Intelligent cutter handle, intelligent cutter handle cutting force acquisition system and numerical control machine tool
By integrating intelligent tool holders into CNC machine tools, the data on the force applied to the tool is collected and transmitted in real time, solving the problem of low intelligence in tool holders and improving machining quality and stability.
Patent Information
- Application Number
- CN202520060164.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-10
AI Technical Summary
The low level of intelligence in the tool holders of existing CNC machine tools leads to difficulties in processing materials, substandard metal removal rates, and frequent malfunctions, resulting in time and financial losses.
Design an intelligent tool holder that integrates components such as strain gauges, FPC motherboards, battery packs, and magnetic charging heads to collect multi-directional force data of the tool and transmit it to external devices in real time, thereby improving machining quality.
It enables real-time acquisition and transmission of tool force data, improving the machining quality of CNC machine tools. It has a stable structure and is easy to use and recharge.
Smart Images

Figure CN223699379U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to an intelligent tool shank, an intelligent tool shank cutting force acquisition system and a numerical control machine tool. BACKGROUND
[0002] A numerical control machine tool (CNC for short) is an automatic machine tool using computer control technology, which realizes high-precision and high-efficiency machining by controlling the movement and work of the machine tool through a computer program.
[0003] An operator writes a numerical control program according to the machining requirements of a workpiece and inputs the program into a numerical control system. The numerical control system decodes, calculates and processes the program to obtain information such as the relative movement trajectory of the tool and the workpiece and process parameters. The numerical control system sends control instructions to a servo system according to the processed program information. The servo system drives a servo motor, and through a transmission system, the rotation of the motor is converted into the translation of the machine tool table or the rotation of the spindle, so that the tool cuts according to the predetermined trajectory and parameters.
[0004] Today's high-precision machining industry is facing challenges in tool shanks - it is difficult to machine materials, and the metal removal rate does not meet the requirements. In these cases, the tool shank must perform perfectly and provide stable cutting force, because in the high-precision machining industry, any failure of a tool shank at any stage will result in huge losses in time and money.
[0005] Currently, the tool shank used by the numerical control machine tool has low intelligence. CONTENT OF THE UTILITY MODEL
[0006] The utility model solves the technical problem of overcoming the defect of low intelligence of the tool shank of the numerical control machine tool in the prior art and provides an intelligent tool shank, an intelligent tool shank cutting force acquisition system and a numerical control machine tool that can acquire multi-directional force data of the tool and transmit the data to an external device in real time, the external device can acquire the data in real time, improve the machining quality of the numerical control machine tool, and the intelligent tool shank has stable and firm structure, is convenient to use and charge.
[0007] The utility model solves the above technical problems through the following technical solutions:
[0008] An intelligent tool shank for a numerical control machine tool, characterized in that the intelligent tool shank comprises a tool shank body, a plurality of strain gauges, a battery pack, an FPC mainboard, a fixed shell, a tool shank nut, a magnetic charging head and a plastic support,
[0009] The strain gauges are fixed around the outer wall of the tool shank body;
[0010] The FPC mainboard is arranged on the outer side of the strain gauges;
[0011] The battery is arranged outside the FPC mainboard;
[0012] The fixed shell fixes the FPC mainboard and the battery on the outer wall of the handle body;
[0013] The magnetic charging head is arranged at the bottom of the plastic support, and the plastic support is arranged in the fixed shell;
[0014] The battery is electrically connected with the magnetic charging head and the FPC mainboard through a conductor respectively, and the strain gauge is electrically connected with the FPC mainboard.
[0015] Preferably, the battery comprises a plurality of battery blocks, and the battery blocks and the FPC mainboard are arranged in a C shape in the fixed shell.
[0016] Preferably, the plastic support is arranged at the C-shaped opening position of the battery blocks and the FPC mainboard, and the length direction of the plastic support is parallel to the axis of the handle body.
[0017] Preferably, the intelligent handle further comprises an indicator lamp, the indicator lamp is arranged on the side surface of the plastic support, the fixed shell is provided with a light transmission hole matched with the indicator lamp, and the indicator lamp is electrically connected with the FPC mainboard.
[0018] Preferably, the material of the fixed shell is epoxy resin, the strain gauge is arranged on the inner side wall of the fixed shell, and the FPC mainboard, the battery and the plastic support are all wrapped by the fixed shell.
[0019] Preferably, the bottom end face of the fixed shell is provided with an identification element, and the position of the identification element corresponds to the position of the magnetic charging head.
[0020] Preferably, the intelligent handle comprises a wireless transmission module, a signal conditioning module, a data processing module and an integrated voltage stabilizer.
[0021] The utility model also provides a kind of intelligent handle cutting force acquisition system, the intelligent handle cutting force acquisition system includes the intelligent handle as described above, and the intelligent handle cutting force acquisition system further includes a processing terminal, the strain gauge transmits sensor data to signal conditioning module, the signal conditioning module transmits the sensor data after conditioning to the data processing module, the data processing module transmits sensor data to the wireless transmission module, and the wireless transmission module transmits sensor data to the processing terminal.
[0022] Preferably, the magnetic charging head is connected with the integrated voltage stabilizer, the integrated voltage stabilizer is connected with the wireless transmission module, the signal conditioning module, the data processing module and the indicator lamp, and the indicator lamp is connected with the data processing module.
[0023] The utility model also provides a numerical control machine tool, the numerical control machine tool includes the intelligent tool holder as above described, or,
[0024] The numerical control machine tool includes the intelligent tool holder cutting force acquisition system as above described.
[0025] On the basis of conforming to the common sense of the art, the above-mentioned preferred conditions can be combined arbitrarily, that is, the preferred examples of the utility model are obtained.
[0026] The positive progress effect of the utility model is that:
[0027] The utility model can collect multi-directional force data of the tool and transmit the data to the external device in real time, the external device can acquire the data in real time, improve the machining quality of the numerical control machine tool, and the structure of the application is stable, firm, convenient to use and charge. BRIEF DESCRIPTION OF DRAWINGS
[0028] Fig. 1 It is the structure schematic view of the intelligent tool holder cutting force acquisition system of the utility model embodiment 1.
[0029] Fig. 2 It is the structure schematic view of the intelligent tool holder of the utility model embodiment 1.
[0030] Fig. 3 It is another structure schematic view of the intelligent tool holder of the utility model embodiment 1.
[0031] Fig. 4 It is the sectional structure schematic view of the intelligent tool holder of the utility model embodiment 1. DETAILED DESCRIPTION
[0032] The utility model will be further described by the mode of embodiment below, but the utility model is not limited in the embodiment range of the embodiment.
[0033] Embodiment 1
[0034] In this embodiment, the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0035] Refer to Figs. 1 to 4The embodiment provides a numerical control machine tool, which comprises an intelligent tool holder cutting force acquisition system, the intelligent tool holder cutting force acquisition system comprises an intelligent tool holder and a processing terminal. In other embodiments, the numerical control machine tool comprises an intelligent tool holder and a processing terminal, that is, the intelligent tool holder and the processing terminal can be used as the intelligent tool holder cutting force acquisition system.
[0036] The intelligent tool holder comprises a tool holder main body 11, a plurality of strain gauges 12, a battery pack 13, an FPC mainboard 14, a fixed shell 15, a tool holder nut 16, a magnetic charging head 17 and a plastic support 18.
[0037] The strain gauges are fixed around the outer wall of the tool holder main body, and in the embodiment, the number of the strain gauges is 4, which are fixed around the outer wall of the tool holder main body at an angle of 90 degrees.
[0038] The FPC mainboard is arranged on the outer side of the strain gauges.
[0039] The battery pack is arranged on the outer side of the FPC mainboard.
[0040] The fixed shell fixes the FPC mainboard and the battery pack on the outer wall of the tool holder main body.
[0041] The magnetic charging head is arranged at the bottom of the plastic support, and the plastic support is arranged in the fixed shell.
[0042] The battery pack is electrically connected with the magnetic charging head and the FPC mainboard through conductors respectively, and the strain gauges are electrically connected with the FPC mainboard.
[0043] The battery pack 13 comprises a plurality of battery blocks 131, and the battery blocks 131 and the FPC mainboard are arranged in a C shape in the fixed shell.
[0044] The strain gauges can be bent, the battery blocks can be connected in series through wires, and the C shape is formed in the fixed shell, and the plastic support is arranged at a position.
[0045] The plastic support is arranged at the C-shaped opening position of the battery blocks and the FPC mainboard, and the length direction of the plastic support is parallel to the axis of the tool holder main body. The plastic support can adjust the weight, so as to meet the dynamic balance during rotation.
[0046] The intelligent tool holder further comprises an indicator lamp 19, the indicator lamp is arranged on the side surface of the plastic support, the fixed shell is provided with a light transmission hole 151 matched with the indicator lamp, and the indicator lamp is electrically connected with the FPC mainboard.
[0047] The material of the fixed shell is epoxy resin, the strain gauges are arranged on the inner wall of the fixed shell, and the FPC mainboard, the battery pack and the plastic support are wrapped by the fixed shell.
[0048] The epoxy resin encapsulates the FPC mainboard, the battery pack and the plastic support by using a clamp, and the clamp is removed after the epoxy solidifies, so as to obtain the fixed shell wrapping the FPC mainboard, the battery pack and the plastic support.
[0049] The bottom end surface of the fixed shell is provided with an identification element 152, and the position of the identification element 152 corresponds to the position of the magnetic charging head.
[0050] The intelligent handle includes a wireless transmission module 21, a signal conditioning module 22, a data processing module 23 and an integrated voltage stabilizer 24.
[0051] The wireless transmission module 21, the signal conditioning module 22, the data processing module 23 and the integrated voltage stabilizer 24 can be integrated on the FPC mainboard.
[0052] The strain gauge transmits sensor data to the signal conditioning module;
[0053] The signal conditioning module transmits the conditioned sensor data to the data processing module;
[0054] The data processing module transmits sensor data to the wireless transmission module;
[0055] The wireless transmission module transmits sensor data to the processing terminal 31.
[0056] The magnetic charging head is connected to the integrated voltage stabilizer, and the integrated voltage stabilizer is connected to the wireless transmission module, the signal conditioning module, the data processing module and the indicator light.
[0057] The indicator light can be an LED, etc., which can be used to display whether the power supply is working, whether the voltage is normal, whether the wireless data is transmitting, etc.
[0058] As can be seen from the structural schematic diagram of the intelligent handle cutting force acquisition system, the external device includes a power supply, a wireless data transmission module and an external data processing device.
[0059] The intelligent handle includes an integrated voltage stabilizer module, a wireless data transmission module, a data acquisition and processing module and an indicator light. By using existing programming means, the signal processing module performs appropriate filtering, amplification and other processing on the signals collected by the sensor, performs analog-to-digital conversion, and sends the data to the data processing module for data analysis and calculation. The results of the analysis and calculation of the data processing module control the execution module to perform corresponding execution actions, and on the other hand, the results are sent to the wireless receiving device in a wireless manner. The wireless receiving device can display and record the received data on the software and obtain the data collected by the handle.
[0060] Although the specific embodiments of the present application are described above, those skilled in the art should understand that these are only illustrative, the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present application, but these changes and modifications all fall within the protection scope of the present application.
Claims
1. An intelligent tool holder for a numerically controlled machine tool, characterized by The intelligent handle comprises a handle body, a plurality of strain gauges, a battery pack, an FPC mainboard, a fixing shell, a handle nut, a magnetic charging head and a plastic support, The strain gauges are fixed around the outer wall of the handle body; The FPC mainboard is arranged outside the strain gauges; The battery pack is arranged outside the FPC mainboard; The fixing shell fixes the FPC mainboard and the battery pack on the outer wall of the handle body; The magnetic charging head is arranged at the bottom of the plastic support, and the plastic support is arranged in the fixing shell; The battery pack is electrically connected with the magnetic charging head and the FPC mainboard through conductors, and the strain gauges are electrically connected with the FPC mainboard.
2. The intelligent shank of claim 1, wherein, The battery pack comprises a plurality of battery blocks, and the battery blocks and the FPC mainboard are arranged in a C shape in the fixing shell.
3. The intelligent shank of claim 2, wherein, The plastic support is arranged at the C-shaped opening position of the battery blocks and the FPC mainboard, and the length direction of the plastic support is parallel to the axis of the handle body.
4. The intelligent shank of claim 3, wherein, The intelligent handle further comprises an indicator light arranged on the side surface of the plastic support, the fixing shell is provided with a light transmission hole matched with the indicator light, and the indicator light is electrically connected with the FPC mainboard.
5. The intelligent shank of claim 1, wherein, The fixing shell is made of epoxy resin, the strain gauges are arranged on the inner wall of the fixing shell, and the FPC mainboard, the battery pack and the plastic support are wrapped by the fixing shell.
6. The intelligent shank of claim 1, wherein, An identification element is arranged on the bottom end surface of the fixing shell, and the position of the identification element corresponds to the position of the magnetic charging head.
7. The intelligent shank of any of claims 1 to 6, wherein, The intelligent handle comprises a wireless transmission module, a signal conditioning module, a data processing module and an integrated voltage stabilizer.
8. A smart tool holder cutting force acquisition system, characterized in that, The intelligent handle cutting force acquisition system comprises the intelligent handle according to claim 7, further comprises a processing terminal, the strain gauges transmit sensor data to the signal conditioning module, the signal conditioning module transmits the conditioned sensor data to the data processing module, the data processing module transmits sensor data to the wireless transmission module, and the wireless transmission module transmits sensor data to the processing terminal.
9. The smart tool holder cutting force acquisition system of claim 8, wherein, The magnetic charging head is connected with the integrated voltage stabilizer, the integrated voltage stabilizer is connected with the wireless transmission module, the signal conditioning module, the data processing module and the indicator light, and the indicator light is connected with the data processing module.
10. A numerically controlled machine tool, characterized by comprising: The numerical control machine tool comprises the intelligent handle according to any one of claims 1 to 7; or, The numerical control machine tool comprises the intelligent handle cutting force acquisition system according to claim 8 or 9.