liquid 6 in the material tank 13 to the temperature controller 4 in real time, and when the temperature controller 4 monitors that the printing material liquid 6 in the material tank 13 sent by the temperature sensor 3 is lower than the minimum value of the preset temperature range, the first heating device 21 and/or the second heating device 22 are controlled to heat, so that the printing material liquid 6 in the material tank 13 has good flowability. When the temperature controller 4 monitors that the printing liquid 6 in the trough 13 sent by the temperature sensor 3 is higher than the minimum value of the preset temperature range, the first heating device 21 and/or the second heating device 22 are controlled to stop heating, so that energy is saved.

For example, in the printing process of the 3D printer, after the temperature controller 4 controls the first heating device 21 and/or the second heating device 22 to heat the printing material liquid 6 in the material tank 13 to a predetermined temperature range, the 3D printing is started to start rapid forming, in the forming process, the temperature controller 4 is in a heat preservation state, and if the temperature fluctuation of the printing material liquid 6 in the material tank 13 in the forming process exceeds 0.1 ℃, the temperature controller 4 increases the heating power of the first heating device 21 and/or the second heating device 22, so that the printing material liquid 6 in the material tank 13 is stabilized to a set temperature. After 3D prints and finishes, get a and wash the microscope carrier in the silo 13, put into the silo 13 again after the microscope carrier washs, the silo 13 temperature can descend, and temperature controller 4 can automatic start first heating device 21 and/or second heating device 22 heating again, makes the temperature reach the settlement temperature in the silo 13 to 3D prints again.

Specifically, as shown in fig. 1-2, the tank body 1 includes a base 11 and a top cover 12, a trough 13 opened to the top cover 12 is formed in the base 11, and when the tank body 1 needs to be filled with the printing liquid 6 or a printed material is taken out, the top cover 12 can be taken down from the base 11, so that the operation can be conveniently realized. When 3D printed the in-process, top cap 12 and 11 locks of base are in order to seal silo 13, have reduced printing material liquid 6 and external heat exchange in silo 13, have also reduced volatilizing of printing material liquid 6, have improved the fashioned operational environment of printing material liquid 6.

More specifically, as shown in fig. 2, a first heating device 21 is provided on a surface of the top cover 12 facing the trough 13. Therefore, the first heating device 21 is easy to arrange, and when the top cover 12 is fastened to the base 11, the first heating device 21 faces the inner side of the trough 13, so that the printing material liquid 6 in the trough 13 can be better heated.

More specifically, as shown in fig. 1-2, the top cover 12 is provided with a connecting rod 16, the connecting rod 16 penetrates into the trough 13, the connecting rod 16 has a hollow mounting cavity 161, the mounting cavity 161 can be communicated with the trough 13, and the temperature sensor 3 is located in the mounting cavity 161, that is, the connecting rod 16 provides a mounting space for the temperature sensor 3. After the top cover 12 is fastened on the base 11, the part of the connecting rod 16 can be immersed in the printing liquid 6 in the trough 13, and the printing liquid 6 enters the mounting cavity 161 and contacts with the temperature sensor 3, so that the temperature of the printing liquid 6 in the trough 13 can be measured by the temperature sensor 3.

As shown in fig. 1, a connection wire 5 is connected between the temperature sensor 3 and the temperature controller 4, and the connection wire 5 is adapted to penetrate through the connecting rod 16 and is connected with the temperature controller 4 located outside the tank body 1. The temperature controller 4 can also be connected to the first heating device 21 or/and the second heating device 22 via a further connection 5 in order to control the first heating device 21 or/and the second heating device 22.

More specifically, as shown in fig. 2, the base 11 is provided with a first thermal insulation layer 151 disposed around the trough 13, the base 11 is provided with a second thermal insulation layer 152 below the trough 13, and the second thermal insulation layer 152 avoids the ultraviolet ray transmission part 14, so as to ensure that the ultraviolet ray can smoothly pass through the ultraviolet ray transmission part 14 to cure and mold the printing material liquid 6. The top cover 12 is provided with a third insulating layer 153. From this, first insulating layer 151 can carry out the thermal insulation to the circumference of printing feed liquid 6 in silo 13 with the external world, second insulating layer 152 can carry out the thermal insulation to the bottom of printing feed liquid 6 in silo 13 with the external world, third insulating layer 153 can carry out the thermal insulation to the top of printing feed liquid 6 in silo 13 with the external world, thereby fully guarantee printing feed liquid 6 and the external thermal insulation nature in silo 13, thereby guarantee that printing feed liquid 6 has higher temperature and has better mobility.

Alternatively, the ultraviolet transmitting part 14 is a double-layer insulating glass, that is, the ultraviolet transmitting part 14 may be two pieces of insulating glass facing and spaced apart from each other. Therefore, the ultraviolet ray transmission part 14 can thermally isolate the bottom of the printing material liquid 6 in the trough 13 from the outside, and the printing material liquid 6 in the trough 13 is guaranteed to have higher temperature and better fluidity.

The following describes the 3D printer of the embodiment of the present invention.

The utility model discloses 3D printer is equipped with has the utility model discloses the silo heat preservation system 100 of any kind of above-mentioned embodiment.

According to the utility model discloses 3D printer, through setting up silo heat preservation system 100, the 3D printer has good solidification shaping effect.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A silo heat preservation system for 3D prints, its characterized in that includes: the printing device comprises a groove body, a first heating device and a second heating device, wherein a trough is formed in the groove body, the first heating device and the second heating device are used for heating printing material liquid in the trough, the first heating device and the second heating device are arranged on two opposite groove walls of the groove body, and at least one of the first heating device and the second heating device is an infrared heating device.

2. The trough heat preservation system for 3D printing as claimed in claim 1, wherein the bottom wall of the trough body is transparent to form an ultraviolet ray transmission part, and the second heating device is a heating film capable of projecting ultraviolet rays and laid on the ultraviolet ray transmission part.

3. The trough thermal insulation system for 3D printing of claim 2, further comprising: temperature sensor and temperature controller, temperature sensor with temperature controller connects, temperature controller with first heating device and/or second heating device connects, temperature sensor is used for measuring in the silo the temperature information of printing feed liquid, temperature controller is used for the basis temperature information control first heating device and/or second heating device work, in order to guarantee the printing feed liquid is located predetermined temperature range.

4. The trough thermal insulation system for 3D printing according to claim 3, wherein the trough body comprises: the material tank is formed in the base and is opened towards the top cover, and the top cover is suitable for being buckled with the base to seal the material tank.

5. The trough thermal insulation system for 3D printing according to claim 4, wherein a side of the top cover facing the trough is provided with the first heating device.

6. The trough thermal insulation system for 3D printing according to claim 4, wherein the base is provided with a first thermal insulation layer arranged around the trough, the base is provided with a second thermal insulation layer below the trough, the second thermal insulation layer avoids the ultraviolet transmission part, and the top cover is provided with a third thermal insulation layer.

7. The trough heat preservation system for 3D printing according to claim 4, characterized in that the top cover is provided with a connecting rod, the connecting rod penetrates into the trough, the connecting rod is provided with a hollow installation cavity, the temperature sensor is arranged in the installation cavity, a connection wire is connected between the temperature sensor and the temperature controller, and the connection wire is suitable for penetrating through the connecting rod and being connected with the temperature controller outside the trough.

8. The trough thermal insulation system for 3D printing of claim 2, wherein the ultraviolet transmission part is a double layer of insulating glass.

9. The trough thermal insulation system for 3D printing of claim 2, wherein the heating film is a nano-silver heating film.

10. A 3D printer comprising a channel incubation system for 3D printing according to any one of claims 1-9.

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