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CN203818585U - Particle material feeding mechanism for 3D (three-dimensional) printing - Google Patents

Particle material feeding mechanism for 3D (three-dimensional) printing Download PDF

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Publication number
CN203818585U
CN203818585U CN201420187723.2U CN201420187723U CN203818585U CN 203818585 U CN203818585 U CN 203818585U CN 201420187723 U CN201420187723 U CN 201420187723U CN 203818585 U CN203818585 U CN 203818585U
Authority
CN
China
Prior art keywords
particle
conveying pipeline
printing
feeding mechanism
bearing block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420187723.2U
Other languages
Chinese (zh)
Inventor
彭新桥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUNAN RUIDU TECHNOLOGY Co Ltd
Original Assignee
HUNAN RUIDU TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HUNAN RUIDU TECHNOLOGY Co Ltd filed Critical HUNAN RUIDU TECHNOLOGY Co Ltd
Priority to CN201420187723.2U priority Critical patent/CN203818585U/en
Application granted granted Critical
Publication of CN203818585U publication Critical patent/CN203818585U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a particle material feeding mechanism for 3D (three-dimensional) printing. The particle material feeding mechanism comprises a motor, a material conveying mechanism, a screw rod, an aluminum block, heating pipes, a spray head and a work control electromagnetic system, wherein the material conveying mechanism comprises an upper part and a lower part, namely, a particle material hopper and a material conveying pipe; the aluminum block is arranged below the material conveying pipe; a material melting channel vertical to the axis of the material conveying pipe is arranged in the aluminum block; the heating pipes are respectively arranged on two sides of the material melting channel in the aluminum block; the spray head is arranged below one end of the material melting channel far from the material conveying pipe; a material spraying channel is arranged in the spray head. The particle material feeding mechanism disclosed by the utility model adopts the integrated design of the extrusion spray head, a particle material is sprayed out after being extruded and melted, wire sliding phenomenon is avoided, and the spray head has small possibility of being blocked, therefore the energy and cost can be greatly saved.

Description

A kind of particle material feeding mechanism of printing for 3D
Technical field
The utility model relates to 3D printing technique field, more particularly, relates to a kind of particle material feeding mechanism of printing for 3D.
Background technology
3D printing technique is a kind of RP technique, and it is a kind ofly to take mathematical model file as basis, uses powdery metal or the plastics etc. can jointing material, carrys out the technology of constructed object by the mode of successively printing; During printing, the shower nozzle that is positioned at xy shaft platform moves horizontally, and meanwhile, the oscilaltion of z shaft platform, realizes successively and printing, thereby on z shaft platform, print three-dimensional object, can be used for modeling, also can directly manufacture a product, and its range of application is very extensive.
Extruder and shower head mechanism on existing 3D printing device separate, and the consumptive material of its use is also the finished wire rod after processing, and the phenomenon of stripped thread usually appears in extruder part, and shower head mechanism also has situation about blocking and occurs; And existing consumptive material is all to be obtained by particle material processing wire drawing, the relative particle material of price is higher; purity is often not high, and for large-sized printing device, and sometimes wire rod is got to half and just used up; need to shut down and reload, process bothers very much, and major defect is embodied in:
1, consumptive material is on the high side;
2, be not suitable for printing large-sized object;
3, work unreliablely, have the inadequate length of wire rod and the phenomenon of scrapping the product of printing half;
4,, in prior art, the using method of particle material is: particle material-be heated into silk is cooling-add again hot print, energy serious waste.
Therefore, be necessary existing 3D printing device structure study further and improve.
Utility model content
The purpose of this utility model is the problem of mentioning in above-mentioned background technology in order to solve, a kind of particle material feeding mechanism of printing for 3D is provided, this feeding mechanism adopts extrudes shower nozzle integrated design, after being extruded to thawing, particle material sprays again, there will not be stripped thread phenomenon, shower nozzle is also difficult for stopping up, and has greatly saved the energy and cost.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of particle material feeding mechanism of printing for 3D, comprise motor, feeding unit, screw rod, aluminium block, heating tube, shower nozzle, and job control electromagnetic system, described feeding unit comprises upper and lower two parts, be respectively particle hopper and conveying pipeline, described conveying pipeline is communicated in the exit of described particle hopper, in described particle hopper, be provided with bearing block, described screw rod comprises the transmission section that is positioned at described bearing block and the spiral active section that is inserted in rotationally described conveying pipeline, described transmission section pass after described bearing block with described motor in output cover be in transmission connection, described conveying pipeline below is provided with aluminium block, in described aluminium block, be provided with the melting material passage vertical with described conveying pipeline axis, described melting material channel connection is in the exit of described conveying pipeline, the both sides that are positioned at described melting material passage in described aluminium block are respectively equipped with heating tube, described melting material passage is provided with shower nozzle away from the below, one end of described conveying pipeline, in described shower nozzle, be provided with the spray material channels of axis and described melting material channel vertical, described spray material channels is communicated in the exit of described melting material passage, described shower nozzle top is provided with job control electromagnetic system.
Further, described job control electromagnetic system comprises controller, the electromagnet of being controlled by described controller, is set in copper nut on described electromagnet, is inserted in removable pin moving up and down in described copper nut.
Further, described motor is positioned at described bearing block top and is arranged in described bearing block.
Further, described in, be positioned in the screw rod transmission section of bearing block and be arranged with needle bearing.
Further, described in be positioned in the screw rod transmission section of bearing block and be arranged with single-row angular contact ball bearing, described single-row angular contact ball bearing is positioned at described needle bearing below.
Further, described particle hopper both sides and described conveying pipeline both sides are respectively equipped with side plate, between described particle hopper and described conveying pipeline, are provided with connection strap, and described particle hopper is fixedly connected with by connection strap with the side plate that described conveying pipeline is positioned at homonymy.
Compared with prior art, the beneficial effects of the utility model are as follows: particle material feeding mechanism that the utility model provides adopts and extrudes shower nozzle integrated design, spray after particle material is extruded to thawing again, there will not be stripped thread phenomenon, shower nozzle is also difficult for stopping up, and has greatly saved the energy and cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structural representation of the present utility model.
Reference numeral: 1, motor, 2, bearing block, 3, particle hopper, 4, needle bearing, 5, single-row angular contact ball bearing, 6, screw rod, 61, transmission section, 62, spiral active section, 7, connection strap, 8, conveying pipeline, 9, heating tube, 10, aluminium block, 11, shower nozzle, 12, melting material passage, 13, spray material channels, 14, electromagnet, 15, copper nut, 16, removable pin.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
In conjunction with a kind of particle material feeding mechanism of printing for 3D shown in Fig. 1, comprise motor 1, feeding unit, screw rod 6, aluminium block 10, heating tube 9, shower nozzle 11, and job control electromagnetic system, feeding unit comprises upper and lower two parts, be respectively particle hopper 3 and conveying pipeline 8, conveying pipeline 8 is communicated in the exit of particle hopper 3, in particle hopper 3, be provided with bearing block 2, screw rod 6 comprises the transmission section 61 that is positioned at bearing block 2 and the spiral active section 62 that is inserted in rotationally conveying pipeline 8, output cover after transmission section 61 passes bearing block 2 and in motor 1 is in transmission connection, conveying pipeline 8 belows are provided with aluminium block 10, in aluminium block 10, be provided with the melting material passage 12 vertical with conveying pipeline 8 axis, melting material passage 12 is communicated in the exit of conveying pipeline 8, the both sides that are positioned at melting material passage 12 in aluminium block 10 are respectively equipped with heating tube 9, melting material passage 12 is provided with shower nozzle 11 away from the below, one end of conveying pipeline 8, in shower nozzle 11, be provided with the spray material channels 13 that axis is vertical with melting material passage 12, spray material channels 13 is communicated in the exit of melting material passage 12, shower nozzle 11 tops are provided with job control electromagnetic system.
The electromagnet 14 that in the present embodiment, job control electromagnetic system comprises controller, controlled by controller, be set in copper nut 15 on electromagnet 14, be inserted in the interior removable pin 16 moving up and down of copper nut 15, removable pin 16 is positioned at electromagnet 14 belows.
In the present embodiment, motor 1 is positioned at bearing block 2 tops and is arranged in bearing block 2, and the motor 1 in the present embodiment can adopt stepper motor, and the Main Function of bearing block 2 is to install and rigid bearing, and takes into account the function of stepper motor mount pad.
In the present embodiment, be positioned in the screw rod transmission section 61 of bearing block 2 and be arranged with needle bearing 4, needle bearing 4 plays radially fixing effect.
In the present embodiment, be positioned in the screw rod transmission section 61 of bearing block 2 and be arranged with single-row angular contact ball bearing 5, single-row angular contact ball bearing 5 is positioned at needle bearing 4 belows, and single-row angular contact ball bearing plays radial and axial fixing effect, guarantees the stability of transmission process.
In the present embodiment, particle hopper 3 both sides and conveying pipeline 8 both sides are respectively equipped with side plate, between particle hopper 3 and conveying pipeline 8, be provided with connection strap 7, particle hopper 3 is fixedly connected with by connection strap 7 with the side plate that conveying pipeline 8 is positioned at homonymy, connection strap 7 couples together particle hopper 3 and conveying pipeline 8, and when reality is used, it is arranged on xy shaft platform, work to connect xy shaft platform.
The utility model adopts extrudes shower nozzle integrated design, by motor 1 transmission, drive screw rod 6 to rotate, by entering in conveying pipeline 8 from particle hopper 3 and having broken into pulverous particle material compression, be expressed into the melting material passage 12 in aluminium block 10, by heating tube 9 heating of melting material passage 12 both sides, and by aluminium block 10 transferring heats, particle material is melted, by job control electromagnetic system, controlling the material having melted again sprays from spray material channels 13, during printing, job control electromagnetic system is in "on" position, electromagnet 14 sucks up removable pin 16, thereby be communicated with melting material passage 12 to spray material channels 13, while not printing, job control electromagnetic system is in off-position, electromagnet 14 puts down removable pin 16, thereby the junction of melting material passage 12 and spray material channels 13 is blocked, stop material spray.
What the utility model was extruded is liquid high temperature raw material, and directly insulation just can be used for printing, and has greatly saved the energy and cost, and there will not be the phenomenon of stripped thread.
The utility model reduces greatly to the requirement of consumptive material, greatly reduced cost, for large scale product, in the printing under working long hours, there is extraordinary effect, reliable operation, and in print procedure, in material, can alveolately not occur, thereby the situation that there will not be shower nozzle to block has improved printing precision greatly.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement etc., within all should being included in protection domain of the present utility model.

Claims (6)

1. a particle material feeding mechanism of printing for 3D, it is characterized in that, comprise motor, feeding unit, screw rod, aluminium block, heating tube, shower nozzle, and job control electromagnetic system, described feeding unit comprises upper and lower two parts, be respectively particle hopper and conveying pipeline, described conveying pipeline is communicated in the exit of described particle hopper, in described particle hopper, be provided with bearing block, described screw rod comprises the transmission section that is positioned at described bearing block and the spiral active section that is inserted in rotationally described conveying pipeline, described transmission section pass after described bearing block with described motor in output cover be in transmission connection, described conveying pipeline below is provided with aluminium block, in described aluminium block, be provided with the melting material passage vertical with described conveying pipeline axis, described melting material channel connection is in the exit of described conveying pipeline, the both sides that are positioned at described melting material passage in described aluminium block are respectively equipped with heating tube, described melting material passage is provided with shower nozzle away from the below, one end of described conveying pipeline, in described shower nozzle, be provided with the spray material channels of axis and described melting material channel vertical, described spray material channels is communicated in the exit of described melting material passage, described shower nozzle top is provided with job control electromagnetic system.
2. the particle material feeding mechanism of printing for 3D as claimed in claim 1, it is characterized in that, described job control electromagnetic system comprises controller, the electromagnet of being controlled by described controller, be set in copper nut on described electromagnet, be inserted in removable pin moving up and down in described copper nut.
3. the particle material feeding mechanism of printing for 3D as claimed in claim 1, is characterized in that, described motor is positioned at described bearing block top and is arranged in described bearing block.
4. the particle material feeding mechanism of printing for 3D as claimed in claim 1, is characterized in that, described in be positioned in the screw rod transmission section of bearing block and be arranged with needle bearing.
5. the particle material feeding mechanism of printing for 3D as claimed in claim 4, is characterized in that, described in be positioned in the screw rod transmission section of bearing block and be arranged with single-row angular contact ball bearing, described single-row angular contact ball bearing is positioned at described needle bearing below.
6. the particle material feeding mechanism of printing for 3D as claimed in claim 1, it is characterized in that, described particle hopper both sides and described conveying pipeline both sides are respectively equipped with side plate, between described particle hopper and described conveying pipeline, be provided with connection strap, described particle hopper is fixedly connected with by connection strap with the side plate that described conveying pipeline is positioned at homonymy.
CN201420187723.2U 2014-04-17 2014-04-17 Particle material feeding mechanism for 3D (three-dimensional) printing Expired - Fee Related CN203818585U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420187723.2U CN203818585U (en) 2014-04-17 2014-04-17 Particle material feeding mechanism for 3D (three-dimensional) printing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420187723.2U CN203818585U (en) 2014-04-17 2014-04-17 Particle material feeding mechanism for 3D (three-dimensional) printing

Publications (1)

Publication Number Publication Date
CN203818585U true CN203818585U (en) 2014-09-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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CN (1) CN203818585U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104972659A (en) * 2015-06-30 2015-10-14 成都思维智造科技有限公司 3D printer nozzle structure
KR20160035451A (en) * 2014-09-23 2016-03-31 주식회사 케이씨티 Three-dimensional printer
CN106738863A (en) * 2017-01-20 2017-05-31 深圳市玖品空气净化科技有限公司 A kind of screw feed formula 3D printing head
KR101755411B1 (en) * 2015-10-30 2017-07-26 경상대학교산학협력단 Discharging apparatus and 3d printer having the same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160035451A (en) * 2014-09-23 2016-03-31 주식회사 케이씨티 Three-dimensional printer
KR101662501B1 (en) * 2014-09-23 2016-10-06 주식회사 케이씨티 Three-dimensional printer
CN104972659A (en) * 2015-06-30 2015-10-14 成都思维智造科技有限公司 3D printer nozzle structure
KR101755411B1 (en) * 2015-10-30 2017-07-26 경상대학교산학협력단 Discharging apparatus and 3d printer having the same
CN106738863A (en) * 2017-01-20 2017-05-31 深圳市玖品空气净化科技有限公司 A kind of screw feed formula 3D printing head

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140910

Termination date: 20180417