US-20260124803-A1 - NOZZLE MODULE AND THREE-DIMENSIONAL PRINTER

US20260124803A1US 20260124803 A1US20260124803 A1US 20260124803A1US-20260124803-A1

Abstract

A nozzle module and a three-dimensional printer are provided. The nozzle module includes a heat dissipation assembly, a locking assembly, and a nozzle assembly. The rotary member can rotate relative to the clamping ring, and a width of the opening is selectively reduced or increased when the rotary member rotates relative to the clamping ring, thereby enabling the clamping ring to clamp or release the nozzle assembly. Quick assembly and quick disassembly can be achieved, the assembly and the disassembly are convenient, and the assembly efficiency and the disassembly efficiency are improved.

Inventors

Pengcheng Lv
Zhangjun Song
Sen Hou

Assignees

SHENZHEN CREALITY ECOSYSTEM TECHNOLOGY CO., LTD

Dates

Publication Date: 20260507
Application Date: 20251029
Priority Date: 20241106

Claims (20)

1 . A nozzle module, comprising: a heat dissipation assembly; a locking assembly, comprising a clamping ring fixed to the heat dissipation assembly and a rotary member connected to the clamping ring, wherein the clamping ring is provided with a clamping hole and an opening which penetrate through the clamping ring in a first direction, and the opening communicates with the clamping hole; and a nozzle assembly, passing through the clamping hole and the heat dissipation assembly in turn along the first direction, wherein the rotary member is able to rotate relative to the clamping ring, a width of the opening is selectively reduced or increased when the rotary member rotates relative to the clamping ring, thereby enabling the clamping ring to clamp or release the nozzle assembly.
2 . The nozzle module according to claim 1 , wherein the clamping ring is elastic, when the width of the opening is increased due to the rotation of the rotary member relative to the clamping ring, the nozzle assembly is able to be disconnected from the clamping ring under the action of own gravity.
3 . The nozzle module according to claim 1 , wherein the clamping ring is provided with two fixing abutting portions which are respectively formed on two sides of the opening in a second direction perpendicular to the first direction, wherein the second direction is a width direction of the opening; the rotary member comprises a rotatable abutting portion corresponding to the fixed abutting portion, the rotatable abutting portion is provided with a first mating surface, the fixed abutting portion is provided with a second mating face abutting against the corresponding first mating surface in the second direction; and the rotatable abutting portion is able to rotate relative to the fixed abutting portion to make the first mating surface press against or release the corresponding second mating surface along the second direction, thereby enabling the clamping ring to clamp or release the nozzle assembly.
4 . (canceled)
5 . The nozzle module according to claim 3 , wherein the two fixed abutting portions are a first fixed abutting portion and a second fixed abutting portion; the rotary member comprises one rotatable abutting portion, the rotatable abutting portion is arranged at one side, away from the second fixed abutting portion, of the first fixed abutting portion, and an end surface of one side, away from the second fixed abutting portion, of the first fixed abutting portion is construed as the second mating surface.
6 . The nozzle module according to claim 5 , wherein the first mating surface is a cam surface, a central axis of the cam surface is eccentrically arranged relative to a first axis perpendicular to the second direction, and relative positions of the first axis and the second fixed abutting portion are fixed; and the rotary member is able to rotate around the first axis to enable the first mating surface press against or release the second mating surface along the second direction.
7 . The nozzle module according to claim 6 , wherein the locking assembly further comprises a first connector, the first connector comprises a first rod portion extending along the second direction and a first flange portion formed at one end of the first rod portion, and the other end of the first rod portion passes through the second fixed abutting portion and the first fixed abutting portion in turn and is connected to the rotatable abutting portion; one end, away from the first fixed abutting portion, of the second fixed abutting portion in the second direction abuts against the first flange portion, and the rotatable abutting portion is able to rotate around the first axis relative to the first rod portion.
8 . The nozzle module according to claim 7 , wherein the rotatable abutting portion is provided with a first assembly hole with the first axis as an axis, the rotatable butting portion is further provided with an avoidance groove arranged around the first axis and communicating with first assembly hole; the locking assembly further comprises a second connector, and the second connector passes through the first assembly hole; and the first connector passes through the avoidance groove and is fixed to the second connector.
9 . The nozzle module according to claim 8 , wherein a circumferential direction of the second connector is provided with a second assembly hole extending along a radial direction of the second connector, the first connector is threaded to the second assembly hole, the second connector is further provided with a third assembly hole with the first axis as an axis, and the third assembly hole communicates with the second assembly hole; the locking assembly further includes a fastener threaded to the third assembly hole, and the fastener is configured to abut against the first connector of the second assembly hole.
10 . The nozzle module according to claim 3 , wherein the rotary member comprises two rotatable abutting portions spaced apart in the second direction, the two fixed abutting portions are located between the two rotatable abutting portions, at least one of the second rotatable abutting portions is able to press against or release the corresponding fixed abutting portion along the second direction, thereby making the two fixed abutting portions close to or far away from each other.
11 . The nozzle module according to claim 10 , wherein the first mating surface and the second mating surface are both wedge-shaped surfaces arranged around a second axis parallel to the second direction and extending obliquely in the second direction; the rotary member is able to rotate around the second axis to enable the first mating surface to press against or release the second mating surface along the second direction.
12 . The nozzle module according to claim 11 , wherein the rotatable abutting portion is provided with a plurality of first mating surfaces arranged around the second axis, and two adjacent first mating surfaces are connected by a first transition surface; and the fixed abutting portion is provided with a plurality of second mating surfaces arranged around the second axis, and two adjacent second mating surfaces are connected by a second transition surface.
13 . The nozzle module according to claim 11 , wherein the fixed abutting portion is provided with an accommodation hole which is arranged to face the rotatable abutting portion and takes the second axis as an axis, the second mating surface is formed in a bottom surface of the accommodation hole, and the rotatable abutting portion is rotatably connected into the accommodation hole.
14 . The nozzle module according to claim 3 , wherein the rotary member further comprises two first connecting arms which are spaced apart and symmetrically arranged in the second direction, and a second connecting arm connected to one end of each of the two connecting arms, and the other ends of the two first connecting arms are fixed with the rotatable abutting portions, respectively.
15 . The nozzle module according to claim 14 , wherein the locking assembly further comprises two second connectors symmetrically arranged in the second direction; the third connector comprises a second rod portion with the second axis as an axis, and a second flange portion formed at one end of the second rod portion, the other end of the second rod portion passes through the corresponding rotatable abutting portion and is fixed to the corresponding fixed abutting portion; and one end, away from the fixed abutting portion, of the rotatable abutting portion in the second direction abuts against the second flange portion.
16 . (canceled)
17 . The nozzle module according to claim 3 , wherein the fixed abutting portion is of a split structure, and comprises a second connecting portion and a second mating portion which are detachably fixed; the second connecting portion is fixed on one side of the opening, and the second mating surface is formed in the second mating portion; or the fixed abutting portion is of an integrated structure.
18 . The nozzle module according to claim 1 , wherein the clamping ring further comprises a ring portion, and two fixing portions symmetrically arranged about the ring portion; the ring portion is provided with the clamping hole and the opening; one end of the fixing portion is formed in the ring portion, the other end of the fixing portion extends along a circumferential direction of the ring portion and is spaced from the ring portion by a gap, and an end portion of the other end of the fixing portion and the heat dissipation assembly are detachably fixed.
19 . The nozzle module according to claim 18 , wherein the heat dissipation assembly comprises a heat dissipation member, two heat insulation members, and two fixing members; the two heat insulation members are symmetrically arranged on two sides of the heat dissipation member in a second direction perpendicular to the first direction, and the fixing member is fixed to the heat dissipation member after passing through the corresponding fixing portion and heat insulation member in turn; and the nozzle assembly passes through the heat dissipation member.
20 . The nozzle module according to claim 1 , wherein the nozzle module comprises a throat, a heat-conducting pipe and a printhead which are connected in turn in the first direction, wherein the throat passes through the heat dissipation assembly, and the nozzle assembly further comprises a locking pipe fixed to a periphery of the heat-conducting pipe, and the locking pipe passes through the clamping hole.

Description

TECHNICAL FIELD The present disclosure relates to the field of three-dimensional printing, and in particular to a nozzle module, and a three-dimensional printer. BACKGROUND Fused deposition modeling (FDM) is a method for heating and melting consumables, and then printing and stacking the consumables layer by layer to form a three-dimensional object. When a nozzle of the three-dimensional printer is blocked, the nozzle needs to be removed from the three-dimensional printer to be cleaned and then remounted. If the nozzle is blocked seriously, it even needs to be replaced, so the convenience of nozzle removal and mounting is particularly important. In a related technology, the nozzle often do not have a quick disassembly function. Even if some nozzles can be quickly disassembled, the disassembly process is complicated, and other tools are needed to achieve quick disassembly, which seriously affects the efficiency of assembly and disassembly. SUMMARY An embodiment of the present disclosure provides a nozzle module and a three-dimensional printer. Quick assembly and quick disassembly can be achieved, the assembly and the disassembly are convenient, and the assembly and dismounting efficiency is improved. In a first aspect, a three-dimensional printer provided by the embodiment of the present disclosure includes: a heat dissipation assembly;a locking assembly, including a clamping ring fixed to the heat dissipation assembly and a rotary member connected to the clamping ring, where the clamping ring is provided with a clamping hole and an opening that penetrate through the clamping ring in a first direction, and the opening communicates with the clamping hole; anda nozzle assembly, passing through the clamping hole and the heat dissipation assembly in turn along the first direction. The rotary member can rotate relative to the clamping ring, a width of the opening is selectively reduced or increased when the rotary member rotates relative to the clamping ring, thereby enabling the clamping ring to clamp or release the nozzle assembly. In some embodiments, the clamping ring is elastic, when the width of the opening is increased due to the rotation of the rotary member relative to the clamping ring, the nozzle assembly can be disconnected from the clamping ring under the action of its own gravity. In some embodiments, the clamping ring is provided with two fixed abutting portions which are respectively formed on two sides of the opening in a second direction perpendicular to the first direction, where the second direction is a width direction of the opening. The rotary member includes a rotatable abutting portion corresponding to the fixed abutting portion, the rotatable abutting portion is provided with a first mating surface, and the fixed abutting portion is provided with a second mating face abutting against the corresponding first mating surface in the second direction. The rotatable abutting portion can rotate relative to the fixed abutting portion to make the first mating surface press against or release the corresponding second mating surface along the second direction, thereby enabling the clamping ring to clamp or release the nozzle assembly. In some embodiments, the first mating surface is a cam surface; or the first mating surface and the second mating surface are mutually engaged wedge-shaped surfaces. In some embodiments, the two fixed abutting portions are a first fixed abutting portion and a second fixed abutting portion. The rotary member includes a rotatable abutting portion, the rotatable abutting portion is arranged at one side, away from the second fixed abutting portion, of the first fixed abutting portion, and an end surface of one side, away from the second fixed abutting portion, of the first fixed abutting portion is construed as the second mating surface. In some embodiments, the first mating surface is a cam surface, a central axis of the cam surface is eccentrically arranged relative to a first axis perpendicular to the second direction, and relative positions of the first axis and the second fixed abutting portion are fixed. The rotary member can rotate around the first axis to enable the first mating surface to press against or release the second mating surface along the second direction. In some embodiments, the locking assembly further includes a first connector, the first connector includes a first rod portion extending along the second direction, and a first flange portion formed at one end of the first rod portion, the other end of the first rod portion penetrates through the second fixed abutting portion and the first fixed abutting portion in turn and is connected to the rotatable abutting portion. One end, away from the first fixed abutting portion, of the second fixed abutting portion in the second direction abuts against the first flange portion, and the rotatable abutting portion can rotate around the first axis relative to the first rod portion. In some embodiments, the rot