CN210548304U - Rotor shaft machining tool - Google Patents
Rotor shaft machining tool Download PDFInfo
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- CN210548304U CN210548304U CN201921314921.XU CN201921314921U CN210548304U CN 210548304 U CN210548304 U CN 210548304U CN 201921314921 U CN201921314921 U CN 201921314921U CN 210548304 U CN210548304 U CN 210548304U
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- rotor shaft
- positioning plate
- fixture block
- detection
- machining tool
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Abstract
The utility model discloses a rotor shaft machining tool, wherein the machining tool comprises a tool body; the rotor shaft positioning device comprises a horizontally arranged bottom plate, wherein a vertical first positioning plate is arranged on the bottom plate, a fixture block which is in inserted fit with a key groove on the rotor shaft is arranged on the right side surface of the first positioning plate, a second positioning plate which is positioned on the right side of the first positioning plate is also vertically arranged on the bottom plate, the first positioning plate and the second positioning plate are arranged opposite to each other at intervals, a vertical guide hole is formed in the upper end surface of the second positioning plate, a abdicating hole for the rotor shaft to pass through and be in inserted fit with the fixture block is formed in the second positioning plate, and the abdicating hole; the rotor shaft clamping device further comprises a fastening device which is arranged on the bottom plate and located on the right side of the second positioning plate and used for placing and clamping the rotor shaft. The tool can simplify the processing technology of the rotor shaft and improve the position precision between the key groove and the timing pin hole on the rotor shaft.
Description
Technical Field
The application relates to the technical field of generator rotor shafts, in particular to a rotor shaft machining tool.
Background
The rotor shaft is a shaft for installing a rotor in the generator, and the generator drives the rotor shaft to rotate through external power input so as to drive the rotor to rotate relative to the stator to cut the magnetic induction lines to generate electricity. The power input is generally a diesel engine or a gasoline engine, and the unit is required to be ignited at the right time in actual use.
To this end, the applicant discloses a timing generator rotor shaft, the structure of which is shown in fig. 1. One end of the shaft is provided with a key groove, the other end of the shaft is provided with a timing pin hole, wherein the axis of the timing pin hole is required to be positioned on the central symmetry plane of the key groove or the position error of the two is in a range meeting the application requirement.
In actual processing, it is difficult to drill on the excircle face, and the drill bit is easily beaten partially, and secondly it is great to add the position precision degree of difficulty of guaranteeing both with man-hour, and the mode operation of conventional marking off is complicated, and is consuming time more, and efficiency is not high. And manual errors are easily introduced into manual scribing and positioning, so that the processing rejection rate is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses how to solve the problem provides a rotor shaft processing frock, processing rotor shaft that can be convenient fast simplifies processing technology, improves the machining precision, reduces the rejection rate, reduction in production cost.
In order to achieve the above object, the present invention provides the following technical solutions:
a rotor shaft machining tool is characterized by comprising a tool body; the bottom plate is horizontally arranged, a vertical first positioning plate is arranged on the bottom plate, a fixture block which is in inserted fit with a key groove in the rotor shaft is arranged on the right side face of the first positioning plate, the width of the fixture block is equal to the width of the key groove, the length of the fixture block is smaller than or equal to the length of the key groove, a second positioning plate which is located on the right side of the first positioning plate is also vertically arranged on the bottom plate, the first positioning plate and the second positioning plate are arranged just opposite to each other at intervals, a vertical guide hole is formed in the upper end face of the second positioning plate, the diameter of the guide hole is matched with the diameter of a hole to be machined in the rotor shaft, the axis of the guide hole is located on the central symmetry plane of the fixture block, the distance from the axis of the guide hole to the right side face of the first positioning plate is equal to the distance from the axis of the hole to be machined in the rotor shaft to the end face; the rotor shaft clamping device further comprises a fastening device which is arranged on the bottom plate and located on the right side of the second positioning plate and used for placing and clamping the rotor shaft.
Therefore, the tool is mainly used for processing the semi-finished rotor shaft with the key groove. During the use, the rotor shaft is arranged in the tool, the alignment of the axis of the hole to be processed and the axis of the fixture block is realized through the matching of the fixture block and the key groove, the position of the hole to be processed on the rotor shaft is determined through the propping of the end surface of the rotor shaft and the right side surface of the first positioning plate, and the position of the hole to be processed on the shaft is completely positioned. The cutter of processing hole is guided through the guiding hole to complete the processing of processing the hole to be processed, so that the difficulty of processing the rotor shaft can be simplified due to the introduction of the device, the process is simplified, the efficiency is improved, the position degree of the key groove and the timing pin hole is ensured to be within a reasonable tolerance requirement range, and the rotor shaft with higher processing precision is obtained. The fastening device can be a third positioning plate detachably arranged on the bottom plate, the third positioning plate is parallel to the second positioning plate and is positioned on the right side of the second positioning plate, and the spacing distance between the left side surface of the third positioning plate and the right side surface of the first positioning plate is equal to the length of the rotor shaft. After the rotor shaft is installed, the rotor shaft can be fastened in a clamping mode through the two positioning plates.
Preferably, a guide drill sleeve is arranged in the guide hole.
In this way, the drill and face mill are prevented from damaging the pilot hole. Ensure the high precision of processing frock.
Preferably, the fastening device comprises a quick pressing handle and a V-shaped placing block, wherein the V-shaped placing block is horizontally arranged, and a V-shaped surface of the V-shaped placing block forms a placing surface on the periphery of the rotor shaft.
Like this, the piece cooperation disc excellent in use effect is placed to the V type, presses fast and makes things convenient for workman's operation, presses fast and to press the pressure head to realize wanting to compress tightly and upwards throw off through artifical manually operation handle through link mechanism drive pressure head and be the device commonly used in machinery.
Preferably, the V-shaped placing block is integrally arranged with the second positioning plate.
Therefore, the processing part of the timing pin hole on the rotor shaft can be better supported, and the shaking displacement is avoided.
Preferably, the quick press handle is positioned between the first positioning plate and the second positioning plate.
Thus, the above arrangement prevents the rotor shaft from being tilted due to the one-side pressurization.
Preferably, the fixture block is rectangular, the right side surface of the first positioning plate is provided with a detection circle, the center of the detection circle is located on the central symmetry plane of the fixture block and below the fixture block, the distance from the center of the detection circle to the lower side surface of the fixture block is equal to the distance from the bottom surface of the key groove on the rotor shaft to the center of the rotor shaft, and the radius of the detection circle is equal to the radius of the end surface of the rotor shaft, which is provided with the key groove.
Therefore, when the central symmetry plane of the key groove is not larger than the rotor axis due to the machining error during key groove milling, the tool can be inspected. After the key groove is spliced with the clamping block, if the end face of the rotor shaft is not completely positioned in the detection circle, the key groove is unqualified to be processed, so that the detection can be performed before drilling, unqualified semi-finished products can be found as early as possible, and the processing resources are saved.
Preferably, still include the test probe, test probe slidable wears to establish perpendicularly on first locating plate, and test probe's length is greater than the thickness of first locating plate, and test probe wears out the setting of first locating plate right flank, and test probe sets up and detects the outline line contact of circle outside and detection circle.
Therefore, the probe is arranged to be convenient for a worker to observe, and once the probe is observed to be displaced backwards, the keyway processing is unqualified. This is more intuitive.
Preferably, the number of the detection probes is three, and the three detection probes are respectively arranged at the lower end of the detection circle and at the two ends of the horizontal diameter.
In this way, as few probes as possible are provided to meet the use requirements. The cost is reduced, and the reliability of the tool is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of a rotor shaft according to the prior art;
fig. 2 is a schematic structural diagram of a rotor shaft machining tool disclosed in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first positioning plate and a detection probe in the rotor shaft machining tool disclosed by the embodiment of the present invention.
Wherein, 1 is the bottom plate, 2 is first locating plate, 3 is the fixture block, 4 is the second locating plate, 5 is the guiding hole, 6 is the hole of stepping down, 7 is the drill bushing, 8 is quick pressure handle, 9 is the V type and places the piece, 10 is the detection circle, 11 is the detection probe.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
Please refer to fig. 1 for a schematic structural diagram of a rotor shaft in the background art, fig. 2 for a schematic structural diagram of a rotor shaft processing tool disclosed in the embodiment of the present invention, and fig. 3 for a schematic structural diagram of a first positioning plate in a rotor shaft processing tool disclosed in the embodiment of the present invention.
In order to achieve the above object, the present invention provides the following technical solutions:
a rotor shaft machining tool is characterized by comprising a tool body; a bottom plate 1 which is horizontally arranged, a vertical first positioning plate 2 is arranged on the bottom plate 1, a fixture block 3 which is in inserted fit with a key groove on a rotor shaft is arranged on the right side surface of the first positioning plate 2, the width of the fixture block 3 is equal to the width of the key groove, the length of the fixture block 3 is less than or equal to the length of the key groove, a second positioning plate 4 which is positioned on the right side of the first positioning plate 2 is also vertically arranged on the bottom plate 1, the first positioning plate 2 and the second positioning plate are oppositely arranged at intervals, a vertical guide hole 5 is arranged on the upper end surface of the second positioning plate 4, the diameter of the guide hole 5 is matched with the diameter of a hole to be processed on the rotor shaft, the axis of the guide hole 5 is positioned on the central symmetrical surface of the fixture block 3, the distance from the axis of the guide hole 5 to the right side surface of the first positioning plate 2 is equal to the distance from the axis of the hole to the end surface of the end surface provided with the, the abdicating hole 6 is communicated with the guide hole 5; the device further comprises a fastening device which is arranged on the bottom plate 1 and is positioned on the right side of the second positioning plate 4 and used for placing and clamping the rotor shaft.
Therefore, the tool is mainly used for processing the semi-finished rotor shaft with the key groove. During the use with above-mentioned frock of rotor shaft packing into, realize waiting the centering of processing hole axis and fixture block 3 axis through fixture block 3 and keyway cooperation, through the rotor shaft terminal surface with 2 right flank offsets the confirmation that realize waiting the position of processing hole on the rotor shaft, the position of waiting to process the hole at epaxial location completely like this. The cutter of processing hole is guided to accomplish through guiding hole 5 and is treated the processing in processing hole, and the degree of difficulty of processing rotor shaft can be simplified to the introduction of above-mentioned device like this, simplifies the technology, raises the efficiency, ensures that the position degree of keyway and timing pinhole is in reasonable tolerance requirement scope, obtains the higher rotor shaft of machining precision. The fastening device can be a third positioning plate detachably arranged on the bottom plate 1, the third positioning plate is parallel to the second positioning plate 4 and is positioned on the right side of the second positioning plate 4, and the spacing distance between the left side surface of the third positioning plate and the right side surface of the first positioning plate 2 is equal to the length of the rotor shaft. After the rotor shaft is installed, the rotor shaft can be fastened in a clamping mode through the two positioning plates.
In the present embodiment, a pilot drill bushing 7 is provided in the pilot hole 5.
In this way, the drill and face mill are prevented from damaging the pilot hole 5. Ensure the high precision of processing frock.
In the embodiment, the fastening device comprises a quick pressing handle 8 and a V-shaped placing block 9, wherein the V-shaped placing block 9 is horizontally arranged, and a V-shaped surface of the V-shaped placing block forms a peripheral placing surface of the rotor shaft.
Like this, the piece is placed to V type 9 cooperation disc excellent in use effect, presses 8 to make things convenient for the workman to operate fast, presses 8 fast to drive the pressure head through link mechanism and realizes wanting to compress tightly and upwards throw off through artifical manually operation handle and be the device commonly used in machinery field.
In the present embodiment, the V-shaped placing block 9 is provided integrally with the second positioning plate 4.
Therefore, the processing part of the timing pin hole on the rotor shaft can be better supported, and the shaking displacement is avoided.
In the present embodiment, the quick press handle 8 is located between the first positioning plate 2 and the second positioning plate 4.
Thus, the above arrangement prevents the rotor shaft from being tilted due to the one-side pressurization.
In this embodiment, the fixture block 3 is a cuboid, the right side of the first positioning plate 2 is provided with a detection circle 10, the center of the detection circle 10 is located on the central symmetry plane of the fixture block 3 and below the fixture block 3, the distance from the center of the detection circle 10 to the lower side of the fixture block 3 is equal to the distance from the bottom surface of the key groove on the rotor shaft to the center of the rotor shaft, and the radius of the detection circle 10 is equal to the radius of the end surface of the key groove arranged on the rotor shaft.
Therefore, when the central symmetry plane of the key groove is not larger than the rotor axis due to the machining error during key groove milling, the tool can be inspected. After the key groove is spliced with the fixture block 3, if the end face of the rotor shaft is not completely positioned in the detection circle 10, the key groove is unqualified to be processed, so that the detection can be performed before drilling, unqualified semi-finished products can be found as early as possible, and the processing resources are saved.
In this embodiment, still include test probe 11, test probe 11 slidable wears to establish perpendicularly on first locating plate 2, and test probe 11's length is greater than the thickness of first locating plate 2, and test probe 11 wears out the setting of first locating plate 2 right flank, and test probe 11 sets up the outline line contact with detection circle 10 outside the detection circle 10.
Therefore, the probe is arranged to be convenient for a worker to observe, and once the probe is observed to be displaced backwards, the keyway processing is unqualified. This is more intuitive.
In this embodiment, the number of the detection probes 11 is three, and three detection probes 11 are respectively disposed at the lower end of the detection circle 10 and at both ends of the horizontal diameter.
In this way, as few probes as possible are provided to meet the use requirements. The cost is reduced, and the reliability of the tool is improved.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.
Claims (8)
1. A rotor shaft machining tool is characterized by comprising a tool body; the bottom plate is horizontally arranged, a vertical first positioning plate is arranged on the bottom plate, a fixture block which is in inserted fit with a key groove in the rotor shaft is arranged on the right side face of the first positioning plate, the width of the fixture block is equal to the width of the key groove, the length of the fixture block is smaller than or equal to the length of the key groove, a second positioning plate which is located on the right side of the first positioning plate is also vertically arranged on the bottom plate, the first positioning plate and the second positioning plate are arranged just opposite to each other at intervals, a vertical guide hole is formed in the upper end face of the second positioning plate, the diameter of the guide hole is matched with the diameter of a hole to be machined in the rotor shaft, the axis of the guide hole is located on the central symmetry plane of the fixture block, the distance from the axis of the guide hole to the right side face of the first positioning plate is equal to the distance from the axis of the hole to be machined in the rotor shaft to the end face; the rotor shaft clamping device further comprises a fastening device which is arranged on the bottom plate and located on the right side of the second positioning plate and used for placing and clamping the rotor shaft.
2. The rotor shaft machining tool according to claim 1, wherein a guide drill bushing is arranged in the guide hole.
3. The rotor shaft machining tool according to claim 1, wherein the fastening device comprises a quick pressing handle and a V-shaped placing block, and the V-shaped placing block is horizontally arranged, and a V-shaped surface of the V-shaped placing block forms a peripheral placing surface of the rotor shaft.
4. The rotor shaft machining tool according to claim 3, wherein the V-shaped placing block and the second positioning plate are integrally arranged.
5. The rotor shaft machining tool according to claim 3, wherein the quick press handle is located between the first positioning plate and the second positioning plate.
6. The tool for machining the rotor shaft according to claim 1, wherein the fixture block has a rectangular parallelepiped shape, the right side surface of the first positioning plate is provided with a detection circle, the center of the detection circle is located on the central symmetry plane of the fixture block and below the fixture block, the distance from the center of the detection circle to the lower side surface of the fixture block is equal to the distance from the bottom surface of the key groove on the rotor shaft to the center of the rotor shaft, and the radius of the detection circle is equal to the radius of the end surface of the rotor shaft at the end where the key groove is provided.
7. The rotor shaft machining tool according to claim 6, further comprising a detection probe, wherein the detection probe is slidably and vertically arranged on the first positioning plate in a penetrating manner, the length of the detection probe is larger than the thickness of the first positioning plate, the detection probe penetrates through the right side face of the first positioning plate, and the detection probe is arranged on the outer side of the detection circle and contacts with the contour line of the detection circle.
8. The rotor shaft machining tool according to claim 7, wherein the number of the detection probes is three, and the three detection probes are respectively arranged at the lower end of the detection circle and at the two ends of the horizontal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921314921.XU CN210548304U (en) | 2019-08-14 | 2019-08-14 | Rotor shaft machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921314921.XU CN210548304U (en) | 2019-08-14 | 2019-08-14 | Rotor shaft machining tool |
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| Publication Number | Publication Date |
|---|---|
| CN210548304U true CN210548304U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921314921.XU Active CN210548304U (en) | 2019-08-14 | 2019-08-14 | Rotor shaft machining tool |
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| CN (1) | CN210548304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340408A (en) * | 2019-08-14 | 2019-10-18 | 重庆市浩帆机械有限公司 | A kind of armature spindle processing tool and processing method |
-
2019
- 2019-08-14 CN CN201921314921.XU patent/CN210548304U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340408A (en) * | 2019-08-14 | 2019-10-18 | 重庆市浩帆机械有限公司 | A kind of armature spindle processing tool and processing method |
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