CN108687450A - A kind of floating of laser cutting machine disappears gap transmission mechanism - Google Patents
A kind of floating of laser cutting machine disappears gap transmission mechanism Download PDFInfo
- Publication number
- CN108687450A CN108687450A CN201810809757.3A CN201810809757A CN108687450A CN 108687450 A CN108687450 A CN 108687450A CN 201810809757 A CN201810809757 A CN 201810809757A CN 108687450 A CN108687450 A CN 108687450A
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- CN
- China
- Prior art keywords
- gear
- fixed block
- rack
- transmission mechanism
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 40
- 238000003698 laser cutting Methods 0.000 title claims abstract description 24
- 238000007667 floating Methods 0.000 title claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 31
- 239000007787 solid Substances 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 21
- 230000000737 periodic effect Effects 0.000 abstract description 4
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
Abstract
The invention belongs to technical field of mechanical transmission, a kind of floating of laser cutting machine is specifically provided to disappear gap transmission mechanism, servo motor in the transmission mechanism, planetary reduction gear, motor cabinet and gear are engaged as a movement gear entirety and by wheel and rack, the movement gear is entirely through linear bearing and optical axis slidable connection, it is fixedly connected by fixed block between optical axis and straight-line guide rail slide block, spring one end is fixed on fixed block, the other end is resisted against on motor cabinet, pass through the elastic force initial value of pre-set springs, spring will move gear and integrally be resisted against progress engaged transmission on rack.The gear of the transmission mechanism is close to rack under spring force always, so as to solve the original error of gear, rack, and due to a series of deviations brought such as uneven wear during later use, substantially increase transmission accuracy, and it in use, need not also carry out the adjustment in periodic motion gap.
Description
Technical field
The invention belongs to technical field of mechanical transmission, and in particular to a kind of floating of laser cutting machine disappears gap transmission mechanism.
Background technology
Laser feeding cutting machine have cutting speed is fast, precision is high, steady performance, be widely used in sheet metal
Blanking cutting.Usual laser blanking cutting equipment all includes the high speed and precision movement of X-axis and Y-axis both direction, two sides X, Y
To match resultant motion, walk out corresponding track, and then required part is efficiently cut by laser, therefore, X, Y two
The precise motion in direction, becomes one of key technology of laser cutting machine, and the precision on processing part influences very big.Laser cutting
The general drive mechanism of machine is as shown in Figure 1, the linear guide and rack are fixed on bed piece, servo motor, planetary reduction gear
And eccentric adjusting disk is fixedly connected, and together with straight-line guide rail slide block it is fixed on the supporting plate, gear and planetary reduction gear it is defeated
Go out axis connection, wheel and rack engagement, rack is fixed on bed piece, but when gear rotation, support plate and upper all fixations
Part slided together along the linear guide, so just realize the movement of an axis of laser cutting machine, wherein gear and tooth
Gap between the engagement of item is adjusted by eccentric adjusting disk.There is Railway Project in this kind of drive:
1, certain error is constantly present due to rack work face relative rectilinear guide rail in entire moving section, this error
Size, i.e., it is related with rack machining accuracy, also with the machining accuracy of the bending degree of rack, lathe itself, the installation of rack
Precision etc. factor is related, in this way, gear can change in the process of running with respect to the meshing state of rack, to cause
Driving error;
2, with using the usage time of rack geared to increase, there is also difference, rack is different for the abrasion of rack
The position degree of wear also can be different, and corresponding driving error can also be further resulted in by wearing non-uniform gear;
3, gear concentricity also always has error, driving error also can therefore occurs;
When 4, starting assembly, after gear, the meshing state of rack and gear, rack abrasion, rack-and-pinion is readjusted
Meshing state, be to be adjusted by rotating eccentric disc, this process can only be adjusted according to the feel of operating personnel,
It is extremely difficult to good state, will also result in driving error.
Invention content
The purpose of the present invention is overcome laser cutting machine transmission mechanism efficiency is low in the prior art and driving error is big to ask
Topic.
For this purpose, the present invention provides a kind of floatings of laser cutting machine to disappear gap transmission mechanism, including driving device 10, gear 5,
Rack 6, straight-line guide rail slide block 7 and the linear guide 8, the straight-line guide rail slide block 7 is fixedly connected with the driving device 10, described
10 output end of driving device is connect with the gear 5, and the gear 5 is engaged with the rack 6, the rack 6 and the straight line
Guide rail 8 is each attached on bed piece 9, and the straight-line guide rail slide block 7 is slidably connected in the linear guide 8, further includes bullet
Spring 13, fixed block 15 and optical axis 16, the optical axis 16 are installed on the fixed block 15, and the fixed block 15 is led with the straight line
Rail sliding block 7 is fixedly connected, and the axis direction of the optical axis 16 is vertical with the orbital direction of the linear guide 8,13 one end of spring
It is fixed on fixed block 15, the other end is resisted against in the driving device 10.
Preferably, further include linear bearing 11, the driving device 10 is fixedly connected with the linear bearing 11, described straight
Spool holds 11 and is slidably connected on the optical axis 16.
Preferably, the fixed block 15 includes the first fixed block 151 and the second fixed block 152, first fixed block 151
It is equipped with the first hole, second fixed block 152 is equipped with second hole corresponding with the first hole on the first fixed block 151
The both ends in hole, the optical axis 16 are born against in first hole and in second hole.
Preferably, further include support plate 4, the straight-line guide rail slide block 7 and fixed block 15, which are fixed with the support plate 4, to be connected
It connects.
Preferably, further include adjusting bolt 14, the adjusting bolt 14 is threadedly coupled with the fixed block 15, the adjusting
14 one end of bolt is connect with the spring 13.
Preferably, the driving device 10 is equipped with pilot hole, and the spring 13 is located in the pilot hole, the spring
13 one end is fixed on the fixed block 15, and the other end is resisted against the bottom of the pilot hole.
Beneficial effects of the present invention:This laser cutting machine floating provided by the invention disappears gap transmission mechanism, including straight line
Bearing, fixed block, optical axis and spring, the linear guide, rack are fixed on bed piece, servo motor, planetary reduction gear, motor
Seat and gear are whole as a movement gear and engaged by wheel and rack, the movement gear entirely through linear bearing with
Optical axis slidable connection, is fixedly connected between optical axis and straight-line guide rail slide block by fixed block, and spring one end is fixed on fixed block
On, the other end is resisted against on motor cabinet, and by the elastic force initial value of pre-set springs, spring is integrally resisted against gear is moved on rack
It is engaged transmission, as the gap size of the engagement of rack-and-pinion is different, spring can be by movement gear whole moment and rack
Meshing state is kept, so realizes the engaged transmission floated to eliminate the movement clearance of rack-and-pinion cooperation.The transmission mechanism
Gear is close to rack under spring force always, so as to solve the original error of gear, rack, and makes later
With in the process due to uneven wear etc. it is a series of in the case of the deviation brought, substantially increase transmission accuracy, and using
In the process, the adjustment in periodic motion gap need not also be carried out.
The present invention is described in further details below with reference to attached drawing.
Description of the drawings
Fig. 1 is the general transmission mechanism schematic diagram of traditional laser cutting machine provided by the invention;
Fig. 2 is that the laser cutting machine floating of the present invention disappears gap transmission mechanism schematic diagram;
Fig. 3 is that the laser cutting machine of the present invention floats the Section A-A schematic diagram of gap transmission mechanism of disappearing;
Fig. 4 is that the laser cutting machine of the present invention floats the section B-B schematic diagram of gap transmission mechanism of disappearing.
Reference sign:Servo motor 1, planetary reduction gear 2, eccentric adjusting disk 3, support plate 4, gear 5, rack 6, directly
Line guide rail slide block 7, the linear guide 8, bed piece 9, driving device 10, linear bearing 11, motor cabinet 12, spring 13 adjust spiral shell
Bolt 14, fixed block 15, the first fixed block 151, the second fixed block 152, optical axis 16.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term "center", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on ... shown in the drawings
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Term " first ", " second " are used for description purposes only, be not understood to indicate or imply relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more this feature;In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or
It is more than two.
The present invention provides a kind of floatings of laser cutting machine to disappear gap transmission mechanism, including driving device 10, gear 5, rack
6, straight-line guide rail slide block 7 and the linear guide 8, the straight-line guide rail slide block 7 are fixedly connected with the driving device 10, the driving
10 output end of device is connect with the gear 5, and the gear 5 is engaged with the rack 6, the rack 6 and the linear guide 8
It is each attached on bed piece 9, the straight-line guide rail slide block 7 is slidably connected in the linear guide 8, and transmission mechanism is also
Including spring 13, fixed block 15 and optical axis 16, the optical axis 16 is fixed on the fixed block 15, the fixed block 15 with it is described
Straight-line guide rail slide block 7 is fixedly connected, and the axis direction of the optical axis 16 is vertical with the orbital direction of the linear guide 8, spring
13 one end are fixed on fixed block 15, and the other end is resisted against in the driving device 10.It follows that being existing as shown in Figure 1
The general drive mechanism of laser cutting machine, the linear guide 8 and rack 6 be fixed on bed piece 9, and servo motor 1, planet subtract
Fast device 2 and eccentric adjusting disk 3 constitute a driving device 10, and driving device 10 is fixedly attached to together with straight-line guide rail slide block 7
In support plate 4, the output axis connection of gear 5 and planetary reduction gear 2,6 engaged transmission of gear 5 and rack, when gear 5 is driven,
Support plate 4 and upper all components being fixedly connected will all be slided along the linear guide 8 together, wherein between gear 5 and rack 6
Back lash be adjusted by eccentric adjusting disk 3.Fig. 2 to Fig. 4 is improved laser cutting machine gear 5 and rack 6
Transmission mechanism schematic diagram, it follows that straight-line guide rail slide block 7 and rack 6 are fixed on bed piece 9, driving device 10 includes
Servo motor 1, planetary reduction gear 2 and motor cabinet 12, three are fixedly connected into an entirety, and gear 5 is defeated with planetary reduction gear 2
Go out axis connection, straight-line guide rail slide block 7 and fixed block 15 are fixed in support plate 4, and optical axis 16 is fixed on fixed block 15, wherein
Fixed block 15 can be polylith, and optical axis 16 includes more, and 13 one end of spring is fixed on fixed block 15, and the other end is resisted against institute
It states on motor cabinet 12.Therefore, under the thrust of spring 13, motor cabinet 12, planetary reduction gear 2 and gear 5 are together to rack 6
It is close to, in gear 5 and 6 transmission process of rack, due to the presence of spring force, the two leans on tight fit always, floats to realize
The function for the gap that disappears, make in entire transmission process, gear 5 is close to rack 6 under spring force always, so as to solve
The certainly original error of gear 5, rack 6, and brought during later use since uneven wear etc. is a series of
Deviation, substantially increase transmission accuracy, and user is in use, need not also carry out the tune in periodic motion gap
It is whole.
Preferably scheme, transmission mechanism further include linear bearing 11, and the driving device 10 is solid with the linear bearing 11
Fixed connection, the linear bearing 11 are slidably connected on the optical axis 16.Thus structure it is found that as shown in Figures 2 to 4,
Driving device 10 by linear bearing 11 can sliding axially along optical axis 16, i.e., driving device 10 along the linear guide 8 rail
The movement in vertical direction in road forms sliding friction between linear bearing 11 and optical axis 16, protects driving device 10 from abrasion, also
Force of sliding friction can be reduced.
Preferably scheme, the fixed block 15 include the first fixed block 151 and the second fixed block 152, and described first fixes
Block 151 is equipped with the first hole, and second fixed block 152 is equipped with corresponding with the first hole on the first fixed block 151
The both ends of second hole, the optical axis 16 are born against in first hole and in second hole.It follows that such as
Shown in Fig. 3, the both ends of optical axis 16 are separately fixed on fixed block 15, therefore optical axis 16 is immovable with respect to bed piece 9, with light
The linear bearing 11 that axis 16 is slidably connected can slidably reciprocate along the axial direction of optical axis 16, and then linear bearing 11 drives motor cabinet
12, the track vertical direction of 5 relative rectilinear guide rail 8 of planetary reduction gear 2 and gear does relative motion, and realizes gear 5 and rack 6
It is opposite and mutually from movement.
Preferably scheme, transmission mechanism further include support plate 4, and the support plate 4 is fixedly connected with the straight-line guide rail slide block 7
With fixed block 15.Thus structure facilitates the installation of fixed block 15 to fix it is found that as shown in figure 3, support plate 4 plays connection function.
In other implement scenes, support plate 4 and fixed block 15 can also be processed a part.
Preferably scheme, transmission mechanism further include adjusting bolt 14, the adjusting bolt 14 and 15 screw thread of the fixed block
Connection, 14 one end of the adjusting bolt is connect with the spring 13.It follows that adjusting bolt 14 plays adjustment spring 13
The effect of elastic force reaches assembly precision by elastic force come the size by clamp force of Indirect method gear 5 and rack 6
It is required that.
Preferably scheme, the motor cabinet 12 are equipped with pilot hole, and the spring 13 is located in the pilot hole, the bullet
One end of spring 13 is fixed on the fixed block 15, and the other end is resisted against the bottom of the pilot hole.It follows that such as Fig. 3 institutes
Show, 13 one end of spring is deep into the hole of fixed block 15, and the other end is sleeved in pilot hole and compression is resisted against the bottom of pilot hole
Portion, corresponding outside fixed block 15 to be equipped with adjusting bolt 14, adjusting bolt 14 passes through fixed block 15 and is resisted against the one of spring 13
End, is threadedly coupled between adjusting bolt 14 and fixed block 15, and spring 13 can be compressed or be extended by reversing adjusting bolt 14,
And then realize gear 5 and rack 6 it is close with it is separate, achieve the purpose that floating fit.
Beneficial effects of the present invention:This laser cutting machine floating provided by the invention disappears gap transmission mechanism, including straight line
Bearing, fixed block, optical axis and spring, the linear guide, rack are fixed on bed piece, servo motor, planetary reduction gear, motor
Seat and gear are whole as a movement gear and engaged by wheel and rack, the movement gear entirely through linear bearing with
Optical axis slidable connection, is fixedly connected between optical axis and straight-line guide rail slide block by fixed block, and spring one end is fixed on fixed block
On, the other end is resisted against on motor cabinet, and by the elastic force initial value of pre-set springs, spring is integrally resisted against gear is moved on rack
It is engaged transmission, as the gap size of the engagement of rack-and-pinion is different, spring can be by movement gear whole moment and rack
Meshing state is kept, so realizes the engaged transmission floated to eliminate the movement clearance of rack-and-pinion cooperation.The transmission mechanism
Gear is close to rack under spring force always, so as to solve the original error of gear, rack, and makes later
With in the process due to uneven wear etc. it is a series of in the case of the deviation brought, substantially increase transmission accuracy, and using
In the process, the adjustment in periodic motion gap need not also be carried out.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
Be with the present invention it is same or analogous design all belong to the scope of protection of the present invention within.
Claims (6)
- The gap transmission mechanism 1. a kind of laser cutting machine floating disappears, including driving device (10), gear (5), rack (6), straight line are led Rail sliding block (7) and the linear guide (8), the straight-line guide rail slide block (7) are fixedly connected with the driving device (10), the driving Device (10) output end is connect with the gear (5), and the gear (5) is engaged with the rack (6), the rack (6) and institute It states the linear guide (8) to be each attached on bed piece (9), the straight-line guide rail slide block (7) is slidably connected at the linear guide (8) on, it is characterised in that:Further include spring (13), fixed block (15) and optical axis (16), the optical axis (16) is installed in described solid Determine on block (15), the fixed block (15) is fixedly connected with the straight-line guide rail slide block (7), the axis direction of the optical axis (16) Vertical with the orbital direction of the linear guide (8), spring (13) one end is fixed on fixed block (15), and the other end is resisted against institute It states in driving device (10).
- The gap transmission mechanism 2. laser cutting machine floating according to claim 1 disappears, it is characterised in that:It further include linear bearing (11), the driving device (10) is fixedly connected with the linear bearing (11), and the linear bearing (11) is slidably connected at institute It states on optical axis (16).
- The gap transmission mechanism 3. laser cutting machine floating according to claim 1 disappears, it is characterised in that:The fixed block (15) Including the first fixed block (151) and the second fixed block (152), first fixed block (151) is equipped with the first hole, and described the Two fixed blocks (152) are equipped with the second hole corresponding with the first hole on the first fixed block (151), the optical axis (16) Both ends are born against in first hole and in second hole.
- The gap transmission mechanism 4. laser cutting machine floating according to claim 1 disappears, it is characterised in that:It further include support plate (4), the straight-line guide rail slide block (7) and fixed block (15) are fixedly connected with the support plate (4).
- The gap transmission mechanism 5. laser cutting machine floating according to claim 1 disappears, it is characterised in that:It further include adjusting bolt (14), the adjusting bolt (14) is threadedly coupled with the fixed block (15), described adjusting bolt (14) one end and the spring (13) it connects.
- The gap transmission mechanism 6. laser cutting machine floating according to claim 1 disappears, it is characterised in that:The driving device (10) it is equipped with pilot hole, the spring (13) is located in the pilot hole, and one end of the spring (13) is fixed on described solid Determine on block (15), the other end is resisted against the bottom of the pilot hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810809757.3A CN108687450A (en) | 2018-07-23 | 2018-07-23 | A kind of floating of laser cutting machine disappears gap transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810809757.3A CN108687450A (en) | 2018-07-23 | 2018-07-23 | A kind of floating of laser cutting machine disappears gap transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108687450A true CN108687450A (en) | 2018-10-23 |
Family
ID=63850827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810809757.3A Pending CN108687450A (en) | 2018-07-23 | 2018-07-23 | A kind of floating of laser cutting machine disappears gap transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108687450A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006112528A (en) * | 2004-10-14 | 2006-04-27 | Funai Electric Co Ltd | Backlash removing device for transmission mechanism |
| CN101920417A (en) * | 2010-04-02 | 2010-12-22 | 无锡华联科技集团有限公司 | Transmission gap adjusting mechanism of gantry numerical control cutting machine |
| CN202132475U (en) * | 2011-07-05 | 2012-02-01 | 扬州锻压机床集团有限公司 | Adjusting device for backlash of gear and rack |
| CN202240168U (en) * | 2011-09-09 | 2012-05-30 | 济南铸造锻压机械研究所有限公司 | Automatic gap eliminating device for gear and rack transmission |
| CN103170748A (en) * | 2011-12-26 | 2013-06-26 | 苏州领创激光科技有限公司 | High-speed large-coverage laser cutting machine |
| CN208662847U (en) * | 2018-07-23 | 2019-03-29 | 武汉蓝讯数控设备有限公司 | A kind of floating of laser cutting machine disappears gap transmission mechanism |
-
2018
- 2018-07-23 CN CN201810809757.3A patent/CN108687450A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006112528A (en) * | 2004-10-14 | 2006-04-27 | Funai Electric Co Ltd | Backlash removing device for transmission mechanism |
| CN101920417A (en) * | 2010-04-02 | 2010-12-22 | 无锡华联科技集团有限公司 | Transmission gap adjusting mechanism of gantry numerical control cutting machine |
| CN202132475U (en) * | 2011-07-05 | 2012-02-01 | 扬州锻压机床集团有限公司 | Adjusting device for backlash of gear and rack |
| CN202240168U (en) * | 2011-09-09 | 2012-05-30 | 济南铸造锻压机械研究所有限公司 | Automatic gap eliminating device for gear and rack transmission |
| CN103170748A (en) * | 2011-12-26 | 2013-06-26 | 苏州领创激光科技有限公司 | High-speed large-coverage laser cutting machine |
| CN208662847U (en) * | 2018-07-23 | 2019-03-29 | 武汉蓝讯数控设备有限公司 | A kind of floating of laser cutting machine disappears gap transmission mechanism |
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Effective date of registration: 20190611 Address after: 430000 Qianzhuang Village, Guanshan Road, Donghu Ecotourism Scenic Area, Wuhan City, Hubei Province Applicant after: Wuhan Lanxun Technology Co., Ltd. Address before: 430223 No. 29, High-tech Fourth Road, Jiangxia District, Wuhan City, Hubei Province Applicant before: Wuhan LANCNC Technology Co., Ltd. |
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