CN203863415U - Rotating lever-type positioning device applied to end face rough milling process of dry cylinder liner machine body - Google Patents
Rotating lever-type positioning device applied to end face rough milling process of dry cylinder liner machine body Download PDFInfo
- Publication number
- CN203863415U CN203863415U CN201420309086.1U CN201420309086U CN203863415U CN 203863415 U CN203863415 U CN 203863415U CN 201420309086 U CN201420309086 U CN 201420309086U CN 203863415 U CN203863415 U CN 203863415U
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- China
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- rotating lever
- positioning device
- machine body
- milling process
- face
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Abstract
The utility model relates to a rotating lever-type positioning device applied to the end face rough milling process of a dry cylinder liner machine body. The positioning device comprises a fixture bottom plate. A sizing block is fixedly arranged on the fixture bottom plate. A support is arranged on the sizing block. The support is connected with a rotating lever through a rotating pin. One end, parallel to and above the sizing block, of the rotating lever is provided with an adjustable support rod through a lock nut. The adjustable support rod is perpendicular to the rotating lever. The other end of the rotating lever is provided with a positioning roller through another rotating pin. The positioning roller is arranged on the fixture bottom plate. According to the rotating lever-type positioning device, the end face rough milling process of the dry cylinder liner machine body is optimized, the positioning method and the positioning device of the special fixture applied to the end face rough milling process is improved, correct positioning is achieved, the even thickness of a cylinder sleeve wall machined through the later cylinder sleeve boring process is guaranteed, the machining quality of the machine body is improved, the defective index in the machining process is reduced, and the economical benefits of enterprises are improved.
Description
Technical field
The utility model relates to a kind of positioner, especially a kind ofly relates to the positioner that end face in diesel engine dry cylinder body machining process is rough milled operation special fixture.
Background technology
Diesel-engine body processing arranges operation according to the technological principle of first face metapore, subsequent request with body end face and location, side processing cylinder trepanning, guarantee that cylinder sleeve wall thickness is even, Deviation Control is in accuracy rating.
The location that existing body end face is rough milled operation adopts body both ends of the surface direction lateral surface groove to aim at, milling end face.Because body blank is in cast form process, the combination of water jacket loam core and cylinder barrel main core (both gaps are cast into cylinder sleeve wall thickness) is by under top board core, base plate core, end face core, to body casting sandbox, (casting forms body lateral surface, with tool setting groove) in, the existence of the foozle of core, core assembly error, rigging error, casting process error, the site error that can cause body appearance groove and cylinder sleeve is larger, the wall unevenness that causes follow-up cylinder sleeve boring to form is even, even has the situation that cylinder bore wall boring is worn to occur; The technique that existing body end mill is described is unreasonable, and locate mode is inaccurate.
Summary of the invention
The technical problems to be solved in the utility model is: propose a kind of simple in structure; in body end face rough milling, location is convenient, reliable, accurate, guarantees that the dry cylinder body end face of the crudy of machining cylinder block later process is rough milled rotating lever formula positioner.
The technical scheme that the utility model adopts is: a kind of dry cylinder body end face is rough milled rotating lever formula positioner, comprises clamp bottom board, on described clamp bottom board, is fixedly installed parallels; On described parallels, be provided with support, on support by the connection of rotating lever of shipping and reselling on another market; One end of described rotating lever, the top that is parallel to parallels are provided with Adjustable bracing bar by locking nut; Described Adjustable bracing bar is vertical with rotating lever; The other end of rotating lever is shipped and resell on another market and is provided with positioning roller by another.Described positioning roller is positioned on clamp bottom board.
When the utility model is used, body moves on fixture parallels, touches and turns positioning lever, and on lever, the upper cylinder sleeve inner wall surface in positioning roller top realizes location.The complete body of face milling oppositely moves, and the positioning lever that can fall again, for subjob clamping is once prepared.
The beneficial effects of the utility model are: optimized dry cylinder body end face and rough milled operation, locate mode and the positioner of this operation special fixture have been improved, realize correct location, the cylinder sleeve wall thickness of guaranteeing follow-up cylinder sleeve boring operation processing is even, improve the machining quality of body, reduce the percent defective of processing, the economic benefit of enterprise.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of preferred embodiment of the present utility model;
In figure: 1, clamp bottom board; 2, parallels; 3, support; 4, Adjustable bracing bar; 5, locking nut; 6, rotating lever; 7, ship and resell on another market; 8, positioning roller; 9, another is shipped and resell on another market.
The specific embodiment
With preferred embodiment, the utility model is described in further detail by reference to the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model is only described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figure 1, a kind of dry cylinder body end face is rough milled rotating lever formula positioner, comprises clamp bottom board, on described clamp bottom board, is fixedly installed parallels; On described parallels, be provided with support, on support by the connection of rotating lever of shipping and reselling on another market; One end of described rotating lever, the top that is parallel to parallels are provided with Adjustable bracing bar by locking nut; Described Adjustable bracing bar is vertical with rotating lever; The other end of rotating lever is shipped and resell on another market and is provided with positioning roller by another.Described positioning roller is positioned on clamp bottom board.
The selection of thick benchmark is processed in the boring of dry type body cylinder sleeve, and best to take the liner backs of not processing be location basal plane, thus guarantee cylinder sleeve wall thickness after processing evenly.Because outer wall of cylinder jachet is wrapped in internal body, in addition to be that sand core of water jacket is thick only only have about 4mm to the space between two cylinders, cannot prevent putting location original paper, so formerly, under the technological principle of face metapore, the front operation of boring sleeve port---body end face is rough milled the location basal plane of operation and is used sleeve port inwall black skin instead.Sand core of water jacket in present technical process for casting (cast and form the outer surface of cylinder sleeve) core box, cylinder barrel main core (casting forms the inner surface of cylinder sleeve) core box employing Digit Control Machine Tool are processed, core precision is guaranteed, sand core of water jacket and cylinder sleeve main core are installed on same top board core, positional precision is high, and casting cylinder liner blank wall thickness is even.Using sleeve port inwall black skin as end mill roughing location basal plane, be equivalent to locate with liner backs, selecting of technological datum realized optimization.
The utility model is usingd sleeve port inwall black skin as end mill roughing location basal plane, and the setting element of answering in contrast adopts rotating lever to locate, and concrete mode is:
The location of body on fixture, by 1 free degree of positioning roller positional cylinder trepanning inwall black skin restriction on 3 frees degree of parallels body bottom surface, location (front operation processing) restriction, 2 frees degree of parallels side location body bottom surface side margin system, rotating lever, workpiece is realized location completely.
The process of clamping workpiece is: body moves from right to left on fixture parallels, body left side is encountered rotating lever and is erect position, promotion lever rotates counterclockwise, perk positioning roller, until positioning roller withstands on inboard wall of cylinder liner black skin, Adjustable bracing bar withstands on clamp bottom board, complete the installation location of workpiece.Dismounting during workpiece, drags body and moves right, and body bearing guard touches and turns lever and clockwise rotate, and erects as above figure, for next clamping workpiece is got ready until last.
What in above description, describe is the specific embodiment of the present utility model, various not illustrating is construed as limiting flesh and blood of the present utility model, person of an ordinary skill in the technical field read after description can to before the described specific embodiment make an amendment or be out of shape, and do not deviate from essence and the scope of utility model.
Claims (2)
1. dry cylinder body end face is rough milled a rotating lever formula positioner, it is characterized in that: comprise clamp bottom board, on described clamp bottom board, be fixedly installed parallels; On described parallels, be provided with support, on support by the connection of rotating lever of shipping and reselling on another market; One end of described rotating lever, the top that is parallel to parallels are provided with Adjustable bracing bar by locking nut; Described Adjustable bracing bar is vertical with rotating lever; The other end of rotating lever is shipped and resell on another market and is provided with positioning roller by another.
2. a kind of dry cylinder body end face as claimed in claim 1 is rough milled rotating lever formula positioner, it is characterized in that: described positioning roller is positioned on clamp bottom board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420309086.1U CN203863415U (en) | 2014-06-11 | 2014-06-11 | Rotating lever-type positioning device applied to end face rough milling process of dry cylinder liner machine body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420309086.1U CN203863415U (en) | 2014-06-11 | 2014-06-11 | Rotating lever-type positioning device applied to end face rough milling process of dry cylinder liner machine body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203863415U true CN203863415U (en) | 2014-10-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420309086.1U Expired - Fee Related CN203863415U (en) | 2014-06-11 | 2014-06-11 | Rotating lever-type positioning device applied to end face rough milling process of dry cylinder liner machine body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203863415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117868A (en) * | 2014-06-11 | 2014-10-29 | 常州机电职业技术学院 | Rotary lever type locating device for end face rough milling of engine body with dry cylinder sleeve |
-
2014
- 2014-06-11 CN CN201420309086.1U patent/CN203863415U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117868A (en) * | 2014-06-11 | 2014-10-29 | 常州机电职业技术学院 | Rotary lever type locating device for end face rough milling of engine body with dry cylinder sleeve |
| CN104117868B (en) * | 2014-06-11 | 2017-03-22 | 常州机电职业技术学院 | Rotary lever type locating device for end face rough milling of engine body with dry cylinder sleeve |
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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: 20141008 Termination date: 20180611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |