CN220690006U - Concentricity gauge for electric tool - Google Patents
Concentricity gauge for electric tool Download PDFInfo
- Publication number
- CN220690006U CN220690006U CN202322193380.2U CN202322193380U CN220690006U CN 220690006 U CN220690006 U CN 220690006U CN 202322193380 U CN202322193380 U CN 202322193380U CN 220690006 U CN220690006 U CN 220690006U
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- motor
- rotating shaft
- rotor core
- simulation motor
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- 238000004088 simulation Methods 0.000 claims abstract description 65
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 238000007689 inspection Methods 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
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- Motor Or Generator Frames (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a concentricity gauge of an electric tool, which comprises a simulation motor stator, a simulation motor rotating shaft, a detection block for detecting the distance between the inner wall of the simulation motor stator and the surface of a simulation motor rotor core, and a simulation head shell for supporting the simulation motor rotating shaft, wherein the simulation motor rotor core is detachably arranged on the simulation motor rotating shaft, the simulation motor rotor core is arranged in the simulation motor stator, the detection block is detachably arranged on the simulation motor rotor core, and the simulation head shell is detachably arranged at one end of the simulation motor rotating shaft; the utility model is simple and practical in practical application, flexible and changeable in application, can meet various detection requirements by replacing the test blocks with different sizes, can obtain the detection result faster and more accurately, reduces the risk of die repair errors, and reduces hidden costs of factory labor, time and the like.
Description
Technical Field
The utility model relates to the technical field of concentricity detection of electric tools, in particular to a concentricity detection tool of an electric tool.
Background
The motor stator and the rotor of the electric tool are provided with air gaps, as the series excited motor of the electric tool develops, the smaller the air gap is (the smaller the motor air gap is, the lower the iron loss is, the better the performance is), so that the mechanical friction risk existing between the motor stator and the rotor is improved, the air gap (concentricity) between the motor stator and the rotor is required to be controlled accurately, in the control process, concentricity checking is an essential control means, the concentricity checking tool used for conventional concentricity checking is of a fixed size, the applicability of the fixed size checking tool is poor due to various motor sizes, the test mold product is unstable due to the influence of various factors such as an injection molding process, a steaming process, materials and the like when a new mold opening test mold is carried out, and the fixed size checking tool cannot be used in a very good fit mode, so that a more accurate mold repairing scheme cannot be made, and the working efficiency is seriously influenced.
Therefore, we propose a concentricity gauge for an electric tool.
Disclosure of Invention
It is an object of the present utility model to provide a concentricity gauge for a power tool that solves or at least alleviates one or more of the above-identified problems and other problems of the prior art.
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
a concentricity testing fixture for a power tool, comprising:
simulating a motor stator;
the simulation motor comprises a simulation motor rotating shaft, wherein a simulation motor rotor iron core is detachably arranged on the simulation motor rotating shaft and is arranged in a simulation motor stator;
the test block is used for detecting the distance between the inner wall of the stator of the simulation motor and the surface of the rotor core of the simulation motor, and is detachably arranged on the rotor core of the simulation motor;
the simulation head shell is used for supporting the simulation motor rotating shaft, and is detachably arranged at one end of the simulation motor rotating shaft.
According to the concentricity gauge for the electric tool, a placing groove is formed in the rotor core of the analog motor, and the inspection block is arranged in the placing groove.
According to the concentricity gauge for the electric tool, two placing grooves are formed, the two placing grooves are respectively formed in the top and the bottom of the rotor core of the analog motor, two checking blocks are arranged, and the two checking blocks are respectively arranged in the corresponding placing grooves.
According to the concentricity testing fixture of the electric tool, the first mounting groove communicated with the placing groove is formed in the rotor core of the analog motor, and the first strong magnet block used for magnetically attracting the testing block is fixedly arranged in the first mounting groove.
According to the concentricity gauge for the electric tool, one end of the rotor core of the simulation motor is provided with the limiting groove, the rotating shaft of the simulation motor is fixedly connected with the limiting plate, and the limiting plate is clamped in the limiting groove.
According to the concentricity gauge of the electric tool, one end of the rotor core of the analog motor is provided with the second mounting groove communicated with the limiting groove, and the second strong magnet block for magnetically attracting the limiting plate is fixedly connected to the inside of the limiting groove.
According to the concentricity gauge for the electric tool, the simulated head shell comprises the annular shell, the support frame is fixedly connected inside the annular shell, the spigot is arranged in the center of the support frame, the bearing is sleeved at one end, close to the simulated head shell, of the rotating shaft of the simulated motor, and the bearing is detachably inserted into the spigot.
According to the concentricity gauge for the electric tool, one end, close to the bearing, of the simulated motor rotating shaft is sleeved with the mounting plate, the limiting groove is provided with the threaded hole, the mounting plate is fixedly mounted on the supporting frame through the bolt, and the bearing is extruded and fixed in the spigot by the mounting plate.
The utility model has at least the following beneficial effects:
the utility model is simple and practical in practical application, flexible and changeable in application, can meet various detection requirements by replacing the test blocks with different sizes, can obtain the detection result faster and more accurately, reduces the risk of die repair errors, and reduces hidden costs of factory labor, time and the like.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of a dummy head shell of the present utility model;
fig. 3 is a schematic structural view of a rotor core of an analog motor according to the present utility model;
fig. 4 is a schematic structural diagram of a rotating shaft of a simulation motor according to the present utility model.
Reference numerals illustrate:
1. simulating a motor stator; 2. a test block; 3. simulating a motor rotating shaft; 301. a placement groove; 302. a limit groove; 303. a first mounting groove; 304. a second mounting groove; 4. simulating a motor rotor core; 401. a mounting plate; 402. a bolt; 403. a bearing; 404. a limiting plate; 5. simulating a head shell; 501. an annular housing; 502. a support frame; 503. a spigot; 504. and (3) a threaded hole.
Detailed Description
The embodiments of the present application will be described in detail below with reference to the accompanying drawings and examples, so that the implementation process of how the technical means are applied to solve the technical problems and achieve the technical effects of the present application can be fully understood and implemented accordingly.
Referring to fig. 1 to 4, the present embodiment provides a concentricity gauge for an electric tool, which includes a simulation motor stator 1, a test block 2, a simulation motor rotor core 3, a simulation motor shaft 4, and a simulation head housing 5.
Wherein, the simulation motor rotor core 3 can be dismantled and install on the simulation motor pivot 4, the spacing groove 302 has been seted up to the one end of simulation motor rotor core 3, fixedly connected with limiting plate 404 on the simulation motor pivot 4, limiting plate 404 card is established inside spacing groove 302, the second mounting groove 304 that is linked together with spacing groove 302 has been seted up to the one end of simulation motor rotor core 3, the inside fixedly connected with of spacing groove 302 is used for carrying out the second strong magnet piece that magnetic attraction to limiting plate 404.
Through adopting above-mentioned technical scheme, through the strong magnet of second with limiting plate 404 tightly fixed in spacing groove 302, and then can make between simulation motor rotor core 3 and the simulation motor pivot 4 stable the connection.
A inspection piece 2 for detecting distance between simulation motor stator 1 inner wall and simulation motor rotor core 3 surface dismantles installs on simulation motor rotor core 3, in this embodiment, set up standing groove 301 on the simulation motor rotor core 3, inspection piece 2 sets up in the inside of standing groove 301, for the dismouting of being convenient for inspection piece 2, first mounting groove 303 that is linked together with standing groove 301 has been seted up on the simulation motor rotor core 3, first mounting groove 303 internally fixed has the first strong magnet piece that is used for carrying out magnetic attraction to inspection piece 2, can fix inspection piece 2 inside standing groove 301 through the first strong magnet piece that sets up, when needs change inspection piece 2, only need to follow the interior perk of standing groove 301 with inspection piece 2 and can change.
In order to improve detection efficiency, the placing grooves 301 are arranged in two, the two placing grooves 301 are respectively formed in the top and the bottom of the rotor core 3 of the analog motor, the two detecting blocks 2 are arranged in the placing grooves 301 corresponding to the two placing grooves, and the detecting blocks 2 are respectively arranged in the top and the bottom of the rotor core 3 of the analog motor, wherein when the rotor core 3 of the analog motor rotates, the upper and lower spaces between the inner wall of the stator 1 of the analog motor and the surface of the rotor core 3 of the analog motor can be detected simultaneously.
A simulation head shell 5 for supporting simulation motor pivot 4 demountable installation is in the one end of simulation motor pivot 4, simulation head shell 5 includes annular casing 501, annular casing 501's inside fixedly connected with support frame 502, tang 503 has been seted up at the center of support frame 502, simulation motor pivot 4 is close to simulation head shell 5's one end cover is equipped with bearing 403, bearing 403 demountable grafting is inside tang 503, in order to avoid bearing 403 to follow tang 503 and slide off, simulation motor pivot 4 is close to bearing 403's one end cover and is equipped with mounting panel 401, threaded hole 504 has been seted up on the spacing groove 302, mounting panel 401 passes through bolt 402 fixed mounting on support frame 502, bearing 403 is fixed in tang 503 by mounting panel 401 extrusion.
Both the inspection block 2 and the limiting plate 404 are made of metal that can be attracted by the magnetic force of a magnet.
The inspection block 2 is prepared into various specifications, and different requirements of detection gaps can be met by replacing the inspection block 2.
In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.
Working principle: when the motor is used, the inspection block 2 with the corresponding size is arranged in the placing groove 301, and then the motor shaft 4 is rotated, so that the distance between the inner wall of the motor stator 1 and the surface of the motor rotor core 3 can be detected.
While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (8)
1. The utility model provides a utensil is examined to electric tool concentricity which characterized in that includes:
simulating a motor stator;
the simulation motor comprises a simulation motor rotating shaft, wherein a simulation motor rotor iron core is detachably arranged on the simulation motor rotating shaft and is arranged in a simulation motor stator;
the test block is used for detecting the distance between the inner wall of the stator of the simulation motor and the surface of the rotor core of the simulation motor, and is detachably arranged on the rotor core of the simulation motor;
the simulation head shell is used for supporting the simulation motor rotating shaft, and is detachably arranged at one end of the simulation motor rotating shaft.
2. The concentricity testing fixture of claim 1, wherein: the simulated motor rotor core is provided with a placing groove, and the inspection block is arranged in the placing groove.
3. The concentricity testing fixture of claim 2, wherein: the utility model discloses a motor rotor iron core, including the analog motor rotor iron core, the standing groove is provided with two, two the standing groove is seted up respectively the top and the bottom of analog motor rotor iron core, the inspection piece is provided with two, two the inspection piece sets up respectively rather than the inside of standing groove.
4. The concentricity testing fixture of claim 3, further comprising: the simulated motor rotor core is provided with a first mounting groove communicated with the placing groove, and a first strong magnet block used for magnetically attracting the test block is fixedly mounted in the first mounting groove.
5. The concentricity testing fixture of claim 1, wherein: the motor rotor core is characterized in that a limiting groove is formed in one end of the motor rotor core, a limiting plate is fixedly connected to a rotating shaft of the motor, and the limiting plate is clamped inside the limiting groove.
6. The concentricity testing fixture of claim 5, wherein: the second mounting groove that is linked together with the spacing groove is seted up to the one end of simulation motor rotor core, the inside fixedly connected with in spacing groove is used for right the limiting plate carries out the second strong magnet piece that magnetic attraction.
7. The concentricity testing fixture of claim 6, wherein: the simulation head shell comprises an annular shell body, a supporting frame is fixedly connected to the inside of the annular shell body, a spigot is arranged at the center of the supporting frame, a bearing is sleeved at one end of the simulation motor rotating shaft, which is close to the simulation head shell body, and the bearing is detachably inserted into the spigot.
8. The concentricity testing fixture of claim 7, wherein: the simulated motor rotating shaft is provided with a mounting plate in a sleeved mode, one end, close to the bearing, of the simulated motor rotating shaft, a threaded hole is formed in the limiting groove, the mounting plate is fixedly mounted on the supporting frame through bolts, and the bearing is extruded and fixed in the spigot through the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322193380.2U CN220690006U (en) | 2023-08-15 | 2023-08-15 | Concentricity gauge for electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322193380.2U CN220690006U (en) | 2023-08-15 | 2023-08-15 | Concentricity gauge for electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220690006U true CN220690006U (en) | 2024-03-29 |
Family
ID=90373688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322193380.2U Active CN220690006U (en) | 2023-08-15 | 2023-08-15 | Concentricity gauge for electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220690006U (en) |
-
2023
- 2023-08-15 CN CN202322193380.2U patent/CN220690006U/en active Active
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