CN-119795562-B - Structure for heating hot bed

CN119795562BCN 119795562 BCN119795562 BCN 119795562BCN-119795562-B

Abstract

The invention relates to the field of printers and discloses a hot bed heating structure which comprises a hot bed mounting frame and a hot bed body, wherein the hot bed mounting frame is at least used for fixedly mounting the hot bed body on a 3D printer and realizing bidirectional movement of the hot bed body, a plurality of tightness adjusting assemblies are arranged on two sides of the bottom of the hot bed mounting frame and are at least used for adjusting clamping force of the hot bed body, a plurality of leveling mechanisms are arranged on two sides of the top of the hot bed mounting frame and are at least used for adjusting flatness of the hot bed body, a heating module is arranged at the bottom of the hot bed body and is at least used for uniformly heating the hot bed body and keeping the hot bed body in a constant-temperature state, and a heat preservation piece coated outside the heating module is arranged at the bottom of the hot bed body. The tightness adjusting component and the leveling mechanism adopted by the invention can level the hot bed, ensure that the hot bed has better flatness, and improve the quality of 3D printing of products.

Inventors

LI ZHONGHUA
Hong Yingsheng
HE GUIHUA
SHEN ZHENYU

Assignees

深圳市智能派科技有限公司

Dates

Publication Date: 20260505
Application Date: 20241213

Claims (6)

1. The structure for heating the hot bed comprises a hot bed mounting frame (1) and a hot bed body (2), and is characterized in that the hot bed mounting frame (1) is at least used for fixedly mounting the hot bed body (2) on a 3D printer and realizing unidirectional movement of the hot bed body (2); The hot bed installation frame comprises a hot bed installation frame (1), wherein a plurality of tightness adjusting assemblies (3) are arranged on two sides of the bottom of the hot bed installation frame (1), the tightness adjusting assemblies (3) are at least used for adjusting clamping force of the hot bed body (2), each tightness adjusting assembly (3) comprises an installation hole (31) arranged on the hot bed installation frame (1), a lining ring (32) is inserted into internal threads of the installation holes (31), a rotary table (33) is fixedly arranged on the outer wall of the bottom of the lining ring (32), and a compression spring (34) is fixedly inserted into the lining ring (32); The leveling mechanism (4) is at least used for adjusting the flatness of the hot bed body (2), wherein the leveling mechanism (4) comprises a through hole (41) arranged on the hot bed mounting frame (1), a thread bush (42) arranged above the through hole (41) is arranged at the top of the hot bed mounting frame (1), an adjusting screw rod (43) is inserted into the internal thread of the thread bush (42), an operation head (44) is fixedly arranged at the top end of the adjusting screw rod (43), a spherical groove (45) is arranged at the bottom end of the adjusting screw rod (43), a positioning ball (46) is arranged in the spherical groove (45), and a sinking groove matched with the positioning ball (46) is arranged at the top of the hot bed body (2); the heating module (5) is arranged at the bottom of the hot bed body (2), and the heating module (5) is at least used for uniformly heating the hot bed body (2) and keeping the hot bed body (2) in a constant temperature state, wherein the heating module (5) is fixedly arranged on the back of the aluminum substrate (21), the heating module (5) is composed of a plurality of unit modules distributed at equal intervals, and each unit module is of a serial structure; The bottom of the hot bed body (2) is provided with a heat preservation piece (6) coated outside the heating module (5), and the heat preservation piece (6) is at least used for preserving the heating temperature of the heating module (5) and reducing the heat loss of the hot bed body (2).
2. The structure for heating a hot bed according to claim 1, wherein the hot bed mounting frame (1) comprises a bottom plate (11), integrally formed curled edges (13) are arranged on the outer walls of two sides of the bottom plate (11), and a connecting shaft sleeve (12) is fixedly arranged on the outer wall of the bottom plate (11).
3. A hot bed heating structure according to claim 2, characterized in that the cross-sectional shape of the bead (13) is C-shaped and the cavity height inside the bead (13) is 1-2cm.
4. The structure for heating the hot bed according to claim 1, wherein sockets are formed on the outer walls of the two sides of the hot bed mounting frame (1), limiting pieces (7) are inserted into the sockets in a sliding mode, and the limiting pieces (7) are composed of a flat plate and a handle.
5. The structure for heating a hot bed according to claim 1, wherein the hot bed body (2) comprises an aluminum substrate (21), a spring steel plate (22) is arranged on the front surface of the aluminum substrate (21), and a piece of textured paper (23) can be adhered to the front surface of the spring steel plate (22), and a magnetic suction plate (24) can be adsorbed to the front surface of the spring steel plate (22).
6. The heating structure of the hot bed according to claim 1, wherein the hot bed body (2) further comprises a temperature monitoring module and a temperature display and alarm module.

Description

Structure for heating hot bed Technical Field The invention relates to the technical field of printers, in particular to a structure for heating a hot bed. Background The FDM3D printer is a machine which is based on a digital model file, uses special wax materials, powdery metals or plastic and other bondable materials, and prints a layer of bonding materials to manufacture the FDM3D model. In the process of FDM3D printing, when the printing head of the FDM3D printer extrudes and is in a molten state and can adhere to the printing platform, the temperature of the printing platform is too low, the printing platform is affected by thermal expansion and contraction, and the printed FDM3D model is easily caused to easily generate a edge warping phenomenon, so that the printing quality is affected. In order to solve this problem, most FDM3D printers currently add a thermal bed to the printing platform, and the printing platform is kept at a certain temperature by the thermal bed. The currently used hot bed still has problems in flatness, heating and taking, and aiming at three factors influencing printing effect caused by the hot bed, a better solution is lacking, so that a structure for heating the hot bed is needed to solve the problems. Disclosure of Invention The present invention is directed to a heating structure of a hot bed, so as to solve the above-mentioned problems in the prior art. In order to achieve the above purpose, the present invention provides the following technical solutions: The hot bed heating structure comprises a hot bed mounting frame and a hot bed body, wherein the hot bed mounting frame is at least used for fixedly mounting the hot bed body on a 3D printer and realizing bidirectional movement of the hot bed body; Two sides of the bottom of the hot bed mounting frame are provided with a plurality of tightness adjusting components, and the tightness adjusting components are at least used for adjusting clamping force of the hot bed body; A plurality of leveling mechanisms are arranged on two sides of the top of the hot bed mounting frame, and the leveling mechanisms are at least used for adjusting the flatness of the hot bed body; the bottom of the hot bed body is provided with a heating module which is at least used for uniformly heating the hot bed body and keeping the hot bed body in a constant temperature state; the bottom of the hot bed body is provided with a heat preservation piece coated outside the heating module, and the heat preservation piece is at least used for preserving the heating temperature of the heating module, so that the heat loss of the hot bed body is reduced. Further, the hot bed mounting frame comprises a bottom plate, the outer walls of the two sides of the bottom plate are provided with integrally formed curled edges, and the outer wall of the bottom plate bottom is fixedly provided with a connecting shaft sleeve. Further, the cross-sectional shape of the bead is C-shaped, and the height of the cavity inside the bead is 1-2cm. Further, the outer walls of the two sides of the hot bed installation frame are respectively provided with a socket, a limiting piece is inserted in the socket in a sliding mode, and the limiting piece is composed of a flat plate and a handle. Further, the hot bed body comprises an aluminum substrate, a spring steel plate is arranged on the front surface of the aluminum substrate, the front surface of the spring steel plate can be stuck with textured paper, and the front surface of the spring steel plate can be also adsorbed with a magnetic attraction plate. Further, the heating module is fixedly arranged on the back surface of the aluminum substrate, the heating module is composed of a plurality of unit modules distributed at equal intervals, and each unit module is of a serial structure. Further, elasticity adjusting part is including setting up the mounting hole on the hot bed mounting bracket, the inside screw thread grafting of mounting hole has the backing ring, fixedly be provided with the carousel on the outer wall of backing ring bottom, the inside fixed grafting of backing ring has compression spring. Further, the leveling mechanism comprises a through hole arranged on the hot bed installation frame, a thread bush positioned above the through hole is arranged at the top of the hot bed installation frame, an adjusting screw rod is inserted into the internal thread of the thread bush, and an operation head is fixedly arranged at the top end of the adjusting screw rod. Further, the bottom end of the adjusting screw rod is provided with a ball-shaped groove, a positioning ball is arranged in the ball-shaped groove, and a sinking groove matched with the positioning ball is formed in the top of the hot bed body. Further, the hot bed body also comprises a temperature monitoring module and a temperature display and alarm module. Compared with the prior art, the invention has the following beneficial effects: According to the structure