CN100467188C - Laser machining apparatus for main-bearing cracker of engine cylinder - Google Patents
Laser machining apparatus for main-bearing cracker of engine cylinder Download PDFInfo
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- CN100467188C CN100467188C CN 200710055511 CN200710055511A CN100467188C CN 100467188 C CN100467188 C CN 100467188C CN 200710055511 CN200710055511 CN 200710055511 CN 200710055511 A CN200710055511 A CN 200710055511A CN 100467188 C CN100467188 C CN 100467188C
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Abstract
A laser machining apparatus for machining the splitting slot on master bearing seat for the cylinder body of engine is composed of a mechanical system and a YAG solid laser cutting system. Said mechanical system consists of cylinder body and its machine frame, and bench and its machine frame. Said bench comprises a numerally controlled X-Y bench, an X-axis bench and a Y-axis bench with a laser cutting head driven by a rotary cylinder to rotate by 180 deg.
Description
Technical field
The present invention relates to main-bearing cracker of engine cylinder Laser Processing special equipment.
Background technology
Engine cylinder-body main bearing seat traditional diamond-making technique is split processing, i.e. bearing cap and bearing block (bearing block and cylinder body are a single-casting) cast form is respectively carried out Milling Process respectively, also will be distinguished the processing bolt hole its faying face then.Traditional handicraft production efficiency is low, the manufacturing cost height, and assembly precision is relatively poor.
Engine cylinder-body main bearing seat cracking process technology is at first in the monoblock cast shaping and through both sides, center, semi-finished cylinder body many main bearing seats 1 hole processing initial cracking groove A, B, on the cracking special equipment, bearing saddle bore is put on the direct stress of splitter A, B then, realize that bearing cap separates with the cracking of bearing base.Again bearing cap and bearing base are accurately resetted and penetrate bolt at last and tighten, to carry out the subsequent fine processing of bearing saddle bore, it is few that the cracking New Machining Technology has manufacturing procedure, production efficiency height, the advantage that production cost is low, assembly precision is good.
The patent that openly relates to the processing of engine cylinder-body bearing block splitter early stage has Deutsche Bundespatent DE19547388, DE19978063, U.S. Pat 2004011842.In the above-mentioned patented technology, DE19547388 is the splitter tool-broaching mechanism, needs an independent procedure to finish the broaching of splitter.DE19978063, US2004011842 install broaching tool at cracking mandrel front end, in penetrating many inner hole of bearing seat processes, process splitter, by the push rod horizontal movement in the hydraulic cylinder promotion mandrel, make the upper and lower motion of semi-circular interplanting reach bearing block fracture subdivision purpose then.Adopt broaching tool broaching splitter tool wear more serious, tool wear will influence the splitter machining accuracy, and after the broaching tool wedge angle rust, strengthen cracking strength, influence the cracking crudy.
Summary of the invention
The objective of the invention is to propose a kind of new laser machining apparatus for main-bearing cracker of engine cylinder in order to overcome the shortcoming that splitter broaching processing method exists.
Above-mentioned purpose of the present invention is achieved through the following technical solutions, and is as follows below in conjunction with description of drawings:
Laser machining apparatus for main-bearing cracker of engine cylinder is made up of mechanical system and YAG Solid State Laser diced system, said mechanical system comprises cylinder frame 3 and worktable frame 4, cylinder body 14 is positioned on the cylinder frame 3 by the clamping detent mechanism, worktable frame 4 is provided with can be along the two-axis numerical control workbench of X, Y-axis translation: X-axis workbench 6 and Y-axis workbench 8, laser cutting head 2 is housed on the Y-axis workbench 8, and laser cutting head 2 is driven by angling cylinder 9 can do 180 ° of revolutions.
Said clamping detent mechanism is made up of 2 alignment pins 12 and 2 positional cylinders 13, and 2 alignment pins 12 are driven in the piston hole that inserts cylinder bodies 1 by separately positional cylinder 13 respectively and position.
Said Y-axis workbench 8 places on the X-axis workbench 6, and X-axis workbench 6, Y-axis workbench 8 are driven by ball-screw by servomotor I5 and servomotor II7 respectively.
Said laser cutting head 2 is contained on the Y-axis workbench 8 by stop sleeve 11 and angling cylinder 9, and optical fiber light-guiding cable 10 is contained in the stop sleeve 11 and with laser head 2 and links to each other.
Technical scheme of the present invention has following characteristics:
1, splitter laser process equipment of the present invention is a sequentially-operating.The numerical control table, NC table that laser cutting head is installed can be done the horizontal movement of X, Y direction.Numerical control table, NC table is installed on the worktable frame.
2, the laser cutting head angling cylinder is installed on the Y-axis workbench, and laser cutting head links to each other with angling cylinder by stop sleeve.
3, cylinder body is positioned on the cylinder frame, is entered in the piston hole by two positional cylinders driving alignment pins and accurately locatees.
4, behind the cylinder body location, the Y-axis workbench that laser cutting head is installed is under driven by servomotor, moving linearly forward, laser cutting head order earlier carries out laser cutting to a side of each bearing saddle bore center of cylinder body, the Y-axis workbench retreats to initial position then, angling cylinder is with 180 ° of laser head swings, the X-axis workbench makes laser cutting head reach the precalculated position of cutting axis bearing hole opposite side splitter under driven by servomotor, last laser cutting head again order machining bearing seat opposite side splitter and be back to the initial manufacture position.
5, in the laser cutting process, laser shutdown will be coordinated mutually with the movement position of Y-axis, the start-stop position when guaranteeing each bearing block splitter cutting.
6, bearing block splitter completion of processing, positional cylinder is return alignment pin, removes cylinder body.
7, can work out corresponding numerical control program for the processing of the cylinder body main bearing seat both sides splitter of different size model.
Present device has following advantage and effect than existing splitter broaching method and device:
1, present device adopts the diced system of being made up of high-power (pulse power 3.2KW) YAG solid state laser, optical fiber light-guiding, laser cutting head to process splitter to have that joint-cutting is narrow, both sides groove depth tolerance is little, the measured advantage of groove face matter.
2, adopt YAG Solid State Laser diced system processing splitter not have tool wear, not only improve machining accuracy but also lowered production cost.
3, adopt X, Y-axis numerical control table, NC table further to improve the machining accuracy of cylinder body main-bearing cracker, can obviously improve follow-up cracking product processed quality, make the distortion of cracking strength and big end hole littler, fall the slag phenomenon and significantly reduce.
4, the angling cylinder that is installed on the Y-axis numerical control table, NC table can make laser cutting head do the 180O rotation, thereby finishes the processing of Boring mill bearing both sides splitter easily and reliably.
Adopt hydraulic cylinder and coupled alignment pin to insert the cylinder piston hole and accurately locate, further guaranteed the processing dimension and the tolerance of splitter.
Description of drawings:
Fig. 1 a is an engine cylinder-body main bearing seat schematic diagram;
Fig. 1 b is the splitter schematic diagram of both sides, center, main bearing seat hole;
Fig. 2 is the schematic diagram of laser cutting head machining bearing seat one side splitter;
Fig. 3 is 180 ° of processing of revolution A side schematic diagram behind the laser cutting head machining bearing seat B side splitter;
Fig. 4 is a splitter laser process equipment structural representation of the present invention.
Among the figure: 1. main bearing seat 2. laser cutting heads 3. cylinder frame 4. worktable frames 5. servomotor I 6.X axle workbench 7. servomotor II 8.Y axle workbench 9. angling cylinders 10. optical fiber light-guiding cables 11. stop sleevees 12. alignment pins 13. positional cylinders 14. cylinder bodies
The specific embodiment:
The embodiment that provides below in conjunction with accompanying drawing is described in further detail present device.
With reference to Fig. 4, a kind of engine cylinder-body base bearing splitter laser process equipment that is used for comprises mechanical system and YAG Solid State Laser diced system.It is characterized in that described mechanical system forms as follows:
Above worktable frame 4, be provided with and be installed with laser cutting head angling cylinder 9 on the Y-axis workbench 8 along the two-axis numerical control workbench of X, Y-axis (X-axis is and the drawing vertical direction that Y-axis is the horizontal direction of drawing) translation.Laser cutting head 2 links to each other with angling cylinder 9 by stop sleeve 11.
Engine cylinder-body 14 accurately is positioned cylinder frame 3 tops by alignment pin 12, positional cylinder 13.
Described two-axis numerical control workbench is made up of the X-axis workbench 6 of servomotor I5 driving and the Y-axis workbench 8 of servomotor II7 driving.
Adopting this laser process equipment cutting axis bearing splitter is that cylinder body 14 to be processed is positioned on the cylinder frame 3, and is driven to insert in the cylinder piston hole and accurately located by positional cylinder 13, alignment pin 12.Two positional cylinders 13 can be adjusted different centre-to-centre spacing on the Y direction, alignment pin 12 can be processed different diameter dimensions and tolerance, to adapt to the cylinder body of different specifications and models.
Adjust the Working position of laser cutting head 2 by X-axis workbench 6 at directions X.Realize the cutting processing of Y direction by Y-axis workbench 8.Realize 180 ° of revolutions of laser cutting head 2 by angling cylinder 9.
1, with reference to Fig. 2, Fig. 3, Fig. 4 adopts laser process equipment cutting axis bearing splitter of the present invention to carry out according to the following steps:
2, laser cutting head 2 is positioned at the precut position of Boring mill bearing 1 big end hole center one side.
3, under 7 effects of Y-axis servomotor, laser cutting head 2 is penetrated in the cylinder body main bearing seat hole by precut position, finishes the splitter processing of each bearing saddle bore one side on the cylinder body one by one.
4, process a side splitter after, laser cutting head 2 returns with Y-axis workbench 8, Rotate 180 ° under angling cylinder 9 effect, and under X-axis workbench servomotor 5 drives, laser cutting head 2 is delivered to the precut position of opposite side.
5, under 7 effects of Y-axis servomotor, laser cutting head 2 is penetrated in the cylinder body main bearing seat hole once more by precut position, finishes the processing of the splitter of each bearing saddle bore opposite side on the cylinder body one by one.
6, process the opposite side splitter after, laser cutting head 2 returns initial position with the Y-axis workbench, angling cylinder is once more with laser cutting head 2 Rotate 180s °, X-axis servomotor 5 drives X-axis workbench 6 makes laser cutting head return the initial position of directions X.Thereby finish a working cycles.
Claims (4)
1, a kind of laser machining apparatus for main-bearing cracker of engine cylinder, form by mechanical system and YAG Solid State Laser diced system, it is characterized in that said mechanical system comprises cylinder frame (3) and worktable frame (4), cylinder body (14) is positioned on the cylinder frame (3) by the clamping detent mechanism, worktable frame (4) is provided with can be along X, the two-axis numerical control workbench of Y-axis translation: X-axis workbench (6) and Y-axis workbench (8), laser cutting head (2) is housed on the Y-axis workbench (8), and laser cutting head (2) is driven by angling cylinder (9) can do 180 ° of revolutions.
2, laser machining apparatus for main-bearing cracker of engine cylinder according to claim 1, it is characterized in that said clamping detent mechanism is made up of 2 alignment pins (12) and 2 positional cylinders (13), 2 alignment pins (12) are driven in the piston hole that inserts cylinder body (1) by separately positional cylinder (13) respectively and position.
3, laser machining apparatus for main-bearing cracker of engine cylinder according to claim 1, it is characterized in that said Y-axis workbench (8) places on the X-axis workbench (6), X-axis workbench (6), Y-axis workbench (8) are driven by ball-screw by servomotor I (5) and servomotor II (7) respectively.
4, laser machining apparatus for main-bearing cracker of engine cylinder according to claim 1, it is characterized in that said laser cutting head (2) is contained on the Y-axis workbench (8) by stop sleeve (11) and angling cylinder (9), optical fiber light-guiding cable (10) is contained in the stop sleeve (11) and with laser cutting head (2) and links to each other.
Priority Applications (1)
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CN 200710055511 CN100467188C (en) | 2007-04-12 | 2007-04-12 | Laser machining apparatus for main-bearing cracker of engine cylinder |
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CN 200710055511 CN100467188C (en) | 2007-04-12 | 2007-04-12 | Laser machining apparatus for main-bearing cracker of engine cylinder |
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CN101028672A CN101028672A (en) | 2007-09-05 |
CN100467188C true CN100467188C (en) | 2009-03-11 |
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CN 200710055511 Expired - Fee Related CN100467188C (en) | 2007-04-12 | 2007-04-12 | Laser machining apparatus for main-bearing cracker of engine cylinder |
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Families Citing this family (7)
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CN106271664B (en) * | 2016-10-17 | 2018-07-31 | 吉林大学 | Medium and heavy car owner's reducer shell bearing block cracking process equipment and processing method |
CN108000122B (en) * | 2017-12-08 | 2019-03-22 | 吉林大学 | Crankcase bearing block cracks processing unit (plant) |
CN108058003B (en) * | 2017-12-13 | 2019-06-25 | 吉林大学 | A kind of swollen disconnected equipment of reducer shell bearing block and its swollen disconnected method |
CN110253138A (en) * | 2019-06-24 | 2019-09-20 | 广州东振激光科技有限公司 | A kind of engine link slot process equipment and processing method |
CN114310200B (en) * | 2022-02-15 | 2022-10-18 | 苏州市华盛源机电有限公司 | Production method of servo motor shell |
CN114571251B (en) * | 2022-03-29 | 2022-12-13 | 安庆职业技术学院 | Full-automatic connecting rod high-quality cracking equipment and cracking method |
CN117961005B (en) * | 2024-03-28 | 2024-07-12 | 吉林大学 | Machining method of cracking groove for expanding and breaking of bearing seat of speed reducer shell |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4684267A (en) * | 1984-07-02 | 1987-08-04 | General Motors Corporation | Split bearing assemblies |
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2007
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4684267A (en) * | 1984-07-02 | 1987-08-04 | General Motors Corporation | Split bearing assemblies |
Non-Patent Citations (2)
Title |
---|
ALFING激光裂解设备的应用. 刘文忠.汽车工艺与材料,第2005年第11期. 2005 |
ALFING激光裂解设备的应用. 刘文忠.汽车工艺与材料,第2005年第11期. 2005 * |
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