TWM584232U - Tool status display device for tool holder - Google Patents

Abstract

The creation is a tool status display device for a tool holder, which includes a ring body and a state display module. The ring-shaped system is used to be fixed on a handle, and the tool status display device is provided on the ring-shaped body, and has a plurality of color lights arranged on the ring-shaped body, an identification unit, a wireless communication unit, and a A calculation storage unit and a power supply unit that control the light sources of each color lamp; thereby, the calculation storage unit can control each color lamp according to the state of the tool on the handle, so that the user can determine whether the tool is on the basis of the color of the light emitted by the color lamp. Tool status.

Description

Tool status display device for tool holder

This creation relates to a tool status display device for a handle, especially a device that can display different colors of lights according to the status of the tool.

Tool is an important tool for CNC machining, and it is a relatively expensive consumable resource, and there are many types of tools, which is very inconvenient in management and scheduling.

At present, the more commonly used methods for establishing the identity of the tool holder and the tool are RFID (Radio Frequency Identification) and QR CODE. However, the use of RFID to establish the identity of a tool has the disadvantage of destroying the tool holder and drilling the RFID by drilling. It is embedded in the tool, and the dynamic balance correction and adjustment of the tool needs to be performed again after the completion. Although QR CODE does not need to destroy the tool, it can be written on the tool using laser engraving, but it will still be identified by wear or oil due to long-term use The problem caused the QR CODE to be unreadable.

In terms of data recording, when the current tool is placed on the processing machine, it is necessary to identify the identity first, and connect the controller to record the current processing time and usage times in computer programs and databases, or manually write the current tool Use time, the process is tedious, and it is often impossible to correctly record the use time and number of times in a specific tool; and in terms of tool recovery and maintenance, after the processing is completed, the current tool status needs to be recovered and recorded, and then the tool inspection through the line Instrument detection to detect the current wear status or damage of the tool.

In addition, when the tool is worn out or broken, it is usually necessary for an experienced master to observe and judge the processing sound or processing quality. If it is not detected in time, it will often cause defective products.

In view of this, the creator of this case then used his many years of experience in related design practice to actively research and improve, and after repeated physical sample production and testing, and then specifically improved the above-mentioned shortcomings of the practice, he finally completed the creation.

In order to overcome the above disadvantages, the present invention provides a tool status display device for a handle, which can display colored lights of different colors for users to judge the current tool status.

The tool mounting state display device for a tool holder of the present invention includes: a ring body and a tool status display module; the ring-shaped system is used to be fixed on a tool holder, and the tool holder is used to hold a tool, and Installed on the main shaft of a processing machine; the tool status display module is set on the ring body, and has a plurality of color lights with different color lights, a light guide ring, an identification unit, a wireless communication unit, A calculation storage unit and a power supply unit; a plurality of color lamps are arranged on the ring body at intervals, and extend radially outward to expose the outer surface of the ring body, and the light guide ring is fixed to the ring body On the outer surface and outside the plural color lights; the identification unit is provided on the ring body to establish and send the identification information of the handle; the wireless communication unit is used to receive and transmit signals; the operation is stored The department is used to process the signals received and transmitted by the wireless communication department, the calculation of the tool-related algorithms, the storage of the tool-related information, the detection of the power supply of the power supply department, and the control of multiple colored lights; and Power supply lines for the tool to the desired power state of the display apparatus.

The following are specific examples and detailed descriptions with drawings, so that the review members have a better understanding of the technical characteristics of this creation.

As shown in FIG. 1 to FIG. 4, the present invention is a tool status display device 100 for a tool holder, which includes a ring body 10 and a tool status display module 20.

Regarding the ring body 10, it is used to be fixed on a handle 70, which is used to hold a tool 71 (such as a milling cutter, a turning tool and other processing tools), and is installed on the spindle of a processing machine. 75 (see Figure 5). In design, the ring body 10 can be fixed by combining a pair of semi-circular bodies 101 symmetrical to each other. As shown in FIG. 2, each semi-circular body 101 is provided with a contact 101A at each end. A magnet is arranged in the point 101A, so as to achieve mutual magnetic fixation, so that the pair of semi-circular bodies 101 can be quickly disassembled. Of course, the combination and fixing method of the pair of semi-circular bodies 101 may also be screw locks, snap-fits, etc. (this is a common fixing technique for general mechanisms, and will not be described in detail here).

The cutter status display module 20 is disposed on the ring body 10. The tool status display module 20 is a color light 21 with a plurality of different color lights, a light guide ring 211, an identification unit 22, a wireless communication unit 23, a calculation storage unit 24, and a power supply unit 25.

A plurality of color lamps 21 are arranged on the ring body 10 at intervals, and extend radially outward to expose the outer surface of the ring body 10, and the light guide ring 211 is ring-shaped and fixed outside the ring body 10. On the surface and outside the plurality of color lamps 21. In design, this embodiment is provided with five color lights, which are red, orange, yellow, green, and blue. When one of the color lights 21 emits light, its light source can fill the light guide ring 211 to form a ring light, and further Increase its recognition.

The identification unit 22 is used to establish and send the identification information of the knife handle. The identification unit 22 is composed of a plurality of strip-shaped radio frequency identification tags, which are ring-shaped and placed outside the ring-shaped body 10, which can increase the sense of Measure the range angle without destroying the handle 70. A radio frequency identification (RFID) tag is a combination of a radio frequency identification chip and a tag antenna. The antenna receives the radio communication signal of the radio frequency identification reader and transmits or updates the radio frequency identification chip. Internally recorded information or identification code.

The wireless communication unit 23 is used for receiving and transmitting signals, and the transmission method may include short-distance transmission and long-distance transmission, such as: WiFi, Bluetooth, Zigbee, NB-IOT, LoRa, WiMAX, UWB and other transmission technologies.

The operation storage unit 24 is used to process the signals received and transmitted by the wireless communication unit 23, the calculation of the tool-related algorithms, the storage of the tool-related information, the detection of the power of the power supply unit 25, and the control of the multi-color light 21; the operation storage Department 24 is a single chip with a central processing unit (for example: NB-IOT); tool-related algorithms include: calculation and prediction of tool life, detection and prediction of tool wear, detection and prediction of tool breakage, and inspection of broken tools Know and predict, and can store related tool information such as: the number of times the tool is used, the time the tool is used, the cutting distance of the tool, the tool history (personnel records, processing procedures, installation machine), tool compensation values, etc.

The power supply unit 25 is a battery (such as a button-type battery), and is used to supply power required by the tool status display device 20.

In this work, the weights of the components are assembled in an even and symmetrical manner to avoid uneven weights that affect the machining accuracy of the tool; for example, the power supply unit 25 is installed on one of the semicircular bodies 101, and the wireless communication The unit 23 and the operation storage unit 24 are installed on the other semicircular body 101 (the weight of the wireless communication unit 23 plus the operation storage unit 24 is equal to the weight of the power supply unit 25), and the plurality of color lights 21 are arranged evenly Mounted on the outer ring surface of the ring body 10.

Please refer to FIG. 5 to FIG. 7. The creation may further include a tool compensation driving unit 30 and a sensing device 40. The tool compensation driving unit 30 is ring-shaped and is provided on the ring body 10 to compensate for the error of the tool 71 on the tool holder 70. The tool compensation driving unit 30 is a miniature driving device such as a piezoelectric Driving device, voice coil motor, stepping motor, servo motor, etc .; the sensing device 40 is connected to the processing machine (it can be installed on or around the processing machine, in the embodiment of FIG. 7, the The sensing device 40 is connected to the processing platform 76 of the processing machine), and is used for sensing the change of the spindle current of the processing machine or the cutting force of the cutting tool 71 on the tool holder 70, and transmitting a sensing signal to the wireless communication The unit 23 analyzes the calculation through the calculation storage unit 24 and controls the change of the color lamp 21.

For example, this creative department can be equipped with 5 color lights, which are red, orange, yellow, green, and blue. When one of the color lights 21 emits light, its light source system can fill the light guide ring 211. The red light indicates that the tool is broken. Or broken, the orange light indicates that the tool wear on the handle 70 has reached the preset warning value, the yellow light indicates that the tool is currently being sought, the green light indicates that the tool 71 on the handle 70 is in normal use, and the blue light indicates that the power supply unit 25 is powered Close to low battery.

In use, the multiple tool holders 70 of the first tool magazine are respectively installed with the tool display device 100 for the tool holder created by this tool. When the processing staff is ready to receive the tool holder and find the tool, the current work order or data can be read through a scanning device. The library determines the knife handle that should be received at present (the identification unit 22 on the knife handle that should be received will send the identification information of the knife handle to the scanning device), and then the scanning device determines the identity of the knife handle and transmits it by wireless signal Send a signal to the wireless communication unit 23, and after the processing and storage unit 24 analyzes and processes it, control the yellow color lamp 21 to light up, so that the processing staff can quickly identify and receive the knife handle 70.

During toolholder recovery and maintenance, relevant information can be transmitted to the current toolholder 70 through the current relevant tool management software and information storage device. If the tool 71 on the toolholder 70 is still in the usable range When the machining workpiece can still be cut normally, the calculation storage unit 24 controls the green color light to light up, indicating that the tools on the tool holder 70 can still be used.

When the wear of the tool 71 reaches the set alert value, the relevant information can be transmitted to the current tool holder 70 through the wireless transmission system through the current related tool management software and information storage device. After analysis and processing by the calculation storage unit 24, The orange color control lamp 21 lights up, reminding the on-site processing staff to compensate the tool parameters as soon as possible.

When the tool 71 is damaged or broken, the calculation storage unit 24 may use a signal transmitted by the sensing device 40 to analyze that the tool 71 is broken or broken, and then control the red color light 21 to light. Remind the processing personnel to change the tool; In addition, this creation can also be set to make the calculation storage unit 24 control the wireless communication unit 23 to send a warning signal to an alarm device or communication when the red color light 21 is on. Devices (such as alarms or messages) to achieve a variety of warnings. Of course, if the processing machine is an automated production line, the peripheral central control system can be triggered to stop processing by transmitting the warning signal, thereby reducing the occurrence of scrap products.

And when the power of the battery (that is, the power supply unit 25) is close to low power, the calculation storage unit 24 controls the blue color light 21 to light up to remind the processing staff to replace the battery; In addition, this creation can also be set by using The arithmetic storage unit 24 controls the wireless communication unit 23 to send a notification signal to a communication device (such as Email) when the blue color lamp 21 is turned on, thereby achieving various warnings and reminders.

In addition, the calculation storage unit 24 can also calculate the tool wear value by using the sensing signal sensed and transmitted by the sensing device 40, and then control the driving of the tool compensation driving unit 30 to compensate the corresponding displacement amount, reducing The machining error caused by the abrasion of the tool 71; the compensation of the lower tool nose error is compensated by using a micro drive device. In the future, the corresponding displacement (micron-level displacement compensation) can be directly compensated without connecting the CNC controller.

From the above detailed description, those skilled in the art can understand that this creation can indeed achieve the aforementioned purpose, and it has indeed complied with the provisions of the Patent Law, and filed a new patent application.

100‧‧‧ Tool status display device for tool holder
10‧‧‧ ring body
101‧‧‧ Semi-circular body
101A‧‧‧Contact
20‧‧‧ Tool status display module
21‧‧‧color light
211‧‧‧Halo
22‧‧‧Identification Department
23‧‧‧Wireless Communication Department
24‧‧‧ Operation and Storage Department
25‧‧‧Power Supply Department
30‧‧‧Tool compensation drive unit
40‧‧‧ sensing device
70‧‧‧ knife handle
71‧‧‧tool
75‧‧‧ spindle
76‧‧‧Processing platform

Figure 1 is a schematic diagram of the creation fixed to the handle. Figure 2 is a schematic diagram of the appearance of the tool status display device used for the handle. Figure 3 is an exploded schematic view of the tool status display device used for the handle. An exploded view of the drawing Figure 5 is an exploded view of the tool compensation driving part and the tool holder of the original creation Figure 6 is a schematic view of the tool compensation driving part fixed to the tool holder of the original creation Fig. 7 is a schematic view of the sensing device connected to the processing platform

Claims (7)

A tool status display device for a handle includes a ring-shaped body that is fixed on a handle, the handle is used to hold a tool and is mounted on a spindle of a processing machine; Tool status display module, which is set on the ring body; the tool status display module is a color light with a plurality of different color lights, a light guide ring, an identification unit, a wireless communication unit, and a calculation storage unit And a power supply unit; a plurality of color light systems are arranged on the ring body at intervals, and extend radially outward to expose the outer surface of the ring body, and the light guide ring is fixed on the outer surface of the ring body and It is located outside the plural-colored lights; the identification unit is set on the ring body to establish and send the identification information of the handle; the wireless communication unit is used to receive and transmit signals; the operation storage unit is used to Processing the signals received and transmitted by the wireless communication department, calculation of tool-related algorithms, storage of tool-related information, detection of the power of the power supply department, and control of multiple colored lights; and the power supply department The tool used for the power required by the status display means. The tool status display device for a tool holder as described in item 1 of the scope of patent application, wherein the identification unit is composed of multiple radio frequency identification tags. The tool status display device for a tool holder as described in item 1 of the scope of the patent application, wherein the ring-shaped system is formed by combining and fixing a pair of semi-circular bodies symmetrical to each other. As shown in item 3 of the scope of the patent application, a tool status display device for a handle, wherein the combination and fixing method of the pair of semi-circular bodies is one of magnetic attraction, screw lock, and engagement. The tool status display device for a tool holder as described in item 1 of the scope of the patent application, further comprising a tool compensation driving section; the tool compensation section is provided on the ring body to perform a tool error on the tool holder. Displacement compensation. The tool status display device for a tool holder as described in item 5 of the scope of patent application, wherein the tool compensation driving section is a micro driving device, and the micro driving device is a piezoelectric driving device, a voice coil motor, a step One of the input motor and servo motor. The tool status display device for a tool holder as described in item 1 of the scope of the patent application, which further includes a sensing device connected to the processing machine to sense the change in the spindle current of the processing machine and the tool holder. The cutting force of the tool changes, and a sensing signal is transmitted to the wireless communication unit. After the calculation is analyzed by the calculation storage unit, the change of the color light is controlled.