CN203739248U - 3D printer based on FDM technology - Google Patents

3D printer based on FDM technology Download PDF

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Publication number
CN203739248U
CN203739248U CN201420101927.XU CN201420101927U CN203739248U CN 203739248 U CN203739248 U CN 203739248U CN 201420101927 U CN201420101927 U CN 201420101927U CN 203739248 U CN203739248 U CN 203739248U
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CN
China
Prior art keywords
axis
numerical
set screw
mobile system
printer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
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CN201420101927.XU
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Chinese (zh)
Inventor
隗德民
孙晓燕
李捷
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University of Jinan
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University of Jinan
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Priority to CN201420101927.XU priority Critical patent/CN203739248U/en
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Publication of CN203739248U publication Critical patent/CN203739248U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses a 3D printer based on the FDM (Frequency Division Multiplexing) technology. The 3D printer comprises a rack, a base, an X-axis movement system, a Y-axis movement system, a Z-axis movement system and a printer, wherein the rack comprises a left vertical column, a right vertical column and a lower connecting plate, the printer is connected with the X-axis movement system, the X-axis movement system is connected with the Z-axis movement system, the Z-axis movement system comprises a left lever and a right lever, lever nuts are arranged on the left lever and the right lever, a power supply and a controller are arranged at the bottom of the base, and the controller is connected with the X-axis movement system and the printer; the X-axis movement system comprises a first numerically-controlled motor, X-axis movement guide rails and a first limit switch, the X-axis movement guide rails are respectively connected with a Z-axis fixing base and connected with support arms of the printer, and the first limit switch is connected with the lower part of the Z-axis fixing base, matched with the left support arm of the printer and connected with the controller. The 3D printer has the advantages of simple and compact structure, small size and low manufacture cost.

Description

FDM technology 3D printer
Technical field
The utility model relates to 3D printer technology field, particularly a kind of FDM technology 3D printer.
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.
Utility model content
The purpose of this utility model is exactly the problems referred to above that exist for solving prior art, and a kind of FDM technology 3D printer is provided; The utility model is simple in structure, compact, and volume is little, and cost of manufacture is low, has met the consumption demand of current growing 3D printer.
The technical scheme of the utility model technical solution problem is:
A kind of FDM technology 3D printer, comprises frame, base, X-axis mobile system, Y-axis mobile system, Z axis mobile system, printing equipment, described frame comprises left column, right column and lower connecting plate, lower connecting plate and left column, right column connects, and base is connected with lower connecting plate, and printing equipment is connected with X-axis mobile system, and described X-axis mobile system is connected with Z axis mobile system, left column, right column is provided with column guide rail, and Z axis mobile system is connected with column guide rail, and Z axis mobile system comprises and is positioned at left column, the left leading screw in right column outside, right leading screw, left leading screw, right leading screw is provided with feed screw nut, described left leading screw, right leading screw bottom is connected with the output shaft that Z axis moves numerical-control motor, left leading screw, right leading screw top is connected with upper fixed cap, and Y-axis mobile system is connected with base, 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, described X-axis mobile system comprises X-axis moving guide rail, first limit switch of the first numerical-control motor, level, X-axis moving guide rail is connected with left side Z axis holder and right side Z axis holder respectively, X-axis moving guide rail is connected with left side support arm, the right side support arm of printing equipment, the first limit switch is connected with Z axis holder lower right side, the first limit switch coordinates with the support arm bottom, left side of printing equipment, and described the first limit switch is connected with controller.
The first numerical-control motor is located at the Z axis holder bottom in leading screw outside, left side, the outstanding Z axis holder of the first numerical-control motor output shaft upper surface, be provided with the first synchromesh gear, the Z axis holder upper surface, right side in leading screw outside, right side is provided with the first driven pulley, two left side leading screws of axis runout of the first numerical-control motor output shaft and the first driven pulley, plane one side at leading screw axis place, right side, described the first numerical-control motor is connected with the first synchronous cog belt, the first synchronous cog belt is rectangular band, one end of described rectangular band is connected with left side support arm, the other end is connected with right side support arm, and respectively by screw fastening at left side support arm, in the draw-in groove of right side support arm.
The Z axis holder upper surface of described both sides is respectively provided with a directive wheel, described each directive wheel axis is located between the leading screw of Z axis holder at place and column and is departed from the opposite side of the plane at two leading screw axis places, and the axis of two directive wheel axis and the first numerical-control motor output shaft and the first driven pulley is distributed in the both sides of two leading screw axis place planes.
Described right side Z axis holder is provided with along the long through-hole groove of X-axis moving guide rail direction, and the wire of the first numerical-control motor, the first limit switch and printing equipment imports and is connected with the first numerical-control motor, the first limit switch and printing equipment respectively from the bottom of long through-hole groove.
Described printing equipment comprises extrudes printhead, link, feed mechanism, the left and right sides support arm of described link is connected, moves axially along X-axis moving guide rail with X-axis moving guide rail, feed mechanism is arranged on link, extrudes printhead and is connected with link bottom.
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 engages with 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 be connected from set screw connecting hole, 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.
Described controller adopts single-chip microcomputer; Described the 3rd numerical-control motor, the 4th numerical-control motor adopt stepper motor.
The output voltage of described power supply is DC12V dc source; Described single-chip microcomputer, power supply are located at base bottom.
The beneficial effects of the utility model:
1. the utility model is simple in structure, compact, and volume is little, and spacing shutdown is reliable, and cost of manufacture is low, has met the consumption demand of current growing 3D printer.
2. the utility model compact conformation, easy installation and removal, when 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.
3. 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 structure such as adjusting hole connecting with long slot bore, can regulate easily the position of driven pulley, keep the suitable distance of driven pulley and printing consumables driving wheel, make printing consumables be subject to suitable frictional force, and import downwards in printhead 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: compress mode by the first, unclamping after 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, compress mode by the second, 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.
The connecting line of 4.X axle mobile system, the connecting line of printing equipment pass from metallic channel, in the time that numerical-control motor and printhead move along X-direction, numerical-control motor and sensor conductor in this metallic channel by its guide effect, relatively move in groove, wire is neat, avoided wearing and tearing, increased wire dependability.
5. power supply, controller, power interface etc. are located at bottom base, wire unification is passed from wire through-hole, can make full use of base bottom space, center of gravity is low, and base plate top is neat, safe and reliable.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the cutaway view of A-A the first embodiment of Fig. 1;
Fig. 3 is the cutaway view of A-A the second embodiment of Fig. 1;
Fig. 4 is that the A of Fig. 1 is to view.
Detailed description of the invention
In order to understand better the utility model, explain in detail embodiment of the present utility model below in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 3, a kind of FDM technology 3D printer, comprises frame 1, base 2, X-axis mobile system 3, Y-axis mobile system, 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, described lower connecting plate 103 and left column 101, right column 102 connects, and base 2 is connected with lower connecting plate 103, and described printing equipment 6 is connected with X-axis mobile system 3, and 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 Z axis mobile system 5 comprises and lays respectively at left column 101, the left leading screw in right column 102 outsides, right leading screw 502, left leading screw, right leading screw 502 is provided with feed screw nut 504, described left leading screw, right leading screw 502 bottoms are connected with the output shaft that Z axis moves numerical-control motor 501, left leading screw, right leading screw 502 tops are connected with upper fixed cap 511, and Y-axis mobile system 4 is connected with base 2, 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 Z axis mobile system 5, printing equipment 6 connects.Described controller adopts single-chip microcomputer; Described X-axis mobile system 3 comprises X-axis moving guide rail 302, first limit switch 303 of the first numerical-control motor 301, level, X-axis moving guide rail 302 is connected with left side Z axis holder and right side Z axis holder 503 respectively, X-axis moving guide rail 302 is connected with left side support arm 604, the right side support arm 605 of printing equipment, the first limit switch 303 is connected with Z axis holder lower right side, the first limit switch 303 coordinates with left side support arm 604 bottoms of printing equipment, and described the first limit switch 303 is connected with controller.When the link of printing equipment is moved to the left, when support arm end, left side touches the first limit switch contact, link stops mobile.
The first numerical-control motor 301 is located at Z axis holder 503 bottoms in leading screw 502 outsides, left side, the outstanding Z axis holder of the first numerical-control motor 301 output shafts upper surface, be provided with the first synchromesh gear 307, the Z axis holder upper surface, right side in right side leading screw 502 outsides is provided with the first driven pulley 306, two left side leading screws of axis runout of the first numerical-control motor output shaft and the first driven pulley, plane one side at right side leading screw 502 axis places, described the first numerical-control motor 301 is connected with the first synchronous cog belt 304, the first synchronous cog belt 304 is rectangular band, one end of described rectangular band is connected with left side support arm 604, the other end is connected with right side support arm 605, and be fastened on left side support arm 604 by screw 607 respectively, in the draw-in groove of right side support arm 605.
Z axis holder 503 upper surfaces of described both sides are respectively provided with a directive wheel 305, described each directive wheel axis is located between the leading screw 502 of Z axis holder 503 at place and column and is departed from the opposite side of the plane at two leading screw axis places, and the axis of two directive wheel axis and the first numerical-control motor output shaft and the first driven pulley is distributed in the both sides of two leading screw axis place planes 308.
Described right side Z axis holder 503 is provided with along the wire of long through-hole groove 506, the first numerical-control motors 301, the first limit switch 303 and the printing equipment of X-axis moving guide rail direction and imports and be connected with the first numerical-control motor 301, the first limit switch 303 and printing equipment 6 respectively from the bottom of long through-hole groove 506.
Described printing equipment 6 comprises extrudes printhead 601, link 602, feed mechanism 603, left side support arm 604, the right side support arm 605 of described link 602 are connected, move axially along X-axis moving guide rail with X-axis moving guide rail 302, feed mechanism 603 is arranged on link 602, extrudes printhead 601 and is connected with link 602 bottoms.
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 engages with the second gear 6035, 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 be connected from set screw connecting hole, 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, unclamping after the second Compress Spring 6045 like this, 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.When 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 structure such as adjusting hole 6044 connecting with long slot bore, can regulate easily the position of driven pulley, keep the suitable distance of driven pulley and printing consumables driving wheel, make printing consumables be subject to suitable frictional force, and import downwards in printhead with suitable speed, and realize the axial restraint of follower shaft by 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 reference to the accompanying drawings the detailed description of the invention of utility model is described although above-mentioned; 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 amendments that creative work can make or distortion still in protection domain of the present utility model.

Claims (7)

1. a FDM technology 3D printer, is characterized in that, comprises frame, base, X-axis mobile system, Y-axis mobile system, Z axis mobile system, printing equipment, described frame comprises left column, right column and lower connecting plate, lower connecting plate and left column, right column connects, and base is connected with lower connecting plate, and printing equipment is connected with X-axis mobile system, and described X-axis mobile system is connected with Z axis mobile system, left column, right column is provided with column guide rail, and Z axis mobile system is connected with column guide rail, and Z axis mobile system comprises and is positioned at left column, the left leading screw in right column outside, right leading screw, left leading screw, right leading screw is provided with feed screw nut, described left leading screw, right leading screw bottom is connected with the output shaft that Z axis moves numerical-control motor, left leading screw, right leading screw top is connected with upper fixed cap, and Y-axis mobile system is connected with base, 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, described X-axis mobile system comprises X-axis moving guide rail, first limit switch of the first numerical-control motor, level, X-axis moving guide rail is connected with left side Z axis holder and right side Z axis holder respectively, X-axis moving guide rail is connected with left side support arm, the right side support arm of printing equipment, the first limit switch is connected with Z axis holder lower right side, the first limit switch coordinates with the support arm bottom, left side of printing equipment, and described the first limit switch is connected with controller.
2. FDM technology 3D printer as claimed in claim 1, it is characterized in that, described the first numerical-control motor is located at the Z axis holder bottom in leading screw outside, left side, the outstanding Z axis holder of the first numerical-control motor output shaft upper surface, be provided with the first synchromesh gear, the Z axis holder upper surface, right side in leading screw outside, right side is provided with the first driven pulley, two left side leading screws of axis runout of the first numerical-control motor output shaft and the first driven pulley, plane one side at leading screw axis place, right side, described the first numerical-control motor is connected with the first synchronous cog belt, the first synchronous cog belt is rectangular band, one end of described rectangular band is connected with left side support arm, the other end is connected with right side support arm, and respectively by screw fastening at left side support arm, in the draw-in groove of right side support arm.
3. FDM technology 3D printer as claimed in claim 1, it is characterized in that, the Z axis holder upper surface of described both sides is respectively provided with a directive wheel, and described each directive wheel axis is located between the leading screw of Z axis holder at place and column and is departed from the opposite side of the plane at two leading screw axis places.
4. FDM technology 3D printer as claimed in claim 1, it is characterized in that, described right side Z axis holder is provided with along the long through-hole groove of X-axis moving guide rail direction, and the wire of described the first numerical-control motor, the first limit switch and printing equipment imports and is connected with the first numerical-control motor, the first limit switch and printing equipment respectively from the bottom of long through-hole groove.
5. FDM technology 3D printer as claimed in claim 1, is characterized in that, described controller adopts single-chip microcomputer; The output voltage of described power supply is DC12V dc source; Described the first numerical-control motor, the 4th numerical-control motor adopt stepper motor; Described single-chip microcomputer, power supply are located at base bottom.
6. the FDM technology 3D printer as described in claim 1 to 5 any one, it is characterized in that, described printing equipment comprises extrudes printhead, link, feed mechanism, the left and right sides support arm of described link is connected, moves axially along X-axis moving guide rail with X-axis moving guide rail, feed mechanism is arranged on link, extrudes printhead and is connected with link bottom.
7. FDM technology 3D printer as claimed in claim 6, 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 engages with 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 be connected from set screw connecting hole, 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.
CN201420101927.XU 2014-03-07 2014-03-07 3D printer based on FDM technology Withdrawn - After Issue CN203739248U (en)

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Application Number Priority Date Filing Date Title
CN201420101927.XU CN203739248U (en) 2014-03-07 2014-03-07 3D printer based on FDM technology

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Application Number Priority Date Filing Date Title
CN201420101927.XU CN203739248U (en) 2014-03-07 2014-03-07 3D printer based on FDM technology

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103862676A (en) * 2014-03-07 2014-06-18 济南大学 FDM (fused deposition modeling) technology-based 3D (three-dimensional) printer
CN104139527A (en) * 2014-08-13 2014-11-12 珠海天威飞马打印耗材有限公司 Three-dimensional printer
CN106426929A (en) * 2016-12-14 2017-02-22 东莞市菱海三维科技有限公司 Feeding device for 3D printing nozzle and 3D printing nozzle

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103862676A (en) * 2014-03-07 2014-06-18 济南大学 FDM (fused deposition modeling) technology-based 3D (three-dimensional) printer
CN103862676B (en) * 2014-03-07 2016-03-02 济南大学 Fdm technology 3d printer
CN104139527A (en) * 2014-08-13 2014-11-12 珠海天威飞马打印耗材有限公司 Three-dimensional printer
CN106426929A (en) * 2016-12-14 2017-02-22 东莞市菱海三维科技有限公司 Feeding device for 3D printing nozzle and 3D printing nozzle
CN106426929B (en) * 2016-12-14 2019-04-09 东莞市菱海三维科技有限公司 A kind of 3D printing spray head feeding device and 3D printing spray head

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