CN210590584U

CN210590584U - Novel FDM printer send silk device

Info

Publication number: CN210590584U
Application number: CN201921370314.5U
Authority: CN
Inventors: 秦敬超; 郑武; 孔曙光; 邱金勇
Original assignee: Huarong Purui Beijing Technology Co Ltd
Current assignee: Huarong Purui Beijing Technology Co Ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-05-22
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a novel FDM printer send silk device, including setting up the rotation space in transmission shaft one end, rotate the space internal rotation and install the screw rod, be fixed with the gear on the screw rod, the transmission shaft fixed handle in the lump is worn out to the screw rod upper end, it installs the minor axis to rotate the space internal rotation, minor axis one end processing has half tooth, half tooth and gear external toothing, the utility model discloses utilize the meshing of gear and half tooth to rotate the minor axis when trading silk for guide pulley one separates with guide pulley two, passes the silk material reverse rotation minor axis between guide pulley one and the guide pulley two, and guide pulley one and guide pulley double extrusion silk material not only make things convenient for the change of silk material, the condition of tong still can not appear.

Description

Novel FDM printer send silk device

Technical Field

The utility model relates to a FDM printer accessory, in particular to novel FDM printer send silk device.

Background

The material of FDM is typically a thermoplastic material such as wax, ABS, nylon, etc., fed in filament form. The material is heated and melted in the spray head, the spray head moves along the section outline and the filling track of the part, the melted material is extruded at the same time, the material is rapidly solidified and is condensed with the surrounding material to form a three-dimensional product, the FDM printing wire feeding is mostly realized by extruding the wire feeding through the guide wheels, when the wire is broken or changed, the wire material needs to pass through the two groups of guide wheels manually, the operation is complex, and the hand clamping is easy.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a novel FDM printer send silk device, the device easy operation, the convenience of reloading, the safety in utilization is good.

In order to solve the technical problem, the utility model discloses a technical scheme does:

a novel wire feeding device of an FDM printer comprises a shell plate, wherein a first transmission shaft and a second transmission shaft are rotatably mounted on the shell plate, a short shaft is mounted at one end of the first transmission shaft through a connecting assembly, a first guide wheel is fixed at the other end of the short shaft, a second guide wheel is mounted at one end of the second transmission shaft, and the other ends of the first transmission shaft and the second transmission shaft penetrate through the shell plate and are provided with secondary belt wheels;

coupling assembling is including setting up the rotation space in transmission shaft one end, rotate the rotation space internal rotation and install the screw rod, be fixed with the gear on the screw rod, the transmission shaft fixed handle in the lump is worn out to the screw rod upper end, rotate the space internal rotation and install the minor axis, minor axis one end processing has half tooth, half tooth and gear external toothing.

Preferably, a threaded hole is formed in the outer surface of one upper end of the transmission shaft, and the screw is engaged in the threaded hole.

Preferably, rolling bearings are arranged at the joints of the first transmission shaft and the second transmission shaft and the shell plate.

Preferably, a round hole is formed in the short shaft, a bolt is fixed in the rotating space, and the bolt is inserted into the round hole.

Preferably, the screw rod is sleeved with a rubber ring, and the rubber ring is arranged between the handle and the first transmission shaft.

Preferably, the outer surface of the shell plate is fixedly provided with a shell, two groups of motors are symmetrically fixed in the shell, the output ends of the motors are provided with a main belt wheel, and the main belt wheel is connected with a secondary belt wheel through a belt.

Preferably, the motor is electrically connected with an external power supply.

By adopting the technical scheme, the short shaft is rotatably connected with the first transmission shaft, and the short shaft is rotated by meshing the gear and the half teeth during wire replacement, so that the first guide wheel is separated from the second guide wheel, the wire passes through the first guide wheel and the second guide wheel to reversely rotate the short shaft, and the first guide wheel and the second guide wheel extrude the wire again, thereby facilitating the replacement of the wire and avoiding the occurrence of hand clamping.

The utility model is simple in operation, the convenience of reloading, the safety in utilization is good.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a front cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the assembly of the stub shaft and the first transmission shaft;

fig. 4 is a front view of the middle short shaft of the present invention.

In the figure, 1-guide wheel I, 2-short shaft, 3-connecting component, 4-transmission shaft I, 5-shell plate, 6-main belt wheel, 7-motor, 8-auxiliary belt wheel, 9-shell, 10-rolling bearing, 11-transmission shaft II, 12-guide wheel II, 31-bolt, 32-rotating space, 33-handle, 34-screw rod, 35-rubber ring, 36-gear, 37-half tooth and 38-round hole.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to the accompanying drawings 1-4, the utility model provides a novel FDM printer send silk device, including shell plate 5, rotate on the shell plate 5 and install transmission shaft 4 and transmission shaft two 11, coupling assembling 3 installation minor axis 2 is passed through to transmission shaft 4 one end, the fixed guide pulley of 2 other ends of minor axis 1, two 11 one ends installation guide pulleys two 12 of transmission shaft, the other end of transmission shaft 4 and transmission shaft two 11 all passes shell plate 5 and installs from band pulley 6, and two sets of rotation directions that turn to opposite from band pulley 6 realize respectively that guide pulley 1 and guide pulley two 12 are opposite, realize that the silk material feeds.

Coupling assembling 3 is including setting up the rotation space 32 at transmission shaft 4 end, rotate the rotation in space 32 and install screw rod 34, be fixed with gear 36 on the screw rod 34, transmission shaft 4 and fixed handle 33 are worn out to screw rod 34 upper end, it installs minor axis 2 to rotate the rotation in

space

32, 2 one end processing of minor axis have half tooth 37, half tooth 37 and gear 36 external toothing.

Preferably, the outer surface of the upper end of the first transmission shaft 4 is provided with a threaded hole, and the screw 34 is engaged in the threaded hole.

Preferably, the rolling bearings 10 are arranged at the joints of the first transmission shaft 4 and the second transmission shaft 11 and the shell plate 5, and the rolling bearings 10 improve the connection stability of the first transmission shaft 4 and the second transmission shaft 11 and the shell plate 5, so that the first transmission shaft 4 and the second transmission shaft 11 can rotate conveniently.

Preferably, a round hole 38 is formed in the short shaft 2, the bolt 31 is fixed in the rotating space 32, the bolt 31 is inserted into the round hole 38, when the gear 36 drives the half-tooth 37 to rotate, the short shaft 2 rotates around the bolt 31, the stability of the short shaft 2 during rotation is improved, and the round hole 38 facilitates the insertion and positioning of the bolt 31.

Preferably, the screw 34 is sleeved with the rubber ring 35, the rubber ring 35 is arranged between the handle 33 and the first transmission shaft 4, the handle 33 can be conveniently extruded by the rubber ring 35 when rotating, friction force is increased, the probability of random rotation of the handle 33 is reduced, and the feeding stability of the silk material is improved.

Preferably, the outer surface of the shell plate 5 is fixed with a shell 9, two sets of motors 7 are symmetrically fixed in the shell 9, the output ends of the motors 7 are provided with a main belt wheel 6, the main belt wheel 6 is connected with a secondary belt wheel 6 through a belt, and the motors 7 drive the main belt wheel 6 to rotate and then output power through the belt.

Preferably, the motor 7 is electrically connected with an external power supply, and the external power supply provides electric energy for the motor 7.

The working principle is as follows:

the motor 7 is operated, the motor 7 works to realize the rotation of the main belt wheel 6 at the output end, the main belt wheel 6 drives the auxiliary belt wheel 6 to rotate through a belt, then the auxiliary belt wheel 6 drives the transmission shaft I4 and the transmission shaft II 11 to rotate, and finally the guide wheel I1 and the guide wheel II 12 rotate in opposite directions simultaneously, the silk material is conveyed between the guide wheel I1 and the guide wheel II 12, when the material is changed or cut off, the motor 7 stops operating, the handle 33 is rotated, the handle 33 drives the screw rod 34 to rotate in the threaded hole, the screw rod 34 drives the gear 36 to rotate in the rotating space 32, the half-tooth 37 rotates by utilizing the external meshing of the gear 36 and the half-tooth 37, the half-tooth 37 drives the short shaft 2 to rotate, so that the short shaft 2 drives the guide wheel I1 to rotate and keep away from the guide wheel II 12, the distance between the guide wheel I1 and the guide wheel II 12 is increased, the silk material passes through the guide, facilitating the re-feeding of the filament material.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a novel FDM printer wire feeder, includes shell plate (5), its characterized in that: a first transmission shaft (4) and a second transmission shaft (11) are rotatably mounted on the shell plate (5), one end of the first transmission shaft (4) is provided with a short shaft (2) through a connecting assembly (3), the other end of the short shaft (2) is fixed with a first guide wheel (1), one end of the second transmission shaft (11) is provided with a second guide wheel (12), and the other ends of the first transmission shaft (4) and the second transmission shaft (11) penetrate through the shell plate (5) and are provided with secondary belt wheels (8);

coupling assembling (3) are including setting up rotation space (32) at transmission shaft (4) end, rotation space (32) internal rotation is installed screw rod (34), be fixed with gear (36) on screw rod (34), transmission shaft (4) and fixed handle (33) are worn out to screw rod (34) upper end, rotation space (32) internal rotation is installed minor axis (2), minor axis (2) one end processing has half tooth (37), half tooth (37) and gear (36) external toothing.

2. The novel FDM printer wire feeder of claim 1, wherein: the outer surface of the upper end of the first transmission shaft (4) is provided with a threaded hole, and the screw rod (34) is meshed in the threaded hole.

3. The novel FDM printer wire feeder of claim 1, wherein: and rolling bearings (10) are arranged at the joints of the first transmission shaft (4), the second transmission shaft (11) and the shell plate (5).

4. The novel FDM printer wire feeder of claim 1, wherein: the short shaft (2) is provided with a round hole (38), a bolt (31) is fixed in the rotating space (32), and the bolt (31) is inserted into the round hole (38).

5. The novel FDM printer wire feeder of claim 1, wherein: the screw rod (34) is sleeved with a rubber ring (35), and the rubber ring (35) is arranged between the handle (33) and the first transmission shaft (4).

6. The novel FDM printer wire feeder of claim 1, wherein: the outer surface of the shell plate (5) is fixed with a shell (9), two groups of motors (7) are symmetrically fixed in the shell (9), the output ends of the motors (7) are provided with a main belt wheel (6), and the main belt wheel (6) is connected with a secondary belt wheel (8) through a belt.

7. The novel FDM printer wire feeder of claim 6, wherein: the motor (7) is electrically connected with an external power supply.