CN208513644U - The levelling device of selective laser melting unit moulding cylinder - Google Patents
The levelling device of selective laser melting unit moulding cylinder Download PDFInfo
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- CN208513644U CN208513644U CN201821063004.4U CN201821063004U CN208513644U CN 208513644 U CN208513644 U CN 208513644U CN 201821063004 U CN201821063004 U CN 201821063004U CN 208513644 U CN208513644 U CN 208513644U
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Abstract
The utility model discloses a kind of levelling device of selective laser melting unit moulding cylinder, including adjustable plate (6), bottom plate (7) are equipped with below the adjustable plate (6), adjustment structure (8) are equipped between the adjustable plate (6) and bottom plate (7), the adjustment structure (8) includes the adjuster (8.2) that the support ball (8.1) being folded between adjustable plate (6) and bottom plate (7) and two are used to adjust vertical position.The utility model provides a kind of levelling device for adjusting selective laser melting unit moulding cylinder simple, that adjustable plate levelness is high.
Description
Technical field
The utility model relates to selective laser melting unit technical fields, and in particular to selective laser melting unit moulding cylinder
Levelling device.
Background technique
Selective laser melts forming technique and uses the preset metal powder of fine focus hot spot rapid melting, passes through layer upon layer
Molding manufacture, can almost directly obtain arbitrary shape, the metal function part with complete metallurgical bonding, consistency can reach
Intimate 100%；It is two-dimensional surface manufacture that forming technique is melted for complex three-dimensional solid abbreviation in selective laser, and manufacturing cost is not
Depending on the complexity of part itself, and depend primarily on the volume and forming direction of part.
Selective laser fusing formed product is successively superimposed, and first floor forming quality extremely closes the forming of entire product
Key.But inevitably there is flatness, verticality equal error in processing, installation process in molding the cylinder piston, it is difficult to reach setting for equipment
Count required precision.Shaping substrate is placed on adjustable plate, if adjustable plate is uneven, will lead to the first floor metal powder on shaping substrate
The became uneven of end paving, seriously affects first floor forming quality；Very likely there is " touching knife " phenomenon in subsequent powdering, once it is existing to touch knife
As occurring, will cause serious harm to scraper, powdering also can be just irregular or even can not continue powdering, can not continue when serious
Printing, the final print quality for reducing molded part.
Manual regulating device common at present uses four-point, the i.e. pine by adjusting the adjusting screw of four different directions
Tightly, to control to adjust the horizontality of plate.Leveling difficulty is larger in this way, and efficiency is lower.
Summary of the invention
Laser simple, that adjustable plate levelness is high is adjusted the technical problem to be solved by the utility model is to provide a kind of
The levelling device of selective melting equipment moulding cylinder.
The technical scheme in the invention for solving the above technical problem are as follows: a kind of selective laser melting unit moulding cylinder
Levelling device, including adjustable plate, the adjustable plate lower section are equipped with bottom plate, adjustment structure are equipped between the adjustable plate and bottom plate,
The adjustment structure includes the adjuster that the support ball being folded between adjustable plate and bottom plate and two are used to adjust vertical position.
Compared with the prior art, the advantages of the utility model are: adjustment structure includes fixed support ball and two use
In the adjuster for adjusting vertical position, a plane is determined due to 3 points, and set nothing for one of point in three points
The support ball that need to be adjusted, other two point adjust vertical position by adjuster, and regulating step is relative to 4 points of conventional leveling
Step reduces half, high-efficient, and levels precision height.
As the utility model there are also a kind of improvement, the adjuster includes adjusting screw, and the adjustable plate is equipped with
For the adjusting screw hole with adjusting screw fit, the adjusting screw lower part offsets with bottom plate, by the improvement, passes through turn
Screw is adjusted, screw is adjusted and adjusting screw hole cooperates the spacing for adjusting adjustable plate and bottom plate, it is easy to adjust, and adjust screw
Fine thread is usually selected, to improve degree of regulation.
As the utility model there are also a kind of improvement, the bottom for adjusting screw is ball, by the improvement, is adjusted
Screw and bottom plate point contact are saved, to improve the sensitivity of adjusting.
As a kind of also improvement of the utility model, the adjustment structure further includes lock-screw, is set on the bottom plate
There are the locking screw holes of the threaded engagement for lock-screw, the adjustable plate is equipped with the counterbore of the head merging for lock-screw,
By the improvement, after adjusting, the relative position of adjustable plate and bottom plate is fixed by lock-screw.
As the utility model there are also a kind of improvement, the counterbore is interior to be equipped with dustproof cover, passes through the improvement, dustproof cover
Locking effect is influenced for avoiding powder from entering in lock-screw.
As a kind of also improvement of the utility model, the adjustment structure further includes strainer, and the strainer includes
The first strain pin being located on adjustable plate and the second strain pin being located on bottom plate, first strain pin and the second strain pin it
Between be provided with tension spring, by the improvement, tension spring is used to provide elastic tensioning between adjustable plate and bottom plate to adjustable plate and bottom plate
Between pretightning force, and avoid generate bounce, with the regulating effect of stable regulation screw.
As the utility model there are also a kind of improvement, the quantity of the strainer is eight, and eight strainers are divided into four
Four angles of adjustable plate are arranged in group, four groups of strainer arrays, and by the improvement, eight strainers are arranged with further
Guarantee the pretightning force between adjustable plate and bottom plate.
As the utility model there are also a kind of improvement, the adjustable plate is equipped with the tension slot for being placed in for tension spring, institute
It states to tense and is equipped with dustproof cover in slot, by the improvement, dustproof cover influences strainer for avoiding powder from entering in strainer
Pretensioning effect.
As a kind of also improvement of the utility model, gap, the adjustable plate are equipped between the adjustable plate and bottom plate
Or the outer rim of bottom plate is equipped with seal groove, is equipped in the seal groove and enters the close of gap for being located at gap outer rim to avoid powder
Packing, by the improvement, gasket can enter in gap to avoid powder, to influence the levelling effect of adjustment structure.
As the utility model there are also a kind of improvement, the adjustable plate is equipped with for the top merging for supporting ball
Spherical pore, the diameter of the spherical pore are greater than the diameter of support ball, and by the improvement, spherical pore is greater than the diameter of support ball,
To which when adjustment structure is adjusted, adjustable plate can be around the centre of sphere rotation for supporting ball and stuck not with spherical pore, also set on bottom plate
It sets for the spherical pore for support ball merging, due to the spherical pore on bottom plate and supports demand of the ball without relative motion, therefore bottom plate
On spherical pore diameter it is unlimited.
Detailed description of the invention
Fig. 1 is the utility model levelling device and leveling instrument entirety stereoscopic schematic diagram.
Fig. 2 is the utility model adjustable plate schematic front view.
Fig. 3 is Fig. 2A-A the schematic diagram of the section structure.
Fig. 4 is Fig. 2 B-B the schematic diagram of the section structure.
It is as shown in the figure: 1- light source, 2- detection plate, the first plate of 2.1-, the second plate of 2.2-, 2.2.1- adjusting line, 3- detection hole,
The first hole 3.1-, the second hole 3.2-, 4- reflecting mirror, 5- optical axis seat, 5.1- sliding rail, the first sliding seat of 5.2-, 5.2.1- sliding block,
5.2.2- grip block, 5.2.3- fixed block, 5.2.4- adjusting screw, 5.2.4.1- the first adjustment screw, 5.2.4.2- second are adjusted
Whole screw, 5.2.4.3- third adjusting screw, the second sliding seat of 5.3-, 5.4- third sliding seat, 6- adjustable plate, 6.1- are spherical
Hole 7- bottom plate, 7.1- gasket, 8- adjustment structure, 8.1- support ball, 8.2- adjuster, and 8.2.1- adjusts screw, 8.2.2- tune
Section screw hole, 8.3- strainer, the first strain pin of 8.3.1-, the second strain pin of 8.3.2-, 8.3.3- tension spring, 8.3.4- tense slot,
8.3.5- dustproof cover, 8.4- lock-screw, 8.4.1- locking screw holes, 8.4.2- counterbore, 9- table top.
Specific embodiment
The embodiments of the present invention are further described with reference to the accompanying drawing.
As shown in Figs 1-4,
A kind of regulating mechanism of selective laser melting unit moulding cylinder, including leveling instrument and levelling device.
Leveling instrument include from top to bottom be set in sequence along the vertical direction vertically downwards transmitting detection light light source 1,
Detection plate 2, the reflecting mirror 4 being arranged in plane to be detected, under the detection plate 2 is equipped with being vertically arranged and being located at light source 1 just
The detection hole 3 of side, the detection light are radiated on reflecting mirror 4 via detection hole 3 and reflex to detection plate 2 by reflecting mirror 4
Lower surface.
Wherein, the quantity of the detection plate 2 is two, including the first plate 2.1 and the second plate 2.2, the detection hole 3 include
The first hole 3.1 being located on the first plate 2.1, the second hole 3.2 being located on the second plate 2.2, first hole 3.1 and the second hole
It is arranged 3.2 being aligned in vertical direction；
The leveling instrument further includes optical axis seat 5, and the optical axis seat 5 is equipped with vertically arranged sliding rail 5.1, the sliding rail
It is set in sequence on 5.1 for for the first fixed sliding seat 5.2 of light source 1, the second sliding seat for being fixed for the first plate 2.1
5.3, for the third sliding seat 5.4 fixed for the second plate 2.2.
Wherein, the diameter in the first hole 2.1 and the second hole 2.2 is 0.3~1mm, passes through two for the detection light to light source 1
Spot diameter behind a hole is constrained, to avoid luminous point excessive and influence degree of regulation.
Wherein, first sliding seat 5.2 includes sliding block 5.2.1 for sliding on sliding rail 5.1, is fixed on sliding block
5.2.1 the grip block 5.2.2 on, the fixed block 5.2.3 for fixed light source 1 are additionally provided on first sliding seat 5.2 and are used for
Adjust the adjusting screw 5.2.4 of 1 position of light source.
Wherein, the adjusting screw 5.2.4 includes being located between fixed block 5.2.3 and the end face of grip block 5.2.2 to be used for
It adjusts the first adjustment screw 5.2.4.1 of the spacing of fixed block 5.2.3 and grip block 5.2.2, be located at fixed block 5.2.3 and clamping
For adjusting fixed block 5.2.3 and grip block 5.2.2 perpendicular to the second tune of the position of spacing direction between the side wall of block 5.2.2
Whole screw 5.2.4.2, it is located between light source 1 and fixed block 5.2.3 for adjusting the third adjusting screw of the rotational angle of light source 1
5.2.4.3, in detail as shown in Figure 1, the spacing that the first adjustment screw 5.2.4.1 is used to adjust light source 1 with respect to optical axis seat 5, second adjusts
Whole screw 5.2.4.2 is used to adjust the displacement perpendicular to the direction the first adjustment screw 5.2.4.1, so that the detection light of light source 1
It can be mapped in the first hole 3.1, and when light source 1 tilts, detection light can not be by being mapped to the second hole 3.2 behind the first hole 3.1 again
It is interior, therefore screw 5.2.4.3 is adjusted by third, adjustment is rotated to light source 1, so that detection light can be from the first hole 3.1 and the second hole
Also cross and due to opening up on the first hole 3.1 and 3.2 vertical non-alignment the first plate 2.1 of the second hole and the second plate 2.2 in 3.2
The position consistency in hole, since two o'clock determines straight line, therefore detection light can be passed through from the first hole 3.1 and the second hole 3.2 and also be anticipated
Taste the detection light of light source 1 emit straight down).
Levelling device includes that adjustable plate 6 is above-mentioned plane to be detected, and bottom plate 7 is equipped with below the adjustable plate 6, described
Adjustment structure 8 is equipped between adjustable plate 6 and bottom plate 7, the adjustment structure 8 includes the branch being folded between adjustable plate 6 and bottom plate 7
Support ball 8.1 and two are for adjusting the adjuster 8.2 of vertical position.
Wherein, the adjuster 8.2 include adjust screw 8.2.1, the adjustable plate 6 be equipped with for adjust screw
8.2.1 the adjusting screw hole 8.2.2 cooperated, the adjusting lower part screw 8.2.1 offsets with bottom plate 7.
Wherein, the bottom for adjusting screw 8.2.1 is ball, adjusts screw 8.2.1 and 7 point contact of bottom plate, improves and adjusts
Whole sensitivity.
Wherein, the adjustment structure 8 further includes strainer 8.3, and the strainer 8.3 includes the be located on adjustable plate 6
One strain pin 8.3.1 and the second the strain pin 8.3.2, the first strain pin 8.3.1 and the second strain pin being located on bottom plate 7
8.3.2 tension spring 8.3.3 is provided between, the quantity of the strainer 8.3 is 8, and it is four groups that 8 strainers 8.3, which divide, is set respectively
Set the position at four angles of adjustable plate 6, and every group of two strainers 8.3 with the diagonal line of adjustable plate 6 for symmetrical axial symmetry
Distribution, one group is symmetrically distributed in support 8.1 two sides of ball, and two groups are symmetrically distributed in 8.2 two sides of adjuster, as shown in Fig. 2, to protect
It demonstrate,proves elastic tensioning between adjustable plate 6 and bottom plate 7 and avoids generating bounce.
Wherein, the tension spring 8.3.3 and the first strain pin 8.3.1, which is located at, tenses in slot 8.3.4, the tension slot 8.3.4
Interior setting dustproof cover 8.3.5, dustproof cover 8.3.5 are for avoiding dust from entering.
Wherein, the adjustment structure 8 further includes lock-screw 8.4, and the bottom plate 7 is equipped with the spiral shell for lock-screw 8.4
The locking screw holes 8.4.1 that line screws, the adjustable plate 6 are equipped with the counterbore 8.4.2 of the head merging for lock-screw 8.4, sink
Dustproof cover 8.3.5 is set on hole.
Wherein, 2.2 lower surface of the second plate, which is equipped with, adjusts line 2.2.1, the centre of sphere of the support ball 8.1, two adjustings
The axial connecting line of device 8.2 constitutes isosceles right triangle, and the support ball 8.1 is located at apex angle, and the adjusting line 2.2.1 is being adjusted
The projection on plate 6 is saved perpendicular to a wherein right-angle side setting for isosceles right triangle.
Wherein, gap is equipped between the adjustable plate 6 and bottom plate 7, the outer rim of the adjustable plate 6 or bottom plate 7 is equipped with sealing
Slot is equipped with the gasket 7.1 for entering gap for being located at gap outer rim to avoid powder in the seal groove.
Wherein, the adjustable plate 6 is equipped with for the spherical pore 6.1 for supporting the top merging of ball 8.1, the spherical pore
6.1 diameter is greater than the diameter of support ball 8.1.
A kind of adjusting method of regulating mechanism, comprising the following steps:
A, optical axis seat 5 is placed on the table top 9 of moulding cylinder, opens light source 1, the detection light of light source 1 passes through the first hole
3.1, the second hole 3.2 is radiated at vertically on adjustable plate 6；
B, the position on adjustable plate 6 being penetrated in detection light and placing reflecting mirror 4, observation detection light is anti-by reflecting mirror 4
It is incident upon the position of 2.2 lower surface of the second plate,
If 2.2 lower surface of the second plate without luminous point, i.e., the detection light that reflecting mirror 4 reflects is emitted back towards in the second hole 3.2, adjust
Plate 6 has leveled, and leveling finishes, and lock-screw 8.4 is locked；
If luminous point occurs in 2.2 lower surface of the second plate, continue step c；
C, turn two adjusting screw 8.2.1 one of them, adjustment luminous point to adjust line 2.2.1, then turn two tune
Another of screw 8.2.1 is saved, adjusts luminous point to the second hole 3.2, leveling finishes, and lock-screw 8.4 is locked.
Wherein, when 6 tilt quantity of adjustable plate is excessive, reflecting mirror 4 possibly can not reflex to 2.2 lower surface of the second plate, i.e., and the
Two plates, 2.2 lower surface is also without luminous point, and in this case, quick turn adjusts screw 8.2.1 and carries out coarse adjustment, makes luminous point in the second plate
2.2 lower surfaces occur, then turn adjusts screw 8.2.1 and carries out fine tuning.
Wherein, the step a is specifically included,
A1, the adjusting screw 5.2.4 for adjusting the first sliding seat 5.2 adjust the detection light of light source 1 to across the first hole
3.1 settings, and continue to adjust until detection light passes through the second hole 3.2 and luminous point occurs on adjustable plate 6；
A2, the second sliding seat of sliding 5.3 and third sliding seat 5.4, the vertical position of mobile first plate 2.1 and the second plate 2.2
It sets, observes luminous point whether on adjustable plate 6, if luminous point disappears, continue to finely tune the adjusting screw on the first sliding seat 5.2
5.2.4, until the vertically movable luminous point that do not influence of the second sliding seat 5.3 and third sliding seat 5.4 appears on adjustable plate 6；
A3, the adjustment of 1 position of light source finish.
Wherein, the step c is specifically included,
C1, first turn two adjust the line in screw 8.2.1 with support ball 8.1 perpendicular to the adjusting for adjusting line 2.2.1
Screw 8.2.1 adjusts the luminous point reflected from reflecting mirror 4 to adjusting line 2.2.1；
C2, again turn two another adjusting screw 8.2.1 adjusted in screw 8.2.1, the light that will be reflected from reflecting mirror 4
Point is adjusted to the second hole 3.2；
C3, third sliding seat 5.4 is moved up, adjusts the second plate 2.2 far from adjustable plate 6, to the luminous point on the second plate 2.2
It is observed,
If c4, luminous point are removed from the second hole 3.2, continue to adjust two adjusting screws according to c1, c2, c3 step
8.2.1
If c5, luminous point are still in the second hole 3.2, adjustable plate 6 is horizontal, and leveling finishes.
Wherein, as shown in Figures 1 and 2, to support ball 8.1 for corner point, adjust the base angle point structure of the position screw 8.2.1 two
Line 2.2.1 is adjusted perpendicular to a wherein right angle for isosceles right triangle at isosceles right triangle, and on the second plate 2.2
Side when adjusting reflecting mirror 4 reflexes to the luminous point of 2.2 bottom of the second plate, first adjusts that adjusting spiral shell by vertical right-angle side
8.2.1 is followed closely, luminous point is adjusted to and is adjusted on line 2.2.1, then adjusts another and adjusts screw 8.2.1, luminous point is adjusted to the
In two holes 3.2.
Only the most preferred embodiment of the utility model is described above, but is not to be construed as the limit to claim
System.The utility model is not only limited to above embodiments, and specific structure is allowed to vary.It is all in the utility model independent right
It is required that protection scope in made various change in scope of protection of the utility model.
Claims (10)
1. a kind of levelling device of selective laser melting unit moulding cylinder, including adjustable plate (6), adjustable plate (6) lower section is set
Have bottom plate (7), is equipped with adjustment structure (8) between the adjustable plate (6) and bottom plate (7), it is characterised in that: the adjustment structure
(8) including the support ball (8.1) being folded between adjustable plate (6) and bottom plate (7) and two for adjusting the adjusting of vertical position
Device (8.2).
2. the levelling device of melting unit moulding cylinder in selective laser according to claim 1, it is characterised in that: the adjusting
Device (8.2) includes adjusting screw (8.2.1), and the adjustable plate (6) is equipped with for the adjusting with adjusting screw (8.2.1) cooperation
Screw hole (8.2.2), the adjusting screw lower part (8.2.1) offset with bottom plate (7).
3. the levelling device of melting unit moulding cylinder in selective laser according to claim 2, it is characterised in that: the adjusting
The bottom of screw (8.2.1) is ball.
4. the levelling device of melting unit moulding cylinder in selective laser according to claim 2, it is characterised in that: the adjusting
Structure (8) further includes lock-screw (8.4), and the bottom plate (7) is equipped with the locking screw of the threaded engagement for lock-screw (8.4)
Hole (8.4.1), the adjustable plate (6) are equipped with the counterbore (8.4.2) of the head merging for lock-screw (8.4).
5. the levelling device of melting unit moulding cylinder in selective laser according to claim 4, it is characterised in that: the counterbore
Dustproof cover (8.3.5) is equipped in (8.4.2).
6. the levelling device of melting unit moulding cylinder in selective laser according to claim 1, it is characterised in that: the adjusting
Structure (8) further includes strainer (8.3), and the strainer (8.3) includes the first strain pin being located on adjustable plate (6)
(8.3.1) and the second strain pin (8.3.2) being located on bottom plate (7), first strain pin (8.3.1) and the second strain pin
Tension spring (8.3.3) is provided between (8.3.2).
7. the levelling device of melting unit moulding cylinder in selective laser according to claim 6, it is characterised in that: the tension
The quantity of device (8.3) is eight, and eight strainers (8.3) are divided into four groups, and four groups of strainer (8.3) arrays are arranged in adjustable plate
(6) four angles.
8. the levelling device of melting unit moulding cylinder in selective laser according to claim 6, it is characterised in that: the adjusting
Plate (6) is equipped with the tension slot (8.3.4) for being placed in for tension spring (8.3.3), is equipped with dustproof cover in the tension slot (8.3.4)
(8.3.5)。
9. the levelling device of melting unit moulding cylinder in selective laser according to claim 1, it is characterised in that: the adjusting
Gap is equipped between plate (6) and bottom plate (7), the outer rim of the adjustable plate (6) or bottom plate (7) is equipped with seal groove, the seal groove
It is interior to be equipped with the gasket (7.1) for entering gap for being located at gap outer rim to avoid powder.
10. the levelling device of melting unit moulding cylinder in selective laser according to claim 1, it is characterised in that: the tune
It saves plate (6) to be equipped with for the spherical pore (6.1) for supporting the top merging of ball (8.1), the diameter of the spherical pore (6.1) is big
In the diameter of support ball (8.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821063004.4U CN208513644U (en) | 2018-07-05 | 2018-07-05 | The levelling device of selective laser melting unit moulding cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821063004.4U CN208513644U (en) | 2018-07-05 | 2018-07-05 | The levelling device of selective laser melting unit moulding cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208513644U true CN208513644U (en) | 2019-02-19 |
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ID=65336823
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821063004.4U Active CN208513644U (en) | 2018-07-05 | 2018-07-05 | The levelling device of selective laser melting unit moulding cylinder |
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| Country | Link |
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| CN (1) | CN208513644U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039055A (en) * | 2019-05-24 | 2019-07-23 | 哈尔滨福沃德多维智能装备有限公司 | A kind of three-point mount formula printing substrate level adjusting structure and method |
| CN110280761A (en) * | 2019-07-02 | 2019-09-27 | 宁波哈勒姆电子科技有限公司 | A kind of metal powder 3D printer seal-moving device and its implementation method |
-
2018
- 2018-07-05 CN CN201821063004.4U patent/CN208513644U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039055A (en) * | 2019-05-24 | 2019-07-23 | 哈尔滨福沃德多维智能装备有限公司 | A kind of three-point mount formula printing substrate level adjusting structure and method |
| CN110039055B (en) * | 2019-05-24 | 2024-05-07 | 哈尔滨福沃德多维智能装备有限公司 | Three-point fixed type printing substrate horizontal adjustment structure and method |
| CN110280761A (en) * | 2019-07-02 | 2019-09-27 | 宁波哈勒姆电子科技有限公司 | A kind of metal powder 3D printer seal-moving device and its implementation method |
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