CN212071070U - Butterfly bearing locating hole processing equipment - Google Patents
Butterfly bearing locating hole processing equipment Download PDFInfo
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- CN212071070U CN212071070U CN202020837137.3U CN202020837137U CN212071070U CN 212071070 U CN212071070 U CN 212071070U CN 202020837137 U CN202020837137 U CN 202020837137U CN 212071070 U CN212071070 U CN 212071070U
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- 238000012545 processing Methods 0.000 title claims abstract description 33
- 238000003754 machining Methods 0.000 claims abstract description 32
- 239000000523 sample Substances 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses publicly a butterfly bearing locating hole processing equipment, including installing at the inside organism of digit control machine tool housing and the numerical control system of control organism operation, butterfly bearing locating hole processing technology, including following step: s1, constructing processing equipment; s2, detecting the mounting position of the workpiece; s3, coarse grinding; s4, finely boring a positioning hole; s5, measuring and checking the workpiece; and S6, measuring and checking the positioning hole. The utility model utilizes the high-precision probe to detect the position of the workpiece after installation and the processed result, and the processing equipment integrates the processing and detecting functions into a whole, thereby reducing the requirement on the installation position of the workpiece and obviously improving the processing efficiency; just the utility model discloses a to the thick of locating hole, smart section grind processing and high-speed bore hole processing, suitably set up the locating hole finish boring allowance, both reduced the wearing and tearing expense of cutter and improved the machining precision of locating hole again, provide an effectual solution for the processing of butterfly bearing locating hole.
Description
Technical Field
The utility model belongs to the technical field of butterfly bearing processing, concretely relates to butterfly bearing locating hole processing equipment.
Background
The butterfly bearing positioning hole(s) is one of the installation positioning references of the bearing in operation, and is also a manufacturing reference in the manufacturing process of the bearing. The butterfly bearing shown in fig. 1 has very high requirements on the size precision, the position precision and the surface roughness of the positioning hole, and the machining precision of the positioning hole seriously affects the quality of a final product. The traditional machining process of the butterfly bearing positioning hole is that a bench worker drills by adopting a drill jig or drills and mills by a numerical control machining center. If the butterfly-shaped bearing positioning hole is processed to the size before heat treatment, the size and position precision are poor due to deformation after heat treatment; if the workpiece is placed in a positioning hole to be machined after heat treatment, due to the fact that the hardness of the material after heat treatment is too high (HRC 62-66), the traditional bench worker drilling jig drilling method is difficult to machine, if a precision coordinate grinding machine is selected for machining, an operator needs to continuously adjust parameters of a numerical control coordinate grinding machine to machine according to experience accumulated in work in the machining process, machining efficiency is low (only 2 workpieces can be machined every day), the workpiece can only be dismounted from a machine tool after being machined, corresponding data can be detected through a precision three-coordinate measuring instrument, the workpiece belongs to a special complex structure of a bearing, the precision requirement is high, real-time dynamic monitoring of machining precision cannot be carried out in the machining process, once the detected data cannot meet the design requirement after being dismounted, secondary clamping machining cannot be carried out, and the workpiece is rejected. Secondly, the domestic numerical control coordinate grinding machine has a short plate on the machining precision, and the requirement of the design precision cannot be met when the workpiece is machined. Therefore, a practical and reliable process needs to be designed for the positioning hole processing of the butterfly bearing so as to ensure the processing quality of the product.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, an object of the present invention is to provide a butterfly bearing positioning hole processing device which breaks through the short plate of the traditional jig grinder with low quenching efficiency and precision, has high product processing precision, and improves the efficiency greatly. The specific technical scheme is as follows:
a butterfly bearing positioning hole machining device comprises a machine body and a numerical control system, wherein the machine body is installed inside a shell of the numerical control machine tool, the numerical control system is used for controlling the machine body to run, the machine body comprises a base arranged at the bottom of the inner side of the shell, two Y-axis guide rails longitudinally installed at the top of the base, a saddle transversely installed on the Y-axis guide rails and capable of sliding back and forth along the Y-axis guide rails, two X-axis guide rails transversely fixed at the top of the saddle, a workbench transversely installed on the X-axis guide rails and capable of sliding left and right along the X-axis guide rails, a stand vertically fixed at the rear side of the top of the base, two Z-axis guide rails vertically fixed on the front side of the stand, a main shaft box vertically installed on the Z-axis guide rails and capable of sliding up and down along the Z-axis guide rails, the main shaft box is located above the workbench, a Y-coordinate feeding shaft which is longitudinally installed between An X-coordinate feed shaft which is connected with the bottom of the workbench and can drive the workbench to slide left and right along an X-axis guide rail is transversely arranged at the middle position, a Z-coordinate feed shaft which is connected with the back of the main spindle box and can drive the main spindle box to slide up and down along the Z-axis guide rail is vertically arranged at the position between the two Z-axis guide rails on the upright post, an electric rough machining main shaft for rough machining of the positioning hole and a high-precision high-speed main shaft for high-speed fine boring of the positioning hole are vertically arranged on the main spindle box, a Y-axis grating ruler is arranged on the side surface of the Y-axis guide rail, an X-axis grating ruler is arranged on the front side surface of the X-axis guide rail, a Z-axis grating ruler is arranged on the side surface of the Z-axis guide rail, a probe mounting seat is arranged on the Z-axis position at the back side of the electric rough machining main shaft and the high-precision, and measuring and positioning the workpiece on line, and writing corresponding detection codes according to different products and storing the detection codes into a system for calling.
Further, the ball screws of the Y-coordinate feed shaft, the X-coordinate feed shaft, and the Z-coordinate feed shaft are arranged in a C0 stage.
Furthermore, the Y-coordinate feeding shaft and the Y-axis grating ruler are connected with a numerical control system to form closed-loop control; the X-coordinate feeding shaft and the X-axis grating ruler are connected with a numerical control system to form closed-loop control; and the Z coordinate feeding shaft and the Z-axis grating ruler are connected with a numerical control system to form closed-loop control.
Further, the rotating speed of the electric spindle for rough machining is 60000 r/min; the rotating speed of the high-precision high-speed main shaft is less than 24000 r/min.
Furthermore, the precision of the Y-axis grating ruler, the X-axis grating ruler and the Z-axis grating ruler is 0.001 mm.
Compared with the prior art, the utility model has the advantages of:
(1) the position of the workpiece after installation and the processed result are detected by using the high-precision probe, and the processing equipment integrates the processing and detecting functions, so that the requirement on the installation position of the workpiece is reduced, and the processing efficiency is improved.
(2) The rough section and the fine section of the positioning hole are ground and bored at high speed, and the fine boring allowance of the positioning hole is properly set, so that the abrasion cost of a cutter is reduced, the machining precision of the positioning hole is improved, and an effective solution is provided for machining the positioning hole of the butterfly bearing.
Drawings
Fig. 1 is a schematic structural view of the butterfly bearing positioning hole processing equipment of the present invention;
FIG. 2 is a right side view of the butterfly bearing positioning hole machining apparatus shown in FIG. 1;
fig. 3 is a schematic diagram of a structure diagram and a positioning hole of the butterfly bearing provided by the present invention.
Shown in the figure: 1-base, 2-Y axis guide rail, 3-saddle, 4-X axis guide rail, 5-workbench, 6-column, 7-Z axis guide rail, 8-main spindle box, 9-Y coordinate feed shaft, 10-X coordinate feed shaft, 11-Z coordinate feed shaft, 12-electric main shaft for rough machining, 13-high precision high-speed main shaft, 14-Y axis grating ruler, 15-X axis grating ruler, 16-Z axis grating ruler and 17-probe mounting seat.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the drawings of the present application are only used to match the contents disclosed in the specification, so as to be known and read by those skilled in the art, and not to limit the practical limitations of the present invention, so that the present application does not have any technical significance, and any modification of the structure, change of the ratio relationship, or adjustment of the size should still fall within the scope of the present application without affecting the function and the achievable purpose of the present application. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be considered as the scope of the present invention without substantial changes in the technical content.
Example (b):
fig. 3 is a schematic diagram of a structure diagram and a positioning hole of the butterfly bearing of the present invention, wherein the positioning hole is a circular ring body on the way.
As shown in figures 1 and 2, the butterfly bearing positioning hole processing equipment comprises a machine body and a numerical control system, wherein the machine body is arranged inside a shell of the numerical control machine tool, the numerical control system is used for controlling the machine body to operate, the machine body comprises a base 1 arranged at the bottom of the inner side of the shell, two Y-axis guide rails 2 longitudinally arranged at the top of the base 1, a saddle 3 transversely arranged on the Y-axis guide rails 2 and capable of sliding back and forth along the Y-axis guide rails 2, two X-axis guide rails 4 transversely fixed at the top of the saddle 3, a workbench 5 transversely arranged on the X-axis guide rails 4 and capable of sliding left and right along the X-axis guide rails 4, a stand 6 vertically fixed at the rear side of the top of the base 1, two Z-axis guide rails 7 vertically fixed at the front side of the stand 6, a spindle box 8 vertically arranged on the Z-axis guide rails 7 and capable of sliding up and down along the Z-axis guide rails 7, the spindle box 8 is A Y-axis feed shaft 9 which is connected with and can drive the saddle 3 to slide back and forth along the Y-axis guide rail 2, an X-axis feed shaft 10 which is connected with the bottom of the workbench 5 and can drive the workbench 5 to slide left and right along the X-axis guide rail 4 is transversely arranged at a position between the two X-axis guide rails 4 on the saddle 3, a Z-axis feed shaft 11 which is connected with the back of the headstock 8 and can drive the headstock 8 to slide up and down along the Z-axis guide rails 7 is vertically arranged at a position between the two Z-axis guide rails 7 on the upright post 6, an electric spindle 12 for rough machining of a positioning hole and a high-precision high-speed spindle 13 for high-speed fine boring of the positioning hole are vertically arranged on the headstock 8, a Y-axis grating ruler 14 is arranged on the side surface of the Y-axis guide rail 2, an X-axis grating ruler 15 is arranged on the front side surface of the X-axis guide rail 4, a Z-axis grating ruler 16 is arranged on the side surface of the Z-axis guide rail 7, and a The device comprises a mounting seat 17, wherein a high-precision omnidirectional detection probe is mounted on the probe mounting seat 17 and connected with a numerical control system, the high-precision omnidirectional detection probe is used for measuring and positioning a workpiece on line, and corresponding detection codes are compiled according to different products and stored in the system to be called.
Further, the ball screws of the Y-coordinate feed shaft 9, the X-coordinate feed shaft 10, and the Z-coordinate feed shaft 11 are arranged at a C0 stage.
Further, the Y-coordinate feeding shaft 9 and the Y-axis grating ruler 14 are connected with a numerical control system to form closed-loop control; the X-coordinate feeding shaft 10 and the X-axis grating ruler 15 are connected with a numerical control system to form closed-loop control; and the Z coordinate feed shaft 11 and the Z axis grating ruler 16 are connected with a numerical control system to form closed-loop control.
Further, the rotating speed of the electric spindle 12 for rough machining is 60000 r/min; the rotating speed of the high-precision high-speed main shaft 13 is less than 24000 r/min.
Furthermore, the precision of the Y-axis grating ruler 14, the X-axis grating ruler 15 and the Z-axis grating ruler 16 is 0.001 mm.
A butterfly bearing positioning hole machining process comprises the following steps:
s1, positioning the workpiece: the machine tool housing is opened, the workpiece is clamped and positioned on the workbench 5 by the clamp, and then the housing is closed.
S2, workpiece mounting position detection: and the high-precision omnidirectional detection probe is used for positioning and detecting the workpiece, automatically generating a workpiece reference position and sending the workpiece reference position into a numerical control system of a numerical control machine tool.
S3, rough grinding: a diamond grinding wheel is arranged on the electric spindle 12 for rough machining; the preset machining parameters automatically guide the diamond grinding wheel on the electric spindle 12 for rough machining of the numerical control machine tool to grind a plurality of positioning holes on the workpiece.
S4, finely boring a positioning hole: and (3) driving a CBN boring cutter (namely a boron nitride boring cutter) arranged on the high-precision high-speed main shaft 13 by using the high-precision high-speed main shaft 13 to carry out primary high-speed fine boring on the positioning hole of the workpiece.
S5, measurement and inspection of the workpiece: starting a high-precision omnidirectional detection probe measuring range sequence to carry out online measurement on the workpiece, comparing the measured data with the workpiece precision value, inputting the visual data difference value into a numerical control system of a numerical control machine tool, adjusting the boring head to carry out secondary high-speed boring processing on a plurality of positioning holes, starting the high-precision omnidirectional detection probe measuring range sequence again to carry out online measurement on the workpiece after the processing is finished, and if the measured data and the workpiece precision comparison value is smaller than the design requirement, processing the workpiece to the size by adjusting the boring head.
S6, measuring and checking the positioning hole: and the high-precision probe carries out on-line measurement on the machined positioning hole, checks the machining result and compares the measured data with the workpiece precision value.
Further, the removal amount of the positioning hole in the step S3 is 0.1mm to 0.12 mm.
Further, the boring removal amount of the positioning hole in the steps S4 and S5 is 0.08mm-0.1 mm;
further, in steps S5 and S6, the workpiece precision value is: the shape precision of the positioning hole is less than or equal to 0.003mm, Ra is less than or equal to 0.5 mu m, and the position precision is less than or equal to 0.005 mm.
And further, parameter correction is carried out on the online detection result in the step S6, and after the parameter correction, the CBN boring cutter is driven by the high-precision high-speed spindle to carry out third fine boring.
In summary, by improving the precision control measures of the butterfly bearing processing equipment and configuring the high-precision online detection probe, the position of the installed workpiece is detected by the high-precision omnidirectional probe and then sent to the control system for automatic parameter optimization, the processing methods of hole grinding and high-speed boring are respectively adopted for rough and fine processing in the processing technology, and the online detection after processing is adopted, so that the method has the advantages of good processing precision, high processing efficiency, simplicity in operation, rapidness and reliability in detection, and an effective solution is provided for the high-precision processing of the butterfly bearing positioning hole.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus, and the use of the phrase "comprising a" does not exclude the presence of other similar elements in the process, method, article, or apparatus that comprises such elements.
The protection scope of the present invention is not limited to the technical solution disclosed in the specific embodiment, and all the modifications, equivalent replacements, improvements, etc. made by the technical entity of the present invention to the above embodiments all fall into the protection scope of the present invention.
Claims (5)
1. A butterfly bearing positioning hole machining device comprises a machine body and a numerical control system, wherein the machine body is installed inside a shell of the numerical control machine tool, the numerical control system is used for controlling the machine body to run, the machine body comprises a base arranged at the bottom of the inner side of the shell, two Y-axis guide rails longitudinally installed at the top of the base, a saddle transversely installed on the Y-axis guide rails and capable of sliding back and forth along the Y-axis guide rails, two X-axis guide rails transversely fixed at the top of the saddle, a workbench transversely installed on the X-axis guide rails and capable of sliding left and right along the X-axis guide rails, a stand vertically fixed at the rear side of the top of the base, two Z-axis guide rails vertically fixed on the front side of the stand, a main shaft box vertically installed on the Z-axis guide rails and capable of sliding up and down along the Z-axis guide rails, the main shaft box is located above the workbench, a Y-coordinate feeding shaft which is longitudinally An X-coordinate feed shaft which is connected with the bottom of the workbench and can drive the workbench to slide left and right along an X-axis guide rail is transversely arranged between the two Z-axis guide rails, a Z-coordinate feed shaft which is connected with the back of the spindle box and can drive the spindle box to slide up and down along the Z-axis guide rail is vertically arranged at a position between the two Z-axis guide rails on the upright post, the X-coordinate feed shaft is characterized in that an electric spindle for rough machining of a positioning hole and a high-precision high-speed spindle for high-speed fine boring of the positioning hole are vertically arranged on the spindle box, a Y-axis grating ruler is arranged on the side surface of the Y-axis guide rail, an X-axis grating ruler is arranged on the front side surface of the X-axis guide rail, a Z-axis grating ruler is arranged on the side surface of the Z-axis guide rail, a probe mounting seat is arranged on the Z-axis position of the bottom of the spindle box, which is positioned at the, and measuring and positioning the workpiece on line, and writing corresponding detection codes according to different products and storing the detection codes into a system for calling.
2. The butterfly bearing positioning hole machining equipment as claimed in claim 1, wherein: the ball screws of the Y-coordinate feed shaft, the X-coordinate feed shaft and the Z-coordinate feed shaft are configured to be C0 grade.
3. The butterfly bearing positioning hole machining equipment as claimed in claim 1, wherein: the Y-coordinate feeding shaft and the Y-axis grating ruler are connected with a numerical control system to form closed-loop control; the X-coordinate feeding shaft and the X-axis grating ruler are connected with a numerical control system to form closed-loop control; and the Z coordinate feeding shaft and the Z-axis grating ruler are connected with a numerical control system to form closed-loop control.
4. The butterfly bearing positioning hole machining equipment as claimed in claim 1, wherein: the rotating speed of the electric spindle for rough machining is 60000 r/min; the rotating speed of the high-precision high-speed main shaft is less than 24000 r/min.
5. The butterfly bearing positioning hole processing device as claimed in any one of claims 1 to 4, wherein: and the precision of the Y-axis grating ruler, the X-axis grating ruler and the Z-axis grating ruler is 0.001 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020837137.3U CN212071070U (en) | 2020-05-19 | 2020-05-19 | Butterfly bearing locating hole processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020837137.3U CN212071070U (en) | 2020-05-19 | 2020-05-19 | Butterfly bearing locating hole processing equipment |
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| CN212071070U true CN212071070U (en) | 2020-12-04 |
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| CN202020837137.3U Active CN212071070U (en) | 2020-05-19 | 2020-05-19 | Butterfly bearing locating hole processing equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390567A (en) * | 2020-05-19 | 2020-07-10 | 贵州天马虹山轴承有限公司 | Butterfly bearing positioning hole machining equipment and machining process |
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2020
- 2020-05-19 CN CN202020837137.3U patent/CN212071070U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390567A (en) * | 2020-05-19 | 2020-07-10 | 贵州天马虹山轴承有限公司 | Butterfly bearing positioning hole machining equipment and machining process |
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