CN204054287U - New-type heat-melting cement 3D printhead - Google Patents
New-type heat-melting cement 3D printhead Download PDFInfo
- Publication number
- CN204054287U CN204054287U CN201420395140.9U CN201420395140U CN204054287U CN 204054287 U CN204054287 U CN 204054287U CN 201420395140 U CN201420395140 U CN 201420395140U CN 204054287 U CN204054287 U CN 204054287U
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- tank body
- cold burden
- motor
- conveying device
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Abstract
The utility model relates to a kind of new-type heat-melting cement 3D printhead, and comprising: hot material conveying device, it comprises: tank body, and it is circular cylindrical cavity, and its outside is provided with the shell interlayer of heat-barrier material, and tank body upper side is provided with charging aperture, and lower end is provided with conical nozzle; Heat material motor, heat material motor is fixed on tank body top, is connected with feeding worm screw by shaft coupling; Worm screw, its one end connects with machine shaft shaft coupling and is fixed on tank body upper end with bearing, and worm screw is provided with helical blade; Heating resistor, heating resistor is fixed in the inside and outside interlayer of tank body.Also comprise cold burden conveying device, it comprises: cold burden storehouse, and cold burden storehouse is provided with rotary feed valve, and rotary feed valve is engaged by cold burden motor gear and connects; Piston material pushing device, piston material pushing device is taken turns by recessed and pushed piston two parts and form, and is fixed on bottom, cold burden storehouse, engages with cold burden motor gear, and the piston type realizing cold burden pushes to heat material charging aperture.
Description
Technical field
The utility model relates to 3D printing technique field, particularly relates to a kind of new-type heat-melting cement 3D printhead.
Background technology
3D printing technique is a kind of rapid prototyping & manufacturing technology fast-developing both at home and abroad in recent years, have that shaping speed is fast, equipment price be cheap, operation and maintenance cost is low, can personalized creative making, the manufacture of New Times is calculated as large data cloud, be used widely at each engineering field of the modern society such as machinery, electronics, aircraft, biological manufacture, pharmacy, microelectromechanicpositioning, building at present, illustrate wide market prospects.But the main material that 3D prints at present is the chemical materials such as ABS, nylon, and construction material cement equitemperature is high, poor fluidity, and the 3D of easy-formation does not print and is not also applied.
Summary of the invention
The utility model provides a kind of 3D that can realize the materials such as temperature is high, poor fluidity new-type heat-melting cement 3D printhead printed.This printhead is made up of cold burden conveying device and the large parts of hot material conveying device two.
Hot material conveying device comprises:
Tank body, tank body is provided with interlayer and the cylindrical cavity of tank interior, and tank body upper end is provided with charging aperture, and lower end is provided with the conical nozzle printing discharging for 3D;
Heat material motor, heat material motor is fixed on tank body top, is connected with feeding worm screw by shaft coupling;
Worm screw, worm screw adopts high strength steel machining to form, and its one end connects with machine shaft shaft coupling and is fixed on tank body upper end with bearing, and worm screw is provided with helical blade, and its external diameter is less than tank body internal diameter 0.2 millimeter;
And the heating resistor for heating, heating resistor is fixed in the interlayer of tank body.
Further, hot material conveying device also comprises thermal insulation layer, and thermal insulation layer invests in the interlayer of tank body, is separated by the outer wall of heating resistor and tank body.
Further, hot material conveying device also comprises the temperature sensor for detected temperatures, and temperature sensor is fixed in the interlayer of tank body.
Further, heating resistor is fixed in interlayer in the shape of a spiral.
Cold burden conveying device, cold burden conveying device comprises:
Cold burden storehouse, top, cold burden storehouse is provided with feeding port, and lower end side is provided with discharging opening, and discharging opening connects with the charging aperture of hot material conveying device;
For material being pushed out the propelling movement piston of discharging opening, pushing piston and being fixed in cold burden storehouse and the discharge outlet be positioned at;
And for driving the actuator pushing piston movement, actuator is fixed in cold burden storehouse, and connect with propelling movement piston.
Further, actuator comprises motor, gear and recessedly to take turns, motor output end is provided with gear, the gear of motor output end connects with gears meshing, gear and recessed wheel are fixedly connected by central shaft, the connecting rod insertion of propelling movement piston is recessed takes turns 8-shaped inside groove, takes turns the continuous reciprocating motion that 360 degree of rotary motions convert piston to, realize the round and smooth propelling movement of cold burden by recessed.
Further, cold burden conveying device also comprises rotary feed valve, rotary feed valve is fixed on the feeding port place in cold burden storehouse, rotary feed valve comprises gear and valve blade, gear connects with the gears meshing of motor output end, and valve blade central axis aligns fixing with gear centre axis.
In other embodiments, comprise controller, controller connects with heating resistor, temperature sensor, motor and motor signal, and the detected temperatures signal that controller obtains temperature sensor controls heating resistor heating, and controls the conveying of motor and motor driving material.
The beneficial effects of the utility model are: clear and definite by dividing the work, and manage the cold and hot material conveying device of unified uniqueness, realize the 3D printing of the high temperature such as hot melt cement, heavy viscous material, for 3D printing technique field adds a kind of modern print heads critical component.
Accompanying drawing explanation
Fig. 1 is the structural representation of the hot material conveying device of the utility model;
Fig. 2 is the structural representation of the utility model cold burden conveying device;
Fig. 3 is the structural representation of a kind of hot melt cement of the utility model 3D printhead.
Detailed description of the invention
By reference to the accompanying drawings the utility model is described in further detail below by detailed description of the invention.
Embodiment one:
The present embodiment provides a kind of hot melt cement 3D printhead, and the 3D that this hot melt cement 3D printhead is mainly used in cement prints, and the high accuracy 3D that also can be used as the high viscosity such as chocolate, cream cake, very adiabator prints and uses.
Please refer to Fig. 1, hot melt cement 3D printhead comprises hot material conveying device 1.
Comprise hot material conveying device 1 and comprise tank body 11, motor 12, worm screw 13 and heating resistor 14.
Tank body 11 is provided with interlayer 111, and namely tank body is by inside and outside two layers of walls, middle formation certain interval, the inner cylindrical cavity of tank body 11.Direction as shown in Figure 1, the upper end of tank body 11 is provided with charging aperture 112, and charging aperture 112 is for importing printing material deployed in advance; The bottom of tank body 11 is back taper, and cone point is nozzle 113, and nozzle opening arranges size as required, when special requirement, can be set to the opening of millimeter unit, for precise Printing.
Motor 12 is fixed on the end face of charging aperture 111 end of tank body 11, i.e., in the middle of the top of shown position, the rotating shaft of motor is connected with worm screw 13 by shaft coupling, drives worm screw 13 convey materials.
The upper end of worm screw 13 is connected by shaft coupling with the rotating shaft of motor 12, and worm screw 13 is provided with helical blade, and helical blade external diameter is less than the internal diameter 0.2 millimeter of tank body 11, and under the driving of motor, material, by the pressurization of helical blade, is transported to nozzle 113 and carries out 3D printing.
Heating resistor 14 is fixed in the interlayer 111 of tank body, is evenly distributed in the shape of a spiral in the interlayer 111 of tank body, achieves the homogeneous heating to material in tank body 11.
In other embodiments; thermal insulation layer 15 is provided with in the interlayer 111 of tank body 11; thermal insulation layer 15 is attached on the outer inwall of interlayer 111; the outer wall of heating resistor 14 with tank body is separated; heat loss can be prevented; improve heating effect, the insulation blocking simultaneously to high temperature other equipment and staff.
In other embodiments, be provided with temperature sensor 16 in the interlayer 111 of tank body 11, temperature sensor 16 achieves the monitoring of temperature in 11 in tank, and produces corresponding detected temperatures signal.
In other embodiments, hot melt cement 3D printhead also comprises controller, controller connects with heating resistor 14 and temperature sensor 16 signal, the detected temperatures signal control heating resistor 14 that described controller obtains temperature sensor 15 heats, control and keep heating-up temperature in setting range value, connect with motor 12 signal with Time Controller, achieve Automated condtrol, improve the security performance of equipment.
The conveying flow process of hot material conveying device 1 is as follows: the hot melt cement (being formed by resin and cement mixing) prepared in proportion imports from charging aperture 112, motor 12 drives worm screw 13 to rotate conveying hot melt cement and extrudes to nozzle 113, for printing, the same Time Controller control heating resistor 14 pairs of hot melt cement driving worm screw 12 to rotate transmission at motor 12 heat, and hot melt cement is dissolved while Stirring.
A kind of hot melt cement 3D printhead that the present embodiment provides, be provided with in hot material conveying device 1 worm screw 13 transmit print material, can by poor fluidity material is accurately extruded for print, be also provided with heating resistor 14, achieve heating material, be easy to shaping.
Embodiment two:
The present embodiment has increased cold burden conveying device 2 on the basis of above-described embodiment, and cold burden conveying device 2 can facilitate, accurately and effectively supply material to hot material conveying device 1, improves the efficiency of printing.
Please refer to Fig. 2 and Fig. 3, cold burden conveying device comprises cold burden storehouse 21, pushes piston 22 and actuator 23.
Cold burden storehouse 21 is for accommodating cold burden, direction as shown in Figure 2, the top in cold burden storehouse 21 is provided with feeding port 211, feeding port 211 is in funnel type, the right side of lower end is provided with discharging opening 212, discharging opening 212 connects with the charging aperture 111 of hot material conveying device 1, by cold burden conveying device 2 and hot material conveying device 1 UNICOM, realizes material supply.
Push piston 22 and comprise pushing plate and push rod, be flexibly connected between pushing plate and push rod, push piston 22 and be fixed in cold burden storehouse 21, and be positioned at discharging opening 212 place, during work, material is pushed out discharging 212.
Actuator 23 comprises motor 231, gear 232 and recessedly take turns 233, motor 231 is fixed on outside cold burden storehouse 21, its output stretches in cold burden storehouse 21, and output is fixed with output gear 2311, motor 231 is connected with gear 232 by output gear 2311, gear 232 and there is unique 8-shaped inner groovy recessedly take turns 233 and be fixedly connected by central shaft, both associated movements, recessed take turns 233 with push the push rod of piston 22 and be actively coupled, realize push rod push fast and reset at a slow speed, or push at a slow speed or the motion of Rapid reset, motor 231 connects with controller signals, controller controls it and realizes Automatic-feeding.
In other embodiments, the feeding port 211 in cold burden storehouse 21 goes out to be provided with rotary feed valve 24, rotary feed valve 24 comprises gear 241 and valve blade 242, gear 241 engages with the gear 2311 of motor 231 output and connects, the valve blade 242 centrally distribution that scatter such as axis, and valve blade 242 central axis aligns fixing with gear 241 central axis, the preferred valve blade 242 of the present embodiment is 4, rotation gate designs, and circulation imports material, improves the efficiency of feed.
The conveying flow process of cold burden conveying device 1 is as follows: the hot melt cement (being formed by resin and cement mixing) prepared in proportion imports from feeding port 211, cold burden storehouse 21 is entered through rotary feeding valve 24, motor 23 pushes piston 22 by gear drive and material is pushed out discharging opening 212, is imported in hot material conveying device 1 by discharging opening 212.
Embodiment adds cold burden conveying device 2, rotation gate 24 and piston delivery device is provided with in cold burden conveying device 2, the intermittence being changed into valve by motor rotary actuation rotates feed and the intermittent propelling movement material of piston, has higher continuity, improves feed efficiency.
Above content is in conjunction with concrete embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made.
Claims (8)
1. a new-type heat-melting cement 3D printhead, is characterized in that, comprises hot material conveying device (1), and described hot material conveying device (1) comprising:
Tank body (11), described tank body (11) is provided with interlayer (111) and the inner cylindrical cavity of tank body (11), and described tank body (11) upper side is provided with charging aperture (112), and lower end is provided with the conical nozzle (113) printing discharging for 3D;
Heat material motor (12), described motor (12) is fixed on described tank body (11) top, and the rotating shaft of described motor (12) is connected with worm screw by shaft coupling;
Worm screw (13), the rotating shaft of described worm screw (13) one end and described motor (12) is connected and fixed in tank body (11), and described worm screw (13) is provided with helical blade, and the external diameter of helical blade is less than tank body (11) circular cylindrical cavity internal diameter 0.2 millimeter;
And the heating resistor (14) for heating, described heating resistor (14) is fixed in the interlayer (111) of described tank body (11).
2. new-type heat-melting cement 3D printhead as claimed in claim 1, it is characterized in that, described hot material conveying device (1) also comprises thermal insulation layer (15), and described thermal insulation layer (15) invests in the interlayer (111) of tank body (11), is separated by the outer wall of heating resistor (14) with tank body (11).
3. new-type heat-melting cement 3D printhead as claimed in claim 1, it is characterized in that, described hot material conveying device (1) also comprises the temperature sensor (16) for detected temperatures, and described temperature sensor (16) is fixed in the interlayer (111) of tank body (11).
4. new-type heat-melting cement 3D printhead as claimed in claim 1, it is characterized in that, described heating resistor is fixed in interlayer in the shape of a spiral.
5. the new-type heat-melting cement 3D printhead according to any one of Claims 1-4, is characterized in that, also comprise cold burden conveying device (2), and described cold burden conveying device (2) comprising:
Cold burden storehouse (21), described cold burden storehouse (21) top is provided with feeding port (211), and lower end side is provided with discharging opening (212), and described discharging opening (212) connects with the charging aperture (111) of hot material conveying device (1);
For material being pushed out the propelling movement piston (22) of discharging opening (212), described propelling movement piston (22) is fixed in described cold burden storehouse (21) and the discharging opening be positioned at (212) place;
And the actuator (23) for driving described propelling movement piston (22) to move, described actuator (23) is fixed in described cold burden storehouse (21), and connects with propelling movement piston (22).
6. new-type heat-melting cement 3D printhead as claimed in claim 5, it is characterized in that, described actuator (23) comprises motor (231), gear (232) and recessedly to take turns (233), described motor (231) output is provided with gear (2311), the gear (2311) of motor (231) output engages with gear (232) and connects, gear (232) and recessed take turns (233) are fixedly connected by central shaft, described propelling movement piston (22) and recessed take turns (233) are actively coupled, describedly recessedly take turns the inside groove that (233) have 8-shaped, the connecting rod pushing piston (22) inserts in inside groove, the continuous reciprocating motion that (233) 360 degree of rotary motions convert piston to can be taken turns by recessed, realize the round and smooth propelling movement of cold burden.
7. new-type heat-melting cement 3D printhead as claimed in claim 6, it is characterized in that, described cold burden conveying device (2) also comprises rotary feed valve (24), described rotary feed valve (24) is fixed on feeding port (211) place of described cold burden storehouse (21), described rotary feed valve (24) comprises gear (241) and valve blade (242), described gear (241) engages with the gear (231) of motor (231) output and connects, and described valve blade (242) central axis aligns fixing with gear (241) central axis.
8. new-type heat-melting cement 3D printhead as claimed in claim 7, it is characterized in that, also comprise controller, described controller connects with heating resistor (14), temperature sensor (15), motor (12) and motor (231) signal, the detected temperatures signal that described controller obtains temperature sensor (15) controls heating resistor (14) heating, and controls the conveying of motor (12) and motor (231) driving material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395140.9U CN204054287U (en) | 2014-07-17 | 2014-07-17 | New-type heat-melting cement 3D printhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395140.9U CN204054287U (en) | 2014-07-17 | 2014-07-17 | New-type heat-melting cement 3D printhead |
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| Publication Number | Publication Date |
|---|---|
| CN204054287U true CN204054287U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420395140.9U Expired - Fee Related CN204054287U (en) | 2014-07-17 | 2014-07-17 | New-type heat-melting cement 3D printhead |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191494A (en) * | 2014-07-17 | 2014-12-10 | 深圳市三帝梦工场科技开发有限公司 | Novel hot melting cement 3D printing head |
| CN105125315A (en) * | 2015-06-25 | 2015-12-09 | 浙江大学 | Automatic filling and cleaning nozzle used for biological tissue manufacturing and control method thereof |
| CN105500494A (en) * | 2015-11-12 | 2016-04-20 | 郑州科技学院 | Clay 3D (Three Dimensional) printer and extruding device thereof |
| EP3284879A4 (en) * | 2015-04-17 | 2018-06-06 | Zhang, Pengcheng | Concrete construction technique capable of controlling setting time and special equipment therefor |
-
2014
- 2014-07-17 CN CN201420395140.9U patent/CN204054287U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191494A (en) * | 2014-07-17 | 2014-12-10 | 深圳市三帝梦工场科技开发有限公司 | Novel hot melting cement 3D printing head |
| EP3284879A4 (en) * | 2015-04-17 | 2018-06-06 | Zhang, Pengcheng | Concrete construction technique capable of controlling setting time and special equipment therefor |
| CN105125315A (en) * | 2015-06-25 | 2015-12-09 | 浙江大学 | Automatic filling and cleaning nozzle used for biological tissue manufacturing and control method thereof |
| CN105125315B (en) * | 2015-06-25 | 2017-05-03 | 浙江大学 | Automatic filling and cleaning nozzle used for biological tissue manufacturing and control method thereof |
| CN105500494A (en) * | 2015-11-12 | 2016-04-20 | 郑州科技学院 | Clay 3D (Three Dimensional) printer and extruding device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20160717 |
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| CF01 | Termination of patent right due to non-payment of annual fee |