CN203726832U - Portable 3D (3-dimensional) printer based on FDM (frequency division multiplexing) technology - Google Patents
Portable 3D (3-dimensional) printer based on FDM (frequency division multiplexing) technology Download PDFInfo
- Publication number
- CN203726832U CN203726832U CN201420103607.8U CN201420103607U CN203726832U CN 203726832 U CN203726832 U CN 203726832U CN 201420103607 U CN201420103607 U CN 201420103607U CN 203726832 U CN203726832 U CN 203726832U
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- Prior art keywords
- printhead
- connecting plate
- set screw
- printing consumables
- link
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Abstract
The utility model discloses a portable 3D (3-dimensional) printer based on an FDM (frequency division multiplexing) technology. The portable 3D printer comprises a printing device, wherein the printing device comprises an extrusion printing head, a connecting frame and a feeding mechanism; the extrusion printing head is connected with the lower end of a support seat and comprises a printing head and a printing supply guide sleeve; the upper part of the printing head is connected with a heater provided with a temperature sensor which is connected with a controller; a heat insulation pad is arranged at the upper part of the heater; the upper part of the heat insulation pad is connected with a heat insulation sleeve; the upper part of the heat insulation sleeve is connected with heat insulation plates which are connected with a printing head connecting plate at the upper part; the printing head connecting plate is connected with the lower part of the connecting frame; a printing head cavity accommodating a printing supply molten mass is formed in the printing head; axial through holes are formed in the heater, the heat insulation sleeve and the printing head connecting plate; the axial through hole of the heater is communicated with the printing head cavity; and the printing supply guide sleeve is connected with the heat insulation sleeve. The portable 3D printer based on the FDM technology is good in structure and heat dissipation, and use reliability of the connecting frame and parts mounted on the connecting frame is improved, the service life of the connecting frame and the service life of each part mounted on the connecting frame are prolonged.
Description
Technical field
The utility model relates to 3D printer technology field, particularly a kind of portable 3D printer based on FDM technology.
Background technology
Three-dimensional printer is emerging technical development industry, there are purposes and huge market demand more and more widely, three-dimensional DIY crowd is increasing simultaneously, but owing to printing with three-dimensional printer, spare and accessory parts cost is high, efficiency is low, while is due to the 3D printer arrangement more complicated of prior art, volume ratio is large, structure is not compact, and buying and use and maintenance cost are higher, have limited consumer's use market and scale.
Summary of the invention
The purpose of this utility model is exactly the problems referred to above that exist for solving prior art, and a kind of portable 3D printer based on FDM technology is provided; The utility model is simple in structure, compact, and volume is little, and cost of manufacture is low, and versatility is high, has met the consumption demand of current growing 3D printer.
The technical scheme of the utility model technical solution problem is:
A portable 3D printer based on FDM technology, comprises frame, base, X-axis mobile system, Y-axis mobile system, Z axis mobile system, printing equipment, described frame comprises the left column of the left and right sides, right column and lower connecting plate, upper junction plate, described lower connecting plate, upper junction plate respectively with left column, right column connects, and base is connected with lower connecting plate, and upper junction plate is connected with printing consumables link, printing consumables link is provided with printing consumables fixed disk, described printing equipment is connected with X-axis mobile system, and described X-axis mobile system is connected with Z axis mobile system, described left column, right column is provided with column guide rail, and Z axis mobile system is connected with column guide rail, and Y-axis mobile system is connected with base, and described X-axis mobile system is provided with the X-axis moving guide rail that printing equipment moves, and described base bottom is provided with the power supply being connected, controller, controller is connected with power supply, described controller and X-axis mobile system, Y-axis mobile system, Z axis mobile system, printing equipment connects, and described printing equipment comprises extrudes printhead, link, feed mechanism, described link comprises supporting seat, supporting seat and left side support arm, right side support arm connects, left side support arm, right side support arm is connected with X-axis moving guide rail, along X-axis moving guide rail, move axially, feed mechanism is arranged on supporting seat, extrudes printhead and is connected with supporting seat bottom, the described printhead of extruding comprises printhead, printing consumables fairlead, printhead top is connected with heater, heater is provided with temperature sensor, temperature sensor is connected with controller, heater top is provided with heat insulating mattress, heat insulating mattress top is connected with collet, collet top is connected with thermal insulation board, thermal insulation board is connected with the printhead connecting plate on top, printhead connecting plate is connected with link bottom, printhead inside is provided with the printhead cavity that holds printing consumables molten mass, described heater, collet, printhead connecting plate is provided with axially extending bore, the axially extending bore of heater is communicated with printhead cavity, printing consumables fairlead is connected with collet through after the axially extending bore of printhead connecting plate, printing consumables passes between printing consumables driving wheel and driven pulley, from the endoporus of printing consumables fairlead, pass, after the axially extending bore of arrival heater, carry out preheating, then enter the melting of printhead cavity, described link bottom and printhead connecting plate are provided with predetermined distance in the vertical direction, printhead connecting plate and heater by collet in the predetermined distance of axially-spaced, described printhead top is provided with external screw thread, heater is provided with internal thread, the two is connected printhead and heater by internal and external threads, collet top is provided with ring flange, thermal insulation board comprises thermal insulation board, lower thermal insulation board, described upper thermal insulation board, lower thermal insulation board adopts the good materials of thermal diffusivity such as aluminium sheet, the upper thermal insulation board of ring flange and both sides, lower thermal insulation board connects by metal bolts, upper thermal insulation board is connected with printhead connecting plate, between upper thermal insulation board and printhead connecting plate, be provided with long metal nuts, metal nuts and lower bolt, upper bolt connects, upper thermal insulation board, lower thermal insulation board, collet flange is connected with the bottom of metal nuts by lower bolt, supporting seat, printhead connecting plate is connected with metal nuts top by upper bolt, the lower surface of supporting seat, the upper surface of printhead connecting plate is provided with the locking nut coordinating with upper bolt, by locking nut, adjust the distance of link and printhead connecting plate and be locked.
Described base, supporting seat, left side support arm, right side support arm adopt transparent polymethyl methacrylate materials to make.
Described feed mechanism comprises the 4th numerical-control motor, drive sprocket axle, follower shaft, the 4th numerical-control motor output shaft is provided with the first gear, drive sprocket axle is provided with the second gear, the first gear and the engagement of the second gear, supporting seat is provided with the supporting seat slotted eye of up/down perforation along the middle part of fore-and-aft direction, drive sprocket axle is connected with both sides before and after supporting seat by bearing, the centre of drive sprocket axle is provided with printing consumables driving wheel, in the middle of follower shaft, be provided with driven pulley, printing consumables driving wheel, driven pulley is located in supporting seat slotted eye, before and after supporting seat, both sides are provided with long slot bore, follower shaft is connected with long slot bore by the back shaft end of both sides, back shaft end is radially provided with the horizontally-guided hole of perforation vertical with follower shaft, the axis of described pilot hole and follower shaft axis intersect vertically in horizontal plane, link is provided with driven pulley horizontal level set screw connecting hole, set screw with from set screw connecting hole, be connected, the dead in line of set screw connecting hole axis and pilot hole, printing consumables is pressed in printing consumables driving wheel by the second Compress Spring of being located in set screw, between driven pulley, the first compression mode is: drive sprocket axle bearing mounting hole and long slot bore separate by the side between long slot bore and drive sprocket axle bearing mounting hole, the thin end of set screw is from pilot hole stretches out, coordinate with the 3rd Compress Spring, one end of the 3rd Compress Spring is connected with long slot bore side, one end coordinates with the step at set screw end rear portion, described set screw is provided with adjusting nut, locking nut, on link, be also provided with the adjusting hole connecting with long slot bore, described adjusting nut, locking nut is located at adjusting hole position, by locking nut, set screw and link are fixed, the second Compress Spring is located in the set screw supporting between axle head and adjusting nut, the second compression mode is: drive sprocket axle bearing mounting hole is the structure being communicated with long slot bore, the end of set screw coordinates with pilot hole, described set screw is provided with adjusting nut, locking nut, link is provided with the adjusting hole connecting with long slot bore, described adjusting nut, locking nut is located at adjusting hole position, by locking nut, set screw and link are fixed, the second Compress Spring is located in the set screw supporting between axle head and adjusting nut, elastic force by the second Compress Spring is pressed on printing consumables between printing consumables driving wheel and driven pulley.
The beneficial effects of the utility model:
By collet, thermal insulation board, printhead connecting plate and metal bolts are set, nut connects, make heater conductive or be radiated top heat be absorbed and distribute, thereby other parts that reduce the link on top and install are because receive distortion and the damage that heat causes more, the dependability and the life-span that extend link and superincumbent parts are installed.
2. because structure thermal diffusivity is good, can reduce the vertical range of printhead and link, the height dimension of minimizing complete machine, simultaneously because the temperature at link place low, be out of shape littlely, link can adopt the engineering material that the quality such as plastics are light to make, and alleviates overall mass.
3. base, supporting seat, left side support arm, right side support arm adopt transparent polymethyl methacrylate materials to make, can be clear that cooperation and motion state with these respective outer side edges or the parts that are connected, be convenient to understand intuitively position and annexation and motion state between them, if there is motion fault, can see in time and take corresponding measure, the damage of the parts that prevent from matching; This transparent configuration intuitive is strong simultaneously; be particularly suitable for, in school or public arena, the public is demonstrated, publicizes 3D product and knowledge; being conducive to science popularization promotes; for the student who practises by engineering test in school, deepen the cognition of relevant knowledge and impression, to strengthening creativity and results of learning, have great help.
4. the utility model is installed, adjustment is unloaded conveniently, during use, printing consumables is from supporting seat slotted eye, enter the gap between printing consumables driving wheel and driven pulley and pass, driven pulley can adopt bearing empty set to exist, the axis of drive sprocket axle, the output axis of the axis of follower shaft and the 4th numerical-control motor is on same horizontal plane back shaft, position by mobile adjusting nut in set screw, adjust the elastic force of the second Compress Spring, make printing consumables at printing consumables driving wheel, between driven pulley, be subject to different clamping forces, keep printing consumables reliable, be fed to continuously printhead, by being provided with link long slot bore in link both sides, adjusting nut, horizontally-guided hole, driven pulley horizontal level set screw connecting hole, the structures such as adjusting hole with long slot bore perforation, can regulate easily the position of driven pulley, the suitable distance that keeps driven pulley and printing consumables driving wheel, make printing consumables be subject to suitable frictional force, and import in printhead downwards with suitable speed, the axial restraint of follower shaft has been realized in horizontally-guided hole, the complex structure of having avoided other axial restraint and fastening means to exist, install and dismantle inconvenience and adjust loaded down with trivial details problem, reduced the size of frame simultaneously, rack construction is compacter: by the first, compress mode 7., after unclamping the second Compress Spring, under the elastic force effect of the 3rd Compress Spring, driven pulley and printing consumables disengage, the advance and retreat of manual adjustment printing consumables easily, by the second, compress mode, omit the 3rd Compress Spring, the gap between printing consumables driving wheel and driven pulley outer surface is less than the diameter dimension of printing consumables, more compact structure, and volume is less.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the C partial enlarged drawing of Fig. 1;
Fig. 3 is the cutaway view of A-A the first embodiment of Fig. 1;
Fig. 4 is the cutaway view of A-A the second embodiment of Fig. 1.
The specific embodiment
In order to understand better the utility model, below in conjunction with accompanying drawing, explain in detail embodiment of the present utility model.
As shown in Figures 1 to 4, a kind of portable 3D printer based on FDM technology, comprises frame 1, base 2, X-axis mobile system 3, Y-axis mobile system 4, Z axis mobile system 5, printing equipment 6, described frame 1 comprises the left column 101 of the left and right sides, right column 102 and lower connecting plate 103, upper junction plate 104, described lower connecting plate 103, upper junction plate 104 respectively with left column 101, right column 102 connects, base 2 is connected with lower connecting plate 103, upper junction plate 104 is connected with printing consumables link 7, printing consumables link 7 is provided with printing consumables fixed disk 701, described printing equipment 6 is connected with X-axis mobile system 3, described X-axis mobile system 3 is connected with Z axis mobile system 5, described left column 101, right column 102 is provided with column guide rail, and Z axis mobile system 5 is connected with column guide rail, and Y-axis mobile system 4 is connected with base 2, and described X-axis mobile system 3 is provided with the X-axis moving guide rail 302 that printing equipment moves, and described base 2 bottoms are provided with the power supply being connected, controller, controller is connected with power supply, described controller and X-axis mobile system 3, Y-axis mobile system 4, Z axis mobile system 5, printing equipment 6 connects, and described printing equipment 6 comprises extrudes printhead 601, link 602, feed mechanism 603, described link 602 comprises supporting seat 606, supporting seat 606 and left side support arm 604, right side support arm 605 connects, left side support arm 604, right side support arm 605 is connected with X-axis moving guide rail 302, along X-axis moving guide rail, move axially, feed mechanism 603 is arranged on supporting seat 606, extrudes printhead 601 and is connected with supporting seat 606 bottoms.Described controller adopts single-chip microcomputer.
The described printhead 601 of extruding comprises printhead 6011, printing consumables fairlead 6012, printhead 6011 tops are connected with heater 6013, heater 6013 is provided with temperature sensor 6014, temperature sensor 6014 is connected with controller, heater 6013 tops are provided with heat insulating mattress 6016, heat insulating mattress 6021 tops are connected with collet 6015, collet 6015 tops are connected with thermal insulation board, thermal insulation board is connected with the printhead connecting plate 6017 on top, printhead connecting plate 6017 is connected with link 602 bottoms, printhead 6011 inside are provided with the printhead cavity that holds printing consumables molten mass, described heater 6013, collet 6015, printhead connecting plate 6017 is provided with axially extending bore, the axially extending bore of heater 6013 is communicated with printhead cavity, printing consumables fairlead 6012 is connected with collet 6015 through after the axially extending bore of printhead connecting plate 6017, printing consumables passes between printing consumables driving wheel and driven pulley, from the endoporus of printing consumables fairlead, pass, after the axially extending bore of arrival heater, carry out preheating, then enter the melting of printhead cavity, described link bottom and printhead connecting plate 6017 are provided with predetermined distance in the vertical direction, printhead connecting plate 6017 passes through collet 6015 in the predetermined distance of axially-spaced with heater 6013, described printhead 6011 tops are provided with external screw thread, heater 6013 is provided with internal thread, the two is connected printhead and heater by internal and external threads, collet 6015 tops are provided with ring flange 6018, thermal insulation board comprises thermal insulation board 6019, lower thermal insulation board 6020, described upper thermal insulation board 6019, lower thermal insulation board 6020 adopts the good materials of thermal diffusivity such as aluminium sheet, the upper thermal insulation board 6019 of ring flange and both sides, lower thermal insulation board 6020 connects by metal bolts, upper thermal insulation board 6019 is connected with printhead connecting plate, between upper thermal insulation board 6019 and printhead connecting plate 6017, be provided with long metal nuts 6023, metal nuts 6023 and lower bolt 6022, upper bolt 6021 connects, upper thermal insulation board 6019, lower thermal insulation board 6020, collet 6015 flanges are connected with the bottom of metal nuts 6023 by lower bolt 6022, supporting seat 606, printhead connecting plate 6017 is connected with metal nuts 6023 tops by upper bolt 6021, the lower surface of supporting seat 606, the upper surface of printhead connecting plate 6017 is provided with the locking nut 6024 coordinating with upper bolt 6021, by locking nut 6024, adjust the distance of link 602 and printhead connecting plate and be locked.By collet, thermal insulation board, printhead connecting plate and metal bolts are set, nut connects, make heater conductive or be radiated top heat be absorbed and distribute, thereby other parts that reduce the link on top and install are because receive distortion and the damage that heat causes more, the dependability and the life-span that extend link and superincumbent parts are installed, can reduce the vertical range of printhead and link simultaneously, reduce the height dimension of complete machine, thereby link can adopt plastic stool lightweight material, to alleviate overall mass.
Described base 2, supporting seat 606, left side support arm 604, right side support arm 605 adopt transparent polymethyl methacrylate materials to make, adopt polymethyl methacrylate materials, can be clear that cooperation and motion state with these respective outer side edges or the parts that are connected, be convenient to understand intuitively position and annexation and motion state between them, if there is motion fault, can see in time and take corresponding measure, the damage of the parts that prevent from matching.This transparent configuration intuitive is strong simultaneously; be particularly suitable for, in school or public arena, the public is demonstrated, publicizes high-tech product and knowledge; being conducive to science popularization promotes; for the student who practises by engineering test in school, deepen the cognition of relevant knowledge and impression, to strengthening creativity and results of learning, have great help.
Described feed mechanism 603 comprises the 4th numerical-control motor 6031, drive sprocket axle 6032, follower shaft 6033, the 4th numerical-control motor output shaft is provided with the first gear 6034, drive sprocket axle 6032 is provided with the second gear 6035, the first gear 6034 and the second gear 6035 engagements, supporting seat 606 is provided with the supporting seat slotted eye 6036 of up/down perforation along the middle part of fore-and-aft direction, drive sprocket axle 6032 is connected with both sides before and after supporting seat by the drive sprocket axle bearing coordinating with drive sprocket axle bearing mounting hole 6049, the centre of drive sprocket axle 6032 is provided with printing consumables driving wheel 6037, in the middle of follower shaft 6033, be provided with driven pulley 6038, printing consumables driving wheel 6037, driven pulley 6038 is located in supporting seat slotted eye 6036, printing consumables driving wheel 6037 surface knurlings or gear structure are to increase the frictional force of transmission, before and after supporting seat, both sides are provided with long slot bore 6039, follower shaft 6033 is connected with long slot bore 6039 by the back shaft end of both sides, back shaft end is radially provided with the horizontally-guided hole 6040 of perforation vertical with follower shaft, the axis of described pilot hole 6040 and follower shaft 6033 axis intersect vertically in horizontal plane, link is provided with driven pulley horizontal level set screw connecting hole, set screw 6041 with from set screw connecting hole, be connected, the dead in line of set screw connecting hole axis and pilot hole 6040, printing consumables is pressed in printing consumables driving wheel 6037 by the second Compress Spring 6045 of being located in set screw 6041, between driven pulley 6038, wherein: a kind of structure is, see Fig. 6, drive sprocket axle bearing mounting hole 6049 and long slot bore 6039 separate by the side 6048 between long slot bore 6039 and drive sprocket axle bearing mounting hole 6049, the thin end of set screw 6041 is from pilot hole 6040 stretches out, coordinate with the 3rd Compress Spring 6046, one end of the 3rd Compress Spring 6046 is connected with long slot bore 6039 sides 6048, one end coordinates with the step 6047 at set screw 6041 end rear portions, described set screw 6041 is provided with adjusting nut 6042, locking nut 6043, on link, be also provided with the adjusting hole 6044 connecting with long slot bore, described adjusting nut 6042, locking nut 6043 is located at adjusting hole position, by locking nut 6043, set screw 6041 and link are fixed, the second Compress Spring 6045 is located in the set screw supporting between axle head and adjusting nut, like this after unclamping the second Compress Spring 6045, under the elastic force effect of the 3rd Compress Spring 6046, driven pulley 6038 disengages with printing consumables, the advance and retreat of manual adjustment printing consumables easily, another kind of structure is, see Fig. 6-1, drive sprocket axle bearing mounting hole 6049 is the structures that are communicated with long slot bore 6039, the end of set screw 6041 coordinates with pilot hole 6040, thereby omit the 3rd Compress Spring 6046, gap between printing consumables driving wheel 6037 and driven pulley 6038 outer surfaces is less than the diameter dimension of printing consumables, described set screw 6041 is provided with adjusting nut 6042, locking nut 6043, on link, be also provided with the adjusting hole 6044 connecting with long slot bore, described adjusting nut 6042, locking nut 6043 is located at adjusting hole position, by locking nut 6043, set screw 6041 and link are fixed, the second Compress Spring 6045 is located in the set screw supporting between axle head and adjusting nut, elastic force by the second Compress Spring 6045 is pressed on printing consumables between printing consumables driving wheel 6037 and driven pulley 6038.During use, printing consumables is from supporting seat slotted eye 6036, enter the gap between printing consumables driving wheel 6037 and driven pulley 6033 and pass, driven pulley can adopt bearing empty set on follower shaft, the axis of drive sprocket axle, the output axis of the axis of follower shaft and the 4th numerical-control motor is on same horizontal plane back shaft, position by mobile adjusting nut 6042 in set screw 6041, adjust the elastic force of the second Compress Spring 6045, make printing consumables at printing consumables driving wheel 6037, between driven pulley 6038, be subject to different clamping forces, keep printing consumables reliable, be fed to continuously printhead.By being provided with link long slot bore 6039 in link both sides, adjusting nut 6042, horizontally-guided hole 6040, driven pulley horizontal level set screw connecting hole, the structures such as adjusting hole 6044 with long slot bore perforation, can regulate easily the position of driven pulley, the suitable distance that keeps driven pulley and printing consumables driving wheel, make printing consumables be subject to suitable frictional force, and import in printhead downwards with suitable speed, and by horizontally-guided hole, realized the axial restraint of follower shaft, the complex structure of having avoided other axial restraint and fastening means to exist, install and dismantle inconvenience and adjust loaded down with trivial details problem, reduced the size of frame simultaneously, rack construction is compacter.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of utility model is described; but the not restriction to the utility model protection domain; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (3)
1. the portable 3D printer based on FDM technology, is characterized in that, comprises frame, base, X-axis mobile system, Y-axis mobile system, Z axis mobile system, printing equipment, described frame comprises the left column of the left and right sides, right column and lower connecting plate, upper junction plate, described lower connecting plate, upper junction plate respectively with left column, right column connects, and base is connected with lower connecting plate, and upper junction plate is connected with printing consumables link, printing consumables link is provided with printing consumables fixed disk, described printing equipment is connected with X-axis mobile system, and described X-axis mobile system is connected with Z axis mobile system, described left column, right column is provided with column guide rail, and Z axis mobile system is connected with column guide rail, and Y-axis mobile system is connected with base, and described X-axis mobile system is provided with the X-axis moving guide rail that printing equipment moves, and described base bottom is provided with the power supply being connected, controller, controller is connected with power supply, described controller and X-axis mobile system, Y-axis mobile system, Z axis mobile system, printing equipment connects, and described printing equipment comprises extrudes printhead, link, feed mechanism, described link comprises supporting seat, supporting seat and left side support arm, right side support arm connects, left side support arm, right side support arm is connected with X-axis moving guide rail, along X-axis moving guide rail, move axially, feed mechanism is arranged on supporting seat, extrudes printhead and is connected with supporting seat bottom, the described printhead of extruding comprises printhead, printing consumables fairlead, printhead top is connected with heater, heater is provided with temperature sensor, temperature sensor is connected with controller, heater top is provided with heat insulating mattress, heat insulating mattress top is connected with collet, collet top is connected with thermal insulation board, thermal insulation board is connected with the printhead connecting plate on top, printhead connecting plate is connected with link bottom, printhead inside is provided with the printhead cavity that holds printing consumables molten mass, described heater, collet, printhead connecting plate is provided with axially extending bore, the axially extending bore of heater is communicated with printhead cavity, printing consumables fairlead is connected with collet through after the axially extending bore of printhead connecting plate, printing consumables passes between printing consumables driving wheel and driven pulley, from the endoporus of printing consumables fairlead, pass, after the axially extending bore of arrival heater, carry out preheating, then enter the melting of printhead cavity, described link bottom and printhead connecting plate are provided with predetermined distance in the vertical direction, printhead connecting plate and heater by collet in the predetermined distance of axially-spaced, described printhead top is provided with external screw thread, heater is provided with internal thread, the two is connected printhead and heater by internal and external threads, collet top is provided with ring flange, thermal insulation board comprises thermal insulation board, lower thermal insulation board, described upper thermal insulation board, lower thermal insulation board adopts the good materials of thermal diffusivity such as aluminium sheet, the upper thermal insulation board of ring flange and both sides, lower thermal insulation board connects by metal bolts, upper thermal insulation board is connected with printhead connecting plate, between upper thermal insulation board and printhead connecting plate, be provided with long metal nuts, metal nuts and lower bolt, upper bolt connects, upper thermal insulation board, lower thermal insulation board, collet flange is connected with the bottom of metal nuts by lower bolt, supporting seat, printhead connecting plate is connected with metal nuts top by upper bolt, the lower surface of supporting seat, the upper surface of printhead connecting plate is provided with the locking nut coordinating with upper bolt, by locking nut, adjust the distance of link and printhead connecting plate and be locked.
2. the portable 3D printer based on FDM technology as claimed in claim 1, is characterized in that, described base, supporting seat, left side support arm, right side support arm adopt transparent polymethyl methacrylate materials to make.
3. the portable 3D printer based on FDM technology as described in claim 1 or 2, it is characterized in that, described feed mechanism comprises the 4th numerical-control motor, drive sprocket axle, follower shaft, the 4th numerical-control motor output shaft is provided with the first gear, drive sprocket axle is provided with the second gear, the first gear and the engagement of the second gear, supporting seat is provided with the supporting seat slotted eye of up/down perforation along the middle part of fore-and-aft direction, drive sprocket axle is connected with both sides before and after supporting seat by bearing, the centre of drive sprocket axle is provided with printing consumables driving wheel, in the middle of follower shaft, be provided with driven pulley, printing consumables driving wheel, driven pulley is located in supporting seat slotted eye, before and after supporting seat, both sides are provided with long slot bore, follower shaft is connected with long slot bore by the back shaft end of both sides, back shaft end is radially provided with the horizontally-guided hole of perforation vertical with follower shaft, the axis of described pilot hole and follower shaft axis intersect vertically in horizontal plane, link is provided with driven pulley horizontal level set screw connecting hole, set screw with from set screw connecting hole, be connected, the dead in line of set screw connecting hole axis and pilot hole, printing consumables is pressed in printing consumables driving wheel by the second Compress Spring of being located in set screw, between driven pulley, the first compression mode is: drive sprocket axle bearing mounting hole and long slot bore separate by the side between long slot bore and drive sprocket axle bearing mounting hole, the thin end of set screw is from pilot hole stretches out, coordinate with the 3rd Compress Spring, one end of the 3rd Compress Spring is connected with long slot bore side, one end coordinates with the step at set screw end rear portion, described set screw is provided with adjusting nut, locking nut, on link, be also provided with the adjusting hole connecting with long slot bore, described adjusting nut, locking nut is located at adjusting hole position, by locking nut, set screw and link are fixed, the second Compress Spring is located in the set screw supporting between axle head and adjusting nut, the second compression mode is: drive sprocket axle bearing mounting hole is the structure being communicated with long slot bore, the end of set screw coordinates with pilot hole, described set screw is provided with adjusting nut, locking nut, link is provided with the adjusting hole connecting with long slot bore, described adjusting nut, locking nut is located at adjusting hole position, by locking nut, set screw and link are fixed, the second Compress Spring is located in the set screw supporting between axle head and adjusting nut, elastic force by the second Compress Spring is pressed on printing consumables between printing consumables driving wheel and driven pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420103607.8U CN203726832U (en) | 2014-03-07 | 2014-03-07 | Portable 3D (3-dimensional) printer based on FDM (frequency division multiplexing) technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420103607.8U CN203726832U (en) | 2014-03-07 | 2014-03-07 | Portable 3D (3-dimensional) printer based on FDM (frequency division multiplexing) technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203726832U true CN203726832U (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420103607.8U Withdrawn - After Issue CN203726832U (en) | 2014-03-07 | 2014-03-07 | Portable 3D (3-dimensional) printer based on FDM (frequency division multiplexing) technology |
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| CN (1) | CN203726832U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878976A (en) * | 2014-03-07 | 2014-06-25 | 济南大学 | Portable 3D printer based on FDM technology |
-
2014
- 2014-03-07 CN CN201420103607.8U patent/CN203726832U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878976A (en) * | 2014-03-07 | 2014-06-25 | 济南大学 | Portable 3D printer based on FDM technology |
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