A kind of on-the-spot pipeline groove cutting machine
Technical field
The invention belongs to line equipment and install and welding technology field, relate to a kind of on-the-spot pipeline groove cutting machine.
Background technology
The process pipelines that the design and installation of petroleum and chemical industry enterprise is a large amount of, produces and operation demand to meet, and pipeline installation is to forming together pipeline by tube welding.The job site of pipeline installation, need to cut into groove at the joint area of pipeline, so that the butt welding of pipeline welding, traditional method is to be cut into groove with gas cutting.When long distance is laid petroleum pipeline, need the pipeline groove quantity of processing huge many, with conventional Methods of OFC-A finished edge, not only speed is slow, and groove quality is difficult to hold, groove meeting of poor quality increases difficulty to follow-up welding, causes the problems such as speed of welding is slow, appearance of weld is of poor quality.In the time that an equipment carries out pipeline cutting and bevel, often need multi-mode operation to cut qualified bevel for welding at the end of pipeline.
Granted publication number is that open " a kind of pipeline groove aid, comprising the Chinese utility model patent of CN 202655763 U: jackscrew, outer shroud, floor, roller, axle, rifle headgear, interior ring, bearing.Pipeline groove aid is connected into outer shroud and interior ring to be integrated by four floors, be equipped with three jackscrews outward, outer shroud, interior petticoat are provided with annular flange flange, roller is clamped, roller can rotate around toroidal cavity, roller is provided with bearing, in the middle of bearing, is axle, and axle head is provided with the rifle headgear of flexible connection ".This patented technology can alleviate workman's labour intensity, but can not effectively improve efficiency and the quality of the cutting of pipeline groove.
Summary of the invention
The object of this invention is to provide a kind of on-the-spot pipeline groove cutting machine, to improve the quality of pipeline groove cutting and the quality of pipeline welding, improve the efficiency of construction of groove cutting and pipe installation.
The on-the-spot pipeline groove cutting machine of the present invention, comprises chuck, initiatively chuck and milling cutter device, and chuck and initiatively chuck are respectively by outer shroud, interior ring be configured to, and outer shroud and interior ring are coaxially installed, and between outer shroud and interior ring, bearing are housed, and are inside equipped with set screw.Pipeline groove cutting machine is provided with speed changer, motor and belt pulley.In active chuck, be equipped with screw, interior ring is fixedly connected with belt pulley by bolt.Motor is connected with transmission gear, and speed changer is connected with belt pulley by feed belt.Milling cutter device comprises bevel cutter, milling cutter case and milling cutter travel mechanism, and milling cutter travel mechanism is arranged in milling cutter case, and bevel cutter is arranged in milling cutter travel mechanism.Milling cutter travel mechanism comprises milling cutter base, sliding support, leading screw, feed screw nut and runner, milling cutter base is connected with sliding support, sliding support bottom is provided with movable pulley, and milling cutter base is connected with feed screw nut by connecting rod, and feed screw nut moves and coordinates with threads of lead screw.
When milling cutter device is fixed milling cutter device, bevel cutter is fixed on milling cutter base with holder, and runner is handwheel.When milling cutter device is rotary milling cutter device, milling cutter device is also provided with cutter spindle, mobile drive motors and cutter motor.Cutter motor is arranged in milling cutter case, and cutter spindle is connected with motor shaft by bevel gear, and bevel cutter is arranged on cutter spindle, fixes by nut.Runner is sprocket wheel, and sprocket wheel is connected with mobile drive motors by gear.Cutting machine is provided with controller, and controller is connected with motor, mobile drive motors and cutter motor circuit, automatically controls the cutting of pipeline groove by controller.Bearing is ball bearing or roller bearing.Outer shroud is fastened and is formed by two semicircles, and two parts of outer shroud are bolted, and the latter half of outer shroud is connected with support.Milling cutter device also comprises pipeline cutting knife, cutter motor and cutting knife travel mechanism.Cutting knife travel mechanism is arranged in milling cutter case, and pipeline cutting knife is arranged in cutting knife travel mechanism by cutter supporter.Cutter motor is arranged in cutter supporter, and pipeline cutting knife is arranged on motor shaft.Chuck lays respectively at the initiatively both sides of chuck.As selection, chuck is made up of interior ring, roller and rolling wheel support, is inside equipped with set screw, and interior ring rolls and contacts with roller.
The present invention is fixed on processed pipeline on on-the-spot pipeline groove cutting machine by chuck and active chuck, motor drives belt pulley to rotate by speed changer, driving pipeline rotates, the bevel cutter that utilization is arranged on milling cutter device carries out groove cutting to pipeline, improve cut quality and the pipeline welding quality of pipeline groove, improved groove cutting and pipe installation efficiency of construction.Milling cutter device is fixed milling cutter device and rotary milling cutter device, has increased the flexibility of pipeline groove cutting.While using rotary knife apparatus, by controller control cutting process, realize the automation of pipeline groove cutting, further improve the quality of pipeline groove cutting.Install pipeline cutting knife additional at milling cutter case, realize pipeline cutting and groove cutting and carry out simultaneously, save manpower and engineering time, further improve pipeline installation efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the on-the-spot pipeline groove cutting machine of the present invention;
Fig. 2 is the structural representation of another embodiment of the present invention;
Fig. 3 is chuck and active chuck structure schematic diagram;
Fig. 4 is the side sectional view of chuck and active chuck;
Fig. 5 is the structural representation of another kind of chuck;
Fig. 6 is the side sectional view of another kind of chuck;
Fig. 7 is the structural representation (fixed milling cutter device) of milling cutter travel mechanism;
Fig. 8 is the structural representation of the third embodiment of the present invention.
Wherein:
1-processed pipeline, 2-chuck, 3-belt pulley, 4-feed belt, 5-speed changer, 6-motor, 7-nut, 8-bevel cutter, 9-milling cutter case, 10-outer shroud, 11-set screw, 12-bolt, 13-bearing, 14-support, 15-interior ring, 16-screw, 17-screw thread, 18-roller, 19-rolling wheel support, 20-controller, 21-cutter motor, 22-initiatively chuck, 23-milling cutter base, 24-sliding support, 25-leading screw, 26-movable pulley, 27-feed screw nut, 28-handwheel, 29-milling cutter travel mechanism, 30-bevel gear, 31-holder, 32-pipeline cutting knife, 33-cutting knife travel mechanism, 34-cutter supporter.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
Embodiment 1
The on-the-spot pipeline groove cutting machine of the present invention as shown in Figure 1, comprises 2 chucks 2, active chuck 22, belt pulley 3, speed changer 5, motor 6 and milling cutter device.As shown in Figure 3, Figure 4, initiatively chuck and chuck are made up of outer shroud 10, interior ring 15 and support 14, and outer shroud and interior ring are coaxially installed, and between outer shroud and interior ring, bearing 13 are housed, and bearing is ball bearing.Outer shroud 10 is fastened and is formed by two semicircles, and two parts of outer shroud are fixing by bolt 12, and the latter half of outer shroud is connected with support 14.Inside be equipped with set screw 11, set screw clamps processed pipeline through the screw of interior endless belt screw thread 17.In active chuck, be equipped with screw 16, initiatively the interior ring of chuck is fixedly connected with belt pulley by bolt.Motor is connected with transmission gear, and speed changer is connected with belt pulley by feed belt 4.Milling cutter device is fixed milling cutter device, comprises bevel cutter 8, milling cutter case 9 and milling cutter travel mechanism 29.Milling cutter travel mechanism is arranged in milling cutter case, and bevel cutter is arranged in milling cutter travel mechanism.As shown in Figure 7, milling cutter travel mechanism comprises milling cutter base 23, sliding support 24, leading screw 25, feed screw nut 27 and handwheel 28, and milling cutter base is connected with sliding support.Sliding support bottom is provided with movable pulley 26, and milling cutter base is connected with feed screw nut by connecting rod, and feed screw nut moves and coordinates with threads of lead screw.Bevel cutter 8 use holders 31 are fixed on milling cutter base 23, regulate the progress of groove cutting with handwheel.
When on-the-spot pipeline groove cutting machine bevel cut, processed pipeline 1 is placed in to groove cutting machine, makes pipeline pass the interior ring 15 of chuck 2 and active chuck 22, screwed in place screw 11, adjusts center.Ring and the rotation of processed pipeline in starter motor 6 drives, with hand rotation handwheel 28, make bevel cutter approach processed pipeline cutting part and cut.
Embodiment 2
Another embodiment of the present invention as shown in Figure 2, comprises 2 chucks 2, active chuck 22, belt pulley 3, speed changer 5, motor 6, controller 20 and milling cutter device.As shown in Figure 3, Figure 4, initiatively chuck is made up of outer shroud 10, interior ring 15 and support 14, and outer shroud and interior ring are coaxially installed, and between outer shroud and interior ring, bearing 13 are housed, and bearing is roller bearing.Outer shroud 10 is fastened and is formed by two semicircles, and two parts of outer shroud are fixing by bolt 12, and the latter half of outer shroud is connected with support 14.Inside be equipped with set screw 11, set screw clamps processed pipeline through the screw of interior endless belt screw thread 17.As shown in Figure 5, Figure 6, chuck is made up of interior ring 15, roller 18 and rolling wheel support 19, is inside equipped with set screw 11, and interior ring rolls and contacts with roller, and set screw clamps processed pipeline 1 through the screw of interior endless belt screw thread 17.In active chuck, be equipped with screw 16, initiatively the interior ring of chuck is fixedly connected with belt pulley by bolt.Motor is connected with transmission gear, and speed changer is connected with belt pulley by feed belt 4.Milling cutter device is rotary milling cutter device, comprises bevel cutter 8, milling cutter case 9, milling cutter travel mechanism 29, cutter spindle 30, mobile drive motors and cutter motor 21.Milling cutter travel mechanism and cutter motor are arranged in milling cutter case, and cutter spindle is connected with motor shaft by bevel gear 30, and bevel cutter is arranged on cutter spindle, female fixing by spiral shell 7.Runner is sprocket wheel, and sprocket wheel is connected with mobile drive motors by gear.Controller 20 is connected with motor 6, mobile drive motors and cutter motor 21 circuit, automatically controls the cutting of pipeline groove by controller.
Embodiment 3
The third embodiment of the present invention as shown in Figure 8, comprises 3 chucks 2, active chuck 22, belt pulley 3, speed changer 5, motor 6 and milling cutter device.Initiatively the left side of chuck 22 is provided with 1 chuck, and right side is provided with two chucks.Milling cutter device comprises bevel cutter 8, milling cutter case 9, milling cutter travel mechanism 29, pipeline cutting knife 32, cutter motor and cutting knife travel mechanism 33.Milling cutter travel mechanism 29 and cutting knife travel mechanism are arranged in milling cutter case 9, and bevel cutter is arranged in milling cutter travel mechanism, and pipeline cutting knife is arranged in cutting knife travel mechanism by cutter supporter 34.Cutter motor is arranged in cutter supporter, and pipeline cutting knife is coaxially connected with cutter motor.Bevel cutter 8 on milling cutter case and pipeline cutting knife 32 can pass through milling cutter travel mechanism 29 and cutting knife travel mechanism 32 transpositions, adjust working face.
When laying petroleum pipeline line need to cut off pipeline bevel cut, processed pipeline 1 is placed in to groove cutting machine, makes pipeline pass the interior ring 15 of chuck 2, initiatively chuck 22 and two chucks in right side, screwed in place screw 11, adjusts center.In starter motor 6 drives, ring and processed pipeline 1 rotate, and by cutting knife travel mechanism 33, pipeline cutting knife are moved to cutting position and carry out cutting operation.Then remove pipeline cutting knife 32, by milling cutter travel mechanism 29, bevel cutter 8 is moved to working face, with hand rotation handwheel 28, make bevel cutter approach processed pipeline cutting part and carry out groove cutting.