Waveguide tube rectangular inner hole planing tool

Abstract

The utility model relates to a waveguide tube rectangular inner hole planing tool which comprises a tool bar and a planing tool blade, the planing tool blade is installed on the tool bar, a tool bit of the planing tool blade comprises a straight tool edge and side face tool edges on the two sides of the straight tool edge, the corners of the straight tool edge and the side face tool edges are tool noses of the tool bit, and the angles of the tool noses are arc angles. The plane cutter blade is perpendicular to the length direction of the cutter bar, and the straight cutter edge, the side cutter edge and the cutter point are located on the outer side of the cutter bar. The planer tool has the advantages that due to the design of the tool noses with the arc angles on the two sides of the planer tool blade, the planer tool blade can be planed into the side edges of the adjacent inner hole faces through the tool noses, planing machining of the corners of the two adjacent inner hole faces is completed, and when planing machining of the next adjacent inner hole face is carried out, the planer tool blade is convenient to use. The point of the planer tool blade slightly avoids the planed corner part, so that the corner part of the inner hole is prevented from being damaged, the inner hole surface and the corner part can be easily connected, and the perpendicularity and the smoothness of the corner part of the inner hole of the waveguide tube are ensured to reach the standard.

Description

TECHNICAL FIELD

[0001] The utility model relates to waveguide pipe processing technical field especially a waveguide pipe rectangular hole planing tool. BACKGROUND

[0002] Waveguide pipe is a kind of hollow, inner wall very smooth metal pipe, is indispensable component in electromagnetic wave transmission in information communication field.Waveguide pipe requires that inside is as smooth as possible to reduce the transmission loss of electromagnetic wave as far as possible.

[0003] Chinese patent document 2018101673007 discloses a magnesium-lithium alloy waveguide pipe and a manufacturing method thereof, the waveguide pipe is obtained by extrusion molding to obtain a waveguide pipe blank, since the magnesium-lithium alloy is relatively soft, vertical lines or traces will appear during extrusion, resulting in poor surface roughness, and the r angle of the waveguide pipe is small, and the extrusion molding is difficult.

[0004] The applicant's Chinese patent application CN119057123A discloses a waveguide pipe rectangular hole planing tool and a waveguide pipe rectangular hole planing machining equipment, which can simultaneously plane the two opposite inner hole surfaces of the waveguide pipe through the double-sided planer, so as to achieve the required smoothness and high processing efficiency; The double-sided planer can be continuously fed and pushed out, and does not need to be frequently replaced, so that the inner holes of waveguide pipes of different sizes can be planed.

[0005] In the prior art, the planer is planed by the flat cutting edge on the front face of the cutter head, and the left and right sides of the flat cutting edge protrude from the side surfaces of the planer, which is only designed to make room, so the inclination angle of the side surface is relatively small.

[0006] When the inner hole surface of the waveguide pipe is planed by such a planer, the planer can only plane the visible range of the inner hole surface, and after one inner hole surface is machined, the planing of the adjacent inner hole surface is carried out, because mechanical error always exists, the end of the flat cutting edge of the planer is difficult to match the completed inner hole surface, and a step is easily formed, which makes it difficult to meet the perpendicularity and smoothness of the corner of the inner hole of the waveguide pipe, and the scrap rate is high. UTILITY MODEL CONTENTS

[0007] The utility model solves the technical problem that a waveguide pipe rectangular hole planing tool is provided to reduce the machining difficulty of the corner of the waveguide pipe inner hole.

[0008] The utility model discloses a technology scheme that solves its technical problem is: a waveguide pipe rectangular inner hole planing tool, including the cutter bar and planer blade, planer blade installs on the cutter bar, and the cutter head of planer blade includes straight blade edge and the side blade edge of straight blade edge both sides, and the corner of straight blade edge and side blade edge is the cutter tip of cutter head, and the angle of cutter tip is the arc angle, and the length direction of planer blade and cutter bar is perpendicular, and straight blade edge, side blade edge and cutter tip are located the outside of cutter bar.

[0009] In some embodiments, the included angle of the straight blade edge and the side blade edge is 50-65 degrees.

[0010] In some embodiments, the planer blade is triangular.

[0011] In some embodiments, the rear end of the cutter bar has a shank for clamping.

[0012] In some embodiments, the planer blade is fixed to the front end of the cutter bar.

[0013] The utility model discloses the beneficial effect is: through the design of the cutter tip of arc angle of planer blade both sides, when planer blade is in the planing processing of inner hole face, can enter the side of another inner hole face adjacent to the inner hole face of current to be processed through the cutter tip planing, completes the planing processing of the corner of two adjacent inner hole faces, when planing processing of next adjacent inner hole face, the design of the angle of cutter tip is arc angle, and the cutter tip of planer blade slightly avoids the corner of the planing processing of having completed and can easily realize the junction of inner hole face and corner while avoiding damaging the corner of inner hole, guarantees the perpendicularity and the finish of the corner of the inner hole of waveguide pipe. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model is further explained below in connection with the drawings and examples;

[0015] Figure 1 It is the perspective view structure schematic drawing of waveguide pipe rectangular inner hole planing tool of the embodiment 1 of the utility model;

[0016] Figure 2 It is the front view perspective view structure schematic drawing of waveguide pipe rectangular inner hole planing tool of the embodiment 1 of the utility model;

[0017] Figure 3 It is the perspective view structure schematic drawing of waveguide pipe rectangular inner hole planing tool insertion waveguide pipe and carries out planing processing of the embodiment 1 of the utility model;

[0018] Figure 4 It is Figure 3 The structure schematic drawing of another view of

[0019] Figure 5This is a schematic diagram of the planing process in step C of embodiment 1 of this utility model, in which the tip of the planer blade is planed into the side of the adjacent inner hole surface.

[0020] Figure 6 This is a schematic diagram of the inner hole surface after the first planing in step C of embodiment 1 of this utility model;

[0021] Figure 7 This is a schematic diagram of the structure of the first inner hole surface after planing in step F of Embodiment 1 of this utility model;

[0022] Figure 8 This is a schematic diagram of step G of embodiment 1 of this utility model, in which the tip of the planer blade avoids the corner during planing.

[0023] Figure 9 for Figure 8 Enlarged view of point A;

[0024] Figure 10 This is a schematic diagram of the waveguide rectangular inner hole planing tool according to Embodiment 2 of this utility model;

[0025] In the diagram, 1. Tool holder, 2. Planer blade, 2-1. Straight cutting edge, 2-2. Side cutting edge, 2-3. Tool tip, 3. Waveguide, 4. Tool shank. Detailed Implementation

[0026] Example 1, as Figures 1-4 As shown, a waveguide rectangular inner hole planing tool includes a tool holder 1 and a planing blade 2. The planing blade 2 is mounted on the tool holder 1. The cutting head of the planing blade 2 includes a straight cutting edge 2-1 and side cutting edges 2-2 on both sides of the straight cutting edge 2-1. The corners of the straight cutting edge 2-1 and the side cutting edges 2-2 form the cutting tip 2-3, and the corner of the cutting tip 2-3 is a rounded angle. The planing blade 2 is perpendicular to the length direction of the tool holder 1. The straight cutting edge 2-1, the side cutting edges 2-2, and the cutting tip 2-3 are located on the outside of the tool holder 1. The rounded angle is tangent to the straight cutting edge 2-1 and the side cutting edges 2-2.

[0027] The angle between the straight cutting edge 2-1 and the side cutting edge 2-2 is 50 to 65 degrees, preferably 60 degrees. Figures 1-3 As shown.

[0028] The planer blade 2 is triangular.

[0029] The rear end of the tool holder 1 has a tool shank 4 for clamping.

[0030] The planer blade 2 is fixed to the front end of the tool holder 1 by welding or other conventional methods.

[0031] A planing method of a rectangular inner hole of a waveguide, comprising the following steps:

[0032] comprising the following steps:

[0033] A, clamping the waveguide 3 and the waveguide rectangular inner hole planing tool, making the length direction of the waveguide 3 parallel to the length direction of the waveguide rectangular inner hole planing tool, and making the current inner hole surface to be machined of the waveguide 3 in the machining position, and the flat cutting edge 2-1 of the planer blade 2 parallel to the current inner hole surface to be machined;

[0034] B, moving the waveguide rectangular inner hole planing tool to the initial position;

[0035] C, as shown in Figure 3 and 4 , taking the length direction of the waveguide 3 as the X direction, the width direction of the waveguide 3 as the Z direction, and the height direction of the waveguide 3 as the Y direction, the width direction of the waveguide 3 is the width direction of the current inner hole surface to be machined, the waveguide rectangular inner hole planing tool moves forward along the X direction from one side of the Z direction of the current inner hole surface to be machined, so that the planer blade 2 is inserted from one end of the waveguide 3 and then comes out from the other end of the waveguide 3, to perform the first planing, taking the starting side of the Z direction as the left side, and taking the end inserted by the planer blade 2 as the rear end of the waveguide 3, and taking the end coming out of the planer blade 2 as the front end of the waveguide 3, in this planing, the left side of the planer blade 2 is planed into the side edge of the adjacent inner hole surface on the left side of the current inner hole surface to be machined, the planing depth is the same as the predetermined planing depth of the adjacent inner hole surface, and the planing of the corner part of the current inner hole surface to be machined and the adjacent inner hole surface is completed, as shown in Figure 5 and 6 ;

[0036] D, moving the waveguide rectangular inner hole planing tool backward: moving the waveguide rectangular inner hole planing tool downward along the Y direction to make the planer blade 2 disengage, and then moving the waveguide rectangular inner hole planing tool backward along the X direction to make the waveguide rectangular inner hole planing tool pull out the inner hole of the waveguide 3, and the planer blade 2 comes out from the rear end of the waveguide 3;

[0037] E, moving the waveguide rectangular inner hole planing tool upward along the Y direction to reset the planer blade 2 to the machining position, and at the same time, or before or after, moving the waveguide rectangular inner hole planing tool rightward along the Z direction, and then moving the waveguide rectangular inner hole planing tool forward along the X direction to make the planer blade 2 inserted from the rear end of the waveguide 3 and then come out from the front end of the waveguide 3, to complete the second planing, and the area of the second planing overlaps with the area of the first planing;

[0038] F, as shown in Figure 7As shown, repeat step D and step E until the planer blade 2 moves to the right along the Z direction to the rightmost side of the current inner hole surface to be machined, and then perform the last planing, the current inner hole surface to be machined is completed by planing from left to right, and at this time of planing, the right side of the planer blade 2 The tip 2-3 cuts into the side of the adjacent inner hole surface on the right side of the current inner hole surface to be machined, and the cutting depth is the same as the predetermined planing depth of the adjacent inner hole surface, and the planing of the corner part of the current inner hole surface to be machined and the adjacent inner hole surface is completed.

[0039] G, rotate the waveguide tube 3, rotate another inner hole surface of the inner hole of the waveguide tube 3 to the machining position, and then repeat steps B-F to complete the planing of another inner hole surface of the inner hole of the waveguide tube 3. In this step, if the corner of the current inner hole surface to be machined has been machined by the tip 2-3 of the planer blade 2 in the previous machining step, the tip 2-3 of the planer blade 2 avoids the corner that has been machined when machining the current inner hole surface to be machined, as shown in Figure 8 and 9

[0040] H, repeat step G until all inner hole surfaces are completed.

[0041] In this embodiment 1, a special machine for clamping the waveguide rectangular inner hole planing tool and the waveguide tube 3 can be used, and the planing machining method according to this embodiment 1 can be used for planing machining. The conventional multi-axis numerical control machine tool can also be used, and then through the spindle chuck and the matching clamping mechanism of the waveguide tube 3, the waveguide rectangular inner hole planing tool and the waveguide tube 3 are clamped respectively, and the planing machining method according to this embodiment 1 is used for planing machining.

[0042] In this embodiment 1, the waveguide tube 3 is rotated by the indexing function of the special machine or the conventional multi-axis numerical control machine tool to rotate another inner hole surface of the inner hole of the waveguide tube 3 to the machining position.

[0043] Embodiment 2 is basically the same as embodiment 1, and the difference between embodiment 1 and embodiment 2 is that the planer blade 2 is trapezoidal, as shown in Figure 10 .

[0044] Embodiment 3 is basically the same as embodiment 1, and the difference between embodiment 1 and embodiment 3 is that the rear end of the tool bar 1 does not have a tool handle 4 for clamping, but a matching sleeve is sleeved on the rear end of the tool bar 1, and the tool bar 1 is clamped by the sleeve.​

Claims

1. A planing tool for the rectangular inner hole of a waveguide, characterized in that: The tool includes a tool holder (1) and a planer blade (2). The planer blade (2) is mounted on the tool holder (1). The head of the planer blade (2) includes a straight cutting edge (2-1) and side cutting edges (2-2) on both sides of the straight cutting edge (2-1). The corners of the straight cutting edge (2-1) and the side cutting edges (2-2) are the tips (2-3) of the head. The corners of the tips (2-3) are rounded. The planer blade (2) is perpendicular to the length direction of the tool holder (1). The straight cutting edge (2-1), the side cutting edges (2-2) and the tips (2-3) are located on the outside of the tool holder (1).

2. The waveguide rectangular inner hole planing tool according to claim 1, characterized in that: The included angle between the straight cutting edge (2-1) and the side cutting edge (2-2) is 50 to 65 degrees.

3. The waveguide rectangular inner hole planing tool according to claim 1, characterized in that: The planer blade (2) is triangular.

4. The waveguide rectangular inner hole planing tool according to claim 1, characterized in that: The rear end of the tool holder (1) has a tool shank (4) for clamping.

5. The waveguide rectangular inner hole planing tool according to claim 1, characterized in that: The planer blade (2) is fixed to the front end of the tool holder (1).

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