Self-powered intelligent knife handle

Abstract

The embodiment of the invention provides a self-powered intelligent cutter handle which comprises a cutter handle body used for being connected to a machine tool spindle. The coil assembly is annularly arranged on the knife handle main body, and the coil assembly can rotate along with the knife handle main body; the transmission assembly is used for being detachably connected to the machine tool spindle; the magnet assembly is annularly arranged on the cutter handle body, the coil assembly and the magnet assembly are oppositely arranged, the magnet assembly is connected with the transmission assembly, and the transmission assembly can drive the magnet assembly to move in the axial direction of the machine tool spindle so as to adjust the distance between the magnet assembly and the coil assembly; the control unit is arranged on the knife handle main body, and the control unit is electrically connected with the coil assembly; and the sensor assembly is arranged on the knife handle main body, and the sensor assembly is electrically connected with the control unit. According to the embodiment, power is supplied to the sensor assembly on the cutter handle, and the machining efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of cutting processing, and in particular to a self-powered intelligent tool handle. Background Art

[0002] Traditional tool monitoring systems often use multiple external sensors, such as cutting force sensors, vibration sensors, acoustic emission sensors, and temperature sensors. The sensors are generally dispersed around the workbench, requiring additional clamping equipment and geometric constraints, which limits their industrial applications. In recent years, a smart toolholder that integrates advanced sensor technology has emerged, which can monitor the status of the tool in real time, such as wear, vibration, and temperature. However, the operation of this toolholder still needs to be powered by a battery. The toolholder generally needs to be shut down to replace the battery after a period of operation, which affects the processing efficiency. Summary of the invention

[0003] Therefore, in order to overcome at least some of the defects and shortcomings in the prior art, an embodiment of the present invention provides a self-powered intelligent tool handle.

[0004] Specifically, the self-powered intelligent tool handle provided in an embodiment of the present invention is used for detachably connecting to a machine tool spindle; the self-powered intelligent tool handle comprises: a tool handle body, used for connecting to the machine tool spindle, and the machine tool spindle is used to drive the tool handle body to rotate; a coil assembly, which is arranged in an annular manner on the tool handle body, and the coil assembly can rotate with the tool handle body; a transmission assembly, which is used for detachably connecting to the machine tool spindle; a magnet assembly, which is arranged in an annular manner on the tool handle body, and the coil assembly is arranged opposite to the magnet assembly, the magnet assembly is connected to the transmission assembly, and the transmission assembly can drive the magnet assembly to move axially along the machine tool spindle to adjust the distance between the magnet assembly and the coil assembly; a control unit, which is arranged on the tool handle body, and the control unit is electrically connected to the coil assembly; a sensor assembly, which is arranged on the tool handle body, and the sensor assembly is electrically connected to the control unit.

[0005] In a specific embodiment of the present invention, the transmission assembly includes: a fixed seat, which is used to be arranged around the machine tool spindle, and the fixed seat is used to be detachably connected to the machine tool spindle; and a transmission member, which is connected between the fixed seat and the magnet assembly, and the transmission member is used to drive the magnet assembly to move.

[0006] In a specific embodiment of the present invention, when the self-powered intelligent knife handle is in a working state, the distance between the magnet component and the coil component is 1 to 5 mm.

[0007] In a specific embodiment of the present invention, the magnet assembly is arranged around one end of the tool handle body close to the machine tool spindle.

[0008] In a specific embodiment of the present invention, a protective support assembly is also arranged on the handle body, and the protective support assembly includes a cover plate, a mounting plate, a protective plate, a control plate and a base plate arranged in sequence along the axial direction, and a side plate arranged around the cover plate and the base plate, the coil assembly is arranged between the cover plate and the mounting plate, and the control unit is arranged on the control board.

[0009] In a specific embodiment of the present invention, the sensor assembly includes a plurality of force sensors, the force sensors are electrically connected to the control unit, the handle body is provided with a plurality of planes corresponding to the circumference of the protection support assembly, and the plurality of force sensors are arranged one by one on the plurality of planes.

[0010] In a specific embodiment of the present invention, the protective plate is provided with a plurality of arched cavities along the circumferential direction, the arched cavities are provided corresponding to the force sensor, the sensor assembly further includes an acceleration sensor, the self-powered intelligent tool handle further includes a supercapacitor, the acceleration sensor and the supercapacitor are provided in the arched cavity, and are electrically connected to the control unit respectively.

[0011] In a specific embodiment of the present invention, a coolant flow channel is opened inside the tool handle body along the axial direction.

[0012] In a specific embodiment of the present invention, the coolant flow channel includes a first coolant flow channel, a second coolant flow channel and a third coolant flow channel which are connected to each other. The first coolant flow channel corresponds to the position of the protective support assembly, the second coolant flow channel is located on the side of the first coolant flow channel close to the magnet assembly, and the third coolant flow channel is located on the side of the first coolant flow channel away from the magnet assembly. The diameter of the first coolant flow channel is larger than the diameter of the second coolant flow channel, and the diameter of the third coolant flow channel is smaller than the diameter of the second coolant flow channel.

[0013] In a specific embodiment of the present invention, the tool handle body includes: a rivet connector, which is used to detachably connect the machine tool spindle; a first tool handle body, connected to the rivet connector; a second tool handle body, connected to the first tool handle body; a ball valve, sealed and connected between the first tool handle body and the second tool handle body; an adjusting member, connected to the ball valve, and the adjusting member is used to control the coolant flow in the coolant flow channel by controlling the ball valve; a spring chuck, which is sealed and connected to the second tool handle body through a sealing member; and a tool, which is detachably connected to the spring chuck; wherein the rivet connector, the first tool handle body, the second tool handle body and the tool are all hollow structures, and the hollow structures are connected to form the coolant flow channel.

[0014] As can be seen from the above, the embodiment of the present invention sets a coil assembly and a magnet assembly in the self-powered intelligent tool handle, and generates an induced current by driving the rotation of the coil assembly through the machine tool spindle, so as to power the sensor assembly and electronic components on the tool handle body, without the need to replace the battery or stop the machine for charging, thereby improving the processing efficiency, and no external power supply is required, so as to achieve the lightweight and simple self-powered intelligent tool handle. In addition, this embodiment drives the magnet assembly to move along the axial direction of the machine tool spindle by setting a transmission assembly, and realizes power generation for different needs by adjusting the distance between the magnet assembly and the coil assembly, thereby improving the power generation efficiency. Furthermore, through the setting of the sensor assembly, the real-time monitoring of the tool wear state during the processing is realized, the processing accuracy is guaranteed, and the tool life can be predicted, thereby improving the tool utilization rate and reducing the cost. In addition, the self-powered intelligent tool holder is combined with a machine tool spindle with a central water outlet and an internally cooled tool. Through the setting of the coolant flow channel, the coolant can enter the tool holder through the opening of the rivet connector to take away the heat inside the tool holder and finally be ejected from the flow channel of the tool. It can not only cool the tool, but also cool the intelligent tool holder to ensure its smooth operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0016] Figure 1 A schematic structural diagram of a self-powered intelligent knife handle provided in an embodiment of the present invention.

[0017] Figure 2 for Figure 1 Schematic diagram of the exploded structure of the self-powered smart tool holder.

[0018] Figure 3 for Figure 2 Schematic diagram of the exploded structure of the protective support assembly.

[0019] Figure 4 for Figure 2 Schematic diagram of the exploded structure of the magnet assembly.

[0020] Figure 5 for Figure 1 Schematic diagram of the working principle of the self-powered smart tool handle.

[0021] Figure 6 for Figure 1 Schematic diagram of the cross-sectional structure of the middle handle body.

[0022] Main component numbers:

[0023] 10. Machine tool spindle; 20. Tool handle body; 21. First tool handle body; 22. Second tool handle body; 23. Tool; 24. Rivet connector; 25. Ball valve; 26. Ball valve sealing ring; 27. Seal; 28. Spring chuck; 29. ​​Nut; 30. Transmission assembly; 31. Fixed seat; 32. Transmission member; 40. Magnet assembly; 41. Magnet base; 42. Magnet cover; 43. Magnet; 50. Adjustment member; 60. Force sensor; 71. Cover; 72. Bottom plate; 73. Protection plate; 81. Coil assembly; 82. Mounting plate; 83. Control board; 74. Side plate; 100. Coolant flow channel; 101. First coolant flow channel; 102. Second coolant flow channel; 103. Third coolant flow channel. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments described in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the present invention.

[0025] It should be noted that all directional indications (such as up, down, left, right, front, back, top, and bottom) in the embodiments of the present invention are only used to explain the relative position relationship, movement, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. In addition, the term "vertical" involved in the embodiments of the invention and the claims means that the angle between the two elements is 90° or there is a deviation of -5° to +5°, and the term "parallel" involved means that the angle between the two elements is 0° or there is a deviation of -5° to +5°.

[0026] In the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0027] See also Figure 1 , Figure 2 and Figure 3 The embodiment of the present invention provides a self-powered intelligent tool handle, which is used to be detachably connected to a machine tool spindle 10. The self-powered intelligent tool handle includes: a tool handle body 20, a coil assembly 81, a transmission assembly 30, a magnet assembly 40, a control unit and a sensor assembly.

[0028] The machine tool spindle 10 has a rotating shaft that can be driven to rotate. The tool handle body 20 is used to be connected to the machine tool spindle 10, and can be specifically connected to the rotating shaft, for example. The machine tool spindle 10 is used to drive the tool handle body 20 to rotate, so as to perform cutting processing through the rotation of the tool handle body 20. The coil assembly 81 is arranged around the tool handle body 20, and the coil assembly 81 can rotate with the tool handle body 20. The transmission assembly 30 is used to be connected to the machine tool spindle 10, and the transmission assembly 30 can be, for example, detachably fixed to the machine tool spindle 10, and the magnet assembly 40 is arranged around the tool handle body 20, and the coil assembly 81 is arranged opposite to the magnet assembly 40, and the magnet assembly 40 is connected to the transmission assembly 30, and the transmission assembly 30 can drive the magnet assembly 40 to move along the axial direction of the machine tool spindle 10 to adjust the distance between the magnet assembly 40 and the coil assembly 81. The control unit may also be, for example, arranged on the tool handle body 20, and the control unit is electrically connected to the coil assembly 81. The sensor assembly may also be, for example, arranged on the tool handle body 20, and the sensor assembly is electrically connected to the control unit. The magnet assembly 40 and the coil assembly 81 are arranged relative to each other. When the machine tool spindle 10 drives the tool handle body 20 to rotate, the coil assembly 81 also rotates with the magnet assembly 40, thereby generating an induced current in the induction coil through the electromagnetic induction principle, and the sensor assembly and other electronic components on the tool handle body 20 are powered by the control unit. In addition, the magnet assembly 40 is driven to move along the axial direction of the machine tool spindle 10 by the transmission assembly 30, and the power generation according to different needs is achieved by adjusting the distance between the magnet assembly 40 and the coil assembly 81.

[0029] The embodiment of the present invention sets a coil assembly 81 and a magnet assembly 40 in the self-powered intelligent tool handle, and generates electricity by driving the rotation of the coil assembly 81 through the machine tool spindle 10, so that the sensor assembly and electronic components on the tool handle body 20 can be powered, without replacing batteries or stopping the machine for charging, thereby improving the processing efficiency, and no external power supply is required, so as to achieve the lightweight and simplification of the self-powered intelligent tool handle. In addition, this embodiment drives the magnet assembly 40 to move along the axial direction of the machine tool spindle 10 by setting the transmission assembly 30, and realizes power generation for different needs by adjusting the distance between the magnet assembly 40 and the coil assembly 81, thereby improving the power generation efficiency. Furthermore, through the setting of the sensor assembly, the real-time monitoring of the tool wear state during the processing is realized, the processing accuracy is guaranteed, and the tool life can be predicted, thereby improving the tool utilization rate and reducing the cost.

[0030] See also Figure 4The magnet assembly 40 may include a magnet base 41, a magnet cover 42 and a magnet 43. The magnet 43 may include a plurality of magnets 43, which are arranged between the magnet base 41 and the magnet cover 42 at intervals, and the plurality of magnets 43 may be arranged in a ring shape. Similarly, the coil assembly 81 may include a coil plate, on which a plurality of coils are arranged in a ring shape, and the plurality of coils correspond to the plurality of magnets 43 one by one. Figure 5 In this embodiment, a signal processing module and a current processing module may be provided in the control unit, for example. The signal processing module includes a signal amplification circuit, a signal filtering circuit, an analog-to-digital conversion circuit, and a signal transmission circuit; the current processing module includes a rectification circuit, a DC chopper circuit, etc.

[0031] For example, when the speed of the machine tool spindle 10 is 8000 r / min, the characteristics of the coil assembly 81 are: enameled wire, 20 turns per phase, each phase is fan-shaped, a total of 8 phases, and the total area of ​​8 fan-shaped rings is 1.2×10 -3 m 2 The characteristics of magnet 43 are: material is N52, quantity is 8, shape is rectangular, distance between two pole faces is 5mm, short side length of rectangular magnetic face of permanent magnet is 10mm, long side length of rectangular magnetic face of permanent magnet is 15mm. Then the effective value of induced voltage generated by coil is 80V. The calculation formula of induced voltage E(v) is as follows:

[0032]

[0033] Among them, K Nm ——Air gap magnetic field waveform coefficient; n——Machine tool spindle speed, unit is r / min; N——Number of turns of each phase induction coil; K dp ——fundamental wave winding coefficient; K m ——Permanent magnet end face coefficient; B r ——remanent magnetism of permanent magnet, unit is T; σ——leakage magnetic coefficient; a m ——The short side length of the rectangular magnetic surface of the permanent magnet, in m; b m ——The long side length of the rectangular magnetic surface of the permanent magnet, in m; δ——The length of the air gap, in m; S——The area enclosed by the induction coil, in m 2 .

[0034] In the specific implementation of this embodiment, when the self-powered intelligent knife handle is in working state, the distance between the magnet assembly 40 and the coil assembly 81 is 1 to 5 mm. When the distance between the magnet assembly 40 and the coil assembly 81 is set to 1 to 5 mm, it is convenient to generate induced current and thus improve the power generation efficiency. Figure 1 and Figure 2, the transmission assembly 30 may include, for example, a fixed seat 31 and a transmission member 32. The fixed seat 31 is used to be arranged on the machine tool spindle 10, and the fixed seat 31 can be detachably connected to the machine tool spindle 10. In this embodiment, the fixed seat 31 may be, for example, two semicircular arc structures, which are clamped on the peripheral side of the machine tool spindle 10 by bolts. Of course, this embodiment is not limited to this. The transmission member 32 is connected between the fixed seat 31 and the magnet assembly 40. The transmission member 32 is used to drive the magnet assembly 40 to move along the axial direction of the machine tool spindle 10. The transmission member 32 may be, for example, a cylinder, a hydraulic cylinder, an electric push rod, a ball screw or a linear motor. In a specific embodiment of this embodiment, the number of transmission members 32 may be, for example, two or more, and two or more transmission members 32 may be, for example, arranged at intervals, and they may be, for example, arranged at equal intervals, so as to ensure the balance of the movement of the magnet assembly 40, thereby improving the power generation efficiency.

[0035] Furthermore, the magnet assembly 40 is arranged around one end of the tool handle body 20 close to the machine tool spindle 10, and the tool handle body 20 can be detachably connected to the machine tool spindle 10, so that the self-powered intelligent tool handle can be used for some machine tools to realize the automatic tool changing function of the machine tool. By setting the magnet assembly 40 close to the machine tool spindle 10, when the tool handle body 20 is removed or installed, the magnet assembly 40 can be moved to the side close to the machine tool spindle 10, thereby preventing the magnet assembly 40 from interfering during the process of replacing the tool handle body 20, thereby improving the replacement efficiency of the tool handle body 20.

[0036] See also Figure 2 and Figure 3 , the handle body 20 may be provided with a protective support assembly, which includes a cover plate 71, a mounting plate 82, a protective plate 73, a control plate 83 and a bottom plate 72 arranged in sequence along the axial direction, and a side plate 74 arranged around the cover plate 71 and the bottom plate 72, the coil assembly 81 is arranged between the cover plate 71 and the mounting plate 82, and the control unit is arranged on the control plate 83. The side plate 74 may be provided with a power switch and an indicator light, and the power switch and the indicator light are electrically connected to the control unit respectively. Through the provision of the protective support assembly, the coil assembly 81 and the control unit can be protected and supported, so that the structure can be compact and convenient for electrical connection. In one embodiment of the present embodiment, the cover plate 71 is connected to the handle body 20, the cover plate 71 and the mounting plate 82 are connected to each other, the end face of the mounting plate 82 is provided with a shoulder, and the coil assembly 81 is installed on the shoulder.

[0037] See also Figure 2The sensor assembly may include, for example, a plurality of force sensors 60, which may be, for example, thin film force sensors. The force sensors 60 are electrically connected to the control unit. The handle body 20 is provided with a plurality of planes corresponding to the axial direction of the protection support assembly. The plurality of force sensors 60 are provided on the plurality of planes in a one-to-one correspondence. By providing a plurality of force sensors 60, the state of the handle body 20 may be monitored in real time. Figure 3 The protective plate 73 is provided with a plurality of arched cavities along the circumference, and the force sensor 60 corresponds to the open area. The arched cavity is provided for the force sensor 60, which can strengthen the deformation of the handle body 20 at the force sensor 60 during operation. The sensor assembly may, for example, further include an acceleration sensor, and the self-powered intelligent handle further includes a supercapacitor. The acceleration sensor and the supercapacitor are provided in the arched cavity and are electrically connected to the control unit respectively. By providing the supercapacitor, the excess electrical energy can be stored.

[0038] See also Figure 6 , a coolant flow channel 100 is provided in the handle body 20 along the axial direction, and the coolant flow channel 100 is used to pass coolant, so that the handle body 20 can be cooled and cooled by the coolant, thereby ensuring its processing quality and improving the service life of the handle body 20. At the same time, the self-powered intelligent handle can also be cooled to ensure the stable operation of the self-powered intelligent handle. Further, the coolant flow channel 100 may include, for example, a first coolant flow channel 101, a second coolant flow channel 102 and a third coolant flow channel 103, the first coolant flow channel 101 corresponds to the position of the protection support assembly, the second coolant flow channel 102 is located on the side of the first coolant flow channel 101 close to the magnet assembly 40, and the third coolant flow channel 103 is located on the side of the first coolant flow channel 101 away from the magnet assembly 40, the diameter of the first coolant flow channel 101 is greater than the diameter of the second coolant flow channel, and the diameter of the third coolant flow channel 103 is smaller than the diameter of the second coolant flow channel 102. Since the coil assembly 81, the control unit and the sensor assembly are arranged at the position of the tool handle body 20 corresponding to the protective support assembly, the position of the tool handle body 20 corresponding to the protective support assembly will dissipate heat. By setting the diameter of the first coolant flow channel 101 to be larger than the diameter of the second coolant flow channel, the heat dissipation effect of electronic components such as the coil assembly 81, the control unit and the sensor assembly can be improved; by setting the diameter of the third coolant flow channel 103 to be smaller than the diameter of the second coolant flow channel 102, chip breaking during processing is facilitated.

[0039] In one implementation of this embodiment, see Figure 2 and Figure 6The tool handle body 20 may include, for example, a rivet connector 24, a first tool handle body 21, a second tool handle body 22, a ball valve 25, an adjusting member 50, a spring chuck 28 and a tool 23. The rivet connector 24 is used for detachably connecting the machine tool spindle 10, and the rivet connector 24 is detachably connected to the machine tool spindle 10; the first tool handle body 21 is connected to the rivet connector 24; the second tool handle body 22 is connected to the first tool handle body 21; the ball valve 25 is sealed and connected between the first tool handle body 21 and the second tool handle body 22, and the two sides of the ball valve 25 are sealed and connected to the first tool handle body 21 and the second tool handle body 22 through two ball valve sealing rings 26; the adjusting member 50 is connected to the ball valve 25, and the adjusting member 50 is used to control the coolant flow in the coolant flow channel 100 by controlling the ball valve 25. The spring chuck 28 is sealed and connected to the second handle body 22 through a seal 27 and a nut 29; the tool 23 is detachably connected to the spring chuck 28, and the seal 27 can be, for example, a sealing pad, and the seal 27 can form a single-direction flow channel in the spring chuck 28 and the tool 23. In one implementation of this embodiment, the rivet connector 24, the first handle body 21, the second handle body 22 and the tool 23 are all hollow structures, and the hollow structures are connected to form the coolant flow channel 100, and the tool 23 can be, for example, an internally cooled tool. The self-powered intelligent tool handle is matched with a machine tool spindle with a central water outlet. Through the setting of the coolant flow channel, the coolant enters the coolant flow channel 100 through the rivet connector 24 and then flows out through the tool 23, so that the handle body 20 can be cooled by the coolant, its processing quality is guaranteed, and the service life of the handle body 20 is improved. At the same time, the self-powered intelligent tool handle can also be cooled to ensure the stable operation of the self-powered intelligent tool handle.

[0040] In order to facilitate the understanding of the working process of the self-powered intelligent knife handle provided by the present embodiment, the working process of the self-powered intelligent knife handle provided by the present embodiment is described below by way of example.

[0041] (1) The magnet assembly 40 is mounted on the end of the machine tool spindle 10 , and then the tool holder body 20 with the tool 23 mounted thereon is mounted on the machine tool spindle 10 .

[0042] (2) Press the power switch to turn on the self-powered intelligent tool handle.

[0043] (3) Control the transmission assembly 30 to operate and adjust the position of the magnet assembly 40 so that the magnet assembly 40 is close to the coil assembly 81 on the handle body 20 (so that the distance between the magnet assembly 40 and the coil assembly 81 is in the range of 1 to 5 mm).

[0044] (4) The machine tool spindle 10 rotates, driving the tool holder body 20 and the coil assembly 81 to rotate simultaneously, generating an induced current. The current is rectified (bridge rectifier circuit) to become direct current, and then transformed (direct current chopper circuit) to be transmitted to various sensors and components to power them, while charging the supercapacitor.

[0045] (5) The tool 23 contacts the workpiece, and the cutting force is transmitted to the tool handle body 20, causing it to undergo slight elastic deformation. The deformed surface of the force sensor 60 in the tool handle body 20 generates charges, which are amplified by the charge amplifier and converted into voltage signals. The voltage signals are amplified by the preamplifier and sent to the interference signal filter and suppressor, and then collected by a 32-bit high-speed analog-to-digital converter (32-bit high-speed ADC). The processed signals are sent to a high-speed DSP processor, which then sends the digital signals to a signal transmitter. Finally, a wireless transmission circuit (which may be a Bluetooth module, a WiFi module, a mobile communication module, a network transmission module, etc.) transmits the signals to an external computer.

[0046] (6) The acceleration sensor transmits the collected acceleration signal to the control unit, which processes the signal and sends it to an external computer via wireless transmission.

[0047] (7) The computer monitors the wear state of the tool 23 and predicts the life of the tool.

[0048] (8) During the processing, coolant can be introduced to cool the tool holder body 20.

[0049] (9) When changing the tool, the machine tool spindle 10 is stopped first, the coolant is turned off, the transmission assembly 30 is controlled to retract the magnet assembly 40 to the end of the machine tool spindle 10, the power switch is pressed, the self-powered intelligent tool holder is turned off, and then the tool holder body 20 is removed to complete the tool changing steps.

[0050] Of course, the working process of the above self-powered intelligent knife handle is only a schematic illustration, and the present embodiment is not limited thereto.

[0051] In addition, it can be understood that the aforementioned embodiments are only exemplary descriptions of the present invention. Under the premise that the technical features do not conflict, the structures do not contradict, and the purpose of the present invention is not violated, the technical solutions of the various embodiments can be arbitrarily combined and used in combination.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A self-powered intelligent knife handle, characterized in that: The self-powered intelligent tool handle is used for detachably connecting to the machine tool spindle; the self-powered intelligent tool handle comprises: A tool handle body, used to be connected to the machine tool spindle, and the machine tool spindle is used to drive the tool handle body to rotate; A coil assembly is disposed on the handle body in an annular manner, and the coil assembly can rotate along with the handle body; A transmission assembly, used for being detachably connected to the main shaft of the machine tool; A magnet assembly is arranged in an annular manner on the tool handle body, and the coil assembly is arranged opposite to the magnet assembly. The magnet assembly is connected to the transmission assembly, and the transmission assembly can drive the magnet assembly to move along the axial direction of the machine tool spindle to adjust the distance between the magnet assembly and the coil assembly; A control unit is disposed on the handle body, and the control unit is electrically connected to the coil assembly; The sensor component is arranged on the handle body, and the sensor component is electrically connected to the control unit.

2. The self-powered intelligent knife handle according to claim 1, characterized in that: The transmission assembly comprises: A fixing seat, which is used to be arranged around the main shaft of the machine tool, and the fixing seat is used to be detachably connected to the main shaft of the machine tool; and A transmission member is connected between the fixing seat and the magnet assembly, and the transmission member is used to drive the magnet assembly to move.

3. The self-powered intelligent knife handle according to claim 1, characterized in that: When the self-powered intelligent knife handle is in a working state, the distance between the magnet component and the coil component is 1 to 5 mm.

4. The self-powered intelligent knife handle according to claim 1, characterized in that: The magnet assembly is arranged around one end of the tool handle body close to the machine tool spindle.

5. The self-powered intelligent knife handle according to claim 1, characterized in that: The handle body is also provided with a protective support assembly, which includes a cover plate, a mounting plate, a protective plate, a control plate and a base plate which are sequentially arranged along the axial direction, and a side plate which is arranged around the cover plate and the base plate. The coil assembly is arranged between the cover plate and the mounting plate, and the control unit is arranged on the control plate.

6. The self-powered intelligent knife handle according to claim 5, characterized in that: The sensor assembly includes a plurality of force sensors, and the force sensors are electrically connected to the control unit. The handle body is provided with a plurality of planes corresponding to the circumference of the protection support assembly, and the plurality of force sensors are arranged one by one on the plurality of planes.

7. The self-powered intelligent knife handle according to claim 6, characterized in that: The protective plate is provided with a plurality of arched cavities along the circumference, and the arched cavities are provided corresponding to the force sensors. The sensor assembly further includes an acceleration sensor, and the self-powered intelligent tool handle further includes a supercapacitor. The acceleration sensor and the supercapacitor are provided in the arched cavities and are electrically connected to the control unit respectively.

8. The self-powered intelligent knife handle according to claim 5, characterized in that: A coolant flow channel is provided inside the tool handle body along the axial direction.

9. The self-powered intelligent knife handle according to claim 8, characterized in that: The coolant flow channel includes a first coolant flow channel, a second coolant flow channel and a third coolant flow channel which are connected to each other. The first coolant flow channel corresponds to the position of the protection support assembly, the second coolant flow channel is located on a side of the first coolant flow channel close to the magnet assembly, and the third coolant flow channel is located on a side of the first coolant flow channel away from the magnet assembly. The diameter of the first coolant flow channel is greater than the diameter of the second coolant flow channel, and the diameter of the third coolant flow channel is smaller than the diameter of the second coolant flow channel.

10. The self-powered intelligent knife handle according to claim 8, characterized in that: The handle body comprises: A rivet connector, used for detachably connecting the machine tool spindle; A first handle body connected to the rivet connector; A second handle body connected to the first handle body; a ball valve, sealingly connected between the first handle body and the second handle body; an adjusting member connected to the ball valve, the adjusting member being used to control the coolant flow in the coolant flow channel by controlling the ball valve; A spring chuck is sealed and connected to the second tool handle body through a sealing member; a tool, detachably connected to the spring chuck; Wherein, the rivet connector, the first tool handle body, the second tool handle body and the tool are all hollow structures, and the hollow structures are connected to form the coolant flow channel.

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