CN203650503U - Flywheel excircle scribing device - Google Patents
Flywheel excircle scribing device Download PDFInfo
- Publication number
- CN203650503U CN203650503U CN201320842465.2U CN201320842465U CN203650503U CN 203650503 U CN203650503 U CN 203650503U CN 201320842465 U CN201320842465 U CN 201320842465U CN 203650503 U CN203650503 U CN 203650503U
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- flywheel
- connecting plate
- swivel nut
- cylindrical
- workbench
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Abstract
The utility model discloses a flywheel excircle scribing device which comprises a workbench, a flywheel positioning mechanism, a flywheel excircle locking mechanism, a bit gauge and a scribing mechanism; 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 bit gauge is fixedly arranged on the upper side of an excircle at the scribing part of the flywheel; the flywheel excircle locking mechanism is arranged on the upper and the lower sides of the scribing part of the flywheel. The flywheel excircle scribing device has the advantages of compact structure, convenience in use, low manufacturing cost and high processing efficiency, no machine tool needs to be used, only manual operation is needed, the processing cost is reduced, and a plurality of scribed lines are uniformly distributed, so that the scribing quality is improved.
Description
Technical field
The utility model relates to a kind of machining of diesel engine flywheel, relates in particular to a kind of flywheel cylindrical and axially carve the special graduating device of each cylinder pistons work upper dead center position line, belongs 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, axially need to carve each cylinder pistons work upper dead center position line at flywheel cylindrical, due to line width 0.5mm, degree of depth 0.5mm, and the central angle of adjacent two only has 0.5 °.Flywheel supports fixing with the rotary table of machine tool, be 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.
Utility model content
In order to overcome above-mentioned deficiency, the utility model provides a kind of flywheel cylindrical graduating device and groove method, does not need to use lathe, just can on flywheel cylindrical, press the even groove of groove calibration of 0.5 °.
The utility model 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 are fixed on flywheel center on workbench through the securing member of positioning sleeve and terminal pad respectively; 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 screw mandrel upper end side of being provided with 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.
The purpose of this utility model 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 multiple 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.
Flywheel cylindrical graduating device compact conformation of the present utility model, easy to use, score quality good, low cost of manufacture, working (machining) efficiency are high.In bit ga(u)ge outer arc, uniform multiple stepped tooths have been realized the calibration of 0.5 ° of flywheel cylindrical groove take flywheel center as axle center.The utility model 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 utility model, by for illustration and explanation the non-limitative illustration by preferred embodiment below, these embodiment, only provide as an example with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
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 utility model is further illustrated.
As shown in Figure 1 to 4, the utility model comprises 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 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 hinged with the locating dowel 211 of positioning sleeve upper end by stationary bushing 21, tightening screw 9 is threaded with terminal pad 22 through upper gasket 8 and positioning sleeve 21, lower trip bolt 10 is threaded through lower gasket 20 and terminal pad 22, flywheel 6 centers are fixed on workbench 1 by upper and lower fastening structure.Also can, with a screw rod from top to bottom successively through upper gasket 8, positioning sleeve 21, terminal pad 22 and lower gasket 20, by the nut that is tightened in screw rod lower end, flywheel 6 centers be fixed on workbench 1.
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 multiple 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 being 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 30 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 and locking connecting rod 32 lower end hook-types clamp and are convenient to groove, and lock hold-down bolt 31 with locking nut 33.
Use groove process of the present utility model as follows:
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, embed positioning sleeve 21 in flywheel central through hole 61 upper ends, 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, the connecting plate 7 of adjusting to level also compacted bolt 31 and locking connecting rod 32 locks.
4) the square handle 511 of use 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), scribing of all vertical lines to flywheel 6 cylindricals completed.
In addition to the implementation, the utility model 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 the utility model requirement.
Claims (6)
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 are fixed on flywheel center on workbench through the securing member of positioning sleeve and terminal pad respectively; 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 screw mandrel upper end side of being provided with 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 multiple 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320842465.2U CN203650503U (en) | 2013-12-20 | 2013-12-20 | Flywheel excircle scribing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320842465.2U CN203650503U (en) | 2013-12-20 | 2013-12-20 | Flywheel excircle scribing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203650503U true CN203650503U (en) | 2014-06-18 |
Family
ID=50916939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320842465.2U Withdrawn - After Issue CN203650503U (en) | 2013-12-20 | 2013-12-20 | Flywheel excircle scribing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203650503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692427A (en) * | 2013-12-20 | 2014-04-02 | 中船动力有限公司 | Flywheel excircle scribing device and scribing method |
-
2013
- 2013-12-20 CN CN201320842465.2U patent/CN203650503U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692427A (en) * | 2013-12-20 | 2014-04-02 | 中船动力有限公司 | Flywheel excircle scribing device and scribing method |
| CN103692427B (en) * | 2013-12-20 | 2015-09-23 | 中船动力有限公司 | Flywheel excircle scribing device and scribing 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: 20140618 Effective date of abandoning: 20150923 |
|
| RGAV | Abandon patent right to avoid regrant |