SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a beveling machine solves a great deal of defect that current beveling machine can only bring the whole circle cutting of pipeline at least.
According to the utility model discloses groove machine of design, include: the cutting machine comprises a rail body, a cutting device and a cutting device, wherein the rail body is suitable for being fixed on a workpiece to be cut and is provided with a rail; a guide roller, a first end of the guide roller being adapted to move along the track; a cutting device connected to the second end of the guide roller to cut the workpiece; the guide roller supporting frame is provided with a guide roller supporting hole, and the guide roller is supported in the guide roller supporting hole; and the driving device is used for driving the guide roller supporting frame to rotate, so that the guide roller supporting frame drives the guide roller to move along the track.
According to an exemplary embodiment of the utility model, in foretell beveling machine, the track is circular, just the deflector roll supported hole is the round hole, the deflector roll connect in the deflector roll supported hole and along with the deflector roll support frame rotates.
According to an exemplary embodiment of the utility model, in foretell beveling machine, the track is oval, just the deflector roll supported hole is the slot, the deflector roll connect in the deflector roll supported hole to along with the rotation of deflector roll support frame is in reciprocating sliding in the deflector roll supported hole.
According to an exemplary embodiment of the present invention, in the beveling machine, the rail body is plate-shaped, and the rail is a rail groove formed by recessing on the plate-shaped rail body.
According to an exemplary embodiment of the present invention, in the beveling machine, the guide roller has a cylindrical shape, and a first end of the guide roller has a convex portion with an increased diameter; and the top edge of the track groove is provided with a stopping part, and the stopping part is matched with the protruding part to prevent the guide roller from being separated from the track groove.
According to an exemplary embodiment of the present invention, in the beveling machine as described above, the second end of the guide roller has a tool holder fixing device for fixing a tool holder of the cutting device.
According to an exemplary embodiment of the present invention, in the beveling machine as described above, the tool rest fixing device is screwed to the outer periphery of the guide roller.
According to an exemplary embodiment of the present invention, in the beveling machine mentioned above, the rail body includes a base, and the base is provided with a connecting mechanism so as to fix the rail body on a workpiece to be cut.
According to an exemplary embodiment of the present invention, in the beveling machine described above, the base is a separate component connected to the rail body.
According to an exemplary embodiment of the present invention, in the beveling machine, the base and the rail body form an integral structure.
The beveling machine provided by the embodiment of the utility model can dig out local defects of a workpiece and form a bevel, thereby avoiding a series of problems that the traditional beveling machine can only be used for cutting a whole circle of a pipeline, and has large workload, low efficiency, high cost, over-repair, easy generation of new welding defects, incapability of processing operation on an endless pipeline and the like; meanwhile, adverse effects on the quality of the pipeline such as oxyacetylene flame, electric welding burn-out and the like are overcome, the problem that the grinding wheel is difficult to polish the high-alloy large-caliber thick-wall pipe is solved, the local defects of a welding seam and a parent metal of the high-alloy large-caliber thick-wall pipe can be excavated and a groove is formed, and the high-alloy large-caliber thick-wall pipe has the advantages of high efficiency and reliable quality.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The beveling machine of some exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic side view of a state of use of an electric bevelling machine according to an embodiment of the present invention. Fig. 2 is a perspective schematic view of the beveling machine shown in fig. 1 in a use state.
As shown in fig. 1 and 2, the beveling machine 100 is installed on a pipe 200 to remove a local defect on the pipe 200 and to bevel a welding groove. The application of the beveling machine of the present invention is illustrated by taking a pipe as an example, and it should be understood that the beveling machine of the present invention can also be used for cutting and beveling other types of workpieces. The beveling machine 100 includes a rail body 10, the rail body 10 is fixed to the pipe 200, and a rail 11 is provided on the rail body 10. The track body 10 is a main structural component of the beveling machine, and is used for assembling and bearing a driving motor, a guide roller support frame, a tool rest, a turning tool and the like (described later). The track body 10 can be made of steel or alloy materials, and has certain length, width, thickness and rigidity so as to excavate the track thereon.
In the embodiment shown in fig. 1, the rail body 10 includes a base 12, and a connection mechanism is provided on the base 12 to secure the rail body 10 to the pipe 200. To facilitate attachment to the pipe, the bottom surface of the base 12 may be configured in a concave arc shape. The track body 10 is shown to be fixed to the pipeline 200 by two chains 300 to ensure the stability and firmness of the operation. Accordingly, the base 12 may be provided with a coupling mechanism such as a hook for coupling the chain 300 to facilitate the fixing. One skilled in the art can envision other securing devices in place of the chain 300 and correspondingly form other attachment mechanisms on the base 12 to achieve securement.
Alternatively, the base 12 and the track body 10 are separate components and are secured together by, for example, welding field attachment. This facilitates weight and volume reduction of the rail body 10, storage and transportation, and the like. In addition, the base 12 and the rail body 10 may be formed as an integral structure to reduce the workload of installation and the like. Of course, the rail body 10 may be directly fixed to the duct 200 without providing a base.
The beveling machine 100 further comprises a guide roller 20, a first end of the guide roller 20 is movable along the track 11 of the track body 10, a second end of the guide roller 20 is connected with a cutting device 30, and the cutting device 30 may comprise a tool holder 31 and a turning tool 32 mounted on the tool holder 31 for cutting and beveling local defects on the pipe 200. The tool holder 31 and the turning tool 32 can be selected from various existing tool holders and turning tools as required. The tool holder 31 preferably allows for adjustment of the amount of the cutting tool 32 to facilitate the beveling operation.
The guide rollers 20 are supported on guide roller support frames 40. Specifically, the guide roller support frame 40 has a guide roller support hole 41 thereon, and the guide roller 20 is rotatably supported in the guide roller support hole 41 and extends to the rail 11 through the guide roller support hole 41. The guide roller support frame 40 can be made of flat iron, steel bar, etc. having a certain rigidity and strength. The guide roller support hole 41 and the guide roller 20 may be configured to cooperate with each other to effectively and smoothly draw the guide roller 20 into motion without easily dropping the guide roller 20 from the rail 11 and the guide roller support frame 40.
The beveling machine 100 further includes a driving device 50, such as an electric motor, for driving the guide roller support frame 40 to rotate, so that the guide roller support frame 40 drives the guide roller 20 to move along the rail 12. The rotating shaft 51 of the driving device 50 may be connected to the guide roller supporting bracket 40 through an opening on the rail body 10. The guide roller support frame 40 serves as a connection member between the driving device 50 and the guide roller 20, and transmits power of the driving device 50 to the guide roller 20. The guide roller support frame 40 has one end fixed to a rotation shaft 51 of the driving motor and one end circularly movable around the rotation shaft 51. Additional support structure may be provided to support the drive means.
According to an exemplary embodiment, in the beveling machine 100, the rail body 10 is a thick plate shape, and the rail 11 is a rail groove formed by recessing on the plate-shaped rail body. The track groove has a size and a depth matched with the guide roller 20 to facilitate the guide roller 20 to rotationally move along the track groove under the traction of the guide roller support bracket 40. It is preferable that the inner wall surface of the track groove is smoothed to reduce resistance, thereby facilitating the sliding of the guide roller 20.
As shown in fig. 2, the rail 11 of the rail body 10 is oval; correspondingly, the guide roller support hole 41 of the guide roller support frame 40 is a rectangular hole. The width of the rectangular hole and the guide rail can be matched with each other, so that the guide rail can be effectively and smoothly drawn to move, the guide rail is prevented from falling off from the guide rail and the connecting rod, the guide roller 20 is movably connected in the guide roller supporting hole 41 to slide in the guide roller supporting hole 41 in a reciprocating manner along with the rotation of the guide roller supporting frame 40, and therefore, the distance between the guide roller 20 and the rotating shaft 51 can be changed, and the guide roller can move along the oval track 11.
Although the rail 11 is shown in fig. 1 and 2 as being oval, as an alternative embodiment, the rail 11 may be circular, and accordingly, the guide roller supporting hole 41 is formed as a circular hole corresponding to the diameter of the guide roller 20. The round-hole guide roller support hole 41 facilitates more stable driving of the guide roller 20. The guide roller 20 is supported and coupled in the circular guide roller support hole 41 and rotates with the guide roller support frame 40 such that the distance of the guide roller 20 with respect to the rotation shaft 51 is constant to move along the circular track 11.
Considering that the pipe welds need to be cut in different lengths or depths, the advantages of using an elliptical orbit compared to a circular orbit are as follows: the elliptical tracks have major and minor axes and the bottom ends of the tracks are spaced from the surface of the pipe at different distances when placed at different locations. When the cutting device is vertically arranged, namely the long axis is vertical to the surface of the pipeline, the bottom end of the cutting device is closer to the surface of the pipeline, and the cutting length is shorter; when it is arranged horizontally, i.e. with the long axis parallel to the surface of the pipe, its bottom end is further from the surface of the pipe and the cut length is longer. Therefore, the requirement of different lengths or depths of the cutting weld joint can be met by adopting the oval track. When a weld seam with short length or deep depth needs to be cut, the oval guide rail can be vertically placed, and otherwise, the oval guide rail can be horizontally placed.
Fig. 3 is a schematic structural view of a partial structure of an beveling machine according to an exemplary embodiment of the present invention. As shown in fig. 3, the guide roller 20 has a cylindrical shape with a first end having a protrusion 25 with an increased diameter. Accordingly, a stopping portion 15 is disposed at the top edge of the track groove of the track 11, and the stopping portion 15 is matched with the protrusion portion 25 to prevent the guide roller 20 from being separated from the track groove. The stopper 15 may be fixedly attached to the upper edge of the rail groove by screws. When the guide roller is installed, the protruding part 25 at the lower end of the guide roller 20 can be firstly placed into the guide rail groove, then the stopping part is installed on the side wall of the guide rail groove, and then the guide roller 20 is sleeved into the guide roller supporting frame 40.
Alternatively, the stopping portion 15 and the protruding portion 25 may not be provided, but the positioning boss 24 may be provided below the guide roller supporting frame 40, and the positioning boss 24 is sleeved on the guide roller 20, so as to prevent the guide roller from sliding upwards. Further optionally, positioning bosses may be disposed on both the upper and lower directions of the guide roller support frame 40 to better position the guide roller 20.
In addition, a tool holder fixing device 22 is connected to the second end of the guide roll 20 for fixing a tool holder 31 of the cutting device. The guide roller support 40, the guide roller 20 and the tool holder fixing device 22 are combined together to transmit the power of the driving motor to the tool holder 31, so that the turning tool 32 performs cutting work to form a groove on the pipeline.
In the example shown in fig. 3, the tool holder fixing device 22 is screwed to the outer circumference of the upper portion of the guide roller 20. However, the present invention is not limited thereto, and the tool holder fixing device 22 may be fixedly connected to the guide roller by other connection means such as welding. Alternatively, the tool holder fixture 22 may be formed as an integral part with the guide roll 20. Alternatively, the tool holder fixing device 22 has a size larger than that of the guide roller supporting hole of the guide roller supporting bracket 40, so that the tool holder fixing device 22 can simultaneously function to prevent the guide roller 20 from slipping out of the guide roller supporting bracket 40.
According to the utility model discloses groove machine 100's track body, track, deflector roll support frame and base, can be according to the specification and size of waiting to cut the pipeline, process the customization. The tool rest, the turning tool, the motor, the pipeline fixing device and the like can be purchased and used directly on the market. The tool holder may be welded or otherwise secured to the guide roller or to the tool holder fixture on the guide roller. When the tool rest is installed, the cutting edge of the tool directly reaches the surface of the pipeline, and then the bolt on the tool rest is fixed.
The utility model discloses beveling machine's operation process profile is as follows:
when the device works, a base of the beveling machine is fixedly locked on the surface of a pipeline to be machined and cut through a chain fixing system;
adjusting the feed amount of the tool rest through a carry bolt on the tool rest, so that the turning tool is close to the surface to be cut of the pipeline, and testing the cutting tool;
and starting a motor to turn, and finishing the cutting and groove machining of local defects by adjusting the feed amount on the tool rest in the turning process.
The utility model discloses beveling machine has following advantage:
1. the influence of oxyacetylene flame, electric welding burn-off and the like on the quality of the pipeline is overcome;
2. the problem that the grinding wheel is difficult to grind is solved;
3. the defect that a common beveling machine can only perform overall cutting but cannot perform local precise cutting is overcome;
4. the method can realize accurate excavation and formation of the groove of the weld joint and the local defect of the parent metal of the high-alloy large-caliber thick-wall pipe, and has the characteristics of high efficiency and reliable quality.
5. The applicability is wide, and the method can be used for excavating and removing the defects of the on-site groove processing of the endless pipeline.
The utility model discloses the beveling machine of design carries out the defect when especially being fit for the on-the-spot local welding of heavy-calibre thick-walled pipe of high alloy material to repair and groove preparation, for example the on-the-spot welding of the heavy-calibre thick wall industrial pipeline, collection case of trades such as electric power, chemical industry is restoreed. And can also be used for low alloy steel pipelines.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.