CN113720238A - High-precision crankshaft eccentric excircle diameter follow-up detection device - Google Patents
High-precision crankshaft eccentric excircle diameter follow-up detection device Download PDFInfo
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- CN113720238A CN113720238A CN202111003212.1A CN202111003212A CN113720238A CN 113720238 A CN113720238 A CN 113720238A CN 202111003212 A CN202111003212 A CN 202111003212A CN 113720238 A CN113720238 A CN 113720238A
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- detection device
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- crankshaft
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
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- General Physics & Mathematics (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention discloses a follow-up detection device for the diameter of an eccentric excircle of a high-precision crankshaft, which comprises a bottom frame, wherein a bearing base capable of horizontally rotating is arranged on the bottom frame, a swinging rod capable of swinging is arranged at one end of the bearing base, a bearing top seat is arranged above the bearing base, a beam rod and a detection rod are arranged on the bearing top seat, a first air cylinder is arranged on the bearing base, a spring is arranged at the top of the swinging rod, and an L-shaped rod is arranged at the top of the first air cylinder. The high-precision crankshaft eccentric excircle diameter follow-up detection device has the following advantages: 1. the machine does not need to be stopped during detection, and the detection can be carried out during processing; 2. the eccentric excircle of the crankshaft is detected without special clamping of the crankshaft, and a universal three-jaw chuck is used for fixing a crankshaft main shaft; 3. the eccentric outer circular surface diameter measuring device can work together with a follow-up grinding machine, and the diameter of the processed eccentric outer circular surface is measured while the grinding machine grinds.
Description
Technical Field
The invention relates to a crankshaft detection tool, in particular to a high-precision crankshaft eccentric excircle diameter follow-up detection device.
Background
In the field of machining, the crankshaft is difficult to machine, and particularly the eccentric outer circular surface of the crankshaft is machined. The common processing method is to make the axis of the eccentric excircle clamped in the center of the three-jaw chuck by a special clamp, thereby carrying out rotary grinding or turning by taking the axis of the eccentric excircle as a center. The diameter is generally detected by a V-gauge or vernier caliper. The traditional machining and measuring mode is not fast and efficient enough, a special clamp is needed during machining, multiple times of clamping is needed, and the machine also needs to be stopped during measurement to measure, so that real-time machining process feedback and error detection cannot be provided during machining.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art, and provides a high-precision crankshaft eccentric excircle diameter follow-up detection device.
The technical problem of the invention is mainly solved by the following technical scheme:
a follow-up detection device for the diameter of an eccentric excircle of a high-precision crankshaft is characterized by comprising a base frame, wherein the base frame is provided with a bearing base capable of horizontally rotating, one end of the bearing base is provided with a swinging rod capable of swinging, a bearing top seat is arranged above the bearing base, the bearing top seat is provided with a beam rod and a detection rod, the bearing base is provided with a first air cylinder, the top of the swinging rod is provided with a spring, the top of the first air cylinder is provided with an L-shaped rod,
the follow-up detection device for the diameter of the eccentric excircle of the high-precision crankshaft further comprises a hydraulic driving device, the hydraulic driving device comprises a hydraulic cylinder seat and a second hydraulic cylinder, the hydraulic cylinder seat is arranged on the bearing base, a buckle is arranged between the second hydraulic cylinder and the oscillating bar, and the second hydraulic cylinder drives the oscillating bar to swing forwards.
In a preferred embodiment of the present invention, the detecting rod comprises a connecting plate, an extension plate, a connecting block and a V-shaped positioning detecting device,
the connecting plate and the beam rod form a preset angle, the extension plate is installed on the connecting plate, and the V-shaped positioning detection device is detachably installed on the connecting block.
As a preferred embodiment of the present invention, the V-shaped positioning detection device includes a line tube, an air guide block, a V-shaped block for positioning the outer circular surface, and a detection head for detecting the diameter of the outer circular surface, the line tube and the air guide block are located between the V-shaped block and the connection block, the end of the air guide block is provided with a gas line interface, the end of the line tube is connected to a line tube interface seat, the line tube interface seat transmits an electrical signal to an external numerical control machine control system to detect and control the machining process, and the head of the detection head is provided with a roller.
The high-precision crankshaft eccentric excircle diameter follow-up detection device has the following advantages: 1. the machine does not need to be stopped during detection, and the detection can be carried out during processing; 2. the eccentric excircle of the crankshaft is detected without special clamping of the crankshaft, and a universal three-jaw chuck is used for fixing a crankshaft main shaft; 3. the eccentric outer circular surface diameter measuring device can work together with a follow-up grinding machine, the diameter of the processed eccentric outer circular surface is measured while the grinding machine grinds, and the measuring result can be fed back to a numerical control machine tool, so that the processing process is controlled, and errors are compensated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a high-precision follow-up detection device for detecting the eccentric outer circle diameter of a crankshaft.
Fig. 2 is a partial schematic view of the follow-up detection device of fig. 1.
Fig. 3 is a partial schematic view of the follow-up detection device of fig. 1.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
As shown in fig. 1 to 3, the high precision crankshaft eccentric outer circle diameter follow-up detection device comprises a bottom frame 15, a bearing base 14 capable of horizontally rotating is arranged on the bottom frame 15, a swinging rod 13 capable of swinging is arranged at one end of the bearing base 14, a bearing top seat 10 is arranged above the bearing base 14, a beam rod 8 and a detection rod M1 are arranged on the bearing top seat 10, a first cylinder 11 is arranged on the bearing base 14,
the high-precision crankshaft eccentric excircle diameter follow-up detection device further comprises a hydraulic driving device M2, the hydraulic driving device M2 comprises a hydraulic cylinder seat 12 and a second hydraulic cylinder 16, the hydraulic cylinder seat 12 is arranged on the bearing base 14, a buckle 19 is arranged between the second hydraulic cylinder 16 and the swing rod 13, and the second hydraulic cylinder 16 drives the swing rod 13 to swing forwards.
It should be noted that the hydraulic rod of the second hydraulic cylinder 16 extends out by means of hydraulic pressure to push the swing rod 13 to swing forward, and when the hydraulic rod of the second hydraulic cylinder 16 retracts, the hydraulic rod pulls the swing rod 13 to return, so as to precisely control the swing angle of the swing rod 13.
The detecting lever M1 includes a connecting plate 7, an extension plate 6, a connecting block 4 and a V-shaped positioning detecting device M3,
this connecting plate 7 and this crossbeam pole 8 become a predetermined angle, and this extension plate 6 is installed on this connecting plate 7, and extension plate 6's joining makes detection device outwards carry out certain degree of extension, makes detection range widen.
The V-shaped positioning detecting device M3 is detachably mounted on the joint block 4.
This V type location detection device M3 contains a circuit pipe 3, an air guide block 18, a V type piece 2 that is used for fixing a position the outer disc and a detection head 1 that is used for detecting the outer disc diameter, this circuit pipe 3 and air guide block 18 are located between this V type piece 2 and connecting block 4, the end of this air guide block 18 is equipped with the gas pipeline interface, the end of this circuit pipe 3 is connected with a circuit pipe interface seat 5, this circuit pipe interface seat 5 transmission signal of telecommunication to an external digit control machine tool control system, detect and control the course of working, the head of this detection head 1 is equipped with a gyro wheel 20, in addition, pneumatic measuring device and amesdial head have been integrated in the detection head 1, the distance between measurable quantity disc and the probe and then convert and draw the diameter of disc.
Wherein the content of the first and second substances,
when the second hydraulic cylinder 16 extends, the swing link 13 swings forward, and when the first hydraulic cylinder 11 extends, the sensing lever M1 is lifted upward.
The following description is made on the working mode of the high-precision crankshaft eccentric excircle diameter follow-up detection device, and the working mode comprises the following steps:
step S1, fixing the underframe 15 on a grinding machine, and fixing the crankshaft on a machining station by using a three-jaw chuck;
step S2, the second hydraulic cylinder 16 and the first hydraulic cylinder 11 are activated, so that the V-shaped block 2 is clamped on the eccentric outer circular surface. When the eccentric excircle eccentrically rotates, the V-shaped block 2 is always kept in contact with the excircle surface through real-time control. The pulleys 20 are arranged in the V-shaped block 2, so that the outer circular surface can freely rotate while being clamped, and the processed surface cannot be scratched. The actual distance from the circular surface to the detection head 1 can be measured by using the detection head 1 in the V-shaped block 2, and the diameter of the measured circular surface is further calculated.
The high-precision crankshaft eccentric excircle diameter follow-up detection device has the following advantages: 1. the machine does not need to be stopped during detection, and the detection can be carried out during processing; 2. the eccentric excircle of the crankshaft is detected without special clamping of the crankshaft, and a universal three-jaw chuck is used for fixing a crankshaft main shaft; 3. the eccentric outer circular surface diameter measuring device can work together with a follow-up grinding machine, the diameter of the processed eccentric outer circular surface is measured while the grinding machine grinds, and the measuring result can be fed back to a numerical control machine tool, so that the processing process is controlled, and errors are compensated.
The high-precision crankshaft eccentric excircle diameter follow-up detection device can realize on-line detection and can complete the measurement of a workpiece under the condition of not disassembling the workpiece. In the process of machining the workpiece, the diameter of the eccentric outer circular surface of the workpiece is measured, and the result is fed back to the machine tool, so that the machining is controlled to compensate the error, and the machining precision of the machine tool is further improved.
Without being limited thereto, any changes or substitutions that are not thought of through the inventive work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (3)
1. The utility model provides a high accuracy eccentric excircle diameter follow-up detection device of bent axle, its characterized in that, high accuracy eccentric excircle diameter follow-up detection device of bent axle contain a chassis (15), chassis (15) on be equipped with one but horizontal pivoted bearing base (14), the one end of bearing base (14) be equipped with a wobbling pendulum rod (13), the top of bearing base (14) be equipped with a bearing footstock (10), bearing footstock (10) go up a crossbeam pole (8) and a measuring rod (M1), bearing base (14) on be equipped with a first cylinder (11), the top of pendulum rod (13) be equipped with a spring (17), the top of first cylinder (11) be equipped with an L type pole (9),
high accuracy crankshaft eccentricity excircle diameter follow-up detection device still contain a hydraulic drive device (M2), hydraulic drive device (M2) contain a hydraulic cylinder seat (12) and a second hydraulic cylinder (16), hydraulic cylinder seat (12) set up bearing base (14) on, second hydraulic cylinder (16) and pendulum rod (13) between be equipped with a buckle (19), just second hydraulic cylinder (16) drive pendulum rod (13) swing forward.
2. The high accuracy crank eccentric outer circle diameter follow-up detecting device of claim 1, wherein the detecting rod (M1) comprises a connecting plate (7), an extension plate (6), a connecting block (4) and a V-shaped positioning detecting device (M3),
the connecting plate (7) and the beam rod (8) form a preset angle, the extension plate (6) is installed on the connecting plate (7), and the V-shaped positioning detection device (M3) is detachably installed on the connecting block (4).
3. The high-precision crankshaft eccentric excircle diameter follow-up detection device according to claim 2, characterized in that the V-shaped positioning detection device (M3) comprises a line tube (3), an air guide block (18), a V-shaped block (2) for positioning an excircle surface and a detection head (1) for detecting the excircle surface diameter, the line tube (3) and the air guide block (18) are located between the V-shaped block (2) and the connection block (4), the tail end of the air guide block (18) is provided with a gas line interface, the tail end of the line tube (3) is connected with a line tube interface seat (5), the line tube interface seat (5) transmits an electric signal to an external control system for detecting and controlling a machining process, and the head of the detection head (1) is provided with a roller (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111003212.1A CN113720238A (en) | 2021-08-30 | 2021-08-30 | High-precision crankshaft eccentric excircle diameter follow-up detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111003212.1A CN113720238A (en) | 2021-08-30 | 2021-08-30 | High-precision crankshaft eccentric excircle diameter follow-up detection device |
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| CN113720238A true CN113720238A (en) | 2021-11-30 |
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| CN202111003212.1A Pending CN113720238A (en) | 2021-08-30 | 2021-08-30 | High-precision crankshaft eccentric excircle diameter follow-up detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608510A (en) * | 2022-03-29 | 2022-06-10 | 无锡连强智能装备有限公司 | Automatic outer diameter measuring device of lathe with accurate measuring effect |
| CN117260423A (en) * | 2023-11-21 | 2023-12-22 | 杭州正强传动股份有限公司 | Online detection device and method for double positioning of clamping groove in shaft sleeve |
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| JP2004028947A (en) * | 2002-06-28 | 2004-01-29 | Komatsu Machinery Corp | Apparatus and method for measuring rotation phase angle in eccentric part of shaft, and holder for measuring phase of spline groove used for its measurement |
| CN1821709A (en) * | 2006-03-30 | 2006-08-23 | 上海大学 | Tracking type online measuring mechanism for roundness and diameter |
| WO2011035864A1 (en) * | 2009-09-22 | 2011-03-31 | Hommel-Etamic Gmbh | In-process measuring device for the grinding of crankshaft journals |
| CN203993398U (en) * | 2014-07-08 | 2014-12-10 | 广东美芝制冷设备有限公司 | For the positioner of crankshaft eccentric shaft processing |
| CN204115638U (en) * | 2014-11-07 | 2015-01-21 | 神龙汽车有限公司 | Crankshaft journal following measurement device |
| CN204535606U (en) * | 2015-04-24 | 2015-08-05 | 安徽江淮汽车股份有限公司 | A kind of SABS cubing |
| CN107009228A (en) * | 2017-04-11 | 2017-08-04 | 东南大学 | Bent axle follow-up grinding on-line measurement instrument |
| CN208026200U (en) * | 2018-03-23 | 2018-10-30 | 陕西柴油机重工有限公司 | A kind of bent axle turns diameter eccentricity measuring device |
| CN209055056U (en) * | 2018-12-06 | 2019-07-02 | 西安泰锐精密机械科技有限公司 | A kind of petroleum pipeline ellipticity measurement instrument |
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2021
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| JP2004028947A (en) * | 2002-06-28 | 2004-01-29 | Komatsu Machinery Corp | Apparatus and method for measuring rotation phase angle in eccentric part of shaft, and holder for measuring phase of spline groove used for its measurement |
| CN1821709A (en) * | 2006-03-30 | 2006-08-23 | 上海大学 | Tracking type online measuring mechanism for roundness and diameter |
| WO2011035864A1 (en) * | 2009-09-22 | 2011-03-31 | Hommel-Etamic Gmbh | In-process measuring device for the grinding of crankshaft journals |
| CN203993398U (en) * | 2014-07-08 | 2014-12-10 | 广东美芝制冷设备有限公司 | For the positioner of crankshaft eccentric shaft processing |
| CN204115638U (en) * | 2014-11-07 | 2015-01-21 | 神龙汽车有限公司 | Crankshaft journal following measurement device |
| CN204535606U (en) * | 2015-04-24 | 2015-08-05 | 安徽江淮汽车股份有限公司 | A kind of SABS cubing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608510A (en) * | 2022-03-29 | 2022-06-10 | 无锡连强智能装备有限公司 | Automatic outer diameter measuring device of lathe with accurate measuring effect |
| CN114608510B (en) * | 2022-03-29 | 2023-11-24 | 无锡连强智能装备有限公司 | Automatic external diameter measuring device of lathe with accurate measurement effect |
| CN117260423A (en) * | 2023-11-21 | 2023-12-22 | 杭州正强传动股份有限公司 | Online detection device and method for double positioning of clamping groove in shaft sleeve |
| CN117260423B (en) * | 2023-11-21 | 2024-01-26 | 杭州正强传动股份有限公司 | Online detection device and method for double positioning of clamping groove in shaft sleeve |
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