CN202388315U - Angle-free indexing fixture for shaft neck processing of crankshaft connecting rod - Google Patents
Angle-free indexing fixture for shaft neck processing of crankshaft connecting rod Download PDFInfo
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- CN202388315U CN202388315U CN 201120538236 CN201120538236U CN202388315U CN 202388315 U CN202388315 U CN 202388315U CN 201120538236 CN201120538236 CN 201120538236 CN 201120538236 U CN201120538236 U CN 201120538236U CN 202388315 U CN202388315 U CN 202388315U
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- transition disc
- tooth end
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Abstract
The utility model relates to an angle-free indexing fixture for shaft neck processing of a crankshaft connecting rod. The angle-free indexing fixture comprises a chuck body, an eccentric adjusting device, a transition disc, a manual separation device, a chuck indexing mechanism and a workpiece clamping device, wherein the chuck body is fixed on a workpiece drive device through a screw; a dial indicator is mounted on the side surface of the transition disc; the transition disc is connected with the chuck body through a transition disc locking screw and the eccentric adjusting device; an eccentric adjusting screw rod for adjusting the eccentricity of the fixture is arranged in the eccentric adjusting device; the manual separation device is mounted between the transition disc and the eccentric adjusting device; when the chuck indexing mechanism is indexed and positioned, a rotary straight tooth end toothed disc is engaged with a fixed straight tooth end toothed disc; when the chuck indexing mechanism is indexed, the rotary straight tooth end toothed disc is separated from the fixed straight tooth end toothed disc; a big gear of the chuck indexing mechanism is connected behind the chassis; the big gear is engaged with a drive gear mounted on the transition disc through a driven gear; an indexing dial and a vernier are mounted between a drive disc of the chuck mechanism and the transition disc; and the workpiece clamping device is connected with the rear surface of the drive disc.
Description
Technical field
The utility model relates to the clamping indexing fixture of a kind of rod journal processing, especially a kind of integrated can be by the anchor clamps of arbitrarily angled accurate calibration, eccentric adjusting and clamping work pieces.
Background technology
Connecting rod neck clamp for machining and Fig. 1 structure used in traditional bent axle process equipment are similar; This type anchor clamps have three big shortcomings when the big specification heavy type of processing bent axle: owing to the suffered frictional force of the big front end bearing shell of heavy bent axle weight is big, lead agency is had bigger rigidity requirement 1..2. use single latch location and drive workpiece, the big latch distortion of drive influences positioning accuracy.3. all will unclamp chuck during each calibration, calibration finishes clamping and produces repetitive positioning accuracy.
Summary of the invention
The utility model will provide a kind of rod journal to process arbitrarily angled indexing fixture exactly; Be used for improving the eccentric adjustment of crank-shaft link neck processing and the precision of phase place calibration and the phase place calibration of various angles; Increase work efficiency; Reduce labour intensity, thereby realize that a kind of indexing fixture can process all kinds of specification bent axles, No. one time clamping can be accomplished crankshaft-link rod diameter of axle function of processing.
For realizing above-mentioned purpose, the technical scheme of the utility model is: a kind of rod journal is processed arbitrarily angled indexing fixture, comprises chuck body; Eccentric adjuster; Transition disc, manual separation device, chuck indexing mechanism; Workpiece clamping device is characterized in: chuck body is fixed on the workpiece drive unit through screw; Dial gauge is equipped with in the transition disc side, and transition disc links to each other with chuck body with eccentric adjuster through the transition disc lock-screw; Be provided with the eccentric eccentric adjusting screw rod of alignment jig in the eccentric adjuster; The manual separation device is housed between transition disc and the eccentric adjuster, and the eccentric rotation axis handle in the manual separation device is connected with the push rod contact through eccentric shaft, and push rod is connected with lever through the top; Deep groove ball bearing is equipped with at the lever two ends; And radially connect the chassis through deep groove ball bearing, and the chassis end face is provided with changes the straight-tooth end-toothed disc, and manual separation Unit Installation seat end face is provided with decides the straight-tooth end-toothed disc; During chuck indexing mechanism calibration location, change the straight-tooth end-toothed disc and decide the engagement of straight-tooth end-toothed disc; During chuck indexing mechanism calibration, change the straight-tooth end-toothed disc and decide the straight-tooth end-toothed disc and separate; The chassis connects the gear wheel of chuck indexing mechanism at the back, and gear wheel is equipped with dial and vernier through driven gear and the driving gear engagement that is installed on the transition disc between the drive dish of chuck mechanism and the transition disc, drive dish back joining work pieces clamping device.
Eccentric adjuster is connected with the manual separation device through the setscrew nut with the cooperation of eccentric adjusting screw rod.
Be provided with the turntable bearing between drive dish in the chuck indexing mechanism and the transition disc.
Eccentric shaft lower end in the manual separation device is provided with two combination bearings, and the upper end is provided with needle bearing.
Be connected through rolling bearing respectively between driving gear and driven gear and the transition disc.
The beneficial effect of the utility model is: 1. when index dial rotates all is that the bearing contact friction force is little, requires low to the rigidity that drives device.2. adopt end-toothed disc to drive the workpiece good rigidly, do not influence the calibration positioning accuracy.3. need not to unclamp chuck during calibration and do not produce repetitive positioning accuracy.
Description of drawings
Fig. 1 is the connecting rod neck clamp for machining sketch map that uses in the traditional bent axle process equipment;
Fig. 2 is the structural upright sketch map of the utility model;
Fig. 3 is a longitudinal section of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
As shown in Figure 2, the rod journal of the utility model is processed arbitrarily angled indexing fixture, comprises means for correcting 1, chuck body 15, eccentric adjuster 41, transition disc 40, manual separation device 42, chuck indexing mechanism 43, Workpiece clamping device 33 etc.
Chuck body 15 is fixed on the workpiece drive unit 8 through screw; Transition disc 40 links to each other with chuck body 15 with eccentric adjuster through eight transition disc lock-screws 27.Dial gauge 11 is equipped with in transition disc 40 sides, and means for correcting 1 is housed on the chuck body 15, and the manual separation device is housed between transition disc 40 and the eccentric adjuster.
As shown in Figure 3, eccentric adjuster comprises setscrew nut 7, bearing block 14, eccentric adjusting screw rod 16 etc.Eccentric adjusting screw rod 16 is connected on the chuck body 15 through bearing block 14, is rotary with setscrew nut 7 on the eccentric adjusting screw rod 16, and setscrew nut 7 is connected with the manual separation device.
The manual separation device comprises changes straight-tooth end-toothed disc 5, decides straight-tooth end-toothed disc 6, combination bearing 9, push rod 10, axle sleeve 13, needle bearing 17, eccentric shaft handle 18, deep groove ball bearing 22, positioning disk 25, top 26, lever 29, chassis 31 etc.
Eccentric rotation axis handle 18 is connected with push rod 10 contacts through eccentric shaft 12; Push rod 10 is connected with lever 29 through top 26, and deep groove ball bearing 22 is equipped with at lever 29 two ends, and radially connects chassis 31 through deep groove ball bearing 22; Chassis 31 end faces are provided with changes straight-tooth end-toothed disc 5; Manual separation Unit Installation seat end face is provided with decides straight-tooth end-toothed disc 6, chuck indexing mechanism calibration when location, change straight-tooth end-toothed disc 5 with decide straight-tooth end-toothed disc 6 and mesh; During chuck indexing mechanism calibration, change straight-tooth end-toothed disc 5 with decide straight-tooth end-toothed disc 6 and separate; Eccentric shaft 12 lower ends are provided with two combination bearings 9, and the upper end is provided with needle bearing 17.
The chuck indexing mechanism comprises rolling bearing 2, driving gear 3, driven gear 4, gear wheel 19; Turntable bearing 20, dial 21 drives pin 23; Straight line ball bearing guide bushing 24, alignment pin 34, connecting pin 35, toothed disc pressure strip 39 (circumference uniform distribution), drive dish 36; Vernier 37, seal cover 38, transition disc 40.
Be connected chassis 31 back gear wheels 19 through driven gear 4 and driving gear 3 engagements that are installed on the transition disc 40, dial 21 and vernier 37 be housed, drive dish 36 back joining work pieces clamping devices 33 between the drive dish 36 of chuck mechanism and the transition disc 40.Be provided with turntable bearing 20 between drive dish 36 and the transition disc 40.Be connected through rolling bearing 2 respectively between driving gear 3 and driven gear 4 and the transition disc 40.
Gear wheel 19 drives pin 23, chassis 31, and Workpiece clamping device 33, alignment pin 34, connecting pin 35, drive dish 36, vernier 37 is formed chuck mechanism with the toothed disc pressure strip that is uniformly distributed along the circumference 39.
Unclamp transition disc lock-screw 27 and can use the off-centre of eccentric adjusting screw rod 16 alignment jigs.The standard length bar is put in eccentric correction device 1 centre, through the next accurately control of the reading of dial gauge 11 offset.Eccentric rotation axis handle 18 drives eccentric shafts 12 and promotes push rods 10, backs down top 26 and drives levers 29, and the deep groove ball bearing 22 on the lever radially backs down chassis 31 and drives and change straight-tooth end-toothed discs 5 and decide straight-tooth end-toothed disc 6 and separate.Rotate driving gear 3 drive driven gears 4 and drive gear wheel 19 again; Gear wheel 19 drives front end and is rotated together by chuck mechanism; Confirm angle through dial 21 and vernier 37; Mix up after the angle eccentric rotation axis handle 18 again, making changes straight-tooth end-toothed disc 5 and decides straight-tooth end-toothed disc 6 and mesh again, can realize accurate calibration function.
Chuck body portion is installed on the drive unit of workpiece rotation; Before the processing work rod journal; At first utilize eccentric adjuster to adjust offset, adjust the initial phase of bent axle then, utilize the workpiece clamping part of anchor clamps that bent axle is fixed by the stroke amount of bent axle.After the processing of accomplishing a rod journal; Eccentric rotation axis makes mobile push rod back down the face gear dish, rotates driving gear then, through gear drive; Indicate according to the scale on the dial; Bent axle is turned to specified angle, and eccentric rotation axis resets push rod and face gear dish then, thereby realizes rod journal phase place calibration quick and precisely.
Claims (5)
1. a rod journal is processed arbitrarily angled indexing fixture; Comprise chuck body (15), eccentric adjuster, transition disc (40); The manual separation device; The chuck indexing mechanism, Workpiece clamping device (33) is characterized in that: said chuck body (15) is fixed on the workpiece drive unit (8) through screw; Dial gauge (11) is equipped with in transition disc (40) side, and transition disc (40) links to each other with chuck body (15) with eccentric adjuster through transition disc lock-screw (27); Be provided with the eccentric eccentric adjusting screw rod (16) of alignment jig in the eccentric adjuster; Between transition disc (40) and the eccentric adjuster manual separation device is housed; Eccentric rotation axis handle (18) in the manual separation device is connected with push rod (10) contact through eccentric shaft (12); Push rod (10) is connected with lever (29) through top (26), and deep groove ball bearing (22) is equipped with at lever (29) two ends, and radially connects chassis (31) through deep groove ball bearing (22); Chassis (31) end face is provided with changes straight-tooth end-toothed disc (5); Manual separation Unit Installation seat end face is provided with decides straight-tooth end-toothed disc (6), during chuck indexing mechanism calibration location, changes straight-tooth end-toothed disc (5) and decides straight-tooth end-toothed disc (6) engagement; During chuck indexing mechanism calibration, change straight-tooth end-toothed disc (5) and decide straight-tooth end-toothed disc (6) and separate; Back, chassis (31) connects the gear wheel (19) of chuck indexing mechanism; Gear wheel (19) is through driven gear (4) and driving gear (3) engagement that is installed on the transition disc (40); Dial (21) and vernier (37) are housed, drive dish (36) back joining work pieces clamping device (33) between the drive dish (36) of chuck mechanism and the transition disc (40).
2. rod journal according to claim 1 is processed arbitrarily angled indexing fixture, it is characterized in that: said eccentric adjuster is connected with the manual separation device through the setscrew nut (7) with eccentric adjusting screw rod (16) cooperation.
3. rod journal according to claim 1 is processed arbitrarily angled indexing fixture, it is characterized in that: be provided with turntable bearing (20) between drive dish (36) in the said chuck indexing mechanism and the transition disc (40).
4. rod journal according to claim 1 is processed arbitrarily angled indexing fixture, it is characterized in that: eccentric shaft (12) lower end in the said manual separation device is provided with two combination bearings (9), and the upper end is provided with needle bearing (17).
5. rod journal according to claim 1 is processed arbitrarily angled indexing fixture, it is characterized in that: be connected through rolling bearing (2) respectively between said driving gear (3) and driven gear (4) and the transition disc (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120538236 CN202388315U (en) | 2011-12-21 | 2011-12-21 | Angle-free indexing fixture for shaft neck processing of crankshaft connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120538236 CN202388315U (en) | 2011-12-21 | 2011-12-21 | Angle-free indexing fixture for shaft neck processing of crankshaft connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202388315U true CN202388315U (en) | 2012-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120538236 Expired - Fee Related CN202388315U (en) | 2011-12-21 | 2011-12-21 | Angle-free indexing fixture for shaft neck processing of crankshaft connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202388315U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816003A (en) * | 2015-03-10 | 2015-08-05 | 长江大学 | Eccentric turning clamping device |
| CN104476323B (en) * | 2014-11-18 | 2016-11-30 | 重庆齿轮箱有限责任公司 | The precision dividing apparatus of a kind of macrotype axes series parts and method |
| CN108500701A (en) * | 2018-04-04 | 2018-09-07 | 王华银 | A kind of turning fixture for crankshaft |
| CN109926869A (en) * | 2019-04-03 | 2019-06-25 | 浙江京速机床附件有限公司 | A kind of non-equal part hydraulic and indexing chuck |
| CN114425706A (en) * | 2022-03-14 | 2022-05-03 | 浙江杰克智能装备有限公司 | Crankshaft grinding head frame chuck clamp |
| CN114986251A (en) * | 2022-06-07 | 2022-09-02 | 中船动力镇江有限公司 | Method for processing connecting rod neck and crank arm of diesel engine crankshaft |
-
2011
- 2011-12-21 CN CN 201120538236 patent/CN202388315U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476323B (en) * | 2014-11-18 | 2016-11-30 | 重庆齿轮箱有限责任公司 | The precision dividing apparatus of a kind of macrotype axes series parts and method |
| CN104816003A (en) * | 2015-03-10 | 2015-08-05 | 长江大学 | Eccentric turning clamping device |
| CN108500701A (en) * | 2018-04-04 | 2018-09-07 | 王华银 | A kind of turning fixture for crankshaft |
| CN109926869A (en) * | 2019-04-03 | 2019-06-25 | 浙江京速机床附件有限公司 | A kind of non-equal part hydraulic and indexing chuck |
| CN109926869B (en) * | 2019-04-03 | 2020-06-02 | 浙江京速机床附件有限公司 | Non-equal division hydraulic indexing chuck |
| CN114425706A (en) * | 2022-03-14 | 2022-05-03 | 浙江杰克智能装备有限公司 | Crankshaft grinding head frame chuck clamp |
| CN114425706B (en) * | 2022-03-14 | 2023-02-10 | 浙江杰克智能装备有限公司 | Chuck clamp for crankshaft grinding head frame |
| CN114986251A (en) * | 2022-06-07 | 2022-09-02 | 中船动力镇江有限公司 | Method for processing connecting rod neck and crank arm of diesel engine crankshaft |
| CN114986251B (en) * | 2022-06-07 | 2024-01-30 | 中船动力镇江有限公司 | Method for processing connecting rod neck and crank arm of diesel engine crankshaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20191221 |