CN105689905B - A kind of device of bent axle Laser Processing and the method laser machined to bent axle - Google Patents
A kind of device of bent axle Laser Processing and the method laser machined to bent axle Download PDFInfo
- Publication number
- CN105689905B CN105689905B CN201610252691.3A CN201610252691A CN105689905B CN 105689905 B CN105689905 B CN 105689905B CN 201610252691 A CN201610252691 A CN 201610252691A CN 105689905 B CN105689905 B CN 105689905B
- Authority
- CN
- China
- Prior art keywords
- bearing
- bent axle
- sliding block
- stepper motor
- laser processing
- 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.)
- Expired - Fee Related
Links
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
- B23K26/70—Auxiliary operations or equipment
-
- 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
- B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
-
- 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
- B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
- B23K26/356—Working by laser beam, e.g. welding, cutting or boring for surface treatment by shock processing
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
Abstract
The present invention relates to a kind of device of bent axle Laser Processing and the method laser machined to bent axle, including：Bent axle, three grab chuck, sliding block, stepper motor, ball-screw, bearing, bearing, workbench, guide pillar, leading screw bearing, bearing, shaft coupling, motor support base, stepper motor, power transmission shaft, bearing, laser.Bent axle is laser machined using the bent axle laser processing device of the present invention, the axis of rotation of crank spindle axle journal and connecting rod shaft neck can be made adjustable, and is adjusted more accurate；Use PLC control system simultaneously, can more precisely control the rotational angle of three stepper motors, and two sliding blocks displacement, reduce turn error, machining accuracy is improved, the purpose to the main shaft axle journal of bent axle and the precision laser working process of connecting rod shaft neck is reached.
Description
Technical field
The present invention relates to Laser Processing bent axle technical field, a kind of device of bent axle Laser Processing is refered in particular to and to bent axle laser
The method of processing.
Background technology
Flourishing for automobile industry proposes higher requirement and expectation to auto manufacturing, state IV/V rows of new generation
Standard automobile requirement is put with more preferable security, higher operational reliability, more environmentally friendly, more intelligent.Engine is as whole
The core component of automobile, has decisive influence to the operational reliability and performance of automobile.Bent axle be automobile engine by
Power is most concentrated, stressing conditions most complicated part, is also the part for being easiest to generation problem, and the quality of bent axle directly determines to start
The total quality of machine.The failure mode of bent axle is mainly shown as journal wear and fatigue fracture.In high-speed rotation, due to
Bear the collective effect of alternating bending and alternating torsion load, each critical section of bent axle transition circle especially between axle journal and crank
At angle, frequent stress is concentrated and causes crankshaft breakdown.Therefore, the fatigue strength of raising bent axle and life-span are to improving the whole of engine
Body reliability and security have very important significance.At present, Engine Industry corporate boss will take fillet rolling and shot-peening
Reinforcing carries out intensive treatment to bent axle, improves the fatigue strength and safe operating life of bent axle.But fillet rolling due to by
The limitation of crankshaft processing technology, each axle journal fillet is difficult to be coincide with roller, often results in gnawing for fillet and cuts phenomenon, and after rolling
Crankshaft deformation is larger, and effect is not good.Shot peening strengthening is it is possible to prevente effectively from above-mentioned situation occurs, but shot-peening process is to the table of bent axle
Surface roughness influence is larger, and residual compressive stress typically only 0.1-0.8mm of shot-peening formation.
The shock wave of intense pulse laser induction can change material in the deeper residual compressive stress layer of material surface formation
Microstructure microstructure and mechanical property, makes material yield strength produce obvious raising, therefore be also applied for Crankshaft Machining technology
Field.At present in Laser Processing process field, the new dress of positioning and clamping used in the new device of bent axle Laser Processing processing
It is five-coordinate linkage new device to put, but precision is not very high.Especially because the special construction of bent axle, its main shaft axle journal and company
Bar shaft neck is not on same center line, it is difficult to realize the revolution axle center of crank spindle axle journal and connecting rod shaft neck in processing
Regulation so that Laser Processing processing efficiency and precision substantially reduce.In addition also exist during Laser Processing processing bent axle
Deflection of crankshaft deformation, processing unit (plant) precision is low, working process is uneven, working process DeGrain the problem of.Therefore study
The new device of the Laser Processing processing of one efficient high energy has very great meaning.
The content of the invention
Because main shaft axle journal and connecting rod shaft neck be not on same center line during the bent axle of Laser Processing processing at present,
It is difficult to realize the regulation to crank spindle axle journal and the revolution axle center of connecting rod shaft neck in processing, cause what Laser Processing was handled
Efficiency and precision are substantially reduced.In order to solve the above technical problems, the invention provides a kind of device and right of bent axle Laser Processing
The method that bent axle is laser machined.
For achieving the above object, the technical scheme taken of the present invention is：A kind of device of bent axle Laser Processing, including
Laser and workbench, the two ends of the workbench are provided with the first bearing and the second bearing, and first holder top is provided with
First power transmission shaft, first power transmission shaft is connected with the first bearing revolute pair；Second holder top is passed provided with second
Moving axis, the second driving shaft is connected with the second bearing revolute pair；First is installed with first power transmission shaft to lead
Post, the first guide pillar upper end is provided with the first stepper motor, and lower end is provided with the first leading screw bearing, and the first ball-screw is arranged on institute
State between the first stepper motor and first leading screw bearing, the first sliding block is installed on first ball-screw, first slides
The one or three is provided with block and grabs chuck；The second driving shaft is provided with the second guide pillar, and the second guide pillar upper end is provided with second
Stepper motor, lower end is provided with the second leading screw bearing, and the second ball-screw is arranged on second stepper motor and described second
Between thick stick bearing, it is provided with second ball-screw and is provided with the two or three on the second sliding block, the second sliding block and grabs chuck.
In such scheme, first bearing is connected with first power transmission shaft by clutch shaft bearing；Second bearing
It is connected with the second driving shaft by second bearing.
In such scheme, the second driving shaft passes sequentially through the first half a coupler, the second half a coupler and the 3rd stepping
Motor connection.
In such scheme, the 3rd stepper motor is arranged on motor support base, and the motor support base is arranged on the work
Make on platform.
In such scheme, the workbench is provided with T-slot, and first bearing is connected with the T-slot prismatic pair.
In such scheme, it is all provided with first guide pillar, second guide pillar, first sliding block and second sliding block
There is graduation mark.
In such scheme, first stepper motor, second stepper motor, the 3rd stepper motor and it is described swash
Light device is connected with PLC control devices.
Present invention also offers a kind of method that device laser machined using bent axle is laser machined, including following step
Suddenly：A. bent axle oxide layer is removed, absorbed layer and restraint layer is smeared, regulates the parameters of laser；B. control to fill by PLC
Put, the control stepper motor of stepper motor first and the second stepper motor are rotated so that the first sliding block and the movement of the second sliding block, make the
Zero graduation line on one guide pillar, the second guide pillar, the first sliding block and the second sliding block is overlapped；C. first is controlled by PLC control devices
Stepper motor and the second stepper motor are rotated, and the first sliding block, the second sliding block is moved up apart from L, L is main bearing journal and song
The centre-to-centre spacing of axle rod journal；D. adjust the first bearing arrives suitable position, and grabs chuck and the two or three with the one or three and grab card
Disk is clamping by bent axle；E. adjust laser with PLC control devices and the 3rd stepper motor is rotated at the appropriate speed, to song
The rod journal of axle carries out Laser Processing processing；F. with same method, by control the first sliding block, the second sliding block movement away from
From come realize the Laser Processing to main shaft axle journal and another connecting rod shaft neck handle.
Beneficial effects of the present invention：（1）Three grab chuck using former and later two and fix, preferably can reduce at Laser Processing
Flexural deformation during reason, is favorably improved installation, degree of regulation.（2）Can be in Set and Positioning using automatic aligning system
While, make the axis of rotation of crank spindle axle journal and connecting rod shaft neck adjustable, and adjust more accurate, and can be suitably used for
The processing of the bent axle of various sizes, application is more extensive.（3）The present invention uses PLC control system, can be more accurately
Control three stepper motors rotational angle, and two sliding blocks displacement, reduce turn error, improve machining accuracy.（4）This
Invention can more be accurately controlled whole system of processing using PLC control system, improve the essence of bent axle Laser Processing processing
Degree and efficiency.（5）Two sliding blocks and two guide rails of the present invention are designed with graduation mark, 0 graduation mark in sliding block or guide rail just
Centre, can accurately control above and below displacement.（6）Laser of the present invention under the control of PLC system can above and below, left and right move
It is dynamic, more accurate Working position is reached, realizes that the accurate Laser Processing to main shaft axle journal and connecting rod shaft neck is handled.
Brief description of the drawings
Fig. 1 is the structural representation that bent axle of the present invention laser machines processing unit.
In figure：1. chuck is grabbed bent axle, 2. the 1st, 3. first sliding blocks, 4. first stepper motors, 5. first ball-screws,
6. the first power transmission shaft, 7. clutch shaft bearings, 8. first bearings, 9. workbench, 10. first guide pillars, 11. first leading screw bearings, 12.
Two or three grab chuck, 13. second leading screw bearings, 14. second ball-screws, 15. second guide pillars, 16. second bearings, and 17. the first half
Shaft coupling, 18. second half a couplers, 19. motor support bases, 20. the 3rd stepper motors, 21. second driving shafts, 22. second bearings,
23. the second stepper motor, 24. second sliding blocks, 25. lasers.L1：The center line of journal of wherein one pitman shaft, L3 on bent axle：
The center line of journal of an other pitman shaft, L2 on bent axle：Crank spindle center line of journal.
Embodiment
Embodiment is described in further detail to the present invention below in conjunction with the accompanying drawings.
As shown in figure 1, the new device of bent axle Laser Processing processing includes laser 25 and workbench 9, the workbench 9
Two ends the first bearing 8 and the second bearing 16 be installed, the top of the first bearing 8 is provided with clutch shaft bearing 7, the first power transmission shaft 6
It is connected by clutch shaft bearing 7 with the first bearing revolute pair；The top of second bearing 16 is provided with second bearing 22, described the
Two power transmission shafts 21 are connected by second bearing 22 with the revolute pair of the second bearing 16；
The first guide pillar 10 is installed with first power transmission shaft 6, the upper end of the first guide pillar 10 is provided with the first stepping
Motor 4, lower end is provided with the first leading screw bearing 11, and the first ball-screw 5 is arranged on first stepper motor 4 and described first
Between thick stick bearing 11, it is provided with first ball-screw 5 and is provided with the one or three on first sliding block 3, the first sliding block 3 and grabs chuck
2；The second driving shaft 21 is provided with the second guide pillar 15, and the upper end of the second guide pillar 15 is provided with the second stepper motor 23, lower end
Provided with the second leading screw bearing 13, the second ball-screw 14 is arranged on second stepper motor 23 and second leading screw bearing 13
Between, it is provided with second ball-screw 14 and is provided with the two or three on second sliding block 24, the second sliding block 24 and grabs chuck 12.Institute
State the input of second driving shaft 21 and pass sequentially through the first half a coupler 17, the second half a coupler 18 and connect with the 3rd stepper motor 20
Connect.3rd stepper motor 20 is arranged on motor support base 19, and the motor support base 19 is arranged on the workbench 9.Institute
Workbench 9 is stated provided with T-slot, first bearing 8 is connected with the T-slot prismatic pair.First guide pillar 10, described
Graduation mark is equipped with two guide pillars 15, first sliding block 3 and second sliding block 24.First stepper motor 4, described
Two stepping motor 23, the 3rd stepper motor 20 and the laser 25 are connected with PLC control devices.
The method that the device for laser machining processing using above-mentioned bent axle laser machine processing to bent axle is as follows：A. remove
The oxide layer of bent axle 1, smears absorbed layer and restraint layer, regulates the parameters of laser.B. by PLC control devices, control
The rotation of first stepper motor 4 and the second stepper motor 23 so that the first sliding block 3 and the second sliding block 24 are moved, and make two sliding blocks
Zero graduation line overlapped with the zero graduation line of two guide pillars.C. the first stepper motor 4 and second step are controlled by PLC control devices
Stepper motor 23 is rotated, and the first sliding block sliding block 3 and the second sliding block 24 is moved up L, L=crank spindle axle journal and crankshaft connecting rod axle
The centre-to-centre spacing of axle journal, even if the center line L3 of crankshaft-link rod shaft neck is overlapped with the shaft centre line of second driving shaft 21.D. adjust
First bearing 8 arrive suitable position.E. grabbing chuck 2 and the 2nd 3 with the one or three, to grab chuck 12 clamping by bent axle 1.F. use
PLC control devices regulation laser 25 arrives suitable position.G. the 3rd stepper motor 20 is controlled with suitable with PLC control devices
Speed is rotated, and can carry out Laser Processing processing to connecting rod shaft neck；H. with same method, the He of the first sliding block sliding block 3 is adjusted
The displacement of second sliding block 24, can carry out Laser Processing processing to main shaft axle journal and another connecting rod shaft neck.
Claims (8)
1. a kind of device of bent axle Laser Processing, including laser（25）And workbench（9）, it is characterised in that the workbench
（9）Two ends the first bearing is installed（8）With the second bearing（16）, first bearing（8）Top is provided with the first power transmission shaft
（6）, first power transmission shaft（6）It is connected with the first bearing revolute pair；Second bearing（16）Top is passed provided with second
Moving axis（21）, the second driving shaft（21）With second bearing（16）Revolute pair is connected；First power transmission shaft（6）It is upper solid
Dingan County is equipped with the first guide pillar（10）, first guide pillar（10）Upper end is provided with the first stepper motor（4）, lower end is provided with the first leading screw
Bearing（11）, the first ball-screw（5）Installed in first stepper motor（4）With first leading screw bearing（11）Between,
First ball-screw（5）On the first sliding block is installed（3）, the first sliding block（3）On be provided with the one or three and grab chuck（2）；Institute
State second driving shaft（21）It is provided with the second guide pillar（15）, second guide pillar（15）Upper end is provided with the second stepper motor（23）,
Lower end is provided with the second leading screw bearing（13）, the second ball-screw（14）Installed in second stepper motor（23）With described second
Leading screw bearing（13）Between, second ball-screw（14）On the second sliding block is installed（24）, the second sliding block（24）It is upper to install
There is the two or three to grab chuck（12）.
2. a kind of device of bent axle Laser Processing according to claim 1, it is characterised in that first bearing（8）With
First power transmission shaft（6）Pass through clutch shaft bearing（7）Connection；Second bearing（16）With the second driving shaft（21）Pass through
Second bearing（22）Connection.
3. a kind of device of bent axle Laser Processing according to claim 1 or 2, it is characterised in that the second driving shaft
（21）Pass sequentially through the first half a coupler（17）, the second half a coupler（18）With the 3rd stepper motor（20）Connection.
4. a kind of device of bent axle Laser Processing according to claim 3, it is characterised in that the 3rd stepper motor
（20）Installed in motor support base（19）On, the motor support base（19）Installed in the workbench（9）On.
5. a kind of device of bent axle Laser Processing according to claim 3, it is characterised in that the workbench（9）On set
There are T-slot, first bearing（8）It is connected with the T-slot prismatic pair.
6. a kind of device of bent axle Laser Processing according to claim 3, it is characterised in that first guide pillar（10）、
Second guide pillar（15）, first sliding block（3）With second sliding block（24）On be equipped with graduation mark.
7. a kind of device of bent axle Laser Processing according to claim 3, it is characterised in that first stepper motor
（4）, second stepper motor（23）, the 3rd stepper motor（20）With the laser（25）With PLC control devices
Connection.
8. the method that a kind of device of bent axle Laser Processing using described in claim 3 is laser machined, including following step
Suddenly：
A. bent axle is removed（1）Oxide layer, smears absorbed layer and restraint layer, regulates the parameters of laser (25)；
B. by PLC control devices, the first stepper motor is controlled（4）With the second stepper motor（23）Rotate so that the first sliding block
（3）With the second sliding block（24）It is mobile, make the first guide pillar（10）, the second guide pillar（15）, the first sliding block（3）With the second sliding block（24）On
Zero graduation line overlap；
C. the first stepper motor is controlled by PLC control devices（4）With the second stepper motor（23）Rotate, make the first sliding block（3）、
Second sliding block（24）Move up apart from L, L is the centre-to-centre spacing of main bearing journal and rod journal；
D. the first bearing is adjusted（8）Arrive suitable position, and grab chuck with the one or three（2）Chuck is grabbed with the two or three（12）By song
Axle（1）It is clamping；
E. with PLC control devices regulation laser（25）With the 3rd stepper motor（20）Rotate at the appropriate speed, to bent axle
Rod journal carries out Laser Processing processing；
F. with same method, by controlling the first sliding block（3）, the second sliding block（24）Displacement realize to main shaft axle journal
Laser Processing with another connecting rod shaft neck is handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610252691.3A CN105689905B (en) | 2016-04-22 | 2016-04-22 | A kind of device of bent axle Laser Processing and the method laser machined to bent axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610252691.3A CN105689905B (en) | 2016-04-22 | 2016-04-22 | A kind of device of bent axle Laser Processing and the method laser machined to bent axle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105689905A CN105689905A (en) | 2016-06-22 |
| CN105689905B true CN105689905B (en) | 2017-09-05 |
Family
ID=56217315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610252691.3A Expired - Fee Related CN105689905B (en) | 2016-04-22 | 2016-04-22 | A kind of device of bent axle Laser Processing and the method laser machined to bent axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105689905B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175403B (en) * | 2017-07-13 | 2022-12-09 | 山东大学 | Engine crankshaft fillet laser cladding repair device and method |
| CN110666335B (en) * | 2017-11-23 | 2021-07-16 | 临沂边锋自动化设备有限公司 | Assembly equipment for connecting type transmission crankshaft with clamping device |
| CN112676896A (en) * | 2020-12-24 | 2021-04-20 | 安徽华旦机械制造有限公司 | High-precision crankshaft machining machine tool and intelligent fault diagnosis system thereof |
| CN112746147B (en) * | 2020-12-31 | 2024-04-05 | 江苏罡阳股份有限公司 | Device and method for machining crankshaft by single-station laser quenching and tempering |
| CN112760474A (en) * | 2021-01-26 | 2021-05-07 | 李言哄 | Hot processing device for automobile accessory crankshaft |
| CN113442046B (en) * | 2021-09-02 | 2021-11-05 | 江苏绿能汽配科技有限公司 | Burnishing device for auto parts |
| CN114043329B (en) * | 2021-11-19 | 2022-12-02 | 山东沂水机床厂有限公司 | Crankshaft cleaning and deburring integrated device and method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4271346A (en) * | 1978-11-02 | 1981-06-02 | Hardy Welded Products, Inc. | Welding apparatus capable of welding axially offset portions |
| CN2417960Y (en) * | 2000-04-30 | 2001-02-07 | 李法岗 | Gantry-type laser machine-tool frame with functions of boring, quenching and grinding |
| CN201217138Y (en) * | 2008-06-20 | 2009-04-08 | 南车戚墅堰机车有限公司 | Crankshaft turning device |
| CN201915147U (en) * | 2010-09-13 | 2011-08-03 | 甘肃景程光电技术有限公司 | Locomotive crankshaft laser cladding system with YAG (yttrium aluminum garnet) laser device as light source |
| DE102011113758B4 (en) * | 2011-09-18 | 2020-12-31 | Mag Ias Gmbh | Method and device for finishing workpieces |
| KR101461883B1 (en) * | 2012-12-28 | 2014-11-14 | 현대자동차 주식회사 | Heat treatment apparatus for crank shaft |
-
2016
- 2016-04-22 CN CN201610252691.3A patent/CN105689905B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN105689905A (en) | 2016-06-22 |
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