CN112590212B

CN112590212B - Scald preventing 3D print pen with self-care function

Info

Publication number: CN112590212B
Application number: CN202011579417.XA
Authority: CN
Inventors: 秦旭名
Original assignee: Yiwu Luran Trade Co ltd
Current assignee: Yiwu Luran Trade Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2023-03-28
Anticipated expiration: 2040-12-28
Also published as: CN112590212A

Abstract

The invention discloses an anti-scald 3D printing pen with a self-care function, which comprises a pen body and a printing head, wherein a heating head is fixedly arranged on the bottom surface of the pen body, threads are arranged on the periphery of the heating head, a fastening cavity with an upward opening is arranged in the printing head, the inner wall of the fastening cavity can be in threaded connection with the periphery of the heating head, a positioning block is fixedly arranged on the bottom wall of the fastening cavity, a printing tube which is communicated up and down is fixedly embedded in the positioning block and the printing head, a heating cavity is formed in the heating head, a heater is fixedly arranged on the inner wall of the heating cavity, and a positioning cavity with a downward opening is arranged in the heating head.

Description

Scald preventing 3D print pen with self-care function

Technical Field

The invention relates to the field of 3D printing, in particular to an anti-scald 3D printing pen with a self-care function.

Background

The 3D printing pen is a very convenient 3D printing device, can carry out the preparation of product through melting linear printing consumables, and the consumable of molten condition cools off fast in the air to reach the effect of remolding, but will melt the consumable, the temperature is very high, and the user touches the scald extremely easily, because this kind of product children use more, it is necessary to accomplish the safety protection effect, the scald preventing 3D printing pen with self-care function that the invention set forth can solve above-mentioned problem.

Disclosure of Invention

In order to solve the above problems, the present example designs an anti-scald 3D printing pen with a self-care function, which comprises a pen body and a printing head, wherein a heating head is fixedly arranged on the bottom surface of the pen body, threads are arranged on the periphery of the heating head, a fastening cavity with an upward opening is arranged in the printing head, the inner wall of the fastening cavity is in threaded connection with the periphery of the heating head, a positioning block is fixedly arranged on the bottom wall of the fastening cavity, a printing tube which is vertically communicated is fixedly embedded in the printing head, a heating cavity is arranged in the heating head, a heater is fixedly arranged on the inner wall of the heating cavity, a positioning cavity with a downward opening is arranged in the heating head, the positioning block can be inserted into the positioning cavity, a conveying cavity is arranged in the pen body, a flow guide tube is fixedly embedded between the positioning cavities, the flow guide tube penetrates through the heater, a protective mechanism which can prevent scalding and can automatically cut off and clean the bottom of the printing head after use is arranged on the periphery of the pen body, the protective mechanism comprises two bilaterally symmetrical closed covers, an opening is arranged in the closed cover, the outer periphery of the bottom of the printing head is wrapped in the hollow cover, two laterally symmetrical and connected with a telescopic connection rod, two lateral sides of the rotary shaft are connected with a telescopic connection piece, a telescopic connection rod is arranged on the lower side of the printing head, the pen body is provided with a cavity, two lifting cavities which are bilaterally symmetrical and have outward openings are formed in the pen body, a lifting block is arranged on the inner wall of each lifting cavity in a sliding mode, the lifting block is hinged to the side close to the outside, and a driven connecting rod is hinged to the transmission connecting rod in the cavity.

Preferably, the solid pan feeding pipe that has inlayed in the upside inner wall of transport chamber, pan feeding pipe and external intercommunication, set up the opening button chamber towards the left in the handwriting, the inner wall horizontal slip of button chamber is equipped with the button, the right flank of button has set firmly the spreader, the right flank of button with fixed mounting has reset spring between the right wall in button chamber, button chamber right side intercommunication is equipped with the power chamber, the diapire fixed mounting in power chamber has the motor, the top surface electric connection of motor is equipped with control switch, spreader right side extension stretches into the power intracavity, and its right flank has set firmly the contact block, the contact block can with the control switch contact, the contact block with can start during the control switch contact the motor, motor trailing flank power connection is equipped with the motor shaft, the rear side in power chamber is seted up the gear chamber, the gear chamber is located carry the chamber rear side, the antetheca rotation in gear chamber is equipped with two bilateral symmetry's driven shaft, the periphery of driven shaft has set firmly two driven gear, driven gear intermeshing, drive gear's periphery has set firmly with the left side driven gear meshing.

Preferably, the forward extending part of the driven shaft extends into the conveying cavity, a rotating disc is fixedly arranged on the periphery of the forward extending part of the driven shaft, eight elastic cavities which are symmetrical to each other by taking the center of the rotating disc as the center are formed in the rotating disc, clamping blocks are arranged on the inner walls of the elastic cavities in a sliding mode and can be abutted to the consumable, and clamping springs are fixedly arranged between the side face, close to the driven shaft, of each clamping block and the side wall, close to the driven shaft, of each elastic cavity.

Preferably, the lifting block is arranged between the upper wall and the lower wall of the lifting cavity in a rotating mode, the lifting screw penetrates through the lifting block and is in threaded connection with the inner wall of the lifting block, a jacking spring is fixedly mounted between the top surface of the lifting block and the top wall of the lifting cavity, a transmission cavity is formed in the upper side of the lifting cavity, a spline sleeve is arranged on the bottom wall of the transmission cavity in a rotating mode, a spline shaft is fixedly arranged on the top surface of the lifting screw and penetrates through the spline sleeve and is connected with the top wall of the transmission cavity in a rotating mode, the spline shaft is in splined connection with the spline sleeve, a rotary gear is fixedly arranged on the periphery of the pen body, a ring cavity is arranged in the fixed box, an annular inner gear ring is arranged on the inner wall of the ring cavity in a rotating mode, the ring cavity is communicated with the transmission cavity, the rotary gear extending portion extends into the ring cavity and is meshed with the annular inner gear ring, a connecting cavity is arranged on the upper side of the transmission cavity, a vertical shaft is arranged on the bottom wall of the connecting cavity in a rotating mode, a vertical shaft is fixedly meshed with a vertical shaft, and a rack is arranged on the inner wall of the power button, and a rack is upwards meshed with the power button.

Preferably, a telescopic spring is fixedly installed between the side face, far away from the bottom of the printing head, of the cutting block and the side wall, far away from the printing head, of the telescopic cavity.

Preferably, the front side in transport chamber is opened and is equipped with the rectangle chamber, the inner wall in rectangle chamber has set firmly the control electroplax, the heater with control electroplax electric connection, display screen and keypad have been embedded in the front side inner wall of the handwriting, the display screen with the keypad with control electroplax electric connection.

The invention has the beneficial effects that: the invention not only has the printing function of a 3D printing pen, but also can effectively prevent a user from being accidentally scalded by touching the closed sealing cover, and can automatically cut off the tail end of the consumable used for the last time when the consumable is closed, so that the consumable can be used more conveniently and more cleanly in the next using process, wherein the protection mechanism can start the printing function and can also expand the sealing cover to two sides only by pressing the button.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

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

FIG. 2 is a schematic view showing the internal structure of a gear chamber in the present invention.

Fig. 3 is a schematic view of the internal structure of a rectangular chamber according to the present invention.

Fig. 4 is a schematic view of the position of the display screen and the keypad in the present invention.

Fig. 5 is an enlarged schematic view of a structure at a in fig. 1.

Fig. 6 is an enlarged schematic view of B in fig. 1.

Fig. 7 is an enlarged schematic view of the structure at C in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-7, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below coincide with the up, down, left, right, and front-back directions in the projection relation of fig. 1 itself.

The scald-preventing 3D printing pen with the self-care function comprises a pen body 19 and a printing head 36, wherein a heating head 41 is fixedly arranged on the bottom surface of the pen body 19, threads are arranged on the periphery of the heating head 41, a fastening cavity 40 with an upward opening is arranged in the printing head 36, the inner wall of the fastening cavity 40 can be in threaded connection with the periphery of the heating head 41, a positioning block 38 is fixedly arranged on the bottom wall of the fastening cavity 40, a printing pipe 37 which is vertically communicated is fixedly embedded in the positioning block 38 and the printing head 36, a heating cavity 43 is arranged in the heating head 41, a heater 42 is fixedly arranged on the inner wall of the heating cavity 43, a positioning cavity 39 with a downward opening is arranged in the heating head 41, the positioning block 38 can be inserted into the positioning cavity 39, a conveying cavity 25 is arranged in the pen body 19, and a guide pipe 64 is fixedly embedded between the conveying cavity 25 and the positioning cavity 39, the honeycomb duct 64 penetrates through the heater 42, the periphery of the pen body 19 is provided with a protection mechanism 101 which can prevent scalding and can automatically cut off and clean the bottom of the printing head 36 after use, the protection mechanism 101 comprises two bilateral symmetry closed covers 33, a hollow cover cavity 34 with an opening facing the printing head 36 is formed in the closed cover 33, the printing head 36 can be wrapped in the hollow cover cavity 34 when the closed cover 33 is closed, an opening facing the telescopic cavity 69 of the printing head 36 is formed in the lower side of the hollow cover cavity 34, a cutting block 71 is arranged on the inner wall of the telescopic cavity 69 in a sliding mode, the left cutting block 71 and the right cutting block 71 can be mutually abutted, consumable materials 18 positioned below the printing pipe 37 can be cut off during abutting, two bilateral symmetry fixed blocks 31 are fixedly arranged on the periphery of the pen body 19, and a rotating shaft 32 is arranged on the front side face of the fixed block 31, the periphery of rotation axis 32 sets firmly rotatory piece 44, rotatory piece 44 with enclosure 33 fixed connection, the periphery of rotatory piece 44 sets firmly transmission connecting rod 30, set up cavity 29 in the transmission connecting rod 30, set up two bilateral symmetry and opening outward lift chamber 26 in the handwriting 19, the inner wall of lift chamber 26 slides from top to bottom and is equipped with lift piece 28, lift piece 28 is close to the articulated driven connecting rod 45 that is equipped with in external side, driven connecting rod 45 with transmission connecting rod 30 is in articulated in the cavity 29.

Beneficially, a feeding pipe 17 is fixedly embedded in an inner wall of an upper side of the conveying cavity 25, the feeding pipe 17 is communicated with the outside, a button cavity 13 with an opening facing to the left is formed in the pen body 19, a button 11 is arranged on an inner wall of the button cavity 13 in a left-right sliding manner, a cross column 21 is fixedly arranged on a right side surface of the button 11, a return spring 12 is fixedly arranged between the right side surface of the button 11 and a right wall of the button cavity 13, a power cavity 15 is communicated with the right side of the button cavity 13, a motor 20 is fixedly arranged on a bottom wall of the power cavity 15, a control switch 16 is electrically connected to a top surface of the motor 20, a right extending portion of the cross column 21 extends into the power cavity 15, a contact block 14 is fixedly arranged on the right side surface of the cross column, the contact block 14 can be contacted with the control switch 16, the contact block 14 can start the motor 20 when being contacted with the control switch 16, a motor shaft 48 is arranged on the rear side of the motor 20 in a power connection manner, a gear cavity 47 is arranged on the rear side of the power cavity 15, the gear cavity 47 is positioned on the rear side of the conveying cavity 25, two driven shafts 51 which are bilaterally symmetrical are arranged on the front wall of the gear cavity 47 in a rotating manner, driven gears 50 are fixedly arranged on the peripheries of the driven shafts 51, the two driven gears 50 are meshed with each other, a transmission gear 49 is fixedly arranged on the periphery of the motor shaft 48, the transmission gear 49 is meshed with the driven gear 50 positioned on the left side, when printing is needed, the button 11 can be moved rightwards by manually pressing the button 11, the cross column 21 can drive the contact block 14 to move rightwards to contact the control switch 16, so that the motor 20 can be started, at the moment, the motor shaft 48 can drive the transmission gear 49 to rotate, so that the two driven shafts 51 can rotate in opposite directions, and the driven shaft 51 positioned at the left side rotates clockwise and the driven shaft 51 positioned at the right side rotates counterclockwise.

Advantageously, the forward extending portion of the driven shaft 51 extends into the conveying cavity 25, a rotating disc 66 is fixedly arranged on the outer periphery of the forward extending portion, eight elastic cavities 67 symmetrical to the center of the rotating disc 66 are formed in the rotating disc 66, clamping blocks 65 are slidably arranged on the inner walls of the elastic cavities 67, the clamping blocks 65 can abut against the consumable 18, clamping springs 68 are fixedly arranged between the side surfaces of the clamping blocks 65 close to the driven shaft 51 and the side walls of the elastic cavities 67 close to the driven shaft 51, when the consumable 18 is manually added into the conveying cavity 25 through the feeding pipe 17, the clamping blocks 65 can drive the consumable 18 to be conveyed downwards through the rotation of the two driven shafts 51, and the consumable 18 can be output to the outside after being heated and melted through the diversion pipe 64 and the printing pipe 37.

Beneficially, a lifting screw 27 is rotatably disposed between the upper wall and the lower wall of the lifting cavity 26, the lifting screw 27 penetrates through the lifting block 28 and is in threaded connection with the inner wall of the lifting block 28, a jacking spring 46 is fixedly mounted between the top surface of the lifting block 28 and the top wall of the lifting cavity 26, a transmission cavity 61 is disposed at the upper side of the lifting cavity 26, a spline housing 72 is rotatably disposed at the bottom wall of the transmission cavity 61, a spline shaft 63 is fixedly disposed at the top surface of the lifting screw 27, the spline shaft 63 penetrates through the spline housing 72 and is rotatably connected with the top wall of the transmission cavity 61, the spline shaft 63 is in splined connection with the spline housing 72, a rotating gear 62 is fixedly disposed at the outer periphery of the spline housing 72, a fixed box 56 is fixedly disposed at the outer periphery of the pen body 19, an annular cavity 60 is disposed in the fixed box 56, an annular inner gear ring 58 is rotatably disposed at the inner wall of the annular cavity 60, and the annular cavity 60 is communicated with the transmission cavity 61, the extension part of the rotating gear 62 extends into the annular cavity 60 and is meshed with the annular inner gear ring 58, a connecting cavity 57 is arranged on the upper side of the transmission cavity 61 on the left side, a vertical shaft 24 is rotatably arranged on the bottom wall of the connecting cavity 57, a connecting gear 59 is fixedly arranged on the periphery of the vertical shaft 24, the connecting cavity 57 is communicated with the annular cavity 60, the extension part of the connecting gear 59 extends into the annular cavity 60 and is meshed with the annular inner gear ring 58, the upward extension part of the vertical shaft 24 extends into the button cavity 13, a power gear 23 is fixedly arranged on the top surface of the vertical shaft 24, a rack 22 is fixedly embedded in the inner wall of the lower side of the button 11, the rack 22 is meshed with the power gear 23, when the button 11 is pressed towards the right side, the rack 22 can drive the vertical shaft 24 to rotate, so that the connecting gear 59 can drive the annular inner gear ring 58 to rotate, further, the spline housing 72 can be driven by the rotary gear 62 to rotate, the lifting screw 27 can be driven by the spline shaft 63 to rotate, the lifting block 28 can be lifted at the moment, the driven connecting rod 45 can be driven to pull the transmission connecting rod 30 to rotate, the closed cover 33 can be driven by the rotary block 44 to be unfolded towards two sides, the printing head 36 can normally output the consumable 18 in a molten state to print, when the button 11 is released, the closed cover 33 can be reset and closed through the jacking spring 46, and a user can be prevented from being accidentally contacted with the printing head 36 to scald.

Advantageously, a telescopic spring 70 is fixedly mounted between the side of the cutting block 71 away from the bottom of the print head 36 and the side wall of the telescopic cavity 69 away from the print head 36, and the two cutting blocks 71 can be abutted against each other through the telescopic spring 70 to achieve the cutting effect.

Beneficially, a rectangular cavity 52 is formed in the front side of the conveying cavity 25, a control electric plate 53 is fixedly arranged on the inner wall of the rectangular cavity 52, the heater 42 is electrically connected with the control electric plate 53, a display screen 54 and a key plate 55 are fixedly embedded in the inner wall of the front side of the pen body 19, the display screen 54 and the key plate 55 are electrically connected with the control electric plate 53, the heating temperature can be controlled through the key plate 55 and the control electric plate 53, and the temperature condition can be displayed through the display screen 54.

The following describes in detail the usage steps of the scald preventing 3D printing pen with self-care function with reference to fig. 1 to 7:

in the initial state, the two contact blocks 73 are in contact with each other, the closing cover 33 is in the closed state, and the contact block 14 is not in contact with the control switch 16.

When printing is needed, the button 11 is manually pressed rightwards, the button 11 can be moved rightwards, the cross column 21 can drive the contact block 14 to move rightwards to move the contact control switch 16, so that the motor 20 can be started, at the moment, the motor shaft 48 can rotate to drive the transmission gear 49 to rotate, so that the two driven shafts 51 can rotate in opposite directions, the driven shaft 51 on the left side can rotate clockwise, the driven shaft 51 on the right side can rotate anticlockwise, when the consumable 18 is manually added into the conveying cavity 25 through the feeding pipe 17, the consumable 18 can be conveyed downwards through the clamping block 65 driven by the rotation of the two driven shafts 51, the consumable 18 can be output to the outside after being heated and melted through the guide pipe 64 and the printing pipe 37, and when the button 11 is pressed rightwards, the rack 22 can drive the vertical shaft 24 to rotate, therefore, the connecting gear 59 can drive the annular inner gear ring 58 to rotate, the rotating gear 62 can drive the flow guide pipe 64 to rotate, the spline shaft 63 can drive the lifting screw 27 to rotate, the lifting block 28 can be lifted at the moment, the driven connecting rod 45 can drive the transmission connecting rod 30 to rotate, the rotating block 44 can drive the sealing cover 33 to expand towards two sides, the printing head 36 can normally output consumable materials 18 in a molten state to print, when the button 11 is released, the sealing cover 33 can be reset and closed through the jacking spring 46, a user can be prevented from being accidentally contacted with the printing head 36 to scald, the two cutting blocks 71 can be mutually abutted through the telescopic spring 70 to achieve a cutting effect, the heating temperature can be controlled through the key board 55 and the control electric board 53, and the temperature condition can be displayed through the display screen 54.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a scald preventing 3D print pen with self-care function, includes the handwriting and beats printer head, its characterized in that: the bottom surface of the pen body sets firmly the heating head, the periphery of the heating head is provided with threads, be equipped with the fastening chamber that opening up in the printing head, the inner wall in fastening chamber with heating head periphery can threaded connection, fastening chamber diapire sets firmly the locating piece, the locating piece with the printing head is embedded to have the printing tube that link up from top to bottom, the heating chamber has been seted up in the heating head, heating chamber inner wall has set firmly the heater, be equipped with opening down's location chamber in the heating head, the locating piece can insert in the location chamber, the internal transport chamber that has seted up of pen, the transport chamber with the location chamber between has set firmly the honeycomb duct, the honeycomb duct runs through the heater, the pen body periphery is equipped with can prevent scalding and can cut off the clearance after the end of use the protection machanism of printing head bottom, protection machanism includes the enclosure of two bilateral symmetry, the opening face has been seted up in the enclosure, the enclosure is closed, when the enclosure is closed, the printing head can be wrapped up in the enclosure, the opening face has seted up the flexible chamber of the printing head, the internal wall of flexible connection piece, the internal wall is equipped with the external connection piece, the external connection piece is connected to the external rotation axis of the external connection piece, and the external connection piece is connected to the external connection piece, the inner wall of the lifting cavity is provided with a lifting block in a vertical sliding manner, the side, close to the outside, of the lifting block is hinged with a driven connecting rod, and the driven connecting rod is hinged with the transmission connecting rod in the cavity; a feeding pipe is fixedly embedded in the inner wall of the upper side of the conveying cavity, the feeding pipe is communicated with the outside, a button cavity with an opening facing to the left is formed in the pen body, a button is arranged on the inner wall of the button cavity in a left-right sliding mode, a cross column is fixedly arranged on the right side face of the button, a reset spring is fixedly arranged between the right side face of the button and the right wall of the button cavity, a power cavity is formed in the right side of the button cavity in a communicated mode, a motor is fixedly arranged on the bottom wall of the power cavity, a control switch is electrically connected to the top face of the motor, the right extending portion of the cross column extends into the power cavity, a contact block is fixedly arranged on the right side face of the cross column and can be in contact with the control switch, the motor can be started when the contact block is in contact with the control switch, a motor shaft is dynamically connected to the rear side face of the motor, a gear cavity is formed in the rear side of the power cavity, two driven shafts which are symmetrical left and right, driven gears are rotatably arranged on the periphery of the driven shaft, and are fixedly arranged on the periphery of the driven shafts; the forward extending part of the driven shaft extends into the conveying cavity, a rotating disc is fixedly arranged on the periphery of the forward extending part of the driven shaft, eight elastic cavities which are symmetrical by taking the center of the rotating disc are formed in the rotating disc, clamping blocks are arranged on the inner walls of the elastic cavities in a sliding mode and can be abutted against the consumable materials, and clamping springs are fixedly arranged between the side face, close to the driven shaft, of each clamping block and the side wall, close to the driven shaft, of each elastic cavity; a lifting screw rod is rotatably arranged between the upper wall and the lower wall of the lifting cavity, the lifting screw rod penetrates through the lifting block and is in threaded connection with the inner wall of the lifting block, a jacking spring is fixedly arranged between the top surface of the lifting block and the top wall of the lifting cavity, a transmission cavity is formed in the upper side of the lifting cavity, a spline housing is rotatably arranged on the bottom wall of the transmission cavity, a spline shaft is fixedly arranged on the top surface of the lifting screw rod, the spline shaft penetrates through the spline housing and is rotatably connected with the top wall of the transmission cavity, the spline shaft is in splined connection with the spline housing, a rotary gear is fixedly arranged on the periphery of the spline housing, a fixed box is fixedly arranged on the periphery of the pen body, and an annular cavity is formed in the fixed box, the inner wall of annular chamber rotates and is equipped with annular internal gear ring, the annular chamber with transmission chamber intercommunication, rotatory gear extension stretches into in the annular chamber, and with the meshing of annular internal gear ring is located the left side the upside in transmission chamber has been seted up and has been connected the chamber, the diapire rotation in connection chamber is equipped with the vertical axis, the periphery of vertical axis has set firmly connecting gear, connect the chamber with the annular chamber intercommunication, connecting gear extension stretches into in the annular chamber, and with the meshing of annular internal gear ring, the upwards extension of vertical axis stretches into the button intracavity, and its top surface has set firmly power gear, the rack has been embedded to the downside inner wall of button admittedly, the rack with power gear meshes.

2. The scald-preventing 3D printing pen with the self-care function as claimed in claim 1, wherein: the cutting block is far away from the side face of the bottom of the printing head and the telescopic cavity is far away from a telescopic spring fixedly arranged between the side walls of the printing head.

3. The scald-preventing 3D printing pen with a self-care function as claimed in claim 2, wherein: carry the front side in chamber to open and be equipped with the rectangle chamber, the inner wall in rectangle chamber has set firmly the control electroplax, the heater with control electroplax electric connection, display screen and keypad have been embedded in the front side inner wall of handwriting, the display screen with the keypad with control electroplax electric connection.