CN210412915U

CN210412915U - PCBN thread chaser for oil drill pipe

Info

Publication number: CN210412915U
Application number: CN201921339282.2U
Authority: CN
Inventors: 周磊; 刘祥慧; 张志远; 田国建
Original assignee: Zhengzhou Realy Superabrasives Co ltd
Current assignee: Zhengzhou Realy Superabrasives Co ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-04-28
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses a PCBN thread chaser for petroleum drill rod, which comprises a cutter bar, the rear end face of the cutter bar is provided with a mounting component, the position of the front edge of the periphery of the cutter bar is evenly distributed with a plurality of second inserting grooves along the periphery, the front end face of the cutter bar is connected with a cutter frame, the PCBN thread chaser for petroleum drill rod is convenient to fix the PCBN thread chaser on the cutter frame through a fixed semi-ring, the stability of the PCBN thread chaser during working is improved, the disassembly and the replacement are convenient, the fixed semi-ring is convenient to prevent from sliding along the axial direction of the cutter bar through a connecting convex ring and a connecting groove, the fixed semi-ring is convenient to prevent from sliding along the periphery of the cutter bar through a positioning plate, the stability of the PCBN thread chaser during working is further improved, the thread chaser is convenient to be mounted on other equipment through the mounting component, the temperature of the PCBN thread chaser during working is prevented from being, the use is convenient.

Description

PCBN thread chaser for oil drill pipe

Technical Field

The utility model relates to a screw cutter processing technology field specifically is a PCBN screw thread chaser for oil drill pipe.

Background

PCBN screw thread chaser is a device that can give machining screw thread, including cutter arbor and chaser subassembly, with PCBN chaser subassembly fixed connection on the cutter arbor, carries out thread machining through PCBN chaser subassembly to the mesh of processing screw thread has been reached, but in use, PCBN screw thread chaser often can't replace the cutter alone when damaging, and PCBN screw thread chaser stability is low, causes PCBN screw thread chaser to carry out the easy production error of thread machining.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a PCBN thread chaser for oil drill pipe, be convenient for change PCBN thread chaser, PCBN thread chaser's stability is better, makes PCBN thread chaser be difficult to the production error when carrying out screw thread processing, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PCBN screw thread chaser for oil drill pipe, includes the cutter arbor the rear end face of cutter arbor is equipped with the installation component, the position department of cutter arbor week front edge has a plurality of inserting groove two along its circumference evenly distributed, the preceding terminal surface of cutter arbor is connected with the knife rest, be equipped with the inserting groove one that corresponds with inserting groove two on the knife rest global, it has PCBN screw thread chaser to peg graft in inserting groove one and the inserting groove two, the position department of cutter arbor week front edge is equipped with a plurality of connection bulge loops that correspond with the outer terminal surface structure of PCBN screw thread chaser along the axial, be connected with two fixed semi-rings through connecting the bulge loop on the global of cutter arbor, connect through connecting screw between two fixed semi-rings.

As a preferred technical scheme of the utility model, the installation component is including establishing a plurality of unable adjustment bases along its circumference evenly distributed at the cutter arbor rear end face, unable adjustment base's rear end face is equipped with the mounting panel, be equipped with a plurality of mounting holes on the mounting panel.

As an optimized technical scheme of the utility model, the internal surface of two stationary half rings all is equipped with the coupling groove who corresponds with the connection bulge loop.

As a preferred technical scheme of the utility model, the global front edge position department of cutter arbor is equipped with constant head tank one, be equipped with constant head tank two that corresponds with constant head tank one on the knife rest global, the internal surface of one of them stationary half ring is equipped with constant head tank three that corresponds with constant head tank one and constant head tank two.

As a preferred technical scheme of the utility model, be equipped with the locating plate in constant head tank one, constant head tank two and the constant head tank three, the locating plate passes through set screw and constant head tank two fixed connection.

As a preferred technical scheme of the utility model, a plurality of water-cooling holes have been seted up along the fore-and-aft direction to the preceding terminal surface of cutter arbor, the outer wall circumference evenly distributed of cutter arbor is followed in the water-cooling hole.

As a preferred technical scheme of the utility model, be equipped with a plurality of dirty tank along its circumference on the global of knife rest.

As an optimized technical scheme of the utility model, a dirty silo sets up with inserting groove is crisscross.

Compared with the prior art, the beneficial effects of the utility model are that: be convenient for fix PCBN screw thread chaser at the knife rest through fixed semi-ring, the stability of PCBN screw thread chaser during operation has been improved, and convenient to detach and change, be convenient for prevent fixed semi-ring along cutter arbor endwise slip through connecting bulge loop and connecting grooves, be convenient for prevent fixed semi-ring along cutter arbor circumference slip through the locating plate, PCBN screw thread chaser during operation stability has further been improved, be convenient for install screw thread chaser on other equipment through the installation component, be convenient for spray the cutting fluid to PCBN screw thread chaser's work department through the water-cooling hole, prevent PCBN screw thread chaser during operation high temperature, waste material when being convenient for discharge PCBN screw thread chaser through the dirty tank, it is comparatively convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the partial cross-sectional structure of the present invention;

fig. 4 is a schematic view of a partial cross-sectional structure of the insertion groove of the present invention;

FIG. 5 is a schematic view of the positioning plate mounting structure of the present invention;

figure 6 is the utility model discloses PCBN screw thread chaser mounting structure sketch map.

In the figure: 1 cutter arbor, 2 stationary half ring, 3 water-cooling hole, 4 dirty tanks, 5PCBN screw chasers, 6 knife rests, 7 connecting screw, 8 mounting panels, 9 unable adjustment base, 10 mounting holes, 11 set screw, 12 locating plates, 13 constant head tank one, 14 connection bulge loops, 15 connecting grooves, 16 constant head tank two, 17 constant head tank three, 18 inserting groove one, 19 inserting groove two.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a PCBN thread chaser for an oil drill rod comprises a cutter bar 1, a mounting component is arranged on the rear end face of the cutter bar 1, a plurality of second insertion grooves 19 are uniformly distributed at the position of the front edge of the periphery of the cutter bar 1 along the circumferential direction of the cutter bar 1, a cutter frame 6 is connected with the front end face of the cutter bar 1, a first insertion groove 18 corresponding to the second insertion groove 19 is arranged on the periphery of the cutter frame 6, a PCBN thread chaser 5 is inserted in the first insertion groove 18 and the second insertion groove 19, a plurality of connecting convex rings 14 corresponding to the outer end face structure of the PCBN thread chaser 5 are axially arranged at the position of the front edge of the periphery of the cutter bar 1, two fixed semi-rings 2 are connected on the periphery of the cutter bar 1 through the connecting convex rings 14, the two fixed semi-rings 2 are connected through connecting screw rods 7, the mounting component comprises a plurality of fixed bases 9 uniformly distributed at the rear end face of the cutter bar 1 along the circumferential direction, a mounting, can ensure that the connection part of the thread chaser and power equipment can not be loosened, the inner surfaces of the two fixed half rings 2 are respectively provided with a connecting groove 15 corresponding to the connecting convex ring 14, the front edge position of the peripheral surface of the cutter bar 1 is provided with a positioning groove I13, the peripheral surface of the cutter frame 6 is provided with a positioning groove II 16 corresponding to the positioning groove I13, one of them stationary half 2's internal surface is equipped with three 17 of constant head tank that correspond with constant head tank one 13 and constant head tank two 16, constant head tank one 13, be equipped with locating plate 12 in constant head tank two 16 and the three 17 of constant head tank, locating plate 12 passes through set screw 11 and two 16 fixed connection of constant head tank, a plurality of water-cooling holes 3 have been seted up along the fore-and-aft direction to the preceding terminal surface of cutter arbor 1, water-cooling hole 3 is along cutter arbor 1's outer wall circumference evenly distributed, be equipped with a plurality of dirty tanks 4 along its circumference on the global of cutter rest 6, dirty tank 4 sets up with a 18.

When in use: the thread chasing tool is installed on power equipment in a matching mode through the installation plate 8 and the installation hole 10, the positioning plate 12 is fixed in the fixing screw 16 through the fixing screw 11, the rear end of the positioning plate 12 extends into the first positioning groove 13, then the PCBN thread chasing tool 5 is inserted into the first insertion groove 18 and the second insertion groove 19, the fixed half rings 2 are clamped outside the cutter bar 1 through the connecting convex rings 14 and the connecting grooves 15, because the structure of the connecting convex rings 14 is the same as that of the outer end face of the PCBN thread chasing tool 5, teeth on the outer end face of the PCBN thread chasing tool 5 are also clamped in the connecting grooves 15, the PCBN thread chasing tool 5 can be prevented from moving axially along the cutter rest 6, meanwhile, the three positioning grooves 17 arranged on the inner surface of one connecting convex ring 14 are clamped on the positioning plate 12, the connecting convex ring 14 is prevented from moving along the circumferential direction of the cutter bar 1, and the two fixed half rings 2 are fastened outside the, can spray cutting fluid to PCBN screw thread chaser 5's work department through water-cooling hole 3, prevent that PCBN screw thread chaser 5 during operation high temperature, waste material when PCBN screw thread chaser 5 cuts can discharge through dirty tank 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PCBN screw thread chaser for oil drill pipe, includes cutter arbor (1), its characterized in that: the rear end face of cutter arbor (1) is equipped with the installation component, the position department of cutter arbor (1) periphery front edge has a plurality of inserting groove two (19) along its circumference evenly distributed, the preceding terminal surface of cutter arbor (1) is connected with knife rest (6), be equipped with inserting groove one (18) that correspond with inserting groove two (19) on the periphery of knife rest (6), it has PCBN screw thread chasing tool (5) to peg graft in inserting groove one (18) and inserting groove two (19), the position department of cutter arbor (1) periphery front edge is equipped with a plurality of and PCBN screw thread chasing tool (5) outer end face structure corresponding connection bulge loop (14) along the axial, be connected with two fixed semi-rings (2) through connecting bulge loop (14) on the periphery of cutter arbor (1), connect through connecting screw (7) between two fixed semi-rings (2).

2. The PCBN thread chaser for oil drill pipe of claim 1, wherein: the installation component comprises a plurality of fixing bases (9) which are arranged on the rear end face of the cutter bar (1) and are uniformly distributed along the circumferential direction of the cutter bar, the rear end face of each fixing base (9) is provided with a mounting plate (8), and a plurality of mounting holes (10) are formed in the mounting plate (8).

3. The PCBN thread chaser for oil drill pipe of claim 1, wherein: the inner surfaces of the two fixed half rings (2) are provided with connecting grooves (15) corresponding to the connecting convex rings (14).

4. The PCBN thread chaser for oil drill pipe of claim 1, wherein: the cutter bar is characterized in that a first positioning groove (13) is formed in the front edge of the circumferential surface of the cutter bar (1), a second positioning groove (16) corresponding to the first positioning groove (13) is formed in the circumferential surface of the cutter frame (6), and a third positioning groove (17) corresponding to the first positioning groove (13) and the second positioning groove (16) is formed in the inner surface of one of the fixed half rings (2).

5. The PCBN thread chaser for oil drill pipe of claim 4, wherein: a positioning plate (12) is arranged in the first positioning groove (13), the second positioning groove (16) and the third positioning groove (17), and the positioning plate (12) is fixedly connected with the second positioning groove (16) through a fixing screw (11).

6. The PCBN thread chaser for oil drill pipe of claim 1, wherein: a plurality of water cooling holes (3) are formed in the front end face of the cutter rod (1) in the front-back direction, and the water cooling holes (3) are evenly distributed along the circumferential direction of the outer wall of the cutter rod (1).

7. The PCBN thread chaser for oil drill pipe of claim 1, wherein: and a plurality of waste material grooves (4) are formed on the circumferential surface of the tool rest (6) along the circumferential direction of the tool rest.

8. The PCBN thread chaser for oil drill pipe of claim 7, wherein: the waste material groove (4) and the first inserting groove (18) are arranged in a staggered mode.