CN206264365U - A kind of feed device and 3D printer - Google Patents
A kind of feed device and 3D printer Download PDFInfo
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- CN206264365U CN206264365U CN201621298451.9U CN201621298451U CN206264365U CN 206264365 U CN206264365 U CN 206264365U CN 201621298451 U CN201621298451 U CN 201621298451U CN 206264365 U CN206264365 U CN 206264365U
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- feed
- inroller
- feed mechanism
- shank
- feed device
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Abstract
The utility model is related to a kind of feed device and 3D printer, belongs to printer field.The feed device includes feed pipe, passage, heat block, at least one set of feeding mechanism, blade, PLC system and the second feed mechanism, every group of feeding mechanism includes the first feed mechanism, each first feed mechanism is arranged at the feed end of feed device and connects the second feed mechanism by feed pipe, second feed mechanism connects passage, heat block is arranged at the outer wall of passage, blade is arranged between the second feed mechanism and heat block and for cutting the material from the second feed mechanism toward heating Block direction movement, PLC system is electrically connected with the first feed mechanism and the second feed mechanism, the feeder structure is simple, stable performance, the charging and discharging that material can be made coherent, avoid appearance winding card machine phenomenon during discharging, reload conveniently.By setting above-mentioned feed device, 3D printer can conveniently and efficiently carry out the switching between different material.
Description
Technical field
The utility model is related to printer field, and in particular to a kind of feed device and 3D printer.
Background technology
3D printer, also known as three-dimensional 3D printer (3DP), is a kind of accumulation manufacturing technology, i.e. one kind of RP technique
Machine, based on it is a kind of mathematical model file, with special wax material, powdery metal or plastics etc. can jointing material, lead to
Printing jointing material from level to level is crossed to manufacture the object of three-dimensional.Three-dimensional 3D printer is used to manufacture product at this stage.Successively
The mode of printing carrys out the technology of constructed object.The principle of 3D printer is machine meeting during data and raw material are put into 3D printer
Product is created from level to level according to program.
The 3D printer difference maximum with traditional 3D printer is that " ink " that it is used is raw material true,
Stack thin layer form have varied, can be used for print medium wide variety, from various plastics to metal, ceramics and
Rubber-like material.Some 3D printers can also combine different medium, and one, the object that order is printed is hard and other end is soft.
3D printing common used material has nylon glass, durability nylon material, gypsum material, aluminum, titanium alloy, stainless steel, silver-plated, plating
Gold, rubber type of material.
Existing 3D printer typically is merely able to carry out a kind of file printing of color, if desired during many color prints, although
When twin-jet nozzle 3D printer, but twin-jet nozzle 3D printer can be used to work, it is necessary to carry out different colours to two nozzles
The switching of material can realize that colour mixture is printed, and different colours material correspondence different spray nozzles, switching process is cumbersome, printing effect
It is low, while after can not the material of many colors be mixed, being printed using colour mixture material.Also have only with a nozzle simultaneously
The 3D printer of material spray is carried out by multiple different colours feed pipes, but easily there is silk during silk is changed in the 3D printer
The phenomenons such as material tangled up and knotted, card machine.
Utility model content
The purpose of this utility model is to provide a kind of feed device, and the feeder structure is simple, stable performance, can make
Material coherent charging and discharging, it is to avoid tangled up and knotted and card machine phenomenon occur during discharging, reload conveniently.
Another object of the present utility model is to provide a kind of 3D printer including above-mentioned feed device, the 3D printer
The switching between different material can be conveniently and efficiently carried out, the 3D models for printing are attractive in appearance, and effect is good.
The utility model solves its technical problem using following technical scheme to realize：
The utility model proposes a kind of feed device, it includes feed pipe, passage, heat block, at least one set of charger
Structure, blade, PLC system and the second feed mechanism, every group of feeding mechanism include the first feed mechanism, and each first feed mechanism sets
It is placed in the feed end of feed device and the second feed mechanism, the second feed mechanism connection passage, heating is connected by feed pipe
Block is arranged at the outer wall of passage, and blade is arranged between the second feed mechanism and heat block and for cutting from the second feeder
The material that structure is moved toward the direction of heat block, PLC system is electrically connected with the first feed mechanism and the second feed mechanism.
Further, in the utility model preferred embodiment, the quantity of feeding mechanism is 4 groups.
Further, in the utility model preferred embodiment, the first feed mechanism includes the first housing, the first drawing-inroller
With the second drawing-inroller, the first drawing-inroller rotate be arranged at the first housing, form first between the first drawing-inroller and the second drawing-inroller
Feeding channel, the first feeding channel is connected with feed pipe, and the first drawing-inroller is connected with first driving means, first driving means with
PLC system is electrically connected.
Further, in the utility model preferred embodiment, the second feed mechanism includes the second housing, the 3rd drawing-inroller
With the 4th drawing-inroller, the 3rd drawing-inroller rotate be arranged at the second housing, form second between the 3rd drawing-inroller and the 4th drawing-inroller
Feeding channel, the two ends of the second feeding channel connect with feed pipe and passage respectively, and the 3rd drawing-inroller is connected with the second driving
Device, the second drive device is electrically connected with PLC system.
Further, in the utility model preferred embodiment, the outer ring surface of the 3rd drawing-inroller and the 4th drawing-inroller
Outer ring surface is respectively provided with teeth.
Further, in the utility model preferred embodiment, the second feed mechanism is additionally provided with material inductor, material
Inductor is arranged at the porch of the second feeding channel, material inductor electrical connection PLC system.
Further, in the utility model preferred embodiment, the second feed mechanism also includes the second compression member, second
Compression member is connected with the 4th drawing-inroller and drives the 4th drawing-inroller to move so that the width of the second feeding channel changes.
Further, in the utility model preferred embodiment, the second compression member includes handle and spring, handle bag
Include the first shank and the second shank, the junction of the first shank and the second shank is articulated with the second housing, and the 4th drawing-inroller is rotated
The second shank is arranged at, the two ends of spring are respectively held against the second housing and the first shank.
Further, in the utility model preferred embodiment, feed device is provided with waste material collection device in discharge end.
The utility model also proposes a kind of 3D printer, including above-mentioned feed device, and the 3D printer can be convenient and swift
Carry out between different material switching.
The beneficial effect of the feed device of the utility model embodiment is：Be arranged at for first feed mechanism by the feed device
Feed end simultaneously connects the second feed mechanism by feed pipe, and the second feed mechanism is connected with passage again, to coordinate the first feeding
Mechanism completes the entrance and extraction of material, so as to realize operation of reloading.Guide pipe outer wall is provided with for heating solid material
Heat block, is provided with the blade for cut-out material in time such that it is able to make different face between heat block and the second feed mechanism
The material Nature Link of color is excessive, melts into a complete silk thread.The running of the first feed mechanism and the second feed mechanism by
PLC system is controlled, and material enters fashionable, and PLC system controls the first feed mechanism that material is sent into the second feeder by feed pipe
Structure, when material reaches the second feed mechanism, the first feed mechanism is stopped, after being carried out to material by the second feed mechanism
Resume and send；When needing more to renew material, blade cuts off marine store, and remaining part is drawn back by the second feed mechanism, when
The partial material is drawn back during to the first feed mechanism, and the second feed mechanism is stopped, and the material is entered by the first feed mechanism
Enter follow-up extraction, so that material coherent charging and discharging, it is to avoid winding occur during discharging, knot and card machine is existing
As reloading conveniently.Additionally, the feeder structure is simple, stable performance, and it is easy to operate, it is easy to control.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, below will be to be used needed for embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
Other related accompanying drawings are obtained with according to these accompanying drawings.
The structural representation of feed device in the 3D printer that Fig. 1 is provided for the utility model embodiment；
The first structural representation for the first feed mechanism that Fig. 2 is provided for the utility model embodiment；
The schematic diagram of the material inductor installation site that Fig. 3 is provided for the utility model embodiment；
The first structural representation for the second feed mechanism that Fig. 4 is provided for the utility model embodiment；
Second structural representation of the second feed mechanism that Fig. 5 the utility model embodiment is provided；
The structural representation of the cam that Fig. 6 is provided for the utility model embodiment.
Icon：10-3D printers；100- feed devices；110- feeding mechanisms；The feed mechanisms of 111- first；112- first
Drawing-inroller；113- material inductors；The drawing-inrollers of 114- second；The feed mechanisms of 115- second；The drawing-inrollers of 116- the 3rd；117- first
Material inductor；The drawing-inrollers of 118- the 4th；119- second material inductors；120- feed pipes；121- branched pipes；130- guides
Pipe；140- heat blocks；150- blades；160-PLC systems；The feed mechanisms of 170- second；180- garbage collections portion；171- first is pressed
Contracting part；The compression members of 173- second；The housings of 210- first；220- first driving means；221- output shafts；231- cams；
233- line shafts；The housings of 250- second；The drive devices of 260- second；310a- handles；310b- handles；330a- springs；330b-
Spring；The shanks of 311a- first；The shanks of 311b- first；312- pivots；The shanks of 313a- second；The shanks of 313b- second；317-
One electromagnet；The electromagnet of 318- second.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described to the technical scheme in the utility model embodiment.Obviously, retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally described in accompanying drawing herein and
The component of the utility model embodiment for showing can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
In description of the present utility model, it is necessary to explanation, term " on ", D score, " level ", " vertical ", " interior ",
The orientation or position relationship of the instruction such as " outward " are or the utility model product based on orientation shown in the drawings or position relationship
The orientation or position relationship usually put when using, are for only for ease of description the utility model and simplify description, without referring to
Show or imply that the device or element of meaning with specific orientation, with specific azimuth configuration and operation, therefore must can not be managed
Solution is to limitation of the present utility model.Additionally, term " first ", " second " are only used for distinguishing description, and it is not intended that indicating
Or imply relative importance.
Additionally, the term such as term " level ", " vertical " is not offered as requiring part abswolute level or vertical, and can be slightly
Low dip.It is not that the expression structure must be complete if " level " refers to only its direction with respect to more level for " vertical "
Full level, and can be to be slightly tilted.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets
Put ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in utility model.
Feed device of the present utility model 100 and 3D printer 10 are specifically described with reference to embodiments.
3D printer of the present utility model 10 is provided with feed device 100, and material is fed through 3D and beats by feed device 100
In print machine 10, because 3D printer of the present utility model 10 is with feed device 100 involved in the utility model embodiment,
Therefore it is applicable to multiple color, different attribute, the feelings that the material of such as electric conductivity, magnetic, color change etc. is printed
Condition.
Fig. 1 is refer to, the feed device 100 in the utility model embodiment includes feeding mechanism 110, feed pipe 120, leads
Expects pipe 130, heat block 140, blade 150, the feed mechanism 170 of PLC system 160 and second.
Wherein, the feed mechanism 170 of feeding mechanism 110 and second is electrically connected with PLC system 160 and controlled by PLC system 160
Make its running.Additionally, PLC system 160 can also control the work of heat block 140 and blade 150 by electrically connecting.
Specifically, the quantity of the feeding mechanism 110 in the utility model embodiment is not unique, and can be one group, also can root
It is set to according to the material of actually required different colours multigroup.Because the material color needed for 3D printing is usually 2-4 kinds, therefore this reality
For example could be arranged to 4 groups with the feeding mechanism 110 in new embodiment, with simultaneously for the material of 4 kinds of different colours provide into
Material channel.Every group of feeding mechanism 110 includes 1 the first feed mechanism 111, and each first feed mechanism 111 can for example set
The feed end of feed device 100 is placed in, the feed end is the arrival end that outside material enters feed device 100.Refer to Fig. 2,
First feed mechanism 111 includes the first drawing-inroller 112, the second drawing-inroller 114 and the first housing 210 again.Second drawing-inroller 114
Can such as rotate and be arranged at the first housing 210, the first drawing-inroller 112 for example can enter the first feed mechanism along perpendicular to material
111 direction is arranged side by side with the second drawing-inroller 114, has space between the first drawing-inroller 112 and the second drawing-inroller 114, should
Space is to form the first feeding channel, so that for material provides logical from outside feed device 100 to movement inside feed device 100
Road.Used as preferred, the first drawing-inroller 112 and the second drawing-inroller 114 can for example be respectively driving wheel and driven pulley, refer to
Fig. 1, the first drawing-inroller 112 is connected with the first driving means 220 including output shaft 221 and first drawing-inroller 112 is sheathed on
The output shaft 221, preferably, first driving means 220 can be motor.The first driving means 220 and PLC system 160
Electrical connection.Preferably, 4 groups of feeding mechanisms 110 in the present embodiment stack gradually setting, and each feeding mechanism 110 first
Drawing-inroller 112 is sheathed on the output shaft 221 of first driving means 220.When first driving means 220 start, can drive
All of first drawing-inroller 112 is rotated, and is overcome each feeding mechanism 110 in the prior art and is required to set individually driving dress
The drawbacks of putting.
When material enters the first feed mechanism 111, PLC system 160 sends the signal for starting first driving means 220,
First driving means 220 drive the first drawing-inroller 112 to rotate, now, drive of second drawing-inroller 114 in the first drawing-inroller 112
Under also begin to rotate, because the first drawing-inroller 112 and the second drawing-inroller 114 are contacted in rotation process with material and produce friction
Power, so as to move material in the presence of frictional force.
Refer to Fig. 3, the outer ring surface of the first drawing-inroller 112 and the second drawing-inroller 114 is respectively provided with teeth, is sent to increase first
Frictional force between material wheel 112, the second drawing-inroller 114 and material, wherein outer ring surface are the first drawing-inroller 112, the second drawing-inroller
114 faces being in contact with material when rotating.Used as preferred, the tooth in the present embodiment is in the first drawing-inroller 112, the second drawing-inroller
114 outer ring surface uniform intervals distribution, so that uniform force in material moving process, at the uniform velocity moves.What deserves to be explained is, outer shroud
Tooth on face can be a row along the circumferentially disposed of outer ring surface, may be alternatively provided as multiple row, when tooth is a row, preferably by the row tooth
The position equal with two Edge Distances of ring is arranged on outer ring surface, to be more conducive to the movement of material.Further, it is also possible to
The outer ring surface of one drawing-inroller 112 and the second drawing-inroller 114 sets non-skid rubber ring to substitute tooth.
In order to control the running of the first drawing-inroller 112 and the second drawing-inroller 114, Fig. 2, the first feed mechanism 111 are refer to
The first compression member 171 is also provided with, first compression member 171 is connected with the second drawing-inroller 114 and drives the second drawing-inroller
114 move to change the width of the first feeding channel, and the width is the outer ring surface of the first drawing-inroller 112 and the second drawing-inroller 114
Beeline between outer ring surface.Specifically, the first compression member 171 includes handle 310a and spring 330a.Wherein, handle
310a includes the first shank 311a, the second shank 313a and pivot 312, the connection of the first shank 311a and the second shank 313a again
Place is articulated with the first housing 210, namely the first shank 311a is connected with the second shank 313a, and pivot 312 passes through the first shank
The tie point of 311a and the second shank 313a and be hinged with the first housing 210, rotated on the second shank 313a and be provided with second and send
Material wheel 114.The two ends of spring 330a are respectively held against the first housing 210 and the first shank 311a.Material enters the first feed mechanism
When 111, spring 330a is in non-compressed state, and now the second shank 313a in the first compression member 171 is to the second drawing-inroller
114 without active force, and the width of the first feeding channel formed between the first drawing-inroller 112 and the second drawing-inroller 114 just makes the
One drawing-inroller 112, the second drawing-inroller 114 are contacted with material, and material from first feeding is promoted by contacting the frictional force for producing
Passage passes through, and conveys material.Preferably, can set what is electrically connected with PLC system 160 by outside the first compression member 171
Electromagnet controls the deformed state of spring 330a in the first compression member 171.What deserves to be explained is, the utility model embodiment
In spring 330a can also be substituted with other elastic components, such as elastic block rubber.
One end of feed pipe 120 connects with the first feeding channel, and under working condition, material enters from outside feed device 100
Squeezed to feed pipe by the first feeding channel under the continuous action power for entering and being produced between the first feed mechanism 111 and material
In 120.As preferred, Fig. 1 is refer to, feed pipe 120 can for example set multiple points near one end of feeding mechanism 110
Branch pipe 121 and branched pipe 121 is connected with the first feeding channel, the material in real work for coordinating with various different colours
With the situation of multigroup feeding mechanism 110.When with branched pipe 121, each branched pipe 121 only allows a kind of material of color
Turnover, in order to avoid cross winding.For example when the first feed mechanism 111 is provided with 4 groups, branched pipe 121 also answers relative set for 4,
4 the first feed mechanisms 111 are corresponded to respectively.Preferably, the caliber of branched pipe 121 is by near one end of the first feed mechanism 111
It is gradually reduced to the one end away from the first feed mechanism 111.Further, branched pipe 121 connects end example with the first feeding channel
Such as could be arranged to it is horn-like, so as to material from the first feed mechanism 111 entrance after can be by the first feeding channel exactly
In penetrating into corresponding branched pipe 121.What deserves to be explained is, feed pipe 120 can not also be connected with the first feeding channel,
But the one end of the first feed mechanism 111 away from feed end is arranged at intervals at, and in such cases, the feeding of feed pipe 120 and first
Spacing distance and interval location between mechanism 111 need to only ensure can be along it from the material of the feeding of the first feed mechanism 111
Smoothly enter feed pipe 120 into track.
Feed pipe 120 is communicated with the second feed mechanism 115, namely the first feed mechanism away from one end of the first feeding channel
111 are connected by feed pipe 120 with the second feed mechanism 115.Fig. 4 is refer to, the second feed mechanism 115 includes the 3rd feeding again
Wheel the 116, the 4th drawing-inroller 118 and the second housing 250.4th drawing-inroller 118 can for example be rotated and be arranged at the second housing 250,
3rd drawing-inroller 116 can for example be arranged side by side along the direction moved perpendicular to material with the 3rd drawing-inroller 116, the 3rd drawing-inroller
116 and the 4th have space between drawing-inroller 118, and the space is to form the second feeding channel, so as to be material from feed pipe 120
Passage is provided to next transport section movement.Used as preferred, the 3rd drawing-inroller 116 and the 4th drawing-inroller 118 for example can be respectively
It is driving wheel and driven pulley, the 3rd drawing-inroller 116 is connected with the second drive device 260, second drive device 260 and PLC systems
System 160 is electrically connected.When material enters the second feed mechanism 115, PLC system 160 sends the letter for starting the second drive device 260
Number, the second drive device 260 drives the 3rd drawing-inroller 116 to rotate, now, band of the 4th drawing-inroller 118 in the 3rd drawing-inroller 116
Also begin to rotate under dynamic, because the 3rd drawing-inroller 116 and the 4th drawing-inroller 118 are contacted in rotation process with material and produce friction
Power, so as to move material in the presence of frictional force.
Refer to Fig. 3, the outer ring surface of the 3rd drawing-inroller 116 and the 4th drawing-inroller 118 be also respectively provided with it is with teeth, to increase the 3rd
Frictional force between drawing-inroller 116, the 4th drawing-inroller 118 and material, wherein outer ring surface are the 3rd drawing-inroller 116, the 4th feeding
The face that wheel 118 is in contact when rotating with material.Used as preferred, the tooth in the present embodiment send in the 3rd drawing-inroller 116 and the 4th
The outer ring surface uniform intervals distribution of material wheel 118, so that uniform force in material moving process, at the uniform velocity moves.What deserves to be explained is,
Tooth on outer ring surface can be a row along the circumferentially disposed of outer ring surface, may be alternatively provided as multiple row, when tooth is a row, preferably should
Row tooth is arranged on outer ring surface the position equal with two Edge Distances of ring, to be more conducive to the movement of material.
In order to control the running of the 3rd drawing-inroller 116 and the 4th drawing-inroller 118, Fig. 4, the second feed mechanism 115 are refer to
The second compression member 173 is also provided with, second compression member 173 is connected with the 4th drawing-inroller 118 and drives the 4th drawing-inroller
118 move to change the width of the second feeding channel, and the width is the outer ring surface of the 3rd drawing-inroller 116 and the 4th drawing-inroller 118
Beeline between outer ring surface.Specifically, the second compression member 173 includes handle 310b and spring 330b.Wherein, handle
The junction including the first shank 311b and the second shank 313b, the first shank 311b and the second shank 313b is articulated with 310b again
Second housing 250, rotates on the second shank 313b and is provided with the 4th drawing-inroller 118.The two ends of spring 330b are respectively held against second
The shank 311b of housing 250 and first.When material enters the second feed mechanism 115, spring 330b is in non-compressed state, and now the
The second shank 313b in two compression members 173 to the 4th drawing-inroller 118 without active force, the 3rd drawing-inroller 116 and the 4th feeding
The width of the second feeding channel formed between wheel 118 just makes the 3rd drawing-inroller 116, the 4th drawing-inroller 118 be contacted with material,
Promote material to pass through from second feeding channel by contacting the frictional force for producing, convey material；Change material when, marine store from
Drawn back in second feed mechanism 115, when it is drawn back to the first feed mechanism 111, the second feed mechanism 115 decommissions, the
One feed mechanism 111 starts to rotate, and now the first shank 311b in the second compression member 173 is pressed down against spring 330b, makes
Spring 330b is in compressive state, and the first shank 311b drives the second shank 313b to move and be further driven to and the second shank
4th drawing-inroller 118 of 313b connections is moved to the direction away from the 3rd drawing-inroller 116, so that the width of the second feeding channel
Broaden, i.e., the 3rd drawing-inroller 116, the 4th drawing-inroller 118 are contactless with material, now the 3rd drawing-inroller 116, the 4th drawing-inroller
118 to material without any active force, in order to be produced to material during the transported material of the first feed mechanism 111
Any drag force for hindering it to transport.While the second feed mechanism 115 is stopped, the first compression member 171 is in non-
Compressive state, the first the second drawing-inroller 114 of compression member 171 pairs without active force, the first drawing-inroller 112 and the second drawing-inroller 114
Between the width of the first feeding channel that is formed the 3rd drawing-inroller 116, the 4th drawing-inroller 118 can just contacted with material,
The material departed from the second feed mechanism 115 is drawn back by contacting the frictional force for producing.
Second feed mechanism 115 makes each first feeding channel for controlling each second shank 313a to move with independent
Width change, namely the independent drive of the second feed mechanism 115 each first shank 311a motion is so that the second shank
313a is rotated along pivot 312.Preferably, Fig. 2 and Fig. 4 is refer to, can be by the outer setting of the second compression member 173 and PLC
The electromagnet of the electrical connection of system 160 controls the deformed state of spring 330b in the second compression member 173.That is to say the second feeding
Mechanism 115 is provided with the first electromagnet 317, and the first shank 311a of the first feed mechanism 111 is provided with and the first electromagnet 317
The second electromagnet 318 for cooperating, and the first electromagnet 317, the second electromagnet 318 electrically connect with PLC system 160.Enter
One step, the quantity of the quantity of the second electromagnet 318 and the first electromagnet 317 is identical, and the second electromagnet 318 and
One electromagnet 317 is corresponded.In the presence of PLC system 160, the first electromagnet 317 and the second electromagnet 318 can be mutual
Absorption is separated, and the first shank 311a is moved in the presence of the first electromagnet 317 and the second electromagnet 318, by the first handle
The second shank of mobile drive 313a movements of portion 311a, then the movement of the second drawing-inroller 114 is driven by the second shank 313a, from
And control the width of the first feeding channel between the first drawing-inroller 112 and the second drawing-inroller 114；Similarly, the first shank
311b is moved in the presence of the first electromagnet 317 and the second electromagnet 318, by the mobile drive second of the first shank 311b
Shank 313b is moved, then the movement of the 4th drawing-inroller 118 is driven by the second shank 313b, so as to control the 3rd drawing-inroller
116 and the width of the 4th the second feeding channel between drawing-inroller 118.
What deserves to be explained is, the second compression member 173 of the second feed mechanism 115 can not in the utility model embodiment
Spring 330b is set.In this case, refer to Fig. 5 and Fig. 6, the second feed mechanism 115 includes the second drive device 260 and multiple
Cam 231, it is preferred that the second drive device 260 is motor.Second drive device 260 has line shaft 233, and cam 231 is set
In above-mentioned line shaft 233, and the quantity of cam 231 is identical with the quantity of the first feed mechanism 111.Second drive device 260
It is electrically connected to PLC system 160 and starts under the instruction of PLC system 160.
Specifically, the line shaft 233 of the second drive device 260 and output shaft 221 of first driving means 220 is parallel sets
Put, and the cam 231 being arranged on line shaft 233 is corresponded with the first feed mechanism 111 for being arranged at output shaft 221, power
Axle 233 is arranged between the first shank 311b and the second housing 250.The first feed mechanism 111 and cam 231 in the present embodiment
Quantity correspond to and be preferably four, by the way of the same setting using stacking.The wheel peak of aforementioned four cam 231 perpendicular to
Projection in the plane of the axis of line shaft 233 is misaligned, i.e., can there is certain folder between the adjacent cam 231 of each two
Angle, and the wheel peak of any two cam 231 will not overlap, and can effectively ensure that in the work of the first feed mechanism 111
Wait, the first feed mechanism of only one of which 111 can effectively be printed the transmission work of raw material all the time.Each first feeding
First shank 311a of mechanism 111 can independently be rotated in the presence of cam 231, while driving corresponding second shank
313a is rotated, and the second drawing-inroller 114a is moved in the presence of the second shank 313a, so as to be started to control with the first drawing-inroller 112a mono-
The width of the first feeding channel is made, the choosing of printing raw material is realized with the independent occlusion by each the first feed mechanism 111a
Select, transmit.
Further, in order to preferably continuously be switched to material, feed device 100 is additionally provided with material inductor
113.In the present embodiment, 113 points of material inductor is first material inductor 117 and second material inductor 119.Wherein first
Material inductor 117 is arranged at the first feed mechanism 111, and second material inductor 119 is arranged at the second feed mechanism 115.Tool
Body, Fig. 3 is refer to, during feeding, material enters along the direction of A to B, first material inductor 117 and second material inductor
119 porch for being respectively arranged at the first feeding channel and the porch of the second feeding channel, such that it is able to sense earlier from A
The material that direction conveying comes, promotes the first feed mechanism 111 or the second feed mechanism 115 to rotate in advance, is beneficial to preferably
Scoop out and squeeze material.First material inductor 117 and second material inductor 119 are electrically connected with PLC system 160 respectively, and
Material is passed to by PLC system 160 into situation by electric signal.Specifically, when material delivers to the first feed mechanism from outside
When 111, touch first material inductor 117, now, first material inductor 117 by signal transmission to PLC system 160,
PLC system 160 drives the first feeding in the first feed mechanism 111 after receiving the signal by first driving means 220
Wheel 112 is rotated, and drives the second drawing-inroller 114 to rotate by the first drawing-inroller 112, and then material clamp-oned into feed pipe 120.When
Material in feed pipe 120 goes ahead when being delivered to the second feed mechanism 115, material head touching second material inductor 119,
Now, by signal transmission to PLC system 160, PLC system 160 stops second material inductor 119 immediately after receiving the signal
The rotation of the first feed mechanism 111 simultaneously drives the 3rd drawing-inroller in the second feed mechanism 115 by the second drive device 260
116 start to rotate, and drive the 4th drawing-inroller 118 to rotate by the 3rd drawing-inroller 116, and then continue to convey material.Similarly, when
When needing switching material, PLC system 160 is rotated when driving the second feed mechanism 115 along with charging by the second drive device 260
Direction in opposite direction rotates, and untapped material is just taken out with the rotation of the second feed mechanism 115, when material head is de-
During from the second feed mechanism 115, second material inductor 119 soon transmits a signal to PLC system 160, PLC system 160
The rotation of the second feed mechanism 115 is stopped and by the first driving by the second drive device 260 immediately after receiving the signal
Device 220 drives the first feed mechanism 111 to start to rotate, so that the material that further will be disengaged from the second feed mechanism 115 is drawn back.
Therefore, during PLC system 160 controls the first feed mechanism 111 respectively by the drive device 260 of first driving means 220 and second
The first drawing-inroller 112 and the second feed mechanism 115 in the 3rd drawing-inroller 116 rotation and stopping, so as to control whole
The running of one feed mechanism 111 and the second feed mechanism 115.If feeding mechanism 110 has the feelings of multigroup first feed mechanism 111
Under condition, when first group of first feed mechanism 111 draws back the material of the first color, second group of first feed mechanism 111 can be with
Second material of color is conveyed to delivery tube simultaneously, but because the material of different colours is carried out by different branched pipes 121
Conveying, thus avoid the material of different colours cause to wind in course of conveying, knot, card machine situations such as.
For the color of silk used when preferably monitoring printing, the first feeding channel porch and the second feeding are logical
Road porch can also for example set Tansducer For Color Distiguishing in the vertical direction along material moving direction, so as to immediately by silk
Situation feed back to feed device 100, whether can know for sure needs switchable wire.
Further, the second feed mechanism 115 is communicated with passage 130, namely the second feeding channel away from feed pipe 120
One end be communicated with passage 130, the other end of passage 130 can for example connect shower nozzle, in real work, feed pipe 120
In material shower nozzle is transported to through passage 130 by the second feeding channel again, be ejected on model to be printed through shower nozzle.
In order that during reloading different colours material can Nature Link or excessively, passage 130 outer wall also
Heat block 140 is provided with, the heating-up temperature of the heat block 140 can be adjusted according to the melt temperature of material.When material is many
During kind of color, the material of the different colours after being heated through the heat block 140 can in passage 130 Nature Link or excessively,
So as to play a part of for the material for heating different colours to melt into a complete silk thread.What deserves to be explained is, the heat block 140
Also with the wall contacts of passage 130 material in passage 130 can not can be made to reach melting under only need to ensureing it in working order
State.
In order to cut-out material in time, in the utility model embodiment the second feed mechanism 115 and heat block 140 it
Between be additionally provided with blade 150, the blade 150 is used to cut the thing that is moved toward the direction of heat block 140 from the second feed mechanism 115
Material.Used as preferred, the blade 150 in the present embodiment can be for example arranged between the second feed mechanism 115 and heat block 140
And near the position of heat block 140, to ensure that blade 150 in time can cut material in the junction when switching material is needed
It is disconnected, and material to be utilized and remaining material is reached optimum balance, not only may insure printing precision, moreover it is possible to save thing
Material, avoids waste.
During because of switching material, the material meeting natural fracture after heated piece 140 heating, so that it is not heated to remain a part
Material in passage 130, therefore the present embodiment is additionally provided with garbage collection portion 180 in the discharge end of feed device 100, and this goes out
Material end is one end of material spray in 3D printer 10, and material is sprayed on model to be printed through the discharge end.In switching material
During, heat block 140 stops heating, and the marine store of residual is supported out and sent by new material by feed pipe 120 and passage 130
Expects pipe 120 and passage 130, and be collected in garbage collection portion 180.
In sum, the first feed mechanism 111 is arranged at the feed end of 3D printer 10 and passed through by the feed device 100
Feed pipe 120 connects the second feed mechanism 115, and the second feed mechanism 115 is connected with passage 130 again, to coordinate the first feeding
Mechanism 111 completes the entrance and extraction of material, so as to realize operation of reloading.The outer wall of passage 130 is provided with for heating solid-state
The heat block 140 of material, is provided with the blade for cut-out material in time between the feed mechanism 115 of heat block 140 and second
150 such that it is able to make the material Nature Link of different colours or excessive, melt into a complete silk thread.First feed mechanism 111
Running with the second feed mechanism 115 is controlled by PLC system 160, and material enters fashionable, and PLC system 160 controls the first feed mechanism
Material is sent to the second feed mechanism 115 by 111 by feed pipe 120, when material reaches the second feed mechanism 115, the first feeding
Mechanism 111 is stopped, and material is subsequently transmitted by the second feed mechanism 115；When needing more to renew material, knife
Piece 150 cuts off marine store, and remaining part is drawn back by the second feed mechanism 115, is drawn back to first when the partial material and sent
During material mechanism 111, the second feed mechanism 115 is stopped, and follow-up extraction is entered by 111 pairs of materials of the first feed mechanism, from
And make material coherent charging and discharging, it is to avoid there is winding during discharging, knot and card machine phenomenon, reload conveniently.This
Outward, the simple structure of feed device 100, the stable performance, easy to operate, easy to control.
Embodiments described above is a part of embodiment of the utility model, rather than whole embodiments.This practicality
The detailed description of new embodiment is not intended to limit claimed scope of the present utility model, but is merely representative of this reality
With new selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that is obtained, belong to the scope of the utility model protection.
Claims (10)
1. a kind of feed device, it is adaptable to 3D printer, it is characterised in that it includes feed pipe, passage, heat block, at least
One group of feeding mechanism, blade, PLC system and second feed mechanism, feeding mechanism described in every group include the first feed mechanism, each
First feed mechanism is arranged at the feed end of the feed device and connects second feeder by the feed pipe
Structure, second feed mechanism connects the passage, and the heat block is arranged at the outer wall of the passage, and the blade sets
It is placed between second feed mechanism and the heat block and for cutting from second feed mechanism toward the heat block
Direction movement material, the PLC system electrically connects with first feed mechanism and second feed mechanism.
2. feed device according to claim 1, it is characterised in that first feed mechanism includes the first housing, the
One drawing-inroller and the second drawing-inroller, first drawing-inroller are rotated and are arranged at first housing, first drawing-inroller and institute
State and form the first feeding channel between the second drawing-inroller, first feeding channel is connected with the feed pipe, and described first send
Material wheel is connected with first driving means, and the first driving means are electrically connected with the PLC system.
3. feed device according to claim 2, it is characterised in that the feeding mechanism is 4 groups.
4. feed device according to claim 1, it is characterised in that second feed mechanism includes the second housing, the
Three drawing-inrollers and the 4th drawing-inroller, the 3rd drawing-inroller are rotated and are arranged at second housing, the 3rd drawing-inroller and institute
State and formed between the 4th drawing-inroller the second feeding channel, the two ends of second feeding channel respectively with the feed pipe and described
Passage is connected, and the 3rd drawing-inroller is connected with the second drive device, and second drive device is electrically connected with the PLC system
Connect.
5. feed device according to claim 4, it is characterised in that the outer ring surface of the 3rd drawing-inroller and described
The outer ring surface of four drawing-inrollers is respectively provided with teeth.
6. feed device according to claim 4, it is characterised in that second feed mechanism is additionally provided with material sensing
Device, the material inductor is arranged at the porch of second feeding channel, and the material inductor electrically connects the PLC systems
System.
7. feed device according to claim 4, it is characterised in that second feed mechanism also includes the second compression unit
Part, second compression member is connected with the 4th drawing-inroller and drives the 4th drawing-inroller motion so that described second send
Expect that the width of passage changes.
8. feed device according to claim 7, it is characterised in that second compression member includes handle and bullet
Spring, the handle includes the first shank and the second shank, and the junction of first shank and second shank is articulated with institute
State the second housing, the 4th drawing-inroller is rotated and is arranged at second shank, the two ends of the spring are respectively held against described the
Two housings and first shank.
9. feed device according to claim 1, it is characterised in that the feed device is provided with waste material and receives in discharge end
Acquisition means.
10. a kind of 3D printer, it is characterised in that including the feed device as described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621298451.9U CN206264365U (en) | 2016-11-30 | 2016-11-30 | A kind of feed device and 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621298451.9U CN206264365U (en) | 2016-11-30 | 2016-11-30 | A kind of feed device and 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206264365U true CN206264365U (en) | 2017-06-20 |
Family
ID=59042982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621298451.9U Withdrawn - After Issue CN206264365U (en) | 2016-11-30 | 2016-11-30 | A kind of feed device and 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206264365U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393691A (en) * | 2016-11-30 | 2017-02-15 | 金华市易立创三维科技有限公司 | Feeding device and three-dimensional (3D) printer |
| CN114347471A (en) * | 2021-12-03 | 2022-04-15 | 向涛 | Additive 3D printing nozzle |
-
2016
- 2016-11-30 CN CN201621298451.9U patent/CN206264365U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393691A (en) * | 2016-11-30 | 2017-02-15 | 金华市易立创三维科技有限公司 | Feeding device and three-dimensional (3D) printer |
| CN106393691B (en) * | 2016-11-30 | 2018-07-13 | 金华市易立创三维科技有限公司 | A kind of feed device and 3D printer |
| CN114347471A (en) * | 2021-12-03 | 2022-04-15 | 向涛 | Additive 3D printing nozzle |
| CN114347471B (en) * | 2021-12-03 | 2023-12-19 | 深圳市深技电子有限公司 | Additive 3D prints nozzle |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170620 Effective date of abandoning: 20180713 |