CN111941840A - 3D printing pen device capable of preventing pen point from being blocked or wire drawing - Google Patents
3D printing pen device capable of preventing pen point from being blocked or wire drawing Download PDFInfo
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- CN111941840A CN111941840A CN202010859532.6A CN202010859532A CN111941840A CN 111941840 A CN111941840 A CN 111941840A CN 202010859532 A CN202010859532 A CN 202010859532A CN 111941840 A CN111941840 A CN 111941840A
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- cavity
- feeding
- sliding
- fixedly connected
- bevel gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses a 3D printing pen device capable of preventing pen points from being blocked or drawn wires; the telescopic pen point can be automatically retracted into the pen point sliding cavity when a user drops a pen or other irregular operations, the use safety of the user is further ensured, a melt push rod arranged in the pen point discharging cavity can automatically push residual melt out of the pen point discharging cavity when the printing is finished, so that the risk of blocking the pen point by cooling the melt is avoided, and meanwhile, a wire drawing cutting plate arranged on the lower end wall of the pen point sliding cavity is arranged, the wire drawing that 3D print pen produced has been reduced to a very big extent.
Description
Technical Field
The invention relates to the technical field of 3D printing, in particular to a 3D printing pen device capable of preventing pen points from being blocked or wire drawing.
Background
3D printing pen is based on 3D prints, extrudes the plastics of hot melt, then cools off rapidly in the air, and the final solidification becomes stable state, and existing 3D printing pen produces the wire drawing easily at printing the in-process, need the manual work to clear up after printing, and 3D printing pen can produce a large amount of heats in the nib position moreover, if the accident of scalding very easily takes place for misoperation, the nib can be blockked up if untimely clearance of refrigerated melt simultaneously.
Disclosure of Invention
Aiming at the defects of the technology, the invention provides the 3D printing pen device capable of preventing the pen point from being blocked or the wire drawing, and the defects can be overcome.
The invention relates to a 3D printing pen device capable of preventing pen points from being blocked or wire drawing, which comprises a main box body, wherein a feeding cavity with an upward opening is arranged in the main box body, a lower feeding cavity is communicated and arranged at the lower side of the feeding cavity, a melt block fixedly connected with the main box body is arranged at the lower side of the lower feeding cavity, a feeding cavity is vertically communicated and arranged in the melt block, the feeding cavity is upwards communicated with the lower feeding cavity, two melt conveying pipes which are symmetrical left and right are communicated and arranged at the lower side of the feeding cavity, a feeding belt cavity is arranged at the lower side of the feeding cavity, a propeller shaft which upwards extends through the feeding cavity to the lower feeding cavity and downwards extends into the feeding belt cavity is rotationally and fittingly connected to the lower end wall of the feeding cavity, a feeding propeller is fixedly connected to the propeller shaft, and an upper heating pipe which is annularly arranged at the center of the feeding, a key cavity with a leftward opening is formed in the left side face of the main box body, a key is connected in the key cavity in a sliding fit manner, a key spring is fixedly connected between the right end face of the key and the right end wall of the key cavity, a key pull rope is fixedly connected to the right end face of the key, a lead screw rotating shaft cavity is formed between the left side melt conveying pipe and the right side melt conveying pipe and is positioned at the lower side of the feed belt cavity, a rotating shaft belt positioned at the lower side of the feed belt cavity is communicated with the rear side of the lead screw rotating shaft cavity, an end face gear cavity positioned at the lower side of the feed belt cavity is communicated with the rear side of the rotating shaft belt, a feed driven belt wheel is fixedly connected at the tail end of the lower side of the propeller shaft, a lead screw rotating shaft extending downwards into the lead screw rotating shaft cavity is connected in an upper, and the outer circular surface of the screw rod rotating shaft is fixedly connected with a screw rod rotating belt wheel positioned in the screw rod rotating shaft cavity.
On the basis of the technical scheme, the lower side of the screw rod rotating shaft cavity is communicated with a small screw rod sliding cavity, the lower side of the small screw rod sliding cavity is communicated with a push rod cavity, the lower side of the push rod cavity is communicated with a pen head cavity, the lower side of the pen head cavity is communicated with a heat preservation block sliding cavity with a downward opening, the lower end surface of the main box body is fixedly connected with a heat insulation block, a pen head sliding cavity with a downward opening and communicated with the heat preservation block sliding cavity is arranged in the heat insulation block, a pen head which extends downwards to penetrate through the heat preservation block sliding cavity to the pen head sliding cavity is connected in a sliding fit manner in the pen head cavity, the pen head is connected with the pen head sliding cavity in a sliding fit manner, a pen head discharging cavity is arranged in the pen head in an up-and-down through manner, and a melt push rod which extends, fixedly connected with on the refill with the melt heat insulating block that heat insulating block sliding chamber sliding fit connects, be equipped with the nut in the melt push rod and rotate the chamber, the nut rotates the chamber downside and is equipped with and upwards extends and runs through the nut rotates chamber to the ascending lower lead screw sliding chamber of opening, lead screw sliding chamber sliding fit is connected with and upwards extends and runs through down little lead screw sliding chamber extremely go up lead screw sliding chamber and with the lead screw that goes up lead screw sliding chamber sliding fit connects, screw-thread fit is connected with the nut rotates the screw-nut that chamber rotating fit connects.
On the basis of the technical scheme, an annular rack cavity which is arranged by taking the pen point discharging cavity as a central ring is communicated and arranged in the inner wall of the sliding cavity of the heat preservation block, a lower heating pipe which is arranged by taking the pen point discharging cavity as a central ring is fixedly connected in the melting material heat preservation block, an annular rack which can be matched with the outer circular surface of the melting material heat preservation block in a rotating and matching way is connected with an annular rack, a feeding straight gear cavity is communicated and arranged on the rear side of the annular rack cavity, the upper end wall of the feeding straight gear cavity is connected with a feeding belt wheel shaft which extends downwards into the feeding straight gear cavity and upwards extends through the end surface gear cavity to the feeding belt cavity in a rotating and matching way, a feeding driving belt wheel is fixedly connected at the tail end of the upper side of the feeding belt wheel shaft, a feeding belt wheel is connected with a feeding belt in a power matching way between the feeding driving belt wheel and the feeding driven, terminal fixedly connected with terminal surface toothed belt wheel of terminal surface tooth turning block downside, terminal surface toothed belt wheel with power fit is connected with the terminal surface tooth belt between the lead screw rotation band pulley, terminal surface tooth turning block up end fixedly connected with the terminal surface tooth that pay-off band pulley shaft normal running fit is connected, pay-off band pulley shaft is epaxial fixedly connected with and is located the terminal surface gear intracavity just is located the terminal surface tooth electro-magnet of terminal surface tooth upside, pay-off band pulley shaft is epaxial spline fit is connected with and is located terminal surface tooth electro-magnet with terminal surface tooth sliding block between the terminal surface tooth, fixedly connected with slip terminal surface tooth on the terminal surface tooth sliding block, terminal surface tooth sliding block with fixedly connected with terminal surface tooth spring between the terminal surface tooth electro-magnet.
On the basis of the technical scheme, the tail end of the lower side of the feeding belt wheel shaft is fixedly connected with a feeding straight gear meshed with an annular rack, the right side of the melting material conveying pipe is provided with a motor fixedly connected with the main box body, the right side of the motor is provided with a motor belt cavity, the lower side of the motor is provided with a sliding bevel gear cavity positioned between the melting material conveying pipe and the motor belt cavity on the right side, the left end wall of the motor belt cavity is connected with a sliding bevel gear shaft which extends rightwards into the motor belt cavity and leftwards penetrates through the sliding bevel gear cavity to the left end wall of the sliding bevel gear cavity in a rotating and matching manner, the right side of the annular rack cavity is communicated with a pen head gear cavity, the lower end wall of the sliding bevel gear cavity is connected with a bevel gear shaft which extends upwards into the sliding bevel gear cavity and downwards into the, terminal fixedly connected with of bevel gear axle downside with annular rack toothing's nib straight-teeth gear, the terminal fixedly connected with bevel gear of bevel gear axle upside bevel gear, the spline fit connection has bevel gear axle sleeve on the slip bevel gear axle, the terminal fixedly connected with in bevel gear axle sleeve right side can with bevel gear meshing's right side slip bevel gear, the terminal fixedly connected with in bevel gear axle sleeve left side can with bevel gear meshing's left side slip bevel gear, left side slip bevel gear with fixedly connected with slip axle sleeve spring between the slip bevel gear chamber left end wall, the button stay cord other end with left side slip bevel gear left end face fixed connection.
On the basis of the technical scheme, the terminal fixedly connected with motor driven pulleys in slip bevel gear axle right side, motor right-hand member face fixedly connected with extends to right the motor shaft of motor belt intracavity, the terminal fixedly connected with motor belt pulley in motor shaft right side, motor belt pulley with power fit is connected with the motor belt between the motor driven pulleys, the intercommunication is equipped with two bilateral symmetry and the written feeding chamber of opening to in the written ejection of compact chamber lateral wall, melt conveyer pipe downside can with written feeding chamber intercommunication sets up, the articulated wire drawing cutting board that has two bilateral symmetry on the written slip chamber lateral wall.
The invention has the beneficial effects that: the thermal-insulated effect of thermoinsulating piece makes the difficult loss of nib heat, and avoid the melt to scald operating personnel, the telescopic nib, can withdraw automatically to the nib sliding cavity when the user falls pen or other irregular operations, user's safety in utilization has further been ensured, the melt push rod of setting in nib ejection of compact intracavity, can release nib ejection of compact chamber with remaining melt automatically when printing the end outside, thereby the risk of nib is plugged up to the cooling melt has been avoided, set up the wire drawing cutting board of end wall under the nib sliding cavity simultaneously, the wire drawing that the 3D print pen produced has been reduced to a very big extent.
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.
FIG. 1 is a schematic structural view of a 3D printing pen device capable of preventing pen point from being blocked or drawn;
FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;
FIG. 3 is an enlarged view of the structure at C in FIG. 2;
FIG. 4 is an enlarged view of the structure of FIG. 2 at D;
FIG. 5 is an enlarged view of the structure at B in FIG. 1;
FIG. 6 is an enlarged schematic view of FIG. 2 at E;
fig. 7 is an enlarged schematic view of the structure at F in fig. 1.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-7, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
As shown in fig. 1-7, the 3D printing pen device capable of preventing pen point from blocking or drawing comprises a main box 10, a feeding cavity 11 with an upward opening is arranged in the main box 10, a lower feeding cavity 12 is communicated with the lower side of the feeding cavity 11, a melt block 13 fixedly connected with the main box 10 is arranged on the lower side of the lower feeding cavity 12, a feeding cavity 22 is vertically communicated in the melt block 13, the feeding cavity 22 is upwardly communicated with the lower feeding cavity 12, two melt conveying pipes 19 which are symmetrical left and right are communicated with the lower side of the feeding cavity 22, a feeding belt cavity 23 is arranged on the lower side of the feeding cavity 22, a propeller shaft 21 which extends upwards through the feeding cavity 22 to the lower feeding cavity 12 and extends downwards to the feeding belt cavity 23 is connected in a rotating fit manner to the lower end wall of the feeding cavity 22, a feeding propeller 20 is fixedly connected to the propeller shaft 21, the melting block 13 is internally and fixedly connected with an upper heating pipe 14 which is annularly arranged at the center of the feeding cavity 22, a key cavity 18 with a leftward opening is arranged in the left side face of the main box body 10, a key 17 is connected in the key cavity 18 in a sliding fit manner, a key spring 16 is fixedly connected between the right end face of the key 17 and the right end wall of the key cavity 18, a key pull rope 15 is fixedly connected with the right end face of the key 17, a lead screw rotating shaft cavity 40 is arranged between the melting conveying pipe 19 at the left side and the melting conveying pipe 19 at the right side, the lead screw rotating shaft cavity 40 is arranged at the lower side of the feeding belt cavity 23, a rotating shaft belt 60 which is arranged at the lower side of the feeding belt cavity 23 is communicated with the rear side of the lead screw rotating shaft cavity 40, an end face gear cavity 34 which is arranged at the lower side of the feeding belt cavity 23 is communicated with the rear side of the rotating shaft, the upper end wall of the screw rotating shaft cavity 40 is connected with a screw rotating shaft 41 which extends downwards into the screw rotating shaft cavity 40 in a rotating fit mode, an upper screw sliding cavity 39 with a downward opening is arranged in the screw rotating shaft 41, and a screw rotating belt wheel 38 which is located in the screw rotating shaft cavity 40 is fixedly connected to the outer circular surface of the screw rotating shaft 41.
In addition, in one embodiment, a small lead screw sliding cavity 37 is communicated with the lower side of the lead screw rotating shaft cavity 40, a push rod cavity 47 is communicated with the lower side of the small lead screw sliding cavity 37, a pen head cavity 71 is communicated with the lower side of the push rod cavity 47, a heat insulation block sliding cavity 70 with a downward opening is communicated with the lower side of the pen head cavity 71, a heat insulation block 77 is fixedly connected to the lower end surface of the main box 10, a pen head sliding cavity 65 with a downward opening and communicated with the heat insulation block sliding cavity 70 is arranged in the heat insulation block 77, a pen head 72 which extends downwards through the heat insulation block sliding cavity 70 to the pen head sliding cavity 65 is connected in a sliding fit manner in the pen head cavity 71, the pen head 72 is connected with the pen head sliding cavity 65 in a sliding fit manner, a pen head discharging cavity 66 is vertically communicated in the pen head discharging cavity 66, a melt rod 44 which extends upwards into the push rod cavity 47 and is connected with the push rod cavity 47 in a sliding fit manner is, fixedly connected with on the nib 72 with the melt heat preservation piece 67 that heat preservation piece sliding chamber 70 sliding fit is connected, be equipped with the nut in the melt push rod 44 and rotate chamber 46, the nut rotates chamber 46 downside and is equipped with and upwards extends and runs through the nut rotates chamber 46 to the ascending lower lead screw sliding chamber 43 of opening, sliding fit is connected with and upwards extends and runs through in the lead screw sliding chamber 43 down little lead screw sliding chamber 37 extremely go up in the lead screw sliding chamber 39 and with the lead screw 36 that goes up lead screw sliding chamber 39 sliding fit and connect, screw thread fit is connected with on the lead screw 36 with the lead screw nut 45 that nut rotating chamber 46 rotating fit is connected.
In addition, in one embodiment, an annular rack cavity 69 annularly arranged by taking the pen head discharging cavity 66 as a center is communicated with the inner wall of the heat-preserving block sliding cavity 70, a lower heating pipe 62 annularly arranged by taking the pen head discharging cavity 66 as a center is fixedly connected with the inside of the melt heat-preserving block 67, an annular rack 68 capable of being in threaded fit with the outer circular surface of the melt heat-preserving block 67 is connected with the annular rack cavity 69 in a rotating fit manner, a feeding straight gear cavity 63 is communicated with the rear side of the annular rack cavity 69, a feeding belt wheel shaft 26 which extends downwards into the feeding straight gear cavity 63 and extends upwards to penetrate through the end face gear cavity 34 to the feeding belt cavity 23 is connected with the upper end of the feeding belt wheel shaft 26 in a rotating fit manner, a feeding driving belt 24 is connected between the feeding driving belt wheel 25 and the feeding driven belt wheel 42 in a power fit manner, a face gear rotating block 33 positioned in the face gear cavity 34 is connected on the feeding belt wheel shaft 26 in a rotating and matching way, the end surface tooth rotating block 33 is fixedly connected with an end surface tooth belt wheel 32 at the lower end, an end surface tooth belt 35 is connected between the end surface tooth belt wheel 32 and the screw rod rotating belt wheel 38 in a power fit manner, the upper end surface of the end surface tooth rotating block 33 is fixedly connected with an end surface tooth 31 which is in rotating fit connection with the feeding belt wheel shaft 26, a face tooth electromagnet 27 which is positioned in the face gear cavity 34 and positioned at the upper side of the face tooth 31 is fixedly connected to the feeding belt wheel shaft 26, a face tooth sliding block 30 positioned between the face tooth electromagnet 27 and the face tooth 31 is connected on the feeding belt wheel shaft 26 in a spline fit manner, the end face tooth sliding block 30 is fixedly connected with sliding end face teeth 29, and an end face tooth spring 28 is fixedly connected between the end face tooth sliding block 30 and the end face tooth electromagnet 27.
In addition, in one embodiment, the end of the lower side of the feeding belt wheel shaft 26 is fixedly connected with a feeding straight gear 64 engaged with the ring-shaped rack 68, the right side of the melting material conveying pipe 19 is provided with a motor 48 fixedly connected with the main box 10, the right side of the motor 48 is provided with a motor belt cavity 52, the lower side of the motor 48 is provided with a sliding bevel gear cavity 61 located between the melting material conveying pipe 19 and the motor belt cavity 52, the left end wall of the motor belt cavity 52 is connected with a sliding bevel gear shaft 59 which extends rightwards to the motor belt cavity 52 and leftwards to penetrate through the sliding bevel gear cavity 61 to the left end wall of the sliding bevel gear cavity 61 in a rotating fit manner, the right side of the ring-shaped rack cavity 69 is communicated with a pen head gear cavity 76, the lower end wall of the sliding bevel gear cavity 61 is connected with a bevel gear shaft 57 which extends upwards to the sliding bevel gear cavity 61 and extends downwards to the pen head gear cavity 76 in a, terminal fixedly connected with of bevel gear axle 57 downside with nib straight-tooth gear 75 of annular rack 68 meshing, the terminal fixedly connected with bevel gear 56 of bevel gear axle 57 upside, spline fit is connected with bevel gear axle sleeve 55 on the slip bevel gear axle 59, the terminal fixedly connected with in bevel gear axle sleeve 55 right side can with the right slip bevel gear 54 of bevel gear 56 meshing, the terminal fixedly connected with in bevel gear axle sleeve 55 left side can with the left slip bevel gear 58 of bevel gear 56 meshing, left side slip bevel gear 58 with fixedly connected with slip axle sleeve spring 73 between the wall of slip bevel gear chamber 61 left end, the button stay cord 15 other end with left side slip bevel gear 58 left end face fixed connection.
In addition, in one embodiment, the right end of the sliding bevel gear shaft 59 is fixedly connected with a motor driven pulley 53, the right end face of the motor 48 is fixedly connected with a motor shaft 50 extending rightwards into the motor belt cavity 52, the right end of the motor shaft 50 is fixedly connected with a motor pulley 49, a motor belt 51 is connected between the motor pulley 49 and the motor driven pulley 53 in a power fit manner, two pen head feeding cavities 74 which are bilaterally symmetrical and have opposite openings are communicated and arranged in the side wall of the pen head discharging cavity 66, the lower side of the melt conveying pipe 19 can be communicated and arranged with the pen head feeding cavities 74, and two bilaterally symmetrical wire drawing cutting plates 78 are hinged on the side wall of the pen head sliding cavity 65.
The applicant will now specifically describe a 3D printer pen device of the present application that prevents pen tip jamming or stringing, with reference to figures 1-7 and the above description: in an initial state, the key 17 is far away from the right side end wall of the key cavity 18 under the action of the elastic force of the key spring 16, the key pull rope 15 is pulled to enable the bevel gear sleeve 55 to move leftwards against the elastic force of the sliding sleeve spring 73, so that the right sliding bevel gear 54 is meshed with the bevel gear 56, the upper end surface of the pen head 72 is jointed with the upper end wall of the pen head cavity 71, the upper end surface of the melt heat preservation block 67 is jointed with the upper end wall of the heat preservation block sliding cavity 70, the pen head feeding cavity 74 is not communicated with the melt conveying pipe 19, the upper end surface of the melt push rod 44 is jointed with the upper end wall of the push rod cavity 47, the upper end surface of the lead screw 36 is jointed with the upper end wall of the upper lead screw sliding cavity 39, the end surface tooth electromagnet 27 is powered off, the end surface tooth sliding block 30 is in a; when the printer starts to work, a piece of melt enters from the feeding cavity 11, enters into the feeding cavity 22 through the lower feeding cavity 12, the 3D printing pen is powered on, so that the upper heating pipe 14 starts to heat, so that the melt entering into the feeding cavity 22 starts to melt, at this time, the motor 48 is started to drive the motor shaft 50 to rotate, thereby driving the motor belt pulley 49 to drive, the motor driven belt pulley 53 is driven to rotate through the motor belt 51, at this time, the key 17 is pressed down, so that the key 17 moves towards the right end wall of the key cavity 18, the key spring 16 is compressed, thereby the key pull rope 15 is loosened, thereby the bevel gear shaft sleeve 55 moves rightwards under the elastic force of the sliding shaft sleeve spring 73, thereby driving the left sliding bevel gear 58 to move rightwards, thereby the left sliding bevel gear 58 is meshed with the bevel gear 56, the motor driven belt pulley 53 rotates to drive the sliding bevel gear shaft 59, thereby rotating the left slide bevel gear 58 and thereby rotating the bevel gear 56 to rotate the bevel gear shaft 57 and thereby rotating the nib spur gear 75 and thereby rotating the annular rack 68, and rotating the annular rack 68 to rotate the feed spur gear 64 and thereby rotating the feed pulley shaft 26 and thereby rotating the feed drive pulley 25 and thereby rotating the feed driven pulley 42 via the feed belt 24. Thereby rotating the propeller shaft 21 and thereby rotating the feed propeller 20 to feed the molten marking material down into the melt feed pipe 19; due to the threaded fit between the annular rack 68 and the melt insulation block 67, the annular rack 68 rotates to drive the melt insulation block 67 to move downwards, so that the pen point 72 moves downwards, the melt push rod 44 is driven to move downwards, the lead screw 36 moves downwards, the pen point 72 moves downwards to push the left and right wire drawing cutting plates 78 away to extend out of the pen point sliding cavity 65, the lower end face of the melt insulation block 67 is attached to the lower end wall of the insulation block sliding cavity 70, the annular rack 68 is close to the upper end face of the melt insulation block 67, the annular rack 68 and the melt insulation block 67 are in an idle running state, the melt insulation block 67 stops moving downwards, the pen point feeding cavity 74 is communicated with the melt conveying pipe 19, and therefore, the molten material in the melt conveying pipe 19 is conveyed into the pen point discharging cavity 66 through the pen point feeding cavity 74, so that the 3D printing effect is achieved, if the key 17 is loosened carelessly, the key 17 moves leftwards under the action of the elastic force of the key spring 16, the bevel gear shaft sleeve 55 is pulled to move leftwards against the elastic force of the sliding shaft sleeve spring 73, so that the right sliding bevel gear 54 is meshed with the bevel gear 56, the bevel gear 56 rotates reversely, the melt heat insulation block 67 is driven to ascend, the pen head 72 is caused to ascend and retract into the pen head sliding cavity 65, and therefore scalding caused by minor misoperation is avoided; if printing is finished, the button 17 is loosened, the pen head 72 is made to ascend and withdraw, the left and right wire drawing cutting plates 78 are closed to cut off the wire drawing caused by various reasons, at the moment, the end face tooth electromagnet 27 is electrified to repel the end face tooth sliding block 30 to move downwards against the pulling force of the end face tooth spring 28, so as to drive the sliding end face tooth 29 to move downwards, so as to enable the sliding end face tooth 29 to be meshed with the end face tooth 31, the feeding belt wheel shaft 26 rotates to drive the end face tooth sliding block 30 to rotate, so as to enable the sliding end face tooth 29 to rotate, so as to drive the end face tooth 31 to rotate, so as to drive the end face tooth rotating block 33 to rotate, so as to drive the end face tooth belt wheel 32 to rotate, the lead screw rotating belt wheel 38 is driven to rotate through the end face tooth belt 35, so as to drive the lead screw rotating shaft 41 to rotate, so as, thereby causing the melt pushing rod 44 to move downward so that the molten material remaining in the nib discharging chamber 66 is discharged out of the nib discharging chamber 66, thereby achieving the effect of preventing the remaining melt from cooling to block the nib.
The invention has the beneficial effects that: the thermal-insulated effect of thermoinsulating piece makes the difficult loss of nib heat, and avoid the melt to scald operating personnel, the telescopic nib, can withdraw automatically to the nib sliding cavity when the user falls pen or other irregular operations, user's safety in utilization has further been ensured, the melt push rod of setting in nib ejection of compact intracavity, can release nib ejection of compact chamber with remaining melt automatically when printing the end outside, thereby the risk of nib is plugged up to the cooling melt has been avoided, set up the wire drawing cutting board of end wall under the nib sliding cavity simultaneously, the wire drawing that the 3D print pen produced has been reduced to a very big extent.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (5)
1. The utility model provides a can prevent 3D print pen device of nib jam or wire drawing, includes the main tank body, its characterized in that: the feeding cavity with an upward opening is arranged in the main box body, the lower side of the feeding cavity is communicated with a lower feeding cavity, the lower side of the lower feeding cavity is provided with a melt block fixedly connected with the main box body, a feeding cavity is vertically communicated in the melt block and is upwards communicated with the lower feeding cavity, the lower side of the feeding cavity is communicated with two melt conveying pipes which are bilaterally symmetrical, the lower side of the feeding cavity is provided with a feeding belt cavity, the lower end wall of the feeding cavity is rotationally and cooperatively connected with a propeller shaft which extends upwards to penetrate through the feeding cavity to the lower feeding cavity and downwards to the feeding belt cavity, the propeller shaft is fixedly connected with a feeding propeller, the inside of the melt block is fixedly connected with an upper heating pipe which is annularly arranged at the center of the feeding cavity, the left side surface of the main box body is internally provided with a key cavity with a leftward opening, and the inside of the key cavity, a key spring is fixedly connected between the right end surface of the key and the right end wall of the key cavity, a key pull rope is fixedly connected with the right end surface of the key, a lead screw rotating shaft cavity is arranged between the left melt conveying pipe and the right melt conveying pipe, the screw rod rotating shaft cavity is positioned at the lower side of the feeding belt cavity, a rotating shaft belt positioned at the lower side of the feeding belt cavity is communicated with the rear side of the screw rod rotating shaft cavity, the rear side of the rotating shaft belt is communicated with an end face gear cavity positioned at the lower side of the feeding belt cavity, the tail end of the lower side of the propeller shaft is fixedly connected with a feeding driven belt wheel, the upper end wall of the screw rod rotating shaft cavity is rotationally and cooperatively connected with a screw rod rotating shaft which extends downwards into the screw rod rotating shaft cavity, an upper screw rod sliding cavity with a downward opening is arranged in the screw rod rotating shaft, and a screw rod rotating belt wheel positioned in the screw rod rotating shaft cavity is fixedly connected to the outer circular surface of the screw rod rotating shaft.
2. The 3D printing pen device capable of preventing pen point from being blocked or drawn according to claim 1, characterized in that: the lower side of the lead screw rotating shaft cavity is communicated with a small lead screw sliding cavity, the lower side of the small lead screw sliding cavity is communicated with a push rod cavity, the lower side of the push rod cavity is communicated with a pen head cavity, the lower side of the pen head cavity is communicated with a heat preservation block sliding cavity with a downward opening, the lower end face of the main box body is fixedly connected with a heat preservation block, a pen head sliding cavity with a downward opening and communicated with the heat preservation block sliding cavity is arranged in the heat preservation block, a pen head which extends downwards from the heat preservation block sliding cavity to the pen head sliding cavity is connected in a sliding fit manner in the pen head cavity, the pen head is connected with the pen head sliding cavity in a sliding fit manner, a pen head discharging cavity is vertically communicated with the pen head discharging cavity, a melt push rod which extends upwards into the push rod cavity and is connected with the push rod cavity in a sliding fit manner, and a melt heat preservation block which is connected with, be equipped with the nut in the melt push rod and rotate the chamber, the nut rotates the chamber downside and is equipped with and upwards extends and runs through nut rotates chamber to the ascending lower lead screw sliding chamber of opening, lead screw sliding chamber sliding fit is connected with and upwards extends and runs through little lead screw sliding chamber extremely go up lead screw sliding chamber and with the lead screw that goes up lead screw sliding chamber sliding fit and connect, screw-thread fit is connected with on the lead screw with the nut rotates the screw-nut that chamber rotating fit is connected.
3. The 3D printing pen device capable of preventing pen point from being blocked or drawn according to claim 2, characterized in that: the inner wall of the sliding cavity of the heat preservation block is internally communicated with an annular rack cavity which is arranged by taking the pen head discharging cavity as a central ring, the inner wall of the sliding cavity of the melt heat preservation block is fixedly connected with a lower heating pipe which is arranged by taking the pen head discharging cavity as a central ring, the annular rack cavity is connected with an annular rack which can be in threaded fit with the outer circle surface of the melt heat preservation block in a rotating fit manner, the rear side of the annular rack cavity is communicated with a feeding straight gear cavity, the upper end wall of the feeding straight gear cavity is connected with a feeding belt pulley in a rotating fit manner, the feeding belt pulley extends downwards into the feeding straight gear cavity and upwards extends through the end surface gear cavity to the feeding belt pulley cavity, the tail end of the upper side of the feeding belt pulley shaft is fixedly connected with a feeding driving pulley, a feeding belt is connected between the feeding driving pulley and the feeding driven pulley in a power fit, terminal fixedly connected with terminal surface toothed belt wheel of terminal surface tooth turning block downside, terminal surface toothed belt wheel with power fit is connected with the terminal surface tooth belt between the lead screw rotation band pulley, terminal surface tooth turning block up end fixedly connected with the terminal surface tooth that pay-off band pulley shaft normal running fit is connected, pay-off band pulley shaft is epaxial fixedly connected with and is located the terminal surface gear intracavity just is located the terminal surface tooth electro-magnet of terminal surface tooth upside, pay-off band pulley shaft is epaxial spline fit is connected with and is located terminal surface tooth electro-magnet with terminal surface tooth sliding block between the terminal surface tooth, fixedly connected with slip terminal surface tooth on the terminal surface tooth sliding block, terminal surface tooth sliding block with fixedly connected with terminal surface tooth spring between the terminal surface tooth electro-magnet.
4. The 3D printing pen device capable of preventing pen point from being blocked or drawn according to claim 3, characterized in that: the tail end of the lower side of the feeding belt wheel shaft is fixedly connected with a feeding straight gear meshed with the annular rack, the right side of the melting material conveying pipe is provided with a motor fixedly connected with the main box body, the right side of the motor is provided with a motor belt cavity, the lower side of the motor is provided with a sliding bevel gear cavity positioned between the melting material conveying pipe and the motor belt cavity on the right side, the left end wall of the motor belt cavity is connected with a bevel gear shaft which extends leftwards and leftwards in the motor belt cavity and penetrates through the sliding bevel gear cavity to the left end wall of the sliding bevel gear cavity, the right side of the annular rack cavity is communicated with a pen point gear cavity, the lower end wall of the sliding bevel gear cavity is connected with a bevel gear shaft which extends upwards in the sliding bevel gear cavity and downwards in the pen point gear cavity, and the tail end of the bevel gear shaft is fixedly connected with a pen point straight gear meshed, the terminal fixedly connected with bevel gear of bevel gear shaft upside, the spline fit connection has bevel gear axle sleeve on the slip bevel gear shaft, bevel gear axle sleeve right side terminal fixedly connected with can with bevel gear meshed right side slip bevel gear, bevel gear axle sleeve left side terminal fixedly connected with can with bevel gear meshed left side slip bevel gear, left side slip bevel gear with fixedly connected with slip axle sleeve spring between the wall of slip bevel gear chamber left end, the button stay cord other end with left side slip bevel gear left end face fixed connection.
5. The 3D printing pen device capable of preventing pen point from being blocked or drawn according to claim 4, wherein: the terminal fixedly connected with motor driven pulleys in slip bevel gear axle right side, motor right-hand member face fixedly connected with extends to right the motor shaft of motor belt intracavity, the terminal fixedly connected with motor band pulley in motor shaft right side, the motor band pulley with power fit is connected with the motor belt between the motor driven pulleys, the intercommunication is equipped with two bilateral symmetry and the open to written feeding chamber in the written ejection of compact chamber lateral wall, melt conveyer pipe downside can with written feeding chamber intercommunication sets up, it has the wire drawing cutting board of two bilateral symmetry to articulate on the written slip chamber lateral wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010859532.6A CN111941840A (en) | 2020-08-24 | 2020-08-24 | 3D printing pen device capable of preventing pen point from being blocked or wire drawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010859532.6A CN111941840A (en) | 2020-08-24 | 2020-08-24 | 3D printing pen device capable of preventing pen point from being blocked or wire drawing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111941840A true CN111941840A (en) | 2020-11-17 |
Family
ID=73359834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010859532.6A Withdrawn CN111941840A (en) | 2020-08-24 | 2020-08-24 | 3D printing pen device capable of preventing pen point from being blocked or wire drawing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111941840A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112590210A (en) * | 2020-12-17 | 2021-04-02 | 义乌市露然贸易有限公司 | Hand-held type scald preventing prevents blockking up 3D printing device |
| CN112590217A (en) * | 2020-12-17 | 2021-04-02 | 义乌市露然贸易有限公司 | 3D print pen lines erasing recovery unit |
| CN117504320A (en) * | 2024-01-03 | 2024-02-06 | 广东麦你玩创新科技有限公司 | Melting pen for soap toys |
-
2020
- 2020-08-24 CN CN202010859532.6A patent/CN111941840A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112590210A (en) * | 2020-12-17 | 2021-04-02 | 义乌市露然贸易有限公司 | Hand-held type scald preventing prevents blockking up 3D printing device |
| CN112590217A (en) * | 2020-12-17 | 2021-04-02 | 义乌市露然贸易有限公司 | 3D print pen lines erasing recovery unit |
| CN117504320A (en) * | 2024-01-03 | 2024-02-06 | 广东麦你玩创新科技有限公司 | Melting pen for soap toys |
| CN117504320B (en) * | 2024-01-03 | 2024-05-17 | 广东麦你玩创新科技有限公司 | Melting pen for soap toys |
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Application publication date: 20201117 |