3D printing device

By introducing temperature sensors and semiconductor refrigerators into the 3D printing device, combined with the fan design, the problem of high temperature damage of the print head is solved, effective cooling effect is achieved, and the service life of the equipment is extended.

CN222346310UActive Publication Date: 2025-01-14胡明兴
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Patent Information

Application Number
CN202420758704.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-12
Publication Date
2025-01-14
Estimated Expiration
2034-04-12

AI Technical Summary

Technical Problem

The existing 3D printing devices have poor cooling effect, which leads to easy damage to the printhead in high temperature environments and shortens the service life.

Method used

A 3D printing device including a support table, a box, a temperature sensor, a semiconductor refrigerator and a fan is designed. The internal temperature is monitored through a temperature sensor, and the processor controls the operation of the fan and semiconductor refrigerator to achieve effective cooling of the print head.

Benefits of technology

Effective cooling extends the service life of the print head and improves the stability and reliability of the 3D printing device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a 3D printing device, and relates to the field of 3D printing devices. The 3D printing device comprises a supporting table, a box body is fixedly connected to the top of the supporting table, a 3D printing device body is fixedly connected to the top of an inner cavity of the box body, a printing head is fixedly connected to the bottom of the 3D printing device body, and fixing columns are fixedly connected to the two sides of the bottom of the box body; a printing table is fixedly connected to the top of the fixing column, a temperature sensor is fixedly connected to the center of the bottom of an inner cavity of the box body, and a semiconductor refrigerator is fixedly connected to the bottom of an inner cavity of the supporting table. According to the 3D printing device, firstly, operation parameters of the temperature sensor, the draught fan and the semiconductor cooler are set through the processor, when the temperature sensor monitors that the interior of the box body stably exceeds a set value, the temperature sensor feeds back data to the processor, and the processor starts the draught fan and the semiconductor cooler.
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Description

Technical Field

[0001] The utility model relates to the field of 3D printing devices, in particular to a 3D printing device. Background Art

[0002] 3D printer, also known as three-dimensional printer (3DP), is a machine with cumulative manufacturing technology, that is, rapid prototyping technology. It is based on a digital model file and uses special wax materials, powdered metal or plastic and other adhesive materials to print layers of adhesive materials to create three-dimensional objects. At present, 3D printers are used to manufacture products, and the technology of constructing objects by printing layer by layer. The principle of 3D printer is to put data and raw materials into the 3D printer, and the machine will build the product layer by layer according to the program.

[0003] Existing 3D printing devices have poor cooling effects. When people use the 3D printing devices, the internal print head will generate high temperatures. If it is not cooled in time, it is easy to cause high-temperature damage and reduce its service life.

[0004] Therefore, it is necessary to provide a 3D printing device to solve the above-mentioned technical problems. The disclosure of the information in this background technology section is only intended to increase the understanding of the overall background of the present invention, and is not necessarily regarded as an admission or suggestion in any form that the information constitutes the prior art that is already known to those skilled in the art. Utility Model Content

[0005] The utility model provides a 3D printing device, which solves the technical problem that the existing 3D printing device has poor cooling effect. When people use the 3D printing device, the internal print head will generate high temperature. If it is not cooled in time, it is easy to cause high temperature damage and reduce its service life.

[0006] In order to solve the above technical problems, the utility model provides a 3D printing device, including a support table, the top of the support table is fixedly connected to a box, the top of the box inner cavity is fixedly connected to a 3D printing device body, the bottom of the 3D printing device body is fixedly connected to a printer head, both sides of the bottom of the box are fixedly connected to fixed columns, the top of the fixed columns is fixedly connected to the printing table, the center of the bottom of the box inner cavity is fixedly connected to a temperature sensor, the bottom of the support table inner cavity is fixedly connected to a semiconductor refrigerator, and the bottom of the semiconductor refrigerator extends to the support table. The bottom of the support platform, the top of the right side of the front of the support platform is fixedly connected with a processor, the processor includes control buttons and a display screen, brackets are fixedly connected to both sides of the bottom of the inner cavity of the support platform, the top of the bracket is fixedly connected with a fan, the inner side of the fan is connected with an air suction pipe, the inner side of the air suction pipe is connected with a filter shell, the inner cavity of the filter shell is fixedly connected with a dehumidification filter cotton, the top of the fan is connected with an air outlet pipe, the top of the air outlet pipe is connected with a transverse pipe, the top of the transverse pipe is connected with a duct, the top of the duct passes through the top of the support platform and is connected with the bottom of the box.

[0007] Preferably, vents are provided on both sides of the support platform, and a filter screen is fixedly connected to the inner cavity of the vent.

[0008] Preferably, both sides of the transverse tube are fixedly connected with fixing blocks, and the outer sides of the fixing blocks are fixedly connected to the two sides of the inner cavity of the support platform.

[0009] Preferably, cabinet doors are hingedly connected to the top and bottom of the left side of the front side of the box body, and inspection doors are hingedly connected to both sides of the front side of the support platform.

[0010] Preferably, the input end of the processor is unidirectionally electrically connected to the output end of the control button, the output end of the processor is unidirectionally electrically connected to the input ends of the display screen, the fan and the semiconductor refrigerator respectively, and the output end of the processor is bidirectionally electrically connected to the input end of the temperature sensor.

[0011] Compared with the related art, the 3D printing device provided by the utility model has the following beneficial effects:

[0012] The utility model provides a 3D printing device. First, the operating parameters of a temperature sensor, a fan and a semiconductor refrigerator are set through a processor. When the temperature sensor detects that the inside of a box stably exceeds the set value, the temperature sensor feeds back data to the processor, and the processor starts the fan and the semiconductor refrigerator.

[0013] The utility model provides a 3D printing device, wherein a semiconductor refrigerator performs cooling inside a support platform, a fan draws cold air inside the support platform through an air suction pipe, and the fan delivers the cold air to a duct through an air outlet pipe and a transverse pipe, so that the duct cools the inside of a box body and maintains the working temperature of a printer head. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic structural diagram of a preferred embodiment of a 3D printing device provided by the utility model;

[0015] Figure 2 This is a cross-sectional view of the box and support platform structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the system principle of the utility model;

[0017] Figure 4 It is a partial enlarged view of the AA structure of the utility model.

[0018] Numbers in the figure: 1. Support table; 2. Box body; 3. 3D printing device body; 4. Printer head; 5. Fixed column; 6. Printing table; 7. Temperature sensor; 8. Semiconductor refrigerator; 9. Processor; 10. Bracket; 11. Fan; 12. Suction duct; 13. Dehumidification filter cotton; 14. Air outlet duct; 15. Horizontal pipe; 16. Conduit; 17. Vent; 18. Filter; 19. Cabinet door; 20. Inspection door; 21. Filter shell. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0020] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0021] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0022] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0023] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Embodiment 1:

[0025] See also Figure 1-4 The utility model provides a technical solution: a 3D printing device, including a support table 1, a box body 2 is fixedly connected to the top of the support table 1, a 3D printing device body 3 is fixedly connected to the top of the inner cavity of the box body 2, a printer head 4 is fixedly connected to the bottom of the 3D printing device body 3, both sides of the bottom of the box body 2 are fixedly connected to fixed columns 5, the top of the fixed columns 5 is fixedly connected to a printing table 6, a temperature sensor 7 is fixedly connected to the center of the bottom of the inner cavity of the box body 2, a semiconductor refrigerator 8 is fixedly connected to the bottom of the inner cavity of the support table 1, and the bottom of the semiconductor refrigerator 8 extends to the bottom of the support table 1. A processor 9 is fixedly connected to the top of the right side of the front face 1, and the processor 9 includes a control button and a display screen. Brackets 10 are fixedly connected to both sides of the bottom of the inner cavity of the support platform 1. A fan 11 is fixedly connected to the top of the bracket 10. The inner side of the fan 11 is connected to an air suction pipe 12, and the inner side of the air suction pipe 12 is connected to a filter housing 21. The inner cavity of the filter housing 21 is fixedly connected to a dehumidification filter cotton 13. The top of the fan 11 is connected to an air outlet pipe 14, and the top of the air outlet pipe 14 is connected to a transverse pipe 15. The top of the transverse pipe 15 is connected to a conduit 16, and the top of the conduit 16 passes through the top of the support platform 1 and is connected to the bottom of the box body 2.

[0026] In this embodiment, the filter screen 18 plays a good role in preventing dust from reaching the vent 17 during use, and the fixing block plays a role in fixing and stabilizing the transverse pipe 15 during use.

[0027] Embodiment 2:

[0028] See also Figure 1-4As shown, on the basis of embodiment 1, the utility model provides a technical solution: air vents 17 are provided on both sides of the support platform 1, the inner cavity of the air vent 17 is fixedly connected with a filter screen 18, both sides of the cross tube 15 are fixedly connected with fixed blocks, and the outer sides of the fixed blocks are fixedly connected with both sides of the inner cavity of the support platform 1, the top and bottom of the left side of the front of the box body 2 are hinged with cabinet doors 19 through hinges, and both sides of the front of the support platform 1 are hinged with inspection doors 20 through hinges, the input end of the processor 9 is unidirectionally electrically connected to the output end of the control button, the output end of the processor 9 is unidirectionally electrically connected to the input ends of the display screen, the fan 11 and the semiconductor refrigerator 8 respectively, and the output end of the processor 9 is bidirectionally electrically connected to the input end of the temperature sensor 7.

[0029] In this embodiment, the bracket 10 can prevent the fan 11 from shaking during use, and the dehumidification filter cotton 13 can effectively filter moisture from the filter housing 21 during use.

[0030] The working principle of a 3D printing device provided by the utility model is as follows:

[0031] The first step to implement the innovation point:

[0032] Step 1: First, the operating parameters of the temperature sensor 7, the fan 11 and the semiconductor refrigerator 8 are set by the processor 9. When the temperature sensor 7 detects that the temperature inside the box 2 is stable and exceeds the set value;

[0033] Step 2: The temperature sensor 7 feeds back data to the processor 9, and the processor 9 starts the fan 11 and the semiconductor refrigerator 8.

[0034] The second innovation point implementation steps:

[0035] Step 1: The semiconductor refrigerator 8 performs cooling inside the support platform 1, and the fan 11 pumps cold air inside the support platform 1 through the air suction pipe 12;

[0036] Step 2: The fan 11 delivers cold air to the conduit 16 through the air outlet duct 14 and the transverse duct 15 , so that the conduit 16 cools the interior of the box 2 to maintain the operating temperature of the printer head 4 .

[0037] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in this field. The utility model is mainly used to protect mechanical devices, so the utility model no longer explains the control method and circuit connection in detail. The peripheral controller mentioned in the specification can control the electrical components mentioned in this article, and the peripheral controller is a conventional known device.

[0038] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0039] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above are only preferred implementation methods of the utility model. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the utility model, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A 3D printing device, comprising a support table (1), characterized in that: The top of the support platform (1) is fixedly connected to a box body (2), the top of the inner cavity of the box body (2) is fixedly connected to a 3D printing device body (3), the bottom of the 3D printing device body (3) is fixedly connected to a printer head (4), both sides of the bottom of the box body (2) are fixedly connected to fixed columns (5), the top of the fixed columns (5) is fixedly connected to a printing platform (6), the center of the bottom of the inner cavity of the box body (2) is fixedly connected to a temperature sensor (7), the bottom of the inner cavity of the support platform (1) is fixedly connected to a semiconductor refrigerator (8), the bottom of the semiconductor refrigerator (8) extends to the bottom of the support platform (1), the top of the right side of the front of the support platform (1) is fixedly connected to a processor (9), The processor (9) comprises control buttons and a display screen. The bottom of the inner cavity of the support platform (1) is fixedly connected to a bracket (10) on both sides. The top of the bracket (10) is fixedly connected to a fan (11). The inner side of the fan (11) is connected to an air suction pipe (12). The inner side of the air suction pipe (12) is connected to a filter housing (21). The inner cavity of the filter housing (21) is fixedly connected to a dehumidifying filter cotton (13). The top of the fan (11) is connected to an air outlet pipe (14). The top of the air outlet pipe (14) is connected to a transverse pipe (15). The top of the transverse pipe (15) is connected to a conduit (16). The top of the conduit (16) passes through the top of the support platform (1) and is connected to the bottom of the box (2).

2. A 3D printing device according to claim 1, characterized in that: Ventilation holes (17) are provided on both sides of the support platform (1), and a filter screen (18) is fixedly connected to the inner cavity of the venting hole (17).

3. A 3D printing device according to claim 1, characterized in that: Both sides of the transverse tube (15) are fixedly connected with fixed blocks, and the outer sides of the fixed blocks are fixedly connected to the two sides of the inner cavity of the support platform (1).

4. A 3D printing device according to claim 1, characterized in that: The top and bottom of the left side of the front of the box body (2) are both hingedly connected to cabinet doors (19), and both sides of the front of the support platform (1) are both hingedly connected to inspection doors (20).

5. A 3D printing device according to claim 1, characterized in that: The input end of the processor (9) is unidirectionally electrically connected to the output end of the control button, the output end of the processor (9) is unidirectionally electrically connected to the input ends of the display screen, the fan (11) and the semiconductor refrigerator (8), respectively, and the output end of the processor (9) is bidirectionally electrically connected to the input end of the temperature sensor (7).