CN206898453U - Connecting rod oilhole aperture curved surface chamfer machining equipment - Google Patents
Connecting rod oilhole aperture curved surface chamfer machining equipment Download PDFInfo
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- CN206898453U CN206898453U CN201720798734.8U CN201720798734U CN206898453U CN 206898453 U CN206898453 U CN 206898453U CN 201720798734 U CN201720798734 U CN 201720798734U CN 206898453 U CN206898453 U CN 206898453U
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- curved surface
- principal axis
- milling cutter
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Abstract
The utility model discloses a kind of connecting rod oilhole aperture curved surface chamfer machining equipment, it is related to engine link processing technique field.The utility model includes horizontal three coordinates drive mechanism, servo principal axis drive mechanism and index table, the servo principal axis drive mechanism is arranged in horizontal three coordinates drive mechanism, horizontal three coordinates drive mechanism drives the motion of servo principal axis drive mechanism, the servo principal axis drive mechanism end is fixed with milling cutter shank, and milling cutter is fixed with the milling cutter shank.Curved surface chamfer machining device and method in connecting rod oilhole aperture of the present utility model, not only chamfering efficiency and processing curve profile tolerance precision improve, chamfering uniformity and surface roughness are also improved.
Description
Technical field
Engine link processing technique field is the utility model is related to, more specifically to a kind of diesel engine connecting bar oilhole
Aperture curved surface chamfer machining equipment.
Background technology
Hole, axle processing necessarily with spindle nose, the chamfering process in aperture, particularly orifice chamfer, by its rise function with
Effect is different and has different technical requirements.Orifice chamfer process is often thought of as aided process and by technological design personnel
Ignored, cause the research to chamfering process to be in halted state for a long time.Even repaiied in many machining producers with pincers worker
Just substituting due chamfering process.Cause processing efficiency decline occur or be difficult in default of the attention to cutter and process
Complete the phenomenon of whole process processing content.
Diesel engine connecting bar oilhole diameter ￠ 6.4, aperture curved surface chamfering junction, radius are not less than 2.25, are not allow for convex
Rise and burr, it is desirable to smoothly transit；Oilhole axial line and crank pin end pore joining are starting point, and axially into hole, distance is 5
Distance, it is not allow for chatter mark；The axial line line angle of oilhole axial line and the big aperture of connecting rod is 7.5 °.
Prior art using pneumatic chamfering unit head adduction gold chamfer drill process, it is impossible to ensure curved surface contour accuracy and
Roughness, processing efficiency is low, is not easy the requirement for reaching connecting rod.Entirely mutually passed through with connecting rod macropore mutually to pass through face due to oilhole
Face is skew surface, and most simple effective method is to use five axes interpolation chamfering in theory, but the program can cause processing to set
Standby complex designing, cost is high, and risk is big.
Utility model content
In order to overcome defect present in above-mentioned prior art and deficiency, the utility model provides a kind of connecting rod oilhole hole
Mouth curved surface chamfer machining equipment, purpose of utility model of the present utility model are intended to solve process equipment in the prior art and are related to again
It is miscellaneous, cost is high, risk is big, processing efficiency is low, is not easy the problems such as requirement for reaching connecting rod, connecting rod oilhole of the present utility model
Aperture curved surface chamfer machining device and method, not only chamfering efficiency and processing curve profile tolerance precision improve, chamfering uniformity
Also it is improved with surface roughness.
In order to solve above-mentioned problems of the prior art, the utility model is achieved through the following technical solutions：
Connecting rod oilhole aperture curved surface chamfer machining equipment, it is characterised in that：Including horizontal three coordinates drive mechanism, servo master
Axle drive mechanism and index table, the servo principal axis drive mechanism are arranged in horizontal three coordinates drive mechanism, and horizontal three
Coordinate drive mechanism drives the motion of servo principal axis drive mechanism, and the servo principal axis drive mechanism end is fixed with milling cutter shank, institute
To state and milling cutter is fixed with milling cutter shank, hydraulically operated fixture is installed on the index table, the hydraulically operated fixture is used to fix connecting rod,
The index table is located at servo principal axis drive mechanism front end.
The milling cutter shank is thermal expansion handle of a knife.
The handle of a knife interface of the milling cutter shank is BT50.
The milling cutter is whole hard alloy ball knife.
Four stations are provided with the index table, connecting rod hydraulically operated fixture, four stations are provided with each station
Cycle alternation.
A kind of connecting rod oilhole aperture curved surface suitable for the utility model connecting rod oilhole aperture curved surface chamfer machining equipment falls
Angle processing method, it is characterised in that：Comprise the following steps：
A. according to the positioning hole coordinate of oilhole, processing hole coordinate and processing hole size data founding mathematical models, will establish
Mathematical modeling by software carry out analogue simulation, it is determined that whether the mathematical modeling established meets technological requirement；
B. to meeting that the mathematical modeling of technological requirement is analyzed, and the mathematical modeling of foundation is converted into procedure,
The procedure of conversion is input in horizontal three coordinates drive mechanism system, is converted into executable program, configuration processor so that
Horizontal three coordinates drive mechanism is moved according to the mathematical modeling for meeting technological requirement, and drives servo principal axis mechanism kinematic；
C. roughing process, coordinate points are chosen according to the mathematical modeling for meeting technological requirement, control servo principal axis mechanism
Rotating speed, using 4000 revs/min of rotating speed, feed 700mm/min；
D. finishing step, coordinate points are chosen according to the mathematical modeling for meeting technological requirement, control servo principal axis mechanism
Rotating speed, using 4500 revs/min of rotating speed, feed 50mm/min；
E. configuration processor terminates, and completes processing.
The described pair of mathematical modeling for meeting technological requirement is analyzed, and the mathematical modeling of foundation is converted into procedure
Specifically refer to：The mathematical modeling of foundation is inputted into UG softwares, analyzed, and export basic NC procedures.
By the mathematical modeling of foundation by software carry out analogue simulation, in particular to：From UG design softwares, according to foundation
Mathematical modeling and UG design softwares background processing module, export basic NC procedures, the rotating speed of servo principal axis mechanism
Fixed tentatively with feeding according to lower standard, the basic NC procedures of output are inputted into software and carry out analogue simulation.
The coordinate points chosen in the roughing process are 5000；The coordinate points chosen in the finishing step are
12000.
The processing speed of the processing method is 120s/ parts, and cutter changing frequency is 200/.
Aperture curved surface roughness after the processing method machines is Ra1.6-Ra2.0.
Compared with prior art, technique effect beneficial caused by the utility model is shown：
1st, processed using curved surface chamfer machining technology in connecting rod oilhole aperture of the present utility model, not only chamfering efficiency and processing
Curved surface profile degree precision improves, and chamfering uniformity and surface roughness are also improved.The utility model connecting rod oilhole hole
The process equipment of mouth curved surface chamfering technology, using horizontal three coordinate（X/Y/Z）Three axles are linked, and are equipped with servo principal axis and thermal expansion
Handle of a knife, hard alloy bulb milling cutter；Using four station numerical control scale-division workbench, four sets of hydraulically operated fixtures are equipped with, realize processing and dress
Time coincidence is unloaded, improves efficiency.
2nd, connecting rod oilhole aperture curved surface chamfer processing method of the present utility model, can be according to the processing drawing creation NC of input
Program, efficiency is improved, reduce labor intensity；NC programs can be simulated, emulated with software, check whether program is correct, shape
Into closed loop；And processing method of the present utility model is changed relatively simple after there is mistake, optimization is more convenient.
3rd, processing method of the present utility model is processed using coarse-fine separate type, coarse-fine separation, and roughing predominantly removes big
Part allowance, finishing predominantly ensure size and surface accuracy.The roughing amount of feeding is big, to reduce vibration, improves knife
Have the life-span, reduce cutting heat, therefore rotating speed is low；Finishing feed amount is small, and allowance is small, improves rotating speed and predominantly improves
Cutting quality.
Brief description of the drawings
Fig. 1 is the utility model device structural representation；
Fig. 2 is the utility model device side structure schematic view；
Fig. 3 is the method process chart suitable for the utility model connecting rod oilhole aperture curved surface chamfer machining equipment；
Reference：1st, horizontal three coordinates drive mechanism, 2, servo principal axis drive mechanism, 3, index table, 4, milling cutter
Handle, 5, hydraulically operated fixture.
Embodiment
Embodiment 1
As the preferred embodiment of the utility model one, with reference to Figure of description 1 and 2, present embodiment discloses：
Connecting rod oilhole aperture curved surface chamfer machining equipment, including horizontal three coordinates drive mechanism 1, servo principal axis drive mechanism
2 and index table 3, the servo principal axis drive mechanism 2 be arranged in horizontal three coordinates drive mechanism 1, horizontal three coordinate drives
Motivation structure 1 drives servo principal axis drive mechanism 2 to move, and the end of servo principal axis drive mechanism 2 is fixed with milling cutter shank 4, described
Milling cutter is fixed with milling cutter shank 4, hydraulically operated fixture 5 is installed on the index table 3, the hydraulically operated fixture 5 is used for fixed connect
Bar, the index table 3 are located at the front end of servo principal axis drive mechanism 2.Using connecting rod oilhole aperture curved surface of the present utility model
Chamfer machining technology, not only chamfering efficiency and processing processing curve profile tolerance precision improve, chamfering uniformity and rough surface
Degree is also improved.The process equipment of the utility model connecting rod oilhole aperture curved surface chamfering technology, using horizontal three coordinate（X/
Y/Z）Three axles are linked, and are equipped with servo principal axis and thermal expansion handle of a knife, hard alloy bulb milling cutter；Using four station numerical control scale-division works
Make platform 3, be equipped with four sets of hydraulically operated fixtures 5, realize that processing overlaps with the lay day, improve efficiency.
Embodiment 2
As the utility model another embodiment, with reference to Figure of description 1 and 2, present embodiment discloses：
Connecting rod oilhole aperture curved surface chamfer machining equipment, including horizontal three coordinates drive mechanism 1, servo principal axis drive mechanism
2 and index table 3, the servo principal axis drive mechanism 2 be arranged in horizontal three coordinates drive mechanism 1, horizontal three coordinate drives
Motivation structure 1 drives servo principal axis drive mechanism 2 to move, and the end of servo principal axis drive mechanism 2 is fixed with milling cutter shank 4, described
Milling cutter is fixed with milling cutter shank 4, hydraulically operated fixture 5 is installed on the index table 3, the hydraulically operated fixture 5 is used for fixed connect
Bar, the index table 3 are located at the front end of servo principal axis drive mechanism 2.The milling cutter shank 4 is thermal expansion handle of a knife；The milling cutter shank 4
Handle of a knife interface be BT50；The milling cutter is whole hard alloy ball knife；Four stations are provided with the index table 3,
Connecting rod hydraulically operated fixture 5, four station cycle alternatings are provided with each station.
Embodiment 3
As the utility model another embodiment, with reference to Figure of description 3, present embodiment discloses one kind to be applied to
The connecting rod oilhole aperture curved surface chamfer processing method of the utility model connecting rod oilhole aperture curved surface chamfer machining equipment, including it is following
Step：
A. according to the positioning hole coordinate of oilhole, processing hole coordinate and processing hole size data founding mathematical models, will establish
Mathematical modeling by software carry out analogue simulation, it is determined that whether the mathematical modeling established meets technological requirement；
B. to meeting that the mathematical modeling of technological requirement is analyzed, and the mathematical modeling of foundation is converted into procedure,
The procedure of conversion is input in the horizontal system of three coordinates drive mechanism 1, executable program is converted into, configuration processor, makes
Obtain horizontal three coordinates drive mechanism 1 to be moved according to the mathematical modeling for meeting technological requirement, and drive servo principal axis mechanism to transport
It is dynamic；
C. roughing process, coordinate points are chosen according to the mathematical modeling for meeting technological requirement, control servo principal axis mechanism
Rotating speed, using 4000 revs/min of rotating speed, feed 700mm/min；
D. finishing step, coordinate points are chosen according to the mathematical modeling for meeting technological requirement, control servo principal axis mechanism
Rotating speed, using 4500 revs/min of rotating speed, feed 50mm/min；
E. configuration processor terminates, and completes processing.
Embodiment 4
As the utility model another embodiment, with reference to Figure of description 3, present embodiment discloses one kind to be applied to
The connecting rod oilhole aperture curved surface chamfer processing method of the utility model connecting rod oilhole aperture curved surface chamfer machining equipment, including it is following
Step：
A. according to the positioning hole coordinate of oilhole, processing hole coordinate and processing hole size data founding mathematical models, from UG
Design software, according to the mathematical modeling of foundation and the background processing module of UG design softwares, basic NC procedures are exported, are watched
The rotating speed and feeding for taking mainshaft mechanism are fixed tentatively according to lower standard, and the basic NC procedures of output are inputted into software and carried out
Analogue simulation, it is determined that whether the mathematical modeling established meets technological requirement；
B. to meeting that the mathematical modeling of technological requirement is analyzed, and the mathematical modeling of foundation is converted into procedure,
The mathematical modeling input UG softwares that will be established, are analyzed, and export basic NC procedures；By the procedure of conversion
It is input in the horizontal system of three coordinates drive mechanism 1, is converted into executable program, configuration processor so that horizontal three coordinates driving
Mechanism 1 is moved according to the mathematical modeling for meeting technological requirement, and drives servo principal axis mechanism kinematic；
C. roughing process, coordinate points are chosen according to the mathematical modeling for meeting technological requirement, control servo principal axis mechanism
Rotating speed, using 4000 revs/min of rotating speed, feed 700mm/min；
D. finishing step, coordinate points are chosen according to the mathematical modeling for meeting technological requirement, control servo principal axis mechanism
Rotating speed, using 4500 revs/min of rotating speed, feed 50mm/min；
E. configuration processor terminates, and completes processing.
Embodiment 5
As the utility model another embodiment, with reference to Figure of description 3, present embodiment discloses one kind to be applied to
The connecting rod oilhole aperture curved surface chamfer processing method of the utility model connecting rod oilhole aperture curved surface chamfer machining equipment, including it is following
Step：
A. according to the positioning hole coordinate of oilhole, processing hole coordinate and processing hole size data founding mathematical models, from UG
Design software, according to the mathematical modeling of foundation and the background processing module of UG design softwares, basic NC procedures are exported, are watched
The rotating speed and feeding for taking mainshaft mechanism are fixed tentatively according to lower standard, and the basic NC procedures of output are inputted into software and carried out
Analogue simulation, it is determined that whether the mathematical modeling established meets technological requirement；
B. to meeting that the mathematical modeling of technological requirement is analyzed, and the mathematical modeling of foundation is converted into procedure,
The mathematical modeling input UG softwares that will be established, are analyzed, and export basic NC procedures；By the procedure of conversion
It is input in the horizontal system of three coordinates drive mechanism 1, is converted into executable program, configuration processor so that horizontal three coordinates driving
Mechanism 1 is moved according to the mathematical modeling for meeting technological requirement, and drives servo principal axis mechanism kinematic；
C. roughing process, coordinate points are chosen according to the mathematical modeling for meeting technological requirement, control servo principal axis mechanism
Rotating speed, using 4000 revs/min of rotating speed, feed 700mm/min；
D. finishing step, coordinate points are chosen according to the mathematical modeling for meeting technological requirement, control servo principal axis mechanism
Rotating speed, using 4500 revs/min of rotating speed, feed 50mm/min；
E. configuration processor terminates, and completes processing.The coordinate points chosen in the roughing process are 5000；The finishing
The coordinate points chosen in work process are 12000；The processing speed of the processing method is 120s/ parts, and cutter changing frequency is
200/；Aperture curved surface roughness after the processing method machines is Ra1.6-Ra2.0.
Foundation and analog simulation by digital-to-analogue, it is determined that theoretical correctness, then analyzed from processing technology angle；
Analyzed by the refinement to model, it is found that the formation of whole curved surface is actually the path locus of processing, and track is by very
Multiple spot forms to concatenate, essence be exactly different spaces coordinate points motion, therefore, completely can using three coordinate linkages processing come
Realize, as long as ensureing that tool sharpening is not interfered.
Due to being that the space of point is moved, cutting tool can only use rose cutter, pass through curved surface trajectory analysis, rose cutter
Diameter has to small, can not just produce and cut when interpolation is processed.Eventually through field adjustable, a diameter of ￠ 5, effect is most
It is good.
Claims (5)
1. connecting rod oilhole aperture curved surface chamfer machining equipment, it is characterised in that：Including horizontal three coordinates drive mechanism (1), servo
Spindle drive (2) and index table (3), the servo principal axis drive mechanism (2) are arranged on horizontal three coordinates driving machine
On structure (1), horizontal three coordinates drive mechanism (1) drives servo principal axis drive mechanism (2) motion, the servo principal axis drive mechanism
(2) end is fixed with milling cutter shank (4), and milling cutter is fixed with the milling cutter shank (4), liquid is provided with the index table (3)
Fixture (5) is pressed, the hydraulically operated fixture (5) is used to fix connecting rod, and the index table (3) is located at servo principal axis drive mechanism
(2) front end.
2. curved surface chamfer machining equipment in connecting rod oilhole aperture as claimed in claim 1, it is characterised in that：The milling cutter shank (4)
For thermal expansion handle of a knife.
3. curved surface chamfer machining equipment in connecting rod oilhole aperture as claimed in claim 1 or 2, it is characterised in that：The milling cutter shank
(4) handle of a knife interface is BT50.
4. curved surface chamfer machining equipment in connecting rod oilhole aperture as claimed in claim 1 or 2, it is characterised in that：The milling cutter is
Whole hard alloy ball knife.
5. curved surface chamfer machining equipment in connecting rod oilhole aperture as claimed in claim 1, it is characterised in that：The index table
(3) four stations are provided with, connecting rod hydraulically operated fixture (5), four station cycle alternatings are provided with each station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720798734.8U CN206898453U (en) | 2017-07-04 | 2017-07-04 | Connecting rod oilhole aperture curved surface chamfer machining equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720798734.8U CN206898453U (en) | 2017-07-04 | 2017-07-04 | Connecting rod oilhole aperture curved surface chamfer machining equipment |
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| Publication Number | Publication Date |
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| CN206898453U true CN206898453U (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720798734.8U Active CN206898453U (en) | 2017-07-04 | 2017-07-04 | Connecting rod oilhole aperture curved surface chamfer machining equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127381A (en) * | 2017-07-04 | 2017-09-05 | 四川普什宁江机床有限公司 | Connecting rod oilhole aperture curved surface chamfer machining device and method |
| CN114131723A (en) * | 2021-12-31 | 2022-03-04 | 广西鸿森家具制造有限公司 | Wooden round table processing device |
-
2017
- 2017-07-04 CN CN201720798734.8U patent/CN206898453U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127381A (en) * | 2017-07-04 | 2017-09-05 | 四川普什宁江机床有限公司 | Connecting rod oilhole aperture curved surface chamfer machining device and method |
| CN114131723A (en) * | 2021-12-31 | 2022-03-04 | 广西鸿森家具制造有限公司 | Wooden round table processing device |
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