CN219381637U - Smooth and easy 3D printer of feeding - Google Patents

Abstract

The utility model relates to the technical field of 3D printers, and discloses a 3D printer with smooth feeding, which comprises a printing table, wherein a moving mechanism is arranged on the upper surface of the printing table, a feed box is fixedly arranged on the upper surface of the moving mechanism, and a feeding mechanism is arranged in the feed box. This smooth and easy 3D printer of feeding places the powdered raw materials into the inside of workbin, start the motor, drive the puddler through the screw rod and rotate, avoid powdered raw materials to block up the workbin discharge gate, after the raw materials flows to printing shower nozzle department, stop the circular telegram to the electro-magnet for the stopper gets into annular groove inside under the spring effect, under the cooperation of baffle, stopper, slider and movable tank, drive circular clamp plate and laminate the raw materials surface downwards, the unloading speed of the rotation speed adaptation raw materials of re-adjusting motor, make circular clamp plate stable extrude the raw materials, make the raw materials remove the feeding when printing shower nozzle department smooth and easy, keep stable ejection of compact.

Description

Smooth and easy 3D printer of feeding

Technical Field

The utility model relates to the technical field of 3D printers, in particular to a 3D printer with smooth feeding.

Background

The 3D printer, also called a three-dimensional printer, is a process device for rapid molding, and is a technology for constructing objects by using powdery metal or plastic and other bondable materials based on digital model files through a layer-by-layer printing mode, wherein 3D printing is usually realized by using a digital technology material printer, data and raw materials are put into a 3D printing device, and the machine can manufacture products layer by layer according to a program.

According to the 3D printer with the adjusting function (publication number: CN 210174203U), the control circuit main board and the extruder are respectively arranged on one side of the side plate I and one side of the side plate II, which are far away from each other, so that the space inside the printer is reduced, and the matching effect of the electric telescopic rod and the printing platform is arranged, so that the upward and downward movement of the printing spray head is avoided, and the possibility of clamping and stopping the printing spray head is reduced.

However, in the actual use process of the equipment, if the raw materials of the 3D printer are in powder form, the raw materials are easily accumulated before the spray heads are not operated in the feeding process, so that the discharge hole of a feed box is blocked, the discharging effect of the powder raw materials is affected, the feeding at the printing spray heads is not smooth, the discontinuous and uneven discharging of the printing spray heads is easily caused, and the forming effect of products is affected; in view of this, we propose a 3D printer with smooth feed.

Disclosure of Invention

The utility model aims to provide a 3D printer with smooth feeding so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a smooth and easy 3D printer of feeding, includes the printing table, the upper surface of printing table has moving mechanism, moving mechanism's inside is provided with prints the shower nozzle, moving mechanism's upper surface fixed mounting has the workbin, the inside of workbin is provided with feed mechanism, feed mechanism includes:

the output shaft of the motor penetrates through the upper surface of the feed box and is fixedly provided with a screw rod, the outer side of the screw rod is in threaded connection with a circular pressing plate, and the screw rod can be driven to rotate when the motor is started;

the annular groove is formed in the outer wall surface of the circular pressing plate, and a baffle is fixedly arranged in the annular groove;

the movable groove is formed in the left inner wall surface of the feed box, a sliding block is connected in the movable groove in a sliding mode, a mounting groove is formed in the right surface of the sliding block, a fixing plate is fixedly arranged on the upper end of the right surface of the sliding block, and the fixing plate can limit the sliding block, so that the sliding block is always kept on the left side of the circular pressing plate;

the electromagnet is fixedly arranged on the left inner wall surface of the moving groove, the spring is fixedly arranged on the right side surface of the electromagnet, the limiting block is fixed at the right end of the spring, magnetic force is generated when the electromagnet is electrified, and the limiting block can be magnetically attracted.

Preferably, the outer wall of the circular pressing plate is mutually attached to the inner wall of the material box.

Preferably, the size of the limiting block is mutually matched with the size of the annular groove.

Preferably, the fixing plate is located above the circular pressing plate.

Preferably, the bottom outside fixed mounting of screw rod has the puddler, the air vent has been seted up to the upper surface of circular clamp plate, the inside fixed mounting of air vent has the filter screen, can drive the puddler and rotate in step when the screw rod rotates, can stir the raw materials, avoids blocking the discharge gate of workbin.

Preferably, the bottom surface of the filter screen is mutually attached to the bottom surface of the circular pressing plate.

Compared with the prior art, the utility model provides the 3D printer with smooth feeding, which has the following beneficial effects:

1. this smooth and easy 3D printer of feeding places the powdered raw materials into the inside of workbin, start the motor, drive the puddler through the screw rod and rotate, avoid powdered raw materials to block up the discharge gate of workbin, after the raw materials flows to printing shower nozzle department, stop the circular telegram to the electro-magnet for the stopper gets into annular groove inside under the spring effect, under the cooperation of baffle, stopper, slider and movable tank, drive circular clamp plate and laminate the raw materials surface downwards, the unloading speed of the rotation speed adaptation raw materials of re-adjusting motor, make circular clamp plate stable extrude the raw materials, make the raw materials remove the feeding when printing shower nozzle department smooth and easy, keep stable ejection of compact.

2. This smooth and easy 3D printer of feeding, through the cooperation of air vent and the filter screen that sets up, upwards discharges the air to circular clamp plate below, avoids the too big removal that hinders circular clamp plate of pressure, and the filter screen can avoid the raw materials to remove the top of circular clamp plate and influence the unloading simultaneously.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the inside of the bin of the utility model;

FIG. 3 is a schematic view of the structure of the inside of the slider and the fixing plate of the present utility model;

fig. 4 is a schematic structural view of a circular pressing plate according to the present utility model.

In the figure: 1. a printing table; 2. a moving mechanism; 3. printing a spray head; 4. a feed box; 5. a feed mechanism; 501. a motor; 502. a screw; 503. a circular pressing plate; 504. an annular groove; 505. a baffle; 506. a moving groove; 507. a slide block; 508. a mounting groove; 509. an electromagnet; 510. a spring; 511. a limiting block; 512. a fixing plate; 513. a stirring rod; 514. a vent hole; 515. and (3) a filter screen.

Detailed Description

As shown in fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a smooth and easy 3D printer of feeding, includes printing table 1, and there is moving mechanism 2 printing table 1's upper surface, and moving mechanism 2 includes: drive shaft, driving motor, lifter plate, translation board etc. drive the drive shaft through driving motor and rotate, and then drive the lifter plate and go up and down to remove, the translation board can carry out horizontal migration and then can drive the printing shower nozzle 3 of fixed mounting in the translation board bottom surface and move for printing shower nozzle 3 can carry out the removal and print, and the mobile structure principle that above-mentioned moving mechanism 2 mentioned in the chinese patent of public number CN109177157A (a 3D printer that has regulatory function) is similar, realizes the effect the same, is the prior art means in this field, does not make excessive redundant description here.

The inside of mobile mechanism 2 is provided with prints shower nozzle 3, and mobile mechanism 2's upper surface fixed mounting has workbin 4, passes through the connecting pipe interconnect between workbin 4 and the printing shower nozzle 3, and the inside powdered raw materials accessible connecting pipe of workbin 4 gets into and prints the inside heating of printing shower nozzle 3, and the right side surface fixed mounting of workbin 4 has the feeder hopper, and the inside of workbin 4 is provided with feed mechanism 5.

The feeding mechanism 5 includes: the motor 501, the annular groove 504, the movable groove 506 and the electro-magnet 509, the output shaft of the motor 501 runs through the upper surface fixed mounting of the workbin 4 and has the screw 502, the screw 502 can be driven to rotate when the motor 501 starts, the outside threaded connection of the screw 502 has the circular pressing plate 503, the screw 502 can drive the circular pressing plate 503 to rotate synchronously when rotating in the initial state, the outer wall of the circular pressing plate 503 is mutually attached to the inner wall of the workbin 4, the annular groove 504 is formed in the outer wall surface of the circular pressing plate 503, and the baffle 505 is fixedly mounted in the annular groove 504.

Further, the moving groove 506 is formed in the left inner wall surface of the feed box 4, the sliding block 507 is connected inside the moving groove 506 in a sliding manner, the sliding block 507 can slide in the vertical direction inside the moving groove 506, the mounting groove 508 is formed in the right side surface of the sliding block 507, the fixing plate 512 is fixedly arranged on the upper end of the right side surface of the sliding block 507, the fixing plate 512 is located above the circular pressing plate 503, and the sliding block 507 is always stably kept on the left side of the circular pressing plate 503 through the fixing plate 512.

Electromagnet 509 is fixedly mounted on the left inner wall surface of movable groove 506, spring 510 is fixedly mounted on the right side surface of electromagnet 509, limiting block 511 is fixedly mounted on the right end of spring 510, limiting block 511 is made of iron materials, electromagnet 509 is in an electrified state to generate magnetic force to magnetically attract limiting block 511 in an initial state, limiting block 511 is located in mounting groove 508, spring 510 is compressed to generate elastic potential energy, the size of limiting block 511 is matched with the size of annular groove 504, and when electromagnet 509 stops being electrified, attraction of limiting block 511 is released.

At this time, the limiting block 511 pops up into the annular groove 504 under the action of the elastic potential energy of the spring 510, the starting motor 501 drives the circular pressing plate 503 to rotate through the screw rod 502, the baffle 505 can rotate to the side wall of the laminating limiting block 511, the circular pressing plate 503 can be limited under the cooperation of the baffle 505, the limiting block 511, the sliding block 507 and the moving groove 506, the circular pressing plate 503 can only perform linear motion in the vertical direction, the screw rod 502 can drive the circular pressing plate 503 to perform linear motion in the vertical direction when rotating, when the circular pressing plate 503 moves downwards, powdery raw materials in the material box 4 can be extruded downwards, so that the powdery raw materials can be stably discharged, and the feeding of the printing spray head 3 is smooth.

The bottom outside fixed mounting of screw rod 502 has puddler 513, the puddler 513 of setting can stir the powdered raw materials of workbin 4 bottom when screw rod 502 rotates, avoid blockking up the discharge gate of workbin 4 bottom, air vent 514 has been seted up to the upper surface of circular clamp plate 503, the inside fixed mounting of air vent 514 has filter screen 515, the bottom surface of filter screen 515 and the bottom surface of circular clamp plate 503 laminate each other, can make the air of circular clamp plate 503 below flow upwards through the air vent 514 of setting, avoid circular clamp plate 503 bottom pressure too big to lead to obstructing the decline of circular clamp plate 503, filter screen 515 of setting can block powdered raw materials simultaneously, avoid the circular clamp plate 503 top that the raw materials removed to lead to unable ejection of compact.

In the utility model, when the feeding hopper is used, powdery raw materials are placed into the feed box 4 through the feed hopper, at the moment, the motor 501 can be started to drive the screw 502 and the stirring rod 513 to rotate, so that the raw materials are prevented from blocking a discharge hole at the bottom of the feed box 4, after the raw materials reach the printing nozzle 3 through the connecting pipe, the electromagnet 509 is stopped, the limiting block 511 is ejected into the annular groove 504 under the action of elastic potential energy of the spring 510, the screw 502 can drive the round pressing plate 503 to rapidly move downwards to be attached to the upper surface of the raw materials when the baffle 505, the limiting block 511, the sliding block 507 and the moving groove 506 are matched, at the moment, the rotation speed of the motor 501 is regulated, the descending speed of the round pressing plate 503 is regulated to be consistent with the discharge speed of the raw materials, the feeding device is simple PLC control, excessive repeated description is not needed, the round pressing plate 503 is stably extruded downwards, the raw materials are smoothly fed when the raw materials move to the printing nozzle 3, and stable discharge is kept.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (6)

1. The utility model provides a smooth and easy 3D printer of feeding, includes printing table (1), there is moving mechanism (2) on the upper surface of printing table (1), the inside of moving mechanism (2) is provided with prints shower nozzle (3), the last fixed surface of moving mechanism (2) installs workbin (4), its characterized in that: the inside of workbin (4) is provided with feed mechanism (5), feed mechanism (5) include:

the motor (501), the output shaft of the motor (501) penetrates through the upper surface of the feed box (4) and is fixedly provided with a screw rod (502), and the outer side of the screw rod (502) is in threaded connection with a circular pressing plate (503);

the annular groove (504) is formed in the outer wall surface of the circular pressing plate (503), and a baffle plate (505) is fixedly arranged in the annular groove (504);

the movable groove (506), the movable groove (506) is arranged on the left inner wall surface of the feed box (4), a sliding block (507) is connected inside the movable groove (506) in a sliding manner, an installation groove (508) is arranged on the right surface of the sliding block (507), and a fixing plate (512) is fixedly arranged on the upper end of the right surface of the sliding block (507);

the electromagnet (509), electromagnet (509) fixed mounting is at the left side inner wall surface of removal groove (506), the right side surface fixed mounting of electromagnet (509) has spring (510), the right-hand member fixed mounting of spring (510) has stopper (511).

2. A smoothly fed 3D printer according to claim 1, characterized in that: the outer wall of the round pressing plate (503) is mutually attached to the inner wall of the material box (4).

3. A smoothly fed 3D printer according to claim 1, characterized in that: the size of the limiting block (511) is matched with the size of the annular groove (504).

4. A smoothly fed 3D printer according to claim 1, characterized in that: the fixed plate (512) is located above the circular pressing plate (503).

5. A smoothly fed 3D printer according to claim 1, characterized in that: the stirring rod (513) is fixedly arranged at the outer side of the bottom end of the screw rod (502), a vent hole (514) is formed in the upper surface of the circular pressing plate (503), and a filter screen (515) is fixedly arranged in the vent hole (514).

6. The smooth-feeding 3D printer of claim 5, wherein: the bottom surface of the filter screen (515) is mutually attached to the bottom surface of the circular pressing plate (503).