CN203853815U - End surface machining fixture for porous connecting rod crank - Google Patents
End surface machining fixture for porous connecting rod crank Download PDFInfo
- Publication number
- CN203853815U CN203853815U CN201420309347.XU CN201420309347U CN203853815U CN 203853815 U CN203853815 U CN 203853815U CN 201420309347 U CN201420309347 U CN 201420309347U CN 203853815 U CN203853815 U CN 203853815U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- locating shaft
- location
- face
- rod crank
- 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
Links
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses an end surface machining fixture for a porous connecting rod crank. The end surface machining fixture comprises a fixture body (1) consisting of two positioning plates (1.1) which are crossed perpendicularly, wherein widths of free ends of the positioning plates (1.1) are smaller than those of crossed ends; long holes (1.2) extending in length directions are formed in the positioning plates (1.1); a positioning hole (1.3) is formed in a crossed position of the two positioning plates (1.1); a positioning pin (1.2) is in slide fit in each long hole (1.2); a positioning shaft (3) is in close fit in the positioning hole (1.3), a press plate (6) and a press nut (7) are arranged at the top of the positioning shaft (3), and the bottom of the positioning shaft (3) is screwed at bottom surfaces of the positioning plates (1.1) through a nut. The fixture can ensure the perpendicularity of machined end surfaces to through holes and the normal operation after the porous connecting rod crank is mounted in a machine.
Description
Technical field
The utility model relates to a kind of porous connecting rod crank end face clamp for machining.
Background technology
By a kind of porous connecting rod crank, by two swing arms, formed at present, intersect one end of two swing arms, intersection is provided with the first through hole, the free end of every swing arm is equipped with the second through hole, at present when the end face of the outer end of free-ended second through hole of two swing arms of processing, general bottom surface of take swing arm is datum level, so just there is following problem, cannot guarantee the end face that processes and the perpendicularity of through hole, comprise the perpendicularity with the first through hole and two the second through holes, thereby can normally move in cannot guaranteeing to be provided to machine.
Utility model content
The technical problems to be solved in the utility model is, provides a kind of and can guarantee that the end face processing is provided to the porous connecting rod crank end face clamp for machining that can normally move in machine with perpendicularity, the assurance of through hole.
The technical solution of the utility model is, a kind of porous connecting rod crank end face clamp for machining with following structure is provided, porous connecting rod crank end face clamp for machining, it is characterized in that: comprise the chuck body being formed by two location-plates that intersect vertically, the width of the free end end of described location-plate is less than the end width that intersects end, described location-plate is provided with the slotted hole extending along its length, the intersection of two location-plates is provided with locating hole, in each slotted hole, sliding fit has alignment pin, described alignment pin is positioned at the end face of slotted hole, and head outer diameter is greater than slotted hole, bottom screws the bottom surface at slotted hole through nut, in described locating hole, close-fitting has locating shaft, the top of described locating shaft is provided with pressing plate and clamp nut, the bottom of described locating shaft screws the bottom surface at location-plate through nut.
Adopt after above structure, the utility model compared with prior art, have the following advantages: owing to adding man-hour, the first through hole and two the second through holes are embedded into respectively on corresponding locating shaft and alignment pin, make again the bottom surface of swing arm and the end face of location-plate offset, processing end face, can guarantee that the perpendicularity of the end face that processes and through hole, assurance are provided in machine and can normally move like this; Because alignment pin sliding fit is in slotted hole, be applicable to reaching between two the second through holes of processing and first through hole like this product of distance again, the scope of application is wider, has reduced fixture cost.
As improvement, on described locating shaft, be also provided with step, the bottom surface of this step and the end face of location-plate are affixed, can be by the better axial limiting of locating shaft in the hole of location-plate.
As improvement, the top of described locating shaft is provided with the external screw thread coordinating with clamp nut, and described pressing plate is provided with breach, and the width of described breach is greater than the major diameter of external thread of locating shaft, and clamp nut pressing plate is convenient, and removal efficiency is high.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic top plan view of porous connecting rod crank end face clamp for machining of the present utility model.
Accompanying drawing 2 is the generalized section of porous connecting rod crank end face clamp for machining of the present utility model.
As shown in the figure: 1, chuck body, 1.1, location-plate, 1.2, slotted hole, 1.3, locating hole, 2, alignment pin, 3, locating shaft, 4, pressing plate, 4.1, breach, 5, clamp nut.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As Fig. 1, shown in Fig. 2, porous connecting rod crank end face clamp for machining of the present utility model, comprise the chuck body 1 being formed by two location-plates that intersect vertically 1.1, the width of the free end end of described location-plate 1.1 is less than the end width that intersects end, described location-plate 1.1 is provided with the slotted hole 1.2 extending along its length, the intersection of two location-plates 1.1 is provided with locating hole 1.3, the interior sliding fit of each slotted hole 1.2 has alignment pin 2, described alignment pin 2 is positioned at the end face of slotted hole 1.2, and head outer diameter is greater than slotted hole 1.2, bottom screws the bottom surface at slotted hole 1.2 through nut, the bottom that is alignment pin 2 is external screw thread, and screw with nut, during adjustment, unclamp nut, move left and right again after alignment pin, locking nut again.The interior close-fitting of described locating hole 1.3 has locating shaft 3, and the top of described locating shaft 3 is provided with pressing plate 4 and clamp nut 5, and the bottom of described locating shaft 3 screws the bottom surface at location-plate 1.1 through nut.Owing to adding man-hour, the first through hole and two the second through holes are embedded into respectively on corresponding locating shaft and alignment pin, make again the bottom surface of swing arm and the end face of location-plate offset, process like this end face, can guarantee the end face that processes and through hole perpendicularity, guarantee to be provided in machine and can normally to move; Because alignment pin sliding fit is in slotted hole, be applicable to reaching between two the second through holes of processing and first through hole like this product of distance again, the scope of application is wider, has reduced fixture cost.
On described locating shaft 3, be also provided with step, the end face of the bottom surface of this step and location-plate 1.1 is affixed.
The top of described locating shaft 3 is provided with the external screw thread coordinating with clamp nut 5, and described pressing plate 4 is provided with breach 4.1, and the width of described breach is greater than the major diameter of external thread of locating shaft 3.
The cross section that described alignment pin 2 is positioned at the part of slotted hole 1.2 can also be rectangle, and circumferential so spacing property is good.
The externally threaded both sides of described locating shaft 3 are provided with axial plane.
Described two axial planes are symmetrical along circumference.
Claims (5)
1. a porous connecting rod crank end face clamp for machining, it is characterized in that: comprise the chuck body (1) being formed by two location-plates that intersect vertically (1.1), the width of the free end end of described location-plate (1.1) is less than the end width that intersects end, described location-plate (1.1) is provided with the slotted hole (1.2) extending along its length, the intersection of two location-plates (1.1) is provided with locating hole (1.3), the interior sliding fit of each slotted hole (1.2) has alignment pin (2), described alignment pin (2) is positioned at the end face of slotted hole (1.2), and head outer diameter is greater than slotted hole (1.2), bottom screws the bottom surface in slotted hole (1.2) through nut, the interior close-fitting of described locating hole (1.3) has locating shaft (3), the top of described locating shaft (3) is provided with pressing plate (6) and clamp nut (7), the bottom of described locating shaft (3) screws the bottom surface in location-plate (1.1) through nut.
2. porous connecting rod crank end face clamp for machining according to claim 1, is characterized in that: described locating shaft is also provided with step on (3), and the end face of the bottom surface of this step and location-plate (1.1) is affixed.
3. porous connecting rod crank end face clamp for machining according to claim 1, it is characterized in that: the top of described locating shaft (3) is provided with the external screw thread coordinating with clamp nut (7), described pressing plate (6) is provided with breach, and the width of described breach is greater than the major diameter of external thread of locating shaft (3).
4. porous connecting rod crank end face clamp for machining according to claim 3, is characterized in that: the externally threaded both sides of described locating shaft (3) are provided with axial plane.
5. porous connecting rod crank end face clamp for machining according to claim 4, is characterized in that: described two axial planes are symmetrical along circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420309347.XU CN203853815U (en) | 2014-06-11 | 2014-06-11 | End surface machining fixture for porous connecting rod crank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420309347.XU CN203853815U (en) | 2014-06-11 | 2014-06-11 | End surface machining fixture for porous connecting rod crank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203853815U true CN203853815U (en) | 2014-10-01 |
Family
ID=51603693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420309347.XU Expired - Fee Related CN203853815U (en) | 2014-06-11 | 2014-06-11 | End surface machining fixture for porous connecting rod crank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203853815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941109A (en) * | 2020-06-28 | 2020-11-17 | 北京实验工厂有限责任公司 | Positioning and clamping device for high-precision space vertical hole turning |
-
2014
- 2014-06-11 CN CN201420309347.XU patent/CN203853815U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941109A (en) * | 2020-06-28 | 2020-11-17 | 北京实验工厂有限责任公司 | Positioning and clamping device for high-precision space vertical hole turning |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204248479U (en) | A kind of screw rod alignment jig | |
| CN103386617B (en) | The positioner of cylinder cap and processing cylinder cap | |
| CN202780518U (en) | Hub machining tool | |
| CN204036073U (en) | A kind of Combined fixture fixture | |
| CN203679781U (en) | Turning positioning device for bent pipe flange | |
| CN103273343A (en) | Movable V-shaped block positioning and clamping device | |
| CN202780590U (en) | Fixed device for machining three-way valve body | |
| CN202028951U (en) | Clamping platform | |
| CN203853815U (en) | End surface machining fixture for porous connecting rod crank | |
| CN203664876U (en) | Wire cutting machining device | |
| CN203509653U (en) | Positioning device for boring of middle vessel base | |
| CN204277598U (en) | A kind of cylindrical member inclined hole processing tool | |
| CN203076652U (en) | Device for indexing and drilling machining of outer circle of workpiece on drilling machine | |
| CN203045344U (en) | Turning fixture for inner hole and inner threads of square workpiece | |
| CN202607324U (en) | Centering clamp capable of eliminating blank tolerance | |
| CN105081494A (en) | Clamping positioning method in electrical discharge machining of mold body of hard alloy mold | |
| CN202752901U (en) | Clamping device special for lathe | |
| CN204525238U (en) | A kind of adjustable rhombus pin retention mechanisms for Workpiece fixing | |
| CN202780593U (en) | Fixed device for machining four-way valve body | |
| CN203109251U (en) | General tool rest with variable diameters | |
| CN205183989U (en) | Clamping positioner of spark -erosion machining carbide die die body | |
| CN202607357U (en) | Tooling for processing inner hole in spherical valve body | |
| CN204658013U (en) | A kind of fixture for rotary type workpiece | |
| CN203316757U (en) | Clamping piece position and direction adjusting device for lathe chuck | |
| CN203371282U (en) | Locking device |
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: 20141001 Termination date: 20150611 |
|
| EXPY | Termination of patent right or utility model |