CN111151776A

CN111151776A - Special end face boring cutter bar for special thread

Info

Publication number: CN111151776A
Application number: CN202010161163.3A
Authority: CN
Inventors: 夏克东; 付振国; 王光朋; 潘创业; 韩庆生
Original assignee: Yantai Lubao Steel Pipe Co Ltd
Current assignee: Yantai Lubao Steel Pipe Co Ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-05-15

Abstract

The invention discloses an end face boring cutter bar special for special buckle threads, which comprises a switching cutter handle interface and a cutter handle body and is characterized in that the cutter handle body is provided with the boring cutter bar; the end face turning tool bit is arranged on the tool holder body, the boring cutter bar is completely and fixedly locked with the tool holder body by adopting a high-strength bolt in the circumferential direction, and the boring cutter bar is provided with a boring turning tool bit; the inner emulsion channel of the boring cutter bar is respectively communicated and connected with the inner emulsion channel of the end face and the inner emulsion channel of the boring; the end face cutting unit is added to the cutter handle body, the boring cutter bar is completely fixed and locked with the cutter handle body through the high-strength bolt in the circumferential direction, high stability is obtained, end face machining and boring machining can be achieved, and machining efficiency is improved.

Description

Special end face boring cutter bar for special thread

The technical field is as follows:

the invention relates to the technical field of seamless steel pipe equipment, in particular to an end face boring cutter bar special for special buckle threads, which can realize simultaneous processing of an end face and a boring hole and improve the processing efficiency of a special buckle.

Background art:

at present, in the production of oil casings, a pipe threading machine is an important external thread processing device and is used for processing structures such as external threads, sealing surfaces and the like on two ends of the oil casings. And the traditional boring cutter bar of the pipe threading machine can only process special buckle boring holes, but cannot simultaneously process the special buckle end faces and the inner boring holes. In recent years, the exploitation and the demand of oil and gas still keep rising trend, meanwhile, as the difficulty of oil and gas exploration and development is continuously increased, the requirements on the performance of an oil well pipe are higher and higher, and particularly, a high-performance oil casing pipe used for a harsh environment and a special oil casing pipe used for shale gas development become the development trend of the oil well pipe market in the future. The special knot of traditional body threading machine is processed, and terminal surface and bore hole separately process occupy main technology processing, and efficiency is lower, can't satisfy present oil field market demand.

The invention content is as follows:

the invention aims to overcome the defects of the prior art and provide the special end face boring cutter bar for the special fastening threads, so that the end face and the boring are simultaneously machined when the pipe body is specially fastened and machined, and the machining efficiency is improved.

The technical scheme provided by the invention is as follows: the special end face boring cutter bar for the special fastening threads comprises a switching cutter handle interface and a cutter handle body which are fixedly connected; the special point is that a boring cutter bar is arranged on the cutter handle body; the end face turning tool bit is arranged on the tool holder body, the boring cutter bar is completely and fixedly locked with the tool holder body by adopting a high-strength bolt in the circumferential direction, and the boring cutter bar is provided with a boring turning tool bit; the inner emulsion boring cutter is characterized in that a cutter handle body is internally provided with a cutter handle inner emulsion channel and an end face inner emulsion channel, the boring cutter rod is internally provided with a boring inner emulsion channel, and the cutter handle inner emulsion channel is respectively communicated and connected with the end face inner emulsion channel and the boring inner emulsion channel.

The invention has the beneficial effects that: 1. the end face cutting unit is added to the cutter bar body, and the boring cutter bar is locked by the high-strength bolt in a completely clamping mode in the circumferential direction, so that high stability is obtained, end face machining and boring machining can be simultaneously met, and machining efficiency is improved; 2. the end face turning blade has the advantages that the end face turning blade is integral, vibration can be avoided during machining, the service life of the cutter is prolonged, and the boring turning blade is locked by the high-strength bolt; 3. emulsion can be sprayed into the end surface internal emulsion channel and the boring internal emulsion channel from the interior of the cutter tower through the internal emulsion channel of the cutter handle, so that the emulsion path is changed; 4. the boring lathe blade is selected according to the technical requirements of boring, and is fixed on the boring cutter bar through the bolt, so that the dismounting is convenient, and the production cost can be effectively reduced; the boring cutter bar and the cutter handle body are provided with emulsion channels, and emulsion is sprayed into the cutting edges of the boring lathe blade and the end face lathe blade, so that the effects of cooling and prolonging the service life of the cutter are achieved.

Description of the drawings:

fig. 1 is a schematic structural view of the present invention.

In the figure: 1 switching handle of a knife interface, 2 high strength bolts, 3 bore holes cutter arbor, 4 bore holes turning tool piece, emulsion passageway in 5 bore holes, 6 handle of a knife bodies, 7 terminal surface turning tool piece tool bits, emulsion passageway in 8 handles of a knife, emulsion passageway in 9 terminal surfaces.

The specific implementation mode is as follows:

for a better understanding and implementation, the following detailed description is given in conjunction with the accompanying drawings, which are provided for illustration only and are not intended to limit the scope of the present invention.

As shown in fig. 1, the special end face boring cutter bar for the special thread comprises a switching cutter handle interface 1, wherein the switching cutter handle interface 1 adopts an original cutter seat interface structure of a threading machine; a tool handle body 6 is arranged on the adapter tool handle interface 1, and a boring tool bar 3 is arranged on the tool handle body 6; the end face turning blade bit 7 is installed on the cutter handle body 6 in a screw fixing mode, the boring cutter bar 3 is completely fixed and locked with the cutter handle body 6 in the circumferential direction by adopting the high-strength bolt 2, the boring cutter bar 3 with different lengths can be replaced according to different product requirements, the cutter handle body 6 is a clamping unit of the boring cutter bar 3, and the boring turning blade 4 is installed on the boring cutter bar 3 in a screw fixing mode; the inner emulsion channel 8 of the cutter handle and the inner emulsion channel 9 of the end face are arranged in the cutter handle body 6, the inner emulsion channel 5 of the boring hole is arranged in the boring cutter rod 3, the inner emulsion channel 8 of the cutter handle is respectively communicated and connected with the inner emulsion channel 9 of the end face and the inner emulsion channel 5 of the boring hole, and emulsion can be sprayed into the inner emulsion channel 9 of the end face and the inner emulsion channel 5 of the boring hole from the inside of the cutter tower through the inner emulsion channel 8 of the cutter handle, so that the emulsion path is changed.

According to the special end face boring cutter bar for the special buckle threads, when the special buckle threads work, the adapter cutter handle interface is connected to the cutter head of the pipe threading machine, the shockproof effect can be improved when the end face turning cutter head is used for machining an end face, the boring cutter bar is fixed on the cutter handle body through the high-strength bolt, the machining stability of the boring cutter bar can be improved, the end face machining and boring machining can be simultaneously met, and the machining efficiency is improved; compared with an integral boring bar, the boring bar has the advantages that boring bar rods with different lengths are replaced according to different product requirements, disassembly and replacement are convenient, replacement efficiency is effectively improved, and production cost is reduced; emulsion can be from the inside emulsion passageway in the handle of a knife of the knife tower, spout emulsion passageway in the terminal surface and the emulsion passageway in the bore hole into, realize the change in emulsion route, spout emulsion end facing lathe blade tool bit and bore hole lathe blade into, play the effect of cooling and improvement cutter life-span.

Claims

1. The special end face boring cutter bar for the special fastening threads comprises a switching cutter handle interface (1) and a cutter handle body (6), wherein the switching cutter handle interface (1) and the cutter handle body are fixedly connected; the special tool is characterized in that a boring cutter bar (3) is arranged on the cutter handle body (6); the end face turning tool bit (7) is arranged on the tool holder body (6), the boring tool bar (3) is completely and fixedly locked with the tool holder body (6) by adopting a high-strength bolt (2) in the circumferential direction, and the boring turning tool bit (4) is arranged on the boring tool bar (3); the novel boring cutter is characterized in that a cutter handle body (6) is internally provided with a cutter handle internal emulsion channel (8) and an end surface internal emulsion channel (9), a boring cutter rod (3) is internally provided with a boring internal emulsion channel (5), and the cutter handle internal emulsion channel (8) is respectively communicated and connected with the end surface internal emulsion channel (9) and the boring internal emulsion channel (5).