End face deep groove combined tool

Abstract

The utility model relates to the technical field of petroleum and natural gas, and discloses an end face deep groove combined tool which comprises a tool body, an outer circle turning tool rod and a hanger, the tool body comprises a middle tool body, a right tool body and a left tool body, and the outer circle turning tool rod comprises a middle turning tool rod, a right turning tool rod and a left turning tool rod. The middle cutter, the right cutter and the left cutter are respectively provided with an inner arc and an outer arc which are not concentric and are matched with product grooves, 20 grooves are formed in the surface of the middle cutter, the surface of the right cutter and the surface of the left cutter, and eccentric threaded holes are designed. By means of the structural design that the connecting part and the cutting part are integrated and the special material is applied, stable and reliable product machining is achieved, meanwhile, using is convenient and fast, and the machining efficiency is improved. And the product quality and the processing efficiency are improved.

Description

Technical Field

[0001] This utility model relates to the field of oil and gas technology, specifically to a deep groove combination tool for the end face. Background Technology

[0002] Tubing hangers are crucial components in the oil and gas industry, serving as devices that support the tubing string and seal the annular space between the tubing and casing. The sealing method of tubing hangers involves the tubing being seated vertically within a large four-way cone-shaped part of the tubing hanger, thus achieving a seal. This method is convenient for operation, allows for rapid wellhead changes, and is safe, making it a commonly used method in medium-deep and conventional wells. However, the manufacturing of tubing hangers, as a vital component in the oil and gas industry, requires highly sophisticated equipment, cutting tools, and inspection fixtures.

[0003] The traditional machining method for deep grooves in suspension devices is to first rough-cut the grooves with an extended milling cutter in a machining center, then machine the remaining parts with a custom-made grooving cutter on a lathe, and finally finish the grooves with a custom-made grooving cutter. This process involves many steps, requires a lot of equipment, is complex, has an unstable process, and is very inefficient, which is not conducive to mass production and has a significant impact on product processing. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a combined tool for deep grooves on the end face, which solves the problem that the traditional machining method for deep grooves in hangers involves first roughing with an extended milling cutter in a machining center, then machining the remaining parts with a custom-made grooving tool on a lathe, and finally finishing with a custom-made grooving tool. This process involves many steps, requires a lot of equipment, is complex, unstable, and has very low efficiency, which is not conducive to mass production and has a significant impact on product processing.

[0005] This utility model provides the following technical solution: a deep groove combination tool for end faces, comprising a tool body, an outer cylindrical turning tool holder, and a hanger. The tool body includes a middle tool, a right tool, and a left tool. The outer cylindrical turning tool holder includes a middle turning tool holder, a right turning tool holder, and a left turning tool holder. The middle tool, the right tool, and the left tool are all provided with eccentric inner and outer arcs that match the product groove. The surfaces of the middle tool, the right tool, and the left tool are all provided with grooves, and the grooves are designed with eccentric threaded holes. The rear seats of the middle tool, the right tool, and the left tool are fixedly connected with positioning bosses. The middle turning tool holder, the right turning tool holder, and the left turning tool holder are all provided with eccentric threaded grooves that match the middle tool, the right tool, and the left tool.

[0006] Preferred technical solution 1: The middle cutting tool, the right cutting tool, and the left cutting tool are all made of high-strength mold steel P10 material.

[0007] Preferred technical solution 2: The surfaces of the middle cutting tool, the right cutting tool, the left cutting tool, the middle turning tool holder, the right turning tool holder, and the left turning tool holder are all subjected to deburring and blunting treatment.

[0008] Compared with the prior art, this utility model provides a combined cutting tool for deep grooves on the end face, which has the following beneficial effects:

[0009] This end-face deep groove combination tool features an inner and outer arc design on the tool body, along with an added design of eccentric arc surfaces. This design covers grooves with varying diameters as much as possible while ensuring no interference with the sidewalls of the grooves. Due to width limitations, the end-face deep groove tool body has eccentric screw holes in the groove design to prevent the threaded holes from breaking the wall. The rear seat of the end-face deep groove tool body is designed with a precise positioning boss, which can be easily and quickly mounted on existing horizontal lathe turrets. The end-face deep groove tool body is locked onto the turret using threaded holes, increasing rigidity and stability.

[0010] This end-face deep groove combination tool optimizes and reduces processes and equipment usage, ensuring high efficiency and stability in the manufacturing process, thereby guaranteeing product qualification rate. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the cutting tool structure of this utility model;

[0012] Figure 2 This is a schematic diagram of the right-hand cutting tool structure of this utility model;

[0013] Figure 3 This is a schematic diagram of the left cutting tool structure of this utility model;

[0014] Figure 4 This is a schematic diagram of the mechanic tool holder structure of this utility model;

[0015] Figure 5 This is a schematic diagram of the right-hand tool holder structure of this utility model;

[0016] Figure 6 This is a schematic diagram of the left-side tool holder structure of this utility model.

[0017] In the diagram: 1. Middle cutting tool; 2. Right cutting tool; 3. Left cutting tool; 4. Middle turning tool holder; 5. Right turning tool holder; 6. Left turning tool holder. Detailed Implementation

[0018] Please see Figure 1-6 ,

[0019] Example 1: A deep groove combination tool for end faces includes a tool body, an outer turning tool holder, and a hanger 7. The tool body includes a middle tool 1, a right tool 2, and a left tool 3. The outer turning tool holder includes a middle turning tool holder 4, a right turning tool holder 5, and a left turning tool holder 6. The middle tool 1, right tool 2, and left tool 3 are all provided with eccentric inner and outer arcs that match the product groove. The surfaces of the middle tool 1, right tool 2, and left tool 3 are all provided with grooves, and the grooves are designed with eccentric threaded holes. The rear seats of the middle tool 1, right tool 2, and left tool 3 are fixedly connected with positioning bosses. The middle turning tool holder 4, right turning tool holder 5, and left turning tool holder 6 are all provided with eccentric threaded grooves that match the middle tool 1, right tool 2, and left tool 3.

[0020] Example 2: The difference between this example and Example 1 is that the middle cutter 1, the right cutter 2, and the left cutter 3 are all made of high-strength mold steel P10.

[0021] Example 3: The difference between this example and Example 1 is that the surfaces of the center tool 1, right tool 2, left tool 3, center turning tool holder 4, right turning tool holder 5, and left turning tool holder 6 are all treated by deburring and blunting.

[0022] In summary, this deep groove combination tool first secures the center tool 4, right tool 5, and left tool 6 to the center tool 1, right tool 2, and left tool 3 respectively using M8 bolts through the corresponding threaded holes and countersunk holes of the tool body and tool shanks. Then, the assembled combination tool is secured to the machine tool turret through the six countersunk holes of the tool body using M16 bolts. It is quickly positioned by the positioning boss 9 at the bottom of the tool body. Then, inserts are installed on the outer diameter tool shank. According to the programmed procedure, the center combination tool is first used to machine the middle part of the groove width to a depth of 10mm. Then, the right-hand combination tool is used to machine the small diameter of the groove to a depth of 10mm. Then, the left-hand combination tool is used to machine the large diameter of the groove to a depth of 10mm. This process is repeated to machine the entire deep groove until the groove depth meets the drawing requirements. During the deep groove machining process, the machine tool's high-pressure cutting fluid should be turned on and the combination tool should be withdrawn to remove and clean the iron chips.

Claims

1. An end face deep slot combined tool comprising a tool body and an external circular turning tool bar, characterized in that: Said cutter body includes middle cutter (1), right cutter (2) and left cutter (3), the outer circle cutter bar includes middle cutter bar (4), right cutter bar (5) and left cutter bar (6), the middle cutter (1) and the right cutter (2) and the left cutter (3) are all provided with concentric inner and outer circle arcs matched with product groove, the surface of the middle cutter (1) and the right cutter (2) and the left cutter (3) is all provided with groove, and the groove is designed with eccentric threaded hole, the rear seat of the middle cutter (1) and the right cutter (2) and the left cutter (3) is fixedly connected with positioning boss, the middle cutter bar (4) and the right cutter bar (5) and the left cutter bar (6) are all provided with eccentric threaded groove matched with the middle cutter (1) and the right cutter (2) and the left cutter (3).

2. The end mill with deep grooves as set forth in claim 1, wherein: The middle cutter (1), and the right cutter (2) and the left cutter (3) are all made of high-strength die steel P10 material.

3. The end mill with deep grooves as set forth in claim 1, wherein: The surface of the middle cutter (1) and the right cutter (2) and the left cutter (3) and the middle cutter bar (4) and the right cutter bar (5) and the left cutter bar (6) is all treated by removing burrs, sharp change and blunt.

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