CN203636009U - Drill jig for end surface hole of camshaft of engine - Google Patents
Drill jig for end surface hole of camshaft of engine Download PDFInfo
- Publication number
- CN203636009U CN203636009U CN201320729959.XU CN201320729959U CN203636009U CN 203636009 U CN203636009 U CN 203636009U CN 201320729959 U CN201320729959 U CN 201320729959U CN 203636009 U CN203636009 U CN 203636009U
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- CN
- China
- Prior art keywords
- lower top
- plate
- drill jig
- lower core
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a drill jig for an end surface hole of the camshaft of an engine. The drill jig comprises a base, an upright pillar, a drill jig plate and a drill bushing, wherein a positioning plate and a lower core clamper guide sleeve are fixedly arranged on the upright pillar, and arranged between the drill jig plate and the base at intervals in the vertical direction; an upper core clamper is fixedly arranged on the drill jig plate; the lower end of a lower core clamper penetrates through the guide hole of the lower core clamper guide sleeve, and then is inserted into the inner hole of a T-shaped sealing washer; a thread bushing is in threaded connection with the lower core clamper to form a leading screw nut mechanism, and is positioned between the lower core clamper guide sleeve and the T-shaped sealing washer; a notch for allowing the camshaft to pass through is formed in the right front side of the right end of the positioning plate; a positioning adjusting screw of which the axial line extends forwards and backwards and directly facing the notch is further arranged at the right end of the positioning plate; an oil seal is further mounted in the guide hole of the lower core clamper guide sleeve; a strip-shaped groove extending up and down is formed in the side wall of the lower core clamper; a limit screw penetrates through the lower core clamper guide sleeve, and extends into the strip-shaped groove. The drill jig has the characteristics that the structure is simple, the mounting and the adjustment are convenient, and the machining precision is high.
Description
Technical field
The utility model relates to a kind of clamping tool for machine work, is specifically related to a kind of for engine cam end-face hole drill jig.
Background technology
Camshaft is important parts on logical machine, often need on end face, process various holes for filling pressure reducing valve component or as timing points identification hole etc.Existing camshaft end face boring grab configurations, but ubiquity complex structure, install and regulate inconvenient, angle orientation benchmark to be difficult to determine to cause the not high series of problems of machining accuracy.
Utility model content
The purpose of this utility model is to provide a kind of drill jig that is exclusively used in engine cam end-face hole, have simple in structure, feature easy to adjust, machining accuracy is high is installed.
For this reason, a kind of engine cam end-face hole drill jig that the utility model provides, comprise base (1), and be installed in the column (2) on base (1), bushing plate (3) is equipped with in the upper end of described column (2), on described bushing plate (3), be embedded with drill bushing (12), it is characterized in that: also comprise top (4), lower top (5), location-plate (6), lower top fairlead (7), thread bush (8), "T"-shaped seal washer (13) and stop screw (15), described location-plate (6) and lower top fairlead (7) are installed on column (2), and be arranged at interval in the upper and lower between bushing plate (3) and base (1), described top (4) are installed on bushing plate (3), in the circular hole of the lower end inserted base (1) of "T"-shaped seal washer (13) and be fixed on base (1), insert in the endoporus of "T"-shaped seal washer (13) through after the pilot hole of lower top fairlead (7) lower end of described lower top (5), described thread bush (8) is screwed together formation screw-nut body with lower top (5), and thread bush (8) is positioned between lower top fairlead (7) and "T"-shaped seal washer (13), the dead ahead of described location-plate (6) right-hand member is provided with the breach (6a) passing through for camshaft, before and after being also provided with axis, the right-hand member of location-plate (6) extends also the just location adjustment screw (9) to breach (6a),
Described lower top fairlead (7) is sleeved on column (2) by connecting portion (7a), oil sealing (14) is also housed in the pilot hole of lower top fairlead (7), on the sidewall of described lower top (5), have the bar-shaped trough (5a) of downward-extension, described stop screw (15) stretches in bar-shaped trough (5a) through lower top fairlead (7).
Be preferably, it is upper that the connecting portion (7a) of described bushing plate (3), location-plate (6), lower top fairlead (7) is fixed on column (2) by bolt (10) respectively, and "T"-shaped seal washer (13) is fixed on base (1) by bolt (10).Be bolted, dismantle more convenient.
Using method, first rotate thread bush, drive lower top moving down, vacate behind enough spaces, then workpiece is put into fixture, in the upper top locating hole that withstands on workpiece upper surface, the middle part of workpiece is positioned at the breach of location-plate, opposite spin thread bush again, drives in the lower top locating hole that is moved upward to workpiece lower surface, thereby workpiece is clamped in advance; Regulate again location expansion screw, the front end of locating expansion screw is against on the confined planes of camshaft setting, to determine the setting angle of camshaft, finally by thread bush, workpiece is locked again, just can pass drill bushing by drill bit afterwards camshaft end face is holed.Seal washer is set, prevents that the bits end producing in boring procedure from entering between lower top and thread bush, produce clamping stagnation, reduce the service life of part; Stop screw is top under guaranteeing in boring procedure not to rotate; Set up oil sealing, the lubricating oil in lower top fairlead is sealed.
The beneficial effects of the utility model are: have simple in structure, feature easy to adjust, machining accuracy is high is installed.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that the A of Fig. 1 is to partial view.
Fig. 3 is that the B of Fig. 1 is to partial view.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
In conjunction with Fig. 1---shown in Fig. 3, a kind of engine cam end-face hole drill jig, is made up of base 1, column 2, bushing plate 3, upper top 4, lower top 5, location-plate 6, lower top fairlead 7, thread bush 8, location adjustment screw 9, bolt 10, drill bushing 12, " T " seal washer 13, oil sealing 14, stop screw 15 etc.
Column 2 is installed on base 1 by bolt 10, and bushing plate 3 is equipped with in the upper end of column 2, is embedded with drill bushing 12 on bushing plate 3.Upper top 4 with lower top 5 dead in line.Location-plate 6 and lower top fairlead 7 are between bushing plate 3 and base 1, and between the upper and lower every layout, location-plate 6 and lower top fairlead 7 are fixed on column 2 by bolt 10 respectively.On lower top fairlead 7, be provided with pilot hole, upper top 4 are installed on bushing plate 3, in the circular hole of the lower end inserted base 1 of "T"-shaped seal washer 13 and be fixed on base 1.Insert in the endoporus of "T"-shaped seal washer 13 through after the pilot hole of lower top fairlead 7 lower top 5 lower end.Lower top 5 periphery is provided with external screw thread, and thread bush 8 is screwed together formation screw-nut body with lower top 5.Thread bush 8 is between lower top fairlead 7 and "T"-shaped seal washer 13, and the position between lower top fairlead 7 and "T"-shaped seal washer 13 just enough holds thread bush 8, and thread bush 8 can only rotate, and can not move up and down.
The dead ahead of location-plate 6 right-hand members is provided with the breach 6a passing through for camshaft, before and after the right-hand member of location-plate 6 is also provided with axis, extends also the just location adjustment screw 9 to breach 6a.When boring, upper top 4 withstand in the locating hole of workpiece 11 upper surfaces, and the middle part of workpiece 11 is positioned at the breach 6a of location-plate 6, and lower top 5 withstand in the locating hole of workpiece 11 lower surfaces.
Lower top fairlead 7 is sleeved on column 2 by connecting portion 7a, and oil sealing 14 is also housed in the pilot hole of lower top fairlead 7, has the bar-shaped trough 5a of downward-extension on lower top 5 sidewall, and stop screw 15 stretches in bar-shaped trough 5a through lower top fairlead 7.Stop screw 15 guarantees top 5 not rotate down in boring procedure.
Bushing plate 3, location-plate 6 are fixed on column 2 by bolt 10 respectively, and "T"-shaped seal washer 13 is fixed on base 1 by bolt 10, and lower top fairlead 7 is sleeved on column 2 and is locked by bolt 10 by connecting portion 7a.
Claims (2)
1. an engine cam end-face hole drill jig, comprise base (1), and be installed in the column (2) on base (1), bushing plate (3) is equipped with in the upper end of described column (2), on described bushing plate (3), be embedded with drill bushing (12), it is characterized in that: also comprise top (4), lower top (5), location-plate (6), lower top fairlead (7), thread bush (8), "T"-shaped seal washer (13) and stop screw (15), described location-plate (6) and lower top fairlead (7) are installed on column (2), and be arranged at interval in the upper and lower between bushing plate (3) and base (1), described top (4) are installed on bushing plate (3), in the circular hole of the lower end inserted base (1) of "T"-shaped seal washer (13) and be fixed on base (1), insert in the endoporus of "T"-shaped seal washer (13) through after the pilot hole of lower top fairlead (7) lower end of described lower top (5), described thread bush (8) is screwed together formation screw-nut body with lower top (5), and thread bush (8) is positioned between lower top fairlead (7) and "T"-shaped seal washer (13), the dead ahead of described location-plate (6) right-hand member is provided with the breach (6a) passing through for camshaft, before and after being also provided with axis, the right-hand member of location-plate (6) extends also the just location adjustment screw (9) to breach (6a),
Described lower top fairlead (7) is sleeved on column (2) by connecting portion (7a), oil sealing (14) is also housed in the pilot hole of lower top fairlead (7), on the sidewall of described lower top (5), have the bar-shaped trough (5a) of downward-extension, described stop screw (15) stretches in bar-shaped trough (5a) through lower top fairlead (7).
2. according to engine cam end-face hole drill jig claimed in claim 1, it is characterized in that: it is upper that the connecting portion (7a) of described bushing plate (3), location-plate (6), lower top fairlead (7) is fixed on column (2) by bolt (10) respectively, and "T"-shaped seal washer (13) is fixed on base (1) by bolt (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320729959.XU CN203636009U (en) | 2013-11-17 | 2013-11-17 | Drill jig for end surface hole of camshaft of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320729959.XU CN203636009U (en) | 2013-11-17 | 2013-11-17 | Drill jig for end surface hole of camshaft of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203636009U true CN203636009U (en) | 2014-06-11 |
Family
ID=50867289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320729959.XU Expired - Fee Related CN203636009U (en) | 2013-11-17 | 2013-11-17 | Drill jig for end surface hole of camshaft of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203636009U (en) |
-
2013
- 2013-11-17 CN CN201320729959.XU patent/CN203636009U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20140611 Termination date: 20141117 |
|
| EXPY | Termination of patent right or utility model |