CN215882607U

CN215882607U - Be applied to motion in multi-functional 3D printer

Info

Publication number: CN215882607U
Application number: CN202122296029.7U
Authority: CN
Inventors: 阴天龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-02-22
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a movement mechanism applied to a multifunctional 3D printer, and relates to the technical field of rapid forming. Including X axle mechanism, Y axle mechanism and Z axle mechanism, X axle mechanism both ends and Y axle mechanism sliding connection, be equipped with Z axle mechanism between the Y axle mechanism both ends sliding connection has U type frame in the X axle mechanism, installs the FDM module above this U type frame, and the side is fixed with laser engraving module X axle mechanism below is equipped with FDM print platform, and this FDM print platform is fixed in on the movable cross beam, the movable cross beam bottom is connected with LCD print platform, and this LCD print platform below is equipped with the LCD module, movable cross beam both sides and Z axle mechanism sliding connection. On the premise of ensuring that the work of each part is not influenced, the overall structure is firmer and more stable, so that a high-precision product is obtained; the existing space is fully utilized, the overall volume is reduced as much as possible, and a proper amount of large printing space is obtained, so that the material cost of the equipment is reduced.

Description

Be applied to motion in multi-functional 3D printer

Technical Field

The utility model relates to the technical field of rapid prototyping, in particular to a movement mechanism applied to a multifunctional 3D printer.

Background

The 3D printing technology has a history of over 30 years since its birth, and related technologies have been developed rapidly to date. However, it still has many disadvantages, such as:

1. due to the fact that the threshold of the 3D printing technology is high, products cannot always go into thousands of households and cannot be widely popularized in the market, and finally the cost of single equipment is high;

2. 3D printing equipment on the market has single function and lacks competitiveness; therefore, only a plurality of devices can be used to meet the requirements, thereby increasing the manufacturing cost of the devices.

3. In the 3D printing technology, currently, the mainstream selective area light curing technology (LCD for short), the fused deposition rapid prototyping technology (FDM for short) and the laser engraving technology outside the 3D printing technology are not well integrated into one device all the time, and the main reasons are that the device size is too large, the movement mechanism is too complex, and the modules can affect each other during operation, which is difficult to solve.

SUMMERY OF THE UTILITY MODEL

To prior art have above-mentioned problem, the application provides a motion applied to in multi-functional 3D printer, and its structure is more firm, stable, and the current space of make full use of makes the equipment volume reduce as far as possible.

In order to achieve the purpose, the technical scheme of the application is as follows: be applied to motion in multi-functional 3D printer, including X axle mechanism, Y axle mechanism and Z axle mechanism, X axle mechanism both ends and Y axle mechanism sliding connection, be equipped with Z axle mechanism between the Y axle mechanism both ends sliding connection has U type frame in the X axle mechanism, installs the FDM module above this U type frame, and the side is fixed with laser engraving module X axle mechanism below is equipped with FDM print platform, and this FDM print platform is fixed in on the movable cross beam, the movable cross beam bottom is connected with LCD print platform, and this LCD print platform below is equipped with the LCD module, movable cross beam both sides and Z axle mechanism sliding connection.

Further, X axle mechanism is including slider an and the slider b that the symmetry set up install X axle step motor on the slider b, be equipped with gear X on this X axle step motor's the output shaft, gear X passes through X axle hold-in range and links to each other with fixed pulley X, fixed pulley X installs on slider a, and the symmetry is equipped with X axle straight line optical axis between slider an and slider b, and sliding connection has U type frame on this X axle straight line optical axis, U type frame and X axle hold-in range top one side fixed connection.

Furthermore, the Y-axis mechanism comprises Y-axis synchronous belts symmetrically arranged on the front side and the rear side of the X-axis mechanism, one end of each Y-axis synchronous belt is connected to a fixed pulley Y in a sleeved mode, the other end of each Y-axis synchronous belt is connected to a gear Y in a sleeved mode, the gear Y is installed on the transmission shaft, a fixed gear is further arranged on the transmission shaft, and the fixed gear is connected with a gear on an output shaft of the Y-axis stepping motor through the synchronous belts.

Furthermore, Z axle mechanism is including the symmetry setting ball at the X axle mechanism left and right sides, ball bottom is connected with Z axle step motor through the shaft coupling, and ball still passes through screw nut and Z axle layer board sliding connection, be connected with movable beam between the Z axle layer board.

Further, a mounting plate is fixed on the side wall of the sliding block a, vertical plates are symmetrically arranged on the mounting plate, a fixing shaft is arranged between the end portions of the vertical plates, and a fixed pulley X is sleeved on the fixing shaft.

Furthermore, one side of the bottom of the Y-axis belt is fixedly connected with the corresponding sliding block a and the sliding block b respectively.

Furthermore, Z-axis linear optical axes are arranged on two sides of the ball screw and are connected with the Z-axis supporting plate in a sliding mode.

Furthermore, the Y-axis mechanism is fixed on a metal plate at the top of the equipment shell, the Z-axis mechanism is fixed on the aluminum profile frame, the equipment shell and the metal plate are fixed on the outer wall of the aluminum profile frame, and an opening and closing door is arranged on one side of the equipment shell.

As a further step, a Y-axis linear optical axis is arranged below two ends of the transmission shaft, and the sliding block a and the sliding block b slide on the corresponding Y-axis linear optical axis.

Due to the adoption of the technical scheme, the utility model can obtain the following technical effects: the application combines the selective area light-curing technology (LCD module) with the fused deposition rapid prototyping technology (FDM module) and the laser engraving technology (laser engraving module). On the premise of ensuring that the work of each part is not influenced, the overall structure is firmer and more stable, so that a high-precision product is obtained; the existing space is fully utilized, the total volume is reduced as much as possible, and a proper amount of large printing space is obtained (if the printing product is too large, the printing time is only exponentially increased, the service life of the equipment is shortened, the product quality is not facilitated, and therefore the proper amount of printing space is good), so that the material cost of the equipment is reduced.

The FDM module and the laser engraving module share an X-axis mechanism and a Y-axis mechanism, and the FDM module and the LCD module share a Z-axis mechanism. The multifunctional combined shoe not only realizes the combination of multiple functions, but also reduces unnecessary structures and materials and saves space.

Drawings

FIG. 1 is a schematic view of the interior of a motion mechanism used in a multi-function 3D printer;

FIG. 2 is an external view of a movement mechanism applied to the multi-function 3D printer;

the sequence numbers in the figures illustrate: the device comprises a 1-Z-axis stepping motor, a 2-coupler, a 3-ball screw, a 4-X-axis stepping motor, a 5-FDM printing platform, a 6-Z-axis linear optical axis, a 7-Y-axis stepping motor, an 8-Y-axis linear optical axis, a 9-bearing, a 10-fixed gear, an 11-Y-axis synchronous belt, a 12-transmission shaft, a 13-fixing piece, a 14-U-shaped frame, a 15-FDM module, a 16-X-axis synchronous belt, a 17-sliding block a, an 18-X-axis linear optical axis, a 19-laser engraving module, a 20-Z-axis supporting plate, a 21-moving beam, a 22-sliding block b, a 23-LCD printing platform, a 24-LCD module, a 25-device shell, a 26-metal plate, a 27-connecting angle piece and a 28-aluminum profile frame.

Detailed Description

The embodiments of the present invention are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following embodiments.

Example 1

As shown in fig. 1-2, the motion mechanism applied to the multifunctional 3D printer comprises an X-axis mechanism, a Y-axis mechanism and a Z-axis mechanism which are positioned in a device shell; the X-axis mechanism is connected with a U-shaped frame in a sliding mode, an FDM module is installed on the U-shaped frame, a laser engraving module is fixed to the side face of the U-shaped frame, an FDM printing platform is arranged below the X-axis mechanism and fixed on a movable cross beam, an LCD printing platform is connected to the bottom of the movable cross beam, an LCD module is arranged below the LCD printing platform, and two sides of the movable cross beam are connected with a Z-axis mechanism in a sliding mode.

X axle mechanism is including slider an and the slider b that the symmetry set up install X axle step motor on the slider b, be equipped with gear X on this X axle step motor's the output shaft, gear X passes through X axle hold-in range and links to each other with fixed pulley X, fixed pulley X is installed on slider an, and the symmetry is equipped with X axle straight line optical axis between slider an and slider b, and sliding connection has U type frame on this X axle straight line optical axis, U type frame and X axle hold-in range top one side fixed connection. Preferably, a mounting plate is fixed on the side wall of the sliding block a, vertical plates are symmetrically arranged on the mounting plate, a fixed shaft is arranged between the end parts of the vertical plates, and a fixed pulley X is sleeved on the fixed shaft.

The Y-axis mechanism comprises Y-axis synchronous belts symmetrically arranged on the front side and the rear side of the X-axis mechanism, and one side of the bottom of each Y-axis synchronous belt is fixedly connected with a corresponding sliding block a and a corresponding sliding block b respectively; one end of a Y-axis synchronous belt is sleeved on a fixed pulley Y, the other end of the Y-axis synchronous belt is sleeved on a gear Y, the gear Y is installed on a transmission shaft, and the fixed pulley Y is fixed on a metal plate at the top of an equipment shell; still be equipped with fixed gear on the transmission shaft, this fixed gear passes through the hold-in range and links to each other with the epaxial gear of Y axle step motor output, and the transmission shaft both ends are passed through the bearing and are connected with the metal sheet, the metal sheet is located the aluminium alloy frame outer wall, the transmission shaft is located Y axle straight line optical axis top, Y axle straight line optical axis, Y axle step motor are fixed in on the metal sheet.

The Z-axis mechanism comprises ball screws symmetrically arranged on the left side and the right side of the X-axis mechanism, the bottoms of the ball screws are connected with a Z-axis stepping motor through a shaft coupling, the Z-axis stepping motor is fixed on a metal plate inside the equipment shell, the ball screws are further connected with a Z-axis supporting plate in a sliding mode through screw nuts, and a moving beam is connected between the Z-axis supporting plates.

And Z-axis linear optical axes are arranged on two sides of the ball screw and are in sliding connection with the Z-axis supporting plate, and the Z-axis linear optical axes are fastened on the aluminum profile frame through fixing pieces.

When the FDM module works: an X-axis stepping motor on the sliding block b drives an X-axis synchronous belt through a gear X, and one side of the top of the X-axis synchronous belt is fixed with a U-shaped frame, so that the U-shaped frame drives an FDM module to slide on an X-axis linear optical axis; the Y-axis stepping motor drives a transmission shaft with bearings at two ends to rotate through the transmission of a gear-synchronous belt-fixed gear, and the transmission shaft drives a sliding block a and a sliding block b through a gear Y-axis synchronous belt to synchronously move on two Y-axis linear optical axes; the lifting of the FDM printing platform is controlled by a Z-axis stepping motor through a coupler-ball screw, namely the FDM printing platform moves along a Z axis, and the printing platform can move more stably and has a more stable structure due to the vertical four Z-axis linear optical axes; the 42 stepping motors in the FDM module and the components (also called as an extruder) assembled by the stepping motors and the related parts are used for providing power for extruding materials.

The laser engraving module is in operation: because the laser engraving module and the FDM module are both fixed on the U-shaped frame, the X, Y axis movement is the same as the FDM module when in work, so repeated description is not needed; before work, the distance between an object placed on the platform and a laser engraving module (laser head) is controlled by adjusting the height of the FDM printing platform according to needs, the Z-axis movement at the moment is still the same as the work time of the FDM module, repeated description is not carried out, and the FDM printing platform is fixed during work.

When the LCD module works, the bottom of a photosensitive resin groove of the LCD module is an LCD liquid crystal screen with proper size, the principle is that the LCD imaging principle of the liquid crystal screen is utilized, under the drive of a computer and a display screen circuit, an image signal is provided by a computer program, a selective transparent area appears on the liquid crystal screen, a light source inside the LCD module emits ultraviolet light to penetrate through the transparent area, and the photosensitive resin consumable material in the resin groove is irradiated to expose and solidify the photosensitive resin consumable material, so that the problem of the surface is directly solved (the photosensitive resin consumable material can also be understood to play a role of X, Y axes); and after each layer is cured, lifting the cured part by the LCD printing platform to make the resin liquid supplement and flow back, descending the LCD printing platform again to make the liquid resin thin layer under the model exposed by ultraviolet rays again until the model is printed, and controlling the ball screw by the Z-axis stepping motor through the shaft coupling during the lifting of the LCD printing platform to make the ball screw move along the Z axis.

The aluminum profile on the equipment shell and the connecting corner pieces are main frames, so that the cost is low and the structure is stable; the aluminum profile and the metal plate are adopted to facilitate fixing the bearing and the Y-axis and Z-axis linear optical axes, and other materials can be adopted on the premise of meeting the requirement; the side wall and the top of the equipment shell are dark color plastic plates, so that a lightless working environment is created for photosensitive resin consumables when the LCD module works, and the lightless working environment is prevented from being accidentally cured due to the influence of external light. In fig. 2, a dark plastic cover plate is arranged on the top surface, and is hidden in order to make the combination of the outside and the working part more clear; FIG. 2 shows the left space for placing the related wires and control panel, etc.; the right side is provided with an opening and closing door for taking out products, adding consumables, performing daily maintenance and the like.

In the application, the LCD module, the FDM module and the laser engraving module are mature prior art, so that the working principle of the laser engraving module is not introduced too much. The FDM module and the laser engraving module are fully combined, and the moving track of the FDM module and the laser engraving module is controlled by adopting a Makerbot structure (also called XYZ type); when the FDM module works, the printing platform moves from top to bottom, and when the LCD module works, the printing platform moves from bottom to top, so that the FDM module and the LCD module can just share one Z axis and work independently without influencing each other; the laser engraving module does not need a Z axis during working, so that other modules cannot be influenced. Therefore, the combination of the three functions is realized, and the space is correspondingly saved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Be applied to motion in multi-functional 3D printer, including X axle mechanism, Y axle mechanism and Z axle mechanism, its characterized in that, X axle mechanism both ends and Y axle mechanism sliding connection, be equipped with Z axle mechanism between the Y axle mechanism both ends sliding connection has U type frame in the X axle mechanism, installs the FDM module above this U type frame, and the side is fixed with laser engraving module X axle mechanism below is equipped with FDM print platform, and this FDM print platform is fixed in on the movable beam, the movable beam bottom is connected with LCD print platform, and this LCD print platform below is equipped with the LCD module, movable beam both sides and Z axle mechanism sliding connection.

2. The moving mechanism applied to the multifunctional 3D printer according to claim 1, wherein the X-axis mechanism comprises a sliding block a and a sliding block b which are symmetrically arranged, an X-axis stepping motor is mounted on the sliding block b, a gear X is arranged on an output shaft of the X-axis stepping motor, the gear X is connected with a fixed pulley X through an X-axis synchronous belt, the fixed pulley X is mounted on the sliding block a, an X-axis linear optical axis is symmetrically arranged between the sliding block a and the sliding block b, a U-shaped frame is connected onto the X-axis linear optical axis in a sliding manner, and the U-shaped frame is fixedly connected with one side of the top of the X-axis synchronous belt.

3. The movement mechanism of claim 1, wherein the Y-axis mechanism comprises Y-axis synchronous belts symmetrically disposed at the front and rear sides of the X-axis mechanism, one end of the Y-axis synchronous belt is sleeved on the fixed pulley Y, the other end of the Y-axis synchronous belt is sleeved on a gear Y, the gear Y is mounted on a transmission shaft, and a fixed gear is further disposed on the transmission shaft and connected with a gear on an output shaft of the Y-axis stepping motor through the synchronous belts.

4. The movement mechanism applied to the multifunctional 3D printer according to claim 1, wherein the Z-axis mechanism comprises ball screws symmetrically arranged on the left side and the right side of the X-axis mechanism, the bottoms of the ball screws are connected with the Z-axis stepping motor through shaft couplings, the ball screws are further connected with Z-axis supporting plates in a sliding mode through screw nuts, and a moving beam is connected between the Z-axis supporting plates.

5. The moving mechanism applied to the multifunctional 3D printer according to claim 2, wherein a mounting plate is fixed on the side wall of the sliding block a, vertical plates are symmetrically arranged on the mounting plate, a fixed shaft is arranged between the end parts of the vertical plates, and a fixed pulley X is sleeved on the fixed shaft.

6. The moving mechanism applied to the multifunctional 3D printer according to claim 3, wherein one side of the bottom of the Y-axis synchronous belt is fixedly connected with the corresponding sliding block a and the sliding block b respectively.

7. The movement mechanism applied to the multifunctional 3D printer according to claim 4, wherein Z-axis linear optical axes are arranged on two sides of the ball screw, and the Z-axis linear optical axes are connected with the Z-axis supporting plate in a sliding mode.

8. The movement mechanism applied to the multifunctional 3D printer according to claim 1, wherein the Y-axis mechanism is fixed on a metal plate on the top of the device shell, the Z-axis mechanism is fixed on an aluminum frame, the device shell and the metal plate are fixed on the outer wall of the aluminum frame, and an opening and closing door is arranged on one side of the device shell.

9. The movement mechanism for a multifunctional 3D printer as claimed in claim 3, wherein the transmission shaft has Y-axis linear optical axes at the bottom of its two ends, and the sliding block a and the sliding block b slide on the corresponding Y-axis linear optical axes.