CN100581696C - Winding pipe boring and milling head main driving mechanism - Google Patents
Winding pipe boring and milling head main driving mechanism Download PDFInfo
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- CN100581696C CN100581696C CN200810038195A CN200810038195A CN100581696C CN 100581696 C CN100581696 C CN 100581696C CN 200810038195 A CN200810038195 A CN 200810038195A CN 200810038195 A CN200810038195 A CN 200810038195A CN 100581696 C CN100581696 C CN 100581696C
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- boring
- supporting seat
- lead screws
- bar supporting
- connecting rod
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Abstract
A bent tube boring and milling head main drive device pertains to the field of mechanical engineering technology. Output ends of three servo motors of the invention are respectively connected with three speed reducers, the output ends of the three speed reducers are respectively connected with three transmission screw rods by three couplings, the three transmission screw rods are respectively supported on a base by three groups of rolling bearings, the three transmission screw rods are respectively connected with three travelling nuts, three guide tracks respectively parallel to the three transmission screw rods to be arranged on the base, three travelling sliding tables are respectively arranged on the upper surfaces of the three guide tracks, the three travelling sliding tablets are respectively fixedly connected with the three travelling nuts, one ends of three connecting rods are respectively connected on the three travelling sliding tablets by planar hinges, other ends are respectively connected with a boring rod supporting base by the planar hinges, and a boring and milling cutter is connected with the boring rod supporting base by a revolute pair. The bent tube boring and milling head main drive device can solve the processing problems of the boring and milling of a bent tube, which is further characterized by great rigidness, flexible motion, simple structure, high mechanical gain, stable transmission, easy manufacture, easy control and modular design.
Description
Technical field
The present invention relates to the drive unit in the machine tool technology field in a kind of mechanical engineering, specifically is a kind of winding pipe boring and milling head main driving mechanism, is used for the boring-mill work of bend pipe.
Background technology
Have many large-scale curved pipelines in industries such as nuclear power, chemical industry, service life is all more than 60 years.Traditional boring and milling head outer can only be processed straight tube, for the processing of curved pipeline, can only lean on hard curved mode to carry out.In order to guarantee the crudy of bend pipe, improve the serviceability of bend pipe, need carry out boring-mill work to bend pipe.And the boring and milling head outer that can process bend pipe also is in space state at present in the world.Winding pipe boring and milling head main driving mechanism is mainly served numerical control and common boring and milling class lathe, it also is the vitals of multiaxis control, 5-shaft linkage numerical control lathe, main frame is by being equipped with this type of bend pipe boring and milling head outer, the plane diaxon that can realize boring and milling head outer moves, the three-degree-of-freedom motion of a rotation solves the boring-mill work problem of bend pipe, and can enlarge the range of work and the function of use of main frame, enhance productivity greatly, help guaranteeing machining accuracy.Winding pipe boring and milling head main driving mechanism belongs to the high-tech matching component, and the characteristics that the content that possesses skills is high can be filled up in the world blank in this respect.
Find through literature search prior art, application number is that 200620091650.2 Chinese utility model patent discloses a kind of large-size horizontal lathe and installs the numerical control boring and milling head outer additional, realize moving by the clamping device feed mechanism, reach perforate, finished edge, collection car, mill, brill, boring all over the body, can be applicable on the main equipment.But this numerical control boring and milling head outer can not realize the processing of bend pipe.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of winding pipe boring and milling head main driving mechanism is provided, utilize a 3-PRR plane mechanism to realize that the plane diaxon of boring and milling head outer moves, the three-degree-of-freedom motion of a rotation, the boring-mill work problem of solution bend pipe.
The present invention is achieved by the following technical solutions, the present invention includes: pedestal, three identical servomotors, three identical decelerators, three identical shaft couplings, three groups of identical rolling bearings, three identical drive lead screws, three identical travelling nuts, Mobile Slide in the middle of, a pair of identical both sides Mobile Slide, three identical guide rails, intermediate connecting rod, a pair of identical side connecting rod, boring bar supporting seat and boring and milling cutter.Wherein, three servomotors are installed in respectively on the pedestal, and its output links with the input of three decelerators respectively, and three decelerators also are installed on the pedestal, and its output is connected with three drive lead screws by three shaft couplings respectively, to transmit torque and motion.Three drive lead screws pass through three groups of roller bearings respectively on pedestal, three drive lead screws are connected with three travelling nuts respectively, three guide rails are parallel to three drive lead screws respectively, place on the pedestal, three are separately installed with three Mobile Slides above the guide rail, three Mobile Slides connect firmly with three travelling nuts respectively, one end of three connecting rods is connected on three Mobile Slides by plane hinge respectively, the other end links to each other with the boring bar supporting seat by plane hinge respectively, and boring and milling cutter links to each other with the boring bar supporting seat by revolute pair.
In the use, three servomotors slow down by three decelerators respectively, driving three drive lead screws by three shaft couplings respectively again rotates, three drive lead screws drive three travelling nuts respectively and move, thereby driving three Mobile Slides that connect firmly with three travelling nuts moves along three guide rails respectively, three Mobile Slides drive the boring bar supporting seat by three connecting rods and then drive the boring and milling cutter motion, and boring and milling cutter can be driven along the rotation of pipeline central axis by machine motor, carries out boring-mill work.By the motion control of three servomotors, the boring bar supporting seat is moved along the pipeline trajectory of bend pipe, thereby the guiding boring and milling cutter is realized the boring-mill work of bend pipe.
The present invention has substantive distinguishing features and marked improvement, by the 3-PRR three-freedom planar mechanism that is constituted by worm drive and linkage, utilize three controllable motors as motion and power input, drive the boring bar supporting seat and realize that the plane diaxon moves, the three degrees of freedom of movement of a rotation, the guiding boring and milling cutter is realized the boring-mill work of bend pipe.It is big that the mechanism configuration of winding pipe boring and milling head main driving mechanism has rigidity, motion flexibly, simple in structure, mechanical gain height, stable transmission characteristics, and it is easy to manufacture, control is easy, but modularized design can be filled up the international blank of present bend pipe boring-mill work, applicable to heavy five-axle number control machine tool and horizontal boring and milling machine, to satisfy the processing request of bend pipe parts such as large chemical equipment, nuclear-plant.
Description of drawings
Fig. 1 is a structural representation of the present invention
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises: 1, three identical servomotor 2 of pedestal, 4, three groups of identical rolling bearings 5 of 3, three identical shaft couplings of three identical decelerators, three identical drive lead screws 6, three identical travelling nuts 7, middle Mobile Slide 8, a pair of identical both sides Mobile Slide 9, three identical guide rails 10, intermediate connecting rod 11, a pair of identical side connecting rod 12, boring bar supporting seat 13 and boring and milling cutter 14.
Wherein, three servomotors 2 are installed in respectively on the pedestal 1, and its output links with the input of three decelerators 3 respectively, and three decelerators 3 also are installed on the pedestal 1, its output is connected with three drive lead screws 6 by three shaft couplings 4 respectively, with transmission torque and motion.Three drive lead screws 6 are supported on the pedestal 1 by three groups of rolling bearings 5 respectively, three drive lead screws 6 are connected with three travelling nuts 7 respectively, three guide rails 10 are parallel to three drive lead screws 6 respectively, place on the pedestal 1, Mobile Slide 8 and two both sides Mobile Slides 9 in the middle of being separately installed with one above three guide rails 10, Mobile Slide 8 and two both sides Mobile Slides 9 connect firmly with three travelling nuts 7 respectively in the middle of one, one end of intermediate connecting rod 11 is connected on the middle Mobile Slide 8 by plane hinge, the other end links to each other with boring bar supporting seat 13 by plane hinge, one end of one offside connecting rod 12 is connected on two both sides Mobile Slides 9 by plane hinge respectively, the other end links to each other with boring bar supporting seat 13 by plane hinge respectively, and boring and milling cutter 14 links to each other with boring bar supporting seat 13 by revolute pair.
In the present embodiment, the structure and the dimensional parameters of two both sides Mobile Slides 9 are identical, the structure of Mobile Slide 8 is different with two both sides Mobile Slides 9 with dimensional parameters in the middle of one, the structure and the dimensional parameters of one offside connecting rod 12 are identical, and the structure of an intermediate connecting rod 11 is different with an offside connecting rod 12 with dimensional parameters.
In the use, three servomotors 2 slow down by three decelerators 3 respectively, driving three drive lead screws 6 by three shaft couplings 4 respectively again rotates, three drive lead screws 6 drive three travelling nuts 7 respectively and move, thereby Mobile Slide 8 and two both sides Mobile Slides 9 move along three guide rails 10 respectively in the middle of driving one that connects firmly with three travelling nuts 7, Mobile Slide 8 and two both sides Mobile Slides 9 drive boring bar supporting seat 13 and then drive boring and milling cutter 14 motions by an intermediate connecting rod 11 and an offside connecting rod 12 in the middle of one, boring and milling cutter 14 can be driven along the rotation of pipeline central axis by machine motor, carries out boring-mill work.By the motion control of three servomotors 2, boring bar supporting seat 13 is moved along the pipeline trajectory of bend pipe, thereby the guiding boring and milling cutter is realized the boring-mill work of bend pipe.
Claims (3)
1, a kind of winding pipe boring and milling head main driving mechanism, it is characterized in that: comprise pedestal, three identical servomotors, three identical decelerators, three identical shaft couplings, three groups of identical rolling bearings, three identical drive lead screws, three identical travelling nuts, Mobile Slide in the middle of one, a pair of identical both sides Mobile Slide, an intermediate connecting rod, a pair of identical side connecting rod, boring bar supporting seat and boring and milling cutter, three servomotors are installed on the pedestal respectively, the output of three servomotors links with the input of three decelerators respectively, three decelerators also are installed on the pedestal, the output of three decelerators is connected with three drive lead screws by three shaft couplings respectively, three drive lead screws pass through three groups of roller bearings respectively on pedestal, three drive lead screws are connected with three travelling nuts respectively, three guide rails are parallel to three drive lead screws respectively and place on the pedestal, three are separately installed with a middle Mobile Slide and two both sides Mobile Slides above the guide rail, Mobile Slide and two both sides Mobile Slides connect firmly with three travelling nuts respectively in the middle of one, one end of intermediate connecting rod is connected on the middle Mobile Slide by plane hinge, the other end links to each other with the boring bar supporting seat by plane hinge, one end of a pair of identical side connecting rod is connected on two both sides Mobile Slides by plane hinge respectively, the other end links to each other with the boring bar supporting seat by plane hinge respectively, and boring and milling cutter links to each other with the boring bar supporting seat by revolute pair.
2, winding pipe boring and milling head main driving mechanism according to claim 1, it is characterized in that, described three servomotors slow down by three decelerators respectively, driving three drive lead screws by three shaft couplings respectively again rotates, three drive lead screws drive three travelling nuts respectively and move, thereby Mobile Slide and two both sides Mobile Slides move along three guide rails respectively in the middle of driving one that connects firmly with three travelling nuts, Mobile Slide and two both sides Mobile Slides drive the boring bar supporting seat and then drive the boring and milling cutter motion by an intermediate connecting rod and an offside connecting rod in the middle of one, boring and milling cutter is driven along the rotation of pipeline central axis by machine motor, carries out boring-mill work.
3, winding pipe boring and milling head main driving mechanism according to claim 1 and 2, it is characterized in that, described boring bar supporting seat can realize that the plane diaxon moves, the three degrees of freedom of movement of a rotation, motion control by three servomotors can make the boring bar supporting seat move along the pipeline trajectory of bend pipe, thereby the guiding boring and milling cutter is realized the boring-mill work of bend pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810038195A CN100581696C (en) | 2008-05-29 | 2008-05-29 | Winding pipe boring and milling head main driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810038195A CN100581696C (en) | 2008-05-29 | 2008-05-29 | Winding pipe boring and milling head main driving mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101279380A CN101279380A (en) | 2008-10-08 |
| CN100581696C true CN100581696C (en) | 2010-01-20 |
Family
ID=40012154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810038195A Expired - Fee Related CN100581696C (en) | 2008-05-29 | 2008-05-29 | Winding pipe boring and milling head main driving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100581696C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101700580B (en) * | 2009-11-01 | 2011-09-14 | 江阴圆方机械制造有限公司 | Boring rod of inner boring mill of numerical control elbow |
| CN102266960B (en) * | 2010-06-03 | 2013-08-21 | 上海重型机器厂有限公司 | Device and method for machining inner hole of bent pipe of nuclear power main pipeline |
| CN102161111A (en) * | 2011-05-13 | 2011-08-24 | 新兴铸管股份有限公司 | Following boring machine |
| CN102683119A (en) * | 2012-01-05 | 2012-09-19 | 武汉市蓝电电子有限公司 | Motor-driven ultrahigh current relay |
| CN102601402B (en) * | 2012-03-06 | 2014-12-31 | 新兴铸管股份有限公司 | Floating boring head for processing inner surface of bent tube billets |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB180030A (en) * | 1921-02-15 | 1922-05-15 | Archibald Slater Willmot | Machine for drilling holes in a circular or curved direction |
| US5017057A (en) * | 1989-09-05 | 1991-05-21 | Ronald J. Harms | Apparatus for drilling a circularly curved bore |
-
2008
- 2008-05-29 CN CN200810038195A patent/CN100581696C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB180030A (en) * | 1921-02-15 | 1922-05-15 | Archibald Slater Willmot | Machine for drilling holes in a circular or curved direction |
| US5017057A (en) * | 1989-09-05 | 1991-05-21 | Ronald J. Harms | Apparatus for drilling a circularly curved bore |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101279380A (en) | 2008-10-08 |
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Granted publication date: 20100120 Termination date: 20160529 |