CN206678401U - A kind of print head structure of engagement type motion - Google Patents
A kind of print head structure of engagement type motion Download PDFInfo
- Publication number
- CN206678401U CN206678401U CN201720140223.7U CN201720140223U CN206678401U CN 206678401 U CN206678401 U CN 206678401U CN 201720140223 U CN201720140223 U CN 201720140223U CN 206678401 U CN206678401 U CN 206678401U
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- axis
- straight line
- polished rod
- stepper motor
- line polished
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Abstract
The utility model discloses a kind of print head structure of engagement type motion, including fixed mount, printhead, the X-axis transmission component being arranged on the fixed mount, two groups of Y-axis transmission components, two groups of Y-axis transmission components are separately positioned on the both sides of the X-axis transmission component；The X-axis transmission component includes pitch wheel, rack structure and X-axis straight line polished rod, the X-axis slide block being located on the X-axis straight line polished rod, the X-axis stepper motor being connected with the gear, and the printhead is arranged in the X-axis slide block；The Y-axis transmission component includes belt sheave structure, Y-axis straight line polished rod, Y-axis sliding block, y-axis stepper motor, the belt sheave structure includes timing belt and synchronizing wheel, and the driven pulley in the synchronizing wheel group is connected with fixed mount, and driving wheel is connected with y-axis stepper motor, the utility model high transmission accuracy, service life is grown, not easy to break, wear-resistant, stable working, reliability is high, can guarantee that constant gearratio, can transmit the motion of any between centers of angle two.
Description
Technical field
3D printer field is the utility model is related to, exactly refers to a kind of print head structure of engagement type motion.
Background technology
3D printer by the main circuit board of one piece of microprocessor by the 3D model files after processing be converted into X, Y, Z axis and
The stepper motor data of E axles shower nozzle feed, give 4 or multiple stepping motor control circuits are controlled, then pass through stepping
Circuit for controlling motor control workpiece output printhead X-axis, Y direction be mobile, Z axis vertically moves and E axles (shower nozzle feed)
Speed, raw material (PLA plastic wires) is relatively accurately melted by one layer of ground of later layer by high temperature jetting nozzle and is sprayed on workpiece output printing
It is superimposed on platform, forms final physical model.
At present, 3D printer printhead X-axis, Y direction mobile working principle normal method are：By stepper motor transmission simultaneously
Synchronizing wheel is driven, when synchronizing wheel rotates, due to the engagement between timing belt and synchronous pulley, driven pulley is just dragged and rotates together,
And passing power (toothed belt transmission), so as to carry out the linear motion of the X-axis of printhead, Y direction.Also a kind of mode is,
It is driven by stepper motor and drives shaft coupling and screw mandrel, when leading screw is as active body, nut will be with the rotational angle of screw mandrel
Helical pitch according to corresponding specification changes into linear motion, and passive workpiece can be connected by nut seat with nut, is beaten so as to realize
Print X-axis, the linear motion of Y direction of head.Above-described prior art has as a drawback that：1. precision is not high, cause to beat
Print that head positioning is not accurate, and it is poor to cause to print effect；2. gearratio is forbidden；3. installation is complicated, it is difficult to controls the pine of timing belt
Sag；4. the life-span is low, deformation easy to aging；5. timing belt long-term work abrasion causes its precision reduction, step-out, is even broken, from
And cause 3D printer printhead can not normal work.
Utility model content
For drawbacks described above, the technical problem that the utility model solves is to provide a kind of printhead knot of engagement type motion
Structure, stable drive, instantaneous transmission ratio is accurate, reliable operation, efficiency high, long lifespan, the power used, speed and size range
Greatly, it is compact-sized.
In order to solve the technical problem of the above, a kind of print head structure of engagement type motion provided by the utility model, bag
Fixed mount, printhead, the X-axis transmission component being arranged on the fixed mount, two groups of Y-axis transmission components are included, two groups of Y-axis pass
Dynamic component is separately positioned on the both sides of the X-axis transmission component；
The X-axis transmission component includes pitch wheel, rack structure and X-axis straight line polished rod, is located in the X
X-axis slide block on axle straight line polished rod, the X-axis stepper motor being connected with the gear, the printhead are arranged on the X-axis slide block
On；
The Y-axis transmission component includes belt sheave structure, Y-axis straight line polished rod, Y-axis sliding block, y-axis stepper motor, the skin
Pulley structure includes timing belt and synchronizing wheel, and the driven pulley in the synchronizing wheel group is connected with fixed mount, the synchronizing wheel group
In driving wheel be connected with y-axis stepper motor；The both ends of the Y-axis straight line polished rod are connected with the fixed mount respectively, the Y-axis
Sliding block is located on the Y-axis straight line polished rod, and the passage passed through for the timing belt is additionally provided with the Y-axis sliding block；
The X-axis straight line polished rod and the rack are arranged between two groups of Y-axis transmission components, and both ends respectively with the Y
Axle sliding block connects.
Preferably, the X-axis slide block is front and rear is provided with two groups of rollers, and every group includes two rollers, respectively positioned at the rack
Over and under.
Preferably, linear bearing is provided between the X-axis slide block and the X-axis straight line polished rod.
Preferably, linear bearing is provided between the Y-axis sliding block and the Y-axis straight line polished rod.
A kind of print head structure of engagement type motion provided by the utility model, including fixed mount, printhead, it is arranged on institute
X-axis transmission component, the two groups of Y-axis transmission components on fixed mount are stated, two groups of Y-axis transmission components are separately positioned on the X-axis
The both sides of transmission component；Wherein, the X-axis transmission component includes pitch wheel, rack structure and X-axis line light
Bar, the X-axis slide block being located on the X-axis straight line polished rod, the X-axis stepper motor being connected with the gear, the printhead are set
Put in the X-axis slide block；Wherein, the Y-axis transmission component includes belt sheave structure, Y-axis straight line polished rod, Y-axis sliding block, Y-axis
Stepper motor, the belt sheave structure include timing belt and synchronizing wheel, and the driven pulley in the synchronizing wheel group connects with fixed mount
Connect, the driving wheel in the synchronizing wheel group is connected with y-axis stepper motor；The both ends of the Y-axis straight line polished rod respectively with it is described solid
Determine frame connection, the Y-axis sliding block is located on the Y-axis straight line polished rod, is additionally provided with the Y-axis sliding block and is worn for the timing belt
The passage crossed；The X-axis straight line polished rod and the rack are arranged between two groups of Y-axis transmission components, and both ends respectively with the Y
Axle sliding block connects.Compared with prior art, the print head structure of engagement type motion provided by the utility model, have following excellent
Point：
1st, high transmission accuracy, up to 0.015mm；
2nd, service life is grown, not easy to break；
3rd, wear-resistant, rack and pinion engagement mode is moved out-of-step free；
4th, stable working, reliability are high；
5th, constant gearratio is can guarantee that, the motion of any between centers of angle two can be transmitted.
Brief description of the drawings
Fig. 1 is the structural representation of the printhead of the utility model embodiment middle gear rack engagement system motion；
Fig. 2 is the structural representation of X-axis transmission component in Fig. 1；
Fig. 3 is the structural representation of X-axis slide block in Fig. 1.
Embodiment
In order to which those skilled in the art better understood when technical scheme provided by the utility model, with reference to
Specific embodiment is illustrated.
The print head structure of engagement type motion in the present embodiment is mainly used in 3D printer motion structure, and the structure is main
For heating the 3D printer printhead of accumulation technology (FDM).
As shown in FIG. 1 to 3, the print head structure of engagement type motion includes fixed mount 3, and fixed mount 3 is driven provided with X-axis
Component, in the both sides of X-axis transmission component, a Y-axis transmission component is respectively equipped with, two groups of Y-axis transmission component structures are identical, and X-axis passes
Dynamic component is provided with a printhead 8.Y-axis transmission component includes belt sheave structure, Y-axis straight line polished rod 11, Y-axis sliding block 12, Y-axis step
Stepper motor 1, wherein, belt sheave structure includes timing belt 7 and synchronizing wheel group, and the driven pulley in synchronizing wheel group connects with fixed mount
Connect, the driving wheel in synchronizing wheel is connected with y-axis stepper motor 1；The both ends of Y-axis straight line polished rod 11 are connected with fixed mount respectively, Y-axis
Sliding block 12 is located on Y-axis straight line polished rod 11, and the passage passed through for timing belt is additionally provided with Y-axis sliding block 12.X-axis transmission component
Including X-axis straight line polished rod 4, gear 15, rack 10, X-axis slide block 9, X-axis stepper motor 2, linear bearing 6, wherein, X-axis line light
Bar 4, rack 10 are arranged between two groups of Y-axis transmission components, and both ends are connected with the Y-axis sliding block of the two respectively, and X-axis slide block 9 is worn
It is located on X-axis straight line polished rod 4, and linear bearing 6 is provided between X-axis straight line polished rod 4.Printhead 8 is arranged in X-axis slide block；X
Shaft step motor 2 is connected with gear 15.
X-axis slide block 9 is front and rear to be provided with two groups of rollers, and every group includes two rollers 14, respectively positioned at the top of rack 10 and under
Side, this 4 rollers 14 play a part of stationary rack 10 and are oriented to, it is ensured that rack on the same line, also ensures rack-and-pinion
The precision of gear motion.
Print head structure in the present embodiment, its course of work are as follows：
3D model files after processing are converted into X, Y, Z axis and the step of E axles shower nozzle feed by the main circuit board of microprocessor
Stepper motor data, when the step actuator of X-axis receives a pulse signal, it just drives side of the X-axis stepper motor 2 by setting
To a fixed angle (i.e. stepping angle) is rotated, angular displacement is controlled by controlling pulse number, gear 15 also follows step
Stepper motor rotates a fixed angle, same to modulus, the wheel and rack engaged transmission with pressure angle, by fixed angular transition
For the linear motion of a fixed value, so as to reach the purpose being accurately positioned.Y-axis stepper motor rotates one by the direction of setting
Fixed angle, the one fixed angle of active synchronization wheel concomitant rotation each connected, and drive timing belt rectilinear movement one
The value of individual fixation, so as to complete the movement of Y direction.
When X-axis stepper motor 2 receives the pulse signal of main circuit board transmission, X-axis stepper motor 2 is then by the side of setting
To a fixed angle is rotated, gear 15 rotates with X-axis stepper motor.Because rack 10 is fixed by the Y-axis sliding block 12 of left and right two,
Under the rotation of X-axis stepper motor 2, X-axis slide block 9 and the printhead 8 being attached thereto then do on rack and accurately moved along a straight line,
And a fixed air line distance is moved by X-axis stepper motor 2 and the fixed angle that gear 15 rotates, as shown in Figure 2.
The print head structure of the engagement type motion of the present embodiment, has the following advantages that：
1st, high transmission accuracy, up to 0.015mm；
2nd, service life is grown, not easy to break；
3rd, wear-resistant, rack and pinion engagement mode is moved out-of-step free；
4th, stable working, reliability are high；
5th, constant gearratio is can guarantee that, the motion of any between centers of angle two can be transmitted.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (4)
1. a kind of print head structure of engagement type motion, it is characterised in that including fixed mount, printhead, be arranged on the fixation
X-axis transmission component, two groups of Y-axis transmission components on frame, two groups of Y-axis transmission components are separately positioned on the X-axis transmission group
The both sides of part；
The X-axis transmission component includes pitch wheel, rack structure and X-axis straight line polished rod, to be located in the X-axis straight
X-axis slide block on linear light bar, the X-axis stepper motor being connected with the gear, the printhead are arranged in the X-axis slide block；
The Y-axis transmission component includes belt sheave structure, Y-axis straight line polished rod, Y-axis sliding block, y-axis stepper motor, the belt pulley
Structure includes timing belt and synchronizing wheel, and the driven pulley in the synchronizing wheel group is connected with fixed mount, in the synchronizing wheel group
Driving wheel is connected with y-axis stepper motor；The both ends of the Y-axis straight line polished rod are connected with the fixed mount respectively, the Y-axis sliding block
It is located on the Y-axis straight line polished rod, the passage passed through for the timing belt is additionally provided with the Y-axis sliding block；
The X-axis straight line polished rod and the rack are arranged between two groups of Y-axis transmission components, and both ends are slided with the Y-axis respectively
Block connects.
2. the print head structure of engagement type motion according to claim 1, it is characterised in that set before and after the X-axis slide block
There are two groups of rollers, every group includes two rollers, respectively positioned at the rack over and under.
3. the print head structure of engagement type motion according to claim 1, it is characterised in that the X-axis slide block and the X
Linear bearing is provided between axle straight line polished rod.
4. the print head structure of engagement type motion according to claim 3, it is characterised in that the Y-axis sliding block and the Y
Linear bearing is provided between axle straight line polished rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720140223.7U CN206678401U (en) | 2017-02-16 | 2017-02-16 | A kind of print head structure of engagement type motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720140223.7U CN206678401U (en) | 2017-02-16 | 2017-02-16 | A kind of print head structure of engagement type motion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206678401U true CN206678401U (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720140223.7U Expired - Fee Related CN206678401U (en) | 2017-02-16 | 2017-02-16 | A kind of print head structure of engagement type motion |
Country Status (1)
| Country | Link |
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| CN (1) | CN206678401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466176A (en) * | 2018-11-14 | 2019-03-15 | 天津市普迅电力信息技术有限公司 | A kind of energy-consuming enterprise portrait printing equipment and its working method |
-
2017
- 2017-02-16 CN CN201720140223.7U patent/CN206678401U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466176A (en) * | 2018-11-14 | 2019-03-15 | 天津市普迅电力信息技术有限公司 | A kind of energy-consuming enterprise portrait printing equipment and its working method |
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| GR01 | Patent grant | ||
| 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: 20171128 Termination date: 20220216 |