CN109822897A - Can cool down 3D printer spray head - Google Patents
Can cool down 3D printer spray head Download PDFInfo
- Publication number
- CN109822897A CN109822897A CN201910167208.5A CN201910167208A CN109822897A CN 109822897 A CN109822897 A CN 109822897A CN 201910167208 A CN201910167208 A CN 201910167208A CN 109822897 A CN109822897 A CN 109822897A
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- China
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- cabinet
- spray head
- conduit
- helix tube
- printer spray
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- Cooling Or The Like Of Electrical Apparatus (AREA)
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Abstract
It can cool down 3D printer spray head the invention discloses one kind, fixing sleeve is equipped with fixed plate on feed pipe, installs having heaters on discharge nozzle, and fixing sleeve is equipped with thermal insulation board on discharge nozzle；Slide plate is provided in first cabinet；It is located at below slide plate in first cabinet and is formed with liquid storage chamber；Abacus is arranged in the middle part of second cabinet, and bottom wall is provided with exhaust vent, and blower mechanism protrudes into the second cabinet；It is arranged with the first helix tube in head body, the second helix tube is provided in the second cabinet, the upper end of the first helix tube is connected to the lower end of the second helix tube；The upper end of second helix tube is connected to the first conduit, and the first conduit protrudes into liquid storage chamber；The lower end of first helix tube is communicated with the second conduit, and the second conduit protrudes into liquid storage chamber, is provided with check valve on the first conduit and the second conduit.The 3D printer spray head that can cool down has the function of self-cooling, protects the easily worn part in spray head not to be burned out, can be improved the Forming Quality of 3D printer.
Description
Technical field
The present invention relates to 3D printings, more particularly to the 3D printer spray head that can cool down.
Background technique
3D printer is more and more common in our life, is widely used in every field, and present 3D printing
Machine working principle is by stock roll on charging tray, and raw material directly from drawing and being directed into spray head in charging tray, is then heated
Equal subsequent operations.And the smooth degree of extruded stock and the temperature of discharging directly affect the precision of 3D printing.
It will lead to other component dissolution but if nozzle temperature is excessively high and burn, urgent need wants one kind that can cool down 3D printer spray head
For improving the Forming Quality of 3D printer.
Summary of the invention
It can cool down 3D printer spray head the object of the present invention is to provide one kind, the 3D printer spray head that can cool down is with self
The effect of cooling protects the easily worn part in spray head not to be burned out, and then can be improved the Forming Quality of 3D printer.
To achieve the goals above, can cool down 3D printer spray head the present invention provides one kind, the 3D printer that can cool down
Spray head includes head body, and the both ends of the head body are respectively arranged with feed pipe and discharge nozzle；It is fixed on the feed pipe
It is arranged with fixed plate, having heaters is installed on the discharge nozzle, is located at the heater and the spray head sheet on the discharge nozzle
Fixing sleeve is equipped with thermal insulation board between body；In the fixed plate positioned at the head body two sides be respectively arranged with the first cabinet and
Second cabinet is provided with the slide plate that can be reciprocatingly slided above and below in first cabinet；It is located at the cunning in first cabinet
It is formed with liquid storage chamber below plate, inlet tube is provided on the side wall of the liquid storage chamber, is provided with valve on the inlet tube；Institute
The middle part setting abacus of the second cabinet is stated, bottom wall is provided with multiple exhaust vents, roof of the blower mechanism from second cabinet
It stretches in second cabinet；It is arranged with the first helix tube in the head body, is located at the hole in second cabinet
The second helix tube is provided with below plate, the upper end of first helix tube is connected to described second after second cabinet
The lower end of helix tube；The upper end of second helix tube is communicated with the first conduit, and first conduit runs through second cabinet
Side wall after stretch in the liquid storage chamber；The lower end of first helix tube is communicated with the second conduit, and second conduit is stretched
Enter to the liquid storage chamber, is provided on first conduit and the second conduit and flows to identical check valve.
Preferably, the bottom of first cabinet and the second cabinet has been respectively and fixedly connected with a cover, two covers that
This towards side be set as open, first helix tube is located between two covers.
Preferably, first cabinet side is located in the fixed plate and is provided with the first cushion socket, first damping
Motor is provided on seat, the motor is horizontally disposed, and is arranged with cam in the shaft of the motor；It is connected on the slide plate
First slide bar, the upper end of first slide bar extend out to what the roof of first cabinet and being connected with was in contact with the cam
Hemisphere block is located on first slide bar between the roof and the slide plate of first cabinet and is arranged with the first spring.
Preferably, first sealing ring coaxial with first slide bar is provided on the roof of first cabinet.
Preferably, second cabinet side is located in the fixed plate and is provided with the second cushion socket, second damping
It is provided with blower on seat, has been sequentially connected with the first air hose, bellows and the second air hose on the blowing end of the blower, described the
Two air hoses are partially protruded into second cabinet.
Preferably, the structure of first cushion socket and the second cushion socket is identical, includes: baffle-box；Wherein, described slow
The roof center for rushing case is equipped with through-hole, is equipped with vertical bar in the through-hole, the bottom end of the vertical bar is embedded into rubber block, the rubber
The bottom end of block is fixedly connected with the inner bottom surface of baffle-box；On the roof of the baffle-box be located at the through-hole in radiation be provided with it is more
A resilient snubber, multiple resilient snubbers fit in the vertical bar towards one end of the vertical bar.
Preferably, the upper surface of the baffle-box is provided with multiple second springs, and the top of the second spring is fixed in
The bottom side of the blower or motor.
Preferably, the rubber block is up-narrow and down-wide trapezoidal shape.
Preferably, the resilient snubber includes sliding block, the second slide bar, fixture block and third spring, and the fixture block, second are slided
Bar, sliding block and third spring are sequentially affixed；The top of the baffle-box is located on the inside of the through-hole using the through-hole as center spoke
It penetrates and is provided with multiple sliding cavities, the third spring is fixed in the sliding cavity far from one end of the sliding block, the sliding block
Sliding in the sliding cavity can be located at, one end of second slide bar extend out to outside the sliding cavity and is fixed in the folder
Block, the fixture block are set as the cambered surface mutually agreed with the vertical bar backwards to one end of second slide bar.
Preferably, the second sealing ring is arranged on the slide plate.
According to the above technical scheme, middle slide plate of the present invention slides up and down in the first cabinet, and then will be cold in liquid storage chamber
But liquid sequentially passes through the second conduit, the first helix tube, the second helix tube and the formation of the first conduit and circulates, to head body shape
At the effect of heat dissipation, burning for the fusible component in head body is avoided, during coolant liquid circulation, blower mechanism court
Cooling is blowed to the coolant liquid at the second helix tube position to the blowing of the second helix tube, since heater is mounted on discharge nozzle
To discharge nozzle local heating, certain heat-blocking action is carried out to heater by the effect of thermal insulation board, so that the drop of head body
Temp effect is more preferable, and coolant liquid therein is in order to which save the cost is usually using water.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 be can cool down in the present invention 3D printer spray head a kind of preferred embodiment overall structure diagram；
Fig. 2 is a kind of schematic cross-section of preferred embodiment of the first cushion socket or the second cushion socket in the present invention；
Fig. 3 is a kind of top view of preferred embodiment of the first cushion socket and the second cushion socket in the present invention.
Description of symbols
1 fixed plate, 2 head body
3 thermal insulation board, 4 first helix tube
5 second conduit, 6 cover
7 check valve, 8 feed pipe
9 discharge nozzle, 10 inlet tube
11 first cabinet, 12 slide plate
13 first sealing ring, 14 first slide bar
15 cam, 16 motor
17 baffle-box, 18 second spring
19 blower, 20 first conduit
21 first air hose, 22 bellows
23 second air hose, 24 second cabinet
25 orifice plate, 26 second helix tube
27 heater, 28 exhaust vent
29 through-hole, 30 vertical bar
31 fixture block, 32 second slide bar
33 third spring, 34 sliding cavity
35 sliding block, 36 rubber block
37 hemisphere block, 38 first spring
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, it is included in the term " up and down, inside and outside front and back " etc.
The noun of locality only represents orientation of the term under normal service condition, or be those skilled in the art understand that be commonly called as, without answering
It is considered as the limitation to the term.
Referring to the 3D printer spray head that can cool down shown in Fig. 1-3, which includes head body 2,
The both ends of the head body 2 are respectively arranged with feed pipe 8 and discharge nozzle 9；Fixing sleeve is equipped with fixed plate 1 on the feed pipe 8,
Having heaters 27 is installed, on the discharge nozzle 9 between the heater 27 and the head body 2 on the discharge nozzle 9
Fixing sleeve is equipped with thermal insulation board 3；Two sides in the fixed plate 1 positioned at the head body 2 are respectively arranged with 11 He of the first cabinet
Second cabinet 24 is provided with the slide plate 12 that can be reciprocatingly slided above and below in first cabinet 11；Position in first cabinet 11
It is formed with liquid storage chamber in the lower section of the slide plate 12, inlet tube 10, the inlet tube 10 are provided on the side wall of the liquid storage chamber
On be provided with valve；Abacus 25 is arranged in the middle part of second cabinet 24, and bottom wall is provided with multiple exhaust vents 28, blower mechanism
It is stretched in second cabinet 24 from the roof of second cabinet 24；The first helix tube is arranged in the head body 2
4, the lower section of the orifice plate 25 is provided with the second helix tube 26 in second cabinet 24, first helix tube 4 it is upper
End is connected to the lower end of second helix tube 26 after second cabinet 24；The upper end of second helix tube 26 is connected to
There is the first conduit 20, first conduit 20 stretches in the liquid storage chamber after the side wall of second cabinet 24；It is described
The lower end of first helix tube 4 is communicated with the second conduit 5, and second conduit 5 stretches in the liquid storage chamber, first conduit
20 and second are provided on conduit 5 and flow to identical check valve 7.
Through the implementation of the above technical solution, slide plate 12 slides up and down in the first cabinet 11, and then will be in liquid storage chamber
Coolant liquid sequentially passes through the second conduit 5, the first helix tube 4, the second helix tube 26 and the formation of the first conduit 20 and circulates, to spray
Head ontology 2 forms the effect of heat dissipation, avoids burning for the fusible component in head body 2, during coolant liquid circulation,
Cooling is blowed to the coolant liquid at 26 position of the second helix tube towards the blowing of the second helix tube 26 in blower mechanism, due to heater
27 are mounted on discharge nozzle 9 to 9 local heating of discharge nozzle, are carried out by the effect of thermal insulation board 3 to heater 27 certain heat-insulated
Effect, so that the cooling effect of head body 2 is more preferable, coolant liquid therein is in order to which save the cost is usually using water.Check valve 7
Flow to pipeline as shown in Figure 1 to flow clockwise, coolant liquid elder generation cooling spray ontology 2, it is thermally conductive after coolant liquid it is logical
Blower mechanism blowing cooling is crossed, and then is conducive to carry out the process of circulating cooling head body 2 next time.
In this embodiment, in order to further increase the cooling effect to head body 2, it is preferable that first case
The bottom of body 11 and the second cabinet 24 has been respectively and fixedly connected with a cover 6, and the side of two covers 6 to each other is set as spacious
Mouthful, first helix tube 4 is located between two covers 6.The wind that blower mechanism is blown out passes through the guiding role of cover 6
Ontology of meeting and discussing is blowed to, to further cooling of meeting and discussing, it is contemplated that do not influence heater 27 to the heating effect of discharge nozzle 9, cover 6
Open bottom edge should be higher than that thermal insulation board 3, avoid the normal heating for influencing heater 27.
In this embodiment, on the one hand in order to realize pumping for slide plate 12, on the other hand in order to reduce work
It vibrates, it is preferable that be located at 11 side of the first cabinet in the fixed plate 1 and be provided with the first cushion socket, described first subtracts
Motor 16 is provided on shake seat, the motor 16 is horizontally disposed, and cam 15 is arranged in the shaft of the motor 16；The cunning
The first slide bar 14 is connected on plate 12, the upper end of first slide bar 14 extend out to the roof of first cabinet 11 and is connected with
The hemisphere block 37 being in contact with the cam 15, be located on first slide bar 14 roof of first cabinet 11 with it is described
The first spring 38 is arranged between slide plate 12.It rotates band moving cam 15 by motor 16 to rotate, hemispherical block and 15 institute of cam
The surface of contact is hemispherical, convenient for improving the contact ride comfort of hemispherical block and 15 face of cam.Pass through the first cushion socket
Cushioning effect reduces the vibration of motor 16 at work, and then reduces noise.
In this embodiment, in order to further increase the sealing performance of the first cabinet 11, prevent coolant liquid from overflowing, preferably
Ground is provided with first sealing ring 13 coaxial with first slide bar 14 on the roof of first cabinet 11.
In this embodiment, in order to further increase the anti-seismic performance of blower mechanism, it is preferable that in the fixed plate 1
Second cabinet, 24 side is provided with the second cushion socket, blower 19, the blower are provided on second cushion socket
The first air hose 21, bellows 22 and the second air hose 23 are sequentially connected on 19 blowing end, 23 part of the second air hose is stretched
Enter to second cabinet 24.Blower mechanism is made of blower 19, the first air hose 21, bellows 22 and the second air hose 23.
In this embodiment, in order to further provide for the structure of cushion socket a kind of, it is preferable that first cushion socket and
The structure of second cushion socket is identical, includes: baffle-box 17；Wherein, the roof center of the baffle-box 17 is equipped with through-hole 29, institute
It states and is equipped with vertical bar 30 in through-hole 29, the bottom end of the vertical bar 30 is embedded into rubber block 36, the bottom end of the rubber block 36 and buffering
The inner bottom surface of case 17 is fixedly connected；The interior radiation of the through-hole 29 multiple elasticity are provided on the roof of the baffle-box 17 to delay
Stamping, multiple resilient snubbers fit in the vertical bar 30 towards one end of the vertical bar 30.Pass through multiple elastic buffers
Part can reduce the vibration of motor 16 or blower 19 in the horizontal direction, and rubber block 36 should select the rubber that the material is soft to be made,
Its twisting effect, which not only can be increased, can also increase its anti-vibration effect, and flexibility is more preferable.
In this embodiment, excellent in order to further increase the anti-seismic performance of motor 16 and blower 19 in the vertical direction
Selection of land, the upper surface of the baffle-box 17 are provided with multiple second springs 18, and the top of the second spring 18 is fixed in described
The bottom side of blower 19 or motor 16.Wherein second spring 18 should select tension spring effect more preferable.
In this embodiment, the twisting and anti-vibration effect of rubber block 36 in order to further increase, it is preferable that described
Rubber block 36 is up-narrow and down-wide trapezoidal shape.
In this embodiment, in order to further realize the elastic buffer effect of resilient snubber, it is preferable that the elasticity
Bolster includes sliding block 35, the second slide bar 32, fixture block 31 and third spring 33, the fixture block 31, the second slide bar 32,35 and of sliding block
Third spring 33 is sequentially affixed；The top of the baffle-box 17 is located at 29 inside of through-hole and is radiated centered on the through-hole 29
Multiple sliding cavities 34 are provided with, the third spring 33 is fixed in the sliding cavity 34 far from one end of the sliding block 35, institute
Sliding in the sliding cavity 34 can be located at by stating sliding block 35, and one end of second slide bar 32 is extend out to outside the sliding cavity 34 simultaneously
It is fixed in the fixture block 31, what the fixture block 31 was set as agreeing with 30 phase of vertical bar backwards to one end of second slide bar 32
Cambered surface.Fixture block 31 fits in the surface of the second slide bar 32, and third after swinging on horizontal plane is located at when the second slide bar 32 vibrates
Spring 33 can be carried out effectively damping.
In this embodiment, in order to further increase the sealing performance of liquid storage chamber, it is preferable that be arranged on the slide plate 12
There is the second sealing ring.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
- The 3D printer spray head 1. one kind can cool down, which is characterized in that the 3D printer spray head that cools down includes head body (2), the both ends of the head body (2) are respectively arranged with feed pipe (8) and discharge nozzle (9)；Fixing sleeve is equipped with fixed plate (1) on the feed pipe (8), installs having heaters (27) on the discharge nozzle (9), it is described go out Fixing sleeve is equipped with thermal insulation board (3) between the heater (27) and the head body (2) in expects pipe (9)；Two sides on the fixed plate (1) positioned at the head body (2) are respectively arranged with the first cabinet (11) and the second cabinet (24), the slide plate (12) that can be reciprocatingly slided above and below is provided in first cabinet (11)；It is located at below the slide plate (12) in first cabinet (11) and is formed with liquid storage chamber, is set on the side wall of the liquid storage chamber It is equipped with inlet tube (10), is provided with valve on the inlet tube (10)；Abacus (25) are arranged in the middle part of second cabinet (24), and bottom wall is provided with multiple exhaust vents (28), and blower mechanism is certainly The roof of second cabinet (24) stretches in second cabinet (24)；It is arranged with the first helix tube (4) on the head body (2), positioned at the orifice plate (25) in second cabinet (24) Lower section is provided with the second helix tube (26), and the upper end of first helix tube (4) is connected to after second cabinet (24) The lower end of second helix tube (26)；The upper end of second helix tube (26) is communicated with the first conduit (20), and first conduit (20) runs through second case It is stretched in the liquid storage chamber after the side wall of body (24)；The lower end of first helix tube (4) is communicated with the second conduit (5), and second conduit (5) stretches to the liquid storage chamber It is interior, it is provided on first conduit (20) and the second conduit (5) and flows to identical check valve (7).
- 2. the 3D printer spray head according to claim 1 that cools down, which is characterized in that first cabinet (11) and second The bottom of cabinet (24) has been respectively and fixedly connected with a cover (6), and the side of two covers (6) to each other is set as open, First helix tube (4) is located between two covers (6).
- 3. the 3D printer spray head according to claim 1 that cools down, which is characterized in that be located at institute on the fixed plate (1) It states the first cabinet (11) side and is provided with the first cushion socket, motor (16), the motor are provided on first cushion socket (16) it is horizontally disposed with, and is arranged with cam (15) in the shaft of the motor (16)；It is connected with the first slide bar (14) on the slide plate (12), the upper end of first slide bar (14) extend out to first cabinet (11) roof is simultaneously connected with the hemisphere block (37) being in contact with the cam (15), and institute is located on first slide bar (14) It states and is arranged with the first spring (38) between the roof of the first cabinet (11) and the slide plate (12).
- 4. the 3D printer spray head according to claim 3 that cools down, which is characterized in that the roof of first cabinet (11) On be provided with first sealing ring (13) coaxial with first slide bar (14).
- 5. the 3D printer spray head according to claim 3 that cools down, which is characterized in that be located at institute on the fixed plate (1) It states the second cabinet (24) side and is provided with the second cushion socket, blower (19), the blower are provided on second cushion socket (19) the first air hose (21), bellows (22) and the second air hose (23), second air hose have been sequentially connected on blowing end (23) it partially protrudes into second cabinet (24).
- 6. the 3D printer spray head according to claim 5 that cools down, which is characterized in that first cushion socket and second subtracts The structure for shaking seat is identical, includes: baffle-box (17)；Wherein,The roof center of the baffle-box (17) is equipped with through-hole (29), is equipped with vertical bar (30) in the through-hole (29), the vertical bar (30) bottom end is embedded into rubber block (36), and the bottom end of the rubber block (36) is fixedly connected with the inner bottom surface of baffle-box (17)；It is located at radiation in the through-hole (29) on the roof of the baffle-box (17) and is provided with multiple resilient snubbers, it is multiple described Resilient snubber fits in the vertical bar (30) towards one end of the vertical bar (30).
- 7. the 3D printer spray head according to claim 6 that cools down, which is characterized in that the upper surface of the baffle-box (17) It is provided with multiple second springs (18), the top of the second spring (18) is fixed in the bottom of the blower (19) or motor (16) Side.
- 8. the 3D printer spray head according to claim 6 that cools down, which is characterized in that the rubber block (36) be it is upper it is narrow under Wide trapezoidal shape.
- 9. cool down 3D printer spray head according to claim 6,7 or 8, which is characterized in that the resilient snubber packet Include sliding block (35), the second slide bar (32), fixture block (31) and third spring (33), the fixture block (31), the second slide bar (32), sliding block (35) and third spring (33) is sequentially affixed；The top of the baffle-box (17) be located on the inside of the through-hole (29) radiation centered on the through-hole (29) be provided with it is more A sliding cavity (34), the third spring (33) are fixed in the sliding cavity (34) far from the one end of the sliding block (35), institute Sliding in the sliding cavity (34) can be located at by stating sliding block (35), and one end of second slide bar (32) extend out to the sliding cavity (34) outside and be fixed in the fixture block (31), the fixture block (31) backwards to one end of second slide bar (32) be set as with it is described The cambered surface that vertical bar (30) mutually agrees with.
- 10. the 3D printer spray head according to claim 1 that cools down, which is characterized in that be arranged on the slide plate (12) Second sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167208.5A CN109822897B (en) | 2019-03-06 | 2019-03-06 | 3D print head can cool down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167208.5A CN109822897B (en) | 2019-03-06 | 2019-03-06 | 3D print head can cool down |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109822897A true CN109822897A (en) | 2019-05-31 |
| CN109822897B CN109822897B (en) | 2021-04-16 |
Family
ID=66865449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910167208.5A Active CN109822897B (en) | 2019-03-06 | 2019-03-06 | 3D print head can cool down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109822897B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103579A (en) * | 2021-04-15 | 2021-07-13 | 烟台华皓电子科技有限公司 | Be used for 3D print head heat dissipation mechanism |
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| CN207465886U (en) * | 2017-10-18 | 2018-06-08 | 黄惠琼 | A kind of 3D printer nozzle radiator |
| CN108491046A (en) * | 2018-05-22 | 2018-09-04 | 郑州天点科技有限公司 | A kind of heat radiation type computer cabinet |
| CN208164301U (en) * | 2018-03-21 | 2018-11-30 | 泉州市嘉鑫信息服务有限公司 | Cooling device of printer nozzle |
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- 2019-03-06 CN CN201910167208.5A patent/CN109822897B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106671401A (en) * | 2016-11-25 | 2017-05-17 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | 3D printer nozzle heat sink |
| CN106849475A (en) * | 2017-03-10 | 2017-06-13 | 陈洁 | A kind of electric machine stand with damping, buffering structure |
| CN207465886U (en) * | 2017-10-18 | 2018-06-08 | 黄惠琼 | A kind of 3D printer nozzle radiator |
| CN208164301U (en) * | 2018-03-21 | 2018-11-30 | 泉州市嘉鑫信息服务有限公司 | Cooling device of printer nozzle |
| CN108491046A (en) * | 2018-05-22 | 2018-09-04 | 郑州天点科技有限公司 | A kind of heat radiation type computer cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103579A (en) * | 2021-04-15 | 2021-07-13 | 烟台华皓电子科技有限公司 | Be used for 3D print head heat dissipation mechanism |
| CN113103579B (en) * | 2021-04-15 | 2022-12-16 | 容大合众(厦门)科技集团股份公司 | Be used for 3D print head heat dissipation mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109822897B (en) | 2021-04-16 |
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