CN107414314B - A kind of connecting rod vision auxiliary positioning laser grooving device and control method - Google Patents
A kind of connecting rod vision auxiliary positioning laser grooving device and control method Download PDFInfo
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- CN107414314B CN107414314B CN201710611487.0A CN201710611487A CN107414314B CN 107414314 B CN107414314 B CN 107414314B CN 201710611487 A CN201710611487 A CN 201710611487A CN 107414314 B CN107414314 B CN 107414314B
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- crank pin
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- end pore
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention discloses a kind of connecting rod vision auxiliary positioning laser grooving device, including workbench, workbench top surface side is fixed with driving cylinder pedestal, driving cylinder base top surface fixes driving cylinder, driving cylinder power output end is connected with crank pin end pore tie rod, the crank pin end pore tie rod other end is connected to crank pin end pore inner peripheral surface, and workbench top surface is also connected with connecting rod small end hole tie rod and penetrates in connecting rod small end hole；Crank pin end pore overcentre is equipped with industrial camera and is electrically connected with computer processor, computer processor also passes through controller and is electrically connected with laser mobile platform, it is equipped with laser at the top of laser mobile platform to be movable to above crank pin end pore to crank pin end pore inner peripheral surface progress con-rod fracture splitting slot laser cutting, the present invention also proposes a kind of control method using connecting rod vision auxiliary positioning laser grooving device.Compared with the prior art, technical solution of the present invention has many advantages, such as that structure is simple, cost is relatively low, Efficient Operation, mature and reliable and maintenance easy to disassemble.
Description
Technical field
The present invention relates to vision assistant positioning system field, in particular to a kind of connecting rod vision auxiliary positioning laser grooving dress
It sets and control method.
Background technique
Computer vision refers to so that machine has the function of visual perception, take application as the dedicated vision system of research background,
Computer vision can provide to the relevant scene description of a certain particular task of execution.Machine vision can be known by visual sensor
Environment two dimensional image, and analyzed and explained by vision processor, and then be converted to symbol, allowing robot to have can
It identifies object and obtains the data information of object, finally export mechanically actuated instruction.Now, computer vision technology has been able to
Solve the problems, such as industrial automatic identification.
In automobile connecting bar splitter processing technology, using laser processing automobile connecting bar splitter technology gradual perfection,
In by laser machine splitter have many advantages, such as joint-cutting is narrow, speed fastly, without tool wear, fracture quality can be increased substantially,
It is the development trend that initial cracking groove is processed in con-rod fracture splitting technology.
In the prior art, generally use laser in the Y-axis of three coordinates by laser machining automobile connecting bar splitter method
And Z-direction is accordingly moved, fixture in X-direction by adjusting.Its processing sequence is that laser is moved from origin position
It moving to after first cutting position, laser moves down and issues laser cutting left side splitter, and laser moves up,
Y direction translation, laser move still further below and issue laser cutting the right splitter after rotating 180 °, then laser is upward
It moves and resets.Before connecting rod cutting processing, technologist needs by manually adjusting and calculating swashing for corresponding both sides splitter
Light Working position, by calculating distance, to determine the defocusing amount of con-rod fracture splitting slot processing.In addition it when equipment is installed, needs
Guarantee crank pin end pore center face Y-axis zero point, but is difficult to avoid that the position upper deviation when part of appliance installation.
Therefore, the laser processing distance for manually adjusting and calculating corresponding both sides cutting position, needs by debugging manually
So that laser and big end hole circumferential surface are in contact to obtain cutting position coordinate, then calculate addition processing distance, rear input system, weight
Multiple above step is to obtain another side Working position coordinate, this process is cumbersome, and there may be human errors for actual measurement.Simultaneously
When crank pin end pore center is directed at Y-axis zero point, because of component installation and artificial debugging setting appearance distance deviation, system is caused to be missed
Difference, and the error is finally transmitted to the processing of con-rod fracture splitting slot.
Summary of the invention
The main object of the present invention is to propose that a kind of structure is simple, cost is relatively low, Efficient Operation, mature and reliable and be convenient for
It dismounts the connecting rod vision auxiliary positioning laser grooving device of maintenance and a kind of control method is provided, it is intended to which essence is positioned manually in solution
Degree is not high, influences crank pin end pore splitter machining accuracy technical problem.
To achieve the above object, the present invention proposes a kind of connecting rod vision auxiliary positioning laser grooving device, including for putting
Connecting rod workpiece and horizontally disposed workbench are set, workbench top surface side stationary phase is connected with driving cylinder pedestal, the driving
Cylinder base top surface is fixedly connected with driving cylinder, and the power output end of the driving cylinder is connected with crank pin end pore tie rod one end,
The crank pin end pore tie rod other end is connected to crank pin end pore inner peripheral surface, and the workbench top surface is also connected with connecting rod
Small head bore tie rod penetrates in connecting rod small end hole；Crank pin end pore overcentre is equipped with industrial camera, industrial camera and computer
Processor electrical connection, the computer processor also pass through controller and are electrically connected with laser mobile platform, and the laser is mobile flat
It is movable to above crank pin end pore at the top of platform equipped with laser and crank pin end pore inner peripheral surface progress con-rod fracture splitting slot laser is cut
It cuts.
Preferably, the lower section of the industrial camera is equipped with enlarging lens, and the industrial camera is clapped by the enlarging lens
Take the photograph crank pin end pore image；Light source is additionally provided with below the industrial camera, light source passes through at light source controller and the computer
Reason device is electrically connected, and the light of the light source is irradiated in connecting rod workpiece surface.
Preferably, it is curved surface that the crank pin end pore tie rod, which is connected to the one end side of crank pin end pore inner peripheral surface,.
Preferably, one end thickness of the crank pin end pore tie rod tension linkage big end hole is less than crank pin end pore half
Diameter.
Preferably, the crank pin end pore tie rod U-shaped profile, connecting rod small end hole tie rod cross section are in L
Shape.
Preferably, it is recessed to be equipped with first for the workbench top surface between the driving cylinder pedestal and the crank pin end pore
Slot, the crank pin end pore tie rod are placed in first groove, the workbench below the connecting rod small end hole
Top surface is equipped with the second groove, and connecting rod small end hole tie rod bottom surface is fixed in second groove.
Preferably, the top plate that can be connected to crank pin end pore outer peripheral surface is equipped with above first groove, under the top plate
Side is equipped with vacancy and is passed through by the crank pin end pore tie rod.
Preferably, it the workbench top surface and is symmetrically arranged with about connecting rod central axis in the middle part of elastic clamping connecting rod
The side collet of side.
The present invention also proposes a kind of control method using the connecting rod vision auxiliary positioning laser grooving device, including with
Lower step:
1) after connecting rod workpiece is clamped and fastened on workbench top surface, light-source brightness described in the light-source controller controls is simultaneously
It is irradiated in connecting rod workpiece surface, the industrial camera focuses on crank pin end pore by the enlarging lens；
2) it is located at the industrial camera right above crank pin end pore and takes crank pin end pore by the enlarging lens
Image is simultaneously sent to the computer processor, and the computer processor handles image recognition big end by vision software
Hole profile, and calculate obtain the center position coordinates of crank pin end pore, crank pin end pore inner peripheral surface two sides Working position coordinate with
And laser initial manufacture position coordinates；
3) computer processor controls the laser mobile platform movement, and the laser is moved to laser
Initial manufacture position coordinates, the laser, which moves down and issues laser, adds the unilateral circumferential surface of crank pin end pore inner peripheral surface progress
Work, laser moves up after processing, after the computer processor control laser mobile platform translates along the y axis,
Laser, which overturns 180 ° and moves still further below, carries out splitter processing to the crank pin end pore inner peripheral surface other side, after completion of processing, swashs
Light device is moved up and is resetted.
Technical solution of the present invention carries out shooting to crank pin end pore by using industrial camera and believes the image taken
Breath is sent to computer processor, and computer processor obtains corresponding processing positioning coordinate, meter according to image analysis processing
Calculation machine processor controls laser mobile platform by controller and carries out corresponding position movement to crank pin end pore progress to laser
Splitter processing.In addition, technical solution of the present invention connecting rod vision auxiliary positioning laser grooving device uses light-source controller controls
Light-source brightness, by enlarging lens to guarantee that industrial camera takes clearly crank pin end pore image data.The present invention simultaneously
Technical solution obtains laser using vision auxiliary positioning using the control method of connecting rod vision auxiliary positioning laser grooving device
Cutting position coordinate can avoid in the prior art by manually adjusting the technology for causing position data not accurate and cumbersome
Problem is conducive to simplify laser cutting finder.
And the connecting rod vision auxiliary positioning laser grooving device of technical solution of the present invention is swashed using vision auxiliary positioning
Light device cutting position coordinate guarantees that laser cutting cracking groove location is accurate, so that symmetrical cleavage slot Working position deviation is controllable,
It avoids generating biggish symmetrical cleavage groove location deviation, therefore solves laser cutting in the prior art and crack the inaccurate of groove location
True problem.
Therefore the connecting rod vision auxiliary positioning laser grooving device of technical solution of the present invention is with cost is relatively low, efficiently transports
The advantages that work, mature and reliable and maintenance easy to disassemble.
In addition, the one end side that crank pin end pore tie rod is connected to crank pin end pore inner peripheral surface is curved surface, so that
Crank pin end pore tie rod is more bonded when tensing to crank pin end pore inner peripheral surface and makes to position relatively reliable.Big end
One end thickness of hole tie rod tension linkage big end hole is less than big end pore radius, adds to avoid laser progress splitter is influenced
Work.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of connecting rod vision auxiliary positioning laser grooving device of the present invention；
Fig. 2 is Machining of Connecting Rod position coordinates sign picture of the present invention.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 1 | Workbench | 8 | Controller |
| 2 | Driving cylinder pedestal | 9 | Computer processor |
| 3 | Driving cylinder | 10 | Light source controller |
| 4 | Crank pin end pore tie rod | 11 | Industrial camera |
| 5 | Connecting rod | 12 | Enlarging lens |
| 51 | Crank pin end pore | 13 | Light source |
| 52 | Connecting rod small end hole | 14 | Laser mobile platform |
| 6 | Connecting rod small end hole tie rod | 15 | Laser |
| 7 | Side collet | 16 | Top plate |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
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 description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of connecting rod vision auxiliary positioning laser grooving device.
Referring to Figure 1, in connecting rod vision auxiliary positioning laser grooving device of the embodiment of the present invention, including for the company of placement
Bar 5 and horizontally disposed workbench 1,1 top surface side stationary phase of workbench are connected with driving cylinder pedestal 2, and driving cylinder pedestal 2 pushes up
Face stationary phase is connected with driving cylinder 3, and the power output end of driving cylinder 3 is connected with 4 one end of crank pin end pore tie rod, crank pin end pore
4 other end of tie rod is connected to 51 inner peripheral surface of crank pin end pore, and 4 top surface of workbench is also connected with connecting rod small end hole tie rod 6
It penetrates in connecting rod small end hole 52,51 overcentre of crank pin end pore is equipped with industrial camera 11, industrial camera 11 and computer disposal
Device 9 is electrically connected, and computer processor 9 is also electrically connected by controller 8 with laser mobile platform 14,14 top of laser mobile platform
51 top of crank pin end pore is movable to equipped with laser 15 and con-rod fracture splitting slot laser is carried out to 51 inner peripheral surface of crank pin end pore
Cutting.
In the embodiment of the present invention, the lower section of industrial camera 11 is equipped with enlarging lens 12, and industrial camera 11 can pass through magnifying glass
51 image of crank pin end pore of first 12 shooting lower section, while light source 13 is additionally provided with below industrial camera 11, light source 13 passes through light source
Controller 10 is electrically connected with computer processor 9, and the light of light source 13 is irradiated in 5 upper surface of connecting rod.
In the embodiment of the present invention, the one end side that crank pin end pore tie rod 4 is connected to 51 inner peripheral surface of crank pin end pore is
Curved surface.Preferably, one end thickness of 4 tension linkage big end hole 51 of crank pin end pore tie rod is less than 51 radius of crank pin end pore.
4 U-shaped profile of crank pin end pore tie rod in the present embodiment, 6 cross section of connecting rod small end hole tie rod are L-shaped simultaneously.
In the embodiment of the present invention, it is recessed that 1 top surface of workbench between driving cylinder pedestal 2 and crank pin end pore 51 is equipped with first
Slot, 4 bottom surface of crank pin end pore tie rod are butted on the groove top face of the first groove, 1 top surface of workbench of 52 lower section of connecting rod small end hole
Equipped with the second groove, 6 bottom surface of connecting rod small end hole tie rod is fixed in the second groove.Preferably, being equipped with above the first groove can
It is connected to the top plate 16 of 51 outer peripheral surface of crank pin end pore, vacancy is equipped with below top plate 16 and is passed through by crank pin end pore tie rod 4.
In the embodiment of the present invention, 1 top surface of workbench and being symmetrically arranged with about 5 central axis of connecting rod is close to for elastic clip
The side collet 7 of side in the middle part of bar.
The present invention also proposes a kind of control method using above-mentioned connecting rod vision auxiliary positioning laser grooving device, including with
Lower step:
1) after connecting rod 5 is clamped and fastened on 1 top surface of workbench, light source controller 10 controls 13 brightness of light source and is irradiated in
5 upper surface of connecting rod, industrial camera 1 focus on crank pin end pore 51 by enlarging lens 12；
2) it is located at the industrial camera 11 right above crank pin end pore 51 and takes crank pin end pore 51 by enlarging lens 12
Image is simultaneously sent to computer processor 9, and computer processor 9 handles image recognition crank pin end pore 51 by vision software and takes turns
Exterior feature, and calculate obtain the center position coordinates of crank pin end pore 51,51 inner peripheral surface two sides Working position coordinate of crank pin end pore with
And laser initial manufacture position coordinates；
3) computer processor 9 controls the movement of laser mobile platform 14 by controller 8, laser 15 is moved to sharp
Light device initial manufacture position coordinates, laser 15, which moves down and issues laser, carries out unilateral week to 51 inner peripheral surface of crank pin end pore
Face processing, laser 15 moves up after processing, after the control laser mobile platform 14 of computer processor 9 translates along the y axis,
180 ° of the overturning of laser 15 is moved still further below carries out processing splitter processing to the 51 inner peripheral surface other side of crank pin end pore, processes
Bi Hou, laser 15 are moved up and are resetted.
Referring to Figure 1 and Fig. 2, below to the working principle of connecting rod vision auxiliary positioning laser grooving device be described as
Under:
Connecting rod 5 is placed in 1 top surface of workbench by operator, is connected so that one end of crank pin end pore tie rod 4 is inserted into
In bar big end hole 51, and in 6 tie rod of connecting rod small end hole insertion connecting rod small end hole 52.Then by being fixedly connected on driving cylinder bottom
The outside output power of driving cylinder 3 of 2 top surfaces of seat tenses crank pin end pore tie rod 4 to 3 side of driving cylinder, so that connecting rod
4 one end of big end hole tie rod tenses crank pin end pore 51, the small head bore tie rod 4 of coupler link to connecting rod small end hole 52 into
Row tenses, so that connecting rod 5 is finally tightened up fixation.Simultaneously be set to the top plate 16 above the first groove to crank pin end pore 51 outside
Circumferential surface abuts positioning, and is set to 1 top surface of workbench and is symmetrical arranged about 5 central axis of connecting rod for elastic clamping connecting rod
The side collet 7 at 5 middle parts side further clamps positioning to 5 side of connecting rod.
After connecting rod 5 is clamped and fastened on 1 top surface of workbench, by light source controller 10 control light source 13 brightness and
So that light source 13 is irradiated in 5 upper surface of connecting rod, by adjusting the distance between enlarging lens 12 and industrial camera 11, so that industrial
Camera 11 can focus on crank pin end pore 51 by enlarging lens 12.Industrial camera 11 right above crank pin end pore 51
51 image of crank pin end pore is taken by enlarging lens 12 and is sent to computer processor 9, wherein computer processor 9
Image pick-up card will collect 51 image of crank pin end pore by vision software carry out identifying processing, including to picture carry out ash
It spends information processing and is filtered by computer disposal degree algorithm, and crank pin end pore is identified by threshold process
51 appearance profile, eventually by center position coordinates c, 51 inner peripheral surface two of crank pin end pore for calculating acquisition crank pin end pore 51
Side Working position coordinate a and d, laser initial manufacture position coordinates b.
Computer processor 9 carries out laser mobile platform 1 according to calculated corresponding coordinate data, by controller 8
Control movement, and laser 15 is moved to laser initial manufacture position coordinates b, then laser 15 is made to be moved to it again
The Working position a of middle side, laser 15, which moves down and issues laser, carries out unilateral circumferential surface to 51 inner peripheral surface of crank pin end pore
Processing, after unilateral splitter processing, laser 15 is moved up, and computer processor 9 controls laser mobile platform along Y-axis side
To be moved to other side Working position d and make laser 15 carry out overturning 180 °, computer processor 9 control laser 15 to
Lower movement simultaneously carries out processing splitter to the 51 inner peripheral surface other side of crank pin end pore, after the processing of other side splitter, laser 15
It moves up and is resetted.
The connecting rod vision auxiliary positioning laser grooving device of the embodiment of the present invention is big to connecting rod by using industrial camera 11
Head bore 51 carries out shooting and the image information taken is sent to computer processor 9, and computer processor 9 is according to image point
To obtain the coordinate of processing positioning accordingly, computer processor 9 controls laser mobile platform 14 to sharp by controller 8 for analysis processing
It is mobile to the progress splitter processing of crank pin end pore 51 that light device 15 carries out corresponding position.In addition, connecting rod vision of the embodiment of the present invention
Auxiliary positioning laser grooving device controls light-source brightness using light source controller 10, by enlarging lens 12 to guarantee industrial camera
11 take clearly 51 image data of crank pin end pore.The embodiment of the present invention is cut using connecting rod vision auxiliary positioning laser simultaneously
The control method of slot device obtains laser cutting position coordinate using vision auxiliary positioning, can avoid passing through hand in the prior art
It is dynamic to adjust the technical problem for causing position data not accurate and cumbersome, be conducive to simplify laser cutting finder.And
The connecting rod vision auxiliary positioning laser grooving device of the embodiment of the present invention obtains laser cutting position using vision auxiliary positioning
Coordinate guarantees that laser cutting cracking groove location is accurate, so that symmetrical cleavage slot Working position deviation is controllable, avoids generating larger
Symmetrical cleavage groove location deviation, therefore solve the problems, such as the inaccurate of the cutting cracking groove location of laser 15 in the prior art.
Therefore the embodiment of the present invention connecting rod vision auxiliary positioning laser grooving device have cost is relatively low, Efficient Operation,
The advantages that mature and reliable and maintenance easy to disassemble.
In addition, the one end side that crank pin end pore tie rod 4 is connected to 51 inner peripheral surface of crank pin end pore is curved surface, make in this way
It obtains when crank pin end pore tie rod 4 tenses 51 inner peripheral surface of crank pin end pore and is more bonded and makes to position relatively reliable.Even
One end thickness of 4 tension linkage big end hole 51 of bar big end hole tie rod is less than 51 radius of crank pin end pore, to avoid laser is influenced
Carry out splitter processing.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the design of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/it is used in it indirectly
He is included in scope of patent protection of the invention relevant technical field.
Claims (9)
1. a kind of connecting rod vision auxiliary positioning laser grooving device, which is characterized in that including for placing connecting rod workpiece and level
The workbench of setting, workbench top surface side stationary phase are connected with driving cylinder pedestal, and the driving cylinder base top surface is fixed to be connected
It is connected to driving cylinder, the power output end of the driving cylinder is connected with crank pin end pore tie rod one end, and the crank pin end pore is drawn
The tight bar other end is connected to crank pin end pore inner peripheral surface, and the workbench top surface is also connected with connecting rod small end hole tie rod and penetrates
In connecting rod small end hole；Crank pin end pore overcentre is equipped with industrial camera, and industrial camera is electrically connected with computer processor, described
Computer processor also passes through controller and is electrically connected with laser mobile platform, and being equipped with laser at the top of the laser mobile platform can
It is moved to above crank pin end pore and con-rod fracture splitting slot laser cutting is carried out to crank pin end pore inner peripheral surface.
2. connecting rod vision auxiliary positioning laser grooving device as described in claim 1, which is characterized in that the industrial camera
Lower section is equipped with enlarging lens, and the industrial camera shoots crank pin end pore image by the enlarging lens；The industrial camera
Lower section is additionally provided with light source, and light source is electrically connected by light source controller and the computer processor, the light irradiation of the light source
In connecting rod workpiece surface.
3. connecting rod vision auxiliary positioning laser grooving device as described in claim 1, which is characterized in that the crank pin end pore
The one end side that tie rod is connected to crank pin end pore inner peripheral surface is curved surface.
4. connecting rod vision auxiliary positioning laser grooving device as claimed in claim 3, which is characterized in that the crank pin end pore
One end thickness of tie rod tension linkage big end hole is less than big end pore radius.
5. connecting rod vision auxiliary positioning laser grooving device as claimed in claim 4, which is characterized in that the crank pin end pore
Tie rod U-shaped profile, connecting rod small end hole tie rod cross section are L-shaped.
6. connecting rod vision auxiliary positioning laser grooving device as described in claim 1, which is characterized in that the driving cylinder pedestal
The workbench top surface between the crank pin end pore is equipped with the first groove, and the crank pin end pore tie rod is placed in
In first groove, the workbench top surface below the connecting rod small end hole is equipped with the second groove, the small end of connecting rod
Hole tie rod bottom surface is fixed in second groove.
7. connecting rod vision auxiliary positioning laser grooving device as claimed in claim 6, which is characterized in that on first groove
Side is equipped with the top plate that can be connected to crank pin end pore outer peripheral surface, is equipped with vacancy below the top plate and is tensed by the crank pin end pore
Bar passes through.
8. connecting rod vision auxiliary positioning laser grooving device as described in claim 1, which is characterized in that the workbench top
Face and the side collet for side in the middle part of elastic clamping connecting rod is symmetrically arranged with about connecting rod central axis.
9. a kind of control method using the connecting rod vision auxiliary positioning laser grooving device as described in claim 1 to 8 is any,
It is characterized in that, comprising the following steps:
1) after connecting rod workpiece is clamped and fastened on workbench top surface, light-source brightness described in the light-source controller controls simultaneously irradiates
In connecting rod workpiece surface, the industrial camera focuses on crank pin end pore by the enlarging lens；
2) it is located at the industrial camera right above crank pin end pore and takes crank pin end pore image by the enlarging lens
And it is sent to the computer processor, the computer processor handles image recognition crank pin end pore wheel by vision software
Exterior feature, and calculate the center position coordinates for obtaining crank pin end pore, crank pin end pore inner peripheral surface two sides Working position coordinate and swash
Light device initial manufacture position coordinates；
3) computer processor controls the laser mobile platform movement, and it is initial that the laser is moved to laser
Working position coordinate, the laser, which moves down and issues laser, carries out unilateral circumferential surface processing to crank pin end pore inner peripheral surface,
Laser moves up after processing, and the computer processor controls the laser mobile platform and moves up edge after certain distance
Y direction translation, laser overturn 180 ° and are moved still further below to the progress splitter processing of the crank pin end pore inner peripheral surface other side, added
After work, laser is moved up and is resetted.
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| CN108422283B (en) * | 2018-02-07 | 2023-12-05 | 上海爱仕达机器人有限公司 | Deburring machine for aluminum pot |
| CN109269445A (en) * | 2018-09-27 | 2019-01-25 | 广东工业大学 | A kind of vision inspection apparatus and method of the connecting rod processing clamp of automatically calibrating |
| CN110487185A (en) * | 2019-07-26 | 2019-11-22 | 广东工业大学 | Based on machine vision connecting rod auxiliary positioning and splitter size detecting device and detection method |
| CN113579854B (en) * | 2021-07-21 | 2022-07-29 | 安庆中船动力配套有限公司 | Automatic correction system based on diesel engine connecting rod machining machine tool |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1559744A (en) * | 2004-03-09 | 2005-01-05 | 吉林大学 | Laser processing method for connecting rod splitting groove and its equipment |
| CN1569373A (en) * | 2004-04-26 | 2005-01-26 | 吉林大学 | Processing apparatus for initial cracking tank for engine connecting rod |
| EP1528270A1 (en) * | 2003-10-29 | 2005-05-04 | Lasag Ag | Method for forming a cracking site for the fracture separation of a component, in particular a connecting rod for internal combustion engines and laser device for such method |
| CN101850473A (en) * | 2010-05-06 | 2010-10-06 | 长春吉扬华欣科技有限责任公司 | Laser processing equipment of connecting rod initial cracking groove of engine |
| CN102967265A (en) * | 2012-12-15 | 2013-03-13 | 吉林大学 | Method for detecting fracture splitting notch of connecting rod of automobile based on machine vision |
| CN203992828U (en) * | 2014-06-03 | 2014-12-10 | 深圳市大族激光科技股份有限公司 | A kind of connection rod of automobile engine splitter laser cutting machine |
| CN104669064A (en) * | 2015-01-21 | 2015-06-03 | 苏州市国之福自动化设备有限公司 | CNC vision aided machining system and method |
| CN106271092A (en) * | 2016-09-20 | 2017-01-04 | 广东工业大学 | A kind of unidirectional vertical type laser cuts the device and method of automobile connecting bar splitter |
| CN106695139A (en) * | 2017-01-23 | 2017-05-24 | 广东工业大学 | Automatic overturn fixture device for connecting rod cracking groove laser machining |
| CN106735935A (en) * | 2017-01-09 | 2017-05-31 | 广东工业大学 | A kind of con-rod fracture splitting groove processing laser cutting head device and processing method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008254035A (en) * | 2007-04-05 | 2008-10-23 | Disco Abrasive Syst Ltd | Laser beam machining apparatus |
-
2017
- 2017-07-25 CN CN201710611487.0A patent/CN107414314B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1528270A1 (en) * | 2003-10-29 | 2005-05-04 | Lasag Ag | Method for forming a cracking site for the fracture separation of a component, in particular a connecting rod for internal combustion engines and laser device for such method |
| CN1559744A (en) * | 2004-03-09 | 2005-01-05 | 吉林大学 | Laser processing method for connecting rod splitting groove and its equipment |
| CN1569373A (en) * | 2004-04-26 | 2005-01-26 | 吉林大学 | Processing apparatus for initial cracking tank for engine connecting rod |
| CN101850473A (en) * | 2010-05-06 | 2010-10-06 | 长春吉扬华欣科技有限责任公司 | Laser processing equipment of connecting rod initial cracking groove of engine |
| CN102967265A (en) * | 2012-12-15 | 2013-03-13 | 吉林大学 | Method for detecting fracture splitting notch of connecting rod of automobile based on machine vision |
| CN203992828U (en) * | 2014-06-03 | 2014-12-10 | 深圳市大族激光科技股份有限公司 | A kind of connection rod of automobile engine splitter laser cutting machine |
| CN104669064A (en) * | 2015-01-21 | 2015-06-03 | 苏州市国之福自动化设备有限公司 | CNC vision aided machining system and method |
| CN106271092A (en) * | 2016-09-20 | 2017-01-04 | 广东工业大学 | A kind of unidirectional vertical type laser cuts the device and method of automobile connecting bar splitter |
| CN106735935A (en) * | 2017-01-09 | 2017-05-31 | 广东工业大学 | A kind of con-rod fracture splitting groove processing laser cutting head device and processing method |
| CN106695139A (en) * | 2017-01-23 | 2017-05-24 | 广东工业大学 | Automatic overturn fixture device for connecting rod cracking groove laser machining |
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