Hydrodynamic axial vibration chip-breaker shank

Abstract

The utility model discloses a kind of liquid-driven axial vibration chip-breaking tool shank, including power mechanism, vibration mechanism and torque transmission mechanism;Torque transmission mechanism includes the shell assembly connected with machine tool connecting handle connection;The utility model is through machine tool itself coolant as power source, through ingenious simple mechanical structure to make tool have axial vibration chip-breaking and the cutting function when hole processing;Therefore the utility model does not need to increase additional power source, does not change any structure of machine tool, reduce the cost of user, simplify use;And the utility model realizes vibration chip-breaking and transmission torque etc. Structure design ingenious, structure is also simple, it has advantage relative to current hydraulic pulse type and piezoelectric ceramic drive type vibration chip-breaking tool shank whether from manufacturing cost or use cost;Therefore the utility model is more simple and ingenious in use, widely applicable to hole processing industry, has very important significance to the depth development of tool industry.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical processing equipment technology, and particularly relates to a hydraulic axial vibration chip breaking tool holder for hole processing. Background Technology

[0002] When machining holes, it is necessary to solve the problem of chip breakage. The traditional approach is to design the cutting tool so that it can both cut and break chips. This approach increases the production cost of the cutting tool, cannot achieve versatility, and has high requirements for user parameters, which cannot meet the needs of the market.

[0003] To make cutting tools more versatile, many vibratory chip-breaking tool holders have emerged. These tool holders enable the cutting tool to break chips during machining. Currently, the mainstream vibratory chip-breaking methods include hydraulic pulse type (such as Schenk VibroFlex) and piezoelectric ceramic driven type (such as Schenk LiquiFlex).

[0004] Hydraulic pulse type vibratory chip breaking tool holders utilize the machine tool hydraulic system or an independent hydraulic unit to periodically inject and release hydraulic oil into the piston chamber inside the tool holder through precise hydraulic valve control, thereby driving the tool holder to generate axial pulse vibration.

[0005] The piezoelectric ceramic driven vibration chip breaker tool holder utilizes the inverse piezoelectric effect of piezoelectric ceramic materials. When a high-frequency voltage is applied to the piezoelectric ceramic stack, its length undergoes a slight change, thereby driving the connected mechanism to generate high-frequency micro-vibration.

[0006] However, the above two mainstream vibration chip breaking tool holders are very expensive to use. Therefore, in order to reduce the cost of existing vibration chip breaking tool holders, this utility model designs a hydraulic axial vibration chip breaking tool holder. Utility Model Content

[0007] In view of the shortcomings of the existing technology, this utility model discloses a hydraulic axial vibration chip breaking tool holder, which not only meets the chip breaking requirements of hole machining, but also reduces the manufacturing cost of the tool and is more conducive to market promotion and use.

[0008] To achieve the above objectives, the present invention adopts the following technical solution:

[0009] Hydraulic axial vibration chip breaker tool holder, including:

[0010] A power mechanism includes a fluid-driven rotary assembly and an output shaft fixedly connected to the fluid-driven rotary assembly, wherein the end face of the output shaft is an inclined plane;

[0011] A vibration mechanism includes a vibration actuator shaft and a rolling assembly slidably disposed on the upper end of the vibration actuator shaft. The rolling assembly includes a rolling element that contacts and engages with the inclined surface of the output shaft, and the rolling element is eccentrically disposed with respect to the axis of the output shaft. The output end of the vibration actuator shaft is fixedly connected to a cutting tool. The vibration mechanism includes a support spring, the top end of which abuts against the vibration actuator shaft to ensure that the rolling element always contacts and engages with the inclined surface of the output shaft.

[0012] A torque transmission mechanism includes a housing assembly connected to a machine tool connecting handle. The power mechanism and the vibration mechanism are both disposed within the housing assembly. The torque transmission mechanism also includes a torque transmission component connected to the vibration actuation shaft and the housing assembly respectively, so that the vibration actuation shaft can slide up and down relative to the housing assembly, and can transmit the torque of the housing assembly to the vibration actuation shaft, and the vibration does not affect the concentricity of the actuation shaft.

[0013] As a further description of the above technical solution:

[0014] The fluid-driven rotating assembly includes fluid-driven components such as impellers or turbines that can achieve rotation.

[0015] As a further description of the above technical solution:

[0016] The housing assembly has a working chamber for a fluid-driven rotating component, which is rotatably mounted within the working chamber. The housing assembly also has a fluid channel, the output end of which is connected to the side of the working chamber, so that the high-speed fluid in the fluid channel can drive the impeller or turbine to rotate.

[0017] As a further description of the above technical solution:

[0018] The angle of the output shaft slope is 1-4°, and the eccentricity of the rolling elements is 0.5-4mm, so that the tool amplitude is 0.01-0.5mm, thereby enabling the tool to better break chips through axial vibration.

[0019] As a further description of the above technical solution:

[0020] The housing assembly has a pressure relief channel communicating with the working chamber. A pressure relief valve is installed in the pressure relief channel. By controlling the pressure relief valve, the flow rate of fluid discharge is controlled, thereby controlling the rotation speed of the fluid-driven rotating assembly and the output shaft, so as to control the vibration chip breaking frequency of the vibration mechanism.

[0021] As a further description of the above technical solution:

[0022] The rolling assembly also includes a rolling element mounting base. The rolling element is mounted on the rolling element mounting base (such as a universal wheel structure) by several small steel balls, thereby reducing friction and allowing the rolling element to better drive the vibration actuator shaft to vibrate. The upper end face of the vibration actuator shaft is provided with a sliding groove, and the rolling element mounting base is installed in the sliding groove. The vibration actuator shaft is provided with threaded holes on the opposite side of the sliding groove. The vibration actuator shaft is provided with a screw in the threaded hole. The output end of the screw abuts against the rolling element mounting base. After adjusting the eccentricity position of the rolling element, the rolling assembly is fixed and the eccentricity is adjusted by the screw abutting against the rolling element mounting base, thereby adjusting the amplitude.

[0023] As a further description of the above technical solution:

[0024] The torque transmission mechanism includes steel balls, a fixed outer ring fixedly connected to the housing assembly, and a transmission inner ring fixedly connected circumferentially to the vibration actuator shaft. The transmission inner ring is located inside the fixed outer ring, with a gap between them. The inner ring of the fixed outer ring has three or more L-shaped protrusions, and the outer ring of the transmission inner ring has L-shaped grooves at the corresponding positions of the L-shaped protrusions. The steel balls are located in the space formed by the L-shaped grooves of the transmission inner ring and the L-shaped protrusions of the fixed outer ring. The housing assembly is rotated by the machine tool connecting handle, the housing assembly rotates the fixed outer ring, and the fixed outer ring transmits torque through the steel balls to drive the transmission inner ring to rotate, thereby driving the vibration actuator shaft and the tool to rotate to complete the cutting work.

[0025] As a further description of the above technical solution:

[0026] The thickness of the inner transmission ring is less than the thickness of the fixed outer ring. The difference between the thickness of the inner transmission ring and the fixed outer ring must be greater than the distance between the highest and lowest points of the inclined surface of the output shaft. Furthermore, the difference between the thickness of the inner transmission ring and the fixed outer ring must be less than the radius of the steel ball. Since the inner transmission ring and the vibrating actuator shaft are fitted with a clearance fit, there is a certain amount of space to compensate for manufacturing errors in the inner transmission ring and the fixed outer ring. That is, the inner transmission ring can vibrate freely and also has a certain amount of free movement clearance in the radial direction. When transmitting torque, this allows multiple steel balls to simultaneously play the role of transmitting torque. At the same time, the vibrating actuator shaft can vibrate up and down to complete chip breaking.

[0027] As a further description of the above technical solution:

[0028] The lower end of the support spring abuts against the housing assembly, and the housing assembly supports the vibration actuation shaft so that the rolling element is always in contact with the inclined surface of the output shaft.

[0029] This utility model has the following beneficial effects:

[0030] This invention provides a hydraulic axial vibration chip-breaking tool holder. The tool holder uses its own fluid (such as coolant) to drive a rotating component that rotates the output shaft. The output shaft then rotates through a roller at different heights on an inclined plane and an eccentrically positioned rolling element, creating vertical vibration chip breaking. Simultaneously, a torque transmission mechanism transmits the torque from the machine tool connecting shank to the cutting tool for cutting. This solves the problem of chips being difficult to break or becoming entangled during hole machining. Furthermore, this vibration chip-breaking tool holder reduces tool production costs, improves tool versatility, and extends tool life.

[0031] This invention utilizes the machine tool's own coolant as a power source, employing a clever and simple mechanical structure to enable the cutting tool to perform axial vibration chip breaking and cutting functions during hole machining. Therefore, this invention eliminates the need for an additional power source and does not alter any machine tool structure, reducing user costs and simplifying operation. Furthermore, the ingenious and simple design of this invention for achieving vibration chip breaking and torque transmission offers advantages over existing hydraulic pulse-type and piezoelectric ceramic-driven vibration chip breaking tool holders in both manufacturing and operating costs. Consequently, this invention is simpler and more ingenious to use, widely applicable to the hole machining industry, and of great significance to the in-depth development of the tool industry. In addition, this invention allows for convenient adjustment of the vibration frequency and precise adjustment of the amplitude according to different processed materials and machining parameters. Attached Figure Description

[0032] Figure 1 A cross-sectional structural schematic diagram of a hydraulic axial vibration chip breaking tool holder provided by this utility model;

[0033] Figure 2 A partial cross-sectional structural diagram of a hydraulic axial vibration chip breaking tool holder provided by this utility model;

[0034] Figure 3 A schematic diagram of the torque transmission mechanism of a hydraulic axial vibration chip breaking tool holder provided by this utility model.

[0035] Reference numerals: 1-Housing assembly; 2-Vibration actuator shaft; 3-Fluid channel; 4-Fluid-driven rotary assembly; 5-Output shaft; 6-Inclined surface; 7-Rolling element; 8-Screw; 9-Linear bearing; 10-Fixed outer ring; 11-Steel ball; 12-Transmission inner ring; 13-End cap; 14-Screw; 15-Support spring; 16-Slide groove; 17-Rolling element mounting seat; 18-Pressure relief channel; 19-Bearing; 20-L-shaped groove; 21-L-shaped protrusion. Detailed Implementation

[0036] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0037] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0038] The vibration chip-breaking tool holder provided by this utility model does not limit hole machining; that is to say, any hydraulic axial vibration chip-breaking tool holder protected by this utility model used by those skilled in the art to achieve other machining methods (such as cutting) is within the protection scope of this utility model.

[0039] It is worth noting that the fluid used in this utility model is the machine tool's own coolant. The coolant enters the fluid channel of the housing assembly through the machine tool's connecting handle and is sprayed as a power source. However, this utility model does not limit the fluid to coolant. That is to say, those skilled in the art can choose other fluids or change to other fluid sources as long as they use the structural principle of this utility model to achieve vibration chip breaking, which is within the protection scope of this utility model.

[0040] Example 1

[0041] A hydraulic axial vibration chip breaking tool holder includes a power mechanism, a vibration mechanism, and a torque transmission mechanism; the torque transmission mechanism includes a housing assembly 1 connected to a machine tool connecting shank.

[0042] The power mechanism includes a fluid-driven rotating component 4, which includes a fluid-driven component such as an impeller or a turbine that can rotate. This utility model does not limit the selection of an impeller or a turbine; any other liquid-driven rotating component that can meet the speed and torque requirements is within the protection scope of this utility model.

[0043] Preferably, a side-jet impeller can be used. It is worth noting that this invention is not limited to side-jet. Axial jetting to achieve rotation is also within the scope of protection of this invention, but the requirements for the impeller are relatively high.

[0044] The power mechanism also includes an output shaft 5 fixedly connected to the fluid-driven rotating assembly 4. The rotation of the fluid-driven rotating assembly 4 drives the output shaft 5 to rotate. The end face of the output shaft 5 is an inclined surface 6. The fluid-driven rotating assembly 4 is connected to the housing assembly 1 through a bearing 19.

[0045] Preferably, the housing assembly 1 has a working chamber for a fluid-driven rotating assembly 4, which is rotatably disposed within the working chamber. The housing assembly 1 also has a fluid channel 3, the output end of which is connected to the side of the working chamber, so that the high-speed fluid in the fluid channel 3 can be side-jet driven to rotate the impeller or turbine, and the rotation of the impeller or turbine can rotate the output shaft 5.

[0046] Preferably, the housing assembly 1 has a pressure relief channel 18 that communicates with the working chamber. A pressure relief valve is installed in the pressure relief channel 18. By controlling the pressure relief valve, the flow rate of the fluid is controlled, thereby controlling the rotation speed of the fluid-driven rotating assembly 4 and the output shaft 5, so as to control the vibration chip breaking frequency of the vibration mechanism. The reason for designing the vibration chip breaking frequency in this utility model is that different amplitudes and frequencies are required for different processed materials.

[0047] The vibration mechanism includes a vibration actuator 2 and a rolling assembly. The rolling assembly is slidably mounted on the upper end of the vibration actuator 2. The rolling assembly includes a rolling element 7, which contacts and engages with the inclined surface 6 of the output shaft 5. The rolling element 7 is eccentrically positioned relative to the axis of the output shaft 5. The output end of the vibration actuator 2 is fixedly connected to the tool. It is worth noting that the purpose of the rolling assembly being located eccentrically on the axis of the vibration actuator 2 in the attached drawings of this embodiment is to make the rolling element 7 eccentrically positioned relative to the axis of the output shaft 5. Because the lower end surface of the output shaft 5 is an inclined surface 6, only in the eccentric position can the output shaft 5 rotate and drive the rolling element 7 to roll while moving up and down at high speed, thereby achieving vibration chip breaking of other components. However, this utility model does not limit the rolling assembly to be located eccentrically on the vibration actuator 2, as long as the rolling element 7 is eccentrically positioned relative to the axis of the output shaft 5.

[0048] Preferably, the rolling assembly further includes a rolling element mounting seat 17. The rolling element 7 is mounted on the rolling element mounting seat 17 (such as a universal wheel structure) by several small steel balls, thereby reducing friction and allowing the rolling element to better drive the vibration actuator shaft 2 to vibrate. The upper end face of the vibration actuator shaft 2 is provided with a groove 16, and the rolling element mounting seat 17 is installed in the groove 16. The vibration actuator shaft 2 is provided with threaded holes on the opposite side of the groove 16. The vibration actuator shaft 2 is provided with a screw 8 in the threaded hole. The output end of the screw 8 abuts against the rolling element mounting seat 17. After adjusting the eccentricity position of the rolling element 7, the rolling assembly is fixed and the eccentricity is adjusted by the screw 8 abutting against the rolling element mounting seat 17, thereby adjusting the amplitude. Of course, the above-mentioned setting of the groove 16 to allow the rolling assembly to slide to adjust the eccentricity and fixing it by the screw 8 are only preferred solutions. Other methods of adjusting the eccentricity and fixing are within the protection scope of this utility model.

[0049] The vibration mechanism also includes a support spring 15. The top end of the support spring 15 abuts against the vibration actuation shaft 2, and the lower end of the support spring 15 abuts against the housing assembly 1, so that the rolling element 7 is always in contact with the inclined surface 6 of the output shaft 5. The support spring 15 plays an important role in the utility model because the rolling element 7 moves up and down at high speed under the action of the inclined surface 6. At this time, the elasticity of the support spring 15 is required to ensure that the rolling element 7 is always in contact with the inclined surface 6 of the output shaft 5. It is worth noting that the utility model is not limited to a spring. Those skilled in the art can choose other elastic components (such as bellows) as long as they can achieve the goal of keeping the rolling element 7 in contact with the inclined surface 6 of the output shaft 5. In addition, the utility model does not limit whether the upper and lower ends of the support spring 15 are in direct or indirect contact with the vibration actuation shaft 2 and the housing assembly 1, respectively.

[0050] The torque transmission mechanism also includes a torque transmission component connected to the vibration actuation shaft 2 and the housing assembly 1 respectively, so that the vibration actuation shaft 2 can slide up and down relative to the housing assembly 1 and can transmit the torque of the housing assembly 1 to the vibration actuation shaft 2.

[0051] Preferably, the torque transmission mechanism includes steel balls 11, a fixed outer ring 10 fixedly connected to the housing assembly 1, and a transmission inner ring 12 circumferentially fixedly connected to the vibrating actuation shaft 2. The transmission inner ring 12 is located inside the fixed outer ring 10, with a gap between them. The inner ring of the fixed outer ring 10 has three or more L-shaped protrusions 21, and the outer ring of the transmission inner ring 12 has L-shaped grooves 20 at the corresponding positions of the L-shaped protrusions 21. The steel balls 11 are located in the space formed by the L-shaped grooves 20 of the transmission inner ring 12 and the L-shaped protrusions 21 of the fixed outer ring 10. The housing assembly 1 is rotated by the machine tool connecting handle, and the housing assembly 1 rotates the fixed outer ring 10. The fixed outer ring 10 transmits torque through the steel balls 11, driving the transmission inner ring 12 to rotate, thereby driving the vibrating actuation shaft 2 and the tool to rotate to complete the cutting work. At the same time, the steel balls 11 have gaps in both the axial and radial directions within the installation space, allowing them to vibrate freely while transmitting torque, achieving a simultaneous centering effect for multiple steel balls. The diameter of the steel ball 11 is smaller than the thickness of the fixed outer ring 12, and the thickness of the inner transmission ring 12 is smaller than the thickness of the fixed outer ring 10. The difference between the thickness of the inner transmission ring 12 and the thickness of the fixed outer ring 10 must be greater than the distance between the highest and lowest points of the inclined surface 6 of the output shaft 5. Furthermore, the difference between the thickness of the inner transmission ring 12 and the thickness of the fixed outer ring 10 must be less than the radius of the steel ball 11. Since the inner transmission ring 12 and the vibrating actuating shaft 2 are a clearance fit, there is sufficient space to compensate for manufacturing errors in the inner transmission ring 12 and the fixed outer ring 10. This means the inner transmission ring 12 can vibrate freely and also has a certain free movement clearance in the radial direction, allowing multiple steel balls 11 to simultaneously transmit torque. Simultaneously, the vibrating actuating shaft 2 can vibrate up and down to complete chip breaking. It is worth noting that the L-shaped protrusion 21 and the L-shaped groove 20 are only preferred embodiments and do not limit the scope of protection of this utility model. Those skilled in the art can choose other shapes of protrusions and grooves as long as they can achieve torque transmission through the steel balls 11, all of which are within the scope of protection of this utility model.

[0052] Preferably, the torque transmission mechanism further includes an end cap 13, which is located at the lower end of the fixed outer ring 10. In this embodiment, the end cap 13 and the fixed outer ring 10 are fixed to the housing assembly 1 by a number of screws 14. In this embodiment, the inner ring of the transmission inner ring 12 is an internal hexagonal structure, and the part where the vibration actuation shaft 2 and the transmission inner ring 12 meet is an external hexagonal structure, thereby realizing the circumferential fixed connection between the transmission inner ring 12 and the vibration actuation shaft 2. The torque of the transmission inner ring 12 can be transmitted to the vibration actuation shaft 2 through the cooperation of the internal hexagonal structure and the external hexagonal structure. The transmission inner ring 12 and the vibration actuation shaft 2 transmit torque through the clearance fit of the internal hexagonal structure and the external hexagonal structure. There is a certain space to compensate for the manufacturing error of the transmission inner ring 12 and the fixed outer ring 10, that is, the transmission inner ring 12 can vibrate freely, so that multiple steel balls 11 can play the role of transmitting torque at the same time when transmitting torque. It is worth noting that the torque transmission method of the inner ring 12 and the vibration actuation shaft 2 through the gap fit of the inner hexagonal structure and the outer hexagonal structure does not limit the protection scope of this utility model. Other non-circular structure gap fit torque transmission methods (such as triangular structure, square structure, octagonal structure, etc.) are also within the protection scope of this utility model.

[0053] Preferably, the vibration actuator 2 extends out of the housing assembly 1 and is fixedly connected to the cutter. The vibration actuator 2 is connected in the housing assembly 1 by a linear bearing 19 for positioning and circumferential restriction of movement. The linear bearing 19 is only a preferred solution of this utility model and does not limit the scope of protection of this utility model. Other methods such as ball bearings are also within the scope of protection of this utility model as long as they achieve positioning and reduce friction.

[0054] Preferably, the angle of the inclined plane 6 of the output shaft 5 is 1-4°, and the eccentricity of the rolling elements 7 is 0.5-4mm, so that the tool amplitude is 0.01-0.5mm, thereby enabling the tool to better break chips through axial vibration. The angle of the inclined plane 6 and the eccentricity can be calculated according to the specific amplitude, and the calculation method is conventional trigonometric functions. Table 1 shows the different amplitudes obtained by different angles of the inclined plane 6 of the output shaft 5 and the eccentricity of the rolling elements 7:

[0055]

[0056]

[0057] Table 1

[0058] In Table 1, the horizontal axis represents the eccentricity, and the vertical axis represents the slope angle.

[0059] Different amplitudes and frequencies are required when enlarging holes for different materials, as shown in Table 2:

[0060] Workpiece material Amplitude (mm) Vibration frequency (Hz) Aluminum alloy 0.08-0.15 60-100 High-temperature alloy 0.18-0.3 140-220 45 steel 0.14 85 304 stainless steel 0.22 115 TC4 titanium alloy 0.18 155

[0061] Table 2

[0062] This invention uses its own fluid (such as coolant) to drive the fluid-driven rotating component 4 to rotate the output shaft 5. Then, through the inclined surface 6 and the eccentrically positioned rolling element 7, rolling contact at different heights creates vertical vibration chip breaking. At the same time, the torque of the machine tool connecting shank is transmitted to the cutting tool through the torque transmission mechanism, thereby solving the problem of chips not easily breaking or getting entangled in hole machining. In addition, the vibration chip breaking tool holder of this invention reduces the production cost of the tool, improves the versatility of the tool, and extends its service life.

[0063] This invention uses the machine tool's own coolant as a power source and employs a clever and simple mechanical structure to enable the cutting tool to perform axial vibration chip breaking and cutting functions during hole machining. Therefore, this invention does not require an additional power source, does not alter any machine tool structure, reduces user costs, and simplifies operation. Furthermore, the ingenious and simple structural design of this invention for achieving vibration chip breaking and torque transmission gives it an advantage over existing hydraulic pulse-type and piezoelectric ceramic-driven vibration chip breaking tool holders in terms of both manufacturing and operating costs. Therefore, this invention is simpler and more ingenious to use, widely applicable to the hole machining industry, and has significant implications for the in-depth development of the tool industry.

[0064] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0065] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0066] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A hydraulically driven axial vibration chip breaker shank, characterized in that, include: A power mechanism includes a fluid-driven rotary assembly and an output shaft fixedly connected to the fluid-driven rotary assembly, wherein the end face of the output shaft is an inclined plane; A vibration mechanism includes a vibration actuator shaft and a rolling assembly slidably disposed on the upper end of the vibration actuator shaft. The rolling assembly includes a rolling element that contacts and engages with the inclined surface of the output shaft, and the rolling element is eccentrically disposed with respect to the axis of the output shaft. The output end of the vibration actuator shaft is fixedly connected to a cutting tool. The vibration mechanism includes a support spring, the top end of which abuts against the vibration actuator shaft to ensure that the rolling element always contacts and engages with the inclined surface of the output shaft. A torque transmission mechanism includes a housing assembly connected to a machine tool connecting handle, wherein the power mechanism and the vibration mechanism are both disposed within the housing assembly, and the torque transmission mechanism further includes a torque transmission component connected to the vibration actuation shaft and the housing assembly respectively.

2. The hydraulic axial vibration chip breaker shank according to claim 1, characterized in that, The fluid-driven rotating component includes an impeller or a turbine.

3. The hydraulic axial vibration chip breaker shank according to claim 1, characterized in that, The housing assembly has a working chamber for a fluid-driven rotating component, which is rotatably mounted within the working chamber. The housing assembly also has a fluid channel, the output end of which is connected to the side of the working chamber, so that the high-speed fluid in the fluid channel can drive the impeller or turbine to rotate.

4. The hydraulic axial vibration chip breaker shank according to claim 1, characterized in that, The angle of the output shaft slope is 1-4°, and the eccentricity of the rolling elements is 0.5-4mm, so that the tool amplitude is 0.01-0.5mm, thereby enabling the tool to better break chips through axial vibration.

5. A hydraulic axial vibration chip breaker tool holder according to claim 4, characterized in that, The housing assembly has a pressure relief channel communicating with the working chamber, and a pressure relief valve is installed in the pressure relief channel.

6. The hydraulic axial vibration chip breaker shank according to claim 1, characterized in that, The rolling assembly also includes a rolling element mounting base, wherein the rolling element is rolled and mounted on the rolling element mounting base by a number of small steel balls; a sliding groove is provided on the upper end face of the vibration actuator shaft, the rolling element mounting base is installed in the sliding groove, threaded holes are provided on the opposite side of the sliding groove of the vibration actuator shaft, and a screw is provided on the threaded hole of the vibration actuator shaft, the output end of the screw abuts against the rolling element mounting base.

7. The hydraulic axial vibration chip breaker shank according to claim 1, characterized in that, The torque transmission mechanism includes a steel ball, a fixed outer ring fixedly connected to the housing assembly, and a transmission inner ring fixedly connected to the vibration actuation shaft in the circumferential direction. The transmission inner ring is located inside the fixed outer ring, and there is a gap between the two. The inner ring of the fixed outer ring has three or more L-shaped protrusions, and the outer ring of the transmission inner ring has L-shaped grooves at the corresponding positions of the L-shaped protrusions. The steel ball is located in the space formed by the L-shaped groove of the transmission inner ring and the L-shaped protrusion of the fixed outer ring.

8. A hydraulic axial vibration chip breaker shank according to claim 7, characterized in that, The thickness of the inner transmission ring is less than the thickness of the outer fixed ring. The difference between the thickness of the inner transmission ring and the outer fixed ring must be greater than the distance between the highest and lowest points of the inclined plane of the output shaft, and the difference between the thickness of the inner transmission ring and the outer fixed ring must be less than the radius of the steel ball.

9. A hydraulic axial vibration chip breaker shank according to claim 1, characterized in that, The lower end of the support spring abuts against the housing assembly, and the housing assembly supports the vibration actuation shaft so that the rolling element is always in contact with the inclined surface of the output shaft.

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