CN205889903U - Three -dimensional structure of printing of doubles printer head coordinated type FDM based on switching -over of two -way lead screw - Google Patents
Three -dimensional structure of printing of doubles printer head coordinated type FDM based on switching -over of two -way lead screw Download PDFInfo
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- CN205889903U CN205889903U CN201620847633.0U CN201620847633U CN205889903U CN 205889903 U CN205889903 U CN 205889903U CN 201620847633 U CN201620847633 U CN 201620847633U CN 205889903 U CN205889903 U CN 205889903U
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Abstract
The utility model discloses a based on the three -dimensional structure of printing of the doubles printer head coordinated type FDM of two -way lead screw switching -over, including drive module, two -way lead screw conversion module and nozzle unit, print shower nozzle mounting substrate, right side guide rail, rail block, bottom plate, left side guide rail and left side through bearing frame, bearing, two -way lead screw, first section screw rod sliding block, first section levogyration screw nut, second section screw rod sliding block, second section dextrorotation screw nut, right side and print the inter combination of shower nozzle mounting substrate, constitute linkage elevating system. The beneficial effects of the utility model reside in that through two -way lead screw conversion module for about the side print shower nozzle lifts that can link, guarantee in the FDM forming process shower nozzle and print the piece not take place to scratch or interfere, can effectively improve the formed part qualification rate, it is fast to have a response, movement accuracy is high, the structure is succinct, the characteristics of easily realization.
Description
Technical field
This utility model is related to a kind of fdm 3 D-printing structure, the more particularly, to double printheads based on the commutation of two-way leading screw
Coordinated type fdm 3 D-printing structure.
Background technology
There is the fdm printing device of double printing heads at present on the market, between generally existing printing head and drip molding
The problem scratching and interfering.In forming process, when a printing head executes one section of print routine in both given layers, because of two
The height of shower nozzle is consistent substantially, once formed material on operating path has raised or burr, may result in
Interfere between idle nozzle and drip molding, serious meeting causes whole drip molding to depart from substrate, leads to print unsuccessfully.Cause
And, design a kind of pair of printhead linkage lifting, nozzle idle when ensureing to print do not interfered with printing-forming part,
Ensure that the smooth and convenient tool changed back and forth between two shower nozzles is of great significance simultaneously again.
Content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the utility model discloses based on two-way leading screw commutation double printheads
Coordinated type fdm 3 D-printing structure, including drive module, two-way leading screw modular converter and nozzle unit, described two-way leading screw turns
Die change block includes bearing block, bearing, two-way leading screw, upper semisection screw slider, the left-handed feed screw nut of upper semisection, lower semisection leading screw cunning
Block, lower semisection dextrorotation feed screw nut, right side printing head installation base plate, right rail, guide rail slide block, base plate, left rail and
Left side printing head installation base plate, described base plate lower left quarter and right lower quadrant pass through to lead on the left of the fixation of guide rail anchor bolt nut respectively
Rail and right rail, described left rail and right rail are separately installed with guide rail slide block, and described bearing block passes through bearing block
Installation bolt nut is installed on base plate middle and upper part, is provided with bearing in bearing block, and described bearing is provided with two-way leading screw, described
Upper semisection screw slider is installed on two-way leading screw top, described lower semisection silk by leading screw screw and the left-handed feed screw nut of upper semisection
Thick stick slide block is installed on two-way leading screw bottom by leading screw screw and lower semisection dextrorotation feed screw nut, and described right side printing head is installed
Substrate one end is fixed on the guide rail slide block of right rail by printing head installation base plate screw, and the other end passes through screw slider
Screw is fixed on lower semisection screw slider, and printing head installation base plate spiral shell is passed through in described left side printing head installation base plate one end
Nail is fixed on the guide rail slide block of left rail, and the other end is fixed on upper semisection screw slider by screw slider screw.
The disclosed double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw of this utility model, described
Drive module includes adjusting motor, motor cabinet and shaft coupling, and described motor cabinet is installed on bottom by motor cabinet installation bolt nut
Plate top, described adjustment motor is installed on motor cabinet upper end by motor mounting screw, and the rotary shaft of adjustment motor passes through shaft coupling
Device connects bearing.
The disclosed double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw of this utility model, described
Nozzle unit include right side printing head and left side printing head, described right side printing head is installed on right side printing head peace
On dress substrate, described left side printing head is installed on the printing head installation base plate of left side.
The disclosed double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw of this utility model, described
Shaft coupling by holding screw with adjustment motor rotary shaft be fixedly connected.
The disclosed double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw of this utility model, described
Adjustment motor be motor or servomotor.
The disclosed double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw of this utility model, described
Shaft coupling be positive coupling, yielding coupling, plum coupling or diaphragm coupling.
The disclosed double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw of this utility model, described
The left-handed feed screw nut of upper semisection and lower semisection dextrorotation feed screw nut adopt bent-tube boiler nut, circulator's formula nut or end cover type spiral shell
Female.
The disclosed double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw of this utility model, described
Bearing be deep groove ball bearing, angular contact ball bearing or taper roll bearing.
The disclosed double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw of this utility model, described
Bearing block be bearing seat with spherical outside surface, vertical shaft bearing or precision ball screw bearing block.
Compared with prior art, the beneficial effects of the utility model are by two-way leading screw modular converter so that left and right
Side printing head can link and lift it is ensured that shower nozzle and printout do not occur to scratch or interfere in fdm forming process, can be effective
Improve profiled member qualification rate, have that response is fast, kinematic accuracy is high, simple for structure, it is easy to accomplish feature.
Brief description
Fig. 1 is the disclosed double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw of this utility model
Structural representation.
Fig. 2 is the disclosed double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw of this utility model
Front view.
Fig. 3 is the disclosed double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw of this utility model
Right side printing head and guide rails assembling position partial structural diagram.
The disclosed double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw of Fig. 4 this utility model
The front view of two-way leading screw.
Specific embodiment
With reference to the accompanying drawings and detailed description, it is further elucidated with this utility model it should be understood that following specific embodiment party
Formula is merely to illustrate this utility model rather than limits scope of the present utility model, after having read this utility model, this
The modification of the various equivalent form of values to utility model for the skilled person all falls within the model that the application claims are limited
Enclose.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the utility model discloses being linked based on double printheads of two-way leading screw commutation
Formula fdm 3 D-printing structure, including drive module, two-way leading screw modular converter and nozzle unit, described two-way leading screw modulus of conversion
Block includes bearing block 4, bearing 5, two-way leading screw 6, upper semisection screw slider 7, the left-handed feed screw nut of upper semisection 8, lower semisection leading screw
Slide block 9, lower semisection dextrorotation feed screw nut 10, right side printing head installation base plate 11, right rail 12, guide rail slide block 13, base plate
14th, it is solid that left rail 16 and left side printing head installation base plate 18, described base plate 14 lower left quarter and right lower quadrant pass through guide rail respectively
Determine bolt and nut 22 and be fixed with left rail 16 and right rail 12, described left rail 16 and right rail 12 are respectively mounted
There is guide rail slide block 13, described bearing block 4 is installed on base plate 14 middle and upper part, in bearing block 4 by bearing block installation bolt nut 23
Bearing 5 is installed, described bearing 5 is provided with two-way leading screw 6, described upper semisection screw slider 7 passes through leading screw screw 20 and upper
Half section of left-handed feed screw nut 8 is installed on two-way leading screw 6 top, and described lower semisection screw slider 9 passes through leading screw screw 20 and lower half
Section dextrorotation feed screw nut 10 is installed on two-way leading screw 6 bottom, and described right side printing head installation base plate 11 one end is sprayed by printing
Head installation base plate screw 21 is fixed on the guide rail slide block 13 of right rail 12, and the other end is fixed on by screw slider screw 19
On lower semisection screw slider 9, it is solid that printing head installation base plate screw 21 is passed through in described left side printing head installation base plate 18 one end
On the guide rail slide block 13 of left rail 16, the other end is fixed on upper semisection screw slider 7 by screw slider screw 19.
As one kind preferably, described drive module includes adjusting motor 1, motor cabinet 2 and shaft coupling 3, and described motor cabinet 2 leads to
Cross motor cabinet installation bolt nut 24 and be installed on base plate 14 top, described adjustment motor 1 is installed on by motor mounting screw 26
Motor cabinet 2 upper end, the rotary shaft of adjustment motor 1 connects bearing 5 by shaft coupling 3.
As one kind preferably, described nozzle unit includes right side printing head 15 and left side printing head 17, the described right side
Side printing head 15 is installed on the printing head installation base plate 11 of right side, and described left side printing head 17 is installed on left side and prints spray
On head installation base plate 18.
As one kind preferably, described shaft coupling 3 is fixedly connected with the rotary shaft of adjustment motor 1 by holding screw 25.
As one kind preferably, described adjustment motor 1 is motor or servomotor.
As one kind preferably, described shaft coupling 3 is positive coupling, yielding coupling, plum coupling or diaphragm shaft coupling
Device.
As a kind of preferably, the left-handed feed screw nut 8 of described upper semisection and lower semisection dextrorotation feed screw nut 10 adopt bent-tube boiler
Nut, circulator's formula nut or end cover type nut.
As one kind preferably, described bearing 5 is deep groove ball bearing, angular contact ball bearing or taper roll bearing.
As one kind preferably, described bearing block 4 is bearing seat with spherical outside surface, vertical shaft bearing or precision ball screw bearing
Seat.
This utility model operationally, when adjustment motor 1 turns clockwise, connects adjustment motor 1 using shaft coupling 3 and rotates
The bearing 5 also concomitant rotation of axle, and drive two-way leading screw 6 to rotate, now lower semisection dextrorotation feed screw nut 10 moves up, and passes through
Right side printing head installation base plate 11 drives right side printing head 15 entirety to move up.Meanwhile, the left-handed feed screw nut of upper semisection 8
Move down, drive left side printing head 17 entirety to move down by left side printing head installation base plate 18, left and right sides prints
Shower nozzle just can link lifting.If changing the direction of rotation of adjustment motor 1, from being changed into counterclockwise clockwise, then right side prints spray
15 overall move down, left side printing head 17 is overall to move up.
The linkage promoting and demoting mechanism that this utility model adopts is directed to whole printing head.If doing linkage lifting just for nozzle,
Relative motion then can be produced between nozzle and silk material.As long as nozzle causes certain stretching or compression, Jiu Huizao to silk material
Become having some setbacks of silk material supply, even result in printing silk material interruption.During original state, the height of two printing heads is not consistent,
Need to ensure that certain altitude is poor, when changing printing head, change the relative altitude position of two printing heads by adjusting motor 1.
In whole process, the converse routine between shower nozzle needs to be consistent with adjustment motor 1 drive signal, to ensure switching motion
Smoothness and accuracy.
Claims (9)
1. the double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw, turn including drive module, two-way leading screw
Die change block and nozzle unit it is characterised in that: described two-way leading screw modular converter includes bearing block (4), bearing (5), two-way silk
Thick stick (6), upper semisection screw slider (7), the left-handed feed screw nut of upper semisection (8), lower semisection screw slider (9), lower semisection dextrorotation silk
Thick stick nut (10), right side printing head installation base plate (11), right rail (12), guide rail slide block (13), base plate (14), left side are led
Rail (16) and left side printing head installation base plate (18)；Described base plate (14) lower left quarter and right lower quadrant fix spiral shell by guide rail respectively
The fixing left rail (16) of bolt nut (22) and right rail (12), described left rail (16) and right rail (12) are upper respectively
Guide rail slide block (13) is installed, described bearing block (4) is installed in base plate (14) by bearing block installation bolt nut (23)
Portion, is provided with bearing (5), described bearing (5) is provided with two-way leading screw (6), described upper semisection screw slider in bearing block (4)
(7) pass through leading screw screw (20) and the left-handed feed screw nut of upper semisection (8) is installed on two-way leading screw (6) top, described lower semisection silk
Thick stick slide block (9) passes through leading screw screw (20) and lower semisection dextrorotation feed screw nut (10) is installed on two-way leading screw (6) bottom, the described right side
Leading of right rail (12) is fixed on by printing head installation base plate screw (21) in side printing head installation base plate (11) one end
On rail slide block (13), the other end is fixed on lower semisection screw slider (9) by screw slider screw (19), and described left side prints
The guide rail slide block of left rail (16) is fixed on by printing head installation base plate screw (21) in shower nozzle installation base plate (18) one end
(13), on, the other end is fixed on upper semisection screw slider (7) by screw slider screw (19).
2. the double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw according to claim 1, it is special
Levy and be: described drive module includes adjusting motor (1), motor cabinet (2) and shaft coupling (3), and described motor cabinet (2) passes through electricity
Support installation bolt nut (24) is installed on base plate (14) top, and described adjustment motor (1) is passed through motor mounting screw (26) and pacified
It is loaded on motor cabinet (2) upper end, the rotary shaft of adjustment motor (1) connects bearing (5) by shaft coupling (3).
3. the double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw according to claim 1, it is special
Levy and be: described nozzle unit includes right side printing head (15) and left side printing head (17), described right side printing head
(15) it is installed on right side printing head installation base plate (11), described left side printing head (17) is installed on left side printing head peace
On dress substrate (18).
4. the double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw according to claim 2, it is special
Levy and be: described shaft coupling is fixedly connected with the rotary shaft of adjustment motor (1) by holding screw.
5. the double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw according to claim 2, it is special
Levy and be: described adjustment motor is motor or servomotor.
6. the double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw according to claim 2, it is special
Levy and be: described shaft coupling is positive coupling, yielding coupling, plum coupling or diaphragm coupling.
7. the double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw according to claim 1, it is special
Levy and be: the left-handed feed screw nut of described upper semisection and lower semisection dextrorotation feed screw nut adopt bent-tube boiler nut, circulator's formula spiral shell
Mother or end cover type nut.
8. the double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw according to claim 1, it is special
Levy and be: described bearing is deep groove ball bearing, angular contact ball bearing or taper roll bearing.
9. the double printhead coordinated type fdm 3 D-printing structures based on the commutation of two-way leading screw according to claim 1, it is special
Levy and be: described bearing block is bearing seat with spherical outside surface, vertical shaft bearing or precision ball screw bearing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620847633.0U CN205889903U (en) | 2016-08-08 | 2016-08-08 | Three -dimensional structure of printing of doubles printer head coordinated type FDM based on switching -over of two -way lead screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620847633.0U CN205889903U (en) | 2016-08-08 | 2016-08-08 | Three -dimensional structure of printing of doubles printer head coordinated type FDM based on switching -over of two -way lead screw |
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| Publication Number | Publication Date |
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| CN205889903U true CN205889903U (en) | 2017-01-18 |
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| CN201620847633.0U Active CN205889903U (en) | 2016-08-08 | 2016-08-08 | Three -dimensional structure of printing of doubles printer head coordinated type FDM based on switching -over of two -way lead screw |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380939A (en) * | 2018-05-15 | 2018-08-10 | 浙江屹立机器人科技有限公司 | A kind of transmission mechanism of oblique lathe bed set class puncher |
| CN110437972A (en) * | 2019-07-22 | 2019-11-12 | 华中科技大学 | A kind of more spray heads suitable for biological 3D printer are without interference switching device and method |
| CN110884130A (en) * | 2019-10-29 | 2020-03-17 | 江苏时间环三维科技有限公司 | Printing head switching device of 3D printer |
-
2016
- 2016-08-08 CN CN201620847633.0U patent/CN205889903U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380939A (en) * | 2018-05-15 | 2018-08-10 | 浙江屹立机器人科技有限公司 | A kind of transmission mechanism of oblique lathe bed set class puncher |
| CN110437972A (en) * | 2019-07-22 | 2019-11-12 | 华中科技大学 | A kind of more spray heads suitable for biological 3D printer are without interference switching device and method |
| CN110884130A (en) * | 2019-10-29 | 2020-03-17 | 江苏时间环三维科技有限公司 | Printing head switching device of 3D printer |
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Effective date of registration: 20180911 Address after: 243000 207 office building, 159 South Hu Road, Ma'anshan economic and Technological Development Zone, Anhui Patentee after: Anhui tyre Holdings Group Limited by Share Ltd Address before: 211111 Nanjing Zijin (Jiangning) Science and Technology Entrepreneurship Special Community, Nanjing, Jiangsu Province (No. 12, Jizhou East Road, Jiling Street, Jiangning District) Patentee before: NANJING RESEARCH INSTITUTE OF ADDITIVE MANUFACTURING DEVELOPMENT CO., LTD. |