CN203197708U - Variable-parameter correcting buffing device of crankshaft - Google Patents
Variable-parameter correcting buffing device of crankshaft Download PDFInfo
- Publication number
- CN203197708U CN203197708U CN 201320154392 CN201320154392U CN203197708U CN 203197708 U CN203197708 U CN 203197708U CN 201320154392 CN201320154392 CN 201320154392 CN 201320154392 U CN201320154392 U CN 201320154392U CN 203197708 U CN203197708 U CN 203197708U
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- CN
- China
- Prior art keywords
- polishing
- buffing
- air bag
- pressurised airbag
- crankshaft
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Abstract
The utility model discloses a variable-parameter correcting buffing device of a crankshaft. The variable-parameter correcting buffing device of the crankshaft comprises a lathe, a follow-up clamping device and two buffing pressing head. Each buffing pressing head comprises a base, at least two buffing air bags and one pressurizing air bag, wherein the two buffing air bags and the pressurizing air bag are fixedly connected into the base, the pressurizing air bag is located between the buffing air bags, the outer end of each air bag is located outside the base of the air bag, the outer ends of the air bags are arranged in an arc-shaped mode, the outer end surface of each air bag is arc-shaped, an abrasive belt is fixedly connected to the base, the buffing air bags are connected with a buffing air source, and the pressurizing air bag is connected with the buffing air source and a correcting air source through an automatic control valve arranged on an external-connection pipeline. Roundness detection sensors are further arranged on the follow-up clamping device or the two buffing pressure heads. A rotating speed sensor is arranged on the lathe. The automatic control valve, the roundness detection sensors and the rotating speed sensor are all connected with an industrial personal computer. The variable-parameter correcting buffing device of the crankshaft can not only conduct accurate correction and buffing on the roundness errors of a crankshaft journal but also conduct buffing on a crankshaft journal circular bead and the two side surfaces of a thrust journal, and is high in machining efficiency.
Description
Technical field
The utility model relates to a kind of correction for bent axle, burnishing device.
Background technology
In the production process of bent axle, the axle journal polishing is a very important operation, it directly influences the serviceability of product, existing polishing facility, comprise the lathe, the servo-actuated clamping device that drive bent axle and rotate, be located at two polishing pressure heads on the servo-actuated clamping device, be located at two abrasive bands between the polishing pressure head, two polishing pressure heads are symmetrically set in the both sides of crankshaft journal and are driven by crankshaft journal makes reciprocally swinging; This device can only carry out operation at improving the journal surface roughness, can't revise the axle journal deviation from circular from, and the polishing of axle journal fillet and axle journal side all is difficult to carry out; And in axle journal shaped, no matter adopt what mode grinding, axle journal always produced deviation from circular from various degree, the particularly processing of large-scale bent axle, the easier deviation from circular from that occurs of its axle journal is though error is all very little, but, for the processing of axle journal, deviation from circular from is the smaller the better, and the workpiece that has is seldom overproof because of deviation from circular from, can not go up grinding machine again, must be machined to again and require size, just become a no small processing difficult problem, existing polissoir can't overcome; How to improve in the journal surface roughness in polishing process, the crankshaft journal deviation from circular from is effectively revised and axle journal fillet, blocking journal two sides are polished, be the research topic of bent axle processing industry always.
Summary of the invention
The purpose of this utility model is at the prior art above shortcomings, a kind of variable element bent axle correction burnishing device is provided, it can not only revise accurately and polish the crankshaft journal deviation from circular from, can also polish axle journal fillet, blocking journal two sides, and the working (machining) efficiency height has solved a bent axle processing industry difficult problem for many years.
For achieving the above object, a kind of variable element bent axle correction burnishing device of the present utility model, comprise and drive the lathe that bent axle rotates, servo-actuated clamping device, be located at two polishing pressure heads on the servo-actuated clamping device, two polishing pressure heads are symmetrically set in the both sides of crankshaft journal, it is characterized in that each polishing pressure head includes pedestal, be fixed on a pressurised airbag and at least two polishing air bags in the pedestal, air bag is the toughness material, as rubber, pressurised airbag is between the polishing air bag, the outer end of pressurised airbag and polishing air bag is positioned at the outer and curved arrangement of pedestal separately, the outer face of pressurised airbag and polishing air bag is arc, on pedestal, all be fixedly connected with the abrasive band that coats pressurised airbag and polishing air bag outer face, the polishing air bag links to each other with the polishing source of the gas by gas circuit and the external pipeline of being located at separately in the pedestal, pressurised airbag links to each other with external pipeline by the gas circuit of being located at separately in the pedestal, this external pipeline is provided with two branch roads and links to each other with the correction source of the gas with the polishing source of the gas respectively, and be provided with autocontrol valve in the intersection of two branch roads, revise the air pressure of source of the gas greater than the air pressure of polishing source of the gas; Also be provided with circularity detecting sensor gauge head on servo-actuated clamping device or two polishing pressure heads, be provided with the speed probe that detects machine tool chief axis or bent axle at bed piece, autocontrol valve, circularity detecting sensor and speed probe all link to each other with industrial computer.
Using method of the present utility model is: 1) clamping: crankshaft two end is clamped on the lathe, with two polishings pressure heads and circularity detecting sensor gauge heads place crankshaft journal around; 2) lose circle correction: will polish polishing air bag and pressurised airbag and the connection of polishing source of the gas in the pressure head, pressurised airbag makes the abrasive band of all air bag outer ends be close to crankshaft journal between the polishing air bag, starts lathe and makes bent axle with lower rotating speed rotation; The circularity detecting sensor detects the deviation from circular from of axle journal excircle and feeds back to industrial computer, when the deviation from circular from that detects the excircle somewhere surpasses preset value, industrial computer calculates this place through the time of its rear pressurised airbag by speed probe, and the autocontrol valve on this pressurised airbag external pipeline of time-delay control, pressurised airbag and correction source of the gas are connected, pressure in the increase pressurised airbag also keeps the corresponding period, to strengthen the pressure of the external circumference in abrasive band, corresponding position, grind away the high point on the excircle; When deviation from circular from was lower than the excircle section process pressurised airbag of preset value, industrial computer was connected pressurised airbag and polishing source of the gas by autocontrol valve, made it and polish the interior pressure of air bag consistent; Repeat said process, until there being deviation from circular from all to be lower than preset value; 3) polishing operation: detect all deviation from circular froms and all be lower than preset value when the circularity detecting sensor is online, lathe drives crankshaft rotating with high rotational speed, industrial computer makes pressurised airbag and polishing source of the gas connect by autocontrol valve, consistent with the pressure in the polishing air bag, polish axle journal in the abrasive band, until reaching the surface roughness requirement.
The utility model is when losing the circle correction, by pressurised airbag is pressurizeed, make it be higher than the interior pressure of both sides polishing air bag, both sides polishing this moment air bag to the pressure of axle journal not only in the effect of radially playing the clamping axle journal, by the abrasive band the high point of circumference is implemented accurate, stable grinding to guarantee pressurised airbag, and simultaneously axle journal is polished, can reduce the time of follow-up polishing operation, improve working (machining) efficiency; The utility model utilizes the instantaneous performance of finishing pressurization or release of pneumatic energy, cooperates online measuring technique, can lose circle correction accurately to the axle journal circumference;
As further improvement of the utility model, the corner, outer end of described pressurised airbag and two polishing air bags is equipped with fillet, and the abrasive band also coats four sides of pressurised airbag and two polishing air bag outer ends; In the operation of losing circle correction and polishing operation, can also polish axle journal fillet and blocking journal two sides by air bag and abrasive band;
In sum, the utility model can not only be revised accurately and polish the crankshaft journal deviation from circular from, can also polish axle journal fillet, blocking journal two sides, and the working (machining) efficiency height, solved a bent axle processing industry difficult problem for many years.
Description of drawings
Fig. 1 is the front view of servo-actuated clamping device among the utility model embodiment.
Fig. 2 is the front view of two polishing pressure heads among Fig. 1.
Fig. 3 is the A-A profile of Fig. 2.
Fig. 4 is the structural representation of servo-actuated another embodiment of clamping device.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
As shown in Figure 1 to Figure 3, this variable element bent axle correction burnishing device, comprise that the lathe that drives the bent axle rotation is (not shown, as lathe), servo-actuated clamping device 1, be located on the servo-actuated clamping device 1 two polishing pressure heads 8, servo-actuated clamping device 1 comprises upper pressing arm 5, following pressure arm 9, oil cylinder 2, guide rail 10 and divider 3, upper pressing arm 5 and following pressure arm 9 are hinged by bearing pin 4 at the middle part, the two ends of oil cylinder 2 are hinged with the rear end of upper pressing arm 5 and following pressure arm 9 respectively, following pressure arm 9 is equipped with the roller 11 that cooperates with guide rail 10, divider 3 is inverted U-shaped, and its two ends are fixed on the both sides of guide rail 10; Two polishing pressure heads 8 are separately fixed at the front end of upper pressing arm 5 and following pressure arm 9, and be symmetrically set in the both sides of crankshaft journal 7, each polishing pressure head 8 includes pedestal 12, bonding two polishing air bags 14 and pressurised airbag 13 that is fixed in the pedestal 12, air bag 13,14 are the toughness material, as rubber, pressurised airbag 13 is between two polishing air bags 14, the corner, outer end of pressurised airbag 13 and two polishing air bags 14 is equipped with fillet and is positioned at outside separately the pedestal 12, the outer face of pressurised airbag 13 and two polishing air bags 14 is arc, pressurised airbag 13 and the curved arrangement on sagittal plane of two polishing air bags 14, on pedestal 12, all be fixedly connected with and coat pressurised airbag 13 and two abrasive bands 15 of polishing air bag 14 outer ends and four sides, two polishing air bags 14 link to each other with polishing source of the gas (as gas station or middle air bottle) by gas circuit 17 and the external pipeline of being located at separately in the pedestal 12, pressurised airbag 13 links to each other with external pipeline by the gas circuit of being located at separately in the pedestal 12 16, this external pipeline is provided with two branch roads and links to each other with correction source of the gas (as gas cylinder) with the polishing source of the gas respectively, and is provided with the autocontrol valve (not shown) in the intersection of two branch roads; On two polishing pressure heads 8, also be provided with and two gauge heads 18 that polish the spaced circularity detecting sensor of pressure head, be provided with the speed probe (not shown) that detects machine tool chief axis or bent axle at bed piece, autocontrol valve, circularity detecting sensor and speed probe all link to each other with the industrial computer (not shown).
Using method of the present utility model is: 1) clamping: crankshaft two end is clamped on the lathe, with two polishing pressure heads 8 and two circularity detecting sensor gauge heads 18 be symmetrically placed in crankshaft journal 7 around; 2) lose circle correction: polishing air bag 14 and the pressurised airbag 13 that will polish in the pressure head 8 are connected with the polishing source of the gas, make the abrasive band 15 of all air bag outer ends be close to crankshaft journal 7, start lathe and make bent axle with lower rotating speed rotation; The circularity detecting sensor detects the deviation from circular from of axle journal excircle and feeds back to industrial computer by two gauge heads 18, when the deviation from circular from that detects the excircle somewhere surpasses preset value, industrial computer calculates this place through the time of its rear pressurised airbag 13 by speed probe, and the autocontrol valve on this pressurised airbag external pipeline of time-delay control, pressurised airbag 13 and correction source of the gas are connected, pressure in the increase pressurised airbag 13 also keeps the corresponding period, to strengthen the pressure of the external circumference in abrasive band, corresponding position, grind away the high point on the excircle; The excircle section that is lower than preset value when deviation from circular from is during through pressurised airbag 13, and industrial computer is connected pressurised airbag 13 and polishing source of the gas by autocontrol valve, makes the interior pressure of itself and polishing air bag 14 consistent; Repeat said process, until there being deviation from circular from all to be lower than preset value; 3) polishing operation: detect all deviation from circular froms and all be lower than preset value when the circularity detecting sensor is online, lathe drives crankshaft rotating with high rotational speed, industrial computer makes pressurised airbag 13 and polishing source of the gas connect by autocontrol valve, consistent with the pressure in the polishing air bag 14, the 15 pairs of axle journals 7 in abrasive band polish, until reaching the surface roughness requirement.
The utility model is when losing the circle correction, by pressurised airbag 13 is pressurizeed, make it be higher than pressure in the both sides polishings air bag 14, the pressure of 14 pairs of axle journals 7 of both sides polishing air bag this moment not only can play the effect of clamping axle journal, implement accurate, stable grinding to guarantee pressurised airbag 13 by the high point of the 15 pairs of circumference in abrasive band, and simultaneously axle journal 7 and axle journal fillet and blocking journal two sides are polished, can reduce the time of follow-up polishing operation, improve working (machining) efficiency; The utility model utilizes the instantaneous performance of finishing pressurization or release of pneumatic energy, cooperates online measuring technique, can lose circle correction accurately to the axle journal circumference.
The utility model is not limited to above-mentioned embodiment, also can be more as the quantity of polishing the polishing air bag 14 in the pressure head, so can reduce the circumferential area of pressurised airbag 13 correspondences, and can improve the degree of accuracy of grinding; The gauge head 18 of circularity detecting sensor also can be installed on the servo-actuated clamping device 1; Servo-actuated clamping device also can adopt structure shown in Figure 4, it comprises hinged crank 20 and connecting rod 21, upper pressing arm 22, descends pressure arm 23, oil cylinder 24, upper pressing arm 22 and following pressure arm 23 are hinged by bearing pin at the middle part, the two ends of oil cylinder 24 are hinged with the rear end of upper pressing arm 22 and following pressure arm 23 respectively, oil cylinder 24 is also hinged with connecting rod 21, two polishing pressure heads can be loaded on the front end of upper pressing arm 22 and following pressure arm 23, and this structure can make two polishing pressure heads be driven by axle journal equally and do reciprocal swing; As long as adopt the application's claim 1 or 3 described technical schemes, all fall into the protection domain of this patent.
Claims (2)
1. variable element bent axle correction burnishing device, comprise and drive the lathe that bent axle rotates, servo-actuated clamping device, be located at two polishing pressure heads on the servo-actuated clamping device, two polishing pressure heads are symmetrically set in the both sides of crankshaft journal, it is characterized in that each polishing pressure head includes pedestal, be fixed on a pressurised airbag and at least two polishing air bags in the pedestal, pressurised airbag is between the polishing air bag, the outer end of pressurised airbag and polishing air bag is positioned at the outer and curved arrangement of pedestal separately, the outer face of pressurised airbag and polishing air bag is arc, on pedestal, all be fixedly connected with the abrasive band that coats pressurised airbag and polishing air bag outer face, the polishing air bag links to each other with the polishing source of the gas by gas circuit and the external pipeline of being located at separately in the pedestal, pressurised airbag links to each other with external pipeline by the gas circuit of being located at separately in the pedestal, this external pipeline is provided with two branch roads and links to each other with the correction source of the gas with the polishing source of the gas respectively, and be provided with autocontrol valve in the intersection of two branch roads, revise the air pressure of source of the gas greater than the air pressure of polishing source of the gas; Also be provided with circularity detecting sensor gauge head on servo-actuated clamping device or two polishing pressure heads, be provided with the speed probe that detects machine tool chief axis or bent axle at bed piece, autocontrol valve, circularity detecting sensor and speed probe all link to each other with industrial computer.
2. a kind of variable element bent axle correction burnishing device as claimed in claim 1 is characterized in that the corner, outer end of described pressurised airbag and polishing air bag is equipped with fillet, and the abrasive band also coats four sides of pressurised airbag and polishing air bag outer end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320154392 CN203197708U (en) | 2013-04-01 | 2013-04-01 | Variable-parameter correcting buffing device of crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320154392 CN203197708U (en) | 2013-04-01 | 2013-04-01 | Variable-parameter correcting buffing device of crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203197708U true CN203197708U (en) | 2013-09-18 |
Family
ID=49141847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320154392 Withdrawn - After Issue CN203197708U (en) | 2013-04-01 | 2013-04-01 | Variable-parameter correcting buffing device of crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203197708U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103158046A (en) * | 2013-04-01 | 2013-06-19 | 内江富晟机械有限公司 | Variable-parameter crank shaft corrective polishing method and device |
| CN111421422A (en) * | 2020-05-11 | 2020-07-17 | 山东理工大学 | Polishing device and manufacturing method thereof |
-
2013
- 2013-04-01 CN CN 201320154392 patent/CN203197708U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103158046A (en) * | 2013-04-01 | 2013-06-19 | 内江富晟机械有限公司 | Variable-parameter crank shaft corrective polishing method and device |
| CN103158046B (en) * | 2013-04-01 | 2015-04-08 | 内江富晟机械有限公司 | Variable-parameter crank shaft corrective polishing method and device |
| CN111421422A (en) * | 2020-05-11 | 2020-07-17 | 山东理工大学 | Polishing device and manufacturing method thereof |
| CN111421422B (en) * | 2020-05-11 | 2022-08-30 | 山东理工大学 | Crankshaft polishing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130918 Effective date of abandoning: 20150408 |
|
| RGAV | Abandon patent right to avoid regrant |