CN106181476A - Crankshaft end-face drilling connecting screw hole accessory - Google Patents
Crankshaft end-face drilling connecting screw hole accessory Download PDFInfo
- Publication number
- CN106181476A CN106181476A CN201610671355.2A CN201610671355A CN106181476A CN 106181476 A CN106181476 A CN 106181476A CN 201610671355 A CN201610671355 A CN 201610671355A CN 106181476 A CN106181476 A CN 106181476A
- Authority
- CN
- China
- Prior art keywords
- hole
- bushing
- bent axle
- positioning sleeve
- installing hole
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
- B23B49/02—Boring templates or bushings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The open a kind of crankshaft end-face drilling connecting screw hole accessory of the present invention, including bushing plate, the side of described bushing plate is fixed with circumferentially positioned plate, described bushing plate is a cylindrical diskware, at bushing plate middle part machining crankshafts fixing hole, bent axle fixing hole cooperates with crankshaft end journal size, and the position concentric with bent axle fixing hole processes one group of drill bushing installing hole, drill bushing is arranged in described drill bushing installing hole, and drill bushing endoporus coordinates with drill bit；Bushing plate opposite side arranges clamp system installing hole, the locating surface of the locating surface of positioning sleeve and gripping sleeve and crankshaft end journal contact in pinching screw clamping process.Present configuration is simple, manufactures simplicity, uses easy to operate, and service life is long, and machining accuracy is high.
Description
Technical field
The present invention relates to mechanical field, specifically one boring accessory.
Background technology
The end face connecting screw hole status requirement of bent axle is the highest, because this is related to the working condition of electromotor, therefore, as
What ensures that connecting screw hole adds the precision in man-hour is the problem that those skilled in the art have a headache very much；Existing processing accessory is such as
Shown in Figure 10-Figure 12, including bushing plate 4, the side of bushing plate 4 arranges circumferentially positioned plate 1, welding symmetrical above and below on the right side of bushing plate
Two screw bases 11, are drilled with unthreaded hole in the middle of screw base above, and screw base below is drilled with screwed hole, and pinching screw 2 is from above
Screw base unthreaded hole in pass, screw in following screw base screwed hole.The pitch circle size that bushing plate just above requires according to design
And Angular Dimension installs one group of drill bushing.Bushing plate is a cylindrical diskware, processes a bent axle in bushing plate middle part and fixes
Hole K, bent axle fixing hole K cooperate with crankshaft end journal size, and the position concentric with bent axle fixing hole K processes one group of brill
Set installing hole, coordinates in drill bushing installing hole and installs one group of drill bushing, and drill bushing endoporus coordinates with drill bit, fixed for carrying out bit location
Position, has circumferential slot 13 in bushing plate middle part, has axial groove 12 on front side of circumferential slot, welds a circumference fixed on the left of bushing plate
Position plate 1 crankshaft end-face drilling connecting screw hole accessory in the course of processing is circumferentially positioned, by pinching screw, makes crankshaft end-face even
Connect screw boring accessory to fix with crankshaft end axle journal.
First bent axle fixing hole K is loaded at crankshaft end axle journal and pretension during use.Then bent axle is placed on and debugs
Fixture in suitable position clamping, rotate crankshaft end-face drilling connecting screw hole accessory around crankshaft center line and make circumferentially positioned plate
Forward suitable position to, rotate pinching screw 2 and make crankshaft end-face drilling connecting screw hole accessory and crankshaft end axle journal be fixed on one
Rise, start processing.
The crankshaft end-face drilling connecting screw hole accessory of this structure has circumferential slot 13 due to bushing plate middle part, circumference
Having axial groove 12 on front side of groove, during this hatch frame uses, bent axle fixing hole K is easily deformed, and affects crankshaft end-face and connects
Screw boring accessory loads at crankshaft end axle journal, and therefore service life is short；In this hatch frame clamping process, deformation is random
Rule, crankshaft end-face connecting screw hole positional precision after impact processing；Additionally, this kind of clamping structure have employed pinching screw, clamp spiral shell
Nail fixes the cervical region of bent axle by bushing plate, and clamping force acts in the rectilinear direction of pinching screw, is a kind of linear type folder
Tightly, and having cumulative errors, therefore, this structure precision is relatively low.
Summary of the invention
For improving machining accuracy, it is ensured that processing dimension accurate, it is an object of the invention to provide a kind of positioning precision high, adopt
The fixed form compressed with face, deforms less boring accessory, and concrete technical scheme is as follows:
Crankshaft end-face drilling connecting screw hole accessory, including bushing plate, the side of described bushing plate is fixed with circumferentially positioned plate,
Described bushing plate is a cylindrical diskware, at bushing plate middle part machining crankshafts fixing hole, bent axle fixing hole and crankshaft end
Portion's journal size cooperates, and the position concentric with bent axle fixing hole processes one group of drill bushing installing hole, and drill bushing is arranged on described
Drill bushing installing hole in, drill bushing endoporus coordinates with drill bit；Bushing plate opposite side arranges clamp system installing hole, described clamp system
Installing hole be fitted with positioning sleeve, below equipped with gripping sleeve, be drilled with unthreaded hole in the middle of positioning sleeve, be threaded in the middle of gripping sleeve
Hole, passes from the unthreaded hole of positioning sleeve above equipped with spring, pinching screw in the middle of positioning sleeve and gripping sleeve, by middle bullet
Spring, screws in following gripping sleeve screwed hole；Clamp system installing hole intersects with bent axle fixing hole；Equipped with guiding spiral shell before bushing plate
Nail, the axis of guide of guider screw front end coordinates with the locating slot of positioning sleeve and gripping sleeve that to realize positioning sleeve and gripping sleeve movable
During do not rotate；The locating surface of the locating surface of positioning sleeve and gripping sleeve and crankshaft end axle in pinching screw clamping process
Neck contacts.
For ensureing the homogeneity of size, after the pre-allowance of bent axle fixing hole machines, reprocess clamp system installing hole, so
After clamp system installing hole coordinate install a mandrel, then complete machining crankshafts fixing hole, by mandrel take out by drawing
It is processed into positioning sleeve and gripping sleeve, to ensure locating surface and the clamp system installing hole diameter of the locating surface of positioning sleeve, gripping sleeve
Equivalently-sized.
Present configuration is simple, manufactures simplicity, uses easy to operate, and service life is long, and machining accuracy is high.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention；
Fig. 2 is the A-A view of Fig. 1；
Fig. 3 is the B-B view of Fig. 1；
Fig. 4 is the top view of Fig. 1；
Fig. 5 is the D-D view of Fig. 1；
Fig. 6 is the left view of Fig. 1；
Fig. 7 is the X-X view of Fig. 1；
Fig. 8 is the Y-Y view of Fig. 1；
Fig. 9 is the C-C view of Fig. 4；
Figure 10 is the front view of prior art；
Figure 11 is the top view of Figure 10；
Figure 12 is the C-C view of Figure 11.
Detailed description of the invention
Illustrating the present invention below in conjunction with the accompanying drawings, as shown in Fig. 1-Fig. 9, the present invention includes bushing plate 4, described bushing plate
The side of 4 is fixed with circumferentially positioned plate 1, and described bushing plate 4 is a cylindrical diskware, at bushing plate 4 middle part processing song
Axle fixing hole K, bent axle fixing hole K cooperate with crankshaft end journal size, and the position concentric with bent axle fixing hole K processes
One group of drill bushing installing hole, drill bushing 3 is arranged in described drill bushing installing hole, and drill bushing 3 endoporus coordinates with drill bit；Bushing plate 4 another
Side arranges clamp system installing hole, described clamp system installing hole be fitted with positioning sleeve 5, below equipped with gripping sleeve 6, location
Are drilled with unthreaded hole in the middle of set 5, in the middle of gripping sleeve 6, are threaded hole, equipped with spring 9 in the middle of positioning sleeve and gripping sleeve, pinching screw 2 from
The unthreaded hole of positioning sleeve 5 above passes, by middle spring 9, screws in following gripping sleeve screwed hole；Clamp system is installed
Hole is intersected with bent axle fixing hole K；Bushing plate 4 above equipped with guider screw 7, the axis of guide of guider screw 7 front end and positioning sleeve and
The locating slot 8 of gripping sleeve coordinate realize positioning sleeve 5 and gripping sleeve 6 movable during do not rotate；Pinching screw 2 clamps
During the locating surface F of positioning sleeve and the locating surface G of gripping sleeve and crankshaft end journal contact.
For ensureing the homogeneity of size, after the pre-allowance of bent axle fixing hole K machines, reprocess clamp system installing hole,
Then coordinate at clamp system installing hole and a mandrel is installed, then complete machining crankshafts fixing hole K, drawing is pressed in mandrel taking-up and wants
Ask and be processed into positioning sleeve 5 and gripping sleeve 6, to ensure locating surface G and the clamp system installation of the locating surface F of positioning sleeve, gripping sleeve
Hole K diameter is equivalently-sized.
When the present invention uses, first bent axle fixing hole K is loaded at crankshaft end axle journal and pretension.Then bent axle is placed on
Suitable position clamping in the fixture debugged, rotates crankshaft end-face drilling connecting screw hole accessory around crankshaft center line and makes circumference
Location-plate forwards suitable position to, rotates pinching screw and makes positioning sleeve and gripping sleeve approach to centre, the locating surface F of positioning sleeve,
The locating surface G of gripping sleeve is in close contact with crankshaft end axle journal and realizes clamping.
The present invention has abandoned only positioning of prior art by a bent axle fixing hole, and bent axle fixing hole is owing to being subject to
Active force and the external force of clamp system and deform, and then affect the defect of precision, have employed the positioning sleeve of clamp system, gripping sleeve
And bent axle fixing hole positions jointly, and the positioning sleeve of clamp system, gripping sleeve are direct and bent axle neck contacts, reduce accumulation
Error.
Claims (2)
1. crankshaft end-face drilling connecting screw hole accessory, it is characterised in that: include that bushing plate, the side of described bushing plate are fixed with week
To location-plate, described bushing plate is a cylindrical diskware, at bushing plate middle part machining crankshafts fixing hole, bent axle fixing hole
Cooperating with crankshaft end journal size, the position concentric with bent axle fixing hole processes one group of drill bushing installing hole, drill bushing is pacified
Being contained in described drill bushing installing hole, drill bushing endoporus coordinates with drill bit；Bushing plate opposite side arranges clamp system installing hole, described
Clamp system installing hole be fitted with positioning sleeve, below equipped with gripping sleeve, be drilled with unthreaded hole in the middle of positioning sleeve, set in the middle of gripping sleeve
Put screwed hole, pass from the unthreaded hole of positioning sleeve above equipped with spring, pinching screw in the middle of positioning sleeve and gripping sleeve, by
Between spring, screw in following gripping sleeve screwed hole；Clamp system installing hole intersects with bent axle fixing hole；Before bushing plate equipped with
Guider screw, before the axis of guide of guider screw front end coordinates with the locating slot of positioning sleeve and gripping sleeve and realizes positioning sleeve and gripping sleeve
Rear moving process does not rotates；The locating surface of positioning sleeve and the locating surface of gripping sleeve and bent axle in pinching screw clamping process
End journal contact.
Crankshaft end-face drilling connecting screw hole accessory the most according to claim 1, it is characterised in that: the pre-allowance of bent axle fixing hole
After machining, reprocess clamp system installing hole, then coordinate at clamp system installing hole and a mandrel is installed, then complete to add
Work bent axle fixing hole, takes out mandrel and is processed into positioning sleeve and gripping sleeve by drawing, to ensure the locating surface of positioning sleeve, folder
The locating surface of tight set is identical with clamp system installing hole diameter dimension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610671355.2A CN106181476B (en) | 2016-08-16 | 2016-08-16 | Crankshaft end-face drilling connecting screw hole accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610671355.2A CN106181476B (en) | 2016-08-16 | 2016-08-16 | Crankshaft end-face drilling connecting screw hole accessory |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106181476A true CN106181476A (en) | 2016-12-07 |
| CN106181476B CN106181476B (en) | 2018-03-13 |
Family
ID=57522279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610671355.2A Active CN106181476B (en) | 2016-08-16 | 2016-08-16 | Crankshaft end-face drilling connecting screw hole accessory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106181476B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112518384A (en) * | 2020-12-21 | 2021-03-19 | 北京北方车辆集团有限公司 | Special vehicle crank arm positioning hole drilling clamp |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040101375A1 (en) * | 2000-07-18 | 2004-05-27 | Dirk Budde | Device for producing deep-hole borings in workpieces having a convex surface |
| CN101966602A (en) * | 2010-07-30 | 2011-02-09 | 天润曲轴股份有限公司 | Drilling jig device for drilling stepped shaft end hole |
| CN201969925U (en) * | 2011-03-18 | 2011-09-14 | 天津赛瑞机器设备有限公司 | Drilling jig used for machining flanges |
| CN202984748U (en) * | 2013-01-08 | 2013-06-12 | 湘煤立达矿山装备股份有限公司 | Drill jig for machining oil distribution shaft of hydraulic motor |
| CN203197321U (en) * | 2012-11-29 | 2013-09-18 | 南车洛阳机车有限公司 | Drilling jig auxiliary device for crankshaft flange hole of diesel engine |
| CN204381893U (en) * | 2014-11-24 | 2015-06-10 | 重庆长安工业(集团)有限责任公司 | Axle class pin-and-hole repairs fixture |
| CN206047659U (en) * | 2016-08-16 | 2017-03-29 | 辽宁五一八内燃机配件有限公司 | Crankshaft end-face drilling connecting screw hole accessory |
-
2016
- 2016-08-16 CN CN201610671355.2A patent/CN106181476B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040101375A1 (en) * | 2000-07-18 | 2004-05-27 | Dirk Budde | Device for producing deep-hole borings in workpieces having a convex surface |
| CN101966602A (en) * | 2010-07-30 | 2011-02-09 | 天润曲轴股份有限公司 | Drilling jig device for drilling stepped shaft end hole |
| CN201969925U (en) * | 2011-03-18 | 2011-09-14 | 天津赛瑞机器设备有限公司 | Drilling jig used for machining flanges |
| CN203197321U (en) * | 2012-11-29 | 2013-09-18 | 南车洛阳机车有限公司 | Drilling jig auxiliary device for crankshaft flange hole of diesel engine |
| CN202984748U (en) * | 2013-01-08 | 2013-06-12 | 湘煤立达矿山装备股份有限公司 | Drill jig for machining oil distribution shaft of hydraulic motor |
| CN204381893U (en) * | 2014-11-24 | 2015-06-10 | 重庆长安工业(集团)有限责任公司 | Axle class pin-and-hole repairs fixture |
| CN206047659U (en) * | 2016-08-16 | 2017-03-29 | 辽宁五一八内燃机配件有限公司 | Crankshaft end-face drilling connecting screw hole accessory |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112518384A (en) * | 2020-12-21 | 2021-03-19 | 北京北方车辆集团有限公司 | Special vehicle crank arm positioning hole drilling clamp |
| CN112518384B (en) * | 2020-12-21 | 2024-05-14 | 北京北方车辆集团有限公司 | Special type vehicle crank arm positioning hole drilling clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106181476B (en) | 2018-03-13 |
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