CN213166901U

CN213166901U - Special novel motor gearbox of 3D drawing pen

Info

Publication number: CN213166901U
Application number: CN202021805653.4U
Authority: CN
Inventors: 姚晋
Original assignee: Dongguan Haishu Electronic Technology Co ltd
Current assignee: Dongguan Haishu Electronic Technology Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-05-11
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a special novel motor gearbox for a 3D painting brush, which comprises a shell, a motor, motor teeth, a multi-stage driving gear, an output shaft, a feeding gear and a bearing, wherein the motor teeth, the multi-stage driving gear and the output shaft are all positioned in the shell, the output shaft and the mounting shaft of the multi-stage driving gear are all connected with the inner top and the inner bottom of the shell, the feeding gear and the bearing are arranged at the outer bottom of the shell, one end of the output shaft extends out of the bottom of the shell and is connected with the feeding gear, the motor teeth are arranged at the rotating shaft of the motor and are linked with the feeding gear through the multi-stage driving gear, the outer bottom of the shell is provided with a feeding pipe positioned between the feeding gear, the motor is located the outside of shell, and the pivot of motor runs through and stretches into in the shell, and the motor is fixed on the shell through an external screw that is located the shell outside and an internal screw that is located the shell. The utility model discloses a special novel motor gearbox of 3D drawing pen does benefit to the heat dissipation of motor.

Description

Special novel motor gearbox of 3D drawing pen

Technical Field

The utility model relates to a 3D prints the field, especially relates to a special novel motor gearbox of 3D drawing pen.

Background

The development of the 3D printing technology is gradually mature, except for the three-dimensional forming machines and 3D printers sold in general businesses, a 3D printing pen is developed and newly developed, the limitation that writing and drawing are limited to the plane space of paper is broken, and design graphics in any shapes can be rapidly and directly drawn and converted into 3D solid three-dimensional objects from a plane 2D.

The 3D printing pen advances the pay-off through built-in motor gearbox, and chinese patent CN201820767733.1 discloses a novel tooth case, and it includes gear box lid, gear box bottom, conveying pipeline, motor tooth, one-level gear, secondary gear, tertiary gear, level four gear, five-stage gear, output shaft, pay-off gear, antifriction bearing and feed inlet. The motor, the motor teeth, the first-stage gear, the second-stage gear, the third-stage gear, the fourth-stage gear, the fifth-stage gear and the output shaft are all located between the gearbox cover and the gearbox bottom, and the feeding gear, the rolling bearing, the material conveying pipe and the material inlet are located at the outer bottom of the gearbox bottom. The feed delivery pipe is connected with the feed inlet. The disadvantages are that: the motor is arranged between the gear box cover and the gear box bottom, and is not beneficial to heat dissipation of the motor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a special novel motor gearbox of 3D drawing pen has solved and has been unfavorable for the radiating problem of motor.

In order to achieve the above object, the utility model provides a special novel motor gearbox for 3D painting brush, which comprises a shell, a motor, motor teeth, a multi-stage driving gear, an output shaft, a feeding gear and a bearing, wherein the motor teeth, the multi-stage driving gear and the output shaft are all positioned in the shell, the output shaft and the mounting shaft of the multi-stage driving gear are all connected with the inner top and the inner bottom of the shell, the feeding gear and the bearing are mounted at the outer bottom of the shell, one end of the output shaft penetrates out of the bottom of the shell and is connected with the feeding gear, the motor teeth are mounted at the rotating shaft of the motor and are linked with the feeding gear through the multi-stage driving gear, the outer bottom of the shell is provided with a feeding pipe, the motor is located the outside of shell, and the pivot of motor runs through and stretches into in the shell, and the motor is fixed on the shell through an external screw that is located the shell outside and an internal screw that is located the shell.

As a further improvement, the housing comprises a gear box cover and a gear box bottom, and the outer wall of the gear box cover and the gear box bottom is buckled and fixed through a plurality of buckling positions.

As a further improvement, the buckle position includes the notched lug that buckles the arm and match with the groove, and the lug is located gear box bottom outer wall, buckles the arm and is located gear box lid outer wall.

As a further improvement of the utility model, the other end cover of output shaft is equipped with the metal covering, and the metal covering passes through mould internal injection moulding as an organic whole with the gear case lid.

As a further improvement of the utility model, the multiple cascade moves the gear including the one-level gear, second grade gear, tertiary gear, level four gear, fifth gear and the six-level gear that mesh in proper order, one-level gear and motor tooth meshing, six-level gear cover on the output shaft.

As a further improvement of the utility model, the two ends of the feeding pipe are respectively connected with a material passing pipe.

As a further improvement of the utility model, a notch has been opened respectively to the double-phase offside of inlet pipe, and pay-off gear and bearing are located corresponding notch department, have the splice bar between two notches, and the inlet pipe is connected with the bounding wall that surrounds the pay-off gear in pay-off gear side.

As a further improvement of the utility model, gear box cover, gear box bottom, material passing pipe, bounding wall, buckle arm, lug, motor tooth, one-level gear, second grade gear, tertiary gear, level four gear, fifth gear and six grade gears are the plastics material, gear box bottom, material passing pipe, bounding wall and lug integrated into one piece, gear box cover and buckle arm integrated into one piece.

Compared with the prior art, the utility model discloses a special novel motor gearbox of 3D drawing pen's beneficial effect as follows:

(1) the motor is placed outside the shell, so that the heat dissipation of the motor is facilitated, and the motor is more durable; the motor is fixed to the shell through the internal screw and the external screw, so that the operation of fixing the motor to the shell is more convenient.

(2) The outer walls of the gear box cover and the gear box bottom are provided with the buckling positions, so that the gear box cover and the gear box bottom are mutually buckled and fixed, the gear box cover and the gear box bottom are convenient to install, and the designed buckling positions do not occupy space.

(3) Through set up a metal covering on the gear box cover, the metal covering passes through mould internal injection moulding as an organic whole with the gear box lid for output shaft and metal covering direct contact, thereby the wearability is good, can protect the gear box lid that the plastics material was made.

(4) Through the design of splice bar for the material is difficult for wearing out the region outside the pay-off gear during the feeding, avoids causing and does not discharge the material.

The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.

Drawings

Fig. 1 is a perspective view of the novel motor gearbox dedicated for 3D painting brush of the present invention.

Fig. 2 is a perspective view two of the special novel motor gearbox for 3D painting brush of the present invention.

Fig. 3 is a three-dimensional view of the novel motor gearbox dedicated for 3D painting brush of the present invention.

Fig. 4 is a first perspective view of the 3D painting brush without a gearbox cover of the special novel motor gearbox.

Fig. 5 is a second perspective view of the 3D painting brush with the gearbox cover of the novel motor gearbox removed.

FIG. 6 is a perspective view of the 3D painting brush with the bottom of the gearbox of the novel motor gearbox removed.

Fig. 7 is a first perspective view of the gearbox cover.

Fig. 8 is a second perspective view of the gear box cover.

The utility model discloses the drawing reference number explains: the gear box comprises a shell 1, external screws 1a, internal screws 1b, a gear box cover 11, a metal sleeve 111, a gear box bottom 12, a buckling position 13, a buckling arm 131, a convex block 132, a feeding pipe 14, a notch 141, a connecting rib 142, a coaming 143, a motor 2, motor teeth 3, a multi-stage moving gear 4, a first-stage gear 41, a second-stage gear 42, a third-stage gear 43, a fourth-stage gear 44, a fifth-stage gear 45, a sixth-stage gear 46, an output shaft 5, a feeding gear 6, a bearing 7 and a material passing pipe 8.

Detailed Description

Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements throughout.

Referring to fig. 1-8, the novel motor gearbox for a 3D painting brush includes a housing 1, a motor 2, motor teeth 3, a multi-stage moving gear 4, an output shaft 5, a feeding gear 6, and a bearing 7. The motor gear 3, the multi-stage driving gear 4 and the output shaft 5 are all located in the shell 1, the mounting shafts of the output shaft 5 and the multi-stage driving gear 4 are connected with the inner top and the inner bottom of the shell 1, the feeding gear 6 and the bearing 7 are mounted at the outer bottom of the shell 1, one end of the output shaft 5 penetrates through the outer bottom of the shell 1 and is connected with the feeding gear 6, the motor gear 3 is mounted at the rotating shaft of the motor 2, and the motor gear 3 is linked with the feeding gear 6 through the multi-stage driving gear 4.

The housing 1 comprises a gear box cover 11 and a gear box bottom 12, and the gear box cover 11 and the gear box bottom 12 are both made of plastic materials. The outer walls of the gearbox cover 11 and the gearbox bottom 12 are fastened and fixed through a plurality of fastening positions 13. The buckling position 13 comprises a buckling arm 131 with a groove and a projection 132 matched with the groove, and the buckling arm 131 and the projection 132 are both made of plastic materials. The protrusion 132 is located on the outer wall of the gear box bottom 12 and integrally formed with the gear box bottom 12, and the retaining arm 131 is located on the outer wall of the gear box cover 11 and integrally formed with the gear box cover 11. A metal sleeve 111 is arranged on the gear box cover 11 of the shell 1, the metal sleeve 111 and the gear box cover 11 are formed into a whole through injection molding in a die, and the other end of the output shaft 5 is sleeved in the metal sleeve 111. The outer bottom of the gear box bottom 12 of the housing 1 is provided with a feed pipe 14 between the feed gear 6 and the bearing 7. The two opposite sides of the feeding pipe 14 are respectively provided with a notch 141, the feeding gear 6 and the bearing 7 are positioned at the corresponding notches 141, a connecting rib 142 is arranged between the two notches 141, the feeding pipe 14 is connected with a coaming plate 143 which surrounds the feeding gear 6 at the side of the feeding gear 6, the feeding pipe 14 and the coaming plate 143 are made of plastic materials, the feeding pipe 14 and the coaming plate 143 are integrally formed, and the feeding pipe 14 and the coaming plate 143 are integrally formed with the gear box bottom 12. Two ends of the feeding pipe 14 are respectively connected with a material passing pipe 8.

The motor 2 is positioned on the outer side of the shell 1, a rotating shaft of the motor 2 penetrates through the gear box bottom 12 of the shell 1 and extends into the gear box bottom 12 of the shell 1, and the motor 2 is fixed at the end part of the gear box bottom 12 of the shell 1 through an external screw 1a positioned outside the gear box bottom 12 of the shell 1 and an internal screw 1b positioned in the gear box bottom 12 of the shell 1.

The multi-stage moving gear 4 comprises a first-stage gear 41, a second-stage gear 42, a third-stage gear 43, a fourth-stage gear 44, a fifth-stage gear 45 and a sixth-stage gear 46 which are meshed in sequence, the first-stage gear 41 is meshed with the motor teeth 3, and the sixth-stage gear 46 is sleeved on an output shaft. The motor teeth 3, the first-stage gear 41, the second-stage gear 42, the third-stage gear 43, the fourth-stage gear 44, the fifth-stage gear 45 and the sixth-stage gear 46 are all made of plastic materials.

This special novel motor gearbox of 3D drawing pen circular telegram after, motor tooth 3 drives one-level gear 41, one-level gear 41 drives second grade gear 42, second grade gear 42 drives tertiary gear 43, tertiary gear 43 drives level four gear 44, level four gear 44 drives five-stage gear 45, five-stage gear 45 drives six-stage gear 46, six-stage gear 46 drives output shaft 5, output shaft 5 drives feeding gear 6, feeding gear 6 will insert the material in inlet pipe 14 and carry the heating head department hot melt and the ejection of compact of 3D drawing pen.

Through placing motor 2 in the outside of shell 1 to do benefit to the motor heat dissipation, make the motor more durable. The motor 2 is fixed to the shell 1 through the internal screw 1b and the external screw 1a, so that the operation of fixing the motor 2 to the shell 1 is more convenient.

The buckling positions 13 are designed on the outer walls of the gearbox cover 11 and the gearbox bottom 12, so that the gearbox cover 11 and the gearbox bottom 12 are mutually buckled and fixed, the installation is convenient, and the designed buckling positions 13 do not occupy space.

Through set up a metal covering 111 on gear box lid 11, metal covering 111 and gear box lid 11 are as an organic whole through the mould internal injection moulding for output shaft 5 and metal covering 111 direct contact, thereby the wearability is good, can protect the gear box lid 11 that the plastics material made.

Through the design of splice bar 142 for the material is difficult for wearing out the region outside pay-off gear 6 during the feeding, avoids causing and does not discharge the material.

The present invention has been described above with reference to the preferred embodiments, but the present invention is not limited to the above-disclosed embodiments, and various modifications, equivalent combinations, which are made according to the essence of the present invention, should be covered.

Claims

1. The utility model provides a special novel motor gearbox of 3D drawing pen, includes shell, motor tooth, the multiple cascade moves gear, output shaft, pay-off gear and bearing, motor tooth, the multiple cascade moves gear and output shaft all are located the shell, the interior top and the interior bottom of shell are all connected to the installation axle of output shaft and multiple cascade moves gear, and pay-off gear and bearing are installed in the outer bottom of shell, and the one end of output shaft runs through stretch out the shell bottom outside and with pay-off gear connection, the installation of pivot department of motor tooth, motor tooth are through the multiple cascade move gear linkage pay-off gear, and there is the inlet pipe that is located between pay-off gear and the bearing the outer bottom of shell, its characterized in that: the motor is located the outside of shell, and the pivot of motor runs through and stretches into in the shell, and the motor is fixed on the shell through an external screw that is located the shell outside and an internal screw that is located the shell.

2. The special novel motor gearbox for 3D painting brush as claimed in claim 1, characterized in that: the shell comprises a gear box cover and a gear box bottom, and the gear box cover and the outer wall of the gear box bottom are buckled and fixed through a plurality of buckling positions.

3. The special novel motor gearbox for 3D painting brush as claimed in claim 2, characterized in that: the buckling position comprises a buckling arm with a groove and a convex block matched with the groove, the convex block is positioned on the outer wall of the bottom of the gearbox, and the buckling arm is positioned on the outer wall of the gearbox cover.

4. The special novel motor gearbox for 3D painting brushes as claimed in claim 2 or 3, characterized in that: the other end of the output shaft is sleeved with a metal sleeve, and the metal sleeve and the gear box cover are integrated through in-mold injection molding.

5. The special novel motor gearbox for 3D painting brush as claimed in claim 4, characterized in that: the multi-stage driving gear comprises a primary gear, a secondary gear, a tertiary gear, a quaternary gear, a five-stage gear and a six-stage gear which are sequentially meshed, the primary gear is meshed with the motor teeth, and the six-stage gear is sleeved on the output shaft.

6. The special novel motor gearbox for 3D painting brush as claimed in claim 4, characterized in that: and two ends of the feeding pipe are respectively connected with a material passing pipe.

7. The special novel motor gearbox for 3D painting brush as claimed in claim 6, characterized in that: the two opposite sides of the feeding pipe are respectively provided with a notch, the feeding gear and the bearing are positioned at the corresponding notches, a connecting rib is arranged between the two notches, and the feeding pipe is connected with a coaming surrounding the feeding gear at the side of the feeding gear.

8. The special novel motor gearbox for 3D painting brush as claimed in claim 7, characterized in that: the gearbox cover, the gearbox bottom, the material passing pipe, the enclosing plate, the buckling arm, the convex block, the motor tooth, the primary gear, the secondary gear, the tertiary gear, the quaternary gear, the fifth gear and the sixth gear are all made of plastic materials, the gearbox bottom, the material passing pipe, the enclosing plate and the convex block are integrally formed, and the gearbox cover and the buckling arm are integrally formed.