CN207629226U - A kind of vehicle bias one-throw crankshaft fixture - Google Patents
A kind of vehicle bias one-throw crankshaft fixture Download PDFInfo
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- CN207629226U CN207629226U CN201721688283.9U CN201721688283U CN207629226U CN 207629226 U CN207629226 U CN 207629226U CN 201721688283 U CN201721688283 U CN 201721688283U CN 207629226 U CN207629226 U CN 207629226U
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- Prior art keywords
- chuck
- fixed disk
- jaw self
- centering chuck
- centering
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 229910052742 iron Inorganic materials 0.000 claims description 14
- 235000000396 iron Nutrition 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
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Abstract
The utility model provides a kind of vehicle bias one-throw crankshaft fixture, including three-jaw self-centering chuck, fixed disk and positioning support, the chuck seam allowance of upward bias is circumferentially on the right side of the fixed disk, it is fixedly connected with three-jaw self-centering chuck bottom by the chuck seam allowance, the central shaft of the chuck seam allowance and the center overlapping of axles of three-jaw self-centering chuck, the positioning supports L-shaped structure, and side is fixedly connected on the upper surface of three-jaw self-centering chuck, it is vertically installed with positioning bolt on the other side, hex-head nut is connected on the positioning bolt.The utility model advantageous effect：It is relatively moved when avoiding fixed disk and three-jaw self-centering chuck from rotating by chuck seam allowance, bent axle to be processed is clamped using three-jaw self-centering chuck Self-centering Action, and the position of bent axle to be processed part to be processed is adjusted by positioning the positioning bolt in support, positioning support fixed crankshaft prevents its moving in rotation.
Description
Technical field
The utility model belongs to jig technical field, more particularly, to a kind of vehicle bias one-throw crankshaft fixture.
Background technology
Reciprocating motion is changed by rotary motion in the machine, is often completed by eccentric stiffener or bent axle, it is eccentric
What workpiece and bent axle generally all machined on lathe.
For eccentric one-throw crankshaft when using lathe process, the most important is to ensure that eccentric precision, and uses at present
Eccentric one-throw crankshaft fixture be easy to make in rotary course to relatively move between lathe headstock, fixture and bent axle to be processed
Phenomenon so that error occurs for the eccentricity for the one-throw crankshaft that vehicle comes out.
Utility model content
In view of this, the utility model is directed to a kind of vehicle bias one-throw crankshaft fixture, to solve the above problems not
Foot place.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of vehicle bias one-throw crankshaft fixture, including three-jaw self-centering chuck, fixed disk and positioning support, the fixed disk
Right side is circumferentially with the chuck seam allowance of upward bias, and three-jaw self-centering chuck bottom, institute are fixedly connected with by the chuck seam allowance
The central shaft of chuck seam allowance and the center overlapping of axles of three-jaw self-centering chuck are stated, the positioning supports L-shaped structure, and side
It is fixedly connected on the upper surface of three-jaw self-centering chuck, positioning bolt is vertically installed on the other side, is connected on the positioning bolt
It is connected to hex-head nut.
Further, it is connected with balance weight iron at the one side edge of the fixed disk far from three-jaw self-centering chuck.
Further, the fixed disk Left-side center is equipped with cylinder shape groove, and outward opening, is surrounded on the fixed disk
Multiple fixed holes are uniformly provided at cylinder shape groove circumferential edge, the cylinder shape groove is connect with lathe headstock, and is passed through
Bolt in fixed hole is fixed, and the middle and upper part of the fixed disk is uniformly provided with multiple three-jaw self-centering chuck connections
Hole, the fixed disk connect three jaw self-centering cards by the first hexagon socket countersunk flat cap head screw in three-jaw self-centering chuck connecting hole
The lower part of disk, the fixed disk is uniformly provided with multiple balance weight iron connecting holes, and the fixed disk passes through in balance weight iron connecting hole
Two hexagon socket countersunk flat cap head screws connect balance weight iron.
Further, the side that the positioning support is connect with three-jaw self-centering chuck passes through hexagonal countersunk head in two thirds
Screw is fixedly connected on the upper surface of three-jaw self-centering chuck.
Compared with the existing technology, vehicle bias one-throw crankshaft fixture described in the utility model has the advantage that：
(1) vehicle bias one-throw crankshaft fixture described in the utility model is straight by the way that eccentric chuck seam allowance is arranged on fixed disk
It connects and is fixedly connected with three-jaw self-centering chuck bottom, by crankshaft installed to be processed when on three-jaw self-centering chuck, directly make to wait for
The point to be processed of machining crankshafts is in eccentric state, while also avoiding fixing when rotated may be used between disk and three-jaw self-centering chuck
The relative movement phenomenon that can occur, bent axle to be processed is clamped using the self-centering action of three-jaw self-centering chuck, and pass through
Positioning bolt in positioning support makes it be made by oneself perpendicular to fixed disk axis and three-jaw to adjust bent axle to be processed part to be processed
Heart chuck axis, meanwhile, prevent its moving in rotation using positioning support fixed crankshaft；The device is installed on lathe headstock simultaneously
After adjusting positioning, eccentric one-throw crankshaft can be produced in enormous quantities, readjusted again without one bent axle to be processed of every installation
The device positions.
(2) balance weight iron is arranged on fixed disk in vehicle bias one-throw crankshaft fixture described in the utility model, avoids bias
Effect, ensure that balance rotating.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing：
Fig. 1 is the vehicle bias one-throw crankshaft fixture right view described in the utility model embodiment；
Fig. 2 is the vehicle bias one-throw crankshaft clamp structure schematic diagram described in the utility model embodiment；
Fig. 3 is the fixation dish structure schematic diagram described in the utility model embodiment；
Fig. 4 is the fixation disk B-B sectional views described in the utility model embodiment；
Fig. 5 is the balance weight iron structural schematic diagram described in the utility model embodiment；
Fig. 6 is the positioning support structure schematic diagram described in the utility model embodiment；
Fig. 7 is that the positioning described in the utility model embodiment supports C-C sectional views.
Reference sign：
1- three-jaw self-centering chucks；2- hex-head nuts；3- positioning bolts；4- third hexagon socket countersunk flat cap head screws；5- is positioned
Support；6- balance weight irons；The first hexagon socket countersunk flat cap head screws of 7-；8- fixes disk；The second hexagon socket countersunk flat cap head screws of 9-；10- songs to be processed
Axis；11- chuck seam allowances.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more this feature.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figures 1 to 7, a kind of vehicle bias one-throw crankshaft fixture, including three-jaw self-centering chuck 1, fixed disk 8 and fixed
Position support 5,8 right side of the fixed disk are circumferentially with the chuck seam allowance 11 of upward bias, are fixed and connected by the chuck seam allowance 11
Meet 1 bottom of three-jaw self-centering chuck, the central shaft of the chuck seam allowance 11 and the center overlapping of axles of three-jaw self-centering chuck 1, institute
The eccentricity when eccentric distance for stating chuck seam allowance 11 is vehicle bent axle 10 to be processed, the positioning support 5 L-shaped knots
Structure, and side is fixedly connected on the upper surface of three-jaw self-centering chuck 1, and positioning bolt 3 is vertically installed on the other side, it is described fixed
It is connected with hex-head nut 2 on the bolt 3 of position.
It is connected with balance weight iron 6 at the one side edge of the fixed disk 8 far from three-jaw self-centering chuck 1, as shown in figure 5, logical
It crosses balance weight iron 6 and carrys out balance rotating, to avoid wobbler action.
As shown in Figure 3 and Figure 4,8 Left-side center of fixed disk is equipped with cylinder shape groove, and outward opening, the fixation
Multiple fixed holes are uniformly provided on disk 8 at cylinder shape groove circumferential edge, the cylinder shape groove connects with lathe headstock
It connects, and is fixed by the bolt in fixed hole, the middle and upper part of the fixed disk 8 is uniformly provided with multiple three jaw self-centerings
Chuck connecting hole, the fixed disk 8 connect three-jaw by the first hexagon socket countersunk flat cap head screw 7 in three-jaw self-centering chuck connecting hole
The lower part of self-centering chuck 1, the fixed disk 8 is uniformly provided with multiple balance weight iron connecting holes, and the fixed disk 8 is connected by balance weight iron
Connect the second hexagon socket countersunk flat cap head screw 9 connection balance weight iron 6 in hole.
As shown in Figure 6 and Figure 7, the side that the positioning support 5 is connect with three-jaw self-centering chuck 1 passes through in two thirds
Hexagonal sunk screw 4 is fixedly connected on the upper surface of three-jaw self-centering chuck 1.
In the present embodiment, the three-jaw self-centering chuck 1 is short cylindrical type three-jaw self-centering chuck.
The course of work of the present embodiment is as follows：
The cylinder shape groove of 8 bottom of fixed disk is connect with lathe headstock, fixed 8 other side of disk and three-jaw self-centering chuck 1
Connection turns fixture to form a complete vehicle list；
Bent axle 10 to be processed is clamped by three-jaw self-centering chuck 1, the positioning spiral shell in positioning support 5 is utilized in clamping process
Bolt 3 adjusts the bent axle 10 to be processed connecting line to be processed for being partly parallel to fixed 1 center of 8 center of disk and three-jaw self-centering chuck
(spacing of two central points is eccentricity), while bent axle 10 to be processed is fixed to prevent its moving in rotation using positioning support 5.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of vehicle bias one-throw crankshaft fixture, it is characterised in that：It is supported including three-jaw self-centering chuck, fixed disk and positioning,
It is circumferentially with the chuck seam allowance of upward bias on the right side of the fixed disk, three jaw self-centering cards are fixedly connected with by the chuck seam allowance
Pan bottom, the central shaft of the chuck seam allowance and the center overlapping of axles of three-jaw self-centering chuck, the positioning support L-shaped knot
Structure, and side is fixedly connected on the upper surface of three-jaw self-centering chuck, and positioning bolt, the positioning are vertically installed on the other side
Hex-head nut is connected on bolt.
2. a kind of vehicle bias one-throw crankshaft fixture according to claim 1, it is characterised in that：The fixed disk is far from three-jaw
It is connected with balance weight iron at the one side edge of self-centering chuck.
3. a kind of vehicle bias one-throw crankshaft fixture according to claim 1, it is characterised in that：The fixed disk Left-side center
Equipped with cylinder shape groove, and outward opening, it is uniformly provided at cylinder shape groove circumferential edge on the fixed disk multiple solid
Determine through-hole, the cylinder shape groove is connect with lathe headstock, and is fixed by the bolt in fixed hole, the fixed disk
Middle and upper part be uniformly provided with multiple three-jaw self-centering chuck connecting holes, the fixed disk passes through three-jaw self-centering chuck connecting hole
The first interior hexagon socket countersunk flat cap head screw connects three-jaw self-centering chuck, and the lower part of the fixed disk is uniformly provided with multiple balance weight irons and connects
Hole is connect, the fixed disk connects balance weight iron by the second hexagon socket countersunk flat cap head screw in balance weight iron connecting hole.
4. a kind of vehicle bias one-throw crankshaft fixture according to claim 1, it is characterised in that：The positioning support and three-jaw
The side of self-centering chuck connection is fixedly connected on the upper table of three-jaw self-centering chuck by two third hexagon socket countersunk flat cap head screws
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721688283.9U CN207629226U (en) | 2017-12-06 | 2017-12-06 | A kind of vehicle bias one-throw crankshaft fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721688283.9U CN207629226U (en) | 2017-12-06 | 2017-12-06 | A kind of vehicle bias one-throw crankshaft fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207629226U true CN207629226U (en) | 2018-07-20 |
Family
ID=62855984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721688283.9U Expired - Fee Related CN207629226U (en) | 2017-12-06 | 2017-12-06 | A kind of vehicle bias one-throw crankshaft fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207629226U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108284236A (en) * | 2017-12-06 | 2018-07-17 | 天津智源机械制造股份有限公司 | Fixture for vehicle bias one-throw crankshaft |
-
2017
- 2017-12-06 CN CN201721688283.9U patent/CN207629226U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108284236A (en) * | 2017-12-06 | 2018-07-17 | 天津智源机械制造股份有限公司 | Fixture for vehicle bias one-throw crankshaft |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180720 |