3D printer with efficient heat dissipation function

Abstract

The invention relates to the technical field of 3D printers, and discloses an efficient heat dissipation 3D printer which comprises a supporting mechanism, the supporting mechanism comprises a protection bin, supporting legs are fixedly connected to the outer surface of the bottom of the protection bin, a bin door is rotatably connected to the top of the protection bin through hinges, and a material bin is fixedly connected to the outer wall of the top of the bin door. First heat dissipation holes are formed in the outer surface of the protection bin, a fixing rod is fixedly connected to the inner wall of the bottom of the protection bin, a printing platform is fixedly connected to the bottom of the protection bin, and in the 3D printing process, a third motor drives a heat dissipation fan to discharge heat around a printing head and a model; and after the heat is guided to the first inclined plate through the air guide pipe, the heat is blown to the first heat dissipation holes through the first inclined plate and is discharged out of the protection bin, so that the heat around the printing head and the model is dissipated along with air flow, and effective cooling is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of 3D printers, and in particular to a 3D printer with high-efficiency heat dissipation. Background Art

[0002] A 3D printer is a device that manufactures three-dimensional entities by stacking materials layer by layer based on digital model files. Its core technologies include fused deposition modeling, photocuring and selective laser sintering. 3D printers are widely used in industrial design, medical, education, construction and consumer product manufacturing, and are capable of rapid prototyping, customized production and complex structure manufacturing.

[0003] The patent application with application number CN201620135529.9 discloses a 3D printer with high efficiency heat dissipation, including a housing, a printing platform, a first bracket, a second bracket, a slide and a print head; the second bracket can be movably arranged on the first bracket back and forth, and the slide can be movably arranged on the second bracket back and forth; the print head is arranged on the slide and is located above the printing platform, and the print head includes a first housing, a second housing, a radiator, a first fan, a second fan and a motor.

[0004] In summary, during the 3D printing process, when the print head is dissipating heat, the wind from the fan may affect the printing material, causing the printing material to dissipate heat too quickly, which may cause the printing material to cool down quickly after deposition, thereby weakening the adhesion between layers, affecting the overall strength and durability of the printed model, and ultimately reducing the production efficiency of the 3D printer.

[0005] To this end, we proposed a 3D printer with efficient heat dissipation. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a 3D printer with high efficiency in heat dissipation to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a 3D printer with high efficiency in heat dissipation, comprising a supporting mechanism, the supporting mechanism comprising a protection bin, the bottom outer surface of the protection bin is fixedly connected with a supporting foot, the top of the protection bin is rotatably connected with a bin door through a hinge, the top outer wall of the bin door is fixedly connected with a material bin, the outer surface of the protection bin is provided with a first heat dissipation hole, the bottom inner wall of the protection bin is fixedly connected with a fixing rod, the bottom of the protection bin is fixedly connected with a printing platform, the outer surface of the protection bin close to the printing platform is provided with a second heat dissipation hole, the front outer wall of the protection bin is fixedly connected with a first motor, the first motor runs through the protection bin and is fixedly connected with a first rotating shaft, comprising: The adjustment mechanism includes a first sliding frame slidably connected to the first rotating shaft, the inner wall of the first sliding frame is fixedly connected to a fixing ring, the inner wall of the fixing ring is fixedly connected to a first inclined plate, the outer surface of the first sliding frame is fixedly connected to a second motor, the output end of the second motor is fixedly connected to the second rotating shaft, the output end of the second motor is provided with a heat dissipation component, and the first inclined plate is used to guide the heat inside the protective compartment to be discharged to one side of the first heat dissipation hole.

[0008] According to the above technical solution, the heat dissipation assembly includes a second sliding frame slidably connected to the second rotating shaft, the inner wall of the second sliding frame is fixedly connected to a hydraulic rod, the output end of the hydraulic rod is fixedly connected to a first fixed frame, the outer wall of the first fixed frame on a side away from the hydraulic rod is fixedly connected to a heating block, the top of the heating block is fixedly connected to a feed pipe, the end of the feed pipe away from the heating block passes through the bin door and is fixedly connected to the material bin, the bottom of the heating block is fixedly connected to a print head, and the hydraulic rod adjusts the distance between the print head and the printing platform through the first fixed frame.

[0009] According to the above technical solution, a fixed shaft is fixedly connected to the top outer wall of the first fixed frame, an end of the fixed shaft away from the first fixed frame passes through the second sliding frame and is fixedly connected to a spring, a side of the spring close to the first fixed frame is fixedly connected to the second sliding frame, and the fixed shaft is used to improve the sliding stability of the first fixed frame.

[0010] According to the above technical solution, the outer wall of the first fixing frame is fixedly connected to the second fixing frame, the outer wall of the second fixing frame on a side away from the first fixing frame is fixedly connected to the third motor, the output end of the third motor passes through the second fixing frame and is fixedly connected to the cooling fan, and the third motor discharges the heat near the print head through the cooling fan.

[0011] According to the above technical solution, an air duct is fixedly connected to the outer wall of the second fixing frame away from the third motor, and a second inclined plate is fixedly connected to the inner wall of the second fixing frame. The air duct is used to guide the heat near the print head to the first inclined plate.

[0012] According to the above technical solution, the back of the protective compartment is fixedly connected to a heat dissipation water tank, the bottom of the heat dissipation water tank passes through the protective compartment and is fixedly connected to a second connecting pipe, the end of the second connecting pipe away from the heat dissipation water tank is fixedly connected to a second sliding block, the end of the second sliding block away from the second connecting pipe is fixedly connected to a water inlet pipe, and the end of the water inlet pipe away from the second sliding block is fixedly connected to the print head.

[0013] According to the above technical solution, a second sliding groove is provided on the inner wall of the protection compartment close to the heat dissipation water tank, and the second sliding block is slidably connected to the inner wall of the second sliding groove, and the second sliding groove limits the sliding distance of the second sliding block.

[0014] According to the above technical solution, the outer wall of the print head on the side away from the water inlet pipe is fixedly connected to the water outlet pipe, the end of the water outlet pipe away from the print head is fixedly connected to the first sliding block, the end of the first sliding block away from the water outlet pipe is fixedly connected to the first connecting pipe, the end of the first connecting pipe away from the first sliding block is fixedly connected to the heat dissipation water tank, the first sliding groove is opened on the inner wall of the side of the protection warehouse close to the second sliding groove, the first sliding block is slidably connected to the inner wall of the first sliding groove, and the water outlet pipe is wrapped around the outer surface of the feed pipe for preheating the printing material inside the feed pipe.

[0015] Compared with the prior art, the present invention provides a 3D printer with efficient heat dissipation, which has the following beneficial effects: 1. The present invention provides a 3D printer with high efficiency in heat dissipation. During the 3D printing process, the third motor drives the heat dissipation fan to discharge the heat around the print head and the model. After the heat is guided to the first inclined plate through the air duct, the heat is blown to the first heat dissipation hole through the first inclined plate and discharged from the protective compartment, thereby causing the heat around the print head and the model to dissipate with the air flow, thereby achieving effective cooling.

[0016] 2. The present invention provides an adjustment mechanism. When the print head needs to be cooled, the heat sink transports the condensed water to the second sliding block through the second connecting pipe. Then the second sliding block guides the condensed water to the print head, thereby achieving effective cooling of the print head and reducing adverse effects on the printing model.

[0017] 3. The present invention sets an auxiliary component. After the condensed water cools down the print head, the condensed water with a certain temperature passes through the water outlet pipe wrapped around the outside of the feed pipe to preheat the printing material in the feed pipe, thereby improving the stability of the 3D printing process.

[0018] 4. The present invention provides a water outlet pipe and a feed pipe. The water outlet pipe guides the condensed water with residual temperature into the first connecting pipe through the first sliding block, and then transports it to the heat dissipation water tank through the first connecting pipe. The heat dissipation water tank cools the water and can recycle it. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall front structure of the present invention; Figure 2 It is a schematic diagram of the overall back structure of the present invention; Figure 3 It is a schematic diagram of the overall front cross-sectional structure of the present invention; Figure 4 It is a schematic diagram of the supporting mechanism structure of the present invention; Figure 5 The structure of the regulating mechanism of the present invention is shown in FIG. Figure 1 ; Figure 6 The structure of the regulating mechanism of the present invention is shown in FIG. Figure 2 ; Figure 7 It is a schematic diagram of the structure of the heat dissipation assembly of the present invention; Figure 8 For the present invention Figure 3 Schematic diagram of the enlarged structure of A.

[0020] In the figure: 1. Support mechanism; 101. Protection bin; 102. Support foot; 103. First motor; 104. Fixing rod; 105. First heat dissipation hole; 106. Printing platform; 107. Second heat dissipation hole; 108. First sliding slot; 109. Second sliding slot; 110. Bin door; 111. Material bin; 112. First rotating shaft; 2. Adjustment mechanism; 201. First sliding frame; 202. Fixing ring; 203. First tilting plate; 204. Second motor; 205. Second rotating shaft; 206. Heat dissipation assembly; 2061. Second sliding frame; 2062. Frame; 2062, hydraulic rod; 2063, first fixed frame; 2064, heating block; 2065, print head; 2066, water inlet pipe; 2067, water outlet pipe; 2068, fixed shaft; 2069, spring; 20610, second fixed frame; 20611, third motor; 20612, second inclined plate; 20613, cooling fan; 20614, feed pipe; 20615, air duct; 207, cooling water tank; 208, first connecting pipe; 209, first sliding block; 210, second connecting pipe; 211, second sliding block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. 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] Example 1: See Figure 1-Figure 8 The present invention provides a technical solution: a 3D printer with high efficiency in heat dissipation, comprising a support mechanism 1, the support mechanism 1 comprising a protection bin 101, a bottom outer surface of the protection bin 101 is fixedly connected with a support foot 102, a top of the protection bin 101 is rotatably connected with a bin door 110 through a hinge, a top outer wall of the bin door 110 is fixedly connected with a material bin 111, a first heat dissipation hole 105 is provided on the outer surface of the protection bin 101, a fixing rod 104 is fixedly connected to the bottom inner wall of the protection bin 101, a printing platform 106 is fixedly connected to the bottom of the protection bin 101, a second heat dissipation hole 107 is provided on the outer surface of one side of the protection bin 101 close to the printing platform 106, a first motor 103 is fixedly connected to the front outer wall of the protection bin 101, the first motor 103 runs through the protection bin 101 and is fixedly connected with a first rotating shaft 112, comprising: The adjusting mechanism 2 includes a first sliding frame 201 slidably connected to the first rotating shaft 112, a fixing ring 202 is fixedly connected to the inner wall of the first sliding frame 201, a first inclined plate 203 is fixedly connected to the inner wall of the fixing ring 202, a second motor 204 is fixedly connected to the outer surface of the first sliding frame 201, a second rotating shaft 205 is fixedly connected to the output end of the second motor 204, a heat dissipation component 206 is provided at the output end of the second motor 204, and the first inclined plate 203 is used to guide the heat inside the protection chamber 101 to be discharged to one side of the first heat dissipation hole 105. When performing a 3D printing operation, the first motor 103 drives the first sliding frame 201 to slide along its outer surface through the first rotating shaft 112, and at the same time, the other end of the first sliding frame 201 is supported by the fixing rod 104, and the second motor 204 drives the second sliding frame 2061 to move through the second rotating shaft 205, and drives the print head 2065 to complete the 3D printing task on the printing platform 106, thereby ensuring the stability and accuracy of the print head 2065 during the movement.

[0025] The heat dissipation assembly 206 includes a second sliding frame 2061 slidably connected to the second rotating shaft 205, the inner wall of the second sliding frame 2061 is fixedly connected to a hydraulic rod 2062, the output end of the hydraulic rod 2062 is fixedly connected to a first fixed frame 2063, the outer wall of the first fixed frame 2063 away from the hydraulic rod 2062 is fixedly connected to a heating block 2064, the top of the heating block 2064 is fixedly connected to a feed pipe 20614, the end of the feed pipe 20614 away from the heating block 2064 passes through the warehouse door 110 and is fixedly connected to the material warehouse 111, the bottom of the heating block 2064 is fixedly connected to a print head 2065, the hydraulic rod 2062 adjusts the distance between the print head 2065 and the printing platform 106 through the first fixed frame 2063, the top outer wall of the first fixed frame 2063 is fixedly connected to a fixed shaft 2068, and the fixed shaft 20 One end of 68 away from the first fixed frame 2063 passes through the second sliding frame 2061 and is fixedly connected with a spring 2069. The side of the spring 2069 close to the first fixed frame 2063 is fixedly connected to the second sliding frame 2061. The fixed shaft 2068 is used to improve the sliding stability of the first fixed frame 2063. When performing 3D printing operations, the hydraulic rod 2062 pushes the first fixed frame 2063 to move toward the printing platform 106. At the same time, the heating block 2064 heats the printing material in the feed pipe 20614 to melt it into a printable state. The melted material completes the 3D printing task through the print head 2065. During the movement of the first fixed frame 2063, the fixed shaft 2068 provides support for it, thereby improving the movement stability of the first fixed frame 2063 and improving the stability and accuracy of the print head 2065 during operation.

[0026] The outer wall of the first fixing frame 2063 is fixedly connected to the second fixing frame 20610, and the outer wall of the second fixing frame 20610 on one side away from the first fixing frame 2063 is fixedly connected to the third motor 20611. The output end of the third motor 20611 passes through the second fixing frame 20610 and is fixedly connected to the cooling fan 20613. The outer wall of the second fixing frame 20610 on one side away from the third motor 20611 is fixedly connected to the air duct 20615. The inner wall of the second fixing frame 20610 is fixedly connected to the second inclined plate 20612. When it is necessary to dissipate the heat between the print head 2065 and the printed model, the third motor 20611 drives the cooling fan 20613 to discharge the heat around the print head 2065 and the model, and guides the heat to the first inclined plate 203 through the air duct 20615. The heat is discharged to the first heat dissipation hole 105 through the first inclined plate 203, so that the heat around the print head 2065 and the model is dissipated with the air flow, thereby achieving effective cooling.

[0027] The back of the protection chamber 101 is fixedly connected to a heat dissipation water tank 207, the bottom of the heat dissipation water tank 207 passes through the protection chamber 101 and is fixedly connected to a second connecting pipe 210, one end of the second connecting pipe 210 away from the heat dissipation water tank 207 is fixedly connected to a second sliding block 211, one end of the second sliding block 211 away from the second connecting pipe 210 is fixedly connected to a water inlet pipe 2066, one end of the water inlet pipe 2066 away from the second sliding block 211 is fixedly connected to the print head 2065, and the side of the protection chamber 101 close to the heat dissipation water tank 207 is fixedly connected to the print head 2065. A second sliding groove 109 is opened on the inner wall, and the second sliding block 211 is slidably connected to the inner wall of the second sliding groove 109. The second sliding groove 109 limits the sliding distance of the second sliding block 211. When the print head 2065 needs to be cooled, the heat dissipation water tank 207 transports the condensed water to the second sliding block 211 through the second connecting pipe 210, and then the second sliding block 211 guides the condensed water to the print head 2065, thereby achieving effective cooling of the print head 2065 and reducing adverse effects on the printing model.

[0028] The outer wall of the side of the print head 2065 away from the water inlet pipe 2066 is fixedly connected to the water outlet pipe 2067, the end of the water outlet pipe 2067 away from the print head 2065 is fixedly connected to the first sliding block 209, the end of the first sliding block 209 away from the water outlet pipe 2067 is fixedly connected to the first connecting pipe 208, the end of the first connecting pipe 208 away from the first sliding block 209 is fixedly connected to the heat dissipation water tank 207, the inner wall of the side of the protection chamber 101 close to the second sliding groove 109 is provided with the first sliding groove 108, the first sliding block 209 The first sliding groove 108 is slidably connected to the inner wall. After the condensed water cools down the print head 2065, the condensed water with residual temperature passes through the water outlet pipe 2067 wound around the outside of the feed pipe 20614 to preheat the printing material in the feed pipe 20614, thereby improving the stability of the 3D printing process. The water outlet pipe 2067 guides the heated condensed water into the first connecting pipe 208 through the first sliding block 209, and finally discharges it into the heat dissipation water tank 207. After the heat dissipation water tank 207 cools down the water, it can be recycled.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including 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 device.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A 3D printer with high heat dissipation, comprising a support mechanism (1), the support mechanism (1) comprising a protection chamber (101), the bottom outer surface of the protection chamber (101) being fixedly connected to a support foot (102), the top of the protection chamber (101) being rotatably connected to a chamber door (110) via a hinge, the top outer wall of the chamber door (110) being fixedly connected to a material chamber (111), the outer surface of the protection chamber (101) being provided with a first heat dissipation hole (105), the bottom inner wall of the protection chamber (101) being fixedly connected to a fixing rod (104), the bottom of the protection chamber (101) being fixedly connected to a printing platform (106), the outer surface of a side of the protection chamber (101) close to the printing platform (106) being provided with a second heat dissipation hole (107), the front outer wall of the protection chamber (101) being fixedly connected to a first motor (103), the first motor (103) penetrating the protection chamber (101) and being fixedly connected to a first rotating shaft (112), characterized in that: Also includes: The adjustment mechanism (2) comprises a first sliding frame (201) slidably connected to a first rotating shaft (112); a fixing ring (202) is fixedly connected to the inner wall of the first sliding frame (201); a first inclined plate (203) is fixedly connected to the inner wall of the fixing ring (202); a second motor (204) is fixedly connected to the outer surface of the first sliding frame (201); an output end of the second motor (204) is fixedly connected to a second rotating shaft (205); a heat dissipation component (206) is provided at the output end of the second motor (204); and the first inclined plate (203) is used to guide the heat inside the protection chamber (101) to be discharged to one side of the first heat dissipation hole (105).

2. A 3D printer with high heat dissipation efficiency according to claim 1, characterized in that: The heat dissipation component (206) comprises a second sliding frame (2061) slidably connected to the second rotating shaft (205); a hydraulic rod (2062) is fixedly connected to the inner wall of the second sliding frame (2061); an output end of the hydraulic rod (2062) is fixedly connected to a first fixed frame (2063); a heating block (2064) is fixedly connected to the outer wall of the first fixed frame (2063) on a side away from the hydraulic rod (2062); a feed pipe (20614) is fixedly connected to the top of the heating block (2064); an end of the feed pipe (20614) away from the heating block (2064) passes through the bin door (110) and is fixedly connected to the material bin (111); a print head (2065) is fixedly connected to the bottom of the heating block (2064); and the hydraulic rod (2062) adjusts the distance between the print head (2065) and the printing platform (106) through the first fixed frame (2063).

3. A 3D printer with high heat dissipation efficiency according to claim 2, characterized in that: A fixed shaft (2068) is fixedly connected to the top outer wall of the first fixed frame (2063); an end of the fixed shaft (2068) away from the first fixed frame (2063) passes through the second sliding frame (2061) and is fixedly connected to a spring (2069); a side of the spring (2069) close to the first fixed frame (2063) is fixedly connected to the second sliding frame (2061); and the fixed shaft (2068) is used to improve the sliding stability of the first fixed frame (2063).

4. The 3D printer with high heat dissipation efficiency according to claim 3, characterized in that: The outer wall of the first fixing frame (2063) is fixedly connected to the second fixing frame (20610), and the outer wall of the second fixing frame (20610) on a side away from the first fixing frame (2063) is fixedly connected to the third motor (20611), the output end of the third motor (20611) passes through the second fixing frame (20610) and is fixedly connected to a cooling fan (20613), and the third motor (20611) discharges heat near the print head (2065) through the cooling fan (20613).

5. The 3D printer with high heat dissipation efficiency according to claim 4, characterized in that: An air duct (20615) is fixedly connected to an outer wall of the second fixing frame (20610) on a side away from the third motor (20611), and a second inclined plate (20612) is fixedly connected to an inner wall of the second fixing frame (20610). The air duct (20615) is used to guide heat near the print head (2065) to the first inclined plate (203).

6. The 3D printer with high efficiency heat dissipation according to claim 5, characterized in that: The back of the protection chamber (101) is fixedly connected to a heat dissipation water tank (207); the bottom of the heat dissipation water tank (207) passes through the protection chamber (101) and is fixedly connected to a second connecting pipe (210); one end of the second connecting pipe (210) away from the heat dissipation water tank (207) is fixedly connected to a second sliding block (211); one end of the second sliding block (211) away from the second connecting pipe (210) is fixedly connected to a water inlet pipe (2066); and one end of the water inlet pipe (2066) away from the second sliding block (211) is fixedly connected to a print head (2065).

7. The 3D printer with high efficiency heat dissipation according to claim 6, characterized in that: A second sliding groove (109) is provided on the inner wall of the protection chamber (101) close to the heat dissipation water tank (207), and the second sliding block (211) is slidably connected to the inner wall of the second sliding groove (109). The second sliding groove (109) limits the sliding distance of the second sliding block (211).

8. The 3D printer with high efficiency heat dissipation according to claim 7, characterized in that: A water outlet pipe (2067) is fixedly connected to the outer wall of a side of the print head (2065) away from the water inlet pipe (2066); an end of the water outlet pipe (2067) away from the print head (2065) is fixedly connected to a first sliding block (209); an end of the first sliding block (209) away from the water outlet pipe (2067) is fixedly connected to a first connecting pipe (208); an end of the first connecting pipe (208) away from the first sliding block (209) is fixedly connected to a heat dissipation water tank (207); a first sliding groove (108) is formed on the inner wall of a side of the protection chamber (101) close to the second sliding groove (109); the first sliding block (209) is slidably connected to the inner wall of the first sliding groove (108); and the water outlet pipe (2067) is wound around the outer surface of the feed pipe (20614) for preheating the printing material inside the feed pipe (20614).

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