CN-121733807-B - Stable shock attenuation bearing structure of precision of 3D printer

Abstract

The invention relates to the technical field of shock absorption, and discloses a precision stable shock absorption supporting structure of a 3D printer, which comprises a printing mechanism, a first hydraulic device, a control panel, a printing table and a main body frame, wherein a stress structure is balanced left and right under the support of a blocking plate, the stress structure generates a prizing acting force in the anticlockwise direction on the blocking plate, the force of the prizing acting force on the stress structure is supported by the blocking plate, and the vibration generated in the moving process of the stress structure is absorbed, the effect that the supporting printing head moved and absorbed vibration is formed, and the atress strip supports under the elasticity of elastic layer in the casing inboard, absorbs resonance force when making atress strip and the inboard movable friction of casing through the elasticity of elastic layer to the shock attenuation pole absorbs the vibration force of leading truck lift activity on the pole, has avoided producing vibration influence to printing head horizontal and vertical movement, prevents to print inaccurate problem when friction resonance influences printing head 3D printing product.

Inventors

• CHEN DAOXUN

Assignees

• 泉州扶摇新型材料科技有限公司

Dates

Publication Date

20260508

Application Date

20260302

Claims (2)

1. 1. The utility model provides a 3D printer's stable shock attenuation bearing structure of precision, its characterized in that includes printing mechanism, first hydraulic press, control panel, print table and main part frame, control panel sets up in main part frame outer end, printing mechanism installs in main part frame inside, and print table fixed setting is in main part frame inside, and print table corresponds printing mechanism below position, first hydraulic press sets up in main part frame bottom, and first hydraulic press output connection print mechanism lower extreme, control panel passes through the hydraulic telescoping of electric signal control first hydraulic press, drives printing mechanism and slides along main part frame inboard through first hydraulic press output and go up and down; The printing mechanism is provided with two damping mechanisms, two moving mechanisms, a guide frame, rolling plates and guide rails, wherein the damping mechanisms are symmetrically distributed on the inner sides of the guide frame, the rolling plates are correspondingly arranged in the two damping mechanisms, extend to the left side and the right side of the moving mechanism for pulling and translating, the left end and the right end of the guide rail are correspondingly connected to the side surfaces of the two damping mechanisms, the rolling plates pull the moving mechanisms in the damping mechanisms, and the moving mechanisms keep a vertically downward state and horizontally move on the inner sides of the guide rails; The moving mechanism is provided with a printing head, a stress structure, a blocking plate and a connecting plate, the connecting plate is obliquely connected to the side face of the printing head, the connecting plate is connected to the outer end of the stress structure, the blocking plate is fixed to the side face of the guide rail through threads, the inner side of the blocking plate supports the stress structure to resist the guide rail, the stress structure is enabled to resist the inner side of the guide rail to slide, and the stress structure forms lever balance at the inner side of the guide rail under the gravity of the printing head; The stress structure is provided with a round bar, a stress block and an elastic plate, the left end of the stress block is connected with a connecting plate, the round bar is arranged on the side surface of the stress block and slides corresponding to the inner side of the guide rail, the elastic plate is fixed on the inner side of the blocking plate, the side surface of the stress block slides corresponding to the surface of the elastic plate, the stress block is propped against the inner side of the guide rail through the round bar under the elasticity of the elastic plate, and the stress block supports the gravity of the printing head at the left end of the connecting plate by taking the round bar as a center point; The elastic plate is provided with a sliding bar, a supporting plate and a spring, the sliding bar is arranged on the side surface of the supporting plate, the side surface of the supporting plate is provided with the spring connected to the side surface of the blocking plate, the sliding bar is propped against the side surface of the stress block through the elasticity of the spring, the stress block slides on the surface of the sliding bar, and vibration force generated by translation of the stress block is transmitted to the spring for elastic absorption; The utility model discloses a motor drive mechanism, including the guide frame, including the shock attenuation mechanism, the shock attenuation mechanism is equipped with casing, telescopic link, second hydraulic press, shock attenuation pole and motor, the second hydraulic press is fixed inside the guide frame, the telescopic link is located second hydraulic press output position, and the telescopic link corresponds fixed connection casing side, the shock attenuation pole is parallel to be fixed in the roll up board side, the casing slides in the shock attenuation pole outside, the motor is located the casing inboard, and rolls up the board and connect at the motor output, through the inside motor of control panel signal drive two casings, two motor output correspond reverse rolling and roll up the board to make roll up board pulling mobile mechanism sliding translation in the guide rail.
2. 2. The precision stabilizing and shock absorbing support structure of a 3D printer according to claim 1, wherein the shock absorbing rod is provided with a stress bar, an elastic layer and a supporting rod, the bottom of the stress bar is fixed inside the elastic layer, the elastic layer is attached to the outer side of the supporting rod, the supporting rod is fixed on the inner side of the guide frame, the stress bar is annularly distributed with the supporting rod as a center, the shell slides at the top end of the stress bar, and the stress bar is enabled to be propped against the inner side of the shell under the elasticity of the elastic layer.

Description

Stable shock attenuation bearing structure of precision of 3D printer Technical Field The invention relates to the technical field of shock absorption, in particular to a precision stable shock absorption supporting structure of a 3D printer. Background When the 3D printer prints the product, the material is discharged through transverse and longitudinal movement, the material is rapidly cooled to form a 3D stereoscopic product, in the 3D printing process, a spray head (an extruder) needs to perform high-speed and frequent reciprocating motion in the X, Y axis direction, strong mechanical vibration can be generated during rapid acceleration and deceleration, and a damping supporting structure is arranged on the 3D printer mainly for suppressing vibration generated during high-speed operation of ‌, so that printing precision is guaranteed, printing quality is improved, and influence of noise on the use environment is reduced. The patent of the high-precision 3D printer with the shock-absorbing structure in the prior patent application No. CN201920556737.X mentions that a spring shock-absorbing mode is adopted to buffer vibration force, the whole printer is damped and protected, but in the printing process, transverse and longitudinal movement and high lifting are needed, and gap friction is easy to be generated at a sliding position supported by a guide rail in the transverse and longitudinal movement process, and the gap friction forms resonance to directly act on a printing nozzle, so that the shock absorption can not be carried out at a direct printing position, the accuracy of a printed product is affected, in the printing lifting process, lifting is needed to move along the guide rail, stability is provided for high lifting, and certain vibration is easily generated for transverse and longitudinal movement of the upper end printing nozzle along the movement of the guide rail, so that the lifting is unstable. Disclosure of Invention The invention provides a precision stable shock absorption supporting structure of a 3D printer, which overcomes the defects described in the background art. The technical scheme adopted for solving the technical problems is as follows: The utility model provides a 3D printer's stable shock attenuation bearing structure of precision, includes printing mechanism, first hydraulic press, control panel, print table and main part frame, control panel sets up at main part frame outer end, printing mechanism installs inside the main part frame, and print table fixed setting is in main part frame inside, and print table corresponds printing mechanism below position, first hydraulic press sets up in main part frame bottom, and printing mechanism lower extreme is connected to first hydraulic press output, control panel passes through electric signal control first hydraulic press hydraulic expansion, drives printing mechanism and slides along main part frame inboard through first hydraulic press output and goes up and down; The printing mechanism is provided with two damping mechanisms, two moving mechanisms, a guide frame, rolling plates and guide rails, wherein the damping mechanisms are symmetrically distributed on the inner sides of the guide frame, the rolling plates are correspondingly arranged in the two damping mechanisms, extend to the left side and the right side of the moving mechanism for pulling and translating, the left end and the right end of the guide rail are correspondingly connected to the side surfaces of the two damping mechanisms, the rolling plates pull the moving mechanisms in the damping mechanisms, and the moving mechanisms keep a vertically downward state and horizontally move on the inner sides of the guide rails; The moving mechanism is provided with a printing head, a stress structure, a blocking plate and a connecting plate, the connecting plate is obliquely connected to the side face of the printing head, the connecting plate is connected to the outer end of the stress structure, the blocking plate is fixed to the side face of a guide rail through threads, the inner side of the blocking plate supports the stress structure to resist the guide rail, the stress structure is enabled to resist the inner side of the guide rail to slide, and the stress structure forms lever balance on the inner side of the guide rail under the gravity of the printing head. Still further, the atress structure is equipped with round bar, atress piece and elastic plate, atress piece left end is connected with the connecting plate, the round bar sets up in atress piece side, and the round bar corresponds the inboard slip of guide rail, the elastic plate is fixed in the baffle inboard, and the atress piece side corresponds the elastic plate surface slip, the atress piece supports the pressure at the guide rail inboard through the round bar under the elasticity of elastic plate to make the atress piece use the round bar to support the gravity of connecting plate left end print head a