CN216730929U - Device for measuring machining depth - Google Patents
Device for measuring machining depth Download PDFInfo
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- CN216730929U CN216730929U CN202220264581.XU CN202220264581U CN216730929U CN 216730929 U CN216730929 U CN 216730929U CN 202220264581 U CN202220264581 U CN 202220264581U CN 216730929 U CN216730929 U CN 216730929U
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- core rod
- contact
- contact core
- machining depth
- spring
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Abstract
The utility model discloses a device for measuring machining depth, which comprises a fixed support, a seat body, a contact switch, a spring and a contact core rod for contacting with a machine tool cutter, wherein the seat body is arranged on the fixed support, the contact core rod is movably arranged in the seat body through the spring, one end of the contact core rod extends out of the seat body, and the contact switch is arranged on the seat body and is opposite to the other end of the contact core rod. The device for measuring the machining depth is reasonable in structural design, accurate and efficient in detection, capable of improving the consistency of the machining depth of a machining center and capable of timely finding out broken cutters or mistaken cutters.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a device for measuring machining depth.
Background
At present, a workpiece is machined through a machine tool in most of machining, the position of a cutter is required to be detected before some high-precision machining, namely the position of a main shaft of the machine tool is detected, program end point displacement is compensated through a calculation result, whether the cutter is installed correctly or not can be detected through detection, and the workpiece and equipment are prevented from being damaged; however, at present, the detection is mostly judged through the experience of workers, and the error is large.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the technical problem to be solved by the utility model is to provide a device for measuring the machining depth so as to achieve the aim of accurate and efficient detection.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the device for measuring the machining depth comprises a fixed support, a base body, a contact switch, a spring and a contact core rod, wherein the contact core rod is used for being in contact with a machine tool cutter, the base body is arranged on the fixed support, the contact core rod is movably arranged in the base body through the spring, one end of the contact core rod extends out of the base body, and the contact switch is arranged on the base body and is opposite to the other end of the contact core rod.
Further:
the base body is fixed on the fixing support through a detachable fixing bolt.
The base body comprises a mounting base located at the lower part and an upper cover plate located at the upper part, a guide groove is formed between the mounting base and the upper cover plate, and the contact core rod is arranged in the guide groove.
The base body is provided with a contact switch mounting hole, and the inner end of the contact core rod is provided with a switch rod extending into the mounting hole.
The outer edge of the contact core rod is provided with a bulge, and the seat body is internally provided with an annular groove which is corresponding to the bulge and used for limiting the movement stroke of the contact core rod.
The spring is a spiral spring which is sleeved on the contact core rod and is positioned on the inner side of the protrusion.
Compared with the prior art, the utility model has the following advantages: the device for measuring the machining depth is reasonable in structural design, accurate and efficient in detection, capable of improving the consistency of the machining depth of a machining center and capable of timely finding out broken cutters or mistaken cutters.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic view of the structure of the apparatus of the present invention.
In the figure:
1. the device comprises a fixed support, 2 fixing bolts, 3 mounting bases, 4 upper cover plates, 5 contact switches, 6 sealing rings, 7 contact core rods, 8 metal pads and 9 springs.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1, the device for measuring the machining depth comprises a fixed support 1, a base body, a contact switch 5, a spring 9 and a contact core rod 7 for contacting with a machine tool; the base is arranged on the fixed support, the contact core rod is movably arranged in the base through a spring, one end of the contact core rod extends out of the base, and the contact switch is arranged on the base and opposite to the other end of the contact core rod.
The fixed support 1 is used for being fixed on a machine tool, the base body is fixed on the fixed support through the detachable fixing bolt 2, and the top of the fixed support is a plane and is simple and convenient to mount.
The base body comprises a mounting base 3 positioned at the lower part and an upper cover plate 4 positioned at the upper part, a guide groove is arranged between the mounting base and the upper cover plate, and the contact core rod is arranged in the guide groove, so that the structure is compact, and the manufacture and the assembly are convenient; the moving direction of the contact core rod can be limited by the guide groove.
The base body is provided with a contact switch mounting hole, the inner end of the contact core bar 7 is provided with a switch rod extending into the mounting hole, the outer diameter of the switch rod is smaller than that of the main structure of the contact core bar, and the switch rod and the contact switch are sensitive to switch control corresponding to each other.
The outer end of the contact core rod 7 extends out of the seat body, a sealing ring 6 is arranged on the seat body corresponding to the end part of the guide groove, a bulge is arranged on the outer edge of the contact core rod, an annular groove used for limiting the moving stroke of the contact core rod is arranged in the seat body corresponding to the bulge, and a metal pad 8 is arranged on the inner side of the annular groove.
The spring is a spiral spring, the spiral spring is sleeved on the contact core rod and is positioned on the inner side of the protrusion, after detection is finished, the contact core rod is automatically returned through the spring, and the contact core rod forms an elastic contact structure.
The device is fixed at the reliable position of a machine tool clamp, and the relative position of the device and a workpiece positioning point is ensured. Before processing, moving the highest point of the cutter to 5mm in front of the elastic contact through a numerical control program, feeding the cutter for 3-5mm until the elastic contact structure is attached to the contact switch, reading current position data by a machine, and assigning values to machine tool variable parameters; then, calculating a difference value between a theoretical value and an actually measured value through a numerical control program, compensating the difference value into a final numerical control machining program, and eliminating machining depth errors caused by factors such as servo clearance, temperature difference and the like; providing consistent depth of processing.
The device for measuring the machining depth is reasonable in structural design, accurate and efficient in detection, improves the consistency of the machining depth of the machining center, can timely find the condition of cutter breakage or cutter misassembly, and avoids damage to workpieces and equipment.
The above-mentioned features are merely for describing preferred embodiments of the present invention and may be arbitrarily combined to form a plurality of embodiments of the present invention.
The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above embodiments, and it is within the scope of the utility model to use the concept and technical solution of the utility model in other fields without substantial or direct modification.
Claims (6)
1. A device for machining depth measurement, characterized by: the tool holder comprises a fixed support, a holder body, a contact switch, a spring and a contact core rod for contacting with a tool of a machine tool, wherein the holder body is arranged on the fixed support, the contact core rod is movably arranged in the holder body through the spring, one end of the contact core rod extends out of the holder body, and the contact switch is arranged on the holder body and is opposite to the other end of the contact core rod.
2. The apparatus for machining depth measurement according to claim 1, wherein: the base body is fixed on the fixing support through a detachable fixing bolt.
3. The apparatus for machining depth measurement according to claim 1, wherein: the base body comprises a mounting base located on the lower portion and an upper cover plate located on the upper portion, a guide groove is formed between the mounting base and the upper cover plate, and a contact core rod is arranged in the guide groove.
4. The apparatus for machining depth measurement according to claim 1, wherein: the base body is provided with a contact switch mounting hole, and the inner end of the contact core rod is provided with a switch rod extending into the mounting hole.
5. The apparatus for machining depth measurement according to claim 1, wherein: the outer edge of the contact core rod is provided with a bulge, and the seat body is internally provided with an annular groove which is corresponding to the bulge and used for limiting the movement stroke of the contact core rod.
6. The apparatus for machining depth measurement according to claim 5, wherein: the spring is a spiral spring which is sleeved on the contact core rod and is positioned on the inner side of the protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220264581.XU CN216730929U (en) | 2022-02-09 | 2022-02-09 | Device for measuring machining depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220264581.XU CN216730929U (en) | 2022-02-09 | 2022-02-09 | Device for measuring machining depth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216730929U true CN216730929U (en) | 2022-06-14 |
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ID=81917574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220264581.XU Active CN216730929U (en) | 2022-02-09 | 2022-02-09 | Device for measuring machining depth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216730929U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115365829A (en) * | 2022-08-15 | 2022-11-22 | 北京航天时代激光导航技术有限责任公司 | Automatic processing production line for laser gyro groove piece shallow groove and precision guaranteeing method and system |
-
2022
- 2022-02-09 CN CN202220264581.XU patent/CN216730929U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115365829A (en) * | 2022-08-15 | 2022-11-22 | 北京航天时代激光导航技术有限责任公司 | Automatic processing production line for laser gyro groove piece shallow groove and precision guaranteeing method and system |
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