CN207359593U - A kind of screw type cooling device of 3D printing consumptive material production extruder - Google Patents
A kind of screw type cooling device of 3D printing consumptive material production extruder Download PDFInfo
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- CN207359593U CN207359593U CN201721191024.5U CN201721191024U CN207359593U CN 207359593 U CN207359593 U CN 207359593U CN 201721191024 U CN201721191024 U CN 201721191024U CN 207359593 U CN207359593 U CN 207359593U
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- screw rod
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Abstract
The utility model discloses a kind of screw type cooling device of 3D printing consumptive material production extruder,Including screw rod,There is hollow hole in the screw rod shaft core position,Heat insulation layer and two groups of heat-conducting layers are uniformly provided with the hollow hole inner wall,The heat-conducting layer is in hollow hole both ends,The heat insulation layer is among hollow hole,Heat-conducting layer and the heat insulation layer close proximity,Heat pipe is installed in the hollow hole,The heat pipe right end is connected with manipulation device,The manipulation device includes control lever shaft,Controls and fixing piece,The controls right end is connected with outstanding flange,Square shaft is fixed with the right side of the flange,The fixing piece is fixed by screws on screw rod tail end face,The hollow hole is through to screw rod tail from screw front end,The hollow hole does not drill through screw front end,The heat pipe is sealing cylinder body,Capillary wick is distributed with the heat pipe inner wall,The utility model can change cooling temperature as needed,Efficiently utilize the energy,It is simple in structure,It is of low cost.
Description
Technical field
3D printing technique field is the utility model is related to, is specially a kind of the spiral of 3D printing consumptive material production extruder
Cooling device.
Background technology
With the development and progress of science and technology, 3D printing has become popular industry, the visual field of people has gradually been come into, in 3D
Extruder is a kind of essential machinery in printing consumables production, and when material presses to head, material is due to heat or machine
Cylinder external heater heating, screw head steep temperature rise, if cannot cool down in time be possible to the decomposition for causing material or
Burn, so that the normal work of the quality of production even host of printing consumables is influenced, since spiral cooling has heat dissipation effect
The advantages that fruit is good, and the temperature control effect of itself is good, therefore spiral cooling is widely used in all trades and professions, such as in coating material production row
The screw type cooling device for a kind of extruder that Application No. 201520204046.5 is announced in industry, by being provided with spiral shell on axis
The sink of shape is revolved, increases cooling water residence time in axis, so as to improve the cooling velocity of cooling collar, while also reduces
The discharge capacity of cooling water pump, adds the service life.Above-mentioned technical proposal can improve actual cooling effectiveness in certain degree,
But in actual application, it is insufficient once with reference to the above problem and prior art analysis or presence：
（1）In order to improve actual cooling effect, existing cooling device usually requires to coordinate circulator and cooler
Etc register be applied in combination, so as to improve cooling effectiveness, but therefore carry out the complicated of itself, it is costly；
（2）Cooling device liquid usually carries out open cooling with water, not only consumes substantial amounts of water resource, also due to water band
The heat of part is walked, for extruder, heat is leaked, will also result in thermal loss, causes the increase of power consumption, for extrusion
For machine, best radiating mode is effectively to be circulated heat in inside；
（3）For different material variety and extrusion capacity, it is necessary to different cooling temperatures, but existing cooling device is difficult
To change cooling temperature, this is also the major issue that presently, there are.
The content of the invention
In order to overcome the shortcomings of prior art, the utility model provides a kind of 3D printing consumptive material production extruder
Screw type cooling device, can change cooling temperature as needed, simple in structure efficiently using the energy, of low cost, can be effective
Solve the problems, such as background technology propose.
Technical solution is used by the utility model solves its technical problem：A kind of 3D printing consumptive material production extruder
Screw type cooling device, including screw rod is equipped with hollow hole on screw rod shaft core position, is uniformly provided with the hollow hole inner wall
Heat insulation layer and two groups of heat-conducting layers, the heat-conducting layer and heat insulation layer are in the same plane, and heat-conducting layer is in hollow hole both ends, institute
Heat insulation layer to be stated between two groups of heat-conducting layers, heat pipe is installed in the hollow hole, the heat pipe right end is connected with manipulation device,
The manipulation device includes control lever shaft, controls and fixing piece, and the controls right end is connected with outstanding flange, described
Square shaft is installed with the right side of flange, the fixing piece is fixed by screws on screw rod tail end face.
As a kind of preferable technical solution of the utility model, the hollow hole is through to screw rod tail from screw front end,
And hollow hole does not drill through screw front end.
As a kind of preferable technical solution of the utility model, the heat pipe is sealing cylinder body, and the heat pipe is by left side
Evaporator section, adiabatic section and condensation segment are followed successively by right side, the heat pipe inner wall is evenly distributed with capillary wick.
As a kind of preferable technical solution of the utility model, the heat pipe outer wall is close in heat-conducting layer and heat insulation layer
Wall, the heat pipe length are hollow hole length 3/4.
As a kind of preferable technical solution of the utility model, the control lever shaft is cylinder, and control lever shaft one end is fixed
In the right end of heat pipe, the other end stretches out axially along a screw, and the control lever shaft outer surface is equipped with pin thread.
As a kind of preferable technical solution of the utility model, the controls is made hollow form and forms cylinder, the circle
Negative thread is carved with the inner surface of cylinder.
As a kind of preferable technical solution of the utility model, the fixing piece is internally provided with through hole, and the flange is fixed
In through hole, the square shaft stretches out on the right side of through hole.
Compared with prior art, the beneficial effects of the utility model are：
（1）The utility model is only provided with heat pipe in screw rod, simple in structure without temperature control equipment, of low cost；
（2）The utility model is provided with heat pipe, and the evaporator section of heat pipe receives the heat from screw head, the work in tube core
Make heated liquid evaporation, and take away heat, steam is flowed to the condensation segment of heat pipe by central tube, and condensation is in liquid, is released at the same time
Heat, under the action of capillary force, liquid is back to evaporator section by capillary wick pipe, the circulation of a closure is completed, by heat
Amount passes to condensation segment from bringing-up section, and for heated material, there is no thermal energy waste；
（3）The utility model rotates the square shaft for stretching out fixing piece, so as to change the steaming of heat pipe by setting manipulation device 10
Section and the contact area of heat-conducting layer are sent out, and then is changed heat absorption degree of the heat pipe to screw front end, changes cooling temperature.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
In figure：1- screw rods;2- hollow holes；3- heat-conducting layers；4- heat insulation layers；5- heat pipes；6- capillary wicks；7- evaporator sections；
8- adiabatic sections；9- condensation segments；10- manipulation devices；11- control lever shafts；12- controls；13- pin threads；14- cylinders；15- the moon spiral shells
Line；16- through holes；17- flanges；18- square shafts；19- fixing pieces.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
The explanation of following embodiment is refer to the attached drawing, can be to the particular implementation implemented to example the utility model
Example.The direction and position term that the utility model is previously mentioned, for example, " on ", " in ", " under ", "front", "rear", "left", "right", "
It is interior ", " outer ", " side " etc., be only the direction and position with reference to annexed drawings.Therefore, the direction and position term used is to use
To illustrate and understand the utility model, and it is not used to limitation the utility model.
Embodiment：
As shown in Figure 1, the utility model provides a kind of screw type cooling device of 3D printing consumptive material production extruder,
Including screw rod 1, there is a hollow hole 2 in the 1 shaft core position of screw rod, and the hollow hole 2 is used to placing heat pipe 5, and the hollow hole 2 is from spiral shell
1 front end of bar is through to 1 afterbody of screw rod, and the hollow hole 2 does not drill through screw front end, and 2 inner wall of hollow hole is along the circumferential direction set
There are heat insulation layer 4 and two groups of heat-conducting layers 3, the heat-conducting layer 3 is in 2 both ends of hollow hole, and the heat insulation layer 4 is among hollow hole 2,
4 close proximity of the heat-conducting layer 3 and heat insulation layer, the heat-conducting layer 3 are bonded with the evaporator section 7 of heat pipe 5, promote the transmission of heat,
The heat insulation layer 4 obstructs heat inside heat pipe 5, the unnecessary energy in head is passed to 1 afterbody of screw rod to greatest extent, makes
The heat of 1 afterbody of screw rod is higher than the heat of end, and the cooling heat comprehensive utilization of end is got up.
Heat pipe 5 is installed, 5 outer wall of heat pipe is close to 4 inner wall of heat-conducting layer 3 and heat insulation layer, the heat in the hollow hole 2
5 length of pipe is 2 length 3/4 of hollow hole, and the heat pipe 5 is sealing cylinder body, and the heat pipe 5 is followed successively by evaporation by left side to right side
Capillary wick 6 is distributed with section 7, adiabatic section 8 and condensation segment 9,5 inner wall of heat pipe, and the evaporator section 7 of heat pipe 5, which receives, comes from spiral shell
The heat on 1 head of bar, the working fluid in tube core are taken away heat by thermal evaporation, and steam flows to the cold of heat pipe 5 by central tube
Solidifying section 9, condensation is in liquid, while releases heat, and under the action of capillary force, liquid is back to steaming by capillary wick 6
Section 7 is sent out, the circulation of a closure is completed, heat is passed into condensation segment 9 from bringing-up section, it is most efficient to utilize for heated material
Thermal energy, 5 right end of heat pipe are connected with manipulation device 10.
Need to be explained further the operation principle of heat pipe 5 herein, heat pipe 5 as shown in the above, by left side to right side
Evaporator section 7, adiabatic section 8 and condensation segment 9 are followed successively by, the wherein operation principle of evaporator section 7 and adiabatic section 8 is as noted above, without
Repeat, the operation principle for the condensation segment 9 being explained further herein, it is generally known that, liquid vapour needs to liquefy to the cold,
And in the present embodiment, the temperature on right side is higher than the temperature in left side, and is also higher than liquid vapour in certain degree
Temperature, therefore, it is difficult to realize naturally cooling heat dissipation, it is necessary to be circumscribed with compressor can realize high intensity steam condensation,
And be to need external offer energy to support in this process, could realize the conservation of energy, thus in the present embodiment, it is necessary to
It is to be noted that, it is necessary to it could realize whole cyclic process by adding compressor.And in the present embodiment, the compressor added is only
Compression circulating liquid need to be simply realized, without other extra requirements.
The manipulation device 10 includes control lever shaft 11, controls 12 and fixing piece 19, and the control lever shaft 11 is cylindrical, and one
End is fixed on the right end end face of heat pipe 5, and the other end is axially extended along screw rod 1, and 11 external peripheral surface of control lever shaft is processed into sun
Screw thread 13,12 left end of controls are the cylinder 14 of opening, and negative thread 15, institute are carved with the inner circumferential surface of the cylinder 14
State negative thread 15 and the pin thread 13 of control lever shaft 11 matches, the cylinder 14 of the controls 12 is hollow from the insertion of 1 afterbody of screw rod
In hole 2, together with negative thread 15 thereon and 13 screw occlusion of pin thread of control lever shaft 11,12 right end of controls connects
Outstanding flange 17 is connected to, the right side of flange 17 is fixed with square shaft 18, through hole 16 is machined with inside the fixing piece 19,
The flange 17 is fixed in through hole 16, and the size of the through hole 16 is slightly larger than flange 17, ensures that flange 17 can be in through hole 16
Interior rotation, the square shaft 18 are stretched out from the right side of through hole 16, and the fixing piece 19 is fixed by screws on 1 tail end face of screw rod,
The manipulation device 10 stretches out the square shaft 18 of fixing piece 19 by rotating, so as to change the evaporator section 7 and heat-conducting layer 3 of heat pipe 5
Contact area, and then heat pipe 5 is changed the heat absorption degree of 1 front end of screw rod.
In conclusion the utility model is mainly characterized by：
（1）The utility model is only provided with heat pipe in screw rod, and during the self-loopa for passing through heat pipe by heat into
Row is internal to be transmitted, simple in structure without temperature control equipment, of low cost；
（2）The utility model is provided with heat pipe, and the evaporator section of heat pipe receives the heat from screw head, the work in tube core
Make heated liquid evaporation, and take away heat, steam is flowed to the condensation segment of heat pipe by central tube, and condensation is in liquid, is released at the same time
Heat, under the action of capillary force, liquid is back to evaporator section by capillary wick pipe, completes the circulation of a closure, will
Heat passes to condensation segment from bringing-up section, for heated material, there is no thermal energy waste, can realize the circulation of internal heat, keep away
Exempt from Open architecture by the directly outer row of internal heat, can also be energy saving while reducing thermal loss, reduction needs heating to carry
The intensity of heating load；
（3）The utility model rotates the square shaft for stretching out fixing piece, so as to change the evaporation of heat pipe by setting manipulation device
The contact area of section and heat-conducting layer, and then heat absorption degree of the heat pipe to screw front end is changed, change cooling temperature.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (7)
- A kind of 1. screw type cooling device of 3D printing consumptive material production extruder, it is characterised in that：Including screw rod（1）, in spiral shell Bar（1）Shaft core position is equipped with hollow hole（2）, the hollow hole（2）Heat insulation layer is uniformly provided with inner wall（4）With two groups of heat-conducting layers （3）, the heat-conducting layer（3）And heat insulation layer（4）It is in the same plane, and heat-conducting layer（3）In hollow hole（2）Both ends, it is described Heat insulation layer（4）Positioned at two groups of heat-conducting layers（3）Between, the hollow hole（2）Heat pipe is inside installed（5）, the heat pipe（5）Right end connects It is connected to manipulation device（10）, the manipulation device（10）Including control lever shaft（11）, controls（12）And fixing piece（19）, the behaviour Vertical part（12）Right end is connected with outstanding flange（17）, the flange（17）Right side is installed with square shaft（18）, it is described Fixing piece（19）It is fixed by screws in screw rod（1）On tail end face.
- 2. a kind of screw type cooling device of 3D printing consumptive material production extruder according to claim 1, its feature exist In：The hollow hole（2）From screw rod（1）Front end is through to screw rod（1）Afterbody, and hollow hole（2）Do not drill through screw rod（1）Front end.
- 3. a kind of screw type cooling device of 3D printing consumptive material production extruder according to claim 1, its feature exist In：The heat pipe（5）For sealing cylinder body, the heat pipe（5）Evaporator section is followed successively by by left side to right side（7）, adiabatic section（8）With Condensation segment（9）, the heat pipe（5）Inner wall is evenly distributed with capillary wick（6）.
- 4. a kind of screw type cooling device of 3D printing consumptive material production extruder according to claim 3, its feature exist In：The heat pipe（5）Outer wall is close to heat-conducting layer（3）And heat insulation layer（4）Inner wall, the heat pipe（5）Length is hollow hole（2）It is long Degree 3/4.
- 5. a kind of screw type cooling device of 3D printing consumptive material production extruder according to claim 1, its feature exist In：The control lever shaft（11）For cylinder, and control lever shaft（11）One end is fixed on heat pipe（5）Right end, the other end is along screw rod（1） It is axially extended, the control lever shaft（11）Outer surface is equipped with pin thread（13）.
- 6. a kind of screw type cooling device of 3D printing consumptive material production extruder according to claim 1, its feature exist In：The controls（12）Hollow form is made and forms cylinder（14）, the cylinder（14）Inner surface on be carved with negative thread（15）.
- 7. a kind of screw type cooling device of 3D printing consumptive material production extruder according to claim 1, its feature exist In：The fixing piece（19）It is internally provided with through hole（16）, the flange（17）It is fixed on through hole（16）It is interior, the square shaft（18）From Through hole（16）Right side is stretched out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721191024.5U CN207359593U (en) | 2017-09-18 | 2017-09-18 | A kind of screw type cooling device of 3D printing consumptive material production extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721191024.5U CN207359593U (en) | 2017-09-18 | 2017-09-18 | A kind of screw type cooling device of 3D printing consumptive material production extruder |
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| Publication Number | Publication Date |
|---|---|
| CN207359593U true CN207359593U (en) | 2018-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721191024.5U Active CN207359593U (en) | 2017-09-18 | 2017-09-18 | A kind of screw type cooling device of 3D printing consumptive material production extruder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501199A (en) * | 2018-11-27 | 2019-03-22 | 安徽工程大学 | A kind of 3d printing consumables production extrusion equipment |
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2017
- 2017-09-18 CN CN201721191024.5U patent/CN207359593U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501199A (en) * | 2018-11-27 | 2019-03-22 | 安徽工程大学 | A kind of 3d printing consumables production extrusion equipment |
| CN109501199B (en) * | 2018-11-27 | 2020-12-01 | 安徽工程大学 | 3d printing supplies production extrusion equipment |
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