CN212350517U - A processing device for tangential keyway of motor shaft - Google Patents
A processing device for tangential keyway of motor shaft Download PDFInfo
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- CN212350517U CN212350517U CN202021091507.XU CN202021091507U CN212350517U CN 212350517 U CN212350517 U CN 212350517U CN 202021091507 U CN202021091507 U CN 202021091507U CN 212350517 U CN212350517 U CN 212350517U
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- 238000012545 processing Methods 0.000 title claims abstract description 21
- 238000003801 milling Methods 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012549 training Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000003754 machining Methods 0.000 description 9
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
本实用新型涉及电机轴加工技术领域，尤其涉及一种电机轴切向键槽的加工装置，通过调整V形夹具的V形块在Y轴方向的平移，达到V形块的A、B两平面的中心面与铣刀中心线重合，然后将转轴安装在校正后的V形夹具上，用分度盘对转轴的一端固定，通过铣刀对转轴的第一个切向键槽进行加工，然后调整V形夹具的水平位移，并转动分度盘带动转轴绕中心线旋转120度，再次通过铣刀对转轴的第二个切向键槽进行加工。本实用新型能充分发挥设备和工装的功能，操作简单、加工的键槽精度高，对设备和操作人员的要求也不高，大大提高了该工序的加工效率，降低了生产成本。同时为企业节省了专用设备的投入和操作人员的培训成本。
The utility model relates to the technical field of motor shaft processing, in particular to a processing device for a tangential keyway of a motor shaft. The center plane coincides with the center line of the milling cutter, then install the rotating shaft on the corrected V-shaped fixture, fix one end of the rotating shaft with an indexing plate, process the first tangential keyway of the rotating shaft with the milling cutter, and then adjust the V The horizontal displacement of the shaped fixture, and the rotating indexing plate drives the rotating shaft to rotate 120 degrees around the center line, and the second tangential keyway of the rotating shaft is processed by the milling cutter again. The utility model can give full play to the functions of equipment and tooling, is simple in operation, and has high precision of the keyway for processing, and does not require high equipment and operators, thus greatly improving the processing efficiency of the process and reducing the production cost. At the same time, it saves the investment of special equipment and the training cost of operators.
Description
Technical Field
The utility model relates to a motor shaft processing technology field specifically is a processingequipment of motor shaft tangential keyway.
Background
The output of the torque and the rotating speed of the motor is usually realized by a coupling arranged on the motor to drive a coupling on the driven equipment. The motor shaft extension and the coupler are matched with each other at an angle of 120 degrees, the machining precision of the tangential key groove with the opposite opening is the key for determining the installation precision of the coupler, so that the machining difficulty is high, and the machining efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a processingequipment of motor shaft tangential keyway possesses the characteristics of simple and high-efficient processing, and it is big to have solved the tangential keyway processing degree of difficulty, problem that machining efficiency is low.
In order to achieve the above object, the utility model provides a following technical scheme: the machining device for the tangential key slot of the motor shaft comprises a milling cutter, a rotating shaft, two V-shaped clamps and an index plate, wherein the V-shaped clamps are arranged on a milling machine working table, can horizontally move along two directions of an X axis and a Y axis which are perpendicular to each other on the milling machine working table, the rotating shaft is arranged on the two V-shaped clamps, the index plate is used for controlling the rotating angle of the rotating shaft, and the milling cutter is used for machining the tangential key slot of the rotating shaft on the V-shaped clamps.
Preferably, the V-shaped clamp comprises a positioning key, a base, an adjusting screw and a V-shaped block, the positioning key is embedded into a T-shaped groove of the milling machine table surface and fixed, a key groove of the base is embedded into the positioning key, the V-shaped clamp realizes accurate movement on the X axis through the positioning key, and the V-shaped clamp realizes accurate movement on the Y axis through rotating an adjusting bolt.
Preferably, the V-shaped clamp further comprises a first pressing plate and a second pressing plate, the first pressing plate is used for fixing the V-shaped clamp on the milling machine table surface, and the second pressing plate is used for fixing the rotating shaft on the V-shaped clamp.
Preferably, the milling cutter measures the distance between the milling cutter and the A surface of the V-shaped clamp through a dial indicator, and the milling cutter measures the distance between the milling cutter and the B surface of the V-shaped clamp through the dial indicator.
Preferably, the index plate is fixed on the surface of the milling machine table, the index plate is installed at one end of the rotating shaft, and the rotating shaft rotates around the central axis by rotating the index plate handle.
Compared with the prior art, the beneficial effects of the utility model are as follows:
by adopting the V-shaped clamp, the V-shaped clamp is used for supporting and fixing the rotating shaft on one hand; on the other hand, the positioning key and the adjusting screw on the tool are utilized to finish the accurate positioning of the rotating shaft on the horizontal plane of the milling machine working table, so that the possibility of processing a high-precision tangential key groove is realized. The technical scheme can fully exert the functions of equipment and tools, is simple to operate, has high precision of the processed key slot, has low requirements on the equipment and operators, greatly improves the processing efficiency of the process and reduces the production cost. Meanwhile, the investment of special equipment and the training cost of operators are saved for enterprises.
Drawings
FIG. 1 is a schematic view of the fixing and clamping of the rotating shaft of the present invention;
FIG. 2 is a schematic view of the structure of the V-shaped clamp of the present invention;
FIG. 3 is a schematic view illustrating the symmetry adjustment of the V-shaped clamp of the present invention;
FIG. 4 is a schematic view of a first tangential keyway processing of the present invention;
fig. 5 is a schematic view of the second tangential keyway processing of the present invention.
In the figure: 1. milling cutters; 2. a rotating shaft; 3. a V-shaped clamp; 31. a positioning key; 32. a base; 33. adjusting the screw rod; 34. a V-shaped block; 35. a first platen; 36. a second platen; 4. an index plate; 5. and (4) a dial indicator.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, a device for machining a tangential keyway of a motor shaft comprises a milling cutter 1, a rotating shaft 2, two V-shaped clamps 3 and an index plate 4, wherein the V-shaped clamps 3 are mounted on a milling machine table, the V-shaped clamps 3 can horizontally move along two directions, namely an X axis and a Y axis, which are perpendicular to each other, on the milling machine table, the rotating shaft 2 is mounted on the two V-shaped clamps 3, the index plate 4 is used for controlling the rotating angle of the rotating shaft 2, and the milling cutter 1 is used for machining the tangential keyway of the rotating shaft 2 on the V-shaped clamps 3.
The V-shaped clamp 3 comprises a positioning key 31, a base 32, an adjusting screw 33 and a V-shaped block 34, the positioning key 31 is embedded into a T-shaped groove of a milling machine working table surface and fixed, a key groove of the base 32 is embedded into the positioning key 31, the V-shaped clamp 3 can move on the X axis accurately through the positioning key 31, and the V-shaped clamp 3 can move on the Y axis accurately through rotating an adjusting bolt.
The V-clamp 3 further comprises a first pressure plate 35 and a second pressure plate 36, the first pressure plate 35 being used for fixing the V-clamp 3 on the milling machine table, and the second pressure plate 36 being used for fixing the rotating shaft 2 on the V-clamp 3.
The milling cutter 1 measures the distance between the milling cutter 1 and the A surface of the V-shaped clamp 3 through a dial indicator 5, and the milling cutter 1 measures the distance between the milling cutter 1 and the B surface of the V-shaped clamp 3 through the dial indicator 5.
The index plate 4 is fixed on the surface of the milling machine table, the index plate 4 is arranged at one end of the rotating shaft 2, and the rotating shaft 2 rotates around the central axis by rotating the index plate handle through the index plate 4.
Installation and debugging of the tool:
a common vertical keyway milling machine with a working table capable of horizontally moving along an X axis and a Y axis is selected, and two square positioning keys 31 are embedded in a T-shaped groove in the middle of the working table of the milling machine. Then, two V-shaped clamps 3 are fixed on the table surface of the milling machine, and the base 32 of the V-shaped clamp 3 is embedded into the positioning key 31 by key way.
And the distance between the two V-shaped clamps 3 is adjusted along the X-axis direction, so that the front and rear bearing positions of the rotating shaft 2 can be placed in the two V-shaped grooves of the V-shaped clamps 3, and then the V-shaped clamps 3 are fixed on the surface of the milling machine workbench by using a pressing plate.
The dial indicator 5 frame with the sucking disc is sucked on the end face of the milling cutter 1 to be fixed, the dial indicator 5 is installed on the fixing rod, and the fixing rod is adjusted, so that when the dial indicator 5 rotates along with the milling cutter 1, contacts of the dial indicator 5 can respectively contact the A, B planes of the No. 1V-shaped clamp 3. Then, the milling cutter 1 is slowly rotated for one circle, and the symmetry deviation between the central plane of the two planes A, B and the central line of the milling cutter 1 is measured according to the difference between the contact of the dial indicator 5 and the shortest distances between the surface A and the surface B. According to the deviation difference, the adjusting screw 33 on the base 32 of the V-shaped clamp 3 is slowly rotated, and the central planes of the two planes A, B are coincident with the central line of the milling cutter 1 through the translation of the V-shaped block 34 in the Y-axis direction.
The symmetry of the two planes of the V-clip No. 2 3A, B was corrected in the same manner as described above.
Machining a tangential key groove:
the bearing positions at the two ends of the rotating shaft 2 are used as supporting surfaces, the rotating shaft 2 is arranged in a V-shaped groove of the V-shaped clamp 3, and the rotating shaft 2 is fixed by a pressing plate.
The index plate 4 with three claws is fixed at the tail part of the milling machine workbench, and the excircle of the non-shaft-extension end of the rotating shaft 2 is clamped by the three-claw clamp.
According to the size of the circular arc R on the tangential key groove, a vertical milling cutter 1 with the diameter of 2R is selected and installed on the milling cutter disc. And then, operating the milling machine workbench to horizontally move for R distance along the positive direction of the Y axis, so that the excircle of the milling cutter 1 is ensured to be tangent to the Y plane of the rotating shaft 2.
And according to the requirement of a drawing, finishing the processing of the first tangential key groove by adopting a milling process along the contour line of the tangential key groove.
The second pressure plate 36 on the rotating shaft 2 is released, the indexing disc 4 is rotated to drive the rotating shaft 2 to rotate 120 degrees around the central line, and then the rotating shaft 2 is fixed by the second pressure plate 36 again.
The milling machine worktable is operated to horizontally move for R distance along the Y-axis negative direction, so that the excircle of the milling cutter 1 is ensured to be tangent to the Y plane of the rotating shaft 2.
And according to the requirements of the drawing, finishing the processing of the second tangential key groove by adopting a milling process along the contour line of the tangential key groove.
The utility model discloses in, can prolong two direction horizontal accurate removal's of X axle and Y axle special V clamp 3 for support pivot 2, be equipped with the graduated disk 4 of taking the three-jaw again, in order to realize that pivot 2 passes through V clamp 3 and graduated disk 4, can accurate horizontal migration on vertical milling machine table surface and the accurate rotation that prolongs the central axis, thereby realize the processing of 2 tangential keyways of motor shaft on ordinary vertical milling machine.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021091507.XU CN212350517U (en) | 2020-06-15 | 2020-06-15 | A processing device for tangential keyway of motor shaft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021091507.XU CN212350517U (en) | 2020-06-15 | 2020-06-15 | A processing device for tangential keyway of motor shaft |
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| CN212350517U true CN212350517U (en) | 2021-01-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570881A (en) * | 2020-06-15 | 2020-08-25 | 卧龙电气驱动集团股份有限公司 | Method and device for machining tangential key groove of motor shaft |
| CN114378342A (en) * | 2022-03-08 | 2022-04-22 | 苏州科技大学 | Special numerical control machine tool for milling key groove |
| CN114406748A (en) * | 2022-01-12 | 2022-04-29 | 烟台南山铝业新材料有限公司 | Punching type ingot casting milling detection device and detection process thereof |
| CN116000384A (en) * | 2023-02-22 | 2023-04-25 | 扬力集团股份有限公司 | Key groove machining alignment device and method for double-key groove gear shaft |
-
2020
- 2020-06-15 CN CN202021091507.XU patent/CN212350517U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570881A (en) * | 2020-06-15 | 2020-08-25 | 卧龙电气驱动集团股份有限公司 | Method and device for machining tangential key groove of motor shaft |
| CN114406748A (en) * | 2022-01-12 | 2022-04-29 | 烟台南山铝业新材料有限公司 | Punching type ingot casting milling detection device and detection process thereof |
| CN114406748B (en) * | 2022-01-12 | 2024-03-26 | 烟台南山铝业新材料有限公司 | Drilling type ingot casting milling detection device and detection process thereof |
| CN114378342A (en) * | 2022-03-08 | 2022-04-22 | 苏州科技大学 | Special numerical control machine tool for milling key groove |
| CN116000384A (en) * | 2023-02-22 | 2023-04-25 | 扬力集团股份有限公司 | Key groove machining alignment device and method for double-key groove gear shaft |
| CN116000384B (en) * | 2023-02-22 | 2024-02-27 | 扬力集团股份有限公司 | Key groove machining alignment device and method for double-key groove gear shaft |
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