CN109291435B

CN109291435B - From radiating 3D print pen

Info

Publication number: CN109291435B
Application number: CN201811430566.2A
Authority: CN
Inventors: 顾小莉; 梁敏; 许娜; 周聪; 桂凯旋
Original assignee: Anhui Polytechnic University
Current assignee: Anhui Polytechnic University
Priority date: 2018-11-27
Filing date: 2018-11-27
Publication date: 2020-12-01
Anticipated expiration: 2038-11-27
Also published as: CN109291435A

Abstract

The invention discloses a self-heat-dissipation 3D printing pen which comprises a pen shell, wherein a controller is installed on one side of the pen shell, a feed pipe is arranged in the middle of one end in the pen shell, a motor is fixed in the pen shell on one side of the feed pipe and electrically connected with the controller, and a feed gear is fixedly connected to the output end of the motor. The invention utilizes the force of discharging materials to push 2 gear wheels to rotate to drive the fan blade to rotate, thereby sucking the outside air from the air inlet and then discharging the air from the opening, effectively accelerating the heat dissipation of the pen point and rapidly cooling the extruded materials, after the feeding is stopped, under the action force of the torsion spring, the 2 gear wheels rotate reversely for a certain angle to suck the materials in the discharging channel to prevent the generation of wire drawing, when the aperture of the pen point needs to be adjusted, the arc-shaped slide block is slid to enable the discharging head with the corresponding aperture to be positioned under the discharging channel, and then the discharging head is clamped into the arc-shaped bayonet under the action force of the reset spring, so that the aperture of the pen point can be adjusted, and the use is convenient.

Description

From radiating 3D print pen

Technical Field

The invention relates to the technical field of 3D printing pens, in particular to a self-radiating 3D printing pen.

Background

Along with the development of science and technology, 3D printing technique is more and more commonly applied to each field, and meanwhile, 3D printing technique also appears in people's life with the form of more kinds of products, and 3D printing pen is then one of them kind, and it is different to realize 3D printing through the removal that the arm drove the printing shower nozzle with the 3D printer: the 3D printing pen is controlled by a hand of a person, the 3D printing pen can realize three-dimensional drawing according to the will of the person, namely, a user can draw three-dimensional patterns in a three-dimensional environment only through traditional painting brush operation.

At present, current 3D print pen all does not have heat abstractor, only lean on shower nozzle and air contact part and self and environment to dispel the heat work, under the 3D print pen operating condition, the shower nozzle temperature can be high, light is leaned on the shower nozzle to carry out self radiating effect with the environment slower, and because the material is extruded the temperature higher, can't obtain quick cooling, the model that leads to printing out is great with actual need model difference, the same 3D print pen can't satisfy user's multiple creation needs simultaneously, if: handwriting thickness, handwriting shape, special functions of the pen point and the like.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide a 3D printing pen with an adjustable aperture, which aims to solve the problems that the self heat dissipation effect is slow, the temperature of extruded materials is high, the materials cannot be cooled quickly, and various creation requirements of users cannot be met simultaneously in the background technology.

2. Technical scheme

In order to solve the problems, the invention adopts the following technical scheme:

a self-radiating 3D printing pen comprises a pen shell, a controller is installed on one side of the pen shell, a feeding pipe is arranged at the middle position of one end inside the pen shell, a motor is fixed inside the pen shell on one side of the feeding pipe and electrically connected with the controller, a conveying gear is fixedly connected with the output end of the motor, a guide wheel is installed inside the pen shell on one side of the conveying gear, a pen head is fixedly connected with the other end of the pen shell, a protective shell is installed on the outer side of the pen head, a feeding channel is arranged at the middle position of one side inside the pen head, a heating element is arranged inside the pen head at the middle position of the feeding channel and electrically connected with the controller, gear grooves are formed in the two sides of the pen head below the feeding channel, gears are arranged inside the gear grooves, the gears are meshed with each other, grooves are formed in the two sides of the gears, and fixing rods are arranged at the middle, the utility model discloses a gear fixing device, including gear recess, fixed rod, gear, protective case, pivot, gear groove, discharge channel, protection casing, the pivot is installed through first bearing on the nib lateral wall of dead lever one side, and the one end of pivot installs the flabellum, and the other end of pivot extends to gear recess inside and is connected with the dead lever through the second bearing, the inside discharging channel that is equipped with of nib of gear recess below, and discharging channel is located 2 gears under, be equipped with the arc spout on the nib lateral wall of discharging channel below, arc spout internally mounted has the arc regulating block, and the inside equidistant first stub bar, second stub bar, third stub bar of installing respectively of arc regulating block, all be equipped with the spout on the protective case of arc regulating block both sides, the both sides of arc regulating block all are equipped with the arc slider, and the arc slider runs.

Preferably, the clamping block grooves are formed in one sides of the arc-shaped sliding blocks on one sides of the first discharging head, the second discharging head and the third discharging head, the clamping blocks are mounted in the clamping block grooves through reset springs, and the clamping blocks are matched with the arc-shaped bayonets.

Preferably, the arc-shaped sliding block is matched with the sliding groove.

Preferably, the protective housing is spherical, the bottom of protective housing is equipped with the opening, and the both sides of protective housing are equipped with a plurality of air inlets equally.

Preferably, a torsion spring is arranged on the outer side of one end of the fixing rod.

Preferably, a material guide pipe is fixed inside the pen shell on one side of the feeding channel, and one end of the material guide pipe, which is far away from the feeding channel, extends to one side of the guide wheel and the conveying gear.

3. Advantageous effects

1. The invention fixedly connects a pen point at the other end of a pen shell, a protective shell is arranged outside the pen point, the protective shell is spherical, the bottom of the protective shell is provided with an opening, a plurality of air inlets are arranged between two sides of the protective shell, gear grooves are arranged on two sides inside the pen point below a feeding channel, gears are arranged inside the gear grooves, grooves are arranged on two sides of the gears, a fixed rod is arranged in the middle of each groove, a rotating shaft is arranged on the outer side wall of the pen point at one side of the fixed rod through a first bearing, a fan blade is arranged at one end of the rotating shaft, the other end of the rotating shaft extends into the gear grooves and is connected with the fixed rod through a second bearing, a discharging channel is arranged inside the pen point below the gear grooves and is positioned right below 2 gears, when melted materials are discharged from the discharging channel, 2 meshed gears are pushed, firstly, the 2 gears rotate between the 2 rotating shafts through the, and twist the torsional spring, after the torsional spring reaches certain degree, drive the axis of rotation to begin to rotate together while the gear rotates, thus drive the flabellum to rotate, (1) utilize the power that the supplies discharge to impel 2 gears to rotate and discharge the supplies, 2 produce a effect of stirring to the supplies while the gear rotates; (2) 2 the gear firstly twists the torsion spring between the two rotating shafts to rotate, and after feeding is stopped, the rotating shafts can be driven to rotate reversely by a certain angle under the action force of the torsion spring to suck materials in the discharging channel inwards so as to prevent the wire drawing phenomenon; (3) after the torsional spring reaches a certain degree, the gear drives the rotating shaft to rotate together when rotating, so that the fan blades are driven to rotate, outside air is sucked from the air inlet and then is discharged from the opening, and heat dissipation of the pen point and rapid cooling of the extruded material are effectively accelerated.

2. An arc-shaped chute is arranged on the outer side wall of the pen point below the discharging channel, an arc-shaped adjusting block is arranged in the arc-shaped chute, a first discharging head, a second discharging head and a third discharging head are respectively arranged in the arc-shaped chute at equal intervals, chutes are arranged on the protective shells on the two sides of the arc-shaped adjusting block, an arc-shaped bayonet is arranged on the protective shell at the middle position of one side of the chute, arc-shaped sliding blocks are arranged on the two sides of the arc-shaped adjusting block, the arc-shaped sliding blocks penetrate through the chutes and extend to one side of the protective shell, clamping block grooves are arranged on one sides of the arc-shaped sliding blocks on one sides of the first discharging head, the second discharging head and the third discharging head, clamping blocks are arranged in the clamping block grooves through reset springs, the clamping blocks are matched with the arc-shaped bayonet, when the caliber of the pen point needs to be adjusted, the clamping blocks in the arc-shaped bayonet, when adjusting the ejection of compact stub bar that corresponds the bore, ejection of compact stub bar one side fixture block will be popped out under reset spring's effect and go into inside the arc bayonet socket, and the arc slider that slides makes the ejection of compact head that corresponds the bore be located discharging channel under, can adjust the aperture of nib.

To sum up, utilize the power of material discharge to promote 2 gear wheel rotations and drive the fan blade and rotate, thereby inhale the outside air from the air inlet, then discharge from the opening, effectively accelerate the heat dissipation of nib and by the quick cooling of extruded material, and after stopping the pay-off, under the effort of torsional spring, 2 gear counter-rotation certain angles, absorb discharging channel's material inside, prevent the wire drawing and produce, when needs adjust the aperture of nib, the arc slider that slides makes the discharging head that corresponds the bore be located discharging channel under, at this moment inside the arc bayonet socket of card income under reset spring's effort, can adjust the aperture of nib, high durability and convenient use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the pen tip according to the present invention;

FIG. 3 is a schematic structural view of an arc-shaped adjusting block according to the present invention;

FIG. 4 is a schematic view of the construction of the gear of the present invention;

FIG. 5 is a schematic diagram of a side view of the pen tip of the present invention.

Reference numerals: 1-third discharge head, 2-arc adjusting block, 3-discharge channel, 4-gear, 5-pen head, 6-feed channel, 7-guide pipe, 8-controller, 9-conveying gear, 10-motor, 11-feed pipe, 12-guide wheel, 13-pen shell, 14-heating pipe, 15-protective shell, 16-gear groove, 17-arc chute, 18-first discharge head, 19-second discharge head, 20-first bearing, 21-fan blade, 22-second bearing, 23-torsion spring, 24-fixing rod, 25-rotating shaft, 26-groove, 27-chute, 28-air inlet, 29-opening, 30-arc bayonet, 31-arc slide block, 32-bayonet groove, 33-return spring, 34-latch.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1 to 5, a self-heat-dissipating 3D printing pen comprises a pen shell 13, a controller 8 is installed on one side of the pen shell 13, a feeding pipe 11 is installed at a middle position of one end inside the pen shell 13, a motor 10 is fixed inside the pen shell 13 on one side of the feeding pipe 11, the motor 10 is electrically connected with the controller 8, a conveying gear 9 is fixedly connected with an output end of the motor 10, a guide wheel 12 is installed inside the pen shell 13 on one side of the conveying gear 9, a pen point 5 is fixedly connected with the other end of the pen shell 13, a protective shell 15 is installed outside the pen point 5, the protective shell 15 is spherical, an opening 29 is formed at the bottom of the protective shell 15, a plurality of air inlets 28 are arranged between two sides of the protective shell 15, a feeding channel 6 is arranged at a middle position of one side inside the pen point 5, a material guiding pipe 7 is fixed inside the pen shell 13 on one side of the feeding channel 6, and one end of the material guiding pipe 7, which is far away from the feeding, a heating element 14 is arranged inside the pen point 5 at the middle position of the feeding channel 6, the heating element 14 is electrically connected with the controller 8, gear grooves 16 are arranged on two sides inside the pen point 5 below the feeding channel 6, gears 4 are arranged inside the

gear grooves

16, 2 gears 4 are meshed with each other, grooves 26 are arranged on two sides of each gear 4, a fixing rod 24 is arranged at the middle position of each groove 26, a rotating shaft 25 is arranged on the outer side wall of the pen point 5 at one side of each fixing rod 24 through a first bearing 20, a fan blade 21 is arranged at one end of each rotating shaft 25, the other end of each rotating shaft 25 extends into the gear groove 16 and is connected with the fixing rod 24 through a second bearing 22, a torsion spring 23 is arranged on the outer side of one end of each fixing rod 24, a discharging channel 3 is arranged inside the pen point 5 below the gear grooves 16, the discharging channel 3 is positioned right below the 2, arc spout 17 internally mounted has arc regulating block 2, and the equidistant first stub bar 18 of installing respectively in the inside of arc regulating block 2, second stub bar 19, third stub bar 1, all be equipped with spout 27 on the protecting crust 15 of arc regulating block 2 both sides, and be equipped with arc bayonet 30 on the protecting crust 15 of spout 27 one side intermediate position department, the both sides of arc regulating block 2 all are equipped with arc slider 31, and arc slider 31 runs through spout 27 and extends to protecting crust 15 one side, arc slider 31 and spout 27 match each other, first stub bar 18, second stub bar 19, arc slider 31 one side of third stub bar 1 one side all is equipped with fixture block groove 32, fixture block 34 is installed through reset spring 33 to fixture block groove 32 inside, and fixture block 34 matches each other with arc bayonet 30.

The specific application process comprises the following steps: when the device is used, the material wire is inserted into the feeding pipe 11, the material wire enters between the guide wheel 12 and the conveying gear 9 along the feeding pipe 11, at the moment, the controller 8 controls the output shaft of the motor 10 to rotate, the output shaft of the motor 10 rotates to drive the conveying gear 9 to rotate, the conveying gear 9 rotates to be matched with the guide wheel 12 to feed the material wire into the feeding channel 6 through the material guide pipe 7, the controller 8 controls the heating element 14 to heat, the heated and melted material wire enters between the 2 gear 4 and pushes the 2 gear 4, because the fan blade 21 is installed at one end of the rotating shaft 25, the other end of the rotating shaft 25 extends into the gear groove 16 and is connected with the fixed rod 24 through the second bearing 22, and the torsion spring 23 is arranged at the outer side of one end of the fixed rod 24, firstly, the 2 gears 4 rotate between the 2 rotating shafts 25 through the second bearing 22 to discharge the material, and the 2 gears, 2 the gear 4 will be twisted tightly the torsion spring 23, when the torsion spring 23 reaches a certain degree, 2 the gear 4 will rotate to drive the rotation shaft 25 to start rotating together, thereby driving the fan blade 21 to rotate, the fan blade 21 will rotate to guide the outside air from the air inlet 28 into the protective shell 15, then will be discharged from the opening 29, effectively accelerate the heat dissipation of the pen point 5 and the extruded material to cool quickly, when the feeding is stopped, will drive the rotation shaft 25 to rotate reversely by a certain angle under the action of the torsion spring 23, will suck the material inside the discharging channel 3, to prevent the wire drawing phenomenon, when the caliber of the pen point 5 needs to be adjusted, will pull the fixture block 32 inside the arc bayonet 30 upwards, and slide the arc slide block 31 to drive the arc adjusting block 2 to slide inside the arc chute 17, when adjusting the discharging head of the corresponding caliber, located right under the discharging channel 3, the arc slide block 31 corresponds to the reset spring 33, the latch 32 in the groove 26 is ejected out, so that the latch 32 is latched in the arc-shaped latch 30, and the aperture of the pen point 5 can be adjusted.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. A self-radiating 3D printing pen comprises a pen shell (13) and is characterized in that; the pen comprises a pen shell (13), a controller (8) is installed on one side of the pen shell (13), a feeding pipe (11) is arranged at the middle position of one end inside the pen shell (13), a motor (10) is fixed inside the pen shell (13) on one side of the feeding pipe (11), the motor (10) is electrically connected with the controller (8), a conveying gear (9) is fixedly connected with the output end of the motor (10), a guide wheel (12) is installed inside the pen shell (13) on one side of the conveying gear (9), a pen point (5) is fixedly connected with the other end of the pen shell (13), a protective shell (15) is installed on the outer side of the pen point (5), a feeding channel (6) is arranged at the middle position of one side inside the pen point (5), a heating element (14) is arranged inside the pen point (5) at the middle position of the feeding channel (6), the heating element (14) is electrically connected with the controller (8), gear grooves (16, the gear groove (16) is internally provided with gears (4), the 2 gears (4) are meshed with each other, grooves (26) are arranged on two sides of each gear (4), a fixing rod (24) is arranged at the middle position of each groove (26), a rotating shaft (25) is installed on the outer side wall of the pen point (5) on one side of the fixing rod (24) through a first bearing (20), one end of the rotating shaft (25) is provided with a fan blade (21), the other end of the rotating shaft (25) extends into the gear groove (16) and is connected with the fixing rod (24) through a second bearing (22), a discharging channel (3) is arranged inside the pen point (5) below the gear groove (16), the discharging channel (3) is located under the 2 gears (4), an arc-shaped sliding groove (17) is formed in the outer side wall of the pen point (5) below the discharging channel (3), and an arc-shaped adjusting block (2) is installed inside the, the first discharging head (18), the second discharging head (19) and the third discharging head (1) are arranged in the arc-shaped adjusting block (2) at equal intervals, sliding grooves (27) are formed in the protective shells (15) on two sides of the arc-shaped adjusting block (2), an arc-shaped bayonet (30) is formed in the protective shell (15) in the middle of one side of each sliding groove (27), arc-shaped sliding blocks (31) are arranged on two sides of the arc-shaped adjusting block (2), each arc-shaped sliding block (31) penetrates through the corresponding sliding groove (27) and extends to one side of the protective shell (15), clamping block grooves (32) are formed in one sides of the arc-shaped sliding blocks (31) on one sides of the first discharging head (18), the second discharging head (19) and the third discharging head (1), clamping blocks (34) are arranged in the clamping block grooves (32) through reset springs (33), and the clamping blocks (34) are matched with the arc-shaped bayonet (30); the arc-shaped sliding block (31) is matched with the sliding groove (27); and a torsion spring (23) is arranged on the outer side of one end of the fixing rod (24).

2. The self-heat-dissipation 3D printing pen according to claim 1, wherein the protective shell (15) is spherical, the bottom of the protective shell (15) is provided with an opening (29), and the two sides of the protective shell (15) are equally provided with a plurality of air inlets (28).

3. The self-heat-dissipation 3D printing pen as claimed in claim 1, wherein a material guide pipe (7) is fixed inside the pen shell (13) on one side of the feeding channel (6), and one end of the material guide pipe (7) far away from the feeding channel (6) extends to one side of the guide wheel (12) and the conveying gear (9).