CN217991862U - Length measuring device for external cutter of automatic machine - Google Patents
Length measuring device for external cutter of automatic machine Download PDFInfo
- Publication number
- CN217991862U CN217991862U CN202220726084.7U CN202220726084U CN217991862U CN 217991862 U CN217991862 U CN 217991862U CN 202220726084 U CN202220726084 U CN 202220726084U CN 217991862 U CN217991862 U CN 217991862U
- Authority
- CN
- China
- Prior art keywords
- switch
- motor
- module
- touch
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to an automatic external cutter length measuring device, a touch switch is fixedly arranged at one end of a switch bracket, and the switch bracket is fixed on a motor module and moves linearly along with the motor module; the motor module is fixed on the base through the module support, the to-be-tested knife handle is adjustably fixed on the knife handle support, and the touch switch and the axis of the to-be-tested knife handle are kept on the same straight line; the calibration switch is installed on the module support and is just opposite to the other end of the switch support far away from the touch switch, and the micro control unit outputs a control signal to the motor driver to control the motor to work and receives the switch signal and the motor motion data of the touch switch and the calibration switch. Compared with tens of thousands of yuan equipment, the device has the advantages that the required cost is greatly reduced, and the accuracy can meet the tool setting requirement of a numerical control machining center.
Description
Technical Field
The utility model relates to a numerical control processing technology, in particular to automatic machine outer cutter length measurement device.
Background
Before a part is machined by using a numerical control machining center, tool setting operation is an important link, installation and parameter input of a plurality of tools need to be completed, for a machine tool without a tool setting gauge, tools such as a Z-axis setter, a standard gauge block and a feeler gauge are generally used for preliminarily and manually measuring the length of the tool when the tool length is set, the process is time-consuming and labor-consuming, is not easy to be accurate, and a workpiece needs to be trial-cut to finally determine the parameters of the tool.
The tool setting gauge can quickly measure parameters of the tool, save tool setting time and improve the use efficiency of the machine tool. The tool setting gauge is divided into an internal tool setting gauge and an external tool setting gauge. The built-in tool setting gauge is connected with a machine tool numerical control system, when the tool setting is carried out, the moving tool is contacted with the tool setting probe, the high-precision switch is triggered, the switch sends an on-off signal, and the on-off signal is transmitted to the numerical control system to carry out operation, compensation and storage on the tool parameter. The built-in tool setting gauge is usually integrated into a numerical control system before the machine tool leaves a factory, is convenient to operate and has high integration level with the system, but has the defect that the cost of the machine tool is greatly increased. Another convenient method is to use the tool setting gauge outside the machine to obtain the parameters of the tool in advance and directly input the parameters into the machine tool system. The off-machine tool setting gauge usually adopts the principle of non-contact optical measurement, a tool shank of a clamped tool is placed on a standard workbench, the tool tip of the tool is amplified by an optical means, an operation knob is adjusted to finish focusing and positioning of the tool tip, and parameters of the tool can be directly read on the tool setting gauge. The off-machine tool setting gauge is rapid and accurate, but the manufacturing cost is high.
Disclosure of Invention
Aiming at the problems of tool parameter measurement when a numerical control machining center is used, the length measuring device for the external tool of the automatic machine is provided.
The technical scheme of the utility model is that: a length measuring device for an external cutter of an automatic machine comprises a micro control unit, a cutter handle support, a motor module, a switch support, a module support, a touch switch and a calibration switch; the touch switch is fixedly arranged at one end of the switch bracket, and the switch bracket which moves linearly along with the motor module is fixed on the motor module; the motor module is placed and fixed on the module bracket, the to-be-measured tool holder can be adjustably fixed on the tool holder support, and the touch switch and the axis of the fixed to-be-measured tool holder are in the same straight line; the calibration switch is arranged on the module bracket and is opposite to the other end of the switch bracket far away from the touch switch; the micro control unit outputs a control signal to the motor driver to control the motor to work, and receives a switch signal of the touch switch and the calibration switch and motor motion data.
Preferably, the motor module comprises a motor, a screw rod and a base, the bottom of the switch bracket is meshed with the screw rod, the motor rotates to drive the screw rod to rotate, and the switch bracket moves linearly under the action of the screw rod.
Preferably, the touch switch and the calibration switch are connected to the micro control unit via pull-up resistors.
Preferably, the length measuring device for the external cutter of the automatic machine further comprises a touch display screen, and the micro control unit and the touch display screen are communicated through SPI (serial peripheral interface) for real-time interaction.
Preferably, the touch display screen comprises a one-key start key, a display of a current measurement value and a display of a historical measurement value.
Preferably, the device for measuring the length of the cutter outside the automatic machine further comprises a base, and the cutter handle support, the module support and the micro control unit are all fixed on the base.
The beneficial effects of the utility model reside in that: the utility model discloses automatic machine outer cutter length measurement device compares in tens of thousands yuan's equipment now, the required cost greatly reduced of the device to the tool setting demand of numerical control machining center also can be satisfied to the precision.
Drawings
Fig. 1 is the structure schematic diagram of the external cutter length measuring device of the automatic machine of the utility model.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
An automatic machine tool length measuring device which is driven by a motor and has low cost, simple and convenient operation and reliable precision. The device comprises a touch display screen 1, a calibration switch 2, a switch bracket 3, a touch switch 4, a knife handle support 6, a base 7, a motor module 8, a module bracket 9 and a micro control unit 10.
The touch switch 4 and the calibration switch 2 are connected with the micro control unit 10 through pull-up resistors, and the pull-up resistors can effectively prevent the shaking phenomenon of the switches so as to accurately judge whether the movement is in place.
The touch display screen 1 is provided with a start key, a current measurement value, a historical measurement value and the like, and can realize multiple measurements. The cutter length can be automatically measured after the cutter length measuring device is started by one key, and a measuring result is displayed on the touch display screen, so that complicated manual cutter setting operation is avoided.
After the one-key starting, the device firstly calibrates, the switch support 3 retreats under the driving of the motor 11, the calibration switch 2 is triggered to serve as a measurement starting point, the pulse number of the motor 11 is recorded, then the motor 11 drives the switch support 3 to move towards the direction of the knife handle 5 until the touch switch 4 is contacted with a tool to be measured, the pulse counting is stopped, then the motor module 8 returns to the starting position, one-time measurement is completed, and a test result is displayed on the touch display screen 1. Multiple times can be measured, and historical measurement data can be stored and displayed.
And the interaction between the micro control unit and the touch display screen is realized by using SPI communication. And realizing a user interaction interface by using functions provided by an LCD library: one key initiates the display of the key, the current measurement and the historical measurement.
The process of measuring the length of the cutter is as follows: the device is calibrated firstly by pressing a start key on the touch display screen 1, the switch support 3 retreats under the drive of the motor 11, the calibration switch 2 is triggered to serve as a measurement starting point, the pulse number of the motor 11 is recorded, then the motor 11 drives the switch support 3 to move towards the direction of the knife handle 5 until the touch switch 4 contacts with a tool to be measured, a signal is sent out, and pulse counting is stopped. And then the motor module 8 returns to the initial position to complete one-time measurement, and the test result is displayed on the touch display screen.
The step angle of the motor 11 is recorded as alpha, the pulse number is recorded as N, the pitch is recorded as p, the subdivision is recorded as N, when the calibration switch is pressed down, the distance between the touch switch 4 and the bottom of the cone of the knife handle 5 is recorded as L total Length L of tool to be measured tool Can be calculated by the following formula (1), L total Measured in advance and set in the system. The average value is taken for a plurality of tests.
L total Measurement: the length of a cutter is measured by using a traditional method, and is corrected through precision machining verification, the precision can reach 0.0001mm, and the length is recorded as a calibrated length L calibration . Placing the knife handle with the calibrated knife on the knife handle support 6, pressing the start key to operate the program and recording the number N of pulses required by the motor 11 to operate from the trigger calibration switch 2 to the trigger touch switch 4 1 The pitch is denoted by p 1 Subdivision is denoted by n 1 L can be tested by equation (2) total ，L total For system parameters, the testing device only needs to measure once when being used for the first time, and the tested parameters are set in the system as device parameters.
The device can be used for carrying out linear measurement on controllable accurate rotation, the precision required by the length measurement of the numerical control machining tool is ensured, a touch switch and a calibration switch are arranged, the test reference is simplified, fewer components are used, and the test is simple and convenient.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The automatic machine external cutter length measuring device is characterized by comprising a micro control unit, a cutter handle support, a motor module, a switch support, a module support, a touch switch and a calibration switch; the touch switch is fixedly arranged at one end of the switch bracket, and the switch bracket which moves linearly along with the motor module is fixed on the motor module; the motor module is placed and fixed on the module support, the to-be-tested knife handle is adjustably fixed on the knife handle support, and the touch switch and the axis of the fixed to-be-tested knife handle are on the same straight line; the calibration switch is arranged on the module bracket and is opposite to the other end of the switch bracket far away from the touch switch; the micro control unit outputs a control signal to the motor driver to control the motor to work, and receives the switch signals of the touch switch and the calibration switch and the motor motion data.
2. The automatic machine external cutter length measuring device of claim 1, wherein the motor module comprises a motor, a screw rod and a base, the bottom of the switch bracket is engaged with the screw rod, the motor rotates to drive the screw rod to rotate, and the switch bracket moves linearly under the action of the screw rod.
3. The automatic machine-external-cutter length measuring device according to claim 1, wherein the touch switch and the calibration switch are connected to the micro control unit via pull-up resistors.
4. The automatic machine tool length measuring device of claim 1, further comprising a touch display screen, wherein the micro control unit interacts with the touch display screen in real time through SPI communication.
5. The automatic machine tool length measuring device of claim 4, wherein the touch screen display comprises a one-touch start button, a display of current measurement values and historical measurement values.
6. The automatic machine outer cutter length measuring device of claim 1, further comprising a base, wherein the cutter handle support, the module support and the micro control unit are all fixed on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220726084.7U CN217991862U (en) | 2022-03-28 | 2022-03-28 | Length measuring device for external cutter of automatic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220726084.7U CN217991862U (en) | 2022-03-28 | 2022-03-28 | Length measuring device for external cutter of automatic machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217991862U true CN217991862U (en) | 2022-12-09 |
Family
ID=84287082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220726084.7U Active CN217991862U (en) | 2022-03-28 | 2022-03-28 | Length measuring device for external cutter of automatic machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217991862U (en) |
-
2022
- 2022-03-28 CN CN202220726084.7U patent/CN217991862U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207881664U (en) | A kind of intelligent calibrating device of draw-wire displacement sensor | |
| CN108007295B (en) | Automatic detection device for M value and tooth surface jumping of worm | |
| CN106556358A (en) | A kind of barrel swivel part installs concentricity high-speed adjustment device and measuring method | |
| CN217991862U (en) | Length measuring device for external cutter of automatic machine | |
| CN112033324B (en) | Detection method for wall thickness and wall thickness difference of double cones | |
| CN210346630U (en) | Wheel hub circle measuring device that beats | |
| CN113899426A (en) | Water-sand interface judgment module and estuary coast physical model underwater topography measuring device | |
| CN110398746A (en) | A kind of test device of articulated robot positioning accuracy | |
| CN206223109U (en) | A kind of barrel swivel part installs concentricity high-speed adjustment device | |
| CN215677943U (en) | Rockwell hardness tester based on indentation depth | |
| CN213599992U (en) | Multifunctional teaching type cam test system | |
| JPH09264738A (en) | Method for measurement of gear and machine therefor | |
| CN211084984U (en) | Dial indicator calibrating device | |
| US6286227B1 (en) | Micrometer system and process of use therefor | |
| CN210070867U (en) | High-precision intelligent aperture testing device | |
| CN216205906U (en) | Outer diameter precision detection measuring tool suitable for major diameter positioning accessory | |
| CN110806165B (en) | Tool and method for measuring perpendicularity between hole and end plane | |
| CN219416130U (en) | Device for measuring spindle movement of power tool apron | |
| CN218155965U (en) | Intelligent micrometer for workpiece measurement | |
| CN218916406U (en) | Detection device of high-precision encoder | |
| CN220541924U (en) | Comprehensive measuring device for parts with high outside and deep inside | |
| CN220751010U (en) | Combined form and position tolerance measuring instrument | |
| CN213481964U (en) | Electronic portable brinell hardness tester | |
| CN218822275U (en) | Hole site precision measurement device of special-shaped workpiece | |
| CN219475568U (en) | Nitrogen oxygen sensor chip aging test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |