CN206825009U - Process the fixture of crank-pin axis hole - Google Patents
Process the fixture of crank-pin axis hole Download PDFInfo
- Publication number
- CN206825009U CN206825009U CN201720266529.7U CN201720266529U CN206825009U CN 206825009 U CN206825009 U CN 206825009U CN 201720266529 U CN201720266529 U CN 201720266529U CN 206825009 U CN206825009 U CN 206825009U
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- CN
- China
- Prior art keywords
- crank
- actuator
- fixture
- axis hole
- pedestal
- 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
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model proposes a kind of fixture for processing crank-pin axis hole, including pedestal, the axial grip component that can clamp crank vertically is provided with pedestal, and can radially clamp the radial clamping component of crank；It is additionally provided with the adjustment keeper that can be moved along a straight line on pedestal, the move along a straight line one end in direction of adjustment keeper includes two supporting parts that can be crimped with crank boss plane, and two supporting parts correspond respectively to the both sides setting of counterweight axis radially；Adjustment keeper is connected with the first actuator that adjustment part can be driven to move along a straight line, and the clutch end of the first actuator is connected with adjustment keeper, and the first actuator is fixedly installed on pedestal.The utility model can improve the positioning precision and location efficiency to crank.
Description
Technical field
The utility model belongs to mechanical engineering field, and in particular to technical field of engines, more particularly to a kind of processing are bent
The fixture of handle pin shaft hole.
Background technology
Crank is the main movement part that engine realizes working cycles and energy conversion, and it is relied in power stroke
The rotator inertia of crank and flywheel, piston up-down is driven by connecting rod.As depicted in figs. 1 and 2, crank mainly includes counterweight
Part 7 and crank axle 8, counterweight 7 is usually discoid, and counterweight 7 and crank axle 8 are coaxially disposed and integration connection, counterweight 7
The one end being connected with crank axle 8 is connecting end surface 71, and the other end of counterweight 7 is formed with counterweight boss 72, and counterweight 7 is vertically
Pin shaft hole 73 is offered, the position of pin shaft hole 73 for bias and is located at the side of counterweight boss 72, and counterweight boss 72 is close to pin shaft hole
73 sidepiece has been axially formed boss plane 721.
The position of crank is adjusted during the processing and manufacturing to crank, it is necessary on fixture and fixed, so that
It is corresponding exactly with cutter at the processing of pin shaft hole, and then process the pin shaft hole for meeting required precision.
The existing regulative mode to crank is mostly manual adjustment, i.e. manually rotating crank, until the processing of pin shaft hole
Position is corresponding with cutter.However, this kind of mode is difficult to ensure that the Working position of pin shaft hole is corresponding exactly with cutter, and then influence
The positional precision of pin shaft hole.In addition, this kind of mode wastes time and energy, the processing efficiency of crank is have impact on this.
The content of the invention
The utility model is directed to the existing positioning method positioning precision to crank technical problem that is low, and wasting time and energy,
It is proposed a kind of fixture that can be improved to the positioning precision of crank and the processing crank-pin axis hole of location efficiency.
In order to achieve the above object, the technical solution adopted in the utility model is：
A kind of fixture for processing crank-pin axis hole, including pedestal, the axle that can clamp crank vertically is provided with pedestal
To clamp assembly, and it can radially clamp the radial clamping component of crank；The tune that can be moved along a straight line is additionally provided with pedestal
Whole keeper, the move along a straight line one end in direction of adjustment keeper include two supporting parts that can be crimped with crank boss plane,
Two supporting parts correspond respectively to the both sides of counterweight axis radially and set；Adjustment keeper, which is connected with, can drive adjustment part edge
First actuator of linear motion, the clutch end of the first actuator are connected with adjustment keeper, and the first actuator is fixed and set
It is placed on pedestal.
Preferably, supporting part is that cylinder, prism or spheroid are one kind of.
Preferably, adjustment keeper is U-shaped frame or rectangular frame.
Preferably, radial clamping component includes the first radial clamping part and the second radial clamping part, the first radial clamping
Part and the second radial clamping part are arranged side by side in the horizontal direction.
Preferably, the first radial clamping part and the second radial clamping part are V-block.
Preferably, the first radial clamping part is fixedly connected with pedestal, the second radial clamping part and the first actuator it is dynamic
Power output end connects.
Preferably, it is connected with elastic component, elastic component edge between the clutch end and adjustment keeper of the first actuator
Keeper linear movement direction is adjusted to set.
Preferably, axial grip component includes the first axial clamping element, the second axial grip part, and first can be driven
Axial grip part and the second actuator of the second axial grip part vertically relative motion, the second actuator are fixedly installed on
On pedestal, the first axial clamping element and the second axial grip part are vertically set.
Preferably, the first axial clamping element is fixedly connected with pedestal, the second axial grip part and the second actuator it is dynamic
Power output end connects.
Preferably, the second actuator is corner oil cylinder or swing clamp cylinder.
Compared with prior art, it is the advantages of the utility model with good effect：
The fixture of the utility model processing crank-pin axis hole is realized by setting adjustment keeper and the first actuator
To the accurate adjustment of crank position, so that crank-pin axis hole and the accurate centering of process tool, and then effectively increase to crank
Positioning precision；Further, since driving adjustment keeper to realize the positioning to crank by the first actuator, instead of existing
Pure manual mode, and then effectively increase the location efficiency to crank；In summary, it is bent by application the utility model processing
The fixture of handle pin shaft hole, positioning precision and location efficiency to crank can be effectively improved, and then improve the processing of crank
Efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of crank；
Fig. 2 is the structural representation of crank axle and counterweight connecting end surface；
Fig. 3 is the fixture dimensional structure diagram that the utility model processes crank-pin axis hole；
Fig. 4 is Fig. 3 front view；
Fig. 5 is Fig. 3 top view；
Above in each figure：1st, pedestal；2nd, axial grip component；21st, the first axial clamping element；22nd, the second axial grip part；
23rd, the second actuator；3rd, radial clamping component；31st, the first radial clamping part；32nd, the second radial clamping part；4th, adjustment positioning
Part；41st, supporting part；5th, the first actuator；6th, elastic component；7th, counterweight；71st, connecting end surface；72nd, counterweight boss；721st, boss
Plane；73rd, pin shaft hole；8th, crank axle.
Embodiment
Below, the utility model is specifically described by exemplary embodiment.It should be appreciated, however, that do not having
In the case of being further discussed below, element, structure and features in an embodiment can also be advantageously incorporated into other implementations
In mode.
, it is necessary to explanation in description of the present utility model, term " interior ", " outer ", " on ", " under ", etc. instruction side
Position or position relationship are the position relationship shown in based on accompanying drawing 4, are for only for ease of description the utility model and are described with simplified, and
It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore
It is not intended that to limitation of the present utility model.In addition, term " first ", " second " are only used for describing purpose, without being understood that
To indicate or implying relative importance.
As shown in Figures 3 to 5, a kind of fixture for processing crank-pin axis hole, including pedestal 1, being provided with pedestal 1 can edge
The axial grip component 2 of axial grip crank, and the radial clamping component 3 of crank can be radially clamped, pass through axial grip
Component 2 and radial clamping component 3 limit the axial freedom and the radial direction free degree of crank respectively, and then ensure that crank-pin axis hole
Process reliability；
Further as shown in Figures 3 to 5, the adjustment keeper 4 that can be moved along a straight line is additionally provided with pedestal 1, adjustment is fixed
Part 4 the move along a straight line one end in direction in position includes two supporting parts 41 that can be crimped with crank boss plane, two supporting parts 41
Correspond respectively to the both sides of counterweight axis radially to set, with this when needing to position crank, first contact crank boss and put down
The supporting part 41 in face applies moment of torsion by crank boss plane to counterweight, to force counterweight boss towards another side of supporting part 41
To rotation, when two supporting parts 41 crimp with crank boss plane, two supporting parts 41 pass through crank boss plane respectively
Identical, the in opposite direction moment of torsion of size is applied to counterweight boss, so as to be maintained at the position specified constant for counterweight boss, and then
Make the face cutter in position to be processed of pin shaft hole；
Further as shown in Figures 3 to 5, adjustment keeper 4 is connected with first that adjustment part can be driven to move along a straight line and driven
Moving part 5, the clutch end of the first actuator 5 are connected with adjustment keeper 4, and the first actuator 5 is fixedly installed on pedestal 1.
For the structure of above-mentioned supporting part 41, Ke Yiwei：Supporting part 41 is cylinder or prism, now, supporting part 41
The way of contact with crank boss plane contacts for face.
For the structure of above-mentioned supporting part 41, can also be：Supporting part 41 is spheroid, and now, supporting part 41 and crank are convex
The way of contact of platform plane contacts for point.
As shown in Fig. 3 to 5, the structure of above-mentioned adjustment keeper 4 can be U-shaped, and now, supporting part 41 is adjustment keeper
The end of 4 openings.
In addition, the structure of above-mentioned adjustment keeper 4 can also be rectangular frame.
Preferably, the first actuator 5 can be that cylinder, hydraulic cylinder or linear electric motors are one kind of.
Further, elastic component 6 is connected between the clutch end of the first actuator 5 and adjustment keeper 4, i.e., first drives
The clutch end of moving part 5 is connected by elastic component 6 with adjustment keeper 4, and elastic component 6 is along adjustment keeper 4 side of linear motion
To setting.On the one hand the utility model realizes adjustment keeper 4 and the flexibility of crank is positioned by setting elastic component 6, and then
It ensure that the stability of stress in crank position fixing process；On the other hand, avoid during being clamped to crank cross positioning and it is right
Crank causes to damage.
Preferably, elastic component 6 can be spring or rubber ring.
Further, adjustment keeper 4 is connected with guide, adjustment keeper 4 is kept straight line fortune to adjust keeper 4
Dynamic, linear movement direction of the guide along adjustment keeper 4 is set, and guide is fixedly connected with pedestal 1.
Preferably, guide can be guide rod, and adjustment keeper 4 direction that moves along a straight line offers through hole, guide sleeve
It is connected in the through hole of adjustment keeper 4.
In addition, guide can also be grooved rail, adjustment keeper 4 is slidably connected with guide.
By taking the structure shown in Fig. 3 to Fig. 5 as an example, if the linear movement direction of adjustment keeper 4 is horizontal direction (i.e. Fig. 4
Shown horizontal direction), the structure of the utility model radial clamping component 3 can be：
As shown in Figures 3 to 5, radial clamping component 3 includes the first radial clamping part 31 and the second radial clamping part 32, the
(horizontal direction i.e. shown in Fig. 4) is arranged side by side in the horizontal direction for one radial clamping part 31 and the second radial clamping part 32, with reality
Now to the radial clamping of crank.
Preferably, as shown in figure 5, the first radial clamping part 31 and the second radial clamping part 32 are V-block, with this right
While crank axial grip, the radial positioning to crank is realized.
Further as shown in figure 4, radial clamping component 3 is positioned at the lower section of adjustment keeper 4, it is preferred that radial clamping group
Part 3 is set corresponding to crank axle.
Further as shown in Figures 3 to 5, the first radial clamping part 31 is fixedly connected with pedestal 1, the second radial clamping part 32
It is connected with the clutch end of the first actuator 5, the second radial clamping part 32 is shared the first driving with adjustment keeper 4 with this
Part 5, and positioning and the radial clamping to crank can be realized simultaneously by the power output of the first actuator 5, and then simplify
Structure, cost is reduced, and improve operating efficiency；Based on above-mentioned, the radial direction folder of the utility model adjustment keeper 4 and second
Tightly the position relationship between part 32 can be：
A, adjust and be fixedly connected between keeper 4 and the second radial clamping part 32, only need rationally to set adjustment fixed during design
The size of the position radial clamping part 32 of part 4 and second in the horizontal direction, so that adjustment keeper 4 and second radial clamping part 32 is simultaneously
Contacted with crank, and then realize the positioning to crank and radial clamping simultaneously, while avoided because being positioned such that song to the mistake of crank
Handle sustains damage.
B, when being connected with elastic component 6 between the clutch end and adjustment keeper 4 of the first actuator 5, adjustment positioning
Part 4 is slidably connected with pedestal 1, and the second radial clamping part 32 is slidably connected with pedestal 1, the second radial clamping part 32 and the first driving
The clutch end of part 5 is fixedly connected, in use, on the one hand the power of the first actuator 5 output is driven by elastic component 6 and adjusted
Keeper 4 moves, and first with crank boss plane contact, to be positioned to crank；On the other hand, clamping element fortune is directly driven
It is dynamic, and crimped after crank is had good positioning with crank, to carry out radial clamping to crank.The above-mentioned setting of the utility model acts on
In, on the one hand ensure that crank positioning and clamping process in the stability of stress and structure, on the other hand, improve setting for fixture
Meter and operating efficiency.
By taking the structure shown in Fig. 3 to Fig. 5 as an example, the structure of the utility model radial clamping component 3 can be：
Axial grip component 2 includes the first axial clamping element 21, the second axial grip part 22, and can drive first axially
Second actuator 23 of the vertically relative motion of axial grip part 22 of clamping element 21 and second, the second actuator 23 are fixed and set
It is placed on pedestal, the first axial axial grip part 22 of clamping element 21 and second is vertically (vertical direction i.e. shown in Fig. 4)
Set, to realize the axial grip to crank.
Further, the first axial clamping element 21 is fixedly connected in pedestal 1, the second axial grip part 22 and the second actuator 23
Clutch end connection；Preferably, the second actuator 23 is corner oil cylinder or swing clamp cylinder, during axial grip, the second driving
The the second axial grip part 22 of driving of part 23 turns to the opening position of the axial clamping element 21 of face first, and the second actuator 23 continues to transport
OK, to drive the second axial grip part 22 to move along a straight line towards the first axial clamping element 21, and then complete to press from both sides the axial direction of crank
Tightly；When unclamping crank, the second actuator 23 drives the second axial grip part 22 along away from the first axial direction straight line of clamping element 21
Motion, so that the second axial grip part 22 and the first axial clamping element 21 are remote, then the second actuator 23 drives second axially
Clamping element 22 rotates, in order to which crank is taken out from fixture.The utility model is corner oil by setting the second actuator 23
Cylinder or swing clamp cylinder, improve the operating efficiency that process is clamped and taken out to crank.
Based on above-mentioned, referring to Fig. 3 to Fig. 5, the fixture of the utility model processing crank-pin axis hole is positioned and pressed from both sides to crank
Tight operation principle is：
First, crank is positioned on pedestal 1, and makes the longitudinal end of crank corresponding with radial clamping component 3, at the same it is bent
The axial end portion of handle is corresponding with axial grip component 2；Then, manually rotary crank, to carry out coarse adjustment to the position of crank；
Then adjustment keeper 4 is driven to move by the first actuator 5, the supporting part 41 for first contacting crank boss plane is convex by crank
Platform plane applies moment of torsion to counterweight, to force counterweight boss to be rotated towards another direction of supporting part 41, when two supporting parts 41
When being crimped with crank boss plane, two supporting parts 41 apply size phase by crank boss plane to counterweight boss respectively
With, moment of torsion in opposite direction, so as to be maintained at the position specified constant for counterweight boss, i.e., crank is accurately positioned；Then lead to
Cross radial clamping component 3 and radial clamping is carried out to crank；Finally, axial grip is carried out to crank by axial grip component 2.
From the foregoing, the fixture of the utility model processing crank-pin axis hole adjusts keeper 4 and first by setting
Actuator 5, the accurate adjustment to crank position is realized, so that crank-pin axis hole and the accurate centering of process tool, Jin Eryou
Effect improves the positioning precision to crank；Further, since adjustment keeper 4 is driven to realize to crank by the first actuator 5
Positioning, instead of existing pure manual mode, and then effectively increase the location efficiency to crank；In summary, by answering
With the fixture of the utility model processing crank-pin axis hole, the positioning precision and location efficiency to crank can be effectively improved, is entered
And improve the processing efficiency of crank.
Claims (10)
1. a kind of fixture for processing crank-pin axis hole, including pedestal (1), crank can be clamped vertically by being provided with pedestal (1)
Axial grip component (2), and can radially clamp the radial clamping component (3) of crank；
It is characterized in that：It is additionally provided with the adjustment keeper (4) that can be moved along a straight line on pedestal (1), adjustment keeper (4) is along straight
One end of the line direction of motion includes two supporting parts (41) that can be crimped with crank boss plane, and two supporting parts (41) are right respectively
It should be set in the both sides of counterweight axis radially；
Adjustment keeper (4) is connected with the first actuator (5) that adjustment part can be driven to move along a straight line, the first actuator (5)
Clutch end is connected with adjustment keeper (4), and the first actuator (5) is fixedly installed on pedestal (1).
2. the fixture of processing crank-pin axis hole according to claim 1, it is characterised in that：Supporting part (41) is cylinder
Body, prism or spheroid are one kind of.
3. the fixture of processing crank-pin axis hole according to claim 1, it is characterised in that：It is U-shaped to adjust keeper (4)
Frame or rectangular frame.
4. the fixture of processing crank-pin axis hole according to claim 1, it is characterised in that：Radial clamping component (3) wraps
Include the first radial clamping part (31) and the second radial clamping part (32), the first radial clamping part (31) and the second radial clamping part
(32) it is arranged side by side in the horizontal direction.
5. the fixture of processing crank-pin axis hole according to claim 4, it is characterised in that：First radial clamping part (31)
And second radial clamping part (32) be V-block.
6. the fixture of processing crank-pin axis hole according to claim 4, it is characterised in that：First radial clamping part (31)
It is fixedly connected with pedestal (1), the second radial clamping part (32) is connected with the clutch end of the first actuator (5).
7. the fixture of the processing crank-pin axis hole according to any one of claim 1-6, it is characterised in that：First driving
Elastic component (6), elastic component (6) edge adjustment keeper (4) are connected between the clutch end and adjustment keeper (4) of part (5)
Linear movement direction is set.
8. the fixture of the processing crank-pin axis hole according to any one of claim 1-6, it is characterised in that：Axial grip
Component (2) includes the first axial clamping element (21), the second axial grip part (22), and can drive the first axial clamping element (21)
And second axial grip part (22) vertically relative motion the second actuator (23), the second actuator (23) fixed setting
In on pedestal, the first axial clamping element (21) and the second axial grip part (22) are vertically set.
9. the fixture of processing crank-pin axis hole according to claim 8, it is characterised in that：First axial clamping element (21)
It is fixedly connected with pedestal (1), the second axial grip part (22) is connected with the clutch end of the second actuator (23).
10. the fixture of processing crank-pin axis hole according to claim 9, it is characterised in that：Second actuator (23) is
Corner oil cylinder or swing clamp cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720266529.7U CN206825009U (en) | 2017-03-17 | 2017-03-17 | Process the fixture of crank-pin axis hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720266529.7U CN206825009U (en) | 2017-03-17 | 2017-03-17 | Process the fixture of crank-pin axis hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206825009U true CN206825009U (en) | 2018-01-02 |
Family
ID=60779381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720266529.7U Expired - Fee Related CN206825009U (en) | 2017-03-17 | 2017-03-17 | Process the fixture of crank-pin axis hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206825009U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041566A (en) * | 2016-08-02 | 2016-10-26 | 陕西柴油机重工有限公司 | Appearance machining device and method for crankshaft counterweight |
| CN112171181A (en) * | 2020-08-04 | 2021-01-05 | 苏州裕华活塞销厂 | Machining process of outboard engine crank |
-
2017
- 2017-03-17 CN CN201720266529.7U patent/CN206825009U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041566A (en) * | 2016-08-02 | 2016-10-26 | 陕西柴油机重工有限公司 | Appearance machining device and method for crankshaft counterweight |
| CN106041566B (en) * | 2016-08-02 | 2019-10-25 | 陕西柴油机重工有限公司 | A kind of crankshaft balance weight sharp processing device and method |
| CN112171181A (en) * | 2020-08-04 | 2021-01-05 | 苏州裕华活塞销厂 | Machining process of outboard engine crank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20190317 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |