CN219467042U - Novel constant temperature device for photocuring 3D printer - Google Patents

Abstract

The utility model discloses a novel constant temperature device for a photo-curing 3D printer, which comprises: the air duct is arranged on the shell of the 3D printer, an air duct is arranged outside and inside the shell, an air heating component is arranged in the air duct, a control circuit board is electrically connected with the air heating component, an air outlet hole is formed in the shell, an air inlet is formed in the upper end of the air duct, an air guide shell with a hollow structure is connected to the lower end of the air duct, the inside of the air guide shell is communicated with the air duct, an inclined surface is arranged at the lower end of the air guide shell, a strip-shaped air outlet is formed in the inclined surface, and the length of the air outlet is not smaller than the width of the forming groove; by adopting the technical scheme, the length of the air outlet is controlled to be not smaller than the width of the forming groove, and the hot air output by the air outlet is in a wider strip-shaped structure, so that the hot air can be ensured to have a better contact effect with the printing resin in the forming groove, the printing resin can be ensured to be uniformly heated, and the printing effect of the printer in a low-temperature environment can be ensured not to be influenced.

Description

Novel constant temperature device for photocuring 3D printer

Technical Field

The utility model relates to the related technical field of printers, in particular to a novel constant temperature device for a photocuring 3D printer.

Background

The existing photocuring 3D printing resin has the disadvantages that the fluidity is reduced and the viscosity is increased under the condition that the temperature is lower than 20 ℃, the staggered layers, the bottom falling and incomplete curing are generated in the printing process, the printing speed is reduced, the success rate is also greatly reduced, and the photocuring 3D printing resin frequently occurs in winter in the north and in the south without heating equipment. The current printing problem in order to solve low temperature environment sets up the wind gap that corresponds with the shaping groove on the printer, and this wind gap passes through guide duct connection wind heating element, heats the air and passes through the leading-in shaping groove of wind gap with hot-blast realization to printing resin heating, guarantees printing resin's mobility, guarantees printing effect, but current leading-in hot-blast wind gap is single circular, and leading-in hot-blast is columnar to can not have better contact effect with printing resin, consequently also can not realize playing better heating effect to printing resin, influence printing quality.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a novel constant temperature device for a photo-curing 3D printer so as to solve the technical problems.

The technical scheme adopted for solving the technical problems is as follows:

according to one aspect of the present utility model, a novel thermostat device for a photo-curing 3D printer is designed, comprising: install on 3D printer casing and make the casing outside with inside dryer, set up the wind heating element in the dryer, wind heating element electricity even has control circuit board, be provided with the apopore on the casing, the dryer upper end is provided with the air intake, and the lower extreme is connected with hollow structure's wind guiding shell, wind guiding shell inside communicates with the dryer, and wind guiding shell lower extreme is provided with the inclined plane, be provided with long banding air outlet on the inclined plane, the air outlet is provided with the aviation baffle, the aviation baffle is used for guiding hot-blast to in the shaping inslot in the casing, the length of air outlet is not less than the width of shaping groove, be provided with in the shaping groove with control circuit board electricity is connected first temperature sensor.

By adopting the technical scheme, the air guide shell is arranged at the lower end of the air duct, the long-strip-shaped air outlet is arranged at the lower end of the air guide shell, and the length of the air outlet is controlled to be not smaller than the width of the forming groove, so that hot air output through the air outlet is in a wider strip-shaped structure, the hot air is ensured to have a better contact effect with printing resin in the forming groove, the printing resin is ensured to be uniformly heated, and the printing effect of the printer in a low-temperature environment is ensured not to be influenced.

In order to better solve the technical defects, the utility model also has a better technical scheme:

in some embodiments, a return-shaped heating device is arranged outside the forming groove and is in contact with the forming groove, the return-shaped heating device comprises a return-shaped shell, an electric heating unit and a heat conducting liquid, wherein a return-shaped cavity is arranged inside the return-shaped shell, the electric heating unit is arranged in the return-shaped cavity, and the electric heating unit is electrically connected with the control circuit board. From this, can also realize printing the resin and heating in the shaping inslot through returning form heating device for the printer has two kinds of different heating methods, can select arbitrary heating method to heat as required, also can select the both modes to heat simultaneously, satisfies different heating user demands.

In some embodiments, the wind heating assembly comprises a fan and an electric heating wire arranged at one side of the fan, the fan and the electric heating wire are electrically connected with the control circuit board, and a filter screen is arranged at one side of the fan facing the air inlet. Thereby, large particle impurities in the air can be obtained.

In some embodiments, the heat transfer fluid is water or brine or heat transfer oil.

In some embodiments, the air outlet is provided with a second temperature sensor electrically connected to the control circuit board. Therefore, the detection of the air outlet temperature can be realized, and the better temperature control effect is realized.

In some embodiments, the air outlet is in communication with the air inlet via an air duct.

Drawings

Fig. 1 is a schematic structural diagram of a novel thermostat device for a photo-curing 3D printer according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of a novel thermostat for a photo-curing 3D printer;

FIG. 3 is a schematic view of FIG. 2 from another perspective;

FIG. 4 is a schematic diagram of a cross-sectional structure of an upper air duct of a novel thermostat for a photo-curing 3D printer;

fig. 5 is a schematic structural diagram of a novel thermostat device for a photo-curing 3D printer according to another embodiment of the present utility model;

FIG. 6 is a schematic view of the internal structure of the heating device in FIG. 5;

reference numerals:

1. an air duct; 11. an air inlet; 2. a wind heating assembly; 21. a blower; 22. heating wires; 23. a filter screen; 4. a 3D printer; 41. a housing; 411. an air outlet hole; 5. an air guiding shell; 51. an inclined surface; 52. an air outlet; 6. a forming groove; 7. a loop-like heating device; 70. a loop-shaped cavity; 71. a loop-shaped housing; 72. an electric heating unit.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Example 1

Referring to fig. 1 to 4, the present utility model provides a novel thermostat device for a photo-curing 3D printer, comprising: the air duct 1 and the air heating assembly 2, the air duct 1 is installed on the casing 41 of the 3D printer 4, the lower end of the air duct 1 stretches into the casing 41, the air duct 1 is cylindrical and enables the outside and the inside of the casing 41 to be communicated, the air heating assembly 2 is used for heating air, the air heating assembly 2 is arranged in the air duct 1, the air heating assembly 2 is electrically connected with a control circuit board, the control circuit board is used for controlling the starting and stopping of the air heating assembly 2, an air outlet 411 is arranged on the casing 41, the air outlet 411 is arranged at the top or the side face of the casing 41, the right side face of the casing 41 is preferably arranged and is correspondingly arranged on the left side and the right side of a forming groove 6 in the casing 41, the control circuit board is electrically connected with a touch panel, the upper end of the air duct 1 is provided with an air inlet 11, the lower end of the air duct 1 is connected with an air duct shell 5 of a hollow structure, the inside of the air duct shell 5 is provided with an inclined face 51, the inclined face 51 is provided with a strip-shaped air outlet 52, the length of the air outlet 52 is not smaller than the width of the forming groove 6, namely the length of the air outlet 52 is equal to or greater than the width of the forming groove 6, the air outlet 52 is required to be provided with a temperature sensor circuit board, and the air duct 6 is required to be connected with the air duct 6, and the temperature sensor board is arranged in the forming groove 6.

The air heating component 2 comprises a fan 21 and an electric heating wire 22 arranged on one air outlet side of the fan 21, the fan 21 and the electric heating wire 22 are electrically connected with a control circuit board, a filter screen 23 is arranged on one side of the fan 21, which faces the air inlet 11, when the fan 21 is started, air can be driven to enter from the air inlet 11, pass through the filter screen 23, the fan 21 and the electric heating wire 22, be heated through the electric heating wire 22, then enter the air guide shell 5, and be output by an air outlet 52 into the forming groove 6, so that the printing resin in the forming groove 6 is heated, when the first sensor detects that the temperature of the printing resin in the forming groove 6 reaches the set temperature, the control circuit board controls the fan 21 and the electric heating wire 22 to stop, and when the first sensor detects that the temperature is lower than the set temperature, the control circuit board controls the air heating component 2 to start heating, and the printing resin is in the set constant temperature range.

In some embodiments, the air outlet 52 is provided with a second temperature sensor electrically connected to the control circuit board.

In some embodiments, the air outlet 411 communicates with the air inlet 11 through an air guide duct.

Example two

Referring to fig. 5 to 6, the present utility model provides a novel thermostat device for a photo-curing 3D printer, and the difference between the embodiment and the first embodiment is that: the molding tank 6 is externally provided with a return-shaped heating device 7 in contact therewith, the return-shaped heating device 7 comprises a return-shaped shell 71 internally provided with a return-shaped cavity 70, an electric heating unit 72 and a heat conducting liquid, wherein the electric heating unit 72 is arranged in the return-shaped cavity 70, and the electric heating unit 72 is electrically connected with a control circuit board.

Further, the electric heating unit 72 is an electric heating tube, and the heat transfer liquid is water, brine or heat transfer oil, and is selected as required.

The foregoing is merely illustrative of some embodiments of the utility model, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the inventive concept.

Claims (7)

1. Novel photocuring is constant temperature device for 3D printer, its characterized in that includes: install on 3D printer casing and make the casing outside with inside dryer, set up the wind heating element in the dryer, wind heating element electricity even has control circuit board, be provided with the apopore on the casing, the dryer upper end is provided with the air intake, and the lower extreme is connected with hollow structure's wind guiding shell, wind guiding shell inside communicates with the dryer, and wind guiding shell lower extreme is provided with the inclined plane, be provided with long banding air outlet on the inclined plane, the air outlet is provided with the aviation baffle, the aviation baffle is used for guiding hot-blast to in the shaping inslot in the casing, the length of air outlet is not less than the width of shaping groove, be provided with in the shaping groove with control circuit board electricity is connected first temperature sensor.

2. The novel thermostat for a photo-curing 3D printer according to claim 1, wherein a return heating device contacting with the molding groove is arranged outside the molding groove, the return heating device comprises a return shell, an electric heating unit and a heat conducting liquid, wherein a return cavity is arranged inside the return shell, the electric heating unit and the heat conducting liquid are arranged in the return cavity, and the electric heating unit is electrically connected with the control circuit board.

3. The novel thermostat for a photo-curing 3D printer according to claim 1 or 2, wherein the air heating assembly comprises a fan and an electric heating wire arranged at one side of the fan, the fan and the electric heating wire are electrically connected with the control circuit board, and a filter screen is arranged at one side of the fan facing the air inlet.

4. The novel thermostat for a photo-curing 3D printer according to claim 2, wherein the electric heating unit is an electric heating tube.

5. The novel thermostat for a photo-curing 3D printer according to claim 2, wherein the heat-conducting liquid is water, brine or heat-conducting oil.

6. The novel thermostat for a photo-curing 3D printer according to claim 1, wherein the air outlet is provided with a second temperature sensor electrically connected with the control circuit board.

7. The novel thermostat for a photo-curing 3D printer according to claim 2, wherein the air outlet is communicated with the air inlet through an air guide pipe.