CN210062022U

CN210062022U - Novel FDM3D printer wire feeding device

Info

Publication number: CN210062022U
Application number: CN201920935148.2U
Authority: CN
Inventors: 刘福禄
Original assignee: Chongqinbg Industry & Trade Polytechnic
Current assignee: Chongqinbg Industry & Trade Polytechnic
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-02-14
Anticipated expiration: 2029-06-20

Abstract

The utility model discloses a novel FDM3D printer send silk device, including sending a gear, send the internally mounted of gear to have the step motor bearing, step motor is installed to step motor bearing's one end, step motor's externally mounted has a wire feeder casing body, send a gear's below to install and send a gyro wheel, the internally mounted who sends a gyro wheel has ball bearing, ball bearing's one end is installed and is sent a gyro wheel dead lever, the limiting plate is installed to ball bearing's the other end, ball bearing's internally mounted has a gyro wheel dead lever, send the one end of gyro wheel dead lever to install the fixed plate, the inside of fixed plate is provided with the screw hole. The utility model discloses a series of structures can realize sending the straight of silk machine at sending the in-process silk thread, can adjust the distance that send a gear and send between the gyro wheel according to the diameter of silk thread, make things convenient for printer work.

Description

Novel FDM3D printer wire feeding device

Technical Field

The utility model relates to a 3D printer send a technical field, specifically is a novel FDM3D printer wire drive feed unit.

Background

With the rapid development of social and economic, 3D printing, i.e. one of the rapid prototyping technologies, is a technology for constructing an object by using an adhesive material such as powdered metal or plastic based on a digital model file and by using the adhesive material, and the 3D printing machine is called a 3D printer, which is an accumulative manufacturing technology machine, and the existing FDM type 3D printer generally uses a motor to drive a pair of driving wheels, one of which is fixed and the other of which can be finely adjusted, and the pair of driving wheels clamps a wire, and the motor can provide a driving force to make the wire enter a nozzle when rotating.

However, the existing 3D printer has the problems that the adjustment of the distance between the wire feeding gear and the wire feeding roller is troublesome when the wire is clamped, the 3D printing is troublesome, the printing speed is reduced, and the wire is easy to bend in the conveying process, which brings inconvenience to the printing; therefore, the existing requirements are not met, and a novel FDM3D printer wire feeding device is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel FDM3D printer send silk device to it is very troublesome to solve the current 3D printer that proposes in the above-mentioned background art and adjust the distance of sending a gear and sending between the gyro wheel when the clamping of silk thread, and it brings a lot of troubles to print for 3D, slows down the printing speed, and the silk thread is very easily crooked at the data send process, brings inconvenient scheduling problem for printing.

In order to achieve the above object, the utility model provides a following technical scheme: a novel FDM3D printer wire feeding device comprises a wire feeding gear, wherein a stepping motor bearing is arranged inside the wire feeding gear, a stepping motor is arranged at one end of the stepping motor bearing, a wire feeding machine shell is arranged outside the stepping motor, a wire feeding roller is arranged below the wire feeding gear, a ball bearing is arranged inside the wire feeding roller, a wire feeding roller fixing rod is arranged at one end of the ball bearing, a limiting plate is arranged at the other end of the ball bearing, a wire feeding roller fixing rod is arranged inside the ball bearing, a fixing plate is arranged at one end of the wire feeding roller fixing rod, a screw hole is arranged inside the fixing plate, a sliding plate is arranged at the other end of the wire feeding roller fixing rod, sliding grooves are formed in two sides of the sliding plate, two compression springs are arranged below the sliding plate, a pull ring is installed below the wire feeding roller fixing rod, a traction rope is installed on the outer surface of the pull ring, a pulley is installed above the traction rope, a pulley fixing rod is installed inside the pulley, a pulley fixing cover is installed on one side of the pulley, a limiting ring is installed on the other side of the pulley, a belt pulley fixing rod is installed on the inner surface of the wire feeder shell, a belt pulley is installed outside the belt pulley fixing rod, a rubber belt is installed on the outer surface of the belt pulley, a driving wheel is installed behind the belt pulley, a transmission belt is installed on the outer surface of the driving wheel, a wire guiding-in block is installed on one side of the wire feeder shell, a wire inlet is installed on the other side of the wire feeding guiding-in block, a wire outlet is installed on the other side of the wire feeder shell, a transition block is installed on the left side of, the adjustable-pitch rotary knob is installed on one side of the traction rope winding barrel fixing plate, the traction rope winding barrel is installed on the other side of the traction rope winding barrel fixing plate, and a rotating shaft is installed inside the traction rope winding barrel.

Preferably, the upper end of the pull ring is completely attached to the lower end of the sliding plate, and the pull ring is in threaded connection with the sliding plate.

Preferably, one end of the fixing plate is completely attached to one end of the wire feeding roller fixing rod, and the fixing plate is connected with the wire feeding roller fixing rod through a screw.

Preferably, one end of the rotating shaft is completely attached to the inside of the distance adjusting knob, and the rotating shaft is connected with the distance adjusting knob through a clamping groove.

Preferably, one side of the pulley fixing rod is completely attached to the inner wall of the wire feeder shell, and the pulley fixing rod is connected with the wire feeder shell through a screw.

Preferably, the inner surface of the limiting plate is completely attached to the outer surface of the wire feeding roller fixing rod, and the limiting plate is connected with the wire feeding roller fixing rod through welding.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a use one hand to press the roll adjustment knob, clockwise turning roll adjustment knob, the roll adjustment knob drives the pivot rotation, the pivot drives haulage rope winding bucket and rotates, haulage rope winding bucket twines the haulage rope, the haulage rope can be at this moment with the pull ring downstream, make the slide that links to each other with the pull ring downstream, can compress compression spring during downstream, because the downstream of slide, can make the distance that send a gyro wheel and send a gear increase, it is below the silk thread arrival send a gear, loosen the roll adjustment knob, compression spring resets, make send a gear and send a gyro wheel together with press from both sides the silk thread tight;

2. the utility model discloses an use the rubber tape to carry out the transport of silk thread for the silk thread keeps straight state always in the data send process, makes the silk thread leave and send a gyro wheel also can keep being in straight state always when going out from a silk mouth through the transition of transition piece, and better convenience is printed.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of a partial structure of the slide board of the present invention;

FIG. 4 is a partial structural sectional view of the traction rope winding barrel of the present invention;

fig. 5 is a schematic view of a partial structure of the transmission belt of the present invention.

In the figure: 1. a wire feeder housing; 2. a wire material introduction block; 3. a wire inlet; 4. a belt pulley fixing rod; 5. a rubber belt; 6. a wire feeding gear; 7. a stepper motor bearing; 8. a transition block; 9. a filament outlet; 10. a wire feeding roller; 11. a fixing plate; 12. screw holes; 13. a pulley fixing rod; 14. a pulley fixing cover; 15. a limiting ring; 16. a pulley; 17. a hauling rope; 18. a stepping motor; 19. a limiting plate; 20. a ball bearing; 21. a chute; 22. a compression spring; 23. a slide plate; 24. the traction rope is wound on the barrel fixing plate; 25. a traction rope winding barrel; 26. a rotating shaft; 27. a distance adjusting knob; 28. a wire feeding roller fixing rod; 29. a pull ring; 30. a belt pulley; 31. a driving wheel; 32. a drive belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The stepping motor 18 (model 57BYGH5330) mentioned in the present invention can be obtained by market or private ordering.

Referring to fig. 1 to 5, the present invention provides an embodiment: a novel FDM3D printer wire feeding device comprises a wire feeding gear 6, a stepping motor bearing 7 is arranged inside the wire feeding gear 6, a stepping motor 18 is arranged at one end of the stepping motor bearing 7, a wire feeder shell 1 is arranged outside the stepping motor 18, a wire feeding roller 10 is arranged below the wire feeding gear 6, a ball bearing 20 is arranged inside the wire feeding roller 10, free rotation of the wire feeding roller 10 is facilitated, obstruction cannot be caused when the wire is fed by the wire feeder, a wire feeding roller fixing rod 28 is arranged at one end of the ball bearing 20, a limiting plate 19 is arranged at the other end of the ball bearing 20 for limiting, the wire feeding roller is enabled not to deviate, a wire feeding process is ensured, a wire feeding roller fixing rod 28 is arranged inside the ball bearing 20, a fixing plate 11 is arranged at one end of the wire feeding roller fixing rod 28, a screw hole 12 is arranged inside the fixing plate 11, the two sides of the sliding plate 23 are provided with sliding grooves 21, the lower part of the sliding plate 23 is provided with two compression springs 22, the lower part of the wire feeding roller fixing rod 28 is provided with a pull ring 29, the outer surface of the pull ring 29 is provided with a traction rope 17, the upper part of the traction rope 17 is provided with a pulley 16, the inner part of the pulley 16 is provided with a pulley fixing rod 13, one side of the pulley 16 is provided with a pulley fixing cover 14, the other side of the pulley 16 is provided with a spacing ring 15, the inner surface of the wire feeder shell 1 is provided with a pulley fixing rod 4, the outer part of the pulley fixing rod 4 is provided with a pulley 30, the outer surface of the pulley 30 is provided with a rubber belt 5, the rear part of the pulley 30 is provided with a driving wheel 31, the outer surface of the driving wheel 31 is provided with a driving belt 32, one side of the wire feeder shell 1 is, transition piece 8 is installed on the left of wire outlet 9, guarantees to send a in-process silk thread to keep straight state always, and haulage rope winding bucket fixed plate 24 is installed in the place ahead of a machine casing body 1, and roll adjustment knob 27 is installed to one side of haulage rope winding bucket fixed plate 24, and haulage rope winding bucket 25 is installed to the opposite side of haulage rope winding bucket fixed plate 24, and the internally mounted of haulage rope winding bucket 25 has pivot 26.

Further, the upper end of the pull ring 29 is completely attached to the lower end of the sliding plate 23, the pull ring 29 is connected with the sliding plate 23 through threads, the threaded connection structure is simple, the installation and the disassembly are convenient, and the connection performance is good, so that the pull ring 29 can bear certain pulling force.

Further, the one end of fixed plate 11 and the one end of sending a gyro wheel dead lever 28 are laminated completely, and fixed plate 11 passes through the screw connection with sending a gyro wheel dead lever 28, and simple easy to assemble of screw connection structure and dismantlement possess good connection performance for be difficult for droing between the two.

Further, the one end of pivot 26 laminates completely with roll adjustment knob 27's inside, and pivot 26 passes through the draw-in groove with roll adjustment knob 27 and is connected, and draw-in groove connection structure is simple, makes things convenient for installation and dismantlement between part and the part, easy to operate.

Further, one side of pulley dead lever 13 and the inner wall of sending the silk casing body 1 to laminate completely, and pulley dead lever 13 passes through the screw connection with sending silk casing body 1, and simple easy to assemble of screw connection structure and dismantlement possess good connection performance for be difficult for droing between the two.

Further, the inner surface of the limiting plate 19 is completely attached to the outer surface of the wire feeding roller fixing rod 28, the limiting plate 19 is connected with the wire feeding roller fixing rod 28 through welding, and the welding fixation enables the wire feeding roller fixing rod and the limiting plate to have good connection performance and stability, and the wire feeding roller fixing rod and the limiting plate are not prone to falling off.

The working principle is as follows: when the device is used, the power supply of the stepping motor 18 is switched on, the distance adjusting knob 27 is pressed by one hand, the distance adjusting knob 27 is rotated clockwise, the distance adjusting knob 27 drives the rotating shaft 26 to rotate, the rotating shaft 26 drives the traction rope winding barrel 25 to rotate, the traction rope winding barrel 25 winds the traction rope 17, the traction rope 17 pulls the pull ring 29 downwards, the sliding plate 23 connected with the pull ring 29 moves downwards, the compression spring 22 is compressed when the sliding plate 26 moves downwards, the distance between the wire feeding roller 10 and the wire feeding gear 6 is increased due to the descending of the sliding plate 23, the wire used by the printer is inserted into the wire feeding block 2 by the other hand, the wire enters the wire feeder from the wire inlet 3 and is contacted with the rubber belt 5, the rubber belt 5 continues to convey the wire forwards, when the wire reaches the lower part of the wire feeding gear 6, the distance adjusting knob 27 is loosened, the compression spring 22 returns, and the sliding plate 23 is jacked up, the wire feeding roller 10 rises to clamp the wire together with the wire feeding gear 6, and the wire is fed out from the wire feeding machine through the wire outlet 9 after passing through the transition block 8.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Claims

1. A novel FDM3D printer wire feeder comprises a wire feeding gear (6), and is characterized in that: the internally mounted of sending a gear (6) has step motor bearing (7), step motor (18) are installed to the one end of step motor bearing (7), the externally mounted of step motor (18) has a wire feeder casing (1), the below of sending a gear (6) is installed and is sent a gyro wheel (10), the internally mounted of sending a gyro wheel (10) has ball bearing (20), the one end of ball bearing (20) is installed and is sent a gyro wheel dead lever (28), limiting plate (19) are installed to the other end of ball bearing (20), the internally mounted of ball bearing (20) has a gyro wheel dead lever (28), fixed plate (11) are installed to the one end of sending a gyro wheel dead lever (28), the inside of fixed plate (11) is provided with screw hole (12), slide (23) are installed to the other end of sending a gyro wheel dead lever (28), the utility model discloses a novel wire feeder, including slide (23), compression spring (22) are installed to the below of slide (23), compression spring (22) have two, send the below of a gyro wheel dead lever (28) to install pull ring (29), the surface mounting of pull ring (29) has haulage rope (17), pulley (16) are installed to the top of haulage rope (17), the internally mounted of pulley (16) has pulley dead lever (13), pulley fixed cover (14) are installed to one side of pulley (16), spacing ring (15) are installed to the opposite side of pulley (16), the internally mounted of wire feeder casing body (1) has belt pulley dead lever (4), the externally mounted of belt pulley dead lever (4) has belt pulley (30), the surface mounting of belt pulley (30) has rubber tape (5), drive wheel (31) are installed at the rear of belt pulley (30), the surface mounting of drive wheel (31) has driving belt (32), wire material introduction block (2) is installed to one side of wire feeder casing body (1), wire inlet (3) are installed to the opposite side of wire material introduction block (2), wire outlet (9) are installed to the opposite side of wire feeder casing body (1), transition piece (8) are installed to the left of wire outlet (9), haulage rope winding bucket fixed plate (24) are installed in the place ahead of wire feeder casing body (1), roll adjustment knob (27) is installed to one side of haulage rope winding bucket fixed plate (24), haulage rope winding bucket (25) are installed to the opposite side of haulage rope winding bucket fixed plate (24), the internally mounted of haulage rope winding bucket (25) has pivot (26).

2. The novel FDM3D printer wire feeder of claim 1, wherein: the upper end of the pull ring (29) is completely attached to the lower end of the sliding plate (23), and the pull ring (29) is in threaded connection with the sliding plate (23).

3. The novel FDM3D printer wire feeder of claim 1, wherein: one end of the fixing plate (11) is completely attached to one end of the wire feeding roller fixing rod (28), and the fixing plate (11) is connected with the wire feeding roller fixing rod (28) through screws.

4. The novel FDM3D printer wire feeder of claim 1, wherein: one end of the rotating shaft (26) is completely attached to the inside of the distance adjusting knob (27), and the rotating shaft (26) is connected with the distance adjusting knob (27) through a clamping groove.

5. The novel FDM3D printer wire feeder of claim 1, wherein: one side of the pulley fixing rod (13) is completely attached to the inner wall of the wire feeder shell (1), and the pulley fixing rod (13) is connected with the wire feeder shell (1) through screws.

6. The novel FDM3D printer wire feeder of claim 1, wherein: the inner surface of the limiting plate (19) is completely attached to the outer surface of the wire feeding roller fixing rod (28), and the limiting plate (19) is connected with the wire feeding roller fixing rod (28) in a welding mode.