Grooving cutter with vibration reduction cutter bar

Abstract

The utility model discloses a grooving cutter with a vibration reduction cutter bar, and relates to the technical field of grooving cutters. The tool bar comprises a tool bar sleeve, one side of the tool bar sleeve is fixedly connected with an end head, and one side of the end head is provided with a tool; a vibration reduction assembly is arranged in an inner cavity of the cutter bar sleeve and comprises a damper fixedly connected to the inner cavity of the cutter bar sleeve. Through the design of the vibration reduction assembly, the vibration resistance of the grooving cutter is effectively improved, the service life of the grooving cutter is effectively prolonged, cutting vibration energy can be efficiently absorbed through the combination of the damper and the vibration reduction plate, vibration is converted into multi-directional movement through the sliding rod, the sliding sleeve and the connecting rod mechanism, and intelligent rigidity adjustment of the memory alloy tension spring is matched. Compared with a traditional vibration reduction material, the mechanical vibration reduction structure has the advantages that the problem of consumable abrasion is solved, excellent vibration reduction performance can still be maintained after long-term use, the roughness of a machined surface can be effectively reduced, and the service life of a cutter can be prolonged.

Description

Technical Field

[0001] This utility model belongs to the field of grooving tool technology, and in particular relates to a grooving tool with a vibration damping tool holder. Background Technology

[0002] A grooving cutter is a tool used to process grooves on the surface of a workpiece. It is mainly used to cut and carve grooves of different shapes. Its cutting edge is usually straight or curved, and it is used to precisely cut the required groove shape on the surface of the workpiece. Grooving cutters are widely used in machining, mold making and other fields that require fine grooving. Their tool materials are generally cemented carbide or coated materials to improve wear resistance and heat resistance, and adapt to high load and high temperature cutting conditions.

[0003] Existing grooving tools still have some problems during use. For example, grooving tools usually need to be mounted on the machine tool via a tool holder for operation. However, during use, the grooving tool must make hard contact with the workpiece surface, which inevitably generates vibration. In order to mitigate the impact of vibration on machining accuracy and tool life, most tool holders are currently designed with vibration damping materials to reduce the vibration experienced by the tool. However, this vibration damping method has certain limitations. The vibration damping material will gradually wear down during long-term use, and its vibration damping effect will decrease over time, thus affecting the normal use and machining effect of the grooving tool.

[0004] To address these issues, we provide a grooving tool with a vibration-damping tool holder. Utility Model Content

[0005] The purpose of this invention is to provide a grooving cutter with a vibration-damping cutter bar. By combining the vibration-damping component and the mounting component, the invention solves the problem that the existing grooving cutters have poor vibration damping performance, which easily affects the use of the cutter.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution.

[0007] This utility model relates to a grooving cutter with a vibration-damping cutter holder, comprising a cutter holder sleeve, an end fixedly connected to one side of the cutter holder sleeve, and a cutter disposed on one side of the end. A vibration-damping assembly is disposed within the inner cavity of the cutter holder sleeve, comprising a damper fixedly connected to the inner cavity of the cutter holder sleeve, a damping plate fixedly connected to the free end of the damper, a force-bearing plate disposed on one side of the damping plate, and a plug fixedly connected to one side of the force-bearing plate. The vibration-damping assembly is used to reduce the vibration experienced by the cutter during operation. A mounting assembly is disposed on one side of the cutter, comprising a plug fixedly connected to one side of the cutter, the surface of the plug being slidably connected to the inner cavity of the end, side plates fixedly connected to both sides of the cutter, and mounting bolts threaded into the inner cavity of the plug. The mounting assembly is used to connect the cutter to the cutter holder sleeve.

[0008] The present invention is further configured such that a damping frame is fixedly connected to one side of the damping plate, a sliding rod is fixedly connected to the inner cavity of the damping frame, and sliding sleeves are slidably connected to both sides of the surface of the sliding rod.

[0009] The present invention is further configured such that a connecting rod is movably connected to one side of the sliding sleeve, one end of the connecting rod is rotatably connected to one side of the force plate via a rotating shaft, and a memory alloy tension spring is sleeved on the surface of the sliding rod, one end of the memory alloy tension spring being fixedly connected to one side of the sliding sleeve.

[0010] The present invention is further configured such that slots are provided on both sides of the inner cavity of the end, and the surface of the side plate is slidably connected to the inner cavity of the slot.

[0011] The present invention is further configured such that the inner cavity of the end head is provided with a threaded groove, the inner cavity of the threaded groove extends to the outside of the end head, and the surface of the mounting bolt is threadedly connected to the inner cavity of the threaded groove.

[0012] The present invention is further configured such that a socket is provided on one side of the plug, and the inner cavity of the socket is slidably connected to the surface of the plug.

[0013] The present invention is further configured such that slide bars are fixedly connected to both sides of the inner cavity of the tool holder sleeve, and one side of the damping plate and the force plate are slidably connected to the surface of the slide bars.

[0014] The present invention has the following beneficial effects.

[0015] 1. This utility model effectively improves the vibration resistance and service life of grooving tools through the design of vibration damping components. The combination of damper and vibration damping plate can efficiently absorb cutting vibration energy, while slide rod, slide sleeve and linkage mechanism convert vibration into multi-directional motion. With the intelligent stiffness adjustment of memory alloy tension spring, the vibration damping effect remains stable under different cutting conditions. Compared with traditional vibration damping materials, this mechanical vibration damping structure has no consumable wear problem, can maintain excellent vibration damping performance even after long-term use, can effectively reduce the surface roughness of the machined surface, and extend the tool life.

[0016] 2. This utility model significantly improves tool changing efficiency and connection reliability through the installation components. The precision sliding fit between the plug and the end, combined with the double-sided slot positioning, ensures that the coaxiality error of the tool installation is reduced. The threaded locking design of the mounting bolts provides stable axial preload to prevent loosening during machining. The split structure facilitates quick tool changing. At the same time, the integrated design of the vibration damping component and the tool holder avoids the need for additional installation space for the vibration damping mechanism, making it particularly suitable for high-precision groove machining in confined spaces.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0019] Figure 1 This is a three-dimensional view of a grooving tool with a vibration damping shank.

[0020] Figure 2 This is an exploded view of the end and plug of a grooving tool for a vibration damping tool holder.

[0021] Figure 3 This is an exploded view of the tool holder sleeve and end of a grooving tool for a vibration damping tool holder.

[0022] Figure 4 This is an exploded view of the internal structure of the tool holder sleeve and the plug in a grooving tool with vibration damping.

[0023] Figure 5 This is an exploded view of the connecting rod and the load-bearing plate in a grooving tool for a vibration damping tool holder.

[0024] In the attached diagram: 1. Tool holder sleeve; 2. End; 3. Tool; 4. Damper; 5. Vibration damping plate; 6. Force plate; 7. Insert block; 8. Plug; 9. Side plate; 10. Mounting bolt; 11. Vibration damping frame; 12. Slide rod; 13. Slide sleeve; 14. Connecting rod; 15. Memory alloy tension spring; 16. Slot; 17. Socket; 18. Slide bar. Detailed Implementation

[0025] The technical solutions of the present utility model will be described below with reference to the accompanying drawings. The described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0026] Example 1

[0027] Please see Figures 1-5This utility model relates to a grooving cutter with a vibration-damping cutter bar, comprising a cutter bar sleeve 1, an end 2 fixedly connected to one side of the cutter bar sleeve 1, the end 2 having a hollow inner cavity that extends into the interior of the cutter bar sleeve 1 on one side, and a cutter 3 disposed on one side of the end 2; a vibration-damping assembly is disposed within the inner cavity of the cutter bar sleeve 1, the vibration-damping assembly including a damper 4 fixedly connected to the inner cavity of the cutter bar sleeve 1 (the damper 4 is an existing structure and will not be described in detail here), a vibration-damping plate 5 fixedly connected to the free end of the damper 4, a force-bearing plate 6 disposed on one side of the vibration-damping plate 5, both the force-bearing plate 6 and the vibration-damping plate 5 sliding within the cutter bar sleeve 1, and one side of the force-bearing plate 6 fixedly connected to one side of an insert block 7, and an insert block 7 fixedly connected to one side of the force-bearing plate 6, the vibration-damping assembly being used to reduce vibration. The vibration experienced by the cutting tool 3 during operation; a mounting assembly is provided on one side of the cutting tool 3, which includes a plug 8 fixedly connected to one side of the cutting tool 3. The surface of the plug 8 is slidably connected to the inner cavity of the tool holder sleeve 1 and fits against the inner cavity of the tool holder sleeve 1 to ensure stability after installation. The surface of the plug 8 is slidably connected to the inner cavity of the end 2. Side plates 9 are fixedly connected to both sides of the cutting tool 3. The surface of the side plates 9 and the inner cavity of the slot 16 are both fixedly connected to a damping layer of stainless steel wire mesh and silicone rubber matrix composite to reduce vibration. There is also a mounting bolt 10 threadedly connected to the inner cavity of the plug 8. One end of the mounting bolt 10 extends to the outside of the end 2 through the end 2 and the inner cavity of the plug 8. The mounting assembly is used to connect the cutting tool 3 to the tool holder sleeve 1.

[0028] Example 2

[0029] Please see Figures 1-5Based on Embodiment 1, a damping frame 11 is fixedly connected to one side of the damping plate 5. A sliding rod 12 is fixedly connected to the inner cavity of the damping frame 11. Sliding sleeves 13 are slidably connected to both sides of the surface of the sliding rod 12. A guide strip is fixedly connected to one side of the damping frame 11. The surface of the guide strip is slidably connected to one side of the sliding sleeve 13, which can limit the sliding sleeve 13. A connecting rod 14 is movably connected to one side of the sliding sleeve 13. The connecting rod 14 connects the sliding sleeve 13 and the force plate 6 to disperse the force on the force plate 6. One end of the connecting rod 14 is rotatably connected to one side of the force plate 6 through a rotating shaft. A shape memory alloy tension spring 15 is sleeved on the surface of the sliding rod 12. The shape memory alloy tension spring 15 undergoes stress-induced martensitic phase transformation under load, absorbing vibration energy. One end of the shape memory alloy tension spring 15 is fixedly connected to one side of the sliding sleeve 13. Both sides of the inner cavity of the head 2 are provided with slots 16. The surface of the side plate 9 is slidably connected to the inner cavity of the slot 16. The inner cavity of the end 2 is provided with a threaded groove. The threaded groove allows the mounting bolt 10 to fix the plug 8 and the end 2 to complete the installation. The inner cavity of the threaded groove extends to the outside of the end 2. The surface of the mounting bolt 10 is threadedly connected to the inner cavity of the threaded groove. One side of the plug 8 is provided with a socket 17. When the plug 8 is inserted into the end 2, the inner cavity of the socket 17 will fit against the surface of the plug block 7 to facilitate subsequent vibration reduction. The inner cavity of the socket 17 is slidably connected to the surface of the plug 8. Both sides of the inner cavity of the tool sleeve 1 are fixedly connected with slide bars 18. The slide bars 18 can limit the vibration damping plate 5 and the force plate 6. One side of the vibration damping plate 5 and the force plate 6 is slidably connected to the surface of the slide bar 18.

[0030] The working principle of this utility model is as follows: When the grooving tool is used to cut the workpiece, the generated vibration is transmitted through the plug 8 to the damping component in the end 2 and the tool sleeve 1. The vibration first acts on the force plate 6, pushing it to slide along the slide bar 18. Then, the radial vibration is converted into the axial movement of the slide sleeve 13 on the slide bar 12 through the connecting rod 14. At this time, the memory alloy tension spring 15 is compressed or stretched under the displacement of the slide sleeve 13. It absorbs the vibration energy by utilizing its stress-induced martensitic phase transformation characteristics. At the same time, the damper 4 and the damping plate 5 work together to dissipate high-frequency vibration. The cooperation between the plug 7 and the socket 17 further disperses the vibration. The metal-rubber composite material damping layer between the side plate 9 and the slot 16 assists in vibration reduction through micro-deformation. The axial preload provided by the mounting bolt 10 ensures the rigid connection of the system. Finally, the mechanical dissipation of multi-directional vibration energy is achieved, so that the tool 3 remains stable during the cutting process, significantly reducing the surface roughness and extending the tool 3 life.

[0031] When it is necessary to install the tool 3 inside the tool holder sleeve 1, simply insert the plug 8 into the inner cavity of the end 2, and allow the side plate 9 to extend into the slot 16 of the end 2, so that the insertion port 17 on one side of the plug 8 fits against the surface of the insertion block 7. Then, screw the mounting bolt 10 into the threaded groove to complete the installation of the tool 3.

[0032] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A grooving cutter with a vibration-damping cutter bar, comprising a cutter bar sleeve (1), characterized in that: The end (2) is fixedly connected to one side of the tool holder sleeve (1), and a tool (3) is provided on one side of the end (2); The inner cavity of the tool holder sleeve (1) is provided with a vibration damping assembly. The vibration damping assembly includes a damper (4) fixedly connected to the inner cavity of the tool holder sleeve (1), a vibration damping plate (5) fixedly connected to the free end of the damper (4), a force plate (6) set on one side of the vibration damping plate (5), and a plug (7) fixedly connected to one side of the force plate (6). The vibration damping assembly is used to reduce the vibration of the tool (3) during operation. The tool (3) is provided with an installation assembly on one side. The installation assembly includes a plug (8) fixedly connected to one side of the tool (3), the surface of the plug (8) being slidably connected to the inner cavity of the end (2), a side plate (9) fixedly connected to both sides of the tool (3), and an installation bolt (10) threadedly connected to the inner cavity of the plug (8). The installation assembly is used to connect the tool (3) to the tool holder sleeve (1).

2. The grooving cutter of the vibration-damping cutter bar according to claim 1, characterized in that: The damping plate (5) is fixedly connected to a shock absorber frame (11) on one side, and a slide rod (12) is fixedly connected to the inner cavity of the shock absorber frame (11). Slide sleeves (13) are slidably connected to both sides of the surface of the slide rod (12).

3. The grooving cutter of the vibration-damping cutter bar according to claim 2, characterized in that: A connecting rod (14) is movably connected to one side of the sliding sleeve (13). One end of the connecting rod (14) is rotatably connected to one side of the force plate (6) via a rotating shaft. A memory alloy tension spring (15) is sleeved on the surface of the sliding rod (12). One end of the memory alloy tension spring (15) is fixedly connected to one side of the sliding sleeve (13).

4. The grooving cutter of the vibration-damping cutter bar according to claim 1, characterized in that: The end (2) has slots (16) on both sides of its inner cavity, and the surface of the side plate (9) is slidably connected to the inner cavity of the slots (16).

5. The grooving cutter of the vibration-damping cutter bar according to claim 1, characterized in that: The end (2) has a threaded groove in its inner cavity, which extends to the outside of the end (2), and the surface of the mounting bolt (10) is threadedly connected to the inner cavity of the threaded groove.

6. The grooving cutter of the vibration-damping cutter bar according to claim 1, characterized in that: The plug (8) has a socket (17) on one side, and the inner cavity of the socket (17) is slidably connected to the surface of the plug (8).

7. The grooving cutter of the vibration-damping cutter bar according to claim 1, characterized in that: The inner cavity of the tool holder sleeve (1) is fixedly connected to both sides of the slide bar (18), and the vibration damping plate (5) and the force plate (6) are slidably connected to the surface of the slide bar (18) on one side.

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