Efficient drilling, milling, roughing and finishing multifunctional integrated cutter

Abstract

The utility model discloses an efficient drilling, milling, roughing and finishing multifunctional integrated cutter which comprises a front drill tip, a roughing milling contour and a lower chamfer, a finishing milling contour and an upper chamfer and a cutter handle, the front drill tip is arranged at one end of the cutter handle, and the roughing milling contour and the lower chamfer and the finishing milling contour and the upper chamfer are arranged on the side close to the front drill tip; according to the utility model, the front drill tip, the rough milling outline and the lower chamfer as well as the finish milling outline and the upper chamfer are integrated on one cutter, the front drill tip is aligned to a pipe sleeve to be drilled during machining, directly drills to the depth of the rough milling outline and the lower chamfer, drills downwards to the depth of the finish milling outline and the upper chamfer after reaching the tail end along a U-shaped groove machining track, and then drills downwards to the depth of the finish milling outline and the upper chamfer; and returning to the front end along the U-shaped groove machining path, withdrawing the cutter, and completing the machining of the U-shaped groove and the upper and lower chamfers through a one-time machining path. Compared with the prior art that multiple tools are replaced for machining, the machining time is greatly shortened, the manufacturing cost is saved, meanwhile, repeated clamping errors are reduced, size accuracy is guaranteed through one-time forming, time is shortened, and efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a high-efficiency drilling and milling roughing and finishing multifunctional integrated cutter. Background Art

[0002] When processing workpieces, drilling and milling are required, and drilling and milling are divided into rough drilling and milling and fine drilling and milling. The existing technology requires the use of different tools for rough drilling and milling and fine drilling and milling, which increases the cost of the tool and also increases the processing time when replacing the tool. Therefore, this application optimizes the tools required for drilling and milling into one tool, which can reduce processing time and tool costs. Utility Model Content

[0003] The purpose of the utility model is to provide a high-efficiency drilling and milling roughing and finishing multifunctional integrated tool to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-efficiency drilling and milling roughing and finishing multifunctional integrated tool, comprising: a front drill tip, a rough milling profile and a lower chamfer, a fine milling profile and an upper chamfer, and a tool handle, wherein a front drill tip is provided at one end of the tool handle, and a rough milling profile and a lower chamfer and a fine milling profile and an upper chamfer are provided on the side close to the front drill tip.

[0005] Wherein, the front drill tip includes: a drill tip angle, a first drill tip back angle and a second drill tip back angle;

[0006] The front drill tip is provided with a drill tip angle at the front end, and a first drill tip back angle and a second drill tip back angle are provided along the direction of the drill tip cutting edge.

[0007] Wherein, the rough milling profile and lower chamfer include: a first lower chamfer clearance angle, a second lower chamfer clearance angle, a first rough milling profile clearance angle and a second rough milling profile clearance angle;

[0008] Among them, a lower chamfer is opened at the outer circle position where the rough milling contour and the lower chamfer are connected to the front drill tip, and a first lower chamfer back angle and a second lower chamfer back angle are provided along the cutting edge direction of the lower chamfer; a rough milling contour is provided at the position connecting the lower chamfer, and a first rough milling contour back angle and a second rough milling contour back angle are provided along the cutting edge direction of the rough milling contour.

[0009] Wherein, the fine milling profile and upper chamfer include: a first upper chamfer clearance angle, a second upper chamfer clearance angle, a fine milling profile wiper, a first fine milling profile clearance angle and a second fine milling profile clearance angle;

[0010] Among them, an upper chamfer is provided at the position where the fine milling contour and the upper chamfer are connected to the tool handle, and a first upper chamfer back angle and a second upper chamfer back angle are provided along the cutting edge direction of the upper chamfer; a fine milling contour is provided at the position connecting the upper chamfer, and a fine milling contour finishing edge, a first fine milling contour back angle and a second fine milling contour back angle are provided along the cutting edge direction of the fine milling contour.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model integrates the front drill tip, rough milling contour and lower chamfer, and fine milling contour and upper chamfer on one tool. During processing, the front drill tip is aligned with the pipe sleeve to be drilled, and drills directly to the required rough milling contour and lower chamfer depth, and after following the U-groove processing trajectory to the end, drills down to the required fine milling contour and upper chamfer depth, returns to the front end along the U-groove processing trajectory, and withdraws the tool. The U-groove and upper and lower chamfer processing can be completed in one processing path. Compared with the previous multiple tool replacement processing, the processing time is greatly shortened, the manufacturing cost is saved, and the repeated clamping error is reduced at the same time. One-time molding ensures dimensional accuracy, shortens time, and effectively improves efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall axonometric structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the enlarged structure of the end portion of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the contoured blade of the utility model;

[0016] Figure 4 This is a schematic diagram of the main left view of the utility model;

[0017] Figure 5 This is a schematic diagram of the end axonometric structure of the utility model.

[0018] In the figure: 1. front drill tip; 101. drill tip angle; 102. first drill tip clearance angle; 103. second drill tip clearance angle; 2. rough milling contour and lower chamfer; 201. first lower chamfer clearance angle; 202. second lower chamfer clearance angle; 203. first rough milling contour clearance angle; 204. second rough milling contour clearance angle; 3. fine milling contour and upper chamfer; 301. first upper chamfer clearance angle; 302. second upper chamfer clearance angle; 303. fine milling contour wiper; 304. first fine milling contour clearance angle; 305. second fine milling contour clearance angle; 4. tool holder. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] See also Figure 1-5The utility model provides a technical solution: a high-efficiency drilling and milling roughing and finishing multifunctional integrated tool, comprising: a front drill tip 1, a rough milling contour and lower chamfer 2, a fine milling contour and upper chamfer 3 and a tool handle 4, wherein the front drill tip 1 is arranged at one end of the tool handle 4, and a rough milling contour and lower chamfer 2 and a fine milling contour and upper chamfer 3 are arranged on the side close to the front drill tip 1.

[0021] Among them, the front drill tip 1 includes: a drill tip angle 101, a first drill tip back angle 102 and a second drill tip back angle 103; the front drill tip 1 is provided with a drill tip angle 101 at the front end, and the first drill tip back angle 102 and the second drill tip back angle 103 are provided along the drill tip cutting edge direction; the first drill tip back angle 102 and the second drill tip back angle 103 are provided on the front drill tip 1 along the drill tip cutting edge direction, which is conducive to precise centering on the arc surface, ensuring that the tool will not deflect during processing, and ensuring the position accuracy of the processed hole.

[0022] The rough milling profile and lower chamfer 2 include: a first lower chamfer clearance angle 201, a second lower chamfer clearance angle 202, a first rough milling profile clearance angle 203, and a second rough milling profile clearance angle 204;

[0023] Among them, a lower chamfer is opened at the outer circle position where the rough milling contour and the lower chamfer 2 are connected to the front drill tip 1, and a first lower chamfer back angle 201 and a second lower chamfer back angle 202 are provided along the cutting edge direction of the lower chamfer; a rough milling contour is provided at the position connecting the lower chamfer, and a first rough milling contour back angle 203 and a second rough milling contour back angle 204 are provided along the cutting edge direction of the rough milling contour; during processing, the front drill tip 1 is aligned with the pipe sleeve to be drilled, and drills directly through to the depth of the rough milling contour and the lower chamfer 2 required, and processes along the U-groove processing trajectory. Compared with the previous milling cutter with an increased lower chamfer, it can rough mill the U-groove and do the lower chamfer at the same time, which greatly shortens the processing time and improves the processing efficiency.

[0024] The fine milling contour and upper chamfer 3 include: a first upper chamfer clearance angle 301, a second upper chamfer clearance angle 302, a fine milling contour wiper edge 303, a first fine milling contour clearance angle 304, and a second fine milling contour clearance angle 305;

[0025] Among them, an upper chamfer is provided at the position where the fine milling contour and upper chamfer 3 are connected to the tool handle 4, and a first upper chamfer back angle 301 and a second upper chamfer back angle 302 are provided along the cutting edge direction of the upper chamfer; a fine milling contour is provided at the position connected to the upper chamfer, and a fine milling contour finishing edge 303, a first fine milling contour back angle 304 and a second fine milling contour back angle 305 are provided along the cutting edge direction of the fine milling contour. During processing, the front drill tip 1 is aligned with the pipe sleeve to be drilled, and drills directly through to the depth of the rough milling contour and the lower chamfer 2. After the U-groove processing trajectory reaches the end, the lower Drill to the required fine milling contour and upper chamfer 3 depths, return to the front end along the U-groove processing trajectory, exit the tool, and complete the U-groove and upper and lower chamfers in one processing path; compared with the previous multiple tool replacement processing, it greatly shortens the processing time and saves manufacturing costs, while reducing repeated clamping errors, one-time molding to ensure dimensional accuracy, shorten time, and effectively improve efficiency. Without changing the tool, the U-groove side wall can be ensured to be high-smooth, free of knife marks, and high-precision requirements, while saving the tool cost of the previous chamfering tool and shortening the processing time.

[0026] Working principle: During processing, the front drill tip 1 is aligned with the pipe sleeve to be drilled, and drills directly to the required rough milling contour and lower chamfer 2 depth. After following the U-groove processing trajectory to the end, drill down to the required fine milling contour and upper chamfer 3 depth, and return to the front end along the U-groove processing trajectory. The tool is withdrawn, and the U-groove and upper and lower chamfers can be processed in one processing path. Compared with the previous multiple tool replacement processing, it greatly shortens the processing time, saves manufacturing costs, and reduces repeated clamping errors. One-time molding ensures dimensional accuracy, shortens time, and effectively improves efficiency.

[0027] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

Claims

1. High-efficiency drilling and milling roughing and finishing multifunctional integrated tool, characterized by: include: A front drill tip (1), a rough milling profile and a lower chamfer (2), a fine milling profile and an upper chamfer (3), and a tool holder (4); one end of the tool holder (4) is provided with the front drill tip (1), and a side close to the front drill tip (1) is provided with the rough milling profile and a lower chamfer (2) and the fine milling profile and an upper chamfer (3).

2. The high-efficiency drilling and milling roughing and finishing multifunctional integrated tool according to claim 1 is characterized in that: The front drill tip (1) comprises: a drill tip angle (101), a first drill tip back angle (102) and a second drill tip back angle (103); The front drill tip (1) is provided with a drill tip angle (101) at the front end, and a first drill tip back angle (102) and a second drill tip back angle (103) are provided along the direction of the drill tip cutting edge.

3. The high-efficiency drilling and milling roughing and finishing multifunctional integrated tool according to claim 1 is characterized in that: The rough milling profile and lower chamfer (2) comprises: a first lower chamfer back angle (201), a second lower chamfer back angle (202), a first rough milling profile back angle (203) and a second rough milling profile back angle (204); The rough milling profile and the lower chamfer (2) are connected to the outer circle position of the front drill tip (1) to form a lower chamfer, and a first lower chamfer back angle (201) and a second lower chamfer back angle (202) are provided along the cutting edge direction of the lower chamfer; a rough milling profile is provided at the position connecting the lower chamfer, and a first rough milling profile back angle (203) and a second rough milling profile back angle (204) are provided along the cutting edge direction of the rough milling profile.

4. The high-efficiency drilling and milling roughing and finishing multifunctional integrated tool according to claim 1, characterized in that: The fine milling profile and upper chamfer (3) comprises: a first upper chamfer back angle (301), a second upper chamfer back angle (302), a fine milling profile wiping edge (303), a first fine milling profile back angle (304) and a second fine milling profile back angle (305); The position where the fine milling profile and the upper chamfer (3) are connected to the tool handle (4) is provided with an upper chamfer, and a first upper chamfer back angle (301) and a second upper chamfer back angle (302) are provided along the cutting edge direction of the upper chamfer; a fine milling profile is provided at the position connected to the upper chamfer, and a fine milling profile finishing edge (303), a first fine milling profile back angle (304) and a second fine milling profile back angle (305) are provided along the cutting edge direction of the fine milling profile.

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