CN107942932B - Quick-change probe type measuring head for machine tool meter printing and measuring method - Google Patents
Quick-change probe type measuring head for machine tool meter printing and measuring method Download PDFInfo
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- CN107942932B CN107942932B CN201711177927.2A CN201711177927A CN107942932B CN 107942932 B CN107942932 B CN 107942932B CN 201711177927 A CN201711177927 A CN 201711177927A CN 107942932 B CN107942932 B CN 107942932B
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- machine tool
- probe
- connecting rod
- quick
- clamping core
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/401—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/37—Measurements
- G05B2219/37231—Tool used as touch probe, sensor
Abstract
The invention discloses a quick-change probe type measuring head for machine tool meter reading, which comprises a connector, a connecting rod, a probe, a movable cylinder, a spring, a clamping core and a locking ring, wherein the connecting rod is fixedly connected with the connector; the connecting rod is fixed on the connecting head in a threaded connection or bonding mode; the movable cylinder is sleeved outside the connecting rod; the connecting rod is a reverse convex cylinder; the clamping core is inserted on the connecting rod; the clamping core is provided with a three-stage annular belt with taper; the probe is fixed through the clamping core; the locking ring is arranged at the bottom end of the movable cylinder; the spring is sleeved on the clamping core, one end of the spring is propped against the boss of the connecting rod, and the other end of the spring is clamped on the boss in the movable cylinder. The invention has simple structure, easy installation, simple operation, convenient clamping and low cost.
Description
Technical Field
The invention relates to the technical field of size measurement on a numerical control machine tool, in particular to a quick-change probe type measuring head for machine tool meter reading and a measuring method.
Background
In the processes of machining, electric machining of narrow grooves and small-diameter blind holes, due to the influence of the loss of a cutter or an electrode, the precision of a machine tool, the rigidity of a clamp, machining parameters and the like, a certain difference exists between the theoretical depth and the actual machining depth, and the depth dimension of the machined groove needs to be directly measured on the machine tool so as to judge whether to continue to perform complementary machining. It often happens that the measurement cannot be carried out by using a general measurement method because the width dimension of the groove is too small, and the measurement has to be carried out by using a time-consuming and labor-consuming sample paste and an optical microscope. Causing long-term time stagnation of the equipment.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a quick-change probe type measuring head for machine tool meter reading and a measuring method, and the specific technical scheme is as follows:
a quick-change probe type measuring head for machine tool meter reading comprises a connector, a connecting rod, a probe, a movable barrel, a spring, a clamping core and a locking ring;
the connecting rod is fixed on the connecting head in a threaded connection or bonding mode;
the movable barrel is sleeved outside the connecting rod;
the connecting rod is an inverted convex cylinder;
the clamping core is inserted on the connecting rod;
the clamping core is provided with a three-stage annular belt with taper;
the probe is fixed through the clamping core;
the locking ring is arranged at the bottom end of the movable cylinder;
the spring is sleeved on the clamping core, one end of the spring is propped against the boss of the connecting rod, and the other end of the spring is clamped on the boss in the movable cylinder.
The quick-change probe type measuring head for the machine tool meter reading is characterized in that the connecting rod is made of nylon materials according to the preferred scheme.
The quick-change probe type measuring head for the machine tool meter reading is characterized in that the clamping core is made of copper alloy.
The quick-change probe type measuring head for the machine tool meter reading preferably has the advantages that the taper is arranged at the bottom end of the clamping core, and the inner diameter of the locking ring is smaller than the maximum taper diameter of the clamping core.
The quick-change probe type measuring head for the machine tool meter reading has the preferred scheme that the outer end of the movable cylinder is provided with a rubber bulge for preventing skidding during quick change.
A measuring method of a quick-change probe type measuring head for machine tool meter reading comprises the following steps:
the method comprises the following steps: when the depth of the narrow groove needs to be measured after the primary processing is finished, attaching a dial indicator frame to a moving shaft of the machine tool, and installing and fixing the dial indicator in a vacant position of the gauge frame;
step two: screwing down an original dial indicator measuring head, and screwing a connector of the quick-change narrow-groove measuring head device on a dial indicator movable rod;
step three: the extending length of the probe is adjusted by adjusting the movable cylinder and the locking ring, and is 1mm-2mm greater than the groove depth;
step four: loosening a dial indicator support rod structure of the dial indicator, and adjusting the direction and the position of a measuring rod of the dial indicator to be close to the narrow groove;
step five: operating the movable shaft of the machine tool by using a hand wheel of the machine tool, and moving the probe to a position right above the width center of the notch;
step six: operating the movable shaft of the machine tool by using the hand wheel of the machine tool, contacting the probe with the bottom of the narrow groove, and recording a dial indicator value and a coordinate value of the shaft in the depth direction of the groove corresponding to the machine tool;
step seven: and operating the movable shaft of the machine tool by using a hand wheel of the machine tool, moving the probe to the position near the notch and contacting the surface of the part, so that the value displayed by the dial indicator is consistent with the value of the groove bottom, and obtaining the difference value by subtracting the coordinate value corresponding to the groove bottom from the coordinate value corresponding to the shaft of the machine tool at the moment, namely the depth value of the narrow groove.
The invention has the beneficial effects that: the technical scheme of the invention is that the quick-replaceable probe type measuring head device is applied to a numerical control machine tool for detecting the depth dimension of a narrow groove, can effectively and quickly measure the depth dimension of the narrow groove or a small-diameter blind hole, greatly reduces the dead time of machine tool equipment, reduces the workload of operators, avoids manufacturing special measuring tools for various parts, and reduces the cost. The device has the advantages of simple structure, easy installation, simple operation, convenient clamping and obvious application effect, and obtains obvious technical effect and economic benefit.
Drawings
Fig. 1 is a schematic structural diagram of a quick-change probe type measuring head for machine tool meter reading.
In the figure, 1-connector, 2-connecting rod, 3-probe, 4-movable cylinder, 5-spring, 6-clamping core, 7-locking ring, 8-ring belt and 9-rubber bulge.
Detailed Description
As shown in fig. 1, the quick-change probe type measuring head for measuring a machine tool comprises a connector 1, a connecting rod 2, a probe 3, a movable cylinder 4, a spring 5, a clamping core 6 and a locking ring 7;
the connecting rod 2 is fixed on the connector 1 in a threaded connection or bonding mode;
the movable cylinder 4 is sleeved outside the connecting rod 2;
the connecting rod 2 is an inverted convex cylinder;
the clamping core 6 is inserted on the connecting rod 2;
the clamping core 2 is provided with a three-stage annular belt 8 with taper;
the probe 3 is fixed through a clamping core 3;
the locking ring 7 is arranged at the bottom end of the movable cylinder 4;
the spring 5 is sleeved on the clamping core 6, one end of the spring is propped against the boss of the connecting rod 2, and the other end of the spring is clamped on the boss inside the movable cylinder 4.
The connecting rod 2 is made of nylon materials.
The clamping core 3 is made of a copper alloy.
The bottom end of the clamping core 3 is provided with a taper, and the inner diameter of the locking ring 7 is smaller than the maximum taper diameter of the clamping core 3.
The outer end of the movable cylinder 4 is provided with a rubber bulge 9 for preventing skidding during quick change.
A measuring method of a quick-change probe type measuring head for machine tool meter reading comprises the following steps:
the method comprises the following steps: when the depth of the narrow groove needs to be measured after the primary processing is finished, attaching a dial indicator frame to a moving shaft of the machine tool, and installing and fixing the dial indicator in a vacant position of the gauge frame;
step two: screwing down an original dial indicator measuring head, and screwing a connector 1 of the quick-change narrow-groove measuring head device on a dial indicator movable rod;
step three: the length of the probe 3 extending out is adjusted by adjusting the movable cylinder 4 and the locking ring 7 to be 1mm-2mm greater than the groove depth;
step four: loosening a dial indicator support rod structure of the dial indicator, and adjusting the direction and the position of a measuring rod of the dial indicator to be close to the narrow groove;
step five: operating the movable shaft of the machine tool by using a hand wheel of the machine tool, and moving the probe to a position right above the width center of the notch;
step six: operating the movable shaft of the machine tool by using the hand wheel of the machine tool, contacting the probe 3 with the bottom of the narrow groove, and recording a dial indicator value and a coordinate value of the shaft in the depth direction of the groove corresponding to the machine tool;
step seven: and operating the movable shaft of the machine tool by using a hand wheel of the machine tool, moving the probe 3 to the position near the notch and contacting the surface of the part, so that the value displayed by the dial indicator is consistent with the value of the groove bottom, and obtaining the difference value by subtracting the coordinate value corresponding to the groove bottom from the coordinate value of the shaft corresponding to the machine tool at the moment, namely the depth value of the narrow groove.
Claims (6)
1. The utility model provides a quick change probe-type gauge head for lathe is beaten table which characterized in that: the probe comprises a connector, a connecting rod, a probe, a movable cylinder, a spring, a clamping core and a locking ring;
the connecting rod is fixed on the connecting head in a threaded connection or bonding mode;
the movable barrel is sleeved outside the connecting rod;
the connecting rod is an inverted convex cylinder;
the clamping core is inserted on the connecting rod;
the clamping core is provided with a three-stage annular belt with taper;
the probe is fixed through the clamping core;
the locking ring is arranged at the bottom end of the movable cylinder;
the spring is sleeved on the clamping core, one end of the spring is propped against the boss of the connecting rod, and the other end of the spring is clamped on the boss in the movable cylinder.
2. A quick-change probe-type probe for machine tool gauging according to claim 1, wherein: the connecting rod is made of nylon materials.
3. A quick-change probe-type probe for machine tool gauging according to claim 1, wherein: the clamping core is made of a copper alloy.
4. A quick-change probe-type probe for machine tool gauging according to claim 1, wherein: the bottom end of the clamping core is provided with taper, and the inner diameter of the locking ring is smaller than the maximum taper diameter of the clamping core.
5. A quick-change probe-type probe for machine tool gauging according to claim 1, wherein: the outer end of the movable cylinder is provided with a rubber bulge for preventing skidding during quick replacement.
6. The method for measuring the quick-change probe type measuring head for the machine tool to perform the meter reading according to claim 5, characterized in that: the method comprises the following steps:
the method comprises the following steps: when the depth of the narrow groove needs to be measured after the primary processing is finished, attaching a dial indicator frame to a moving shaft of the machine tool, and installing and fixing the dial indicator in a vacant position of the gauge frame;
step two: screwing down an original dial indicator measuring head, and screwing a connector of the quick-change narrow-groove measuring head device on a dial indicator movable rod;
step three: the extending length of the probe is adjusted by adjusting the movable cylinder and the locking ring, and is 1mm-2mm greater than the groove depth;
step four: loosening a dial indicator support rod structure of the dial indicator, and adjusting the direction and the position of a measuring rod of the dial indicator to be close to the narrow groove;
step five: operating the movable shaft of the machine tool by using a hand wheel of the machine tool, and moving the probe to a position right above the width center of the notch;
step six: operating the movable shaft of the machine tool by using the hand wheel of the machine tool, contacting the probe with the bottom of the narrow groove, and recording a dial indicator value and a coordinate value of the shaft in the depth direction of the groove corresponding to the machine tool;
step seven: and operating the movable shaft of the machine tool by using a hand wheel of the machine tool, moving the probe to the position near the notch and contacting the surface of the part, so that the value displayed by the dial indicator is consistent with the value of the groove bottom, and obtaining the difference value by subtracting the coordinate value corresponding to the groove bottom from the coordinate value corresponding to the shaft of the machine tool at the moment, namely the depth value of the narrow groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711177927.2A CN107942932B (en) | 2017-11-23 | 2017-11-23 | Quick-change probe type measuring head for machine tool meter printing and measuring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711177927.2A CN107942932B (en) | 2017-11-23 | 2017-11-23 | Quick-change probe type measuring head for machine tool meter printing and measuring method |
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| Publication Number | Publication Date |
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| CN107942932A CN107942932A (en) | 2018-04-20 |
| CN107942932B true CN107942932B (en) | 2020-04-03 |
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| CN201711177927.2A Active CN107942932B (en) | 2017-11-23 | 2017-11-23 | Quick-change probe type measuring head for machine tool meter printing and measuring method |
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Citations (11)
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|---|---|---|---|---|
| JPH08171410A (en) * | 1994-12-19 | 1996-07-02 | Fanuc Ltd | Robot mastering method |
| US5656772A (en) * | 1996-07-19 | 1997-08-12 | Markel; Philip A. | Gas pressure gauge clamp |
| CN1247788A (en) * | 1998-08-12 | 2000-03-22 | 帕朋佩斯-塔尔戈股份有限公司 | Apparatus and method for measuring working parameter of lathe for rail section |
| CN200968840Y (en) * | 2006-11-08 | 2007-10-31 | 哈尔滨汽轮机厂有限责任公司 | Apparatus for measuring screw bolt elongation amount for steam turbine assembly measurement |
| CN202770360U (en) * | 2012-08-30 | 2013-03-06 | 广州金铝铝业有限公司 | Dialgage for measuring aluminium alloy |
| CN203364733U (en) * | 2013-07-29 | 2013-12-25 | 中国重汽集团济南动力有限公司 | Measuring device for depth of vehicle VIN code |
| CN103543693A (en) * | 2013-10-31 | 2014-01-29 | 常州工学院 | Device and method for measuring abrasion loss of cathode in real time |
| CN103697797A (en) * | 2013-12-31 | 2014-04-02 | 苏州市职业大学 | Inspection device for precision measurement for depth of blind hole in micro dimension |
| CN203561323U (en) * | 2013-09-30 | 2014-04-23 | 南车戚墅堰机车车辆工艺研究所有限公司 | Central hole depth measuring tool |
| CN203744898U (en) * | 2013-12-31 | 2014-07-30 | 苏州市职业大学 | Micron measurement-level gauge for precisely measuring depth of blind holes |
| JP3205974U (en) * | 2016-06-13 | 2016-08-25 | 株式会社丸木屋製作所 | Tapered hole end diameter measuring device |
-
2017
- 2017-11-23 CN CN201711177927.2A patent/CN107942932B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08171410A (en) * | 1994-12-19 | 1996-07-02 | Fanuc Ltd | Robot mastering method |
| US5656772A (en) * | 1996-07-19 | 1997-08-12 | Markel; Philip A. | Gas pressure gauge clamp |
| CN1247788A (en) * | 1998-08-12 | 2000-03-22 | 帕朋佩斯-塔尔戈股份有限公司 | Apparatus and method for measuring working parameter of lathe for rail section |
| CN200968840Y (en) * | 2006-11-08 | 2007-10-31 | 哈尔滨汽轮机厂有限责任公司 | Apparatus for measuring screw bolt elongation amount for steam turbine assembly measurement |
| CN202770360U (en) * | 2012-08-30 | 2013-03-06 | 广州金铝铝业有限公司 | Dialgage for measuring aluminium alloy |
| CN203364733U (en) * | 2013-07-29 | 2013-12-25 | 中国重汽集团济南动力有限公司 | Measuring device for depth of vehicle VIN code |
| CN203561323U (en) * | 2013-09-30 | 2014-04-23 | 南车戚墅堰机车车辆工艺研究所有限公司 | Central hole depth measuring tool |
| CN103543693A (en) * | 2013-10-31 | 2014-01-29 | 常州工学院 | Device and method for measuring abrasion loss of cathode in real time |
| CN103697797A (en) * | 2013-12-31 | 2014-04-02 | 苏州市职业大学 | Inspection device for precision measurement for depth of blind hole in micro dimension |
| CN203744898U (en) * | 2013-12-31 | 2014-07-30 | 苏州市职业大学 | Micron measurement-level gauge for precisely measuring depth of blind holes |
| JP3205974U (en) * | 2016-06-13 | 2016-08-25 | 株式会社丸木屋製作所 | Tapered hole end diameter measuring device |
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| CN107942932A (en) | 2018-04-20 |
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