CN209272998U - A kind of simple positioning fixture of crankshaft milling Woodruff key slots and keyways - Google Patents
A kind of simple positioning fixture of crankshaft milling Woodruff key slots and keyways Download PDFInfo
- Publication number
- CN209272998U CN209272998U CN201920006255.7U CN201920006255U CN209272998U CN 209272998 U CN209272998 U CN 209272998U CN 201920006255 U CN201920006255 U CN 201920006255U CN 209272998 U CN209272998 U CN 209272998U
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- pressing plate
- block
- keyways
- key slots
- woodruff key
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model relates to a kind of simple positioning fixtures of crankshaft milling Woodruff key slots and keyways, that which solve existing positioning fixture positioning accuracies is poor, can not effectively clamp the technical issues of positioning automobile engine crankshaft, it is equipped with clamp body, and clamp body is equipped with an axial vee-block and two groups hold down assembly；Axial vee-block is equipped with axial locating surface；It holds down assembly equipped with vee-block, pressing plate and pressure board fixer, pressing plate can be compressed vee-block by adjusting pressure board fixer.The utility model should can be positioned in crankshaft Woodruff key slots and keyways Milling Process extensively.
Description
Technical field
The utility model relates to a kind of fixtures, more particularly to a kind of simple positioning fixture of crankshaft milling Woodruff key slots and keyways.
Background technique
The crankshaft of automobile engine needs to process Woodruff key slots and keyways or flat key slot, and all due to needing the parts such as assembling gear
There is the requirement such as symmetry, depth of parallelism.Existing clamp system, have it is pneumatic, surge or hand-operated clamping or positioning, be knot there are problem
Some are complicated for structure, and Meteorological is higher, small to batch or trial-production product, and it is simple to seek a kind of structure, and it is reliable just to clamp positioning
The practical new item patent of China of victory, the few fixture of Meteorological, such as application number 201520744428.7, discloses a kind of refrigerator
The positioning fixture of compressor crank shaft centering machine, comprising: pedestal, upright bar, crossbeam, hold-down bolt, compact heap, arc are recessed
Slot, supporting block, " V " type groove, limited block, caging bolt, crossbeam cover in upright bar, and the mode being connected through a screw thread on crossbeam is horizontal
One hold-down bolt is installed, a compact heap is respectively welded in the left and right ends of crossbeam, and left and right two parts Shu not on base upper surface
Directly one supporting block of welding, the upper end of each supporting block are provided with " V " type groove, and on the upper surface of pedestal the left and right of rear end
Two parts do not weld a limited block vertically, and the mode being connected through a screw thread on each limited block installs a limit spiral shell
Bolt.The positioning fixture positioning accuracy is poor, can not effectively clamp the crankshaft of positioning automobile engine.
Summary of the invention
Existing positioning fixture positioning accuracy is poor, can not effectively clamp positioning automobile engine in order to solve for the utility model
The technical issues of crankshaft, provides a kind of positioning accuracy height, the simple positioning fixture of crankshaft milling Woodruff key slots and keyways that can effectively clamp.
The utility model provides a kind of simple positioning fixture of crankshaft milling Woodruff key slots and keyways, is equipped with clamp body, and clamp body is equipped with
One axial vee-block and two groups hold down assembly；Axial vee-block is equipped with axial locating surface；Hold down assembly equipped with vee-block, pressing plate and
Board fixer is pressed, pressing plate can be compressed vee-block by adjusting pressure board fixer.
Preferably, pressure board fixer includes stud, nut and spring, and for spring pocket outside stud, spring is located at pressing plate
Between clamp body, adjusting nut can adjust platen elevation.
Preferably, pressure board fixer is additionally provided with support column, is spherical shape at the top of support column, middle part is hexagon, and pressing plate is
Cuboid, pressing plate middle part are equipped with long stripes through hole, and pressing back-end bottom is equipped with rectangular channel, and it is recessed to be equipped with hemispherical for plane on rectangular channel
Hole；When pressing plate is advanced to spherical at the top of support column, pressing plate coincide with support column makes pressing plate be in compacted position.
Preferably, clamp body is equipped with positioning seat, and the pressing plate one of to hold down assembly is equipped with compression bar, compression bar pass through be equipped with it is with holes
Compression bar seat connect with pressing plate, compression bar is passed through in compression bar bore, positioning seat and compression bar pairing use, realize radial positioning.
Preferably, compression bar bore is through-hole, and through hole back-end is equipped with threaded hole, is installed with plug screw inside threaded hole.
Preferably, there are two plug screw is set.
Preferably, positioning seat is removably equipped with cushion block, and compression bar front end is removably equipped with pressure head.
Preferably, pressure head is made of elastic material.
Preferably, axial vee-block, vee-block, positioning seat, stud and support column are connected through a screw thread connect admittedly with clamp body
It is fixed.
The beneficial effects of the utility model are:
1. the utility model is equipped with axial locating surface on axial vee-block, while being equipped with positioning seat and compression bar, can facilitate
Carry out axially position and circumferentially positioned；
2. the utility model is equipped with stud and support column in pressure board fixer, extruding is effectively supported using lever principle,
Ensure that crankshaft effectively compresses；It is externally provided with spring in stud simultaneously, long stripes through hole is equipped in the middle part of plate, pressing back-end bottom is equipped with square
Shape slot, plane is equipped with hemispherical dimples on rectangular channel, facilitates adjustment pressing plate；
3. the utility model is equipped with screw thread in compression bar block hole rear end, compression bar length, adjustment side are adjusted by the first plug screw
Just flexibly, it can be used for the crankshaft of a variety of different axle journals；Being equipped with the second plug screw simultaneously can effectively fix, and making will not in compression bar work
It loosens.
4. the utility model is removably equipped with cushion block in positioning seat, compression bar front end is removably made equipped with elastic material
Pressure head facilitates adjustment to replace.
Detailed description of the invention
Fig. 1 is the main view schematic diagram of the utility model；
Fig. 2 is the vertical view figure structure schematic representation of the utility model；
Fig. 3 is the left view figure structure schematic representation of the utility model；
Fig. 4 is the schematic diagram of the utility model machining crankshafts state.
Accompanying drawings symbol description:
1. clamp body；2. axial vee-block；21. axial locating surface；3. holding down assembly；31.V shape block；32. pressing plate；33. spiral shell
Column；34. nut；35. support column；36. spring；4. positioning component；41. positioning seat；42. cushion block；43. compression bar seat；44. compression bar；
45. the first plug screw；46. the second plug screw；47. pressure head；5. crankshaft；6. milling cutter.
Specific embodiment
With reference to the accompanying drawings and examples to can the utility model be described further so that the affiliated technology of the utility model
The technical staff in field can be easy to implement the utility model.
Embodiment 1: as shown in Figure 1-3, the utility model is equipped with clamp body 1, clamp body 1 is equipped with axial vee-block 2, pressure
Tight component 3 and positioning component 4；Axial vee-block 2 be equipped with axial locating surface 21, the axial locating surface 21 be mainly used for crankshaft 5 into
Row axially position, axial vee-block 2 is connected through a screw thread to be fixed with clamp body 1.
3 are held down assembly equipped with two groups, including vee-block 31, pressing plate 32, stud 33, nut 34, support column 35, spring 36；V
Shape block 31, stud 33 and support column 35 are connected through a screw thread fixed with clamp body 1；Pressing plate 32 is cuboid, and middle part is equipped with strip
Shape through-hole, rear end bottom are equipped with rectangular channel, and plane is equipped with hemispherical dimples on rectangular channel；36 sets of spring outside stud 33, are pressed
Plate 32 is inserted in stud 33 from long stripes through hole position, and 33 upper end of stud screws in nut 34, and spring 36 is located at pressing plate 32 and clamp body
Between 1, adjusting nut 34 can adjust 32 height of pressing plate, and pressing plate 32 can be moved along stud 33 by long stripes through hole, be supported
It is spherical shape at the top of column 35, middle part is hexagon, for being tightened support column 35 in clamp body 1, in support column 35 and bullet
Under the action of spring 36, nut 34, pressing plate 32, which is in, is advanced to the top of support column 35 with 5 pressed parts sustained height of crankshaft, pressing plate 32
When portion's spherical shape, pressing plate 32 coincide with support column 35 makes pressing plate 32 be in compacted position, the Forward of pressing plate 32 and retrogressing, can unclamp or press
Tight crankshaft 5.
Positioning component 4 divides for two parts: positioning seat 41 and compression bar seat 43, and positioning seat 41 is L shape, is set bottom by screw
There is the positioning seat 41 of counterbore to be screwed into the compression of clamp body 1,41 upper vertical plane of positioning seat is equipped with screw hole, by screw by cushion block 42
It is fixed and clamped, cushion block 42 is corresponding with 5 first connecting rod neck side of crankshaft to be close to, and radial positioning is used for；Compression bar seat 43 is square body,
Side is welded as a whole with one of 32 side of pressing plate, and through-hole, 44 rear portion of compression bar and through-hole are equipped with inside compression bar seat 43
Transition fit, through hole back-end are equipped with threaded hole, are installed with the first plug screw 45 and the second plug screw 46, the first plug screw 45 inside threaded hole
For adjusting extension elongation, the second plug screw 46 makes to loosen in the work of compression bar 44 for fixing；44 front end of compression bar is equipped with spiral shell
Line, rotation set have pressure head 47, and pressure head 47 can be compressed crankshaft 5 and cushion block 42 by there is certain elastic material to be made.
It is hexagon, easy disassembly support column 35 in the middle part of support column 35；Step and symmetrical plane are additionally provided in the middle part of stud 33,
It is dismounting stud 33 and fixed spring 36 that it, which is acted on,.
The course of work of the present apparatus is described below.
As shown in figure 4, being respectively placed in two V shape blocks 31 and axial direction V by 5 both ends of crankshaft and by the trunnion of front end
Among shape block 2, while 5 first trunnion side of crankshaft is close to axial locating surface 21, and first connecting rod neck is close to cushion block 42, pressing plate 32
Plane is equipped with small hemispherical dimples, when pressing plate 32 is advanced to 35 top spherical seat of support column, the two on the rectangular channel of rear portion
It coincide and is in pressure head 32 and compresses connecting rod neck position, while also compressing crankshaft 5, lathe, the rotation milling of milling cutter 6 can be started at this time
Cut Woodruff key slots and keyways.
The above is not intended to limit the utility model only to the preferred embodiment of the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.All claims in the utility model
Limit range in, any modification, equivalent substitution, improvement and etc. done, should be covered by the scope of the present utility model within.
Claims (9)
1. a kind of simple positioning fixture of crankshaft milling Woodruff key slots and keyways is equipped with clamp body, which is characterized in that the clamp body is equipped with
One axial vee-block and two groups hold down assembly；The axial direction vee-block is equipped with axial locating surface；It is described to hold down assembly equipped with V-arrangement
The pressing plate can be compressed the vee-block by adjusting the pressure board fixer by block, pressing plate and pressure board fixer.
2. the simple positioning fixture of crankshaft milling Woodruff key slots and keyways according to claim 1, which is characterized in that the fixed dress of the pressing plate
It sets including stud, nut and spring, for the spring pocket outside the stud, the spring is located at the pressing plate and the fixture
Between body, the platen elevation can be adjusted by adjusting the nut.
3. the simple positioning fixture of crankshaft milling Woodruff key slots and keyways according to claim 1 or 2, which is characterized in that the pressing plate is solid
Determine device and be additionally provided with support column, be spherical shape at the top of the support column, middle part is hexagon, and the pressing plate is cuboid, the pressure
Long stripes through hole is equipped in the middle part of plate, the pressing back-end bottom is equipped with rectangular channel, and it is recessed to be equipped with hemispherical for plane on the rectangular channel
Hole；When the pressing plate is advanced to spherical at the top of the support column, the pressing plate coincide with the support column is in the pressing plate
Compacted position.
4. the simple positioning fixture of crankshaft milling Woodruff key slots and keyways according to claim 3, which is characterized in that the clamp body is equipped with
Positioning seat, the pressing plate one of to hold down assembly are equipped with compression bar, and the compression bar, which passes through, is equipped with compression bar seat with holes and the pressure
Plate connection, the compression bar are passed through in the compression bar bore, and the positioning seat and compression bar pairing use, and realize radial positioning.
5. the simple positioning fixture of crankshaft milling Woodruff key slots and keyways according to claim 4, which is characterized in that the compression bar bore is
Through-hole, the through hole back-end are equipped with screw thread, and the threaded interior is equipped with plug screw.
6. according to the simple positioning fixture of crankshaft milling Woodruff key slots and keyways described in claim 5, which is characterized in that the plug screw is equipped with two
It is a.
7. the simple positioning fixture of crankshaft milling Woodruff key slots and keyways according to claim 4, which is characterized in that the positioning seat is removable
That unloads is equipped with cushion block, and the compression bar front end is removably equipped with pressure head.
8. the simple positioning fixture of crankshaft milling Woodruff key slots and keyways according to claim 7, which is characterized in that the pressure head is elasticity
Material is made.
9. the simple positioning fixture of crankshaft milling Woodruff key slots and keyways according to claim 4, which is characterized in that the axial direction vee-block,
Vee-block, positioning seat, stud and support column are connected through a screw thread to be connected and fixed with the clamp body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920006255.7U CN209272998U (en) | 2019-01-03 | 2019-01-03 | A kind of simple positioning fixture of crankshaft milling Woodruff key slots and keyways |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920006255.7U CN209272998U (en) | 2019-01-03 | 2019-01-03 | A kind of simple positioning fixture of crankshaft milling Woodruff key slots and keyways |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209272998U true CN209272998U (en) | 2019-08-20 |
Family
ID=67608612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920006255.7U Active CN209272998U (en) | 2019-01-03 | 2019-01-03 | A kind of simple positioning fixture of crankshaft milling Woodruff key slots and keyways |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209272998U (en) |
-
2019
- 2019-01-03 CN CN201920006255.7U patent/CN209272998U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Tianrun road Wendeng District of Weihai City, Shandong Province, No. 264400 2-13 Patentee after: Tianrun Industrial Technology Co., Ltd Address before: Wendeng City, Weihai City, Shandong province 264400 Tianrun Road No. 2-13 Patentee before: TIANRUN CRANKSHAFT Co.,Ltd. |
|
| CP03 | Change of name, title or address |