CN109282780B - Online detection mechanism of crankshaft grinder - Google Patents
Online detection mechanism of crankshaft grinder Download PDFInfo
- Publication number
- CN109282780B CN109282780B CN201811497859.2A CN201811497859A CN109282780B CN 109282780 B CN109282780 B CN 109282780B CN 201811497859 A CN201811497859 A CN 201811497859A CN 109282780 B CN109282780 B CN 109282780B
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- fixedly connected
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- telescopic rod
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- detection probe
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- 238000001514 detection method Methods 0.000 title claims abstract description 91
- 239000000523 sample Substances 0.000 claims abstract description 82
- 238000000034 method Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 description 12
- 230000001154 acute effect Effects 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention provides an online detection mechanism of a crankshaft grinder, which comprises a support cross rod and a detection device fixed on the support cross rod, wherein the support cross rod is positioned above a workbench surface and is fixedly connected with a lathe bed; the detection device comprises a pair of detection probes which are distributed in parallel and a driving device for driving the detection probes to move up and down along the workbench surface; the detection probe is clamped on the outer circumferential surface of the crankshaft journal, and the axial included angle between the detection probe and the crankshaft journal is not equal to 90 degrees. The on-line detection mechanism of the crankshaft grinder provided by the invention can realize that the detection probe is automatically clamped to the journal and automatically retracted, does not need manual operation, saves labor cost, improves processing efficiency, improves processing precision, can ensure that the detection probe can be stably fixed in the crankshaft processing process, and ensures measurement precision.
Description
Technical Field
The invention belongs to the technical field of crankshaft machining equipment, and particularly relates to an online detection mechanism of a crankshaft grinder.
Background
In the processing process of the crankshaft, the main journal and the connecting rod journal of the crankshaft need to be ground, and the online detection device of the crankshaft can detect the outer diameter of the processed journal online so as to judge the processing degree and improve the processing precision. When a certain journal is machined, a detection probe is clamped to the position of the certain journal, when the next journal is machined, the detection probe is taken down and clamped to the position of the next journal, the process needs to be operated manually, the machining progress of the crankshaft is seriously affected in the operation process, the machining precision is affected due to the fact that the operation error is large in manual operation, and in addition, the problem that how to stably fix the detection probe in the machining process of the crankshaft is also solved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the on-line detection mechanism of the crankshaft grinder, which can realize that a detection probe is automatically clamped to a journal and automatically retracted, does not need manual operation, saves labor cost, improves processing efficiency, improves processing precision, can ensure that the detection probe can be stably fixed in the processing process of a crankshaft, and ensures measurement precision.
In order to achieve the above object, the present invention adopts the following solutions: the on-line detection mechanism of the crankshaft grinder comprises a support cross rod and a detection device fixed on the support cross rod, wherein the support cross rod is positioned above the working table, and the support cross rod is fixedly connected with the lathe bed; the detection device comprises a pair of detection probes which are distributed in parallel and a driving device for driving the detection probes to move up and down along the workbench surface; the detection probe is clamped on the outer circumferential surface of the crankshaft journal, and the axial included angle between the detection probe and the crankshaft journal is not equal to 90 degrees.
Further, two ends of the supporting cross bar are fixedly connected with vertical bars, and the vertical bars are fixedly connected with the lathe bed; the supporting cross bars are distributed in parallel with the workbench surface, and the included angle between the detection probe and the supporting cross bars is not equal to 90 degrees.
Further, the included angle between the detection probe and the support rail is 45 °.
Further, the driving device comprises a first cylinder and a second cylinder, the first cylinder comprises a first cylinder body and a first telescopic rod, and the second cylinder comprises a second cylinder body and a second telescopic rod; the first cylinder body is fixedly connected with the support cross rod, the first telescopic rod is fixedly connected with the second cylinder body, and the second telescopic rod is fixedly connected with the detection probe; the first telescopic rod and the supporting cross rod are vertically distributed, and the second telescopic rod and the detection probe are parallelly distributed.
Further, the support cross rod is fixedly connected with a fixing plate, the fixing plate is vertically distributed with the support cross rod, and the first cylinder body is fixedly connected with the fixing plate; the fixed plate is fixedly connected with a guide rail, the guide rail is distributed in parallel with the first telescopic rod, the first telescopic rod is fixedly connected with a sliding block, the sliding block comprises a first plane and a second plane, the first plane is distributed in parallel with the first telescopic rod, and the second plane is distributed in parallel with the second telescopic rod; the first plane is in sliding connection with the guide rail, and the second plane is fixedly connected with the second cylinder body.
Further, the first fishplate bar of second telescopic link fixedly connected with, first fishplate bar bottom is provided with the second keysets perpendicularly, and detection probe fixedly connected with probe connecting block, second keysets and probe connecting block fixed connection.
Further, a first lug plate is vertically arranged at the bottom of the first adapter plate, a second lug plate is arranged at the top of the second adapter plate, a first central hole is formed in the first lug plate, a second central hole is formed in the second lug plate, and the first central hole and the second central hole are coaxially arranged; a plurality of first waist-shaped holes are formed in the first lug plates around the first central hole, a plurality of threaded holes are formed in the second lug plates around the second central hole, and the first waist-shaped holes are in threaded connection with the threaded holes.
Further, the second telescopic link fixedly connected with changeover piece, a plurality of second waist type holes have been seted up to first changeover plate, and the changeover piece passes through second waist type hole and first changeover plate fixed connection.
Further, the second adapter plate is provided with a first inclined plane, the probe connecting block is provided with a second inclined plane, and the first inclined plane is fixedly connected with the second inclined plane.
The beneficial effects of the invention are as follows:
when the crankshaft journal is ground, the detection device is fixed above the workbench surface, the driving device can drive the detection probe to move up and down along the workbench surface, and when measurement is needed, the driving device drives the detection probe to move down, so that the detection probe is obliquely clamped on the outer circumferential surface of the crankshaft journal, the outer diameter of the detection probe is detected in real time, the work of a grinding wheel is not influenced, after machining is finished, the driving device drives the detection probe to move upwards, so that the detection probe is far away from the crankshaft, the movement of the crankshaft is not influenced, after the crankshaft moves to the next journal for machining, the driving device drives the detection probe to move down again for measuring, the whole process does not need manual operation, the labor cost is saved, the machining efficiency is improved, and the machining precision is improved.
Drawings
FIG. 1 is a schematic view of a part of the structure of a crankshaft grinder of the present invention;
FIG. 2 is a schematic view of a view angle of the detecting device according to the present invention;
FIG. 3 is a schematic view of another view of the detection device of the present invention;
FIG. 4 is a schematic view of a part of the structure of the detecting device of the present invention.
In the accompanying drawings:
10-lathe bed, 11-table top, 12-headstock box, 13-tailstock box, 14-grinding wheel, 21-supporting cross bar, 22-montant, 30-detection device, 41-detection probe, 42-probe connecting block, 51-first cylinder, 52-first telescopic link, 53-fixed plate, 54-guide rail, 55-slider, 61-second cylinder, 62-second telescopic link, 63-adapter block, 64-first adapter plate, 641-first lug plate, 642-first centre hole, 643-first waist-shaped hole, 644-second waist-shaped hole, 65-second adapter plate, 651-second lug plate, 652-second centre hole, 653-screw hole, 654-first inclined plane, 70-crankshaft.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the present invention will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described with reference to the accompanying drawings, as shown in fig. 1-4: the invention provides an online detection mechanism of a crankshaft grinder, which is used for the crankshaft grinder, and comprises a lathe bed 10 and a workbench surface 11 which is in sliding connection with the lathe bed 10, wherein a head seat box body 12 and a tail seat box body 13 are arranged on the workbench surface 11.
The online detection mechanism of the crankshaft grinder comprises a support cross bar 21 and a detection device 30 fixed on the support cross bar 21, wherein the support cross bar 21 is positioned above a working table 11 and is distributed in parallel with the working table 11, two ends of the support cross bar 21 are fixedly connected with vertical bars 22, and the vertical bars 22 are fixedly connected with a lathe bed 10; the detection device 30 includes a pair of parallel detection probes 41 and a driving device for driving the detection probes 41 to move up and down along the table surface 11; the detection probe 41 is clamped on the outer circumferential surface of the crankshaft journal, and the axial included angle between the detection probe 41 and the journal is not equal to 90 degrees. Before grinding the crank shaft journal, the detection probe 41 is positioned at a position far away from the crank shaft, so that a feeding mechanism is convenient to fix the crank shaft between the head seat box body 12 and the tail seat box body 13, after the crank shaft is fixed, the detection probe 41 is driven by a driving device to move downwards to the crank shaft journal, the detection probe 41 is obliquely clamped on the outer circumferential surface of the crank shaft journal, a spindle motor is started, the crank shaft is driven by the spindle motor to rotate, the grinding wheel 14 carries out grinding on the surface of the crank shaft journal, the detection probe 41 is obliquely clamped on the outer circumferential surface of the crank shaft journal, the collision between the grinding wheel 14 and the detection probe 41 is avoided, the outer diameter of the crank shaft is detected by the detection probe 41 in real time in the machining process of the grinding wheel 14, the detection probe 41 stops timely according to the detection result, after the machining is finished, the detection probe 41 is driven by the driving device to move upwards, the detection probe 41 is far away from the crank shaft, enough space is reserved to enable the crank shaft to move along with the working table 11, after the movement of the crank shaft is finished, the detection probe 41 is driven by the driving device to move downwards, the detection probe 41 is clamped on the outer circumferential surface of the next journal, the manual work is finished, the manual work is driven by the detection probe 41 is automatically; in addition, in the processing process of the crankshaft, the detection probe 41 is stably fixedly connected with the support cross rod 21, so that the measurement accuracy can be effectively ensured.
In this embodiment, the acute angle of the angle between the detection probe 41 and the support cross bar 21 is 45 °, the crank journals and the support cross bar 21 are distributed in parallel, and the acute angle of the angle between the detection probe 41 and the crank journals is also 45 °, so that the detection probe 41 can not affect the processing of the grinding wheel 14.
In the present embodiment, the driving device includes a first cylinder including a first cylinder 51 and a first telescopic link 52, and a second cylinder including a second cylinder 61 and a second telescopic link 62; the first cylinder body 51 is fixedly connected with the support cross bar 21, the first telescopic rod 52 is fixedly connected with the second cylinder body 61, and the second telescopic rod 62 is fixedly connected with the detection probe 41; the first telescopic rod 52 is vertically arranged with respect to the support rail 21, and the second telescopic rod 62 is parallel arranged with respect to the detection probe 41. The acute angle of the included angle between the supporting cross bar 21 and the detecting probe 41 is 45 degrees, so that the acute angle of the included angle between the first telescopic rod 52 and the second telescopic rod 62 is 45 degrees, the first cylinder body 51 drives the first telescopic rod 52 to stretch and retract, the detecting probe 41 can be controlled to move up and down along the direction vertical to the D1 of the supporting cross bar 21, the second cylinder body 61 drives the second telescopic rod 62 to stretch and retract, the detecting probe 41 can be controlled to reciprocate along the direction D2, the acute angle of the included angle between the direction D2 and the direction D1 is 45 degrees, when the detecting probe 41 needs to be driven to be far away from a crankshaft, the shrinkage of the first telescopic rod 52 and the second telescopic rod 62 can be regulated, and when the detecting probe 41 needs to be driven to be close to the crankshaft, the elongation of the first telescopic rod 52 and the second telescopic rod 62 can be regulated.
In this embodiment, the support cross bar 21 is fixedly connected with a fixing plate 53, the fixing plate 53 is vertically distributed with the support cross bar 21, and the first cylinder 51 is fixedly connected with the fixing plate 53; the fixed plate 53 is fixedly connected with a guide rail 54, the guide rail 54 is distributed in parallel with the first telescopic rod 52, the first telescopic rod 52 is fixedly connected with a sliding block 55, the sliding block 55 comprises a first plane and a second plane, the first plane is distributed in parallel with the first telescopic rod 52, and the second plane is distributed in parallel with the second telescopic rod 62; the first plane is slidably coupled to the rail 54 and the second plane is fixedly coupled to the second cylinder 61. Through the relative sliding of the sliding block 55 and the guide rail 54, the movement of the second cylinder relative to the first cylinder is realized, and the first plane and the second plane are respectively parallel to the first telescopic rod 52 and the second telescopic rod 62, so that the acute angle of the included angle of the first telescopic rod 52 and the second telescopic rod 62 is 45 degrees, and the acute angle of the included angle of the detection probe 41 and the support cross rod 21 is 45 degrees.
In this embodiment, the second telescopic rod 62 is fixedly connected with a first adapter plate 64, a second adapter plate 65 is vertically arranged at the bottom of the first adapter plate 64, and the second adapter plate 65 is fixedly connected with the probe connection block 42. The probe connection block 42, the first adapter plate 64 and the second adapter plate 65 are used to connect the detection probe 41 and a driving device for driving the detection probe 41 to move.
In this embodiment, a first ear plate 641 is vertically disposed at the bottom of the first adapter plate 64, a second ear plate 651 is disposed at the top of the second adapter plate 65, a first central hole 642 is formed in the first ear plate 641, a second central hole 652 is formed in the second ear plate 651, and the first central hole 642 and the second central hole 652 are coaxially disposed; the first ear plate 641 surrounding the first center hole 642 is provided with a plurality of first waist-shaped holes 643, the second ear plate 651 surrounding the second center hole 652 is provided with a plurality of threaded holes 653, and the first ear plate 641 and the second ear plate 651 are fixedly connected with the first waist-shaped holes 643 through the threaded holes 653. The first center hole 642 and the second center hole 652 are provided with a center shaft in a penetrating manner, and through adjusting the connection positions of the threaded holes 653 and the first waist-shaped holes 643, the size of an included angle between the first ear plate 641 and the second ear plate 651 can be adjusted, so that the size of an included angle of the detection probe 41 relative to the second telescopic rod 62 is adjusted, fine adjustment of the angle of the detection probe 41 relative to a crankshaft journal is realized, and the detection probe 41 can be conveniently adjusted according to actual conditions, so that the detection probe 41 can be clamped at a proper position of the crankshaft journal.
In this embodiment, the second telescopic rod 62 is fixedly connected with a switching block 63, the first switching plate 64 is provided with a plurality of second waist-shaped holes 644, and the switching block 63 is fixedly connected with the first switching plate 64 through the second waist-shaped holes 644. By adjusting the connection position of the adapter block 63 and the second waist-shaped hole 644, the relative position of the detection probe 41 and the support rail 21 can be adjusted so that the detection probe 41 can be adapted to a new machining position when there is a slight change in the journal position of the crankshaft machining.
In this embodiment, the second adapter plate 65 is provided with a first inclined surface 654, the probe connection block 42 is provided with a second inclined surface, and the first inclined surface 654 is fixedly connected with the second inclined surface.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention, not for limiting the same, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be replaced with other technical solutions, which may not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. The utility model provides a crank grinder on-line measuring mechanism, crank grinder on-line measuring mechanism is used for crank grinder, crank grinder include the lathe bed and with lathe bed sliding connection's table surface, its characterized in that: the device comprises a support cross rod and a detection device fixed on the support cross rod, wherein the support cross rod is positioned above the workbench surface, two ends of the support cross rod are fixedly connected with vertical rods, and the vertical rods are fixedly connected with the lathe bed;
the detection device comprises a pair of detection probes which are distributed in parallel and a driving device for driving the detection probes to move up and down along the workbench surface; the detection probe is clamped on the outer circumferential surface of the crankshaft journal, and the axial included angle between the detection probe and the crankshaft journal is not equal to 90 degrees;
the two ends of the supporting cross rod are fixedly connected with vertical rods, and the vertical rods are fixedly connected with the lathe bed; the supporting cross bars are distributed in parallel with the workbench surface, and the included angle between the detection probe and the supporting cross bars is not equal to 90 degrees;
the driving device comprises a first cylinder and a second cylinder, the first cylinder comprises a first cylinder body and a first telescopic rod, and the second cylinder comprises a second cylinder body and a second telescopic rod; the first cylinder body is fixedly connected with the supporting cross rod, the first telescopic rod is fixedly connected with the second cylinder body, and the second telescopic rod is fixedly connected with the detection probe; the first telescopic rods and the supporting cross rods are vertically distributed, and the second telescopic rods and the detection probes are parallel to each other;
the first telescopic rod is fixedly connected with a first adapter plate, a second adapter plate is vertically arranged at the bottom of the first adapter plate, the detection probe is fixedly connected with a probe connecting block, and the second adapter plate is fixedly connected with the probe connecting block; the bottom of the first adapter plate is vertically provided with a first ear plate, the top of the second adapter plate is provided with a second ear plate, the first ear plate is provided with a first central hole, the second ear plate is provided with a second central hole, and the first central hole and the second central hole are coaxially arranged; the first lug plates around the first central hole are provided with a plurality of first waist-shaped holes, the second lug plates around the second central hole are provided with a plurality of threaded holes, and the first waist-shaped holes are in threaded connection with the threaded holes;
the support cross rod is fixedly connected with a fixing plate, the fixing plate is vertically distributed with the support cross rod, and the first cylinder body is fixedly connected with the fixing plate;
the fixed plate is fixedly connected with a guide rail, the guide rail is distributed in parallel with the first telescopic rod, the first telescopic rod is fixedly connected with a sliding block, the sliding block comprises a first plane and a second plane, the first plane is distributed in parallel with the first telescopic rod, and the second plane is distributed in parallel with the second telescopic rod;
the first plane is in sliding connection with the guide rail, and the second plane is fixedly connected with the second cylinder body.
2. The online detection mechanism of a crank grinder according to claim 1, wherein: the second telescopic link fixedly connected with changeover piece, a plurality of second waist type holes have been seted up to first changeover plate, the changeover piece passes through second waist type hole with first changeover plate fixed connection.
3. The online detection mechanism of a crank grinder according to claim 1, wherein: the second adapter plate is provided with a first inclined plane, the probe connecting block is provided with a second inclined plane, and the first inclined plane is fixedly connected with the second inclined plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811497859.2A CN109282780B (en) | 2018-12-07 | 2018-12-07 | Online detection mechanism of crankshaft grinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811497859.2A CN109282780B (en) | 2018-12-07 | 2018-12-07 | Online detection mechanism of crankshaft grinder |
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| CN109282780A CN109282780A (en) | 2019-01-29 |
| CN109282780B true CN109282780B (en) | 2024-03-22 |
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| CN201811497859.2A Active CN109282780B (en) | 2018-12-07 | 2018-12-07 | Online detection mechanism of crankshaft grinder |
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| CN112361942B (en) * | 2020-11-24 | 2025-12-05 | 泰科电子(上海)有限公司 | A biasable conductor position detection device and wire processing equipment |
| CN112798033A (en) * | 2020-12-24 | 2021-05-14 | 安徽华旦机械制造有限公司 | Automatic detection device for crankshaft production |
| CN116577080A (en) * | 2023-03-31 | 2023-08-11 | 重庆长安汽车股份有限公司 | A crankshaft detection device and crankshaft processing method |
| CN116460593B (en) * | 2023-05-30 | 2023-08-25 | 四川飞亚动力科技股份有限公司 | Milling machine for machining engine crankshaft |
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| CN109282780A (en) | 2019-01-29 |
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