CN216694811U - Lever-type roundness measuring instrument sensor - Google Patents
Lever-type roundness measuring instrument sensor Download PDFInfo
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- CN216694811U CN216694811U CN202123390179.0U CN202123390179U CN216694811U CN 216694811 U CN216694811 U CN 216694811U CN 202123390179 U CN202123390179 U CN 202123390179U CN 216694811 U CN216694811 U CN 216694811U
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Abstract
The utility model aims to provide a lever-type roundness measuring instrument sensor which comprises a physical detection module and an electrical appliance module; the physical detection module comprises a measurement head structure, a spring piece installation structure, an installation ear clip and a shell; the spring piece mounting structure comprises a spring piece, a pressing block and a supporting frame; the electrical module comprises a wire collection structure and an electrical structure, and the electrical structure is used for transmitting detection data collected by the collection structure by using a cable; in the utility model, when the roundness of a workpiece is measured, the micro displacement from the contact of the measuring rod is transmitted to the support frame through the micro deformation of the spring piece and then transmitted to the magnetic core through the support frame, and the frictionless displacement transmission mode ensures that the sensor has high sensitivity and measurement precision.
Description
Technical Field
The utility model belongs to the technical field of roundness measuring instruments, and particularly relates to a lever-type roundness measuring instrument sensor.
Background
In the machine manufacturing industry, the form and position error detection of parts is a crucial link. The roundness error of the part can be accurately detected by using a roundness meter and a rotating shaft method. The inductance sensor is one of key components on the roundness measuring instrument, the sensor suitable for being used by the roundness measuring instrument has high sensitivity, small measuring errors and adjustable small measuring force, has the functions of protecting the measuring rod from overload and excessive stroke, has the measuring rod capable of changing a measuring angle, and can conveniently and quickly replace a measuring contact so as to meet the detection requirements of various occasions.
However, since the conventional roundness measuring instrument sensor does not have some or all of the above functions, a new sensor is required to replace the conventional roundness measuring instrument sensor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lever type roundness measuring instrument sensor which is complete in function and wide in application range.
The technical scheme for solving the technical problems of the utility model is as follows:
a lever-type roundness measuring instrument sensor comprises a physical detection module and an electrical module;
the physical detection module comprises a measurement head structure, a spring piece mounting structure, a mounting ear clip and a shell;
the measuring head structure and the spring piece mounting structure are both arranged in the shell, and the mounting lug clip is fixedly connected with the clamping end of the shell and is used for connecting a roundness meter;
the measuring head comprises a measuring rod, a connecting rod, a joint support, a ball socket top block and a top thread; the measuring rod is used for detecting a workpiece to be measured; the measuring rod is detachably connected with the connecting rod; the ball at the tail end of the connecting rod is in sliding fit with the ball socket top block in the joint support; the joint support is arranged at the measuring end of the shell, and a jackscrew is further arranged on the inner side of the ball socket jacking block in the joint support;
the spring piece mounting structure comprises a spring piece, a pressing block and a supporting frame; the pressing block is fixed at the measuring end of the shell, is particularly fixed above the joint support and is used for being matched with the shell and clamping and fixing the first end of the spring piece; the spring piece is arranged between the support frame and the joint support, wherein the first end of the spring piece is fixed between the shell and the pressing block by a screw, and the second end of the spring piece is fixed between the joint support and the support end of the support frame by a screw; the joint support is fixed on the support end of the support frame, and the jackscrew is in contact with the spring piece.
The electrical module comprises a wire collection structure and an electrical structure, wherein the collection structure comprises a coil base, a magnetic core, a coil rack and a coil; the magnetic core is fixed on the support frame and is arranged in the middle hole of the coil rack; the coil is wound on the bobbin; the coil former is mounted in the coil seat bore. The electrical structure is used for transmitting the detection data acquired by the acquisition structure by using a cable.
The physical detection module also comprises a force measurement adjusting structure;
the force measurement adjusting structure comprises a spring, a spring supporting plate and a force measurement adjusting nail, wherein the spring supporting plate is arranged in the shell, a first end of the spring is fixed to a fixed end of the supporting frame, a second end of the spring is fixed to the spring supporting plate, and the force measurement adjusting nail is arranged on the spring supporting plate and used for adjusting the position of the spring supporting plate by pushing and pulling the force measurement adjusting nail.
The spring piece mounting structure further comprises a limiting plate, the limiting plate is fixed in the shell, and a hole for the supporting frame to penetrate through is formed in the middle of the limiting plate and used for limiting the movement range of the supporting frame.
The measuring rod with the mode that the connecting rod can be dismantled and be connected does, the link of measuring rod is provided with the screw thread, the measuring rod pass through the screw thread with the connecting rod can be dismantled and be connected.
The utility model has the beneficial effects that:
in the utility model, when the roundness of a workpiece is measured, the micro displacement from the contact of the measuring rod is transmitted to the support frame through the micro deformation of the spring piece and then transmitted to the magnetic core through the support frame, and the frictionless displacement transmission mode ensures that the sensor has high sensitivity and measurement precision.
According to the utility model, the force-measuring adjusting nail of the sensor is pushed and pulled according to the measuring requirement, so that the position of the force-measuring adjusting nail relative to the support frame is changed, the installation length of the spring is changed, and the magnitude of the measuring force is changed.
According to the utility model, the limiting plate is arranged on the shell of the sensor to limit the movement range of the supporting frame, and when the measuring rod is overloaded by external force or has overlarge stroke, the spring piece is not caused to excessively deform, so that the protective effect is achieved.
According to the utility model, the ball at one end of the connecting rod is smoothly matched with the ball socket ejector block in the joint support and then is tightly jacked by the jackscrew, so that the ball socket ejector block has larger clamping force on the connecting rod, and the connecting rod is rotated to a proper angle, so that a contact on the measuring rod connected with the connecting rod can be ensured to be reliably contacted with the surface of a workpiece.
According to the utility model, the other end of the connecting rod is in threaded connection with the measuring rod, so that when the roundness of a workpiece is measured, the measuring rods with contacts of different lengths or different diameters are selected according to the specific condition of the measured workpiece, and the workpiece can be conveniently replaced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
figure 2 is a schematic view of the structure of the joint support of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the lever type roundness measuring instrument sensor of the present invention comprises a physical detection module and an electrical appliance module;
the physical detection module comprises a measurement head structure, a spring piece 7 mounting structure, a mounting ear clip 1 and a shell;
the measuring head structure and the spring piece 7 mounting structure are both arranged in the shell, and the mounting lug clamp 1 is fixedly connected with the clamping end of the shell and is used for connecting a roundness meter;
the measuring head comprises a measuring rod 2, a connecting rod 3, a joint support, a ball socket top block 51 and a top thread 52; the measuring rod 2 is used for detecting a workpiece to be measured; the measuring rod 2 is detachably connected with the connecting rod 3; the ball at the tail end of the connecting rod 3 is in sliding fit with the ball socket top block 51 in the joint support; the joint support is arranged at the measuring end of the shell, and a jackscrew 52 is further arranged on the inner side of the ball socket top block 51 in the joint support;
the spring piece 7 mounting structure comprises a spring piece 7, a pressing block 4 and a supporting frame 6; the pressing block 4 is fixed at the measuring end of the shell, particularly above the joint support, and is used for being matched with the shell and clamping and fixing the first end of the spring piece 7; the spring piece 7 is arranged between the support frame 6 and the joint support, wherein a first end of the spring piece 7 is fixed between the shell and the pressing block 4 by a screw, and a second end of the spring piece 7 is fixed between the joint support and the support end of the support frame 6 by a screw; the joint support is fixed on the support end of the support frame 6, and the jackscrew 52 is in contact with the spring leaf 7.
The electrical module comprises a wire collection structure and an electrical structure, the collection structure comprises a coil holder 13, a magnetic core 12, a coil former 11 and a coil 10; the magnetic core 12 is fixed on the support frame 6 and is arranged in a middle hole of the coil frame 11; the coil 10 is wound on the bobbin 11; the coil former 11 is mounted in the coil holder 13 bore. The electrical structure is used for transmitting the detection data collected by the collection structure by using the cable 14.
The working principle of the lever type roundness measuring instrument sensor provided by the utility model is as follows:
when a workpiece is measured, the lever type roundness measuring instrument sensor is arranged on a roundness measuring instrument through the mounting lug clamp 1; make measuring stick 2's measuring end and work piece contact, measuring power transmits for ball socket kicking block 51 and jackscrew 52 in proper order through connecting rod 3, and then makes the joint support oppress spring leaf 7 and produce deformation, and spring leaf 7 deformation arouses the support frame 6 action with the contact of spring leaf 7, and then the drive is fixed the action of magnetic core 12 on support frame 6, turns into the signal of telecommunication with power signal, and the signal of telecommunication that the acquisition mechanism will gather transmits for external processing structure through electric structural cable 14, realizes the purpose of detecting the work piece circularity.
In the process, when the roundness of a workpiece is measured, the micro displacement from the contact of the measuring rod 2 is transmitted to the support frame 6 through the micro deformation of the spring piece 7, and then transmitted to the magnetic core 12 through the support frame 6, so that the sensor has high sensitivity and measurement accuracy due to the frictionless displacement transmission mode.
In the process, the ball body at one end of the connecting rod 3 is smoothly matched with the ball socket ejector block 51 in the joint support and then is tightly ejected by the ejector screw 52, so that the ball socket ejector block 51 has large clamping force on the connecting rod 3, and the connecting rod 3 is rotated to a proper angle, so that the contact head on the measuring rod 2 connected with the connecting rod can be ensured to be reliably contacted with the surface of a workpiece.
Preferably, as shown in fig. 2, the physical detection module of the present invention further includes a force measurement adjustment structure;
the force measurement adjusting structure comprises a spring 9, a spring 9 supporting plate and a force measurement adjusting nail, wherein the spring 9 supporting plate is arranged in the shell, a first end of the spring 9 is fixed with the fixed end of the supporting frame 6, a second end of the spring 9 is fixed with the spring 9 supporting plate, and the force measurement adjusting nail is arranged on the spring 9 supporting plate and used for adjusting the position of the spring 9 supporting plate by pushing and pulling the force measurement adjusting nail.
The spring 9 supporting plate can be arranged in a sliding groove fixed on the inner wall of the shell, a sliding hole is formed in the shell at a position corresponding to the sliding direction of the sliding groove, the force measuring adjusting nail is fixedly connected with the spring 9 supporting plate through the sliding hole, and the position of the spring 9 supporting plate relative to the supporting frame 6 is changed through the movement of the force measuring adjusting nail in the sliding hole, so that the installation length of the spring 9 is changed, the action amount of the supporting frame 6 under the same acting force is further changed, and the size of the measuring force is changed.
Preferably, the mounting structure of the spring plate 7 further comprises a limiting plate 8, the limiting plate 8 is fixed in the housing, a hole for the support frame 6 to pass through is formed in the middle of the limiting plate for limiting the movement range of the support frame 6, and when the measuring rod 2 is overloaded by external force or has too large stroke, the spring plate 7 cannot be excessively deformed, so that the protection effect is achieved.
Preferably, the measuring rod 2 and the connecting rod 3 are detachably connected in a manner that a connecting end of the measuring rod 2 is provided with a thread, and the measuring rod 2 is detachably connected with the connecting rod 3 through the thread; when the roundness of a workpiece is measured, the measuring rods 2 with different lengths or different diameter contacts are selected according to the specific condition of the measured workpiece, so that the workpiece can be conveniently replaced.
Claims (4)
1. The utility model provides a lever roundness measuring equipment sensor which characterized in that: the device comprises a physical detection module and an electrical module;
the physical detection module comprises a measurement head structure, a spring piece mounting structure, a mounting ear clip and a shell;
the measuring head structure and the spring piece mounting structure are both arranged in the shell, and the mounting lug clip is fixedly connected with the clamping end of the shell and is used for connecting a roundness meter;
the measuring head comprises a measuring rod, a connecting rod, a joint support, a ball socket top block and a top thread; the measuring rod is used for detecting a workpiece to be measured; the measuring rod is detachably connected with the connecting rod; the ball at the tail end of the connecting rod is in sliding fit with the ball socket top block in the joint support; the joint support is arranged at the measuring end of the shell, and a jackscrew is further arranged on the inner side of the ball socket jacking block in the joint support;
the spring piece mounting structure comprises a spring piece, a pressing block and a supporting frame; the pressing block is fixed at the measuring end of the shell, is particularly fixed above the joint support and is used for being matched with the shell and clamping and fixing the first end of the spring piece; the spring piece is arranged between the support frame and the joint support, wherein the first end of the spring piece is fixed between the shell and the pressing block by a screw, and the second end of the spring piece is fixed between the joint support and the support end of the support frame by a screw; the joint support is fixed on the support end of the support frame, and the jackscrew is in contact with the spring piece;
the electrical module comprises a wire collection structure and an electrical structure, wherein the collection structure comprises a coil base, a magnetic core, a coil rack and a coil; the magnetic core is fixed on the support frame and is arranged in the middle hole of the coil rack; the coil is wound on the bobbin; the coil rack is arranged in the coil seat hole; the electrical structure is used for transmitting the detection data acquired by the acquisition structure by using a cable.
2. A lever type roundness measuring instrument sensor as claimed in claim 1, wherein: the physical detection module also comprises a force measurement adjusting structure;
the force measurement adjusting structure comprises a spring, a spring supporting plate and a force measurement adjusting nail, wherein the spring supporting plate is arranged in the shell, a first end of the spring is fixed to a fixed end of the supporting frame, a second end of the spring is fixed to the spring supporting plate, and the force measurement adjusting nail is arranged on the spring supporting plate and used for adjusting the position of the spring supporting plate by pushing and pulling the force measurement adjusting nail.
3. A lever type roundness measuring instrument sensor as claimed in claim 1, wherein: the spring piece mounting structure further comprises a limiting plate, the limiting plate is fixed in the shell, and a hole for the supporting frame to penetrate through is formed in the middle of the limiting plate and used for limiting the movement range of the supporting frame.
4. A lever-type roundness measuring instrument sensor as claimed in claim 1, wherein: the measuring rod with the mode that the connecting rod can be dismantled and be connected does, the link of measuring rod is provided with the screw thread, the measuring rod pass through the screw thread with the connecting rod can be dismantled and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123390179.0U CN216694811U (en) | 2021-12-31 | 2021-12-31 | Lever-type roundness measuring instrument sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123390179.0U CN216694811U (en) | 2021-12-31 | 2021-12-31 | Lever-type roundness measuring instrument sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216694811U true CN216694811U (en) | 2022-06-07 |
Family
ID=81815329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123390179.0U Active CN216694811U (en) | 2021-12-31 | 2021-12-31 | Lever-type roundness measuring instrument sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216694811U (en) |
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2021
- 2021-12-31 CN CN202123390179.0U patent/CN216694811U/en active Active
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