CN106112605A - A kind of fixture processed for engine cylinder-body end face and crankshaft hole - Google Patents
A kind of fixture processed for engine cylinder-body end face and crankshaft hole Download PDFInfo
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- CN106112605A CN106112605A CN201610735121.XA CN201610735121A CN106112605A CN 106112605 A CN106112605 A CN 106112605A CN 201610735121 A CN201610735121 A CN 201610735121A CN 106112605 A CN106112605 A CN 106112605A
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- Prior art keywords
- locating piece
- support bar
- engine cylinder
- face
- hole
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The present invention provides a kind of fixture processed for engine cylinder-body end face and crankshaft hole, including rod assembly, Anchor plate kit, bracket assembly；Described rod assembly includes base, upper support bar, lower support bar, detent mechanism；Described Anchor plate kit is rectangular blocks；Anchor plate kit has irregularly-shaped hole and pressure point；Support frame as described above assembly includes supporting seat, support column, supporter；Useful technique effect: after using the present invention, it is possible to solving clamping efficiency low, take up room big problem so that the processing of whole cylinder body can complete the processing of whole engine cylinder-body merely with 2 machining centers.
Description
Technical field
The invention belongs to the clamp for machining technical field of engine cylinder-body, particularly to engine cylinder-body end face and crankshaft hole
Processing, a kind of fixture processed for engine cylinder-body end face and crankshaft hole.
Background technology
Cylinder body is as one of the five big core components of automobile engine, and its processing technique is always the weight in engine production
Point and difficult point, in prior art, when each end face and the machining crankshafts hole of milling engine cylinder-body, be usually manually by cylinder body from
Outside clamping, then with 2 circular hole platen by cylinder body compression, then with spanner clockwise by 2 nut screwing clampings to be completely fixed cylinder
, there are problems in body:
1. take time and effort automobile engine is carried out clamping；
2., when compressing and fix outside with the pressing plate cylinder body to automobile engine, cause outside automobile engine cylinder-body
Remaining space is little, and then causes the layout inconvenience that automobile engine carries out the cutter of milling, therefore, finally makes to automobile
During each end face of engine cylinder-body is processed, generally requires multiple stage machining center and just can complete, and need the most right
Automobile engine cylinder-body is fixed, and vacates the side of automobile engine cylinder-body on different directions, in order to complete to add it
Work；
3. using above-mentioned processing mode, cycle length, to take equipment many, as a example by the G60 petrol engine that I takes charge of production, right
Cylinder body carries out milling end face and the processing in machining crankshafts hole, needs 9 machining centers, just can complete.It is clear that this is serious
The capital invested causing enterprise is big, and consumed resource is big, brings white elephant to enterprise, limits processing and the life of electromotor
Product scale.
To this end, if able to for a set of frock of Automobile Motor Design, while reducing the working strength of clamping, increase
The exposed area of engine cylinder-body, so that single machining center can be many to the region of processing and then minimizing machining center
Usage amount, improves the processing capacity in company's unit interval and working (machining) efficiency, reduces equipment cost.
Summary of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of folder processed for engine cylinder-body end face and crankshaft hole
Tool, low to solve clamping efficiency, take up room big problem so that the processing of whole cylinder body is merely with 2 machining centers
Complete the processing of whole engine cylinder-body.And in prior art, the machining center ability structure that the processing needs of cylinder body are more than 8 is complete
Become.Therefore, it is little that the present invention has resource consumption, and utilization rate of equipment and installations is high, alleviates the financial burden that enterprise puts in advance, accelerates to send out
The development of motivation industry.
Concrete structure of the present invention is as follows:
A kind of fixture processed for engine cylinder-body end face and crankshaft hole, including rod assembly, Anchor plate kit, bracing frame group
Part.
Described rod assembly includes base 101, upper support bar 102, lower support bar 103, detent mechanism.Wherein, base 101
It is made up of vertical plate and horizontal plate, L-shaped.
The vertical plate of base 101 is provided with upper support bar 102, lower support bar 103, detent mechanism.Described detent mechanism
For block.The length of upper support bar 102 is between 200 ~ 700mm.The length of lower support bar 103 is between 200 ~ 700mm.Upper
Support bar 102, lower support bar 103 on be provided with nut.
Described Anchor plate kit is rectangular blocks 201.Anchor plate kit has 2 irregularly-shaped holes 202 and 1 pressure point 203.Pressure
Irregularly-shaped hole 202 on board component is made up of two circular holes.Constitute on Anchor plate kit two circular holes of irregularly-shaped hole 202 small one and large one,
And big hole is interconnected with small sircle hole.
Support frame as described above assembly includes supporting seat 301, support column 302, supporter 303.Wherein, supporting seat 301 is step
The block of shape.The top supporting seat 301 has hole and is furnished with support column 302.It is provided with supporter in the end of support column 302
303.The length of support column 302 is not less than 100mm.Support the spacing of end face of bottom surface and the supporter 303 of seat 301 50 ~
Between 200mm.
During use, rod assembly, bracket assembly are placed on the workbench of machining center, will be with upper support bar 102
After taking off with the nut of lower support bar 103, it would be desirable to the engine cylinder-body of processing, Anchor plate kit are sequentially sleeved in upper support bar 102
With on lower support bar 103, fit on nut tightening subsequently, thus the engine cylinder-body needing processing is clipped in rod assembly with
Between Anchor plate kit.The top of bracket assembly is against below the engine cylinder-body needing processing, and supporting from bottom to up needs
Engine cylinder-body to be processed.
Beneficial effect
The fixture that the present invention provides, belongs to the fixture that cylinder body carries out clamping from inside so that processing space is bigger, processes cleverer
Living, clamping is more compact, more firmly.The especially big aperture design of pressing plate, the when of clamping, original needs uses 2 nuts of dismounting
Ability clamping or unloading complete, here by being rotated clockwise or counterclockwise by pressing plate, it is only necessary to dismounting 1 nut just can be complete
Become, substantially increase dismounting efficiency.Owing to carrying out the mode of clamping cylinder body from inside, the demand of machining center is substantially reduced:
Utilizing 2 machining centers can be processed cylinder body, considerably reduce resource consumption, utilization rate of equipment and installations is high, alleviates enterprise
The financial burden that industry puts in advance, accelerates the development of Engine Industry.
Take charge of as a example by G600 petrol engine by me, put into identical manpower, in the case of the time, using the present invention to provide
After fixture combination, it is possible to process some original under the conditions of unmanageable structure, such as: the processing etc. of boring crankshaft hole becomes can
Energy.Engine cylinder-body is obviously improved under adding the more traditional machine condition of the surface area exposed man-hour, and exposed area is unobstructed, energy
Enough use machining center Continuous maching in the case of not dismounting, save time, manpower.
It is to be particularly noted that the pressing plate in the present invention is one of maximum bright spot, market is never crossed.Pressing plate is
From the fixture of external end impacts engine cylinder-body, after pressing plate presses, then by the nut tightening above support bar, get final product stationary engine
Cylinder body.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of rod assembly in the present invention.
Fig. 2 is the front view of center platen assembly of the present invention.
Fig. 3 is the schematic perspective view of bracket assembly in the present invention.
Fig. 4 is the front view of Fig. 1.
Fig. 5 is the side view of Fig. 1.
Fig. 6 is the top view of Fig. 1.
Detailed description of the invention
The construction features of the present invention is described in detail in conjunction with accompanying drawing.
Seeing Fig. 1,2 and 3, a kind of fixture processed for engine cylinder-body end face and crankshaft hole, including rod assembly, pressure
Board component, bracket assembly.
Seeing Fig. 4,5 and 6, described rod assembly includes base 101, upper support bar 102, lower support bar 103, localization machine
Structure.Wherein, base 101 is made up of vertical plate and horizontal plate, L-shaped.The vertical plate of base 101 and horizontal plate are mutually in 90 °.
The vertical plate of base 101 is provided with upper support bar 102, lower support bar 103, detent mechanism.Described detent mechanism
For block.The length of upper support bar 102 is between 200 ~ 700mm.The length of lower support bar 103 is between 200 ~ 700mm.Upper
Support bar 102, lower support bar 103 on be provided with nut.
Seeing Fig. 2, described Anchor plate kit is rectangular blocks 201.Anchor plate kit has 2 irregularly-shaped holes 202 and 1 pressure
Point 203.Irregularly-shaped hole 202 on Anchor plate kit is made up of two circular holes.Constitute two circular holes one of irregularly-shaped hole 202 on Anchor plate kit
Big one little, and big hole is interconnected with small sircle hole, approximation is in Pear-Shaped.Pressure point is a solid nut of hexagonal.
Seeing Fig. 3, support frame as described above assembly includes supporting seat 301, support column 302, supporter 303.Wherein, seat is supported
301 is step-like block.The top supporting seat 301 has hole and is furnished with support column 302.End at support column 302
It is provided with supporter 303.The length of support column 302 is not less than 100mm.Support between the bottom surface of seat 301 and the end face of supporter 303
Away between 50 ~ 200mm.Preferably scheme is: supporting seat 301 and be made up of 2 up-small and down-big cuboids, support column 302 is
Short thread post, supporter 303 is cylinder.
During use, rod assembly, bracket assembly are placed on the workbench of machining center.Will be with upper support bar 102
After taking off with the nut of lower support bar 103, it would be desirable to the engine cylinder-body of processing, Anchor plate kit are sequentially sleeved in upper support bar 102
With on lower support bar 103, fit on nut tightening subsequently, thus the engine cylinder-body needing processing is clipped in rod assembly with
Between Anchor plate kit.The top of bracket assembly is against below the engine cylinder-body needing processing, and supporting from bottom to up needs
Engine cylinder-body to be processed.
Furtherly, detent mechanism include first locating piece the 1041, second locating piece 1042, the 3rd locating piece 1043,
Four locating piece the 1044, the 5th locating pieces 1045.Wherein,
5th locating piece 1045 and the 4th locating piece 1044 are installed in the middle part of the vertical plate of base 101.3rd locating piece
The installation site of 1043 and the mutual level of installation site of the 4th locating piece 1044.
First locating piece the 1041, second locating piece 1042 it is provided with on vertical plate above the 5th locating piece 1045.First
The installation site of locating piece 1041 and the mutual level of installation site of the second locating piece 1042.
It is provided with the 5th locating piece 1045 on vertical plate below the 5th locating piece 1045.
In other words, detent mechanism is the structural member of 3 face 2 pins.Wherein, first locating piece the 1041, second locating piece 1042
Upper surface is facet, and entirety is class cylinder and class round platform composition, and has 3 holes.
3rd locating piece 1043 is made up of cylindrical and round platform, has 4 holes.
4th locating piece the 1044, the 5th locating piece 1045 is the 3rd locating piece 1043 of local.
Furtherly, with the middle separated time of the vertical plate length direction of base 101 as the axis of symmetry, the first locating piece 1041 with
Second locating piece the 1042, the 5th locating piece 1045 and the 4th locating piece 1044 are symmetrical along this axis of symmetry respectively.
3rd locating piece 1043 is respectively positioned on the same of the above-mentioned axis of symmetry with the second locating piece the 1042, the 4th locating piece 1044
Side.
Upper support bar 102, lower support bar 103 are arranged on the middle separated time of vertical plate length direction.
Furtherly, the first locating piece 1041 is made up of cylinder and conical round table two parts.At the first locating piece 1041
In, a cylindrical end face is connected with the circular end face of conical round table.Second locating piece 1042 is by cylinder and cone
Two parts are constituted.In the second locating piece 1042, a cylindrical end face is connected with the circular end face of cone.First is fixed
The position side axial end of block 1041, the side axial end of the second locating piece 1042 are connected with vertical plate respectively.
Opposite side axial end at the first locating piece 1041 is provided with cone boss.
Furtherly, the top of the first locating piece 1041 is all shaved one piece, point one tangent plane of formation.First locating piece
The tangent plane of 1041 and the mutual level in top of the second locating piece 1042.
The conical round table of the first locating piece 1041, the cone of the second locating piece 1042 have 3 holes.
Furtherly, the 5th locating piece the 1045, the 4th locating piece 1044 is all in cylinder.The side of the 5th locating piece 1045
Axial end, the side axial end of the 4th locating piece 1044 are connected with vertical plate respectively.
Opposite side axial end, the opposite side axial end of the 4th locating piece 1044 at the 5th locating piece 1045 are provided with cone
Shape boss.
Furtherly, the left side of the 5th locating piece 1045, the right side of the 4th locating piece 1044 are all shaved one piece, respectively shape
Become a tangent plane.The tangent plane of the 5th locating piece 1045 and the tangent plane of the 4th locating piece 1044 are parallel to each other, and all with base 101
Horizontal plate is vertical.
The cone boss of the 5th locating piece 1045, the cone boss of the 4th locating piece 1044 have 3 holes.
Furtherly, the 3rd locating piece 1043 is in cylinder.The side axial end of the 3rd locating piece 1043 and vertical plate
It is connected.
Opposite side axial end at the 3rd locating piece 1043 is provided with cone.
The cone of the 3rd locating piece 1043 is evenly equipped with 4 holes.
Furtherly, upper support bar 102 is made up of upper support blocks, upper support bar body two parts.Upper support blocks is square
Shape block.The vertical plate phase of one end of upper support blocks and base 101
Connecting, the other end of upper support blocks is connected with one end of upper support bar body.Upper support bar body is furnished with 1 fix
Nut.Preferably scheme is to use 1 long six-sided nut.
Lower support bar 103 is made up of lower support blocks, lower support bar body two parts.Lower support blocks is rectangular block.Lower
One end of bracer body is connected with the vertical plate of base 101, and the other end of lower support blocks is connected with one end of lower support bar body
Connect.Lower support bar body is furnished with the nut of 2 stationary housings.Preferably scheme is to use 2 short six-sided nuts.
When rod assembly is connected with the engine cylinder-body needing processing, by upper support bar 102, lower support bar 103 respectively
Through the engine cylinder-body needing processing.Subsequently, upper support bar 102 end, screw the end fit on of lower support bar 103
Anchor plate kit, screws single the fixing nut being positioned on upper support bar 102, screws 2 fixing nuts on lower support bar 103,
Thus the engine cylinder-body needing processing is clipped between rod assembly and Anchor plate kit, thus stationary housing.
Upper support blocks, lower support blocks are dug respectively porose.
The length of upper support bar 102 is between 200 ~ 700mm.The length of lower support bar 103 is between 200 ~ 700mm.On
Support rod body, upper support bar body are long threaded rod.
Furtherly, pressure point is positioned on the centrage of Anchor plate kit length direction.
2 irregularly-shaped holes 202 are positioned at the both sides of pressure point, and symmetrical relative to the centrage of Anchor plate kit length direction.
The diameter of the big hole constituting irregularly-shaped hole 202 is not less than 40mm, and the diameter of the small sircle hole constituting irregularly-shaped hole 202 is little
In 20mm.
Concrete operation method
When using the present invention that engine cylinder-body end face and crankshaft hole are carried out, it is from upper and lower support by the cylinder holes of engine cylinder-body
Bar passes, and is coordinated with the datum hole on cylinder body by the detent mechanism in rod assembly, is then worn by the macroperforation of pressing plate
Cross nut, be pressed in cylinder body end face, then rotate clockwise pressing plate, forward aperture portion alignment nut to, with slip-off preventing, then tighten
Top nut, then bracing frame is positioned over lower plane, cylinder body is supported, clamping completes, and can be processed；During unloading, first
Bracing frame is removed, then loosens top nut with spanner, then pressing plate is rotated counterclockwise so that macropore alignment nut, remove pressure
Plate, can removal engine cylinder-body.
Furtherly, the horizontal plate of described base is connected with the table top screw of machining center, uses between upper and lower cuboid
Screw connects, and the vertical plate of base is perpendicular to horizontal plate, facilitates connecting locating mechanism and long bolt.
Furtherly, the hole that detent mechanism leaves is all bolt through-hole, is connected with the base plate being disposed vertically by bolt.Dress
During folder cylinder body, detent mechanism coordinates with the datum hole on cylinder body, carrys out positioning cylinder.
Furtherly, described upper support bar is identical with lower support bar structure, is vertically arranged, by the cuboid hollowed out in the middle of band
Form with long threaded rod.Upper support bar is connected with the base being disposed vertically by bolt with lower support bar, hollows out in the middle of cuboid
Shape be used for stepping down and accommodating boring cutter, for machining crankshafts hole.
Furtherly, described pressing plate is to cut out 2 on a cuboid (entirety is similar to calabash by the big aperture of intermediate connection
The hole of shape) composition, cuboid center is pressure point, is made up of a solid nut of hexagon.
Furtherly, bracing frame is used for cylinder body carries out local support location.
Claims (10)
1. the end face for engine cylinder-body and the fixture of crankshaft hole processing, it is characterised in that: include rod assembly, support
Frame assembly；
Described rod assembly includes base (101), upper support bar (102), lower support bar (103), detent mechanism；Wherein, base
(101) it is made up of vertical plate and horizontal plate, L-shaped；
The vertical plate of base (101) is provided with upper support bar (102), lower support bar (103), detent mechanism；Described localization machine
Structure is block；Upper support bar (102), lower support bar (103) on be provided with nut；
Described Anchor plate kit is rectangular blocks (201)；Anchor plate kit has 2 irregularly-shaped holes (202) and 1 pressure point (203)；
Irregularly-shaped hole (202) on Anchor plate kit is made up of two circular holes；Constitute two circular holes one of irregularly-shaped hole (202) on Anchor plate kit big
One is little, and big hole is interconnected with small sircle hole；
Support frame as described above assembly includes supporting seat (301), support column (302), supporter (303)；Wherein, supporting seat (301) is
Step-like block；The top supporting seat (301) has hole and is furnished with support column (302)；End in support column (302)
It is provided with supporter (303)；
During use, rod assembly, bracket assembly are placed on the workbench of machining center；Will with upper support bar (102) and
After the nut of lower support bar (103) takes off, it would be desirable to the engine cylinder-body of processing, Anchor plate kit are sequentially sleeved in upper support bar
(102) and on lower support bar (103), fit on nut tightening subsequently, thus the engine cylinder-body needing processing is clipped in and draws
Between bar assembly and Anchor plate kit；The top of bracket assembly is against below the engine cylinder-body needing processing, from bottom to up
Support the engine cylinder-body needing processing.
A kind of fixture processed for engine cylinder-body end face and crankshaft hole the most according to claim 1, it is characterised in that:
Detent mechanism includes the first locating piece (1041), the second locating piece (1042), the 3rd locating piece (1043), the 4th locating piece
(1044), the 5th locating piece (1045)；Wherein,
5th locating piece (1045) and the 4th locating piece (1044) are installed in the middle part of the vertical plate of base (101)；
The installation site of the 3rd locating piece (1043) and the mutual level of installation site of the 4th locating piece (1044)；
The vertical plate of the 5th locating piece (1045) top is provided with the first locating piece (1041), the second locating piece (1042)；
The installation site of the first locating piece (1041) and the mutual level of installation site of the second locating piece (1042).
A kind of fixture processed for engine cylinder-body end face and crankshaft hole the most according to claim 2, it is characterised in that:
With the middle separated time of the vertical plate length direction of base (101) as the axis of symmetry, the first locating piece (1041) and the second location
Block (1042), the 5th locating piece (1045) and the 4th locating piece (1044) are symmetrical along this axis of symmetry respectively；
3rd locating piece (1043) is respectively positioned on the same of the above-mentioned axis of symmetry with the second locating piece (1042), the 4th locating piece (1044)
Side.
A kind of fixture processed for engine cylinder-body end face and crankshaft hole the most according to claim 2, it is characterised in that:
First locating piece (1041) is made up of cylinder and conical round table two parts；Second locating piece (1042) is by cylinder and circle
Cone two parts are constituted；The side axial end of the first locating piece (1041), the side axial end of the second locating piece (1042)
It is connected with vertical plate respectively；
Opposite side axial end at the first locating piece (1041) is provided with cone boss.
A kind of fixture processed for engine cylinder-body end face and crankshaft hole the most according to claim 4, it is characterised in that:
The top of the first locating piece (1041) is shaved one piece, forms a tangent plane；
3 holes are had on conical round table in the first locating piece (1041), the cone of the second locating piece (1042).
A kind of fixture processed for engine cylinder-body end face and crankshaft hole the most according to claim 2, it is characterised in that:
5th locating piece (1045), the 4th locating piece (1044) are all in cylinder；The side axial end of the 5th locating piece (1045)
Face, the side axial end of the 4th locating piece (1044) are connected with vertical plate respectively；
Opposite side axial end, the opposite side axial end of the 4th locating piece (1044) at the 5th locating piece (1045) are provided with cone
Shape boss.
A kind of fixture processed for engine cylinder-body end face and crankshaft hole the most according to claim 6, it is characterised in that:
The left side of the 5th locating piece (1045), the right side of the 4th locating piece (1044) are all shaved one piece, form one respectively and cut
Face；The tangent plane of the 5th locating piece (1045) and the tangent plane of the 4th locating piece (1044) are parallel to each other, and all with the water of base (101)
Flat board is vertical；
The cone boss of the 5th locating piece (1045), the cone boss of the 4th locating piece (1044) have 3 holes.
A kind of fixture processed for engine cylinder-body end face and crankshaft hole the most according to claim 2, it is characterised in that:
3rd locating piece (1043) is in cylinder；The side axial end of the 3rd locating piece (1043) is connected with vertical plate；
Opposite side axial end at the 3rd locating piece (1043) is provided with cone；
The cone of the 3rd locating piece (1043) is evenly equipped with 4 holes.
A kind of fixture processed for engine cylinder-body end face and crankshaft hole the most according to claim 1, it is characterised in that:
Upper support bar (102) is made up of upper support blocks, upper support bar body two parts；Upper support blocks is rectangular block；Upper support
One end of block is connected with the vertical plate of base (101), and the other end of upper support blocks is connected with one end of upper support bar body
Connect；Upper support bar body is furnished with 1 fixing nut；
Lower support bar (103) is made up of lower support blocks, lower support bar body two parts；Lower support blocks is rectangular block；Lower support
One end of block is connected with the vertical plate of base (101), and the other end of lower support blocks is connected with one end of lower support bar body
Connect；Lower support bar body is furnished with the nut of 2 stationary housings.
A kind of fixture processed for engine cylinder-body end face and crankshaft hole the most according to claim 1, its feature exists
In:
Pressure point is positioned on the centrage of Anchor plate kit length direction；
2 irregularly-shaped holes (202) are positioned at the both sides of pressure point, and symmetrical relative to the centrage of Anchor plate kit length direction；
The diameter of the big hole constituting irregularly-shaped hole (202) is not less than 40mm, and the diameter of the small sircle hole constituting irregularly-shaped hole (202) is little
In 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610735121.XA CN106112605A (en) | 2016-08-29 | 2016-08-29 | A kind of fixture processed for engine cylinder-body end face and crankshaft hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610735121.XA CN106112605A (en) | 2016-08-29 | 2016-08-29 | A kind of fixture processed for engine cylinder-body end face and crankshaft hole |
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|---|---|
| CN106112605A true CN106112605A (en) | 2016-11-16 |
Family
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| CN201610735121.XA Pending CN106112605A (en) | 2016-08-29 | 2016-08-29 | A kind of fixture processed for engine cylinder-body end face and crankshaft hole |
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| CN204524900U (en) * | 2015-03-31 | 2015-08-05 | 襄阳市中康汽车配件有限公司 | A kind of automobile engine cylinder-body fixture |
| CN204590306U (en) * | 2015-03-31 | 2015-08-26 | 上海欧本钢结构有限公司 | The syndeton of open-type component and enclosed type component |
| CN205309868U (en) * | 2016-01-04 | 2016-06-15 | 牧野机床（中国）有限公司 | Automatic frock clamp of cylinder body under automobile engine |
| CN105575272A (en) * | 2016-01-11 | 2016-05-11 | 深圳市创显光电有限公司 | LED (Light-Emitting Diode) display screen assembling component and arc-shaped LED display screen |
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Application publication date: 20161116 |
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| RJ01 | Rejection of invention patent application after publication |