Heating device applied to 3D printing consumable drying box

Abstract

The utility model relates to the technical field of 3D printing, in particular to a heating device applied to a 3D printing consumable drying box, which comprises a heating device shell, a heater is mounted in the heating device shell, a groove-shaped filter screen is mounted on one side of the heating device shell, and the other side of the heating device shell is connected with a fan device through a telescopic pipe. The heater and the fan device are started, air in the drying box enters the heating device shell from the grooved filter screen, the air is heated by the heater, the heated air passes through the telescopic pipe and then is blown out through the fan device, the hot air rapidly rises in the drying box, the temperature in the drying box is adjusted, meanwhile, water vapor on consumables is evaporated, and the consumables are dried. Due to the fact that the telescopic pipe can stretch out, draw back and deform, the direction of the draught fan device can be changed, the blowing direction of hot air is further changed, blowing can be carried out on the consumables with high humidity, and the removal efficiency of the moisture on the consumables is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printing, and in particular to a heating device applied to a drying box for 3D printing consumables. Background Art

[0002] The heating device of the existing 3D printing consumables drying box has a fixed hot air output direction, which relies on the rising of hot air to increase the temperature in the drying box, thereby evaporating the moisture on the consumables. For consumables with high humidity, the moisture evaporates slowly;

[0003] For example, the patent application number is CN202010388227.3, and the patent name is a 3D printing consumables drying box, including a main body, a base liner and an installation cavity, two arc-shaped placement cavities are arranged on the base liner at intervals, and the two placement cavities are each provided with a hot air vent, and the placement cavity is provided with at least one placement position and a group of roller assemblies; a heater with two air outlets and one air inlet is provided in the preparation of the installation cavity, and a reflux outlet is provided on the base liner, and the hot air generated by the heater passes through the hot air vent, the placement cavity, the reflux outlet and the air inlet in turn; a placement groove is provided at the bottom of the placement cavity, and a desiccant is provided in the placement groove, but the disadvantage of this technical solution is that the hot air through hole is fixed, and the direction of the hot air cannot be changed, and high-humidity consumables cannot be dehumidified in a targeted manner. Utility Model Content

[0004] The purpose of the utility model is to provide a heating device applied to a drying box for 3D printing consumables to solve the problems in the prior art. The specific technical solution is as follows:

[0005] A heating device used in a drying box for 3D printing consumables comprises a heating device shell, a heater is installed in the heating device shell, a groove filter is installed on one side of the heating device shell, and a fan device is connected to the other side of the heating device shell through a telescopic tube.

[0006] Furthermore, a rubber baffle is provided on the edge of the grooved filter.

[0007] Furthermore, a grooved filter is installed on one side of the heating device shell, and a fan device is connected to the other side of the heating device shell through a telescopic tube.

[0008] Furthermore, fixing nails are fixed at both ends of the heating device shell, and a pressure plate and a connecting pipe are slid on the fixing nails. The pressure plate and the connecting pipe are rotatably connected. The connecting pipe is fixedly connected to one end of the spring, and the other end of the spring is fixedly connected to the fixing nail.

[0009] Furthermore, a cover plate is installed on the upper end of the heating device shell, and two limit plates are slidably connected inside the cover plate. One end of the two limit plates is respectively fixed to the two ends of the spring, and the other ends of the two limit plates are respectively slidably connected to the heating device shell.

[0010] Furthermore, the fan device includes a fan outer frame, the fan outer frame is fixedly connected to the telescopic tube, a motor is fixed inside the fan outer frame, and an output end of the motor is connected to fan one.

[0011] Furthermore, the fan 1 is rotationally connected to the fan 2 via a belt, and both the fan 1 and the fan 2 rotate in the fan outer frame.

[0012] Furthermore, the fan outer frame is fixedly connected to the connecting rod 1, and the connecting rod 1 is rotatably connected to the outer shell of the heating device.

[0013] Furthermore, ratchets are fixed at both ends of the connecting rod one, and the two ratchets are respectively engaged with two pawls for transmission. The two pawls are fixedly connected through the connecting rod two, and the pawls are fixedly connected to the handle.

[0014] Furthermore, the second connecting rod is fixedly connected to one end of the torsion spring, and the other end of the torsion spring is fixedly connected to the housing of the heating device.

[0015] The advantages of the utility model are:

[0016] Start the heater and the fan device, and the air in the drying box enters the outer shell of the heating device through the slotted filter. The air is heated by the heater, and the heated air passes through the telescopic tube and is blown out through the fan device. The hot air rises rapidly in the drying box, adjusting the temperature in the drying box, and at the same time evaporates the water vapor on the consumables to achieve the purpose of removing moisture. In addition, the slotted filter can effectively prevent dust from entering the outer shell of the heating device. After the gas circulates through the heating device, the dust in the drying box is effectively retained on the slotted filter. The slotted filter can be removed for cleaning; because the telescopic tube can be extended and deformed, the fan device can change its direction, thereby changing the direction of the hot air blowing, and blowing can be performed on consumables with higher humidity, thereby accelerating the efficiency of removing moisture from the consumables. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The structure of the heating device of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 2 The structure of the heating device of the utility model is shown in FIG. Figure 2 ;

[0019] Figure 3 The structure of the heating device of the utility model is shown in FIG. Figure 3 ;

[0020] Figure 4 The structure of the heating device of the utility model is shown in FIG. Figure 4 ;

[0021] Figure 5 The structure of the heating device of the utility model is shown in FIG. Figure 5 ;

[0022] Figure 6 The structure of the heating device of the utility model is shown in FIG. Figure 6 ;

[0023] Figure 7 for Figure 6 A partial enlarged view of the middle A;

[0024] Description of the markings in the figure:

[0025] 201. Heating device housing; 202. Heater; 203. Grooved filter; 204. Rubber baffle; 205. Fixing nail; 206. Pressing plate; 207. Connecting pipe; 208. Spring 1; 209. Cover plate; 210. Limiting plate; 211. Spring 2; 212. Telescopic pipe; 213. Fan frame; 214. Motor; 215. Fan 1; 216. Belt; 217. Fan 2; 218. Connecting rod 1; 219. Ratchet; 220. Handle; 221. Ratchet; 222. Connecting rod 2; 223. Torsion spring. DETAILED DESCRIPTION

[0026] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0028] Embodiment 1

[0029] like Figure 1-7 As shown, a heating device applied to a drying box for 3D printing consumables comprises a heating device housing 201, a heater 202 is installed in the heating device housing 201, a grooved filter screen 203 is installed on one side of the heating device housing 201, and a fan device is connected to the other side of the heating device housing 201 through a telescopic tube 212;

[0030] The working principle of the above technical solution is as follows: the heater 202 and the fan device are started, the air in the drying box enters the heating device housing 201 through the slotted filter 203, the air is heated by the heater 202, the heated air passes through the telescopic tube 212, and then blown out through the fan device, the hot air rises rapidly in the drying box, the temperature in the drying box is adjusted, and the water vapor on the consumables is evaporated at the same time, so as to achieve the purpose of removing moisture, in addition, the slotted filter 203 can effectively prevent dust from entering the heating device housing 201, and the gas effectively leaves the dust in the drying box on the slotted filter 203 after circulating through the heating device, and the slotted filter 203 can be removed for cleaning;

[0031] Since the telescopic tube 212 can be extended and deformed, the fan device can change its direction, thereby changing the direction in which the hot air is blown out, and can blow air to consumables with high humidity to speed up the removal of moisture from the consumables;

[0032] The heating device housing 201 protects the heater 202 to prevent the heater 202 from being damaged when the material tray is installed in the drying box, and to prevent consumables from being spilled onto the heater 202 and being directly burned during use.

[0033] Embodiment 2

[0034] like Figure 1-7 As shown, a rubber baffle 204 is provided at the edge of the groove filter 203;

[0035] The working principle of the above technical solution is as follows: when a large amount of wind enters the heating device housing 201 from the grooved filter 203, the rubber baffle 204 is blown close to the edge of the grooved filter 203, thereby increasing the air inlet area of ​​the grooved filter 203. When the heating device stops working, the rubber baffle 204 returns to its original state, and the rubber baffle 204 can effectively prevent dust from falling back into the drying box.

[0036] Embodiment 3

[0037] like Figure 1-7 As shown, both ends of the heating device housing 201 are fixed with fixing nails 205, and a pressing plate 206 and a connecting pipe 207 are slidably mounted on the fixing nails 205. The pressing plate 206 and the connecting pipe 207 are rotatably connected, and the connecting pipe 207 is fixedly connected to one end of a spring 208, and the other end of the spring 208 is fixedly connected to the fixing nail 205;

[0038] The working principle of the above technical solution is as follows: the connecting tube 207 is pulled upward to compress the spring 208, the pressure plate 206 is rotated, and the front end of the pressure plate 206 is separated from the slotted filter 203, and the slotted filter 203 can be removed from the heating device housing 201 for cleaning, and the cleaned slotted filter 203 is reinstalled on the heating device housing 201, and the connecting tube 207 is pulled upward to compress the spring 208, and the pressure plate 206 is rotated to press the front end of the pressure plate 206 on the slotted filter 203, and the connecting tube 207 is released. The spring 208 restores the elastic force, drives the connecting tube 207 to be pressed inward, and drives the pressure plate 206 to be pressed tightly against the edge of the slotted filter 203 to prevent the slotted filter 203 from automatically falling off. The device is convenient for installing and removing the slotted filter 203.

[0039] Embodiment 4

[0040] like Figure 1-7 As shown, a cover plate 209 is installed on the upper end of the heating device housing 201, and two limit plates 210 are slidably connected inside the cover plate 209, one end of the two limit plates 210 is respectively fixed to the two ends of the spring 211, and the other ends of the two limit plates 210 are respectively slidably connected to the heating device housing 201;

[0041] The working principle of the above technical solution is: clamp the upper ends of the two limit plates 210 and press them toward the middle, driving the two limit plates 210 to slide toward the middle, driving the spring 211 to be compressed, and the ends of the two limit plates 210 are separated from the heating device housing 201, and then the cover plate 209 can be removed by pulling up, which is convenient for checking the inside of the heating device housing 201 and facilitating the maintenance of the heater 202.

[0042] Embodiment 5

[0043] like Figure 1-7 As shown, the fan device includes a fan outer frame 213, the fan outer frame 213 is fixedly connected to the telescopic tube 212, a motor 214 is fixed inside the fan outer frame 213, the output end of the motor 214 is connected to the fan 1 215, the fan 1 215 is rotatably connected to the fan 2 217 through a belt 216, and the fan 1 215 and the fan 2 217 are both rotated inside the fan outer frame 213;

[0044] The working principle of the above technical solution is as follows: when it is necessary to heat the inside of the drying box, the motor 214 and the heater 202 are started at the same time, the fan 1 215 rotates, driving the belt 216 to rotate, driving the fan 217 to rotate, the fan 1 215 and the fan 2 217 rotate at the same time, driving the air outside the heating device housing 201 to enter the heating device housing 201 through the groove filter 203, the heater 202 heats the air passing above it, the heated air enters the fan outer frame 213 from the telescopic tube 212, and is blown out through the fan 1 215 and the fan 2 217, the hot air enters the drying box, increases the temperature inside the drying box, and takes away the moisture on the consumables at the same time;

[0045] When the temperature inside the drying box is too high and needs to be cooled, only the motor 214 is started, the heater 202 is not started, the fan 1 215 and the fan 2 217 are rotated, the drying box door is opened, and the hot air in the drying box is quickly blown out.

[0046] Embodiment 6

[0047] like Figure 1-7 As shown, the fan outer frame 213 is fixedly connected to the connecting rod 218, and the connecting rod 218 is rotatably connected to the heating device housing 201;

[0048] Ratchets 219 are fixed at both ends of the connecting rod 1 218. The two ratchets 219 are respectively meshed with two pawls 221 for transmission. The two pawls 221 are fixedly connected through the connecting rod 222. The pawls 221 are fixedly connected to the handle 220.

[0049] The second connecting rod 222 is fixedly connected to one end of the torsion spring 223, and the other end of the torsion spring 223 is fixedly connected to the heating device housing 201;

[0050] The working principle of the above technical solution is: the fan frame 213 is rotated, the heating device housing 201 and the fan frame 213 can be rotated through the connecting rod 218, the telescopic tube 212 is bent, and the blowing direction is changed, the ratchet 219 rotates with the connecting rod 218, the pawl 221 prevents the ratchet 219 from reversing, and thus prevents the connecting rod 218 from reversing, preventing the fan frame 213 from automatically sagging after being lifted up, and when the fan frame 213 needs to be restored to its original position, the handle 220 is turned to drive the pawl 221 to rotate The pawl 221 is separated from the ratchet 219. After the ratchet 219 is not limited by the pawl 221, the fan outer frame 213 drives the fan outer frame 213 to sag and return to its original position under the action of its own gravity. After the pawl 221 rotates, it drives the connecting rod 222 to rotate and drives the torsion spring 223 to deform. The handle 220 is released, and the connecting rod 222 is driven to rotate under the action of the torsion spring 223 to restore the deformation, and the pawl 221 is driven to fit the ratchet 219 again. The device can change the direction of the hot air blowing, and can be used to blow air for consumables with high humidity.

[0051] Embodiment 7

[0052] like Figure 1-7 As shown, the heating device is installed in the drying box, and a controller and a thermometer and hygrometer are also installed in the drying box. The heating device is electrically connected to the controller, and the controller is electrically connected to the thermometer and hygrometer;

[0053] The working principle of the above technical solution is as follows: the thermometer and hygrometer can detect the temperature inside the drying box shell and transmit the temperature data to the controller. The controller controls the heating device to start and heat the consumables in the drying box shell. When the temperature detected by the thermometer and hygrometer received by the controller is lower than the preset value, the controller controls the heating device to increase the heating temperature. When the temperature detected by the thermometer and hygrometer received by the controller reaches or exceeds the preset value, the controller controls the heating device to reduce or stop heating. The heating temperature can be adjusted according to the requirements of the consumables to ensure that the consumables reach a suitable temperature in the drying box to eliminate moisture.

[0054] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A heating device used in a drying box for 3D printing consumables, characterized in that: The heating device comprises a heating device housing (201), a heater (202) is installed in the heating device housing (201), a grooved filter (203) is installed on one side of the heating device housing (201), and a fan device is connected to the other side of the heating device housing (201) via a telescopic tube (212).

2. A heating device for a 3D printing consumables drying box according to claim 1, characterized in that: A rubber baffle (204) is provided at the edge of the grooved filter screen (203).

3. A heating device for a 3D printing consumables drying box according to claim 2, characterized in that: Both ends of the heating device housing (201) are fixed with fixing nails (205), a pressing plate (206) and a connecting pipe (207) are slidably mounted on the fixing nail (205), the pressing plate (206) and the connecting pipe (207) are rotatably connected, the connecting pipe (207) is fixedly connected to one end of a spring (208), and the other end of the spring (208) is fixedly connected to the fixing nail (205).

4. A heating device for a 3D printing consumables drying box according to claim 3, characterized in that: A cover plate (209) is installed at the upper end of the heating device housing (201), and two limit plates (210) are slidably connected inside the cover plate (209), one end of the two limit plates (210) is respectively fixed to the two ends of spring 2 (211), and the other ends of the two limit plates (210) are respectively slidably connected to the heating device housing (201).

5. The heating device for a 3D printing consumables drying box according to claim 4, characterized in that: The fan device comprises a fan outer frame (213), the fan outer frame (213) is fixedly connected to the telescopic tube (212), a motor (214) is fixed inside the fan outer frame (213), and an output end of the motor (214) is connected to a fan 1 (215).

6. The heating device for a 3D printing consumables drying box according to claim 5, characterized in that: The fan 1 (215) is rotationally connected to the fan 2 (217) via a belt (216), and both the fan 1 (215) and the fan 2 (217) rotate within the fan outer frame (213).

7. The heating device for a 3D printing consumables drying box according to claim 6, characterized in that: The fan outer frame (213) is fixedly connected to the connecting rod 1 (218), and the connecting rod 1 (218) is rotatably connected to the heating device housing (201).

8. The heating device for a 3D printing consumables drying box according to claim 7, characterized in that: Ratchets (219) are fixed at both ends of the first connecting rod (218), and the two ratchet wheels (219) are respectively meshed with two pawls (221) for transmission. The two pawls (221) are fixedly connected through the second connecting rod (222), and the pawls (221) are fixedly connected to the handle (220).

9. The heating device used in a drying box for 3D printing consumables according to claim 8, characterized in that: The second connecting rod (222) is fixedly connected to one end of a torsion spring (223), and the other end of the torsion spring (223) is fixedly connected to the housing (201) of the heating device.

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