CN202527731U - Special cutter for chamfering front and back sides of connection holes of camshaft flange ends - Google Patents
Special cutter for chamfering front and back sides of connection holes of camshaft flange ends Download PDFInfo
- Publication number
- CN202527731U CN202527731U CN2012201685623U CN201220168562U CN202527731U CN 202527731 U CN202527731 U CN 202527731U CN 2012201685623 U CN2012201685623 U CN 2012201685623U CN 201220168562 U CN201220168562 U CN 201220168562U CN 202527731 U CN202527731 U CN 202527731U
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- handle
- hole
- chamfering
- knife
- control cover
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Abstract
The utility model discloses a special cutter for chamfering front and back sides of connection holes of camshaft flange ends. The special cutter comprises a chamfering blade support shaft, a chamfering blade, a push rod, a cutter handle, a control sleeve, a lateral pin and a control sleeve movement limit mechanism, wherein the control sleeve is sleeved on the cutter handle, a central transverse through groove is arranged in the middle of a large-end shaft of the cutter handle, and a blade transverse through groove is arranged at the end of a small-end shaft of the cutter handle. The chamfering blade is embedded in one side of the blade transverse through groove, and the push rod is in a stepped shaft structure and is sleeved in a longitudinal stepped through hole; the lateral pin passes through the control sleeve, the central transverse through groove of the cutter handle and a large-end shaft of the push rod, and the control sleeve movement limit mechanism is arranged on a connection surface of the cutter handle and the control sleeve. The special cutter is simple and compact in structure, convenient to operate, and low in design and manufacture cost. The device can be used for chamfering front and back sides of connection holes of camshaft flange ends, the problem that cutters cannot be used for chamfering back sides of connection holes of camshaft flange ends in the prior art is solved, and the processing quality and the processing efficiency are improved.
Description
Technical field
The utility model relates to the cut that a kind of two ends are the axial workpiece of flange, and the dedicated tool of a plurality of connecting hole positive and negative end face chamferings belongs to the metal cutting processing technique field on particularly a kind of flange that is used for the cam shaft for diesel engine two ends.
Background technology
Camshaft is one of strength member of diesel engine, and its effect is through transmission device (rocking arm, timing chain, sprocket wheel), presses the open and close of certain hour control valve exactly, and the assurance engine is taken a breath according to certain rules.As shown in Figure 1; Camshaft structure is the major axis that two end flanges, centre are provided with several different cams 20 of start angle; Camshaft first end flanges 10 and second end flanges 30 footpath upwards are uniformly distributed with a plurality of first end flanges connecting holes 101, a plurality of second end flanges connecting hole 301 respectively; The tow sides of a plurality of first end flanges connecting holes 101 and a plurality of second end flanges connecting holes 301 need 1 * 45 ° of chamfering and 1.7 * 30 ° respectively; 1 * 45 ° of positive chamfering of each connecting hole can be used the drill bit processing of special grinding, and 1.7 * 30 ° of chamferings of each connecting hole reverse side can't be used drill bit processing, can only adopt manual grinding processing; Inconvenient operation, working (machining) efficiency is low, crudy does not also reach drawing requirement.
Summary of the invention
The purpose of the utility model is the deficiency that overcomes prior art, and a kind of dedicated tool of camshaft flange end connecting hole positive and negative chamfering is provided, and improves crudy and working (machining) efficiency.
The utility model is achieved through following technical scheme:
A kind of dedicated tool of camshaft flange end connecting hole positive and negative chamfering; Comprise that chamfering blade back shaft, chamfering blade, push rod, handle of a knife, control cover, lateral pin and control cover move position-limit mechanism; Said control cover is enclosed within on the handle of a knife; Said handle of a knife is the multidiameter structure; Be provided with the axial step through hole in the handle of a knife, the big end axle middle part of handle of a knife is provided with the horizontal groove in middle part with the big stomidium quadrature of axial step through hole, and the small end shaft end of handle of a knife is provided with the horizontal groove of blade with the small end hole quadrature of axial step through hole; Chamfering blade is a triangular blade, is inlaid in the side of the horizontal groove of blade, and is hinged through the small end shaft end of chamfering blade back shaft and handle of a knife; Push rod is the multidiameter structure, is sleeved in the axial step through hole; Lateral pin passes control cover, the horizontal groove in middle part of handle of a knife and the big end axle of push rod, and big stomidium one end of axial step through hole is through the holding screw sealing; The mobile position-limit mechanism of control cover is arranged on the joint face of handle of a knife and control cover.
The purpose of the utility model can also further realize through following technical measures.
The dedicated tool of aforesaid camshaft flange end connecting hole positive and negative chamfering; The mobile position-limit mechanism of wherein said control cover comprises along two tapers of the big end axle of handle of a knife periphery axially spaced-apart setting to be located pits, locatees a corresponding control cover radial direction through hole of groove position, is arranged on and controls ball, stage clip and the plug screw that overlaps in the radial direction through hole with taper; Ball is resisted against on the pit of taper location; Stage clip one end is resisted against on the ball; The stage clip other end is resisted against on the plug screw, and said plug screw is fixed on the outer end of control cover radial direction through hole.
The dedicated tool of aforesaid camshaft flange end connecting hole positive and negative chamfering, wherein said axial step through hole is an eccentric through-hole; Said control cover radial direction through hole center line and handle of a knife longitudinal center line intersect vertically; Small end axle one end of said push rod is cut out a small end axial plane, when camshaft end face flange connecting hole front or reverse side chamfering, on one side chamfering blade is resisted against on the small end axial plane.
The utlity model has following beneficial effect:
The utility model is simple in structure, compact, easy to operate, design and low cost of manufacture.The positive surface chamfer that can be used for camshaft flange end connecting hole; Can handle of a knife be passed camshaft flange end connecting hole again; The reverse side chamfering that is used for camshaft flange end connecting hole; Solve prior art and can't use cutter that camshaft flange end reverse side connecting hole is carried out the problem of chamfering, improved crudy and working (machining) efficiency.
Advantage of the utility model and characteristics will illustrate through the non-limitative illustration of following preferred embodiment and explain that these embodiment only provide with reference to accompanying drawing as an example.
Description of drawings
Fig. 1 is the structure chart of camshaft;
Fig. 2 is the structural representation of the utility model;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the amplification B-B cutaway view of Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
Like Fig. 2～shown in Figure 4, comprise that chamfering blade back shaft 1, chamfering blade 2, push rod 3, handle of a knife 4, control cover 5, lateral pin 6 and control cover move position-limit mechanism 7, handle of a knife 4 be the multidiameter structure, control is overlapped 5 and is enclosed within on the big end axle 41 of handle of a knife 4 both matched in clearance.Be provided with axial step through hole 43 in the handle of a knife 4; Big end axle 41 middle parts of handle of a knife 4 are provided with the horizontal groove 44 in middle part with big stomidium 431 quadratures of axial step through hole 43, and small end axle 42 ends of handle of a knife 4 are provided with the horizontal groove 421 of blade with small end hole 432 quadratures of axial step through hole 43.Chamfering blade 2 is a triangular blade, is inlaid in the side of the horizontal groove 421 of blade, and is hinged with little axle head 42 ends of handle of a knife 4 through chamfering blade back shaft 1.Push rod 3 is the multidiameter structure also, is sleeved in the axial step through hole 43 both matched in clearance.For the ease of the installation of chamfering blade 2, ladder hole 43 is an eccentric through-hole.Lateral pin 6 passes control cover 5, the horizontal groove 44 in middle part of handle of a knife 4 and the big end axle 31 of push rod 3, makes control cover 5 can drive push rod 3 and move axially that chamfering blade 2 can change in the horizontal groove 421 of feed sheet.The small end axle 42 of handle of a knife 4 can pass the first end flanges connecting hole 101 or the second end flanges connecting hole 301 of camshaft, and the reverse side of aforementioned apertures is carried out chamfer machining.Big stomidium 431 1 ends of axial step through hole 43 are through holding screw 8 sealings.
The mobile position-limit mechanism 7 of control cover is arranged on the joint face of handle of a knife 4 and control cover 5; Comprise along first taper location pit 411, second taper that the big end axle 41 periphery axially spaced-aparts of handle of a knife 4 are provided with and locate pit 412, overlap radial direction through hole 71, ball 72, stage clip 73 and plug screw 74 that control cover radial direction through hole 71 center lines and handle of a knife 4 longitudinal center lines intersect vertically with the corresponding control of groove position of taper location.Ball 72 is resisted against on the pit of taper location, and stage clip 73 is arranged in the control cover radial direction through hole 71, and stage clip 73 1 ends are resisted against on the ball 72, and the other end is resisted against on the plug screw 74, and plug screw 74 is fixed on the outer end of control cover radial direction through hole 71.
Push rod small end axle 31 1 ends are cut out a small end axial plane 311, the small end axial plane 311 of present embodiment and the central lines of handle of a knife 4.When camshaft end face flange connecting hole front or reverse side chamfering, first limit 21 of chamfering blade 2 is resisted against on the small end axial plane 311.The cutting edge on chamfering blade 2 second limits 22 is used for the positive surface chamfer of camshaft end face flange connecting hole, and the cutting edge on chamfering blade 2 the 3rd limit 23 is used for the reverse side chamfering of camshaft end face flange connecting hole.
The course of work of the utility model is following:
(1) camshaft is installed on the platen, proofreaies and correct, clamp the outer garden of handle of a knife 4 right-hand members with drill chuck.Up carry control cover 5 in ball 72 is resisted against first taper location pit 411, control cover 5 is positioned at chamfering blade 2 can carry out on the position of chamfering.First limit 21 of chamfering blade 2 is resisted against on the small end axial plane 311, and handle of a knife 4 is stretched out with the acute angle that chamfering blade 2 the 3rd limit 23 forms in chamfering blade 2 second limits 22.Start lathe; Machine tool chief axis moves down; Handle of a knife 4 heads are got in the first end flanges connecting hole 101 along camshaft first end flanges 10; Move down machine tool chief axis to appropriate position, and the cutting edge on chamfering blade 2 second limits 22 is accomplished the processing of 1 * 45 ° of the first end flanges connecting hole, 101 positive surface chamfer.
(2) machine tool chief axis shuts down; Up carry control cover 5 in ball 72 is resisted against second taper location pit 412; Control cover 5 drives on the push rod 3 in horizontal groove 44 through lateral pin 6 and moves; First limit 21 of chamfering blade 2 breaks away from small end axial plane 311, and chamfering blade 2 can rotate around chamfering blade back shaft 1 center, and control cover 5 is positioned on the chamfering blade 2 rotating positions.Machine tool chief axis moves down; Handle of a knife 4 is inserted in the processed hole; Handle of a knife 4 heads are got in the first end flanges connecting hole 101 along camshaft first end flanges 10; Chamfering blade 2 is in chamfering blade back shaft 1 center clockwise rotates the horizontal groove 421 of blade of the acute angle commentaries on classics feed handle 4 that forms to second limit 22 and the 3rd limit 23 of chamfering blade 2, and the small end axle 42 and the chamfering blade 2 of handle of a knife 4 pass the first end flanges connecting hole 101 smoothly.
(3) down push away control cover 5 in ball 72 is resisted against first taper location pit 411 again; Push rod 3 moves down; Chamfering blade 2 rotates counterclockwise around chamfering blade back shaft 1 center to first limit 21 of chamfering blade 2 and is resisted against on the small end axial plane 311, and control cover 5 is positioned at chamfering blade 2 can carry out on the position of chamfering.Start lathe, up move machine tool chief axis, the processing that the first end flanges connecting hole, the 101 reverse side port chamferings of the cutting edge completion camshaft on chamfering blade 2 the 3rd limit 23 are 1.7 * 30 ° to appropriate position;
(4) lathe shuts down, the process of repeating step (2), and last telephone-moving bed main shaft makes handle of a knife 4 leave the first end flanges connecting hole 101 of manufactured camshaft first end flanges 10, accomplishes an operation cycle.
Use the same method and can carry out the positive and negative chamfer machining to the second end flanges connecting hole 301 of camshaft second end flanges 30, the utility model can also carry out the positive and negative chamfering to the various flange through holes that have the axial workpiece of end face flange.
Except that the foregoing description, 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 on the protection domain of the utility model requirement.
Claims (5)
1. the dedicated tool of a camshaft flange end connecting hole positive and negative chamfering; It is characterized in that; Comprise that chamfering blade back shaft, chamfering blade, push rod, handle of a knife, control cover, lateral pin and control cover move position-limit mechanism; Said control cover is enclosed within on the handle of a knife, and said handle of a knife is the multidiameter structure, is provided with the axial step through hole in the handle of a knife; The big end axle middle part of handle of a knife is provided with the horizontal groove in middle part with the big stomidium quadrature of axial step through hole, and the small end shaft end of handle of a knife is provided with the horizontal groove of blade with the small end hole quadrature of axial step through hole; Chamfering blade is a triangular blade, is inlaid in the side of the horizontal groove of blade, and is hinged through the small end shaft end of chamfering blade back shaft and handle of a knife; Push rod is the multidiameter structure, is sleeved in the axial step through hole; Lateral pin passes control cover, the horizontal groove in middle part of handle of a knife and the big end axle of push rod, and big stomidium one end of axial step through hole is through the holding screw sealing; The mobile position-limit mechanism of control cover is arranged on the joint face of handle of a knife and control cover.
2. the dedicated tool of camshaft flange end connecting hole positive and negative chamfering according to claim 1; It is characterized in that; The mobile position-limit mechanism of said control cover comprises along two tapers of the big end axle of handle of a knife periphery axially spaced-apart setting to be located pits, locatees a corresponding control cover radial direction through hole of groove position, is arranged on and controls ball, stage clip and the plug screw that overlaps in the radial direction through hole with taper; Ball is resisted against on the pit of taper location; Stage clip one end is resisted against on the ball, and the stage clip other end is resisted against on the plug screw, and said plug screw is fixed on the outer end of control cover radial direction through hole.
3. the dedicated tool of camshaft flange end connecting hole positive and negative chamfering according to claim 1 is characterized in that said axial step through hole is an eccentric through-hole.
4. the dedicated tool of camshaft flange end connecting hole positive and negative chamfering according to claim 2 is characterized in that, said control cover radial direction through hole center line and handle of a knife longitudinal center line intersect vertically.
5. the dedicated tool of camshaft flange end connecting hole positive and negative chamfering according to claim 1; It is characterized in that; Small end axle one end of said push rod is cut out a small end axial plane, when camshaft end face flange connecting hole front or reverse side chamfering, on one side chamfering blade is resisted against on the small end axial plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201685623U CN202527731U (en) | 2012-04-20 | 2012-04-20 | Special cutter for chamfering front and back sides of connection holes of camshaft flange ends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201685623U CN202527731U (en) | 2012-04-20 | 2012-04-20 | Special cutter for chamfering front and back sides of connection holes of camshaft flange ends |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202527731U true CN202527731U (en) | 2012-11-14 |
Family
ID=47128939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201685623U Withdrawn - After Issue CN202527731U (en) | 2012-04-20 | 2012-04-20 | Special cutter for chamfering front and back sides of connection holes of camshaft flange ends |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202527731U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642033A (en) * | 2012-04-20 | 2012-08-22 | 镇江中船设备有限公司 | Special cutter for chamfering front and back sides of connecting hole at flange end of camshaft |
| CN111438379A (en) * | 2020-05-18 | 2020-07-24 | 襄阳顺裕铸造有限公司 | Double-end chamfer sword |
-
2012
- 2012-04-20 CN CN2012201685623U patent/CN202527731U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642033A (en) * | 2012-04-20 | 2012-08-22 | 镇江中船设备有限公司 | Special cutter for chamfering front and back sides of connecting hole at flange end of camshaft |
| CN111438379A (en) * | 2020-05-18 | 2020-07-24 | 襄阳顺裕铸造有限公司 | Double-end chamfer sword |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Cssc Marine Power Co., Ltd. Assignor: Zhenjiang Zhongchuan Equipment Co., Ltd. Contract record no.: 2014320000248 Denomination of utility model: Special tool for chamfers on front and back sides of connecting holes at flange ends of camshaft Granted publication date: 20121114 License type: Exclusive License Record date: 20140325 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: CSSC MARINE POWER CO., LTD. Free format text: FORMER NAME: ZHENJIANG CME CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Zhenjiang City, Jiangsu Province, the Yangtze River Road 212002 Runzhou District No. 402 Patentee after: Cssc Marine Power Co., Ltd. Address before: Zhenjiang City, Jiangsu Province, 212311 Kwun Tong Bridge Runzhou District Road No. 250 Patentee before: Zhenjiang Zhongchuan Equipment Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20121114 Effective date of abandoning: 20141217 |
|
| RGAV | Abandon patent right to avoid regrant |