CN203449611U - Wire extrusion device with spring structure for 3D (three-dimension) printer nozzle - Google Patents
Wire extrusion device with spring structure for 3D (three-dimension) printer nozzle Download PDFInfo
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- CN203449611U CN203449611U CN201320557495.9U CN201320557495U CN203449611U CN 203449611 U CN203449611 U CN 203449611U CN 201320557495 U CN201320557495 U CN 201320557495U CN 203449611 U CN203449611 U CN 203449611U
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- end cover
- wire
- wire feed
- spring
- extrusion device
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Abstract
The utility model discloses a wire extrusion device with a spring structure for a 3D (three-dimension) printer nozzle. The wire extrusion device comprises an upper end cover and a lower end cover, wherein the lower end cover is connected with a rotating shaft of a motor, the rotating shaft is connected with a wire feeding wheel, a V-shaped bearing is arranged on one side of the wire feeding wheel and connected with the upper end cover, a spring is arranged on the other side of the wire feeding wheel and connected with the upper end cover and the lower end cover, a wire for printing is embedded between the wire feeding wheel and the V-shaped bearing, and the wire enters the device through a wire feed inlet of the upper end cover. The spring is connected with an inlaid plastic block so as to support against the upper end cover; a V-shaped groove is formed in the V-shaped bearing and matched with the wire, wheel teeth are arranged on the outer surface of the wire feeding wheel, and the grasping force of addendum angles to the wire feeding wheel on the wire can be automatically adjusted through the counter force of the spring and the V-shaped bearing. The wire can be extruded into the nozzle reliably when the wire feeding wheel rotates, the manual installation and regulation difficulty can be effectively avoided, the slippage or wire blocking phenomena generated between the wire feeding wheel and the wire can also be avoided, the precision requirement on the wire can be greatly reduced, and the application range is wide.
Description
Technical field
The utility model relates to a kind of silk material extrusion device for 3D printer head, particularly with the silk of spring structure, expects extrusion device.
Background technology
3D printing technique is actually the general designation of a series of rapid prototyping forming techniques, its basic principle is all lamination manufacture, by rapid prototyping machine, in X-Y plane, by scanning form, formed the cross sectional shape of workpiece, and at Z coordinate, do discontinuously the displacement of slice thickness, finally form three-dimensional product.Rapid shaping technique is in the market divided into 3DP technology, FDM fusion stacking forming technique, SLA stereolithography techniques, SLS precinct laser sintering etc.
FDM fusion stacking forming technique is by thread heat-fusible materials heating and melting, simultaneously three-dimensional shower nozzle under the control of computer, according to cross section profile information, by material selectivity be coated on workbench, cooling rear formation one layer cross section fast.After one formable layer completes, one deck under a machine workbench decline height (being lift height) reshaping, until form whole solid modelling.Its moulding material kind is many, and profiled member intensity is high, precision is higher, is mainly applicable to moulding small plastic part.
At present the 3D printer based on FDM principle in use often can be encountered following problem: 1. in print procedure because of wire feed rolls skid cause not wire vent of shower nozzle or wire vent intermittent; 2. silk stockline footpath dimension overproof, causes shower nozzle stuck.These problems all directly affect the reliability of printer, expect that dimension precision requirement is very high to printing the silk of use simultaneously.
China national Department of Intellectual Property has announced a kind of silk material extrusion mechanism for 3D printer head on June 12nd, 2013, notification number is CN202986109U, the patent No. is 201220715740.X, it comprises drive end bearing bracket and rear end cap, between drive end bearing bracket and rear end cap, be provided with the wire feed rolls that connects motor output shaft, the both sides of wire feed rolls are connected with V-type bearing, between V-type bearing and wire feed rolls, be embedded with and print with silk material, V-type groove on V-type bearing matches with silk material, silk material is adjacent on the gear teeth of wire feed rolls, the clamping force that simultaneously coordinates V bearing to apply silk material, when rotating, wire feed rolls can clamp-on shower nozzle by wearing or featuring stage armour silk material, avoid the skidding producing between wire feed rolls and silk material.Although it has certain effect that wire feed rolls and silk material skid that prevents, through actual use test, it still cannot stop the generation of skidding, thereby affects product quality.
Utility model content
The purpose of this utility model is to provide a kind of silk material extrusion device with spring structure for 3D printer head, can effectively avoid wire feed rolls and the skidding of silk material.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of silk material extrusion device with spring structure for 3D printer head, comprise upper end cover and bottom end cover, bottom end cover connects the turning cylinder of motor, turning cylinder connects wire feed rolls, it is characterized in that: a side of wire feed rolls is provided with V-type bearing, and V-type bearing is connected with upper end cover, the opposite side of wire feed rolls is provided with spring, spring connects upper end cover and bottom end cover, is embedded with and prints with silk material between wire feed rolls and V-type bearing, and silk material is by the wire feed hole access to plant of upper end cover.
Further, bottom end cover bottom is connected with embedding plastic piece, embedding plastic piece is fixed on bottom end cover by the second bolt, bottom end cover and embedding plastic agllutination close formation groove, spring bottom connecting groove, top and the upper end cover of spring offset, and the reaction force by spring is adjacent to silk material on wire feed rolls.
Further, the V-type groove on V-type bearing matches with silk material, further silk material is adjacent on wire feed rolls.
Further, the outer surface of wire feed rolls is provided with the gear teeth.
Further, the addendum angle of the gear teeth is acute angle.
Further, the angle of addendum angle is 10-20 degree.
Further, upper end cover is provided with connecting axle, and connecting axle is connected with V-type bearing, and V-type bearing is held on connecting axle by hold assembly, and hold assembly relies on and is bolted in upper end cover.
Further, be connected with the axle sleeve and the first bolt that match on hold assembly, axle sleeve is connected upper end cover and bottom end cover with the first bolt, realizes upper end cover rotating relative to bottom end cover.
The utility model, owing to having adopted technique scheme, has following beneficial effect:
When motor shaft rotates while carrying out wire feed, the grasp of the addendum angle that reaction force and the V-type bearing by spring can regulate wire feed rolls automatically to silk material.When wire feed rolls rotates, can clamp-on shower nozzle by wearing or featuring stage armour silk material, effectively avoid artificial installation to regulate difficulty, that can avoid again producing between wire feed rolls and silk material skids or blocks a phenomenon simultaneously, greatly reduces the required precision to silk material.Also can be applicable to the silk material that size difference, material hardness are different, the scope of application is large.The utility model manufacture is simultaneously easy, cost is low, practical.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the schematic diagram of a kind of silk material extrusion device with spring structure for 3D printer head of the utility model;
Fig. 2 is another axle direction finding structural representation of the utility model;
Fig. 3 is the structural representation of upper end cover direction of the present utility model;
Fig. 4 is explosive view of the present utility model;
Fig. 5 is I place structure enlarged diagram in Fig. 4.
The specific embodiment
As shown in Figures 1 to 5, for a kind of silk material extrusion device with spring structure for 3D printer head of the utility model, comprise upper end cover 1 and bottom end cover 2, between upper end cover 1 and bottom end cover 2, by the axle sleeve 10 matching, be connected with the first bolt 11, bottom end cover 2 one sides connect upper end cover 1, bottom end cover 2 opposite sides connect motor 13, motor 13 is provided with turning cylinder 14, turning cylinder 14 covers have wire feed rolls 15, turning cylinder 14 is connected bottom end cover 2 with wire feed rolls 15 through bottom end cover 2 intermediate shaft holes, bottom end cover 2 bottoms connect embedding plastic piece 4 by the second bolt 8, wire feed rolls 15 is embedded on embedding plastic piece 4, after connecting, form groove 16 simultaneously.Turning cylinder 14 rotates and drives wire feed rolls 15 to rotate, and the outer surface of wire feed rolls 15 is provided with the gear teeth 7, and the addendum angle of the gear teeth 7 is acute angle, and the angle of addendum angle is 10-20 degree.One side of wire feed rolls 15 is connected with V-type bearing 12, upper end cover 1 is provided with connecting axle 17, connecting axle 17 is connected with V-type bearing 12, V-type bearing 12 is held on the connecting axle 17 of upper end cover 1 by hold assembly 3, bolt 9 is fixed on hold assembly 3 in upper end cover 1, is embedded with and prints with silk material 6 between V-type bearing 12 and wire feed rolls 15, and silk material 6 is by the wire feed hole access to plant of upper end cover 1, V-type groove on V-type bearing 12 matches with silk material 6, and silk material 6 is adjacent on the gear teeth 7 of wire feed rolls 15; The opposite side of wire feed rolls 15 is connected with spring 5, spring 5 bottoms are positioned on the groove 16 of bottom end cover 1 formation with 4 combinations of embedding plastic piece, top and upper end cover 1 offset, turning cylinder on motor 13 rotates while driving wire feed rolls 15 to rotate, wire feed rolls 15 is clamp-oned silk material 6 between V-type bearing 12 and wire feed rolls 15, silk material 6 can make upper end cover 1 produce certain torque, thereby upper end cover 1 is rotated around the first bolt 11, upper end cover 1 Compress Spring 5, makes spring 5 produce restoring force and regulates wire feed rolls 15 and the grasp of V-type bearing to silk material 6.
The addendum angle of wire feed rolls 15 can hold on to silk material 6, coordinate the restoring force of spring 5 and the grasp of the addendum angle of the automatic adjusting wire feed rolls 15 of V-type bearing 12 to silk material 6 simultaneously, when rotating, wire feed rolls 15 can reliably silk material 6 be clamp-oned to shower nozzle, effectively avoid the skidding producing between wire feed rolls 15 and silk material 6, greatly reduce the required precision to silk material 6 simultaneously, also can be applicable to the silk material 6 that size difference, material hardness are different, the scope of application is large.
These are only specific embodiment of the utility model, but the technical characterictic of utility model is not limited to this.Anyly take the utility model as basis, for solving essentially identical technical problem, realize essentially identical technique effect, done ground simple change, be equal to and replace or modification etc., be all covered by among protection domain of the present utility model.
Claims (8)
1. the silk with spring structure for 3D printer head is expected extrusion device, comprise upper end cover (1) and bottom end cover (2), described bottom end cover (2) connects the turning cylinder (14) of motor (13), described turning cylinder (14) connects wire feed rolls (15), it is characterized in that: a side of described wire feed rolls (15) is provided with V-type bearing (12), described V-type bearing (12) is connected with described upper end cover (1), the opposite side of described wire feed rolls (15) is provided with spring (5), described spring (5) connects described upper end cover (1) and described bottom end cover (2), between described wire feed rolls (15) and described V-type bearing (12), be embedded with and print with silk material (6), described silk material (6) is by the wire feed hole access to plant of described upper end cover (1).
2. a kind of silk with spring structure for 3D printer head according to claim 1 is expected extrusion device, it is characterized in that: described bottom end cover (2) bottom is connected with embedding plastic piece (4), described embedding plastic piece (4) is fixed on described bottom end cover (2) by the second bolt (8), described bottom end cover (2) forms groove (16) with described embedding plastic piece (4) combination, described spring (5) bottom connects described groove (16), the top of described spring (5) and described upper end cover (1) offset, reaction force by described spring (5) is adjacent to described silk material (6) on described wire feed rolls (15).
3. a kind of silk with spring structure for 3D printer head according to claim 1 is expected extrusion device, it is characterized in that: the V-type groove on described V-type bearing (12) and described silk material (6) match, and further described silk material (6) are adjacent on described wire feed rolls (15).
4. a kind of silk material extrusion device with spring structure for 3D printer head according to claim 1, is characterized in that: the outer surface of described wire feed rolls (15) is provided with the gear teeth (7).
5. a kind of silk material extrusion device with spring structure for 3D printer head according to claim 4, is characterized in that: the addendum angle of the described gear teeth (7) is acute angle.
6. a kind of silk material extrusion device with spring structure for 3D printer head according to claim 5, is characterized in that: the angle of described addendum angle is 10-20 degree.
7. a kind of silk with spring structure for 3D printer head according to claim 1 is expected extrusion device, it is characterized in that: described upper end cover (1) is provided with connecting axle (17), described connecting axle (17) is connected with described V-type bearing (12), it is upper that described V-type bearing (12) is held on described connecting axle (17) by hold assembly (3), and described hold assembly (3) relies on bolt (9) to be fixed in described upper end cover (1).
8. a kind of silk with spring structure for 3D printer head according to claim 7 is expected extrusion device, it is characterized in that: on described hold assembly (3), be connected with the axle sleeve (10) and the first bolt (11) that match, described axle sleeve (10) is connected described upper end cover (1) and described bottom end cover (2) with described the first bolt (11), realize described upper end cover (1) rotating relative to described bottom end cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320557495.9U CN203449611U (en) | 2013-09-09 | 2013-09-09 | Wire extrusion device with spring structure for 3D (three-dimension) printer nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320557495.9U CN203449611U (en) | 2013-09-09 | 2013-09-09 | Wire extrusion device with spring structure for 3D (three-dimension) printer nozzle |
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| Publication Number | Publication Date |
|---|---|
| CN203449611U true CN203449611U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320557495.9U Expired - Lifetime CN203449611U (en) | 2013-09-09 | 2013-09-09 | Wire extrusion device with spring structure for 3D (three-dimension) printer nozzle |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103552241A (en) * | 2013-10-14 | 2014-02-05 | 东南大学 | Adaptive feeder for 3D printer head |
| CN104085112A (en) * | 2014-07-11 | 2014-10-08 | 东莞中国科学院云计算产业技术创新与育成中心 | 3D printer head and method for regulating and controlling speed and precision of 3D printer head |
| CN104228066A (en) * | 2014-07-15 | 2014-12-24 | 李宏杰 | Manual feeding and temperature-scope-adjustable 3D (Three-Dimensional) printing pen |
| CN104890244A (en) * | 2015-06-11 | 2015-09-09 | 浙江闪铸三维科技有限公司 | Motor extrusion head for 3D printer |
| CN105313246A (en) * | 2014-08-01 | 2016-02-10 | 圣泓工业设计创意有限公司 | Wire-feeding assembly of 3D printer |
| CN105643928A (en) * | 2015-07-30 | 2016-06-08 | 河南仕必得电子科技有限公司 | Printer head wire feeding device for 3D printer |
| CN106064477A (en) * | 2016-06-02 | 2016-11-02 | 北京易速普瑞科技有限公司 | A kind of fast changeable 3D printing head |
| CN106363922A (en) * | 2016-10-10 | 2017-02-01 | 南京航空航天大学 | Remote extruder of FDM three-dimensional printer with kossel structure |
| KR101741819B1 (en) * | 2015-07-01 | 2017-05-30 | 김태문 | Apparatus for feeding the filament |
| CN106738881A (en) * | 2016-12-30 | 2017-05-31 | 浙江盛泰防务科技有限公司 | A kind of silk extrusion device for 3D printer shower nozzle |
| CN109703027A (en) * | 2018-12-21 | 2019-05-03 | 河南筑诚电子科技有限公司 | A kind of long-range metal plate extruder of 3D printer |
-
2013
- 2013-09-09 CN CN201320557495.9U patent/CN203449611U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103552241B (en) * | 2013-10-14 | 2016-04-13 | 东南大学 | A kind of self adaptation pay-off for 3D printer head |
| CN103552241A (en) * | 2013-10-14 | 2014-02-05 | 东南大学 | Adaptive feeder for 3D printer head |
| CN104085112A (en) * | 2014-07-11 | 2014-10-08 | 东莞中国科学院云计算产业技术创新与育成中心 | 3D printer head and method for regulating and controlling speed and precision of 3D printer head |
| CN104085112B (en) * | 2014-07-11 | 2016-08-31 | 东莞中国科学院云计算产业技术创新与育成中心 | A kind of 3D printer head and speed and precision thereof regulate and control method |
| CN104228066A (en) * | 2014-07-15 | 2014-12-24 | 李宏杰 | Manual feeding and temperature-scope-adjustable 3D (Three-Dimensional) printing pen |
| CN105313246A (en) * | 2014-08-01 | 2016-02-10 | 圣泓工业设计创意有限公司 | Wire-feeding assembly of 3D printer |
| CN104890244A (en) * | 2015-06-11 | 2015-09-09 | 浙江闪铸三维科技有限公司 | Motor extrusion head for 3D printer |
| KR101741819B1 (en) * | 2015-07-01 | 2017-05-30 | 김태문 | Apparatus for feeding the filament |
| CN105643928A (en) * | 2015-07-30 | 2016-06-08 | 河南仕必得电子科技有限公司 | Printer head wire feeding device for 3D printer |
| CN106064477A (en) * | 2016-06-02 | 2016-11-02 | 北京易速普瑞科技有限公司 | A kind of fast changeable 3D printing head |
| CN106363922A (en) * | 2016-10-10 | 2017-02-01 | 南京航空航天大学 | Remote extruder of FDM three-dimensional printer with kossel structure |
| CN106738881A (en) * | 2016-12-30 | 2017-05-31 | 浙江盛泰防务科技有限公司 | A kind of silk extrusion device for 3D printer shower nozzle |
| CN109703027A (en) * | 2018-12-21 | 2019-05-03 | 河南筑诚电子科技有限公司 | A kind of long-range metal plate extruder of 3D printer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG FLASHFORGE 3D TECHNOLOGY CO., LTD. Free format text: FORMER NAME: JINHUA SHANZHU TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 321000 standard factory building No. 518, fairy Road, Wucheng District, Zhejiang, Jinhua B-F3 Patentee after: ZHEJIANG FLASHFORGE 3D TECHNOLOGY Co.,Ltd. Address before: 321000 No. 428-440, building 01, R & D center, 855 Xian Yuan Road, Zhejiang, Jinhua Patentee before: JINHUA SHANZHU TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |
|
| CX01 | Expiry of patent term |