Damping vibration attenuation boring cutter

Abstract

The utility model discloses a damping vibration attenuation boring cutter and relates to the technical field of boring cutters, the top end of a cutter bar is provided with a connecting seat, the upper surface of the connecting seat is fixedly connected with a cutter head, the inside of the cutter bar is provided with a vibration attenuation cavity, the inner bottom wall of the vibration attenuation cavity is fixedly connected with a vibration attenuation bottom pad, the inside of the vibration attenuation cavity is provided with a damper, and the vibration attenuation bottom pad is fixedly connected with the bottom wall of the vibration attenuation cavity. A damping support is arranged at the top end of the damper, a first through hole is formed in the upper surface of the connecting base, a fixing screw is arranged in the first through hole, a second through hole is formed in the top end of the cutter bar, and a threaded groove is formed in the upper surface of the damping support. And the bottom ends of the fixing screws penetrate through the second through holes and extend into the threaded grooves, the outer surfaces of the fixing screws are in threaded connection with the inner walls of the threaded grooves, and the upper surface of the vibration reduction bottom pad makes close contact with the bottom face of the damper. The boring cutter is reasonable in design structure, has damping and vibration attenuation effects, and ensures the stability of the boring cutter during cutting.

Description

Technical Field

[0001] The utility model relates to the technical field of boring cutters, in particular to a damping vibration-reducing boring cutter. Background Art

[0002] A boring tool is a type of boring tool, generally with a round shank, but also with a square shank for larger workpieces. The most common occasions are internal hole processing, hole expansion, profiling, etc. It has one or two cutting parts and is specially used for rough processing, semi-finishing or finishing of existing holes. It can be used on boring machines, lathes or milling machines. When using it, appropriate modules can be selected according to the requirements of the workpiece and assembled into various boring tools, thereby simplifying the design and manufacture of the tool.

[0003] Boring cutters are important cutting tools on boring machines, lathes or milling machines. However, current boring cutters do not have the effect of damping and vibration reduction, and it is difficult to eliminate the vibration of the cutter head during operation, which in turn affects the stability of the boring cutter during cutting. For this reason, we provide damping and vibration reduction boring cutters to solve the above problems. Utility Model Content

[0004] 1) Technical issues solved

[0005] The utility model aims to make up for the deficiencies of the prior art and provides a damping vibration-reducing boring tool.

[0006] 2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a damping and vibration-reducing boring tool, comprising a tool rod, a connecting seat is provided at the top of the tool rod, a tool head is fixedly connected to the upper surface of the connecting seat, a vibration-reducing cavity is provided inside the tool rod, a vibration-reducing bottom pad is fixedly connected to the inner bottom wall of the vibration-reducing cavity, a damper is provided inside the vibration-reducing cavity, a vibration-reducing support is provided at the top of the damper, a first through hole is provided on the upper surface of the connecting seat, a fixing screw is provided inside the first through hole, and a second through hole is provided at the top of the tool rod.

[0008] Furthermore, a thread groove is formed on the upper surface of the vibration-damping support, the bottom end of the fixing screw passes through the second through hole and extends to the inside of the thread groove, and the outer surface of the fixing screw is threadedly connected to the inner wall of the thread groove.

[0009] Furthermore, the upper surface of the vibration-damping base pad is in close contact with the bottom surface of the damper, and the top end of the damper is in close contact with the bottom surface of the vibration-damping support.

[0010] Furthermore, a connection hole is provided on the upper surface of the connection seat, and a model stripe is provided on the outer surface of the connection seat.

[0011] Furthermore, a chip removal hole is provided on the outer surface of the cutter head, and a blade is fixedly mounted on the outer surface of the cutter head.

[0012] Furthermore, a limiting clamp is provided below the knife rod, and the top end of the limiting clamp is fixedly connected to the bottom end of the knife rod.

[0013] 3) Beneficial effects:

[0014] Compared with the prior art, the damping and vibration-reducing boring tool has the following beneficial effects:

[0015] The utility model can quickly connect and fix the connecting seat through the cooperation of the first through hole and the fixing screw provided on the connecting seat and the second through hole and the threaded groove, so that the cutter head can be firmly assembled on the top of the cutter rod, and the vibration reduction cavity provided on the cutter rod will reduce the vibration of the vibration reduction pad, the damper and the vibration reduction support, and at the same time utilize the vibration reduction and damping characteristics of the vibration reduction pad, the damper and the vibration reduction support to achieve the effect of eliminating the vibration of the cutter head when working, so that the boring tool has the effect of damping and vibration reduction, and the stability of the boring tool when cutting is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the front view of the utility model;

[0017] Figure 2 It is a cross-sectional view of the front view of the utility model;

[0018] Figure 3 It is a three-dimensional structural diagram of a top view of a cutter head in the utility model;

[0019] Figure 4 For this utility model Figure 2 A schematic diagram of the enlarged structure in the middle.

[0020] In the figure: 1. tool rod; 2. connecting seat; 3. tool head; 4. first through hole; 5. second through hole; 6. fixing screw; 7. vibration-damping support; 8. threaded groove; 9. damper; 10. vibration-damping cavity; 11. vibration-damping base pad; 12. limit clamp; 13. chip removal hole; 14. connecting hole; 15. model stripe; 16. blade. DETAILED DESCRIPTION

[0021] 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.

[0022] like Figure 1-4As shown, the utility model provides a technical solution: a damping vibration-reducing boring tool, comprising a tool rod 1, a connecting seat 2 is provided at the top of the tool rod 1, a tool head 3 is fixedly connected to the upper surface of the connecting seat 2, a vibration-reducing cavity 10 is provided inside the tool rod 1, a vibration-reducing bottom pad 11 is fixedly connected to the inner bottom wall of the vibration-reducing cavity 10, a damper 9 is provided inside the vibration-reducing cavity 10, a vibration-reducing support 7 is provided at the top of the damper 9, a first through hole 4 is provided on the upper surface of the connecting seat 2, a fixing screw 6 is provided inside the first through hole 4, and a second through hole 5 is provided at the top of the tool rod 1.

[0023] A threaded groove 8 is provided on the upper surface of the vibration-damping support 7, and the bottom end of the fixing screw 6 passes through the second through hole 5 and extends to the inside of the threaded groove 8. The outer surface of the fixing screw 6 is threadedly connected to the inner wall of the threaded groove 8. The upper surface of the vibration-damping base pad 11 is in close contact with the bottom surface of the damper 9, and the top end of the damper 9 is in close contact with the bottom surface of the vibration-damping support 7. Through the setting of the threaded groove 8, the fixing screw 6 and the threaded groove 8 can be threadedly connected, which will quickly fix the connecting seat 2. By utilizing the cooperation of the vibration-damping base pad 11, the damper 9 and the vibration-damping support 7, better vibration damping can be achieved.

[0024] A connecting hole 14 is provided on the upper surface of the connecting seat 2, a model stripe 15 is provided on the outer surface of the connecting seat 2, a chip removal hole 13 is provided on the outer surface of the cutter head 3, a blade 16 is fixedly installed on the outer surface of the cutter head 3, a limit clamp 12 is provided under the tool rod 1, the top of the limit clamp 12 is fixedly connected to the bottom end of the tool rod 1, and the connection and fixation of the connecting seat 2 is deepened by the setting of the connecting hole 14, and the cut metal chips can be discharged by using the chip removal hole 13. The tool rod 1 can be easily installed and fixed by the limit clamp 12.

[0025] Working principle: first, take the connecting seat 2 and install it on the top of the tool rod 1, then take the fixing screw 6 and pass it through the first through hole 4 and the second through hole 5 in turn, then slowly rotate the fixing screw 6 to the inside of the thread groove 8, and then the connecting seat 2 can be quickly connected and fixed, which will enable the cutter head 3 to be quickly installed on the top of the tool rod 1, and then use the vibration-damping base pad 11, damper 9 and vibration-damping support 7 inside the vibration-damping cavity 10 to eliminate the vibration of the cutter head 3 during operation.

Claims

1. A vibration damping boring tool, comprising a tool bar (1), characterized in that: A connecting seat (2) is provided at the top of the knife rod (1), a knife head (3) is fixedly connected to the upper surface of the connecting seat (2), a vibration-damping cavity (10) is provided inside the knife rod (1), a vibration-damping base pad (11) is fixedly connected to the inner bottom wall of the vibration-damping cavity (10), a damper (9) is provided inside the vibration-damping cavity (10), a vibration-damping support (7) is provided at the top of the damper (9), a first through hole (4) is provided on the upper surface of the connecting seat (2), a fixing screw (6) is provided inside the first through hole (4), and a second through hole (5) is provided at the top of the knife rod (1).

2. A damping and vibration reducing boring tool according to claim 1, characterized in that: A thread groove (8) is provided on the upper surface of the vibration-damping support (7), the bottom end of the fixing screw (6) passes through the second through hole (5) and extends to the inside of the thread groove (8), and the outer surface of the fixing screw (6) is threadedly connected to the inner wall of the thread groove (8).

3. A damping and vibration reducing boring tool according to claim 1, characterized in that: The upper surface of the vibration-damping base pad (11) is in close contact with the bottom surface of the damper (9), and the top end of the damper (9) is in close contact with the bottom surface of the vibration-damping support (7).

4. A damping and vibration reducing boring tool according to claim 1, characterized in that: The upper surface of the connection seat (2) is provided with a connection hole (14), and the outer surface of the connection seat (2) is provided with a model stripe (15).

5. A damping and vibration reducing boring tool according to claim 1, characterized in that: The outer surface of the cutter head (3) is provided with a chip removal hole (13), and a blade (16) is fixedly mounted on the outer surface of the cutter head (3).

6. A damping and vibration reducing boring tool according to claim 1, characterized in that: A limiting clamp (12) is provided below the knife rod (1), and the top end of the limiting clamp (12) is fixedly connected to the bottom end of the knife rod (1).

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