CN207496013U - FDM types 3D printer and 3D printing head - Google Patents
FDM types 3D printer and 3D printing head Download PDFInfo
- Publication number
- CN207496013U CN207496013U CN201721603984.8U CN201721603984U CN207496013U CN 207496013 U CN207496013 U CN 207496013U CN 201721603984 U CN201721603984 U CN 201721603984U CN 207496013 U CN207496013 U CN 207496013U
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- Prior art keywords
- feed pipe
- heat
- nozzle
- radiator
- printing head
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Abstract
The utility model is related to a kind of FDM types 3D printer and 3D printing heads, the side wall of the radiator of 3D printing head offers open cavity, first is offered on the top of radiator and connects hole, one end of feed pipe sequentially passes through first and connects hole and open cavity, so that feed pipe is contacted with air, ensure that the temperature of the feeding tube portion close to nozzle close to environment temperature, avoids being formed half softener material of long range in feed pipe, results in blockage to 3D printing head.Nozzle is located at the bottom of radiator and is connected with one end of feed pipe, further eliminates seam, and half softener material is avoided to form tubercle in seam crossing.The inner wall of feed pipe forms feeding passage, and nozzle offers charging hole, and charging hole is connected with feeding passage, and printed material is transported to by feeding passage in charging hole.
Description
Technical field
The utility model is related to 3D printer technical field, more particularly to FDM types 3D printer and 3D printing head.
Background technology
FDM (Fused Deposition Modeling fusion sediments model) 3D printer is that current cost of implementation compares
Cheap 3D printer is most likely at consumption market and realizes large-scale application.But at present, the 3D printer of this technology is also deposited
The problem of 3D printing head easily blocks.However, the blocking of 3D printing head is needed to disassemble 3D printing head completely and could be repaired, Er Qiebi
It must could be operated in the state of the heating of 3D printing head, the 3D printing head temperature of heating has high danger more than 200 degrees Celsius
It is dangerous.This is also one of significant obstacle for influencing 3D printing popularization and application.
Utility model content
Based on this, it is necessary to which the problem of easily being blocked for 3D printing head provides one kind and 3D printing head is effectively avoided to block
FDM types 3D printer and 3D printing head.
A kind of 3D printing head, including：
Radiator, side wall offer open cavity, and the radiator has a top and a bottom, the top with it is described
Side wall is adjacent and opposite with the bottom, and first is offered on the top and connects hole, described first connects hole and the open cavity phase
Connection；
Feed pipe, one end sequentially pass through described first and connect hole and the open cavity and be arranged in the bottom, the feeding
The inner wall of pipe forms feeding passage, and the feeding passage is used to convey printed material；And
Nozzle is connected positioned at the lower section of the bottom and with one end of the feed pipe, and the nozzle offers charging
Hole, the charging hole are connected with the feeding passage.
Above-mentioned 3D printing head has at least the following advantages：
After 3D printing head assembles, one end of feed pipe sequentially passes through the first of radiator and connects hole and open cavity, nozzle position
It is connected in the lower section of the bottom of radiator and with one end of feed pipe.Since the side wall of radiator offers open cavity, feeding
Pipe is in direct contact in the part of open cavity with air, reduces the contact area of feed pipe and radiator, increase feed pipe with
The contact area of air, it is possible to reduce radiator transmits heat to feed pipe, to ensure the temperature of feed pipe close to environment temperature,
So as to avoid that half softener material of long range is formed in feed pipe.Meanwhile the heat that nozzle transmits can be scattered to by radiator
It in air, and avoids passing to feed pipe, the printed material in feed pipe is further avoided to soften.So as to avoid softening due to half
In the case where squeezing thrust, shape can change but not have mobility the material of state, formed and blocked or in 3D in feed pipe
Seam crossing formation in print head expands tubercle and forms blocking.
Heat-insulating and sealing part is further included in one of the embodiments, and the heat-insulating and sealing part is set to the bottom and institute
Between stating nozzle, and the heat-insulating and sealing part is sheathed on the outer wall of one end of the feed pipe, the end of one end of the feed pipe
The end face in face and one end of the nozzle directly fits；Or
Heat-insulating and sealing part is further included, the end face of one end of the nozzle and the end face of one end of the feed pipe are directly pasted
It closes, the heat-insulating and sealing part is sheathed on one end of the nozzle and one end of the feed pipe；Or
Further include heat-insulating and sealing part, the heat-insulating and sealing part be located at the end of the feed pipe and the nozzle end it
Between, the opposite both ends of the surface of the heat-insulating and sealing part respectively with the end face of one end of the feed pipe and one end of the nozzle
End face directly fits.
The outer diameter of the heat-insulating and sealing part is more than the outer diameter of the nozzle in one of the embodiments,.
The open cavity runs through the opposite two side of the radiator in one of the embodiments,.
Further include heat block in one of the embodiments, the heat block be sheathed on the outer wall of the nozzle and with institute
State radiator interval setting.
Fixing piece is further included in one of the embodiments, and the first mounting hole, the fixation are offered on the heat block
The heat block is fixedly connected by part across first mounting hole with the radiator.
Instlated tubular is further included in one of the embodiments, and the instlated tubular is set in first mounting hole and covers
Outside the fixing piece, the instlated tubular is located between the outer wall of the fixing piece and the inner wall of first mounting hole.
Connector and holding firmware are further included in one of the embodiments, and one end of the connector is inserted in described first and connects
In hole, feeding is offered on the connector and connects hole, the feed pipe is arranged in the feeding and connects in hole, and the holding firmware is located at institute
State the outer wall that feeding connects in hole and is sheathed on the feed pipe.
A kind of FDM types 3D printer, including：
Rack；
3D printing head as described in any of the above item, is set in the rack；And
Control circuit, for the 3D printing head to be controlled to move.
Above-mentioned FDM types 3D printer at least has the advantages that：
3D printing head is set in rack, and control circuit can control 3D printing head to move.It, can using above-mentioned 3D printing head
Effectively to avoid 3D printing head blockage problem.Meanwhile one end of feed pipe passes through open cavity so that feed pipe is located at open cavity
Part is in direct contact with air, it is ensured that the temperature of feed pipe avoids forming the half of long range in feed pipe close to environment temperature
Softener material can improve the print characteristic of FDM type 3D printers in this way, improve printing effect.
Radiator fan is further included in one of the embodiments, and the radiator fan, which is located on the radiator, to be offered
The side of open cavity.
Description of the drawings
Fig. 1 is the structure diagram of the 3D printing head in an embodiment.
Specific embodiment
Above-mentioned purpose, feature and advantage to enable the utility model are more obvious understandable, below in conjunction with the accompanying drawings to this
The specific embodiment of utility model is described in detail.Elaborate many details in order to abundant in the following description
Understand the utility model.But the utility model can be much to implement different from other manner described here, this field
Technical staff can do similar improvement in the case of without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific implementation opened.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood meaning of technical staff in domain is identical.It is only in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Each technical characteristic of embodiment described above
It can arbitrarily be combined, to make description succinct, not to all possible combination of each technical characteristic in above-described embodiment
All be described, as long as however, the combination of these technical characteristics be not present contradiction, be all considered to be this specification record model
It encloses.
Referring to Fig. 1, the 3D printing head 10 in an embodiment, for being installed on 3D printing equipment, avoids printing material
Material forms half soft state of long range, and printed material is caused to be formed in 3D printing head 10 and blocks or is expanded in seam crossing formation
Tubercle and form blocking, while overcoming 3D printing 10 blockage problem of head, improve the printing effect of 3D printing equipment.This reality
It applies in mode, by 3D printing equipment to be illustrated for FDM type 3D printer (not shown).Certainly, in other embodiment
In, 3D printing equipment can also be the printer of other models, as long as the installation and printing of 3D printing head 10 can be realized.
FDM types 3D printer includes 3D printing head 10, rack (not shown) and control circuit (not shown).Specifically, 3D
Print head 10 is set in rack, and control circuit control 3D printing head 10 moves.Wherein, 3D printing head 10 include radiator 100,
Feed pipe 200 and nozzle 300.
The side wall of radiator 100 offers open cavity 110, and radiator 100 has a top 160 and a bottom 170, top
160 is adjacent with the side wall of radiator 100, and top 160 is opposite with bottom 170.First is offered on top 160 and connects hole 120, first
Hole 120 is connect with open cavity 110 to be connected.
One end of feed pipe 200 sequentially passes through first and connects hole 120 and open cavity 110 so that sending in open cavity 110
The part of expects pipe 200 is in direct contact with air, is reduced the contact area of feed pipe 200 and transcalent radiator 100, is increased
The contact area of feed pipe 200 and air, it is possible to reduce the heat that radiator 100 is transmitted to feed pipe 200, it is ensured that feed pipe
200 temperature avoids being formed half softener material of long range in feed pipe 200 close to environment temperature.So as to avoid half softening
In the case where squeezing thrust, shape can change but not have mobility the material of state, formed in the feed pipe 200 block or
Seam crossing formation in 3D printing head 10 expands tubercle and forms blocking.
Specifically, open cavity 110 runs through the opposite two side of radiator 100, and open cavity 110 is the chamber of both sides perforation.
The contact area of feed pipe 200 and air is further increased, reduces the contact area of feed pipe 200 and radiator 100.Meanwhile
Open cavity 110 increases the circulation of air, further ensures that the temperature of feed pipe 200 close to environment temperature, is avoided in feeding
Half softener material of long range is formed in pipe 200.Specific in present embodiment, open cavity 110 is rectangular cavity, is conducive to increase
The contact area of feed pipe 200 and air increases the circulation of air, improves the radiating efficiency of feed pipe 200.
In other embodiments, open cavity 110 runs through the side wall and bottom wall of radiator 100, and feed pipe 200 is close to nozzle
300 part is located in open cavity 110.Open cavity 110 increases the contact area of feed pipe 200 and air, it is ensured that feed pipe
200 close to the part of nozzle 300 temperature close to environment temperature, further avoid forming the half of long range in feed pipe 200
Softener material.
Certainly, open cavity 110 can also run through multiple side walls of radiator 100, as long as sending in open cavity 110 can be realized
Expects pipe 200 is in direct contact with air, and realizes the circulation of air.Certainly, open cavity 110 can also be cylindrical cavity, ellipse
Circular cavity etc., as long as can realize that the feed pipe 200 in open cavity 110 is in direct contact with air.
The side wall of radiator 100 is additionally provided with multiple radiating fins 130, and radiating fin 130 is outside relative to the side wall of radiator 100
Extension, further additional cooler 100 distributes the heat that nozzle 300 transmits, and avoids the heat transfer of nozzle 300 to sending
Expects pipe 200 so that the printed material softening in feed pipe 200 causes 3D printing head 10 to block.
Radiator 100 and radiating fin 130 are made of the preferable material of heat dissipation effect.Specific in present embodiment, dissipate
Hot device 100 and radiating fin 130 are made of aluminium alloy so that radiator 100 and radiating fin 130 have excellent heat dissipation effect.Into
One step, radiator 100 and radiating fin 130 are integrally formed, can be by the way that section steel cutting is drawn to form, low processing cost.Certainly,
In other embodiments, radiator 100 and radiating fin 130 can be made of other heat sink materials, if heat dissipation effect compared with
It is good.Radiator 100 and radiating fin 130 can also be made of different heat sink materials, as long as can realize that heat dissipation effect is preferable
.
One end of feed pipe 200 is arranged in the bottom 170 of radiator 100, and the inner wall of feed pipe 200 forms feeding passage
210, feeding passage 210 is used to convey printed material.Printed material is transported to nozzle 300 by feeding passage 210.Specifically,
Second is offered on bottom 170 and connects hole 140, second, which connects hole 140, connects open cavity 110.One end of feed pipe 200 further passs through
Second connects hole 140 connect with nozzle 300.
Nozzle 300 is located at the lower section of the bottom 170 of radiator 100 and is connected with one end of feed pipe 200, nozzle 300
Charging hole 310 is offered, charging hole 310 is connected with feeding passage 210.Specifically, the aperture of charging hole 310 and feeding passage
210 aperture is identical, and one end of feed pipe 200 and one end of nozzle 300 directly fit so that printed material is led to by feeding
Road 210 is more smooth into charging hole 310, and there is no apparent seams, are not easy to result in blockage.The nozzle 300 of traditional print head
It is connected by trunnion with feed pipe 200, compared with traditional print head, this 3D printing head 10 eliminates trunnion, further eliminates
The seam that nozzle 300 is formed with trunnion eliminates the seam that trunnion is formed with feed pipe 200, avoids half softener material from connecing
Tubercle is formed at seam, is resulted in blockage to 3D printing head 10.
Specific in present embodiment, nozzle 300 is made of the excellent material of heat conductivility, it is ensured that nozzle 300 has
The ability of rapid melting printed material improves the print characteristic of 3D printing head 10.Further, nozzle 300 is made of copper, and is ensured
300 rapid melting printed material of nozzle.Certainly, in other embodiments, nozzle 300 can also be made of materials such as silver, gold,
As long as ensure that nozzle 300 melts printed material.
Nozzle 300 includes integrally formed nozzle 320 and jet pipe 330, and nozzle 320 is located at one end of jet pipe 330.Specifically
Ground, the other end of jet pipe 330 are connected to one end of feed pipe 200.The one end of nozzle 320 far from jet pipe 330 offers the first spray
Hole 321, jet pipe 330 offer the second spray orifice 322.Second spray orifice 322 through nozzle 320 one end and with 321 phase of the first spray orifice
Connection, charging hole 310 is collectively formed in the first spray orifice 321 and the second spray orifice 322.The outer radial of one end of nozzle 320 is far from jet pipe
330 direction is gradually reduced so that printed material discharging is more accurate.
3D printing head 10 further includes heat-insulating and sealing part 400, and heat-insulating and sealing part 400 is so that the heat of nozzle 300 is not easy to scattered
Hot device 100 conducts, and the excellent material of heat conductivility may be used in nozzle 300, may insure that nozzle 300 has rapid melting in this way
The ability of printed material improves the print characteristic of 3D printing head 10.Specifically, the outer diameter of heat-insulating and sealing part 400 is more than spray
The outer diameter of mouth 300 can effectively stop that the heat of nozzle 300 is dissipated to feed pipe 200 and radiator 100.Further, every
The outer diameter of heat seal 400 is more than the outer diameter of jet pipe 330.Specific in present embodiment, heat-insulating and sealing part 400 is
Heat-insulating and sealing circle.The thickness of heat-insulating and sealing circle is more than 2mm, can play effective heat insulation.
Specific in present embodiment, heat-insulating and sealing part 400 is set between the bottom 170 of radiator 100 and nozzle 300
And it is sheathed on the outer wall of one end of feed pipe 200.The end face of one end of feed pipe 200 and the end face of one end of nozzle 300 are direct
Fitting so that there is no apparent seams between feed pipe 200 and nozzle 300, and half softener material is avoided to form tubercle in seam crossing.
Heat-insulating and sealing part 400 can effectively prevent 300 heat transfer of nozzle to further avoid and send to radiator 100 and feed pipe 200
Printed material in expects pipe 200 forms half soft state, and printed material is caused to be formed in feed pipe 200 and is blocked or in seam crossing
Formation expands tubercle and forms blocking, overcomes 10 blockage problem of 3D printing head.
Further, the internal diameter size of heat-insulating and sealing part 400 is identical with 200 outer diameter of feed pipe, heat-insulating and sealing part 400
Outer diameter be more than jet pipe 330 outer diameter, further stop nozzle 300 heat dissipate to feed pipe 200 and radiator
100.For example, common 200 outer diameter of feed pipe is 4mm, 330 outer diameter of jet pipe is 6mm, then heat-insulating and sealing part 400 is optional
It is 4mm with internal diameter size, outer diameter is the heat-insulating and sealing circle of 8mm.
In other embodiments, the end face of one end of feed pipe 200 and the end face of one end of nozzle 300 directly fit,
So that there is no apparent seams between feed pipe 200 and nozzle 300, half softener material is avoided to form tubercle in seam crossing.It is heat-insulated
Sealing element 400 is sheathed on one end of nozzle 300 and one end of feed pipe 200.Specifically, one end of heat-insulating and sealing part 400 is arranged
In the outer wall of feed pipe 200, the other end is sheathed on the outer wall of nozzle 300, can effectively prevent 300 heat transfer of nozzle to heat dissipation
Device 100.Simultaneously so that the heat of jet pipe 330 is not easy to conduct to feed pipe 200, avoids printed material shape in feed pipe 200
Into half soft state.
In other embodiment, heat-insulating and sealing part 400 be located at the end of feed pipe 200 and nozzle 300 end it
Between.The opposite both ends of the surface of heat-insulating and sealing part 400 end with the end face of one end of feed pipe 200 and one end of nozzle 300 respectively
Face directly fits so that there is no apparent seams between feed pipe 200 and nozzle 300 and heat-insulating and sealing part 400, avoid half softening
Material forms tubercle in seam crossing.Meanwhile heat-insulating and sealing part 400 further effectively prevent the heat of nozzle 300 to feed pipe 200
It transmits, avoids printed material and half soft state is formed in feed pipe 200.Specifically, it is offered on heat-insulating and sealing part 400 logical
Hole, the size of through-hole are identical with the size of feeding passage 210 with the size of charging hole 310 so that printed material is by feeding passage
210 enter that charging hole 310 is more smooth, and there is no apparent seams, are not easy to result in blockage by heat-insulating and sealing circle.
Heat-insulating and sealing part 400 is made of heat-barrier material.Specific in present embodiment, heat-insulating and sealing part 400 is polytetrafluoro
Ethylene sealing ring can not only effectively trap heat be transmitted, also be had the characteristics that heat safe.Certainly, in other embodiments, every
Heat seal 400 can also be made of materials such as glass fibre, asbestos, as long as can realize that the heat of blocking nozzle 300 is dissipated to sending
Expects pipe 200 and radiator 100.
3D printing head 10 further includes heat block 500, and heat block 500 is sheathed on the outer wall of nozzle 300 and between radiator 100
Every setting.Specifically, heat block 500 is sheathed on the outer wall of jet pipe 330, has been in for heating the printed material in jet pipe 330
Full melting state.Further, 330 outer wall of jet pipe is equipped with the first engaging tooth 331, and 500 inner wall of heat block is equipped with the second engaging tooth
510, the first engaging tooth 331 is matched with the second engaging tooth 510 so that heat block 500 is fixedly connected with jet pipe 330.Increase simultaneously
Add the heating surface area of jet pipe 330, accelerate the thawing of printed material, improve printing effect.
3D printing head 10 further includes fixing piece 520, and the first mounting hole 530 is offered on heat block 500, and fixing piece 520 is worn
The first mounting hole 530 is crossed to be fixedly connected with heat block 500 with radiator 100.Specifically, it is opened up on the bottom 170 of radiator 100
There is the second mounting hole 150, fixing piece 520 passes through the first mounting hole 530 and is arranged in the second mounting hole 150.Radiator 100 is not
Cooling effect is only played, also acts as the fixation supporting role to heat block 500.
Further, fixing piece 520 includes fixed link 521 and chuck 522, and chuck 522 is connected to the one of fixed link 521
End, chuck 522 are located at the one end of heat block 500 far from radiator 100.Specific in present embodiment, fixing piece 520 is stainless
Steel screw, the inner wall of the second mounting hole 150 are tapped with the inner wall of internal thread, the external screw thread of CARBURIZING FURNACE FOR STAINLESS FASTENER and the second mounting hole 150
Internal thread it is in mating connection.Certainly, in other embodiments, fixing piece 520 can also be bolt, screw, pin etc., only
Heat block 500 can be fixedly connected with radiator 100.
Further, fixing piece 520 can be made of heat-barrier material, can effectively obstruct the heat of heat block 500 to
Radiator 100 is spread.For example, fixing piece 520 can be made of materials such as polytetrafluoroethylene (PTFE), glass fibre, asbestos.Fixing piece
520 can also be spread by plating heat-barrier material to obstruct the heat of heat block 500 to radiator 100.
3D printing head 10 further includes instlated tubular 540, and instlated tubular 540 is set in the first mounting hole 530 and is sheathed on described
Outside fixing piece 520.Instlated tubular 540, which is located at 520 outer wall of fixing piece and first, to be fixed between 530 hole inner walls.Specifically, instlated tubular
540 pipe range is more than the depth of the first mounting hole 530, and one end of instlated tubular 540 is from heat block 500 to far from radiator 100
One end is stretched out to form external part.The chuck 522 of fixing piece 520 is arranged in the external part of instlated tubular 540, can be to avoid fixing piece
520 are in direct contact with heat block 500, the heat of heat block 500 is further avoided to be transmitted to radiator 100 by fixing piece 520, lead
Cause the printed material softening in feed pipe 200.
Specific in present embodiment, instlated tubular 540 can be obstructed effectively and be added by being made with heat safe polytetrafluoroethylene (PTFE)
The heat of heat block 500 is transmitted to fixing piece 520.Certainly, in other embodiments, instlated tubular 540 can also be by glass fibre, stone
The materials such as cotton are made, as long as can realize that the heat of blocking heat block 500 is dissipated to fixing piece 520.
3D printing head 10 further includes connector 600 and holding firmware 620, and one end of connector 600 is inserted in first and connects in hole 120,
Feeding is offered on connector 600 and connects hole 610, feed pipe 200 is arranged in feeding and connects in hole 610.Connector 600 plays feed pipe 200
To guiding role.Holding firmware 620 is located at feeding and connects in hole 610 and be sheathed on 200 outer wall of feed pipe, and holding firmware 620 is used to send
Expects pipe 200, which is fixed, to be connect in feeding in hole 610, is prevented when extruder squeezes into printed material in feed pipe 200, feed pipe 200
It is loosened from connector 600 under the reaction force of printed material.Specific in present embodiment, holding firmware 620 is clamp spring.When
So, in other embodiments, holding firmware 620 can also be other structures, as long as can be so that feed pipe 200 is fixed and connect in feeding
In hole 610.
FDM type 3D printers further include radiator fan (not shown), and radiator fan, which is located on radiator 100, offers opening
The side of chamber 110.During 3D printing 10 operation of head, start radiator fan, the air-flow that radiator fan generates can be driven positioned at opening
The circulation of the air around 200 part of feed pipe in chamber 120 and the air around radiator 100, accelerate feed pipe 200 and
Scattering and disappearing for the heat of radiator 100, further avoids the softening of the printed material in feed pipe 200, causes 3D printing head 10 stifled
Plug.
Above-mentioned FDM types 3D printer and 3D printing head 10 at least have the advantages that：
FDM types 3D printer uses above-mentioned 3D printing head 10, it is possible to prevente effectively from 10 blockage problem of 3D printing head.Feed pipe
200 one end passes through open cavity 110 so that the part that feed pipe 200 is located in open cavity 110 is in direct contact with air, it is ensured that
The temperature of feed pipe 200 avoids the printed material in feed pipe 200 from being heated and formed the medium-soft of long range close to environment temperature
Change material, and then 3D printing head is avoided to block.Heat-insulating and sealing part 400 is so that the heat of nozzle 300 is not easy to radiator 100 and send
Expects pipe 200 is conducted, and the printed material in feed pipe 200 is further avoided to soften.Meanwhile heat conductivility may be used in nozzle 300
Excellent material may insure the ability that nozzle 300 has rapid melting material in this way, improve the printing of FDM type 3D printers
Characteristic improves printing effect.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that the common skill for this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of 3D printing head, which is characterized in that including：
Radiator, side wall offer open cavity, and the radiator has a top and a bottom, the top and the side wall
It is adjacent and opposite with the bottom, first is offered on the top and connects hole, described first connects hole is connected with the open cavity；
Feed pipe, one end sequentially pass through described first and connect hole and the open cavity and be arranged in the bottom, the feed pipe
Inner wall forms feeding passage, and the feeding passage is used to convey printed material；And
Nozzle is connected positioned at the lower section of the bottom and with one end of the feed pipe, and the nozzle offers charging hole, institute
Charging hole is stated with the feeding passage to be connected.
2. 3D printing head according to claim 1, which is characterized in that further include heat-insulating and sealing part, the heat-insulating and sealing part
It is set between the bottom and the nozzle, and the heat-insulating and sealing part is sheathed on the outer wall of one end of the feed pipe, institute
The end face for stating the end face and one end of the nozzle of one end of feed pipe directly fits；Or
Heat-insulating and sealing part is further included, the end face of one end of the nozzle and the end face of one end of the feed pipe directly fit, institute
It states heat-insulating and sealing part and is sheathed on one end of the nozzle and one end of the feed pipe；Or
Further include heat-insulating and sealing part, the heat-insulating and sealing part between the end of the feed pipe and the end of the nozzle,
The opposite both ends of the surface of the heat-insulating and sealing part end with the end face of one end of the feed pipe and one end of the nozzle respectively
Face directly fits.
3. 3D printing head according to claim 2, which is characterized in that the outer diameter of the heat-insulating and sealing part is more than described
The outer diameter of nozzle.
4. 3D printing head according to claim 1, which is characterized in that the open cavity is opposite through the radiator
Two side.
5. according to claim 1-4 any one of them 3D printing heads, which is characterized in that further include heat block, the heat block
It is sheathed on the outer wall of the nozzle and is arranged at intervals with the radiator.
6. 3D printing head according to claim 5, which is characterized in that further include fixing piece, offered on the heat block
The heat block is fixedly connected by the first mounting hole, the fixing piece across first mounting hole with the radiator.
7. the 3D printing head stated according to claim 6, which is characterized in that further include instlated tubular, the instlated tubular is set to described
It in first mounting hole and is sheathed on outside the fixing piece, the instlated tubular, which is located at the outer wall of the fixing piece and described first, to be fixed
Between the inner wall in hole.
8. 3D printing head according to claim 1, which is characterized in that further include connector and holding firmware, the one of the connector
End is inserted in described first and connects in hole, and feeding is offered on the connector and connects hole, the feed pipe is arranged in the feeding and connects hole
Interior, the holding firmware is located at the feeding and connects in hole and be sheathed on the outer wall of the feed pipe.
9. a kind of FDM types 3D printer, which is characterized in that including：
Rack；
Such as claim 1-8 any one of them 3D printing heads, it is set in the rack；And
Control circuit, for the 3D printing head to be controlled to move.
10. FDM types 3D printer according to claim 9, which is characterized in that further include radiator fan, the radiation air
Fan is located at the side that open cavity is offered on the radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721603984.8U CN207496013U (en) | 2017-11-24 | 2017-11-24 | FDM types 3D printer and 3D printing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721603984.8U CN207496013U (en) | 2017-11-24 | 2017-11-24 | FDM types 3D printer and 3D printing head |
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| Publication Number | Publication Date |
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| CN207496013U true CN207496013U (en) | 2018-06-15 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721603984.8U Withdrawn - After Issue CN207496013U (en) | 2017-11-24 | 2017-11-24 | FDM types 3D printer and 3D printing head |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107738440A (en) * | 2017-11-24 | 2018-02-27 | 广州紫苑智能科技有限公司 | FDM types 3D printer and 3D printing head |
| CN110039765A (en) * | 2019-04-23 | 2019-07-23 | 锐力斯传动系统（苏州）有限公司 | A kind of 3D printer modern print heads |
| NL1043469B1 (en) * | 2019-11-19 | 2021-08-11 | Veda Group B V | Method, 3d manufacturing system and print head therfor |
| NL1043468B1 (en) * | 2019-11-19 | 2021-08-17 | Veda Group B.V. | Method, 3d manufacturing system and print head therfor |
| NL1043470B1 (en) * | 2019-11-19 | 2021-08-18 | Veda Group B V | Method, 3d manufacturing system and print head therfor |
-
2017
- 2017-11-24 CN CN201721603984.8U patent/CN207496013U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107738440A (en) * | 2017-11-24 | 2018-02-27 | 广州紫苑智能科技有限公司 | FDM types 3D printer and 3D printing head |
| CN110039765A (en) * | 2019-04-23 | 2019-07-23 | 锐力斯传动系统（苏州）有限公司 | A kind of 3D printer modern print heads |
| NL1043469B1 (en) * | 2019-11-19 | 2021-08-11 | Veda Group B V | Method, 3d manufacturing system and print head therfor |
| NL1043468B1 (en) * | 2019-11-19 | 2021-08-17 | Veda Group B.V. | Method, 3d manufacturing system and print head therfor |
| NL1043470B1 (en) * | 2019-11-19 | 2021-08-18 | Veda Group B V | Method, 3d manufacturing system and print head therfor |
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