Nozzle module and three-dimensional printer

Abstract

The utility model relates to a nozzle module and a three-dimensional printer. The nozzle module comprises a heat dissipation assembly; the locking assembly comprises a clamping ring piece fixed to the heat dissipation assembly and a knob piece connected to the clamping ring piece, the clamping ring piece is provided with a clamping hole and an opening which penetrate through the clamping ring piece in the first direction, and the opening communicates with the clamping hole; the clamping ring piece is further provided with a first fixed abutting part and a second fixed abutting part which are arranged on the two sides of the opening in the second direction perpendicular to the first direction. The nozzle assembly sequentially penetrates through the clamping hole and the heat dissipation assembly in the first direction; the rotary knob part can rotate around the first axis relative to the clamping ring part so as to extrude or release the second fixed abutting part in the second direction, and therefore the clamping ring part can clamp or release the nozzle assembly. Quick mounting and quick dismounting can be achieved, mounting and dismounting are convenient, and the mounting and dismounting efficiency is improved.

Description

Technical Field

[0001] The present application relates to the field of 3D printing, and in particular to a nozzle module and a 3D printer. Background Art

[0002] Fused Deposition Modeling (FDM) is a method of melting filaments and then printing and stacking them layer by layer to form a three-dimensional object.

[0003] When the nozzle of a 3D printer is clogged, the nozzle needs to be removed from the printer, cleaned, and then reinstalled. If the nozzle is severely clogged, it may even need to be replaced. Therefore, the convenience of nozzle removal and installation is very important.

[0004] In the related art, nozzles often do not have a quick-release function. Even if some nozzles can be quickly released, the disassembly process is cumbersome and requires the use of other tools to achieve quick release, which seriously affects the loading and unloading efficiency. Utility Model Content

[0005] The embodiments of the present application provide a nozzle module and a three-dimensional printer, which can not only achieve quick installation and quick disassembly, but also facilitate installation and disassembly, thereby improving loading and unloading efficiency.

[0006] In a first aspect, the nozzle module provided in the embodiments of the present application includes:

[0007] heat dissipation components;

[0008] a locking assembly comprising a clamping ring fixed to the heat dissipation assembly and a knob connected to the clamping ring, the clamping ring having a clamping hole and an opening extending therethrough in a first direction, the opening being connected to the clamping hole, and the clamping ring further comprising a first fixed abutting portion and a second fixed abutting portion provided on both sides of the opening in a second direction perpendicular to the first direction; and

[0009] a nozzle assembly, sequentially passing through the clamping hole and the heat dissipation assembly along the first direction;

[0010] The knob member can rotate relative to the clamping ring member around the first axis to squeeze or release the second fixed abutting portion along the second direction, so that the clamping ring member clamps or releases the nozzle assembly.

[0011] In some embodiments, the first axis is perpendicular to the second direction.

[0012] In some embodiments, the clamping ring is elastic, and when the knob releases the second fixed abutting portion, the clamping ring can release the nozzle assembly under the action of its own elasticity.

[0013] In some embodiments, the locking assembly further includes a gasket disposed between the knob component and the clamping ring component.

[0014] In some embodiments, the knob member includes a rotating abutment portion that can rotate around the first axis to squeeze or release the second fixed abutment portion along the second direction, and the rotating abutment portion is an eccentric cam structure, and the center line of the eccentric cam structure is eccentrically arranged relative to the first axis.

[0015] In some embodiments, the knob member further includes a handle portion protruding from the rotation abutting portion in the circumferential direction.

[0016] In some embodiments, the locking assembly further includes a first connecting member, the first connecting member including a rod portion extending along the second direction and a first flange portion formed at one end of the rod portion, the other end of the rod portion sequentially passing through the first fixed abutting portion and the second fixed abutting portion and connected to the rotating abutting portion;

[0017] Wherein, one end of the first fixed abutting portion facing away from the second fixed abutting portion in the second direction abuts against the first flange portion, and the rotatable abutting portion can rotate relative to the rod portion around the first axis.

[0018] In some embodiments, the rotational abutting portion is provided with a first assembly hole having the first axis as an axis, and the rotational abutting portion is further provided with an avoidance groove arranged around the first axis and connected to the first assembly hole;

[0019] The locking assembly further includes a second connecting member, which is inserted into the first assembly hole;

[0020] The first connecting member is passed through the avoidance groove and is fixed to the second connecting member.

[0021] In some embodiments, a second assembly hole extending radially along the second connection member is formed on the circumference of the second connection member, the first connection member is threadedly connected to the second assembly hole, and the second connection member is further formed with a third assembly hole having the first axis as an axis, the third assembly hole being connected to the second assembly hole;

[0022] The locking assembly further includes a fastener threadedly connected to the third assembly hole, and the fastener is used to tightly press against the first connecting member connected to the second assembly hole.

[0023] In some embodiments, the clamping ring further comprises a ring portion and two fixing portions symmetrically arranged about the ring portion;

[0024] The ring portion has the clamping hole and the opening;

[0025] One end of the fixing portion is formed on the ring portion, and the other end of the fixing portion extends along the circumference of the ring portion with a gap therebetween. Furthermore, the other end of the fixing portion is detachably fixed to the heat dissipation assembly.

[0026] In some embodiments, the heat dissipation assembly includes a heat dissipation member, two heat insulation members, and two fixing members;

[0027] The two heat insulating members are symmetrically arranged on both sides of the heat dissipating member in the second direction, and the fixing members are sequentially passed through the corresponding fixing portions and the heat insulating members and fixed to the heat dissipating member;

[0028] The nozzle assembly is disposed through the heat sink.

[0029] In some embodiments, the nozzle assembly includes a throat fitting, a heat-conducting pipe fitting, and a nozzle fitting connected in sequence in the first direction, the throat fitting is passed through the heat dissipation assembly, and the nozzle assembly also includes a locking pipe fitting fixed to the outer periphery of the heat-conducting pipe fitting, and the locking pipe fitting is passed through the clamping hole.

[0030] In some embodiments, the nozzle module further includes a heating component, and the heating component is sleeved outside the heat-conducting pipe.

[0031] In some embodiments, the heat-conducting pipe comprises a pipe portion and a second flange portion circumferentially protruding from the pipe portion, wherein the second flange portion is provided at one end of the pipe portion close to the nozzle member;

[0032] The locking pipe is threadedly connected to an end of the pipe away from the second flange;

[0033] The heating component is arranged between the second flange portion and the locking tube.

[0034] In a second aspect, the 3D printer provided in an embodiment of the present application includes the nozzle module provided in any of the above embodiments.

[0035] Compared with the prior art, the beneficial features of the embodiments of the present application are as follows: the nozzle module and the three-dimensional printer, the nozzle module includes a heat dissipation component, a locking component and a nozzle component, the locking component includes a clamping ring fixed to the heat dissipation component and a knob component connected to the clamping ring, the clamping ring has a clamping hole and an opening running through it in a first direction, the opening is connected to the clamping hole, and the clamping ring also has a first fixed abutment portion and a second fixed abutment portion respectively arranged on both sides of the opening in a second direction perpendicular to the first direction; the nozzle assembly is sequentially passed through the clamping hole and the heat dissipation component along the first direction, through the implementation method of the present application By rotating the knob member around the first axis, the second fixed abutment portion can be squeezed along the second direction to reduce the width of the opening in the second direction, so that the nozzle assembly can be clamped in the clamping hole of the clamping ring, which can achieve quick installation, and the installation process is simple, without the need for other tools, thereby improving the installation efficiency; conversely, by rotating the knob member in the opposite direction around the first axis, the second fixed abutment portion can be released to increase the width of the opening in the second direction, so that the clamping ring can release the nozzle assembly, thereby achieving quick disassembly, and the disassembly process is simple, without the need for other tools, thereby improving the disassembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 This is a schematic diagram of the three-dimensional structure of the nozzle module according to an embodiment of the present application;

[0037] Figure 2 This is a front view of the nozzle module according to an embodiment of the present application;

[0038] Figure 3 for Figure 2 Left view of;

[0039] Figure 4 for Figure 2 Bottom view of

[0040] Figure 5 for Figure 4 AA cross-sectional view;

[0041] Figure 6 for Figure 4 BB cross-sectional view;

[0042] Figure 7 This is a structural diagram of the nozzle module in an embodiment of the present application when the locking assembly is in the up state;

[0043] Figure 8 This is a structural diagram of the nozzle module in an embodiment of the present application when the locking assembly is in a lowered state;

[0044] Figure 9 This is an exploded view of the locking assembly in the nozzle module of the embodiment of the present application;

[0045] Figure 10This is a schematic diagram of the heat dissipation component structure in the nozzle module of an embodiment of the present application;

[0046] Figure 11 This is a schematic diagram of the structure of the nozzle assembly in the nozzle module of an embodiment of the present application;

[0047] Figure 12 for Figure 11 CC cross-sectional view;

[0048] Among them: 1-heat dissipation assembly (101-heat dissipation member, 102-heat insulation member, 103-fixing member), 2-locking assembly (201-clamping ring member (2011-clamping hole, 2012-opening, 2015-ring portion, 2016-first fixed abutting portion, 2017-second fixed abutting portion (20171-embedded groove), 2018-fixing portion), 202-knob member (2021-rotating abutting portion (20211-first assembly hole, 20212-avoidance groove), 2022-handle portion), 203-gasket, 204-first connecting member (204 1-rod, 2042-first flange), 205-second connecting piece (2051-second assembly hole, 2052-third assembly hole), 206-fastener), 3-nozzle assembly (301-throat fitting, 302-heat conducting pipe fitting (3021-pipe, 3022-second flange (30221-mounting hole)), 303-nozzle fitting, 304-locking pipe fitting, 305-heat dissipation pipe fitting), 4-heating assembly (401-heating element, 402-protective shell, 403-temperature sensor), 5-pressure collection piece, 6-limiting piece, 7-first axis. DETAILED DESCRIPTION

[0049] To facilitate understanding of the present application, a more comprehensive description of the present application will be provided below with reference to the accompanying drawings. The accompanying drawings illustrate preferred embodiments of the present application. However, the present application may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the disclosure of the present application.

[0050] It should be noted that when an element is referred to as being “fixed to” another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or there may be an intermediate element.

[0051] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application pertains. The terms used herein in the specification of this application are for the purpose of describing specific embodiments only and are not intended to limit this application.

[0052] Please refer to Figures 1 to 12 The nozzle module of the embodiment of the present application includes a heat dissipation component 1, a locking component 2 and a nozzle component 3. The locking component 2 includes a clamping ring 201 and a knob component 202. The clamping ring 201 is fixed to the heat dissipation component 1, and the knob component 202 is rotatably connected to the clamping ring 201. The clamping ring 201 has a clamping hole 2011 and an opening 2012. The clamping hole 2011 and the opening 2012 both pass through the clamping ring 201 in the first direction, and the opening 2012 is connected to the clamping hole 2011 in the circumferential direction of the clamping hole 2011. The clamping ring 201 also has a first fixed abutment 2016 and a second fixed abutment 2017. The first fixed abutment 2016 and the second fixed abutment 2017 are respectively arranged on both sides of the opening 2012 in the second direction, and the second direction is perpendicular to the first direction. The nozzle component 3 is sequentially penetrated in the clamping hole 2011 and the heat dissipation component 1 along the first direction. The knob 202 can rotate relative to the clamping ring 201 around the first axis 7. Figures 1 to 3 as well as Figures 6 and 7 When the knob 202 is in the position shown, that is, when the knob 202 is in the up position, the knob 202 can press the second fixed abutting portion 2017 in the second direction, so that the second fixed abutting portion 2017 moves toward the first fixed abutting portion 2016 in the second direction to reduce the width of the opening 2012 in the second direction, so that the clamping ring 201 can apply pressure to the nozzle assembly 3 to clamp the nozzle assembly 3. Figure 8 When in the position shown, that is, when the knob member 202 is in the lowered state, the knob member 202 can release the second fixed abutment 2017 in the second direction, so that the second fixed abutment 2017 moves away from the first fixed abutment 2016 along the second direction to increase the width of the opening 2012 in the second direction, so that the clamping ring 201 can release the nozzle assembly 3, making it easier for the user to remove the nozzle assembly 3 from the nozzle module.

[0053] In the embodiment of the present application, the width of the opening 2012 in the second direction can be changed by rotating the knob 202, thereby changing the aperture of the clamping hole 2011, so that the clamping ring 201 can clamp or release the nozzle assembly 3 inserted into the clamping hole 2011. This not only enables quick installation and quick removal with one twist, but also simplifies the installation and removal processes and does not require the use of other tools, thereby improving installation and removal efficiency. In addition, the locking assembly 2 can securely fix the nozzle assembly 3 to the heat dissipation assembly 1, eliminating the problem of the nozzle assembly 3 rotating and / or moving up and down during movement, and ensuring reliable fixation of the nozzle assembly 3.

[0054] In some embodiments, the clamping ring 201 is elastic. Therefore, when the knob 202 releases the second fixed abutting portion 2017, the clamping ring 201 can release the nozzle assembly 3 under its own elastic action, thereby effectively preventing the clamping ring 201 from still clamping the nozzle assembly 3 after the knob 202 releases the second fixed abutting portion 2017, further ensuring that the nozzle module can be quickly disassembled and improving disassembly efficiency.

[0055] In some embodiments, when the clamping ring 201 is clamping the nozzle assembly 3, a gap remains between the second fixed abutting portion 2017 and the first fixed abutting portion 2016 in the second direction. That is, in this embodiment, rotating the knob 202 in the S direction can change the width of the opening 2012 in the second direction without closing the opening 2012. This allows for a certain amount of deformation, preventing the second fixed abutting portion 2017 and the first fixed abutting portion 2016 from abutting against each other before the knob 202 is fully rotated, leading to a failure to effectively clamp the nozzle assembly 3. This improves the reliability of the nozzle module and enables the clamping ring 201 to more effectively clamp the nozzle assembly 3.

[0056] In some embodiments, the first axis 7 is perpendicular to the second direction, which not only facilitates the rotation of the knob 202, but also avoids the knob 202 from interfering with other environmental elements when the knob 202 is rotated, making the spatial layout more reasonable and the structure simpler. Figure 4 and Figure 6 As shown, the first axis 7 may be perpendicular to the first direction and the second direction. Alternatively, the first axis 7 may be parallel to the first direction.

[0057] It should be noted that, in other embodiments, the first axis 7 may also be perpendicular to the second direction in other directions, or the first axis 7 may not be perpendicular to the second direction. It can be set according to actual conditions and will not be elaborated here.

[0058] In some embodiments, see Figure 3 、 Figure 4 as well as Figures 7 to 9 The locking assembly 2 also includes a gasket 203, which is arranged between the knob 202 and the clamping ring 201. It can effectively protect the clamping ring 201 and prevent the clamping ring 201 from being frequently damaged by friction after long-term use, thereby extending the service life of the clamping ring 201 and reducing the cost of use.

[0059] As an embodiment, the gasket 203 can be made of brass. The brass gasket 203 has good metal lubricity, so that the knob part 202 can withstand frequent friction during rotation, thereby extending the service life of the knob part 202 and reducing the cost of use.

[0060] In some embodiments, the relative position of the first axis 7 and the first fixed abutting portion 2016 can be kept fixed. Figures 7 to 9 The knob 202 includes a rotating abutting portion 2021 that can rotate around the first axis 7, thereby squeezing or releasing the second fixed abutting portion 2017. As an embodiment, the rotating abutting portion 2021 can be an eccentric cam structure, and the center line of the eccentric cam structure is eccentrically arranged relative to the first axis 7, that is, the center line of the eccentric cam structure does not coincide with the first axis 7, for example, the center line of the eccentric cam structure is parallel to the first axis 7. When the knob 202 is rotated along the S direction to Figure 7 In the pulled-up state shown, the eccentric distance of the rotating abutting portion 2021 is at a maximum value or close to a maximum value. Since the relative positions of the first axis 7 and the first fixed abutting portion 2016 are fixed, the width of the opening 2012 in the second direction is at a minimum value or close to a minimum value. At this time, the nozzle assembly 3 is clamped in the clamping hole 2011 of the locking assembly 2. When the knob 202 is rotated in the N direction to Figure 8 In the lowered state shown, the eccentric distance of the rotating supporting portion 2021 is at the minimum value or close to the minimum value. Since the relative position of the first axis 7 and the first fixed supporting portion 2016 is fixed, the width of the opening 2012 in the second direction is at the maximum value or close to the maximum value. At this time, the locking assembly 2 releases the nozzle assembly 3, and the user can remove the nozzle assembly 3 from the nozzle structure.

[0061] In this embodiment, when the knob 202 is rotated along the S direction to Figure 7 In the pulled-up state shown, the distance between the first axis 7 and the second fixed abutting portion 2017 is at a maximum value or close to a maximum value. Since the relative positions of the first axis 7 and the first fixed abutting portion 2016 are fixed, that is, the distance between the first axis 7 and the first fixed abutting portion 2016 in the second direction is fixed. Therefore, at this time, the spacing between the first fixed abutting portion 2016 and the second fixed abutting portion 2017 in the second direction is at a minimum value or close to a minimum value, that is, the width of the opening 2012 in the second direction is at a minimum value or close to a minimum value, and the nozzle assembly 3 is clamped in the clamping hole 2011 of the locking assembly 2. When the knob 202 is rotated in the N direction to Figure 8In the lowered state shown, the distance between the first axis 7 and the second fixed abutment 2017 is at a minimum or close to a minimum. Since the distance between the first axis 7 and the first fixed abutment 2016 in the second direction is fixed, the spacing between the first fixed abutment 2016 and the second fixed abutment 2017 in the second direction is at a maximum or close to a maximum, that is, the width of the opening 2012 in the second direction is at a maximum or close to a maximum. At this time, the locking assembly 2 releases the nozzle assembly 3, and the user can remove the nozzle assembly 3 from the nozzle structure.

[0062] It is understandable that in other embodiments, the rotating abutting portion 2021 may also be other structures, as long as rotating the rotating abutting portion 2021 can squeeze or release the second fixed abutting portion 2017 in the second direction, which will not be elaborated here.

[0063] As an example, please refer to Figure 3 and Figure 4 The side surface of the gasket 203 facing the rotating supporting part 2021 can be constructed as an arc-shaped surface, which can effectively increase the contact area between the gasket 203 and the rotating supporting part 2021, so that the rotating supporting part 2021 and the gasket 203 are subjected to more uniform and dispersed forces, further extending the service life of the overall structure.

[0064] As an example, please refer to Figure 9 The gasket 203 can be partially embedded in the second fixed supporting portion 2017, and the second fixed supporting portion 2017 is provided with an embedding groove 20171 that cooperates with the gasket 203, thereby improving the stability between the gasket 203 and the second fixed supporting portion 2017, avoiding the movement of the gasket 203, and improving the stability of the overall structure.

[0065] In some embodiments, see Figures 7 to 9 The knob 202 further includes a handle 2022, which is circumferentially protruding from the rotating abutting portion 2021. A user can rotate the handle 2022 to rotate the rotating abutting portion 2021, achieving quick installation and quick removal with one twist, which is convenient. In other embodiments, the handle 2022 can also be fixed to other positions of the rotating abutting portion 2021, which can be set according to actual circumstances and is not described here in detail.

[0066] In some embodiments, see Figures 1 to 4 ,as well as Figures 6 to 9The locking assembly 2 further includes a first connecting member 204. The first connecting member 204 includes a rod portion 2041 and a first flange portion 2042. The rod portion 2041 extends in the second direction. The first flange portion 2042 is formed at one end of the rod portion 2041 in the second direction. The other end of the rod portion 2041 in the second direction is sequentially passed through the first fixed abutting portion 2016 and the second fixed abutting portion 2017 before being connected to the rotating abutting portion 2021. The end of the first fixed abutting portion 2016 facing away from the second fixed abutting portion 2017 in the second direction abuts against the first flange portion 2042. The rotating abutting portion 2021 is rotatable relative to the rod portion 2041 about the first axis 7. The rotating abutting portion 2021 is rotatably connected to the clamping ring 201 via the first connecting member 204.

[0067] In this embodiment, the rotating supporting portion 2021 is rotatably connected to one end of the rod portion 2041 in the second direction, and the other end of the rod portion 2041 in the second direction has a first flange portion 2042. The end of the first fixed supporting portion 2016 in the second direction that is away from the second fixed supporting portion 2017 abuts against the first flange portion 2042, thereby effectively limiting the distance between the first axis 7 and the first fixed supporting portion 2016, thereby ensuring the stability of the overall structure.

[0068] In some embodiments, see Figure 9 The rotating abutting portion 2021 defines a first assembly hole 20211, which is centered on the first axis 7. The rotating abutting portion 2021 also defines an escape groove 20212, which is disposed around the first axis 7 and communicates with the first assembly hole 20211. The locking assembly 2 further includes a second connecting member 205, which is inserted into the first assembly hole 20211. The rod 2041 of the first connecting member 204 is inserted into the escape groove 20212 and secured to the second connecting member 205. When the knob 202 rotates about the first axis 7, the second connecting member 205 remains stationary under the action of the first connecting member 204. In other words, the knob 202 and the second connecting member 205 are rotatably connected, and the knob 202 can rotate about the first axis 7 relative to the second connecting member 205.

[0069] As an embodiment, the second connecting member 205 and the first connecting member 204 are detachably fixed. After a single part in the locking assembly 2 is worn, the first connecting member 204 can be removed to facilitate replacement of damaged parts, thereby extending the service life of the nozzle module and reducing the cost of use.

[0070] As an example, please refer to Figure 9The second connector 205 is threadedly connected to the first connector 204. A second threaded assembly hole 2051 is defined in the second connector 205. The second assembly hole 2051 is circumferentially disposed and radially extends along the second connector 205. The first connector 204 is threadedly connected to the second assembly hole 2051, facilitating assembly and disassembly, making it more convenient to use.

[0071] For some examples, see Figure 9 The second connecting member 205 further defines a third assembly hole 2052, which is a threaded hole. The third assembly hole 2052 is centered on the first axis 7 and is connected to the second assembly hole 2051. The locking assembly 2 also includes a fastener 206, which is threaded into the third assembly hole 2052 and can abut against the first connecting member 204, which is connected to the second assembly hole 2051. During assembly, the first connecting member 204 can be screwed into the second assembly hole 2051 of the second connecting member 205, extending the first connecting member 204 into the third assembly hole 2052. The fastener 206 can then be screwed into the third assembly hole 2052 until the end of the fastener 206 abuts against the outer periphery of the first connecting member 204. The fastener 206 can effectively fix the first connecting member 204 and the second connecting member 205 to prevent the first connecting member 204 and the second connecting member 205 from rotating relative to each other after long-term use, thereby improving the stability and assembly reliability of the nozzle module.

[0072] In some examples, the second connecting member 205 is made of brass. The brass second connecting member 205 has good metal lubricity, so that the knob member 202 can withstand frequent friction during rotation, thereby extending the service life of the knob member 202 and reducing the cost of use.

[0073] In some embodiments, see Figure 4 、 Figure 5 as well as Figures 7 to 9 The clamping ring 201 further includes a ring portion 2015 and two fixing portions 2018. The ring portion 2015 has a clamping hole 2011 and an opening 2012. The two fixing portions 2018 are symmetrically arranged about the ring portion 2015. One end of each fixing portion 2018 is formed on the ring portion 2015, and the other end of each fixing portion 2018 extends along the circumference of the ring portion 2015. There is a gap between the fixing portion 2018 and the ring portion 2015, and the other end of the fixing portion 2018 is fixed to the heat dissipation assembly 1.

[0074] In this embodiment, a gap exists between the fixing portion 2018 and the ring portion 2015, effectively reducing the amount of heat from the nozzle assembly 3 transferred from the locking assembly 2 to the heat dissipation assembly 1, thereby enhancing the thermal insulation effect. Furthermore, the fixing portion 2018 extends circumferentially along the ring portion 2015, effectively optimizing the stress on the fixing portion 2018 and preventing breakage of the fixing portion 2018, thereby improving the product quality of the nozzle module.

[0075] As an embodiment, the fixing portion 2018 can be detachably fixed to the heat dissipation assembly 1, thereby facilitating individual replacement of parts and making installation and disassembly more convenient.

[0076] As an example, the heat dissipation component 1 is used to dissipate heat from the nozzle component 3 so that the consumables in the throat component 301 are not melted, thereby achieving smooth feeding. Figure 10 The heat dissipation assembly 1 includes a heat dissipation element 101, two heat insulation elements 102, and two fixing elements 103. The two heat insulation elements 102 are symmetrically arranged on either side of the heat dissipation element 101 in the second direction. The fixing elements 103 are arranged in a one-to-one correspondence with the heat insulation elements 102. The fixing elements 103 are sequentially inserted through the corresponding fixing portions 2018 and the heat insulation elements 102 and fixed to the heat dissipation element 101. The nozzle assembly 3 is inserted through the heat dissipation element 101.

[0077] In this example, a heat insulating member 102 is provided between the fixing portion 2018 and the heat sink 101 , which can reduce the heat of the nozzle assembly 3 transferred from the fixing portion 2018 to the heat sink 101 , thereby improving the heat insulating effect.

[0078] For some examples, see Figure 5 The fixing member 103 may be a threaded connection member, for example, a screw. The fixing member 103 sequentially passes through the corresponding fixing portion 2018 and the heat insulating member 102 and is threadedly connected to the heat dissipating member 101, which not only effectively fixes the locking assembly 2 to the heat dissipating assembly 1 but also facilitates assembly and disassembly.

[0079] In some examples, the heat insulating member 102 may be made of nylon, thereby effectively blocking the spread of heat. It should be noted that in other embodiments, the heat insulating member 102 may be made of other materials and may be configured according to actual conditions, which will not be described in detail herein.

[0080] For some examples, see Figure 10 , the heat sink 101 may include a heat sink.

[0081] In some embodiments, see Figure 11 and Figure 12The nozzle assembly 3 includes a throat fitting 301, a heat-conducting pipe fitting 302, a nozzle fitting 303, and a locking fitting 304. The throat fitting 301, heat-conducting pipe fitting 302, and nozzle fitting 303 are sequentially fixed in a first direction, wherein the throat fitting 301 is inserted through the heat dissipation assembly 1. The locking fitting 304 is fixed to the outer periphery of the heat-conducting pipe fitting 302 and inserted through the clamping hole 2011. In other words, the locking assembly 2 is in direct contact with the locking fitting 304. During installation and removal, the locking assembly 2 directly tightens or loosens the locking fitting 304, thereby effectively protecting the heat-conducting pipe fitting 302.

[0082] As an embodiment, the locking tube 304 is detachably fixed to the heat-conducting tube 302. When the locking tube 304 is damaged due to long-term use, the locking tube 304 can be replaced separately, thereby extending the service life of the overall structure and reducing the cost of use.

[0083] As an example, please refer to Figure 5 、 Figure 6 and Figure 12 The locking pipe 304 can be threadedly connected to the heat conducting pipe 302, which not only has a simple structure but also is easy to assemble and disassemble.

[0084] For some examples, see Figure 5 、 Figure 6 and Figure 12 The locking tube 304 is provided with a threaded hole that passes through the locking tube 304 along the first direction. Correspondingly, the outer periphery of the connection between the heat conducting tube 302 and the locking tube 304 is provided with an external thread that matches the threaded hole.

[0085] It should be noted that, in other embodiments, the locking tube 304 and the heat-conducting tube 302 may be connected and fixed in other ways, which can be set according to actual conditions and will not be described in detail here.

[0086] As an embodiment, the heat-conducting pipe 302 and the nozzle component 303 are interference-fitted, thereby improving the structural stability of the nozzle assembly 3 .

[0087] In some examples, the heat conducting pipe 302 can be made of copper, which has good heat conduction effect. It should be noted that in other embodiments, the heat conducting pipe 302 can be made of other materials and can be set according to actual conditions, which will not be described in detail here.

[0088] As an implementation, please refer to Figure 5 、 Figure 6 、 Figure 11 and Figure 12The nozzle assembly 3 also includes a heat dissipation pipe 305, which is detachably fixed to the outer periphery of the throat pipe 301. The heat dissipation pipe 305 is arranged between the heat dissipation element 101 and the throat pipe 301. It can not only effectively protect the throat pipe 301 and solve the problem of damage to the throat pipe 301 after long-term use, but also the heat dissipation pipe 305 is in close contact with the heat dissipation element 101 and the throat pipe 301 respectively, which can ensure that the heat of the throat pipe 301 can be quickly dissipated through the heat dissipation element 101.

[0089] As an example, the heat dissipation pipe 305 is arranged on the outer periphery of the throat fitting 301 along the first direction, and the heat dissipation pipe 305 and the throat fitting 301 are interference fit, which not only makes the connection more secure, but also allows the heat of the throat fitting 301 to be transferred to the heat dissipation component 101 more quickly and effectively through the heat dissipation pipe 305.

[0090] In some examples, the heat dissipation pipe 305 can be made of copper, which has a good heat dissipation effect. It should be noted that in other embodiments, the heat dissipation pipe 305 can be made of other materials and can be set according to actual conditions, which will not be described in detail here.

[0091] In some embodiments, see Figures 1 to 6 The nozzle module further includes a heating component 4, which is sleeved on the heat-conducting pipe 302. The heating component 4 is used to heat the consumables passing through the heat-conducting pipe 302, so that the nozzle component 303 can extrude the molten consumables.

[0092] As an embodiment, the heating component 4 is detachably fixed to the nozzle component 3. When the nozzle component 3 is quickly disassembled, the heating component 4 and the nozzle component 3 are disassembled as a whole, that is, the heating component 4 is separated from the nozzle module together with the nozzle component 3.

[0093] As an example, please refer to Figure 5 and Figure 6 The heat-conducting pipe 302 may include a pipe portion 3021 and a second flange portion 3022. The second flange portion 3022 is circumferentially protruding from the pipe portion 3021. The second flange portion 3022 is disposed at one end of the pipe portion 3021 that is close to the nozzle member 303. The locking pipe 304 is threadedly connected to the end of the pipe portion 3021 that is away from the second flange portion 3022, thereby securing the heating assembly 4 between the second flange portion 3022 and the locking pipe 304.

[0094] In some embodiments, see Figure 5 and Figure 6 The heating assembly 4 includes a heating element 401. The heating element 401 is constructed as a cylindrical structure sleeved outside the heat-conducting pipe 302. The heating element 401 is used to heat the heat-conducting pipe 302, thereby effectively heating the consumables to a molten state.

[0095] As an example, the heating element 401 can be an annular ceramic ring. The annular ceramic ring is used to heat the heat-conducting pipe 302. On the basis of achieving quick disassembly, it can also make the heat transfer efficiency more efficient and make the heat-conducting pipe 302 heated more evenly, thereby solving the problem of uneven heating of the nozzle assembly 3.

[0096] As an implementation, please refer to Figure 5 and Figure 6 The heating component 4 may further include a protective shell 402, which at least covers the outside of the heating element 401 to prevent heat leakage, thereby not only ensuring the heating effect but also being safer.

[0097] As an implementation manner, in order to better control the heating effect, the heating component 4 may further include a temperature sensor 403 .

[0098] As an example, please refer to Figure 6 A mounting hole 30221 may be provided on the second flange portion 3022, and the temperature sensor 403 may be partially inserted into the mounting hole 30221, which not only facilitates installation but also makes the spatial layout more reasonable and is more conducive to miniaturization of the nozzle module.

[0099] The 3D printer according to the embodiment of the present application includes the nozzle module provided by any of the above embodiments.

[0100] In the embodiment of the present application, the width of the opening 2012 in the second direction can be changed by rotating the knob 202, thereby changing the aperture of the clamping hole 2011, so that the clamping ring 201 can clamp or release the nozzle assembly 3 inserted into the clamping hole 2011. This not only enables quick installation and quick removal with one twist, but also simplifies the installation and removal processes and does not require the use of other tools, thereby improving installation and removal efficiency. In addition, the locking assembly 2 can securely fix the nozzle assembly 3 to the heat dissipation assembly 1, solving the problem of the nozzle assembly 3 rotating and / or moving up and down during movement, and achieving reliable fixation of the nozzle assembly 3.

[0101] In some embodiments, the 3D printer further includes a base (not shown), and the heat sink 101 of the heat dissipation assembly 1 is connected to the base via a pressure collection component 5 , which can collect pressure signals provided by the heat sink 101 .

[0102] As an example, please refer to Figures 1 to 6 The pressure collection member 5 may be a strain gauge. The heat sink 101 and the pressure collection member 5 are fixedly connected by screws or other threaded connectors, and the pressure collection member 5 is fixed to the base by screws or other threaded connectors.

[0103] In some embodiments, see Figure 6The 3D printer further includes a limiter 6. The heat dissipation assembly 1 is further connected to the base via the limiter 6. The limiter 6 and the pressure collection member 5 are respectively arranged at both ends of the heat dissipation assembly 1 in the first direction, thereby effectively preventing the nozzle module from shaking during high-speed movement.

[0104] As an optional embodiment, the limit member 6 can be threadedly connected to the base, and the limit member 6 is inserted into the heat sink 101 of the heat sink assembly 1 along the first direction, which is not only convenient for installation, but also can effectively limit the heat sink assembly 1, making the heat sink assembly 1 more secure and stable to install.

[0105] The technical features of the above embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0106] The above embodiments merely represent preferred embodiments of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person skilled in the art may make various modifications and improvements without departing from the spirit of the present application, all of which fall within the scope of protection of the present application. Therefore, the scope of protection of the present patent application shall be determined by the appended claims.

Claims

1. Nozzle module, characterized in that, include: heat dissipation components; a locking assembly comprising a clamping ring fixed to the heat dissipation assembly and a knob connected to the clamping ring, the clamping ring having a clamping hole and an opening extending therethrough in a first direction, the opening being connected to the clamping hole, and the clamping ring further comprising a first fixed abutting portion and a second fixed abutting portion provided on both sides of the opening in a second direction perpendicular to the first direction; and a nozzle assembly, sequentially passing through the clamping hole and the heat dissipation assembly along the first direction; The knob member can rotate relative to the clamping ring member around the first axis to squeeze or release the second fixed abutting portion along the second direction, so that the clamping ring member clamps or releases the nozzle assembly.

2. The nozzle module according to claim 1, wherein: The first axis is perpendicular to the second direction.

3. The nozzle module according to claim 1, wherein: The clamping ring is elastic. When the knob releases the second fixed abutting portion, the clamping ring can release the nozzle assembly under the action of its own elasticity.

4. The nozzle module according to claim 1, wherein: The locking assembly further includes a gasket arranged between the knob component and the clamping ring component.

5. The nozzle module according to claim 1, wherein: The knob member includes a rotating abutting portion that can rotate around the first axis to squeeze or release the second fixed abutting portion along the second direction. The rotating abutting portion is an eccentric cam structure, and the center line of the eccentric cam structure is eccentrically arranged relative to the first axis.

6. The nozzle module according to claim 5, wherein: The knob member further includes a handle portion protruding from the rotation supporting portion in the circumferential direction.

7. The nozzle module according to claim 5, wherein: The locking assembly further includes a first connecting member, the first connecting member including a rod portion extending along the second direction and a first flange portion formed at one end of the rod portion, the other end of the rod portion being sequentially passed through the first fixed abutting portion and the second fixed abutting portion and connected to the rotating abutting portion; Wherein, one end of the first fixed abutting portion facing away from the second fixed abutting portion in the second direction abuts against the first flange portion, and the rotatable abutting portion can rotate relative to the rod portion around the first axis.

8. The nozzle module according to claim 7, wherein: The rotating abutting portion is provided with a first assembly hole with the first axis as an axis, and the rotating abutting portion is further provided with an avoidance groove arranged around the first axis and connected to the first assembly hole; The locking assembly further includes a second connecting member, which is inserted into the first assembly hole; The first connecting member is passed through the avoidance groove and is fixed to the second connecting member.

9. The nozzle module according to claim 8, wherein: A second assembly hole extending radially along the second connection member is formed on the circumference of the second connection member, the first connection member is threadedly connected to the second assembly hole, and the second connection member is further formed with a third assembly hole having the first axis as an axis, the third assembly hole being connected to the second assembly hole; The locking assembly further includes a fastener threadedly connected to the third assembly hole, and the fastener is used to tightly press against the first connecting member connected to the second assembly hole.

10. The nozzle module according to claim 1, wherein: The clamping ring also includes a ring portion and two fixing portions symmetrically arranged about the ring portion; The ring portion has the clamping hole and the opening; One end of the fixing portion is formed on the ring portion, and the other end of the fixing portion extends along the circumference of the ring portion with a gap therebetween. Furthermore, the other end of the fixing portion is detachably fixed to the heat dissipation assembly.

11. The nozzle module according to claim 10, wherein: The heat dissipation assembly includes a heat dissipation component, two heat insulation components and two fixing components; The two heat insulating members are symmetrically arranged on both sides of the heat dissipating member in the second direction, and the fixing members are sequentially passed through the corresponding fixing portions and the heat insulating members and fixed to the heat dissipating member; The nozzle assembly is disposed through the heat sink.

12. The nozzle module according to claim 1, wherein: The nozzle assembly includes a throat pipe, a heat-conducting pipe and a nozzle piece connected in sequence in the first direction, the throat pipe is passed through the heat dissipation assembly, and the nozzle assembly also includes a locking pipe fixed to the outer periphery of the heat-conducting pipe, and the locking pipe is passed through the clamping hole.

13. The nozzle module according to claim 12, wherein: The nozzle module further includes a heating component, and the heating component is sleeved outside the heat-conducting pipe.

14. The nozzle module according to claim 13, wherein: The heat-conducting pipe comprises a pipe portion and a second flange portion circumferentially protruding from the pipe portion, wherein the second flange portion is provided at one end of the pipe portion close to the nozzle member; The locking pipe is threadedly connected to an end of the pipe away from the second flange; The heating component is arranged between the second flange portion and the locking tube.

15. A 3D printer, characterized in that: Comprising the nozzle module according to any one of claims 1 to 14.

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