CN103692427A - Flywheel excircle scribing device and scribing method - Google Patents
Flywheel excircle scribing device and scribing method Download PDFInfo
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- CN103692427A CN103692427A CN201310703355.2A CN201310703355A CN103692427A CN 103692427 A CN103692427 A CN 103692427A CN 201310703355 A CN201310703355 A CN 201310703355A CN 103692427 A CN103692427 A CN 103692427A
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Abstract
The invention discloses a flywheel excircle scribing device which comprises a workbench, a flywheel positioning mechanism, a flywheel excircle locking mechanism, a tool setting sample plate and a scribing mechanism, wherein a flywheel is supported on the workbench, the positioning mechanism is connected with one end of a connecting plate, the scribing mechanism is arranged at the other end of the connecting plate, the tool setting sample plate is fixed on the upper side of the excircle of a flywheel scribing part, and the flywheel excircle locking mechanism is arranged on the upper side and the lower side of the flywheel scribing part. The line scribing method comprises the following steps: 1) the center of the flywheel is positioned and fixed on the workbench, 2) the tool setting sample plate is fixed on the scribing part of the flywheel, 3) the tool tip of the white steel knife is aligned with the tool setting sample plate, 4) the lead screw is rotated anticlockwise to finish scribing, and 5) the lead screw is rotated clockwise to finish retracting. The device has the advantages of compact structure, convenient use, low manufacturing cost and high processing efficiency. The scribing method of the invention does not need a machine tool, only needs manual operation, reduces the processing cost, has uniform distribution of a plurality of scribed lines and improves the scribing quality.
Description
Technical field
The present invention relates to a kind of machining of diesel engine flywheel, relate in particular to special-purpose graduating device and method that a kind of flywheel cylindrical axially carves each cylinder pistons work upper dead center position line, belong to metal parts Machining Technology for Cutting field.
Background technology
Flywheel is the critical movements part of diesel engine, its crudy directly has influence on Diesel Engine Complete Machine performance and used life, according to the designing requirement of diesel engine, at flywheel cylindrical, axially need to carve each cylinder pistons work upper dead center position line, due to line width 0.5mm, degree of depth 0.5mm, and the central angle of adjacent two only has 0.5 °.Flywheel is fixing with the rotary table support of machine tool, is difficult to guarantee that each groove is uniformly distributed with flywheel central axis, and machine tool also cannot carry out the groove calibration of 0.5 °.Groove inconvenient operation, processing cost is high, efficiency is low, crudy does not also reach drawing requirement.
Summary of the invention
In order to overcome above-mentioned deficiency, the invention provides a kind of flywheel cylindrical graduating device and groove method, do not need to use lathe, just can on flywheel cylindrical, press the even groove of groove calibration of 0.5 °.
The present invention is achieved by the following technical programs:
A kind of flywheel cylindrical graduating device, comprise workbench, flywheel detent mechanism, flywheel cylindrical retaining mechanism, bit ga(u)ge and groove mechanism, flywheel medial support is on workbench, being inlaid in flywheel central through hole is connected with connecting plate one end with the detent mechanism in workbench center positioning hole, described groove mechanism is arranged on the connecting plate other end, described bit ga(u)ge two ends are fixed on flywheel line-marking part cylindrical upside by pressing plate respectively, and described flywheel cylindrical retaining mechanism is arranged on the upper and lower sides of flywheel line-marking part; Flywheel detent mechanism comprises positioning sleeve and terminal pad, described positioning sleeve lower end is embedded in flywheel central through hole upper end, terminal pad upper end is embedded in flywheel central through hole lower end, terminal pad lower end is embedded in workbench center positioning hole, stationary bushing is fixed in connecting plate one end, connecting plate one end is hinged by stationary bushing and positioning sleeve upper end, and upper and lower two securing members that pass respectively positioning sleeve and terminal pad are fixed on flywheel center on workbench; Groove mechanism comprises screw mandrel, swivel nut, pair of bearings, white steel knife and swivel nut guiding mechanism, the connecting plate other end extends bearing cartridge vertically downward, screw mandrel is vertically through connecting plate one end and bearing cartridge, and screw mandrel middle part is supported in connecting plate one end and bearing cartridge by pair of bearings; The side of being provided with, screw mandrel upper end handle, screw mandrel lower end is threaded with swivel nut, and white steel knife shank is fixed in swivel nut one side, and white steel knife point of a knife is aimed at the flywheel cylindrical of line-marking part; Swivel nut guiding mechanism is arranged on outside swivel nut one side, and described flywheel cylindrical retaining mechanism is arranged between the flywheel cylindrical of swivel nut and line-marking part.
Object of the present invention further realizes by the following technical programs.
Aforesaid flywheel cylindrical graduating device, wherein said swivel nut guiding mechanism comprises guide plate and guide finger, described guide plate upper end is fixed on connecting plate other end end face, guide finger one end is fixedly connected with guide plate lower end is vertical, swivel nut opposite side is provided with axially directed groove, and the guide finger other end puts in the axially directed groove of swivel nut opposite side.
Aforesaid flywheel cylindrical graduating device, wherein said bit ga(u)ge is circular arc bar-shaped plate, and the central angle alpha of described circular arc bar-shaped plate is acute angle, and the inner arc radius of described circular arc bar-shaped plate equates with the arc radius of flywheel boss; Uniform a plurality of stepped tooths in the outer arc of circular arc flat board, angle β=0.5 ° of two adjacent stepped tooth center lines, trapezoidal tooth depth h=0.4～0.6mm, teeth groove angle γ=40 of two adjacent stepped tooths °～50 °.On bit ga(u)ge, be carved with radial reference line.
Aforesaid flywheel cylindrical graduating device, wherein said flywheel cylindrical retaining mechanism comprises hold-down bolt and locking connecting rod, and described hold-down bolt upper end is threaded with the connecting plate other end, and hold-down bolt lower end is vertically resisted against on bit ga(u)ge upper side; Locking connecting rod is hook-type, and hinged outside locking small end and the connecting plate other end, flywheel line-marking part radial edges downside is hooked in the hook-type lower end of locking connecting rod.
Aforesaid flywheel cylindrical graduating device, wherein said positioning sleeving shaft is to extending upward locating dowel, described locating dowel and stationary bushing endoporus matched in clearance.
A groove method for flywheel cylindrical graduating device, comprises the following steps:
1) terminal pad lower end is embedded in workbench center positioning hole, again flywheel is placed on workbench, flywheel central through hole lower end is positioned on terminal pad upper end, in flywheel central through hole upper end, embed positioning sleeve, the stationary bushing of connecting plate one end is inserted in the locating dowel of positioning sleeve upper end, finally by two trip bolts respectively from flywheel upper and lower sides, successively vertically through upper gasket, positioning sleeve be positioned at the lower gasket of workbench top board inner side, be fixedly connected with terminal pad upper and lower side respectively, flywheel centralized positioning is fixed on workbench;
2) by bit ga(u)ge inner arc limit top flywheel boss cylindrical, make the radial reference line on cutter model aim at flywheel upper dead center position line, then pressing plate is pushed down to bit ga(u)ge two ends, bit ga(u)ge is fixed on flywheel 6;
3) unclamp hold-down bolt and locking nut, make to lock connecting rod and become free state, the locating dowel center rotating by connecting plate around positioning sleeve upper end, makes the point of a knife end of white steel knife aim at the teeth groove center of two adjacent stepped tooths of bit ga(u)ge; Tighten respectively hold-down bolt and locking nut, flywheel line-marking part downside is hooked in locking connecting rod lower end, and the flywheel cylindrical upper and lower sides depressed position of line-marking part is fixed; Meanwhile, the connecting plate of adjusting to level is compacted bolt and locking link lever locking also;
4) use the square handle of spanner clamping screw mandrel upper end, be rotated counterclockwise screw mandrel, under the axially directed groove guiding of guide finger and swivel nut opposite side coordinates, swivel nut moves straight down, the white steel knife point of a knife end that makes to be contained on swivel nut moves down, and completes the scribing of 1 vertical line of flywheel cylindrical;
5) screw mandrel that turns clockwise, swivel nut drives white steel knife to move straight up withdrawing;
6) repeating step 3 repeatedly)～5), complete scribing all vertical lines of flywheel cylindrical.
Flywheel cylindrical graduating device compact conformation of the present invention, easy to use, score quality good, low cost of manufacture, working (machining) efficiency are high.Uniform a plurality of stepped tooths in bit ga(u)ge outer arc, have realized flywheel cylindrical groove and take the calibration of 0.5 ° that flywheel center is axle center.Groove method of the present invention does not need to use lathe, only needs manual operations, has reduced processing cost, and many grooves are evenly distributed, and have improved score quality.
Advantage and disadvantage of the present invention, the non-limitative illustration by preferred embodiment below is for illustration and explanation, and these embodiment, only provide as an example with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the A of Fig. 1 is to zoomed-in view;
Fig. 3 is the front view of bit ga(u)ge;
Fig. 4 is the I portion enlarged drawing of Fig. 3.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1 to 4, the present invention includes workbench 1, flywheel detent mechanism 2, flywheel cylindrical retaining mechanism 3, bit ga(u)ge 4 and groove mechanism 5, flywheel 6 medial support are on workbench 1, be inlaid in flywheel central through hole 61 and be connected with connecting plate 7 left ends with the flywheel detent mechanism 2 in workbench center positioning hole 11, groove mechanism 5 is arranged on connecting plate 7 right-hand members.
Flywheel detent mechanism 2 comprises positioning sleeve 21 and terminal pad 22, positioning sleeve 21 and terminal pad 22 are terraced structure, positioning sleeve 21 lower ends are embedded in flywheel central through hole 61 upper ends, terminal pad 22 upper ends are embedded in flywheel central through hole 61 lower ends, terminal pad 22 lower ends are embedded in workbench center positioning hole 11, positioning sleeve 21 axially extends upward locating dowel 211, , stationary bushing 71 is fixed in connecting plate 7 left ends by interference fit, locating dowel 211 and stationary bushing 71 endoporus matched in clearance, connecting plate 7 left ends are threaded with terminal pad 22 through upper gasket 8 and positioning sleeve 21 with the hinged screw 9 that tightens of locating dowel 211 of positioning sleeve upper end by stationary bushing 21.Lower trip bolt 10 is threaded through lower gasket 20 and terminal pad 22, by the structure of locking up and down terminal pad 22, flywheel 6 centers is fixed on workbench 1.Also an available screw rod, from top to bottom successively through upper gasket 8, positioning sleeve 21, terminal pad 22 and lower gasket 20, is fixed on flywheel 6 centers on workbench 1 by being tightened in the nut of screw rod lower end.
As shown in Figure 3 and Figure 4, bit ga(u)ge 4 is circular arc bar-shaped plate, circular arc bar-shaped plate central angle alpha=45 ° of the present embodiment, and the inner arc radius of described circular arc bar-shaped plate equates with the arc radius of flywheel boss 62, makes bit ga(u)ge 4 have radial location benchmark.Uniform a plurality of stepped tooths 41 in the outer arc of circular arc flat board, the starting point angle of the stepped tooth 41 of the present embodiment and terminal angle are as 10 ° in Fig. 3 and 35 °, angle β=0.5 ° of two adjacent stepped tooth 41 center lines, trapezoidal tooth depth h=0.5mm, teeth groove angle γ=45 ° of two adjacent stepped tooths 41.The bit ga(u)ge 4 of the present embodiment is in the scope of 10 ° to 35 °, every 1 stepped tooth 41 of 0.5 ° of processing.Bit ga(u)ge 4 adopts line cutting processing to form, and guarantees 0.5 ° of calibration requirement of bit ga(u)ge 4.On bit ga(u)ge 4, be carved with the radial reference line 42 for bit ga(u)ge 4 is aimed to flywheel 6 top dead-centre benchmark, the angle of the radial reference line 42 of the present embodiment is illustrated in figure 3 15 °, and bit ga(u)ge 4 two ends are fixed on flywheel 6 line-marking part cylindrical upsides by pressing plate 43 respectively.
Swivel nut guiding mechanism 55 is arranged on outside swivel nut 52 right sides, comprise guide plate 551 and guide finger 552, guide plate 551 upper ends are fixed on connecting plate 7 right-hand member end faces, swivel nut 52 right sides are provided with axially directed groove 521, guide finger 552 right-hand members and vertical being fixedly connected with in guide plate 551 lower ends, guide finger 552 left ends put in the axially directed groove 521 on swivel nut 52 right sides.When such structure is rotated screw mandrel 51, swivel nut 52 can not rotate, and can only move up and down.
Flywheel cylindrical retaining mechanism 3 is arranged on the upper and lower sides of flywheel 6 line-marking parts, comprises hold-down bolt 31 and locking connecting rod 32, and hold-down bolt 31 upper ends are threaded with connecting plate 7 right-hand members, and hold-down bolt 31 lower ends are vertically resisted against on bit ga(u)ge 4 upper sides.Locking connecting rod 32 is hook-type, hinged outside its upper end and connecting plate 7 right-hand members, the laterally extending flywheel 6 line-marking part cylindrical downsides that hook in its hook-type lower end.Flywheel 6 line-marking part radial edges upper and lower sides respectively compacted bolt 31 clamp with locking connecting rod 32 lower end hook-types and are convenient to groove, and lock hold-down bolts 31 with locking nut 33.
Groove method of the present invention, comprises the following steps:
1) terminal pad 22 lower ends are embedded in workbench center positioning hole 11, again flywheel 6 is placed on workbench 1, flywheel central through hole 61 lower ends are positioned on terminal pad 22 upper ends, in flywheel central through hole 61 upper ends, embed positioning sleeve 21, the stationary bushing 71 of connecting plate 7 right-hand members is enclosed within the locating dowel 211 of positioning sleeve 21 upper ends, finally will tighten screw 9, lower trip bolt 10 is respectively from flywheel 6 upper and lower sides, successively vertically through upper gasket 8, positioning sleeve 21 and the lower gasket 10 that is positioned at workbench top board inner side, be fixedly connected with terminal pad 22 upper and lower sides respectively, flywheel 6 centralized positionings are fixed on workbench 1.
2) by bit ga(u)ge 4 top flywheel boss 62 cylindricals in inner arc limit, the radial reference line on bit ga(u)ge 4 42 is aimed to flywheel upper dead center position line, then pressing plate 43 is pushed down to bit ga(u)ge 4 two ends, bit ga(u)ge 4 is fixed on flywheel 6.
3) unclamp hold-down bolt 31 and locking nut 33, make to lock 32 one-tenth free states of connecting rod, locating dowel 211 center rotatings by connecting plate 7 around positioning sleeve 21 upper ends, make the point of a knife end of white steel knife 54 aim at the teeth groove center of two adjacent stepped tooths 41 of bit ga(u)ge 4; Tighten respectively hold-down bolt 31 and locking nut 33, flywheel line-marking part downside is hooked in locking connecting rod 32 lower ends, and the flywheel cylindrical upper and lower sides depressed position of line-marking part is fixed; Meanwhile, adjust to also compacted bolt 31 and 32 lockings of locking connecting rod of connecting plate 7 of level.
4) use the square handle 511 of spanner clamping screw mandrel 51 upper ends, be rotated counterclockwise screw mandrel 51, under axially directed groove 521 guiding on guide finger 562 and swivel nut 52 right sides coordinate, swivel nut 52 moves straight down, the point of a knife that makes to be contained in the white steel knife 54 on swivel nut moves down, and completes the scribing of 1 vertical line of flywheel 6 cylindricals;
5) screw mandrel 51 that turns clockwise, swivel nut 52 drives white steel knife 54 to move straight up withdrawing.
6) repeating step 3 repeatedly)～5), complete scribing all vertical lines of flywheel 6 cylindricals.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (7)
1. a flywheel cylindrical graduating device, it is characterized in that, comprise workbench, flywheel detent mechanism, flywheel cylindrical retaining mechanism, bit ga(u)ge and groove mechanism, flywheel medial support is on workbench, being inlaid in flywheel central through hole is connected with connecting plate one end with the detent mechanism in workbench center positioning hole, described groove mechanism is arranged on the connecting plate other end, described bit ga(u)ge two ends are fixed on flywheel line-marking part cylindrical upside by pressing plate respectively, and described flywheel cylindrical retaining mechanism is arranged on the upper and lower sides of flywheel line-marking part; Flywheel detent mechanism comprises positioning sleeve and terminal pad, described positioning sleeve lower end is embedded in flywheel central through hole upper end, terminal pad upper end is embedded in flywheel central through hole lower end, terminal pad lower end is embedded in workbench center positioning hole, stationary bushing is fixed in connecting plate one end, connecting plate one end is hinged by stationary bushing and positioning sleeve upper end, and upper and lower two securing members that pass respectively positioning sleeve and terminal pad are fixed on flywheel center on workbench; Groove mechanism comprises screw mandrel, swivel nut, pair of bearings, white steel knife and swivel nut guiding mechanism, the connecting plate other end extends bearing cartridge vertically downward, screw mandrel is vertically through connecting plate one end and bearing cartridge, and screw mandrel middle part is supported in connecting plate one end and bearing cartridge by pair of bearings; The side of being provided with, screw mandrel upper end handle, screw mandrel lower end is threaded with swivel nut, and white steel knife shank is fixed in swivel nut one side, and white steel knife point of a knife is aimed at the flywheel cylindrical of line-marking part; Swivel nut guiding mechanism is arranged on outside swivel nut one side, and described flywheel cylindrical retaining mechanism is arranged between the flywheel cylindrical of swivel nut and line-marking part.
2. flywheel cylindrical graduating device as claimed in claim 1, it is characterized in that, described swivel nut guiding mechanism comprises guide plate and guide finger, described guide plate upper end is fixed on connecting plate other end end face, swivel nut opposite side is provided with axially directed groove, guide finger one end is fixedly connected with guide plate lower end is vertical, and the guide finger other end puts in the axially directed groove of swivel nut opposite side.
3. flywheel cylindrical graduating device as claimed in claim 1, it is characterized in that, described bit ga(u)ge is circular arc bar-shaped plate, and the central angle alpha of described circular arc bar-shaped plate is acute angle, and the inner arc radius of described circular arc bar-shaped plate equates with the arc radius of flywheel boss; Uniform a plurality of stepped tooths in the outer arc of circular arc flat board, angle β=0.5 ° of two adjacent stepped tooth center lines, trapezoidal tooth depth h=0.4～0.6mm, teeth groove angle γ=40 of two adjacent stepped tooths °～50 °.
4. flywheel cylindrical graduating device as claimed in claim 3, is characterized in that, on described bit ga(u)ge, is carved with radial reference line.
5. flywheel cylindrical graduating device as claimed in claim 1, it is characterized in that, described flywheel cylindrical retaining mechanism comprises hold-down bolt and locking connecting rod, and described hold-down bolt upper end is threaded with the connecting plate other end, and hold-down bolt lower end is vertically resisted against on bit ga(u)ge upper side; Locking connecting rod is hook-type, and hinged outside locking small end and the connecting plate other end, flywheel line-marking part radial edges downside is hooked in the hook-type lower end of locking connecting rod.
6. flywheel cylindrical graduating device as claimed in claim 1, is characterized in that, described positioning sleeving shaft is to extending upward locating dowel, described locating dowel and stationary bushing endoporus matched in clearance.
7. a groove method for flywheel cylindrical graduating device as claimed in claim 1, is characterized in that, comprises the following steps:
1) terminal pad lower end is embedded in workbench center positioning hole, again flywheel is placed on workbench, flywheel central through hole lower end is positioned on terminal pad upper end, in flywheel central through hole upper end, embed positioning sleeve, the stationary bushing of connecting plate one end is inserted in the locating dowel of positioning sleeve upper end, finally by two trip bolts respectively from flywheel upper and lower sides, successively vertically through upper gasket, positioning sleeve be positioned at the lower gasket of workbench top board inner side, be fixedly connected with terminal pad upper and lower side respectively, flywheel centralized positioning is fixed on workbench;
2) by bit ga(u)ge inner arc limit top flywheel boss cylindrical, the radial reference line on bit ga(u)ge is aimed to flywheel upper dead center position line, then pressing plate is pushed down to bit ga(u)ge two ends, bit ga(u)ge is fixed on flywheel 6;
3) unclamp hold-down bolt and locking nut, make to lock connecting rod and become free state, the locating dowel center rotating by connecting plate around positioning sleeve upper end, makes the point of a knife end of white steel knife aim at the teeth groove center of two adjacent stepped tooths of bit ga(u)ge; Tighten respectively hold-down bolt and locking nut, flywheel line-marking part downside is hooked in locking connecting rod lower end, and the flywheel cylindrical upper and lower sides depressed position of line-marking part is fixed; Meanwhile, the connecting plate of adjusting to level is compacted bolt and locking link lever locking also;
4) use the square handle of spanner clamping screw mandrel upper end, be rotated counterclockwise screw mandrel, under the axially directed groove guiding of guide finger and swivel nut opposite side coordinates, swivel nut moves straight down, and the point of a knife that makes to be contained in the white steel knife on swivel nut has moved down the scribing of 1 vertical line of flywheel cylindrical;
5) screw mandrel that turns clockwise, swivel nut drives white steel knife to move straight up withdrawing;
6) repeating step 3 repeatedly)～5), complete scribing all vertical lines of flywheel cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310703355.2A CN103692427B (en) | 2013-12-20 | 2013-12-20 | Flywheel excircle scribing device and scribing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310703355.2A CN103692427B (en) | 2013-12-20 | 2013-12-20 | Flywheel excircle scribing device and scribing method |
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| Publication Number | Publication Date |
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| CN103692427A true CN103692427A (en) | 2014-04-02 |
| CN103692427B CN103692427B (en) | 2015-09-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211310A (en) * | 2021-11-23 | 2022-03-22 | 一重集团天津重工有限公司 | Centering machining method for internal spline of synchronous gear of rotary hub flying shear |
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| CN102501241A (en) * | 2011-11-03 | 2012-06-20 | 中国铁道科学研究院机车车辆研究所 | Marking-off table for instrumented wheel sets and using method for the same |
| CN202726905U (en) * | 2012-07-02 | 2013-02-13 | 东风汽车公司 | Graduating device for engine flywheel |
| CN203650503U (en) * | 2013-12-20 | 2014-06-18 | 中船动力有限公司 | Flywheel excircle scribing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH081387A (en) * | 1994-06-15 | 1996-01-09 | Nikon Corp | Division graduating device for optical parts or die for optical parts |
| CN201625976U (en) * | 2010-01-05 | 2010-11-10 | 昆明电机厂有限公司 | Accurate marking tool for large-diameter ring workpiece |
| CN201907115U (en) * | 2010-11-04 | 2011-07-27 | 杭州德曼汽车零部件有限公司 | Manual dividing machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211310A (en) * | 2021-11-23 | 2022-03-22 | 一重集团天津重工有限公司 | Centering machining method for internal spline of synchronous gear of rotary hub flying shear |
| CN114211310B (en) * | 2021-11-23 | 2024-05-07 | 一重集团天津重工有限公司 | Centering processing method for internal spline of rotary hub flying shear synchronous gear |
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| CN103692427B (en) | 2015-09-23 |
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Address after: 212211 No. 402, Changjiang Road, Zhenjiang City, Jiangsu Province Patentee after: China Shipbuilding Power Zhenjiang Co.,Ltd. Address before: 402 Changjiang Road, Runzhou District, Zhenjiang City, Jiangsu Province Patentee before: CSSC MARINE POWER Co.,Ltd. |