Shaft part burr-free composite machining tool

Abstract

The utility model discloses a shaft parts no burr compound processing tool, including handle, spiral cutting edge and chip groove, spiral cutting edge installs at the bottom of handle, the chip groove is set up on spiral cutting edge, the handle is set up and is evenly distributed with the extension groove, the inside of extension groove is communicated with the inside of chip groove, the inside of handle is set up with the shunt chamber, the inner wall of shunt chamber is set up and is evenly distributed with high pressure chamber. The utility model, adopt the design of the inclination of high pressure spray head to set, and its injection direction is identical with the rotation of spiral cutting edge, forms the synergistic effect of spiral airflow and tool rotation, not only strengthens the effect of chip removal, but also can effectively cool the processing area, and the communication design of extension groove and chip groove constitutes the extension type chip removal channel, and the complete fluid dynamics chip removal system is formed with high pressure spray head, and the controllable vibration is produced under the dual action of centrifugal force and electromagnetic repulsion of auxiliary assembly, realizes the double function of chip continuity destruction and chip removal reinforcement.

Description

Technical Field

[0001] This utility model relates to the field of machining tool technology, and more specifically, to a burr-free composite machining tool for shaft parts. Background Technology

[0002] In the field of machining, the high-precision machining of shaft parts has always faced significant challenges in chip control and burr removal. Traditional machining tools have the following technical shortcomings in practical applications:

[0003] First, conventional chip removal groove designs tend to cause chip accumulation, especially when machining high-strength materials. If chips cannot be removed in time, it will not only affect the machining quality, but may also damage the cutting tools.

[0004] Secondly, most existing tool cooling systems use external cooling, making it difficult for the coolant to reach the high-temperature parts of the cutting zone, resulting in low cooling efficiency. Furthermore, ordinary tools tend to produce chips that form continuous ribbons, which not only create burrs but may also entangle the tool, posing a safety hazard. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of this utility model is to provide a burr-free composite machining tool for shaft parts to solve the problems in the background art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution;

[0007] A burr-free composite machining tool for shaft parts includes a tool holder, a helical cutting edge, and a chip removal groove. The helical cutting edge is installed at the bottom of the tool holder, and the chip removal groove is formed on the helical cutting edge. The tool holder has evenly distributed extension grooves, the interior of which communicates with the interior of the chip removal groove. The tool holder has a flow-dividing cavity inside, and the inner wall of the flow-dividing cavity has evenly distributed high-pressure chambers. A high-pressure nozzle is installed on the inner wall of the chip removal groove, and the high-pressure nozzle communicates with the interior of the high-pressure chamber. An auxiliary component is provided on the outer side of the tool holder.

[0008] The auxiliary component includes a mounting ring, which is fixedly mounted on the outside of the tool holder. An electromagnetic coil is fixedly mounted on the inner wall of the mounting ring. Evenly distributed impact blocks are slidably connected to the inner wall of the mounting ring. Magnetic blocks are fixedly mounted on the impact blocks, and the magnetic blocks are correspondingly arranged with the electromagnetic coil.

[0009] As a further description of the above technical solution: the bottom of the mounting ring is provided with uniformly distributed guide grooves, and the impact block is slidably connected to the inner wall of the guide groove.

[0010] As a further description of the above technical solution: a soft pad is fixedly installed on the side of the impact block away from the electromagnetic coil, and the surface of the soft pad is smooth.

[0011] As a further description of the above technical solution: a high-pressure rotary joint is installed on the tool holder, and the high-pressure rotary joint is located at the top of the flow divider.

[0012] As a further description of the above technical solution: both the chip removal groove and the extension groove have recessed grooves on their inner walls, and the high-pressure nozzle is located inside the recessed groove.

[0013] As a further description of the above technical solution: the high-pressure nozzle is inclined, and the spray direction of the high-pressure nozzle is consistent with the rotation direction of the spiral blade.

[0014] Compared with existing technologies, the advantages of this utility model are:

[0015] In this invention, the cutting tool adopts a design with a high-pressure nozzle tilted so that its spray direction is consistent with the rotation direction of the spiral cutting edge, forming a synergistic effect between the spiral airflow and the tool rotation. This not only enhances the chip removal effect but also effectively cools the machining area. The connection design between the extension groove and the chip removal groove forms an extended chip removal channel, which, together with the high-pressure nozzle, forms a complete hydrodynamic chip removal system. At the same time, the auxiliary components generate controllable vibration under the dual action of centrifugal force and electromagnetic repulsion, achieving the dual functions of chip continuity disruption and chip removal enhancement. The entire system, through the synergistic effect of high-pressure cooling, mechanical vibration, and structural optimization, ensures both machining efficiency and high-quality burr-free machining results. It solves the technical problems of chip accumulation, tool overheating, and burr generation in traditional machining, and has significant practical value and innovation. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the high-pressure chamber of this utility model;

[0018] Figure 3 This is a top view cross-sectional structural diagram of the auxiliary component of this utility model.

[0019] Explanation of the labels in the diagram:

[0020] 1. Handle; 2. Spiral blade; 3. Chip removal groove; 4. Extension groove; 5. Flow divider; 6. High-pressure chamber; 7. High-pressure nozzle; 8. Auxiliary components; 801. Mounting ring; 802. Electromagnetic coil; 803. Impact block; 804. Magnetic block; 805. Guide groove; 806. Soft pad; 9. High-pressure rotary joint; 10. Recessed groove. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model;

[0022] Please see Figures 1-3 In this utility model, a burr-free composite machining tool for shaft parts includes a tool holder 1, a spiral cutting edge 2, and a chip removal groove 3. The spiral cutting edge 2 is installed at the bottom of the tool holder 1, and the chip removal groove 3 is opened on the spiral cutting edge 2. The tool holder 1 has evenly distributed extension grooves 4, and the interior of the extension grooves 4 communicates with the interior of the chip removal groove 3. The tool holder 1 has a flow-dividing cavity 5 inside, and the inner wall of the flow-dividing cavity 5 has evenly distributed high-pressure cavities 6. A high-pressure nozzle 7 is installed on the inner wall of the chip removal groove 3, and the high-pressure nozzle 7 communicates with the interior of the high-pressure cavity 6. An auxiliary component 8 is provided on the outside of the tool holder 1, and a high-pressure rotary joint 9 is installed on the tool holder 1. The high-pressure rotary joint 9 is located at the top of the flow-dividing cavity 5.

[0023] The auxiliary component 8 includes a mounting ring 801, which is fixedly mounted on the outside of the tool holder 1. An electromagnetic coil 802 is fixedly mounted on the inner wall of the mounting ring 801. Evenly distributed impact blocks 803 are slidably connected to the inner wall of the mounting ring 801. A magnetic block 804 is fixedly mounted on the impact block 803, and the magnetic block 804 is correspondingly arranged with the electromagnetic coil 802. Evenly distributed guide grooves 805 are opened at the bottom of the mounting ring 801, and the impact block 803 is slidably connected to the inner wall of the guide groove 805.

[0024] The high-pressure nozzle 7 is set at an angle, and the spray direction of the high-pressure nozzle 7 is consistent with the rotation direction of the spiral blade 2. When the burr-free composite machining tool for shaft parts is used for cutting operations, the tool is mounted on the machine tool through the tool holder 1 and rotates at high speed. The high-pressure coolant enters the distribution chamber 5 through the high-pressure rotary joint 9, and is then distributed to each high-pressure chamber 6, and finally sprayed out from the angled high-pressure nozzle 7.

[0025] The tilt angle of the high-pressure nozzle 7 is consistent with the rotation direction of the spiral blade 2, forming a spiral airflow to assist in chip removal. The high-pressure injection of coolant can effectively flush away chips and cool the processing area, preventing chip accumulation and burr formation.

[0026] Meanwhile, as the centrifugal force generated by the rotation of the tool causes the impact block 803 to slide outward along the guide groove 805 and approach the electromagnetic coil 802, the control system can precisely control the electromagnetic coil 802 to generate the same magnetic pole as the magnetic block 804, generating a repulsive force to push the impact block 803 to quickly strike the tool holder 1 and generate vibration. This periodic vibration can effectively disrupt the continuity of the chips, making them easier to be carried away by the high-pressure airflow, further preventing burrs from being generated.

[0027] The design of the extension groove 4 extends the chip removal path and, together with the high-pressure nozzle 7, forms a complete chip removal system, ensuring that chips can be removed in a timely and effective manner during the processing.

[0028] In this invention, the cutting tool adopts a design with the high-pressure nozzle 7 tilted, and its spray direction is consistent with the rotation direction of the spiral cutting edge 2, forming a synergistic effect between the spiral airflow and the tool rotation. This not only enhances the chip removal effect but also effectively cools the processing area. The connection design between the extension groove 4 and the chip removal groove 3 forms an extended chip removal channel, which, together with the high-pressure nozzle 7, forms a complete hydrodynamic chip removal system. At the same time, the auxiliary component 8 generates controllable vibration under the dual action of centrifugal force and electromagnetic repulsion, realizing the dual functions of chip continuity disruption and chip removal enhancement. The entire system, through the synergistic effect of high-pressure cooling, mechanical vibration, and structural optimization, ensures processing efficiency and achieves high-quality burr-free processing results. It solves the technical problems of chip accumulation, tool overheating, and burr generation in traditional processing, and has significant practical value and innovation.

[0029] Please see Figure 2 Among them, a soft pad 806 is fixedly installed on the side of the impact block 803 away from the electromagnetic coil 802, and the surface of the soft pad 806 is smooth.

[0030] In this invention, the soft pad 806 provided on the outer side of the impact block 803 has multiple optimization functions. Its smooth surface can reduce frictional loss when in contact with the tool holder 1, and can also absorb part of the impact energy through elastic deformation. This allows the electromagnetic vibration system to effectively buffer the damage to the tool structure caused by high-frequency impact while maintaining sufficient vibration intensity. This design not only ensures the maximization of the vibration chip removal effect, but also significantly improves the service life of the tool, and solves the technical problem that traditional vibration mechanisms are prone to causing tool fatigue damage.

[0031] Please see Figure 3 The inner walls of the chip removal groove 3 and the extension groove 4 are both provided with recessed grooves 10, and the high-pressure nozzle 7 is located inside the recessed groove 10.

[0032] In this invention, the recessed groove 10 provided on the inner wall of the chip removal groove 3 and the extension groove 4 provides an ideal installation space for the high-pressure nozzle 7. This embedded structure protects the nozzle from direct scouring by chips on the one hand, and allows the high-pressure coolant to form a directional jet flow along the guide surface of the recessed groove 10 on the other hand.

[0033] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. A burr-free composite machining tool for shaft parts, comprising a tool holder (1), a helical cutting edge (2), and a chip removal groove (3), wherein the helical cutting edge (2) is mounted on the bottom of the tool holder (1), and the chip removal groove (3) is formed on the helical cutting edge (2), characterized in that: The tool holder (1) is provided with evenly distributed extension grooves (4), the interior of the extension grooves (4) is connected to the interior of the chip removal groove (3), the tool holder (1) is provided with a flow-dividing cavity (5), the inner wall of the flow-dividing cavity (5) is provided with evenly distributed high-pressure cavities (6), the inner wall of the chip removal groove (3) is provided with a high-pressure nozzle (7), the high-pressure nozzle (7) is connected to the interior of the high-pressure cavity (6), and an auxiliary component (8) is provided on the outer side of the tool holder (1). The auxiliary component (8) includes a mounting ring (801), which is fixedly mounted on the outside of the handle (1). An electromagnetic coil (802) is fixedly mounted on the inner wall of the mounting ring (801). Evenly distributed impact blocks (803) are slidably connected to the inner wall of the mounting ring (801). A magnetic block (804) is fixedly mounted on the impact block (803). The magnetic block (804) is correspondingly arranged with the electromagnetic coil (802).

2. The burr-free composite machining tool for shaft parts according to claim 1, characterized in that: The bottom of the mounting ring (801) is provided with uniformly distributed guide grooves (805), and the impact block (803) is slidably connected to the inner wall of the guide grooves (805).

3. The burr-free composite machining tool for shaft parts according to claim 1, characterized in that: A soft pad (806) is fixedly installed on the side of the impact block (803) away from the electromagnetic coil (802), and the surface of the soft pad (806) is smooth.

4. The burr-free composite machining tool for shaft parts according to claim 1, characterized in that: A high-pressure rotary joint (9) is installed on the handle (1), and the high-pressure rotary joint (9) is located at the top of the diversion cavity (5).

5. The burr-free composite machining tool for shaft parts according to claim 1, characterized in that: The inner walls of the chip removal groove (3) and the extension groove (4) are provided with recessed grooves (10), and the high-pressure nozzle (7) is located inside the recessed groove (10).

6. The burr-free composite machining tool for shaft parts according to claim 1, characterized in that: The high-pressure nozzle (7) is inclined, and the spraying direction of the high-pressure nozzle (7) is consistent with the rotation direction of the spiral blade (2).

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