Reverse milling plane cutter for numerical control machine tool

Abstract

The utility model relates to the technical field of cutters, in particular to a reverse milling plane cutter for a numerical control machine tool, which comprises a cutter handle, a cutter body with a T-shaped section is integrally welded at the bottom of the cutter handle, the cutter body comprises a transition rod and a cutter plate which are coaxial, and a cutting part is arranged at the top end of the cutter plate. A plurality of cutting edges for cutting a plane are uniformly distributed on the cutting part along the circumference; the height of the transition rod is larger than the length of the workpiece. The cutter body is T-shaped and the cutting edge is arranged at the top end of the cutter plate, so that the cutter can integrally cut into the bottom of a workpiece for plane machining, production time is saved, and production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting tools, in particular to a reverse milling plane cutting tool for a numerically controlled machine tool. Background Art

[0002] like Figure 1 The existing workpiece shown is made of aluminum. The workpiece is reamed by a CNC machine, but its bottom plane needs to be fine-machined. Usually, the workpiece is clamped in a different direction, and the worker operates the CNC machine to re-align the origin and perform CNC programming, and then uses a traditional milling cutter to perform positive plane machining, which prolongs the production time and increases the production cost.

[0003] Therefore, it is urgent to design a tool that can process the bottom plane of the workpiece without changing the workpiece clamping state. Utility Model Content

[0004] The purpose of the utility model is to overcome the defects and shortcomings in the prior art. To this end, the utility model provides a reverse milling plane tool for a CNC machine tool, which can process the bottom plane of the workpiece in the original clamping state of the workpiece, saving production time and reducing production costs.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a reverse milling plane tool for a CNC machine tool, including a tool handle, a tool body with a T-shaped cross-section is integrally welded to the bottom of the tool handle, the tool body includes a coaxial transition rod and a tool plate, the top of the tool plate is provided with a cutting portion, and the cutting portion is evenly distributed along the circumference with a plurality of blades for cutting the plane; the height of the transition rod is greater than the length of the workpiece.

[0006] Furthermore, a transitional conical portion is provided between the transition rod and the tool handle, and the diameter of the tool handle is greater than the diameter of the transition rod.

[0007] Furthermore, the outer circle of the blade is provided with a chamfer inclined downward toward the axis.

[0008] Furthermore, the chamfer is 45°.

[0009] Furthermore, the diameter of the shank is 6 mm.

[0010] Furthermore, the diameter of the transition rod is 3 mm.

[0011] Furthermore, the length of the transition rod is 12.5 mm.

[0012] Furthermore, the thickness of the blade is 1.1 mm.

[0013] Furthermore, the number of the blades is three.

[0014] Compared with the prior art, the beneficial effects of the utility model are: by setting the cutter body into a T shape and arranging a blade on the top of the cutter plate, it is convenient to cut into the bottom of the workpiece as a whole for plane processing, there is no need to flip the workpiece and re-find the origin for programming, and a complete set of processing programming can be used in the CNC machine tool to perform drilling and bottom plane processing of the workpiece, thereby reducing production time and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the existing workpiece.

[0016] Figure 2 It is a structural schematic diagram of the utility model.

[0017] Figure 3 It is a cutting schematic diagram of the utility model.

[0018] Among them: 1. tool handle; 2. tool body; 21. transition rod; 22. tool plate; 23. cutting part. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0021] Example

[0022] See also Figure 2 and Figure 3 The utility model provides a reverse milling plane tool for a CNC machine tool, comprising a tool handle 1, a tool body 2 with a T-shaped cross section is integrally welded to the bottom of the tool handle 1, the tool body 2 comprises a coaxial transition rod 21 and a knife plate 22, a cutting portion 23 is provided at the top of the knife plate 22, and a plurality of blades for cutting a plane are evenly distributed along the circumference of the cutting portion 23; the height of the transition rod 21 is greater than the length of the workpiece.

[0023] The number of blades here is preferably three

[0024] At the same time, a transitional tapered portion may be provided between the transition rod 21 and the tool handle 1. Accordingly, the diameter of the tool handle 1 is larger than the diameter of the transition rod 21 to avoid damage to the workpiece.

[0025] The outer circle of the blade 22 here can be provided with a chamfer inclined downward toward the axis to facilitate the plane cutting of the blade.

[0026] like Figure 1 As shown, the length of the workpiece is 11.9 mm. In the present invention, the diameter of the tool handle 1 is 6 mm, the diameter of the transition rod 21 is 3 mm, the length of the transition rod 21 is 12.5 mm, the thickness of the blade 22 is 1.1 mm, and the chamfer is 45° to meet the bottom processing of the workpiece.

[0027] Before use, the tool handle 1 is clamped on the CNC machine tool and switched with the reamer on the CNC machine tool. Figure 3 As shown, the blade 22 extends into the bottom of the workpiece, and the plane is processed by the cutting portion at the top of the blade 22, so as to achieve the purpose of backwashing the plane. In this way, there is no need to flip the workpiece, find the origin and reprogram, and the reaming and bottom plane processing can be completed in the same state of the workpiece, reducing production time and production costs.

[0028] The utility model can be summarized in other specific forms that do not violate the spirit or main features of the utility model. Therefore, no matter from which point of view, the above embodiments of the utility model can only be regarded as an explanation of the utility model and cannot limit the utility model. The claims indicate the scope of the utility model, while the above description does not indicate the scope of the utility model. Therefore, any changes within the meaning and scope equivalent to the claims of the utility model should be considered to be included in the scope of the claims of the utility model.

Claims

1. A reverse milling plane tool for a numerically controlled machine tool, comprising a tool handle (1), characterized in that: A knife body (2) with a T-shaped cross section is integrally welded to the bottom of the knife handle (1); the knife body (2) comprises a coaxial transition rod (21) and a knife plate (22); a cutting portion (23) is provided at the top end of the knife plate (22); and a plurality of blades for cutting a plane are evenly distributed along the circumference of the cutting portion (23); the height of the transition rod (21) is greater than the length of a workpiece.

2. The reverse milling plane tool for CNC machine tools according to claim 1, characterized in that: A transition conical portion is provided between the transition rod (21) and the knife handle (1), and the diameter of the knife handle (1) is greater than the diameter of the transition rod (21).

3. The reverse milling plane tool for a CNC machine tool according to claim 2, characterized in that: The outer circle of the knife plate (22) is provided with a chamfer inclined downward toward the axis.

4. The reverse milling plane tool for a CNC machine tool according to claim 3, characterized in that: The chamfer angle is 45°.

5. The reverse milling plane tool for CNC machine tools according to claim 3, characterized in that: The diameter of the knife handle (1) is 6 mm.

6. The reverse milling plane tool for a CNC machine tool according to claim 5, characterized in that: The diameter of the transition rod (21) is 3 mm.

7. The reverse milling plane tool for a CNC machine tool according to claim 6, characterized in that: The length of the transition rod (21) is 12.5 mm.

8. The reverse milling plane tool for a CNC machine tool according to claim 7, characterized in that: The thickness of the blade plate (22) is 1.1 mm.

9. The reverse milling plane tool for a CNC machine tool according to claim 1, characterized in that: The number of the blades is three.

Images