CN108582789A - A kind of 3D printer feed device that can actively adapt to material - Google Patents

A kind of 3D printer feed device that can actively adapt to material Download PDF

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Publication number
CN108582789A
CN108582789A CN201810841929.5A CN201810841929A CN108582789A CN 108582789 A CN108582789 A CN 108582789A CN 201810841929 A CN201810841929 A CN 201810841929A CN 108582789 A CN108582789 A CN 108582789A
Authority
CN
China
Prior art keywords
feed device
pinch roller
driving wheel
annular groove
printer feed
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.)
Pending
Application number
CN201810841929.5A
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Chinese (zh)
Inventor
张海强
赵建华
陈晓佳
杜俊斌
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.)
Guangzhou Electronic Technology Co Ltd
Original Assignee
Guangzhou Electronic 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 Guangzhou Electronic Technology Co Ltd filed Critical Guangzhou Electronic Technology Co Ltd
Priority to CN201810841929.5A priority Critical patent/CN108582789A/en
Publication of CN108582789A publication Critical patent/CN108582789A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30Auxiliary operations or equipment
    • B29C64/307Handling of material to be used in additive manufacturing
    • B29C64/321Feeding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00Auxiliary operations or equipment, e.g. for material handling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Brushes (AREA)

Abstract

The invention belongs to the field of 3D printing equipment, it discloses a kind of 3D printer feed devices that can actively adapt to material, including pedestal, the pedestal is equipped with driving wheel and pinch roller, the pressing force regulating mechanism for adjusting pinch roller pressing force is connected on the pinch roller, the driving wheel is driven by motor, and the side of the driving wheel is equipped with annular groove, the annular groove is V-shape, and two sides of the annular groove are arranged in order to be formed by multiple V-type teeth;The side of the pinch roller is equipped with the cleaning brush for clearing up annular groove.The device pressing force is adjustable, and combines the driving wheel of the annular groove with V-type tooth, can keep more reliable snap-in force, and it avoids scraping excessive clast in transmission process, meanwhile being aided with cleaning brush to clear up driving wheel, it avoids since there are the generations of caused slipping phenomenon for V-arrangement tooth.

Description

A kind of 3D printer feed device that can actively adapt to material
Technical field
The present invention relates to the field of 3D printing equipment, specially a kind of 3D printer feed device that can actively adapt to material.
Background technology
Three-dimensional printer based on melting fused deposition rapid moulding technique is the plastics silk for using a diameter of 1~2mm or so, The printing extruder head controlled by computer scans at the filament of 0.2~0.4mm or so and successively plastics silk melt extruded Printing is piled into three-dimension object.
The feed device of existing three-dimensional printer mostly uses greatly stationary feed, which stablizes, One diameter material of printing list, fixed wire rod printer machine field have greater advantage, but in practical applications, required to use Wire rod is not uniform diameters.If three-dimensional printer feed device is fixed, when needing to print the material of different-diameter, need Replace entire feed device.In spite of adaptive feed device, but its structure is complex, tedious process, cost control degree are small. Disclosed three-dimensional printer feed device can be divided into two classes.The first kind is stationary feed:Pass through a driving lever and one The position of the driving wheel realization feeding of a connection motor, driving lever and driving wheel is relatively-stationary;Second class be can minizone it is micro- Mode (adaptive) feed device:It can be achieved actively to adapt to material in minizone, but it is very limited actively to adapt to space.
Stationary feed makes motor drive driving wheel rotation by the mechanical mechanism of a set of complexity, while with dynamic pressure The tightly material on driving wheel realizes wire feed.Mechanical feed mechanism is complicated, and high processing costs, to assembly technology require compared with Height is also unfavorable for printer and replaces printing different materials.
Can minizone fine adjustment type (adaptive) feed device, while realizing feeding can in minizone finely tune material it is straight Diameter.Mechanical structure is more complicated, high processing costs, although being adaptive feed device, when its more conversion materials be need it is manual Pressing driving lever could complete to operate.And in the feed device feeding process, driving wheel will produce when driving the material compressed Material powder cannot be cleared up in time, and causing wire feed skidding, wire vent to have some setbacks causes product quality uncontrollable, to influence to print The dimensional accuracy of object, or even there is waste product.
Due to printer feed device Shortcomings disclosed above or inevitable defect, problem to be solved Have:How to make entire feeder structure simple as far as possible, realization can actively adapt to material diameter, and then expand the distant device of pine To the accommodation of different materials;If how a kind of method of simplicity effectively realizes that feeding process is stable, smooth, printing is made to produce Quality, dimensional accuracy all reach requirement, are the problem to be solved in the present invention.
Invention content
The purpose of the present invention is to provide a kind of 3D printer feed device that can actively adapt to material, the device pressing forces It is adjustable, and the driving wheel of the annular groove with V-type tooth is combined, more reliable snap-in force can be kept, and avoid defeated Excessive clast is scraped during sending, meanwhile, it is aided with cleaning brush to clear up driving wheel, avoids beating caused by due to V-arrangement tooth existing The generation of sliding phenomenon.
To achieve the above object, the present invention provides the following technical solutions:A kind of 3D printer that can actively adapt to material is sent Expect that device, including pedestal, the pedestal are equipped with driving wheel and pinch roller, are connected on the pinch roller for adjusting pinch roller pressure The pressing force regulating mechanism of clamp force, the driving wheel are driven by motor, and the side of the driving wheel is equipped with annular groove, institute The annular groove stated is V-shape, and two sides of the annular groove are arranged in order to be formed by multiple V-type teeth;The pinch roller Side be equipped with cleaning brush for clearing up annular groove.
The 3D printer feed device of material can be actively adapted to above-mentioned, the side of the pinch roller is smooth ring Shape curved surface.
The 3D printer feed device of material can be actively adapted to above-mentioned, the pressing force regulating mechanism includes pin Column, torque arm, wheel pressing shaft, the pin and wheel pressing shaft set up separately is arranged with torsional spring on the both ends of torque arm, the pin, described One end of torsional spring be fixed on pedestal, the other end of the torsional spring is fixed in torque arm.
The 3D printer feed device of material can be actively adapted to above-mentioned, the pedestal is equipped with track groove, institute The one end for the wheel pressing shaft stated extends in track groove.
The 3D printer feed device of material can be actively adapted to above-mentioned, the pin is fixed on torsion by clamp spring On arm.
The 3D printer feed device of material can be actively adapted to above-mentioned, the pedestal is equipped with into silk wire leading pipe With wire vent wire leading pipe;Described sets up separately into silk wire leading pipe and wire vent wire leading pipe in the upper and lower position of driving force and pinch roller intersection.
The 3D printer feed device of material can be actively adapted to above-mentioned, the pedestal is equipped with for fixed clear The fixed seat of brush is managed, the fixed seat is equipped with the adjustment hole for adjusting cleaning brush horizontal position.
Compared with prior art, the beneficial effects of the invention are as follows:
Coordinated with the driving wheel with V-type tooth by pinch roller, snap-in force can be improved, under the action of pressing force regulating mechanism The material of excessive raw material thread is avoided to be scraped.Meanwhile being aided with cleaning brush, it can skid to avoid driving wheel, improve the stabilization of wire feed Property.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1;
Fig. 2 is the left view of the embodiment of the present invention 1;
The A-A sectional views of Fig. 2 of Fig. 3 the embodiment of the present invention 1;
The part explosive view of Fig. 4 the embodiment of the present invention 1;
The structural schematic diagram of the driving wheel of Fig. 5 the embodiment of the present invention 1;
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Such as Fig. 1-5, a kind of 3D printer feed device that can actively adapt to material, including pedestal 1, on the pedestal 1 Equipped with driving wheel 2 and pinch roller 3, the pressing force regulating mechanism for adjusting 3 pressing force of pinch roller, institute are connected on the pinch roller 3 The driving wheel 2 stated is driven by motor, and the side of the driving wheel 2 is equipped with annular groove 4, and the annular groove 4 is V-shape, Two sides of the annular groove 4 are arranged in order to be formed by multiple V-type teeth 5, are understood from another angle, two sides Face is in turn connected to form by multi-panel groove, and groove can be that V-type may be cambered surface etc., and the purpose is to make adjacent two The intersection of groove forms the crown of V-arrangement tooth 5;The side of the pinch roller 3 is equipped with the cleaning brush 6 for clearing up annular groove 4.
In actual moving process, raw material thread passes through between pinch roller 3 and driving wheel 2, in the work of pressing force regulating mechanism Under, raw material thread will not be excessively pressed, and driving wheel 2 has the annular groove 4 with V-type tooth 5, can effectively improve wire feed Under the premise of snap-in force, ensure that the raw material on raw material thread will not be scraped by excessive.Meanwhile cleaning brush 6 can improve driving wheel 2 Cleannes, avoid clast gather cause skid the phenomenon that occur.
In the present embodiment, the side of the pinch roller 3 is smooth annular surface.Smooth annular surface and annular groove 4 cooperations, by the way of three point contact, improve the stability of conveying.The mode of three point contact is come compared to other ways of contact It says, contact stabilization is good, and raw material thread is not easy to be damaged.
As the further preferred of the present embodiment, the pressing force regulating mechanism includes pin 7, torque arm 8, wheel pressing shaft 9, The pin 7 and wheel pressing shaft 9 sets up separately is arranged with torsional spring 10 on the both ends of torque arm 8, the pin 7, the torsional spring 10 One end be fixed on pedestal 1, the other end of the torsional spring 10 is fixed in torque arm 8.Pressing force is carried out by torsional spring 10 Adjusting, it is simple in structure, it is reliable for operation.
In order to improve operation stability, the pedestal 1 is equipped with track groove 11, and one end of the wheel pressing shaft 9 extends Into track groove 11.Pinch roller 3 is moved along the track of track groove 11.
In the present embodiment, the pin 7 is fixed on by clamp spring 12 in torque arm 8.
As the further preferred of the present embodiment, the pedestal 1 is equipped with into silk wire leading pipe 13 and wire vent wire leading pipe 14; Described sets up separately into silk wire leading pipe 13 and wire vent wire leading pipe 14 in the upper and lower position of 3 intersection of driving force and pinch roller;The base Seat 1 is equipped with the fixed seat 15 for fixing cleaning brush 6, and the fixed seat 15 is equipped with for adjusting 6 horizontal position of cleaning brush The adjustment hole 16 set.
Driving wheel 2 is equipped with the axis of the axis hole being connected to the motor and the power output end that driving wheel 2 is fixed on to motor Hole mounting hole 17.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.

Claims (7)

1. a kind of 3D printer feed device that can actively adapt to material, including pedestal, the pedestal be equipped with driving wheel and Pinch roller, which is characterized in that the pressing force regulating mechanism for adjusting pinch roller pressing force, the master are connected on the pinch roller Driving wheel is driven by motor, and the side of the driving wheel is equipped with annular groove, and the annular groove is V-shape, the annular Two sides of slot are arranged in order to be formed by multiple V-type teeth;The side of the pinch roller is equipped with for clearing up the clear of annular groove Reason brush.
2. the 3D printer feed device according to claim 1 that can actively adapt to material, which is characterized in that the pressure The side of wheel is smooth annular surface.
3. the 3D printer feed device according to claim 1 that can actively adapt to material, which is characterized in that the pressure Clamp force regulating mechanism includes pin, torque arm, wheel pressing shaft, and the pin and wheel pressing shaft set up separately in the both ends of torque arm, the pin Torsional spring is arranged on column, one end of the torsional spring is fixed on pedestal, and the other end of the torsional spring is fixed in torque arm.
4. the 3D printer feed device according to claim 3 that can actively adapt to material, which is characterized in that the base Seat is equipped with track groove, and one end of the wheel pressing shaft extends in track groove.
5. the 3D printer feed device according to claim 4 that can actively adapt to material, which is characterized in that the pin Column is fixed on by clamp spring in torque arm.
6. the 3D printer feed device according to claim 1 that can actively adapt to material, which is characterized in that the base Seat is equipped with into silk wire leading pipe and wire vent wire leading pipe;Described sets up separately into silk wire leading pipe and wire vent wire leading pipe in driving force and pinch roller The upper and lower position of intersection.
7. the 3D printer feed device according to claim 1 that can actively adapt to material, which is characterized in that the base Seat is equipped with the fixed seat for fixing cleaning brush, and the fixed seat is equipped with the adjusting for adjusting cleaning brush horizontal position Hole.
CN201810841929.5A 2018-07-27 2018-07-27 A kind of 3D printer feed device that can actively adapt to material Pending CN108582789A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810841929.5A CN108582789A (en) 2018-07-27 2018-07-27 A kind of 3D printer feed device that can actively adapt to material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810841929.5A CN108582789A (en) 2018-07-27 2018-07-27 A kind of 3D printer feed device that can actively adapt to material

Publications (1)

Publication Number Publication Date
CN108582789A true CN108582789A (en) 2018-09-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111633985A (en) * 2020-06-05 2020-09-08 中科院广州电子技术有限公司 Automatic switch 3D printer extrusion system who prints

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203818584U (en) * 2014-04-09 2014-09-10 张勇 Third-dimensional (3D) printer feeding mechanism
CN104476773A (en) * 2014-11-27 2015-04-01 浙江工贸职业技术学院 3D printer head capable of feeding silk steadily
US20150165694A1 (en) * 2013-12-13 2015-06-18 Xyzprinting, Inc. Three-dimensional printing apparatus
CN105437550A (en) * 2015-12-18 2016-03-30 济南大学 3D printer wire feeding structure
CN106042380A (en) * 2016-06-13 2016-10-26 福建省博特生物科技有限公司 Method for switching material feeding of printing head of 3D printer
CN107322921A (en) * 2016-04-29 2017-11-07 三纬国际立体列印科技股份有限公司 Three-dimensional printing material silk feed arrangement
CN206633428U (en) * 2017-04-06 2017-11-14 无锡太尔时代科技有限公司 A kind of feed mechanism of 3D printer
KR101853431B1 (en) * 2017-08-21 2018-05-02 주식회사 3디나라 Extruder for 3-dimentional printer
CN208812569U (en) * 2018-07-27 2019-05-03 中科院广州电子技术有限公司 A kind of 3D printer feed device that can actively adapt to material

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150165694A1 (en) * 2013-12-13 2015-06-18 Xyzprinting, Inc. Three-dimensional printing apparatus
CN203818584U (en) * 2014-04-09 2014-09-10 张勇 Third-dimensional (3D) printer feeding mechanism
CN104476773A (en) * 2014-11-27 2015-04-01 浙江工贸职业技术学院 3D printer head capable of feeding silk steadily
CN105437550A (en) * 2015-12-18 2016-03-30 济南大学 3D printer wire feeding structure
CN107322921A (en) * 2016-04-29 2017-11-07 三纬国际立体列印科技股份有限公司 Three-dimensional printing material silk feed arrangement
CN106042380A (en) * 2016-06-13 2016-10-26 福建省博特生物科技有限公司 Method for switching material feeding of printing head of 3D printer
CN206633428U (en) * 2017-04-06 2017-11-14 无锡太尔时代科技有限公司 A kind of feed mechanism of 3D printer
KR101853431B1 (en) * 2017-08-21 2018-05-02 주식회사 3디나라 Extruder for 3-dimentional printer
CN208812569U (en) * 2018-07-27 2019-05-03 中科院广州电子技术有限公司 A kind of 3D printer feed device that can actively adapt to material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111633985A (en) * 2020-06-05 2020-09-08 中科院广州电子技术有限公司 Automatic switch 3D printer extrusion system who prints
CN111633985B (en) * 2020-06-05 2022-03-15 中科院广州电子技术有限公司 Automatic switch 3D printer extrusion system who prints

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