CN208197578U - A kind of drive mechanism of 3D printer - Google Patents
A kind of drive mechanism of 3D printer Download PDFInfo
- Publication number
- CN208197578U CN208197578U CN201820592050.7U CN201820592050U CN208197578U CN 208197578 U CN208197578 U CN 208197578U CN 201820592050 U CN201820592050 U CN 201820592050U CN 208197578 U CN208197578 U CN 208197578U
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- CN
- China
- Prior art keywords
- transmission group
- coaster
- connecting rod
- bulb
- force piece
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Abstract
The utility model provides a kind of drive mechanism of 3D printer, including the first transmission group, second transmission group and third transmission group, the first transmission group, second transmission group is identical with the structure of third transmission group, and it is respectively provided on three sides of printing head base, the first transmission group, second transmission group and third transmission group respectively with the first coaster, second coaster is connected with third coaster, first transmission group includes Left Drive bar, right drive rod, the inner end for the bulb being connect with the Left Drive bar upper end, the inner end for the bulb connecting with right drive rod upper end is separately fixed at intermediate mass both ends, intermediate mass is located on the medial surface of coaster, the inner end for the bulb being connect with Left Drive bar lower end, the inner end for the bulb connecting with right drive rod lower end is separately fixed on the both ends of first connecting rod.The utility model has the beneficial effects that the step of allowing drive rod to be integrally formed, eliminating artificial assembling drive rod, avoids the deviation as caused by assembly.
Description
Technical field
The utility model belongs to 3D printing technique field, more particularly, to a kind of drive mechanism of 3D printer.
Background technique
At present the drive rod of parallel arm 3D printer on the market usually all using two oscillating bearings and 1 plastic bar or
Carbon fiber bar is combined together, since the 3D printer of this parallel arm is to the more demanding of these drive rods, each transmission
The length of bar must be equal, and the oscillating bearing direction on each drive rod is consistent.
Parallel arm 3D printer on the market is all to take two flake bearings and a plastic bar or carbon fiber bar viscous
It is combined, there is artificial rigging error in this way, the direction of the length or oscillating bearing that lead to each drive rod is horizontal
There are errors for degree, influence the printing precision of 3D printer, or even be difficult to replace the drive rod of equal length in replacement process.
Utility model content
The purpose of the utility model is to provide the step of one kind eliminates artificial assembling drive rod, it is conveniently replaceable equal length
Connecting rod and substantially increase printing precision 3D printer drive mechanism, be especially suitable on 3D printer.
The technical solution of the utility model is: a kind of drive mechanism of 3D printer, including the first transmission group, the second transmission
Group and third transmission group, the first transmission group, the second transmission group are identical with the structure of third transmission group,
It is respectively equipped with first connecting rod, the second connecting rod and third connecting rod on three sides of printing head base, is beaten
Print head pedestal is structure as a whole with first connecting rod, the second connecting rod and third connecting rod, and the first transmission group, second pass
Group and third transmission group one end is sent to pass through first connecting rod, the second connecting rod and third connecting rod and printing head base phase respectively
Even, it and is respectively provided on three sides of printing head base, the first transmission group, the second transmission group and third transmission group are another
One end is connected with the first coaster, the second coaster and third coaster respectively,
The first transmission group includes Left Drive bar, right drive rod, and the Left Drive bar, the both ends of right drive rod are equal
There are the inner hole of spherical surface, which is used cooperatively with bulb, and bulb is caught in inner hole, connect with the Left Drive bar upper end
The inner end of bulb, the bulb being connect with right drive rod upper end inner end be separately fixed at intermediate mass both ends, the intermediate mass is set
On the medial surface of the first coaster, intermediate mass is structure as a whole with the first coaster, the ball connecting with the Left Drive bar lower end
The inner end of head, the inner end for the bulb connecting with right drive rod lower end are separately fixed on the both ends of first connecting rod.
Further, bulb includes intermediate and the terminal pad that is connected with intermediate both ends, and the terminal pad is located at centre
On block or connecting rod, the terminal pad at the intermediate and both ends is structure as a whole.
Further, first coaster, the second coaster and third coaster pass through the first force piece, the second force piece respectively
It is located on the first, second and third support column of printer case with third force piece.
Further, first coaster, the second coaster are identical with the structure of third coaster, first force piece,
Second force piece is identical with the structure of third force piece, and the lateral surface of first coaster is set there are two linear bearing, the
It is set in one support column there are two longitudinal optical axis, the cooperation of linear bearing described in two is located on two longitudinal optical axises, and first is synchronous
The first coaster, the second coaster and third coaster, the first force piece packet are respectively fixed on band, the second synchronous belt and third synchronous belt
Stepper motor, synchronizing wheel are included, the stepper motor is located on the inside of top printer plate, and the axis of stepper motor is connected with synchronizing wheel,
The synchronizing wheel is connected with the first synchronous belt.
The utility model has the advantages and positive effects of: due to the adoption of the above technical scheme, allow drive rod one at
Type eliminates artificial the step of assembling drive rod, avoids the deviation as caused by assembly；Improve the production effect of drive rod
Rate also ensures the consistency of every transmission pole length, and the connecting rod for matching equal length again is not needed when replacing drive rod, is made
The maintenance for obtaining 3D printer becomes simple and convenient；The equal length of each drive rod can be provided with the precision of 3D printer
Effect ensures；In addition, cooperation is equally integrally formed coaster and printing head base, drive rod can be greatly improved
The depth of parallelism also substantially increases printing precision.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is drive mechanism overall package figure.
Fig. 3 is the monnolithic case schematic diagram of Left Drive bar.
Fig. 4 is the structural schematic diagram of bulb.
In figure:
| 1, printing head base | 2, the first transmission group | 3, the second transmission group |
| 4, third transmission group | 5, first connecting rod | 6, the second connecting rod |
| 7, three connecting rod | 8, the first coaster | 9, Left Drive bar |
| 10, right drive rod | 11, bulb | 12, intermediate mass |
| 13, intermediate | 14, terminal pad | 15, top printer plate |
| 16, the first support column | 17, the second support column | 18, third support column |
| 19, longitudinal optical axis | 20, the first synchronous belt |
Specific embodiment
As shown in Figs 1-4, the technical solution of the utility model is a kind of drive mechanism of 3D printer, including the first transmission
The 2, second transmission group 3 of group and third transmission group 4, the first transmission group 2, the structure of the second transmission group 3 and third transmission group 4
It is identical,
First connecting rod 5, the second connecting rod 6 and third connecting rod are respectively equipped on three sides of printing head base 1
7, printing head base 1 is structure as a whole with first connecting rod 5, the second connecting rod 6 and third connecting rod 7, first transmission
The 2, second transmission group 3 of group and 4 one end of third transmission group pass through first connecting rod 5, the second connecting rod 6 and third connecting rod 7 respectively
It is connected with printing head base 1, and is respectively provided on three sides of printing head base 1, the first transmission group 2, second passes
Group 3 and 4 other end of third transmission group is sent to be connected respectively with the first coaster 8, the second coaster and third coaster,
The first transmission group 2 includes Left Drive bar 9, right drive rod 10, the Left Drive bar 9, right drive rod 10
Both ends there are the inner hole of spherical surface, which is used cooperatively with bulb, and bulb 11 is caught in inner hole, with the Left Drive bar
The inner end of bulb 11, the inner end for the bulb 11 connecting with right 10 upper end of drive rod of 9 upper ends connection are separately fixed at intermediate mass 12
Both ends, the intermediate mass 12 are located on the medial surface of the first coaster 8, and intermediate mass 12 is structure as a whole with the first coaster 8,
The inner end for the bulb 11 being connect with 9 lower end of Left Drive bar, the bulb 11 being connect with right 10 lower end of drive rod
Inner end be separately fixed on the both ends of first connecting rod 5, drive rod one end connect coaster, one end connect print head, pass through three
Axis links to control the movement of print head.
In the present embodiment, bulb 11 includes intermediate 13 and the terminal pad 14 being connected with 13 both ends of intermediate, the company
It connects disk 14 to be located in intermediate mass 12 or connecting rod, the intermediate 13 and the terminal pad 14 at both ends are structure as a whole.
In the present embodiment, the first coaster 8, the second coaster and the third coaster pass through the first force piece, second respectively
Force piece and third force piece are located on the first support column 16, the second support column 17, third support column 18 of printer case, institute
The first coaster 8, the second coaster stated identical with the structure of third coaster, described the first force piece, the second force piece and third
The structure of force piece is identical, and the lateral surface of first coaster 8 is set there are two linear bearing, is equipped in the first support column 16
Two longitudinal optical axises 19, the cooperation of linear bearing described in two are located on two longitudinal optical axises 19, and the first synchronous belt, second synchronize
The first coaster 8, the second coaster and third coaster are respectively fixed on band and third synchronous belt, the first force piece includes stepping electricity
Machine, synchronizing wheel, the stepper motor are located at 15 inside of top printer plate, and the axis of stepper motor is connected with synchronizing wheel, described
Synchronizing wheel is connected with the first synchronous belt, first and second and three force piece start simultaneously, drive the first synchronous belt, the second synchronous belt and
Third synchronous belt is so that corresponding coaster is moved up and down along longitudinal optical axis, so that driving beating for transmission group lower end connection
It is mobile to print head, realizes the function of printing.
The course of work of this example:
A kind of drive mechanism of 3D printer produces universal ball end by NC super machining, then with the mode of injection molding
Drive rod is processed, universal ball end is directly caught in by drive rod both ends there are the inner hole universal ball end of spherical surface.So both
It can guarantee the consistency of transmission pole length, and assembly made to become more simple, bonded without using glue, it only need to be small by two
Bulb is expressed in the hole at drive rod both ends, that is, completes the assembly of drive rod.So that the shadow that drive rod will not artificially be assembled
It rings, production efficiency is also largely increased.Time is greatly saved for the debugging in printer later period, while also improving 3D and beating
The precision of print machine.
Coaster is caught in two linear bearings, is mounted on longitudinal optical axis, is moved up and down by toothed belt transmission.Drive rod one
End connection coaster, one end connects print head, the movement of print head is controlled by three-shaft linkage.
Two bulbs are expressed to inside the both ends of drive rod, make the drive rod of an integral type, due to what is be molded by
Transmission pole length is fixed, and can thus be eliminated the error of artificial assembly connection bar, be not only increased 3D printer
Production efficiency is greatly saved the time for the debugging in printer later period, while also improving the precision of 3D printer.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should still belong within the patent covering scope of the utility model.
Claims (4)
1. a kind of drive mechanism of 3D printer, it is characterised in that: transmitted including the first transmission group, the second transmission group and third
Group, the first transmission group, the second transmission group are identical with the structure of third transmission group, on three sides of printing head base
Be respectively equipped with first connecting rod, the second connecting rod and third connecting rod, printing head base and first connecting rod, the second connecting rod and
Third connecting rod is structure as a whole, and the first transmission group, the second transmission group and third transmission group one end pass through first respectively
Connecting rod, the second connecting rod and third connecting rod are connected with printing head base, and are respectively provided at three sides of printing head base
On, the first transmission group, the second transmission group and the third transmission group other end respectively with the first coaster, the second coaster and third
Coaster is connected,
The first transmission group includes Left Drive bar, right drive rod, the Left Drive bar, right drive rod both ends there are
The inner hole of spherical surface, the inner hole are used cooperatively with bulb, and bulb is caught in inner hole, the bulb connecting with the Left Drive bar upper end
Inner end, the bulb being connect with right drive rod upper end inner end be separately fixed at intermediate mass both ends, the intermediate mass is located at cunning
On the medial surface of vehicle, the inner end for the bulb being connect with the Left Drive bar lower end, the bulb that is connect with right drive rod lower end
Inner end is separately fixed on the both ends of first connecting rod.
2. a kind of drive mechanism of 3D printer according to claim 1, it is characterised in that: the bulb includes centre
Ball and the terminal pad being connected with intermediate both ends, the terminal pad are located in intermediate mass or connecting rod, the intermediate with
The terminal pad at both ends is structure as a whole.
3. a kind of drive mechanism of 3D printer according to claim 1, it is characterised in that: first coaster,
Two coasters and third coaster pass through that the first force piece, the second force piece and third force piece are located at printer case respectively
One, on two, three support columns.
4. a kind of drive mechanism of 3D printer according to claim 3, it is characterised in that: first coaster,
Two coasters are identical with the structure of third coaster, and first force piece, the second force piece are identical with the structure of third force piece,
The lateral surface of first coaster is set there are two linear bearing, sets that there are two longitudinal optical axis, two institutes in the first support column
The linear bearing cooperation stated is located on two longitudinal optical axises, solid respectively on the first synchronous belt, the second synchronous belt and third synchronous belt
Surely there are the first coaster, the second coaster and third coaster, the first force piece includes stepper motor, synchronizing wheel, the stepper motor
It is located on the inside of top printer plate, the axis of stepper motor is connected with synchronizing wheel, and the synchronizing wheel is connected with the first synchronous belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820592050.7U CN208197578U (en) | 2018-04-24 | 2018-04-24 | A kind of drive mechanism of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820592050.7U CN208197578U (en) | 2018-04-24 | 2018-04-24 | A kind of drive mechanism of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208197578U true CN208197578U (en) | 2018-12-07 |
Family
ID=64521939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820592050.7U Active CN208197578U (en) | 2018-04-24 | 2018-04-24 | A kind of drive mechanism of 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208197578U (en) |
-
2018
- 2018-04-24 CN CN201820592050.7U patent/CN208197578U/en active Active
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