CN115717873A - Workpiece measuring device for numerical control machine tool and using method - Google Patents
Workpiece measuring device for numerical control machine tool and using method Download PDFInfo
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- CN115717873A CN115717873A CN202211518713.8A CN202211518713A CN115717873A CN 115717873 A CN115717873 A CN 115717873A CN 202211518713 A CN202211518713 A CN 202211518713A CN 115717873 A CN115717873 A CN 115717873A
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Abstract
A workpiece measuring device for a numerical control machine tool and a using method thereof are disclosed, the workpiece measuring device comprises a front cover 1, a contact type sensor 2, a connecting piece 3, a wireless transmitting module 4 and a battery accommodating structure 5, the device can realize online measurement of a workpiece, the measuring device is connected with the machine tool, when the measuring device contacts the workpiece, a signal is fed back to the machine tool, a machine tool system automatically reads a current coordinate value, then the clamping position or the machining size of the workpiece is judged, and a coordinate system of a program is compensated and modified through the automatic compensation function of the system, so that the sizes of the machined workpieces are kept uniform; when the measured position exceeds the set range of the program, the machine tool prompts an alarm to remind an operator to check whether the workpiece is clamped in place or remind the operator that the size of the workpiece is out of tolerance. The measuring device is convenient to install and use, does not occupy space, and is directly installed in a turret of a lathe when the numerical control lathe is used; the machining center can be directly placed in a tool magazine of the machine tool, and all parts are connected through threads, so that the machine tool is convenient to disassemble, assemble and replace.
Description
The technical field is as follows:
the invention belongs to the technical field of machine tools, and mainly relates to a workpiece measuring device for a numerical control machine tool and a using method thereof.
Background art:
after the workpiece is clamped by the existing numerical control machine tool, the clamped workpiece cannot be measured, the clamping methods of different workers are different for the same tool clamp, the positions of the workpieces are different, the abrasion degrees of the cutters are different along with the increase of the machining quantity, and finally the sizes of the machined workpieces are not uniform.
If iron chips are mixed at the bottom of the tool, the iron chips are not found when the workpiece is clamped, the workpiece is clamped in place improperly, or the cutter is seriously worn and not replaced, and at the moment, if a machining program is operated, the workpiece is seriously out of tolerance and even scrapped.
The invention content is as follows:
in order to overcome the defects, the invention provides a workpiece measuring device for a numerical control machine tool and a using method thereof.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a workpiece measuring device for a numerical control machine tool comprises
The front end of the front cover is provided with a threaded hole, the rear end of the front cover is open, and the middle part of the front cover is provided with an accommodating space;
the threaded end of the contact sensor is in threaded connection with the threaded hole of the front cover and is locked by a locking nut;
the front end of the connecting piece is in threaded connection with the rear end of the front cover;
the wireless transmitting module is fixed on the connecting piece through a screw and is electrically connected with the contact type sensor;
the battery accommodating structure is used for accommodating a battery, the battery supplies power to the wireless transmitting module and the contact type sensor, and the front end of the battery accommodating structure is connected with the rear end of the connecting piece through a screw;
after a contact head of the contact type sensor is contacted with a workpiece, a signal is transmitted to the wireless transmitting module, and the wireless transmitting module transmits the signal to a receiver of the machine tool and feeds the signal back to the control system.
Set up a plurality of trompils along the circumferencial direction interval on the lateral wall of protecgulum, the cover is equipped with non-metallic dustcoat that can printing opacity on the lateral wall of protecgulum.
The front end of the connecting piece is provided with an external thread, and the rear end of the connecting piece is provided with an internal thread.
The battery holding structure comprises a sleeve, a battery cavity is arranged inside the sleeve, the tail end of the sleeve is connected with a rear cover through a wire, a negative spring is arranged in the middle of the inner side of the rear cover, the front end of the sleeve is connected with a connecting piece through a wire, an insulating end cover is arranged at the front end of the sleeve, a pole is arranged in the middle of the insulating end cover, one end of the pole is connected with the positive pole of the battery, the other end of the pole is connected with a positive wiring column of the wireless transmitting module through a positive spring, and the negative wiring column of the wireless transmitting module is connected with the connecting piece through a screw.
The front end and the rear end of the connecting piece are both provided with external threads.
The battery accommodating structure comprises a handle, a battery cavity is arranged in the handle, a negative spring is arranged at the tail end of the battery cavity, the front end of the handle is connected with the connecting piece in a threaded mode, a wireless transmitting module is arranged at the front end of the connecting piece, a positive electrode bonding pad is arranged on the back face of the wireless transmitting module, and a negative terminal of the wireless transmitting module is connected with the connecting piece through a screw.
A use method of a workpiece measuring device for a numerical control machine tool comprises the following steps:
1) Clamping a workpiece;
2) The workpiece measuring device is arranged on the tool apron or the main shaft, a contact of the contact sensor is contacted with the workpiece, the contact sensor transmits a signal to the wireless transmitting module, the wireless transmitting module transmits the signal to a receiver of the machine tool and feeds the signal back to the control system, and the control system can record the current coordinate value; 3) And the control system compares the reference coordinates set in the machining program to further judge the clamping position of the workpiece, and if the error is within the set tolerance range, the coordinate system of the program is compensated and modified through the automatic compensation function of the system, so that the sizes of the machined workpieces are kept uniform. If the error is out of the set tolerance range, the machine tool gives an alarm to remind an operator to check whether the workpiece is clamped in place;
4) Processing the workpiece, and executing the step 2 until the workpiece is finished, wherein the control system records the current coordinate value;
5) And the control system compares the control system with the finished product size reference coordinates set in the machining program, judges that the size of the workpiece is qualified if the error is within the set tolerance range, and compensates and modifies the coordinate system of the program through the automatic compensation function of the system so as to keep the sizes of the workpieces unified after subsequent machining. If the error is out of the set tolerance range, the machine tool gives an alarm to remind an operator that the size of the workpiece is out of tolerance;
6) And (5) replacing a new workpiece, and repeating the steps.
Due to the adoption of the technical scheme, the invention has the following advantages:
the invention provides a workpiece measuring device for a numerical control machine tool and a using method thereof, the device can realize online measurement of a workpiece, the measuring device is connected with the machine tool, when the measuring device contacts the workpiece, a signal is fed back to the machine tool, a machine tool system automatically reads a current coordinate value so as to judge the clamping position or the machining size of the workpiece, and a coordinate system of a program is compensated and modified through the automatic compensation function of the system, so that the sizes of the machined workpieces are kept uniform. When the measured position exceeds the set range of the program, the machine tool prompts and gives an alarm to remind an operator to check whether the workpiece is clamped in place or remind the operator that the size of the workpiece is out of tolerance. The measuring device is convenient to install and use, does not occupy space, and is directly installed in a turret of a lathe when the numerical control lathe is used; the machining center can be directly placed in a tool magazine of the machine tool. All parts are connected by threads, so that the disassembly, assembly and replacement are convenient.
Description of the drawings:
FIG. 1 is a schematic assembly view of a first embodiment of the present invention;
FIG. 2 is an exploded schematic view of the first embodiment;
FIG. 3 is a cross-sectional view of the first embodiment;
FIG. 4 is a cross-sectional view of the first embodiment connector;
FIG. 5 is a schematic assembly view of a second embodiment of the present invention;
FIG. 6 is a schematic, broken away view of a second embodiment;
FIG. 7 is a cross-sectional view of the second embodiment;
FIG. 8 is a cross-sectional view of a second embodiment connection;
the specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The workpiece measuring device for the numerical control machine tool comprises a front cover 1, a contact type sensor 2, a connecting piece 3, a wireless transmitting module 4 and a battery accommodating structure 5.
The front end of the front cover 1 is provided with a threaded hole 13, the rear end of the front cover is open, the middle part of the front cover is provided with an accommodating space, and the wireless transmitting module 4 can be accommodated in the accommodating space;
the threaded end of the contact sensor 2 is in threaded connection with the threaded hole 13 of the front cover 1 and is locked through a locking nut 21;
the front end of the connecting piece 3 is connected with the rear end of the front cover 1 through a wire, the connecting piece 3 is made of metal, and the front end of the connecting piece is provided with a plurality of screw holes 31;
the wireless transmitting module 4 is fixed on the connecting piece 3 through a screw 41, and is electrically connected with the contact sensor 4, and the screw 41 corresponds to a screw hole on the connecting piece 3.
The battery accommodating structure 5 is used for accommodating a battery 6, the battery 6 supplies power to the wireless transmitting module 4 and the contact type sensor 2, and the front end of the battery accommodating structure 5 is in threaded connection with the rear end of the connecting piece 3;
after a contact head of the contact type sensor 2 contacts a workpiece, a signal is transmitted to the wireless transmitting module 4, and the wireless transmitting module 4 transmits the signal to a receiver of the machine tool and feeds the signal back to the control system.
The device can realize the online measurement of the workpiece, the measuring device is online with a machine tool, when a contact of a contact type sensor 2 of the measuring device contacts the workpiece, a signal is fed back to the machine tool, a machine tool system automatically reads a current coordinate value, the clamping position or the machining size of the workpiece is further judged, and the coordinate system of a program is compensated and modified through the automatic compensation function of the system, so that the sizes of the machined workpieces are kept uniform. When the measured position exceeds the set range of the program, the machine tool prompts an alarm to remind an operator to check whether the workpiece is clamped in place or remind the operator that the size of the workpiece is out of tolerance. The measuring device is convenient to install and use, does not occupy space, and is directly installed in a turret of a lathe when the numerical control lathe is used; the machining center can be directly placed in a tool magazine of the machine tool. All parts are connected by threads, so that the disassembly, assembly and replacement are convenient.
Preferably, as shown in fig. 2, a plurality of openings 12 are formed in the side wall of the front cover 1 at intervals along the circumferential direction, and a non-metal cover 11 capable of transmitting light is sleeved on the side wall of the front cover 1. The front cover 1 is of a universal structure, the internal accommodating space can accommodate a circuit board of the wireless transmitting module 4, the openings 12 are uniformly distributed on the circumference, and the internal indicator light can be observed while the signal attenuation is reduced; the excircle of the front cover 1 is provided with a light-transmitting nonmetal outer cover 11, so that the worker can conveniently sense the internal working state while water is prevented from entering the front cover.
As shown in fig. 4, the front end of the connecting member 3 is provided with an external thread, the rear end is provided with an internal thread, and the external thread of the front end is screwed with the internal thread of the front cover 1.
As shown in fig. 1, 2 and 3, the battery accommodating structure 5 comprises a sleeve 51, and the outer diameter of the sleeve 51 can be changed according to the inner hole size of the tool holder to adapt to different machine tool models; the battery module comprises a sleeve 51, a battery cavity is arranged in the sleeve 51, the tail end of the sleeve 51 is connected with a rear cover 52 in a threaded manner, a negative pole spring 55 is arranged in the middle of the inner side of the rear cover 52, the front end of the sleeve 51 is connected with the rear end of a connecting piece 3 in a threaded manner, an insulating end cover 53 is arranged at the front end of the sleeve 51, a pole 54 is arranged in the middle of the insulating end cover 53, one end of the pole 54 is connected with the positive pole of the battery 6, the other end of the pole is connected with a positive pole of the wireless emission module 4 through a positive pole spring 42, a negative pole of the wireless emission module 4 is connected with a screw hole 31 of the connecting piece 3 through a screw 41, and the connecting piece 3, the sleeve 51 and the rear cover 52 are all made of metal materials, so that the negative pole of the battery is electrically communicated with the negative pole of the wireless emission module 4 sequentially through the negative pole spring 55, the rear cover 52, the sleeve 51, the connecting piece 3 and the screw 41, and the power supply loop of the battery 6 for the wireless emission module 4 is completed.
As shown in fig. 8, the front end and the rear end of the connecting member 3 are provided with external threads.
As shown in fig. 5, fig. 6 and fig. 7, the battery accommodating structure 5 includes a handle 511, a battery cavity is provided in the handle 511, a negative spring 55 is provided at the end of the battery cavity, the front end of the handle 511 is connected with the connecting piece 3 by a wire, the front end of the connecting piece 3 is provided with the wireless transmitting module 4, the back of the wireless transmitting module 4 is provided with a positive pad 544, the negative terminal of the wireless transmitting module 4 is connected with the connecting piece 3 by a screw 41, and the connecting piece 3 and the handle 511 are both made of metal materials, so that the negative electrode of the battery is electrically communicated with the negative terminal of the wireless transmitting module 4 through the negative spring 55, the handle 511, the connecting piece 3 and the screw 41, thereby completing the power supply loop of the battery 6 for the wireless transmitting module 4.
The design is convenient to install and use, does not occupy space, and is directly installed in a turret of a lathe when the numerical control lathe is used; the machining center can be directly placed in a tool magazine of the machine tool.
A use method of a workpiece measuring device for a numerical control machine tool comprises the following steps:
1) Clamping a workpiece;
2) The workpiece measuring device is arranged on the tool apron or the main shaft, a contact of the contact sensor is contacted with the workpiece, the contact sensor transmits a signal to the wireless transmitting module, the wireless transmitting module transmits the signal to a receiver of the machine tool and feeds the signal back to the control system, and the control system can record the current coordinate value; 3) The control system compares the reference coordinates set in the machining program to judge the clamping position of the workpiece, and if the error is within the set tolerance range, the coordinate system of the program is compensated and modified through the automatic compensation function of the system, so that the sizes of the machined workpieces are kept uniform; if the error is out of the set tolerance range, the machine tool gives an alarm to remind an operator to check whether the workpiece is clamped in place;
4) Processing the workpiece, and executing the step 2 until the workpiece is finished, wherein the control system records the current coordinate value;
5) The control system compares the finished product size reference coordinates set in the processing program, if the error is within the set tolerance range, the workpiece size is judged to be qualified, and the coordinate system of the program is compensated and modified through the automatic compensation function of the system, so that the sizes of the subsequently processed workpieces are kept uniform; if the error is out of the set tolerance range, the machine tool gives an alarm to remind an operator that the size of the workpiece is out of tolerance;
6) And (5) replacing a new workpiece, and repeating the steps.
The details of the above are not described in detail since they are prior art.
Claims (7)
1. The utility model provides a work piece measuring device for digit control machine tool which characterized in that: comprises that
The front end of the front cover is provided with a threaded hole, the rear end of the front cover is open, and the middle part of the front cover is provided with an accommodating space;
the threaded end of the contact sensor is in threaded connection with the threaded hole of the front cover and is locked by a locking nut;
the front end of the connecting piece is in threaded connection with the rear end of the front cover;
the wireless transmitting module is fixed on the connecting piece through a screw and is electrically connected with the contact type sensor;
the battery accommodating structure is used for accommodating a battery, the battery supplies power to the wireless transmitting module and the contact type sensor, and the front end of the battery accommodating structure is connected with the rear end of the connecting piece through a thread;
after a contact head of the contact type sensor is contacted with a workpiece, a signal is transmitted to the wireless transmitting module, and the wireless transmitting module transmits the signal to a receiver of the machine tool and feeds the signal back to the control system.
2. The workpiece measuring device for the numerical control machine tool according to claim 1, wherein: set up a plurality of trompils along the circumferencial direction interval on the lateral wall of protecgulum, the cover is equipped with non-metallic dustcoat that can printing opacity on the lateral wall of protecgulum.
3. The workpiece measuring device for the numerical control machine tool according to claim 1, wherein: the front end of the connecting piece is provided with an external thread, and the rear end of the connecting piece is provided with an internal thread.
4. The workpiece measuring apparatus for the numerical control machine tool according to claim 3, wherein: the battery holding structure comprises a sleeve, a battery cavity is arranged inside the sleeve, the tail end of the sleeve is connected with a rear cover through a wire, a negative spring is arranged in the middle of the inner side of the rear cover, the front end of the sleeve is connected with a connecting piece through a wire, an insulating end cover is arranged at the front end of the sleeve, a pole is arranged in the middle of the insulating end cover, one end of the pole is connected with the positive pole of the battery, the other end of the pole is connected with a positive wiring column of the wireless transmitting module through a positive spring, and the negative wiring column of the wireless transmitting module is connected with the connecting piece through a screw.
5. The workpiece measuring device for the numerical control machine tool according to claim 1, wherein: the front end and the rear end of the connecting piece are both provided with external threads.
6. The workpiece measuring device for the numerical control machine tool according to claim 5, wherein: the battery accommodating structure comprises a handle, a battery cavity is arranged in the handle, a negative spring is arranged at the tail end of the battery cavity, the front end of the handle is connected with the connecting piece in a threaded mode, a wireless transmitting module is arranged at the front end of the connecting piece, a positive bonding pad is arranged on the back face of the wireless transmitting module, and a negative binding post of the wireless transmitting module is connected with the connecting piece through a screw.
7. The use method of a workpiece measuring device for a numerical control machine according to any one of claims 1 to 6, characterized in that: the method comprises the following steps:
1) Clamping a workpiece;
2) The workpiece measuring device is arranged on the tool apron or the main shaft, a contact of the contact sensor is contacted with the workpiece, the contact sensor transmits a signal to the wireless transmitting module, the wireless transmitting module transmits the signal to a receiver of the machine tool and feeds the signal back to the control system, and the control system can record the current coordinate value; 3) The control system compares the reference coordinates set in the machining program to judge the clamping position of the workpiece, and if the error is within the set tolerance range, the coordinate system of the program is compensated and modified through the automatic compensation function of the system, so that the sizes of the machined workpieces are kept uniform; if the error is out of the set tolerance range, the machine tool gives an alarm to remind an operator to check whether the workpiece is clamped in place;
4) Processing the workpiece, and executing the step 2 until the workpiece is finished, wherein the control system records the current coordinate value;
5) The control system compares the finished product size reference coordinates set in the processing program, if the error is within the set tolerance range, the workpiece size is judged to be qualified, and the coordinate system of the program is compensated and modified through the automatic compensation function of the system, so that the sizes of the workpieces after subsequent processing are kept uniform; if the error is out of the set tolerance range, the machine tool gives an alarm to remind an operator that the size of the workpiece is out of tolerance;
6) And (5) replacing a new workpiece, and repeating the steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211518713.8A CN115717873A (en) | 2022-11-30 | 2022-11-30 | Workpiece measuring device for numerical control machine tool and using method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211518713.8A CN115717873A (en) | 2022-11-30 | 2022-11-30 | Workpiece measuring device for numerical control machine tool and using method |
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| CN115717873A true CN115717873A (en) | 2023-02-28 |
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| CN202211518713.8A Pending CN115717873A (en) | 2022-11-30 | 2022-11-30 | Workpiece measuring device for numerical control machine tool and using method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117367233A (en) * | 2023-12-05 | 2024-01-09 | 洛阳信成精密机械有限公司 | Thread detection device and use method |
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2022
- 2022-11-30 CN CN202211518713.8A patent/CN115717873A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117367233A (en) * | 2023-12-05 | 2024-01-09 | 洛阳信成精密机械有限公司 | Thread detection device and use method |
| CN117367233B (en) * | 2023-12-05 | 2024-03-08 | 洛阳信成精密机械有限公司 | Thread detection device and use method |
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