Cutter for numerical control machine tool

Abstract

The utility model discloses a cutter for a numerical control machine tool, which is characterized in that the side surface and the lower surface of a cutter holder are respectively provided with a limiting groove, a limiting plate is fixedly connected inside the limiting groove, one end of the limiting plate far away from the cutter holder is fixedly connected with a blade, the lower surface of the limiting plate is in threaded connection with a fastening bolt, and the upper surface of the cutter holder is provided with a mounting hole. A rotating rod is fixedly connected to the interior of the mounting hole, a locking hole is formed in the side surface of the tool apron, and a locking bolt is connected to the interior of the locking hole in a threaded mode, and through the devices, it is guaranteed that the blade is always kept at the correct position and angle in the machining process, and the blade is prevented from shifting or loosening in the machining process; and the machining precision and the workpiece quality can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tool cutters, in particular to a cutter for a numerically controlled machine tool. Background Art

[0002] A tool for a CNC machine tool, that is, a CNC tool, is a machine tool tool used to process various materials. Its main function is to control and execute the work program through a computer numerical control system. However, the existing tool may affect the processing quality due to the loosening of the blade fixing position. For example, a Chinese patent discloses "an adjustable milling cutter for a CNC machine tool", and its application number is: "202020152589.8". When the blade seat is fixed, the cone nut on the threaded rod is tightened by screwing the cone nut so that the cone nut can press the clamping support when it is screwed down, so that it presses the blade seat, thereby fixing the blade seat and the cutter head. However, the cone nut on the threaded rod of the tool is tightened. Once it becomes loose, it may affect the change of the position of the cutter head, thereby causing quality problems in the workpiece. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a tool for a CNC machine tool. By installing a plurality of blades through a limit groove below a tool holder, the cutting force can be distributed, the burden of a single blade can be reduced, the wear rate can be reduced, and the vibration and instability during the cutting process can be reduced. Furthermore, by arranging a limit groove inside the tool holder and using a limit plate to install the blade inside the limit groove and then tightening it with a fastening screw, it can be ensured that the blade always maintains the correct position and angle during the processing, and the blade can be prevented from shifting or loosening during the processing, which is beneficial to improving the processing accuracy and workpiece quality.

[0004] The utility model also provides a tool for a CNC machine tool as mentioned above, comprising: a tool holder, the side surface and the lower surface of the tool holder are both provided with limiting grooves, the limiting groove is internally fixedly connected to a limiting plate, a blade is fixedly connected to an end of the limiting plate away from the tool holder, a fixing bolt is threadedly connected to the lower surface of the limiting plate, a mounting hole is provided on the upper surface of the tool holder, a rotating rod is fixedly connected to the inside of the mounting hole, a locking hole is provided on the side surface of the tool holder, and a locking bolt is threadedly connected to the inside of the locking hole. Through the above device, it is ensured that the blade always maintains the correct position and angle during the processing, and the blade is prevented from shifting or loosening during the processing, which is beneficial to improving the processing accuracy and workpiece quality.

[0005] According to the tool for a CNC machine tool described in the utility model, the fastening bolt passes through the limit plate and extends to the inside of the tool holder. The above device is helpful to fix the limit plate and thus ensure the fixation of the blade.

[0006] According to the tool for a numerically controlled machine tool described in the utility model, the blade covers the limiting groove, and the blade is located on the side of the tool holder. The above device is beneficial to facilitate processing work.

[0007] According to the tool for a CNC machine tool described in the utility model, the side surface of the rotating rod is provided with a protrusion, and the inner wall of the mounting hole is provided with a groove. The above device is helpful to ensure that the rotating rod drives the tool holder.

[0008] According to the tool for a CNC machine tool described in the utility model, the locking hole is located at the upper end of the tool seat, and the locking hole is connected with the mounting hole. Through the above device, it is beneficial to fix the rotating rod with a locking bolt.

[0009] According to the tool for a CNC machine tool described in the utility model, the locking bolt passes through the locking hole and extends to the inside of the rotating rod. The above device is helpful to ensure that the connection between the rotating rod and the tool holder is stable.

[0010] According to the tool for a numerically controlled machine tool described in the utility model, the protrusion is located inside the groove, and the groove and the locking hole are arranged alternately. The above device is helpful to ensure the accurate positioning of the locking bolt.

[0011] According to the tool for a CNC machine tool described in the utility model, the upper end of the rotating rod extends to the outside of the tool holder, and the rotating rod is located above the tool holder. The above device is beneficial to facilitate the operation of the tool as a whole.

[0012] Beneficial Effects

[0013] 1. Compared with the prior art, the tool for CNC machine tools can ensure that the blade always maintains the correct position and angle during the processing by setting a limit groove inside the tool holder, using a limit plate to install the blade inside the limit groove, and then tightening it with a fastening screw, thereby avoiding displacement or loosening of the blade during the processing, which is beneficial to improving the processing accuracy and workpiece quality.

[0014] 2. Compared with the prior art, the tool for CNC machine tools can distribute the cutting force, reduce the burden of a single blade, reduce the wear rate, and reduce vibration and instability during the cutting process by installing multiple blades through a limit groove under the tool holder, which is beneficial to improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 It is a three-dimensional structural diagram of a tool for a CNC machine tool of the utility model;

[0017] Figure 2This is the internal structure diagram of the tool for CNC machine tools of the utility model;

[0018] Figure 3 This is a cross-sectional structural diagram of a tool for a CNC machine tool of the utility model;

[0019] Figure 4 The utility model is a tool for CNC machine tools Figure 2 Enlarged view of point B in the middle.

[0020] Legend:

[0021] 1. Knife holder; 2. Blade; 3. Fastening bolt; 4. Limiting groove; 5. Rotating rod; 6. Mounting hole; 7. Limiting plate; 8. Locking bolt; 9. Groove; 10. Protrusion; 11. Locking hole. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment of a tool for a CNC machine tool includes: a tool holder 1 for supporting and fixing a blade 2 and other related components. The side surface and the lower surface of the tool holder 1 are both provided with a limiting groove 4 for providing an accurate positioning and fixing position for the blade 2 to ensure the stability of the blade 2 on the tool holder 1. The limiting groove 4 is fixedly connected to a limiting plate 7 inside to fix the blade 2 and prevent it from moving or shaking during work. The blade 2 is fixedly connected to one end of the limiting plate 7 away from the tool holder 1 for processing a workpiece. The blade 2 covers the limiting groove 4. The blade 2 is located on the side of the tool holder 1. The lower surface of the limiting plate 7 is threadedly connected with a fastening bolt 3 for further firmly fixing the blade 2 on the tool holder 1. The fastening bolt 3 penetrates the limiting plate 7 and extends to the inside of the tool holder 1.

[0024] The upper surface of the knife seat 1 is provided with a mounting hole 6 for installing a rotating rod 5, and the rotating rod 5 is fixedly connected inside the mounting hole 6 for driving the entire tool assembly to rotate or other forms of movement. The side surface of the rotating rod 5 is provided with a protrusion 10 for cooperating with the groove 9 to realize the positioning and fixing of the rotating rod 5 in the knife seat 1. The inner wall of the mounting hole 6 is provided with a groove 9 for cooperating with the protrusion 10 to ensure that the rotating rod 5 can rotate stably without falling off. The protrusion 10 is located inside the groove 9. The side surface of the knife seat 1 is provided with a locking hole 11 for providing an installation space for a locking bolt 8. The groove 9 and the locking hole 11 are alternately arranged. The locking hole 11 is located at the upper end of the knife seat 1 and is connected to the mounting hole 6. The internal thread of the locking hole 11 is connected with a locking bolt 8 for locking the position of the rotating rod 5. The locking bolt 8 passes through the locking hole 11 and extends to the inside of the rotating rod 5. The upper end of the rotating rod 5 extends to the outside of the knife seat 1, and the rotating rod 5 is located above the knife seat 1.

[0025] Working principle: The blade 2 is fixed in the limiting groove 4 on the side surface and the lower surface of the tool holder 1 through the limiting plate 7. The limiting groove 4 and the limiting plate 7 ensure that the blade 2 has stable support in the horizontal and vertical directions, and ensure that the blade 2 always maintains the correct position and angle during the processing. Thereafter, by tightening the fastening bolt 3, the blade 2 can be firmly locked on the tool holder 1, further increasing the fastening performance. The rotating rod 5 is fixed to the upper surface of the tool holder 1 through the mounting hole 6, and the protrusion 10 on its side surface is located in the groove 9 inside the tool holder 1, so that the rotating rod 5 can drive the tool holder 1 to rotate. The upper end of the rotating rod 5 extends to the outside of the tool holder 1, which can facilitate the installation of the tool on the machine tool. The rotating rod 5 can be directly operated from the outside to realize the tool operation or adjustment. The groove 9 and the locking hole 11 are staggered to ensure that the rotating rod 5 can maintain a stable position when locked.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A tool for a numerically controlled machine tool, characterized in that: include: A knife seat (1), wherein the side surface and the lower surface of the knife seat (1) are both provided with a limiting groove (4), the interior of the limiting groove (4) is fixedly connected to a limiting plate (7), the end of the limiting plate (7) away from the knife seat (1) is fixedly connected to a blade (2), the lower surface of the limiting plate (7) is threadedly connected to a fastening bolt (3), the upper surface of the knife seat (1) is provided with a mounting hole (6), the interior of the mounting hole (6) is fixedly connected to a rotating rod (5), the side surface of the knife seat (1) is provided with a locking hole (11), the interior of the locking hole (11) is threadedly connected to a locking bolt (8).

2. A tool for a CNC machine tool according to claim 1, characterized in that: The fastening bolt (3) passes through the limiting plate (7) and extends to the interior of the knife seat (1).

3. A tool for a CNC machine tool according to claim 1, characterized in that: The blade (2) covers the limiting groove (4), and the blade (2) is located on the side of the blade seat (1).

4. A tool for a CNC machine tool according to claim 1, characterized in that: A protrusion (10) is provided on the side surface of the rotating rod (5), and a groove (9) is provided on the inner wall of the mounting hole (6).

5. The tool for a CNC machine tool according to claim 1, characterized in that: The locking hole (11) is located at the upper end of the knife seat (1), and the locking hole (11) is connected to the mounting hole (6).

6. A tool for a CNC machine tool according to claim 1, characterized in that: The locking bolt (8) passes through the locking hole (11) and extends to the interior of the rotating rod (5).

7. A tool for a numerically controlled machine tool according to claim 4, characterized in that: The protrusion (10) is located inside the groove (9), and the groove (9) and the locking hole (11) are arranged alternately.

8. The tool for a numerically controlled machine tool according to claim 1, characterized in that: The upper end of the rotating rod (5) extends to the outside of the knife seat (1), and the rotating rod (5) is located above the knife seat (1).

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