CN207431775U - A kind of positioning of cylinder body and machining benchmark structure - Google Patents
A kind of positioning of cylinder body and machining benchmark structure Download PDFInfo
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- CN207431775U CN207431775U CN201721351501.XU CN201721351501U CN207431775U CN 207431775 U CN207431775 U CN 207431775U CN 201721351501 U CN201721351501 U CN 201721351501U CN 207431775 U CN207431775 U CN 207431775U
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- benchmark
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- cylinder
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Abstract
The utility model discloses a kind of positioning of cylinder body and machining benchmark structures, Z-direction benchmark architectures of the X to benchmark architecture, for the Y-direction benchmark architecture that defines the Y direction benchmark of cylinder body and for defining the Z-direction benchmark of cylinder body including the X-direction benchmark for being used to define cylinder body, the X are respectively formed at least two reference planes to benchmark architecture, Y-direction benchmark architecture and Z-direction benchmark architecture.Compared with prior art, the utility model by simultaneously set X-direction, three directions of Y direction and Z-direction benchmark architecture, so that benchmark influenced be subject to single rough-cast precision it is smaller, the benchmark architecture in each direction is equipped at least two reference planes, complete the function of clamping and positioning, make machining benchmark unified with positioning datum, effectively increase roughing precision, reduce mismachining tolerance.
Description
Technical field
The utility model is related to technical field of engines, the particularly a kind of positioning of cylinder body and machining benchmark structure.
Background technology
Cylinder body is one of engine main parts size, and peripheral bolt hole is mainly used to support, installs engine correlation zero
Component, cylinder body cylinder holes are used for providing stroke for piston, and bolt hole and cylinder holes need to machine.Cylinder body processing is divided into roughing and essence
Processing, when roughing, need to select rough benchmark, can process finishing benchmark after selecting suitable rough benchmark, ensure cylinder
The each mounting surface of body, bolt hole, the position dimension of cylinder holes and precision are correct.
Existing cylinder blank machining benchmark is single, inaccurate, is influenced be subject to cylinder blank casting accuracy big.
Utility model content
The purpose of this utility model is to provide a kind of positioning of cylinder body and machining benchmark structure, to solve prior art middle cylinder
The technical issues of chaeta base machining benchmark is single ensures machining accuracy.
The utility model provides a kind of positioning of cylinder body and machining benchmark structure, the X-axis side including being used to define cylinder body
Z axis to the X of benchmark to benchmark architecture, for the Y-direction benchmark architecture that defines the Y direction benchmark of cylinder body and for defining cylinder body
The Z-direction benchmark architecture of directional reference, the X are respectively formed at least two to benchmark architecture, Y-direction benchmark architecture and Z-direction benchmark architecture
Reference plane.
The positioning of cylinder body as described above and machining benchmark structure, these, it is preferred to, the X includes to benchmark architecture
First reference plane and the second reference plane, on the outer circumference surface of the cylinder sleeve of the first cylinder of cylinder body outwards projection formation face away from it is described
First reference block of the direction extension of first cylinder, it is described that first reference plane is formed at deviating from for first reference block
The end face of first cylinder, outwards projection formation faces away from the last position cylinder on the outer circumference surface of the cylinder sleeve of the last position cylinder of the cylinder body
Direction extension second reference block, second reference plane be formed at second reference block away from the last position cylinder
End face.
The positioning of cylinder body as described above and machining benchmark structure, these, it is preferred to, with the first reference plane phase
The first sand cleaning hole is provided at adjacent cylinder upper end face, first reference plane outer surface opposite with first sand cleaning hole is
A part for the hole wall of first sand cleaning hole；The second sand removal is provided at the cylinder upper end face adjacent with second reference plane
Hole, second reference plane outer surface opposite with second sand cleaning hole are a part for the hole wall of the second sand cleaning hole.
The positioning of cylinder body as described above and machining benchmark structure, these, it is preferred to, first reference plane and second
Reference plane is rectangle vertical plane, and length and width are not less than 25mm.
The positioning of cylinder body as described above and machining benchmark structure, these, it is preferred to, the Y-direction benchmark architecture includes
3rd reference plane, the 4th reference plane and the 5th reference plane, the top plate of the cylinder body are equipped with the 3rd reference block in exhaust side convex
With the 4th reference block, the 3rd reference plane be formed at the 3rd reference block away from the end face of the top plate, the described 4th
Reference plane be formed at the 4th reference block away from the end face of the top plate, the exhaust side of the cylinder body is convexly equipped with the 5th benchmark
Block, the 5th reference plane be formed at the 5th reference block away from the end face of the cylinder body.
The positioning of cylinder body as described above and machining benchmark structure, these, it is preferred to, the 3rd reference plane and the 4th
Reference plane is rectangular planes, and length is not less than 25mm.
The positioning of cylinder body as described above and machining benchmark structure, these, it is preferred to, the Z-direction benchmark architecture includes
6th reference plane and the 7th reference plane, the bottom plate of the cylinder body are equipped with the 6th reference block and the 7th benchmark in exhaust side convex
Block, the 6th reference plane are formed at the top surface of the 6th reference block, and the 7th reference plane is formed at the 7th benchmark
The top surface of block.
Compared with prior art, the utility model by setting three X-direction, Y direction and Z-direction directions simultaneously
Benchmark architecture so that benchmark influenced be subject to single rough-cast precision it is smaller, the benchmark architecture in each direction be equipped with to
Few two reference planes complete the function of clamping and positioning, make machining benchmark unified with positioning datum, effectively increase roughing essence
Degree, reduces mismachining tolerance.
Description of the drawings
Fig. 1 is the axonometric drawing of the utility model；
Fig. 2 is the side view of the utility model；
Fig. 3 is the top view of the utility model；
Fig. 4 is the left view of the utility model；
Fig. 5 is the right view of the utility model；
Fig. 6 is the structure diagram of the first reference block；
Fig. 7 is the structure diagram of the second reference block.
Reference sign：1- cylinder bodies, the first reference planes of 2-, the second reference planes of 3-, the first reference blocks of 4-, the second benchmark of 5-
Block, the first cylinders of 6-, 7- ends position cylinder, 8- cylinder sleeves, the first sand cleaning holes of 9-, the second sand cleaning holes of 10-, the 3rd reference planes of 11-, 12- the 4th
Reference plane, the 5th reference planes of 13-, the 3rd reference blocks of 14-, the 4th reference blocks of 15-, the 5th reference blocks of 16-, the 6th reference planes of 17-,
The 7th reference planes of 18-, the 6th reference blocks of 19-, the 7th reference blocks of 20-, 21- top plates, 22- bottom plates.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model
Limitation.
Engine in the present embodiment is inline four-cylinder engine, in the other embodiment of the application, engine
Cylinder number is changed as needed, has no effect on the realization of the technical solution of the application.
Refer in first cylinder 6 of the present embodiment when in face of attached drawing 1, the cylinder of left end is the first cylinder 6, the gas of right end
Cylinder is last position cylinder 7.
As shown in Figure 1, the embodiment of the utility model provides a kind of positioning of cylinder body and machining benchmark structure, including with
In Y-direction benchmark architectures of the X to benchmark architecture, for defining the Y direction benchmark of cylinder body 1 for the X-direction benchmark for defining cylinder body 1
With for defining the Z-direction benchmark architecture of the Z-direction benchmark of cylinder body 1, the X is to benchmark architecture, Y-direction benchmark architecture and Z-direction base
Quasi- structure is respectively formed at least two reference planes.
X-direction, the benchmark architecture in three directions of Y direction and Z-direction are set simultaneously so that benchmark is subject to single hair
The influence of base casting accuracy is smaller, ensure that machining accuracy, the benchmark architecture in each direction is equipped at least two reference planes, complete
Into the function of clamping and positioning, make machining benchmark unified with positioning datum, while there is positioning, two kinds of processing, it is fixed clamping
Roughing benchmark, 1 blank of roughing cylinder body can be used as while position.
In order to avoid the interference of frock clamp, the roughing of 1 outer end face of cylinder body is influenced, reference plane is arranged in 1 edge of cylinder body
Position.
With reference to shown in Fig. 6 and Fig. 7, the X includes the first reference plane 2 and the second reference plane 3 to benchmark architecture, cylinder body 1
Outside projection formation faces away from described the first of the direction extension of first cylinder 6 on the outer circumference surface of the cylinder sleeve 8 of first cylinder 6
Reference block 4, first reference plane 2 be formed at first reference block 4 away from the end face of first cylinder 6, the cylinder body 1
Last position cylinder 7 cylinder sleeve 8 outer circumference surface on outwards projection formation face away from the last position cylinder 7 direction extension described the
Two reference blocks 5, second reference plane 3 are formed at the end face for deviating from the last position cylinder 7 of second reference block 5.
First reference plane 2 and the second reference plane 3 are mutually parallel；The center of the cylinder sleeve 8 of first cylinder 6 and the last position cylinder
The line of centres of 7 cylinder sleeve 8 is perpendicular to first reference plane 2 and second reference plane 3.
By fixture while the stationary housing 1 on the basis of first reference plane 2 and second reference plane 3, no matter cast
When 1 water jacket of cylinder body whether moved compared with cylinder body 1, can ensure processing after cylinder holes uniform wall thickness.
As shown in Figure 4 and Figure 5, the first reference plane 2 and the second reference plane 3 are clamped in order to facilitate fixture, with described first
Adjacent 1 upper end surface of cylinder body of reference plane 2 is provided with the first sand cleaning hole 9, first reference plane 2 and first sand cleaning hole 9
Opposite outer surface is a part for the hole wall of the first sand cleaning hole 9；In cylinder body 1 upper surface adjacent with second reference plane 3
Place is provided with the second sand cleaning hole 10, and second reference plane 3 outer surface opposite with second sand cleaning hole 10 is the second sand removal
A part for the hole wall in hole 10.
Further, 2 and second reference plane 3 of the first reference plane is rectangle vertical plane, and length and width are not less than
25mm, so as to ensure that frock is clamped using space, front and rear clamping and positioning fixes X-direction.
As depicted in figs. 1 and 2, the Y-direction benchmark architecture includes the 3rd reference plane 11, the 4th reference plane 12 and the 5th benchmark
Face 13, the top plate 21 of the cylinder body 1 are equipped with the 3rd reference block 14 and the 4th reference block 15, the 3rd base in exhaust side convex
Quasi- face 11 be formed at the 3rd reference block 14 away from the end face of the top plate 21, the 4th reference plane 12 is formed at described
4th reference block 15 away from the end face of the top plate 21, the exhaust side of the cylinder body 1 is convexly equipped with the 5th reference block 16, described
Five reference planes 13 be formed at the 5th reference block 16 away from the end face of the cylinder body 1.
3rd reference plane 11, the 4th reference plane 12 and the 5th reference plane 13 are cylinder body 1 exhaust side, 3 vertical blanks respectively
Face, 3 reference planes are triangularly arranged, and cylinder body 1 is supported by 3 reference planes, and limit Y direction movement.
For the ease of the clamping and positioning of frock clamp, the 3rd reference plane 11 and the 4th reference plane 12 are put down for rectangle
Face, length are not less than 25mm.
With reference to shown in Fig. 1 and Fig. 3, the Z-direction benchmark architecture includes the 6th reference plane 17 and the 7th reference plane 18, the cylinder
The bottom plate 22 of body 1 is equipped with the 6th reference block 19 and the 7th reference block 20 in exhaust side convex, and the 6th reference plane 17 is formed
In the top surface of the 6th reference block 19, the 7th reference plane 18 is formed at the top surface of the 7th reference block 20.
6th reference plane 17 and the 7th reference plane 18 stretch out cylinder body 1, clamp and position convenient for frock, with the 6th reference plane 17
It is that machining benchmark, the 6th reference plane 17 and the 7th reference plane 18 process Z-direction size for same plane with the 7th reference plane 18,
6th reference plane 17 and 18 line of the 7th reference plane are as X-direction and Y direction blank machining benchmark.
The structure, feature and effect of the utility model are described in detail based on the embodiments shown in the drawings, with
Upper described is only the preferred embodiment of the utility model, but the utility model is to limit practical range shown in drawing, it is every according to
Change that conception according to the utility model is made or the equivalent embodiment for being revised as equivalent variations, still without departing from specification and figure
When showing covered spirit, it should be within the protection scope of the present utility model.
Claims (4)
1. a kind of positioning of cylinder body and machining benchmark structure, it is characterised in that：X-direction base including being used to define cylinder body (1)
Zs of the accurate X to benchmark architecture, for the Y-direction benchmark architecture that defines the Y direction benchmark of cylinder body (1) and for defining cylinder body (1)
The Z-direction benchmark architecture of direction of principal axis benchmark, the X are respectively formed at least two to benchmark architecture, Y-direction benchmark architecture and Z-direction benchmark architecture
A reference plane；The X includes the first reference plane (2) and the second reference plane (3) to benchmark architecture, the first cylinder (6) of cylinder body (1)
Outside projection formation faces away from first benchmark of the direction extension of first cylinder (6) on the outer circumference surface of cylinder sleeve (8)
Block (4), first reference plane (2) be formed at first reference block (4) away from the end face of first cylinder (6), it is described
Outside projection formation faces away from the side of the last position cylinder (7) on the outer circumference surface of the cylinder sleeve (8) of the last position cylinder (7) of cylinder body (1)
To second reference block (5) of extension, it is described that second reference plane (3) is formed at deviating from for second reference block (5)
The end face of last position cylinder (7)；The Y-direction benchmark architecture includes the 3rd reference plane (11), the 4th reference plane (12) and the 5th reference plane
(13), the top plate (21) of the cylinder body (1) is equipped with the 3rd reference block (14) and the 4th reference block (15), institute in exhaust side convex
State the 3rd reference plane (11) be formed at the 3rd reference block (14) away from the end face of the top plate (21), the 4th benchmark
Face (12) be formed at the 4th reference block (15) away from the end face of the top plate (21), the exhaust side of the cylinder body (1) is convex
Equipped with the 5th reference block (16), the 5th reference plane (13) be formed at the 5th reference block (16) away from the cylinder body
(1) end face；The Z-direction benchmark architecture includes the 6th reference plane (17) and the 7th reference plane (18), the bottom plate of the cylinder body (1)
(22) the 6th reference block (19) and the 7th reference block (20) are equipped in exhaust side convex, the 6th reference plane (17) is formed at
The top surface of 6th reference block (19), the 7th reference plane (18) are formed at the top surface of the 7th reference block (20).
2. the positioning of cylinder body according to claim 1 and machining benchmark structure, it is characterised in that：With first benchmark
Adjacent cylinder body (1) upper end surface in face (2) is provided with the first sand cleaning hole (9), first reference plane (2) and first sand removal
The opposite outer surface in hole (9) is a part for the hole wall of the first sand cleaning hole (9)；In the cylinder adjacent with second reference plane (3)
Body (1) upper end surface is provided with the second sand cleaning hole (10), and second reference plane (3) is opposite with second sand cleaning hole (10)
Outer surface is a part for the hole wall of the second sand cleaning hole (10).
3. the positioning of cylinder body according to claim 1 and machining benchmark structure, it is characterised in that：First reference plane
(2) and the second reference plane (3) is rectangle vertical plane, and length and width are not less than 25mm.
4. the positioning of cylinder body according to claim 1 and machining benchmark structure, it is characterised in that：3rd reference plane
(11) and the 4th reference plane (12) is rectangular planes, and length is not less than 25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721351501.XU CN207431775U (en) | 2017-10-19 | 2017-10-19 | A kind of positioning of cylinder body and machining benchmark structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721351501.XU CN207431775U (en) | 2017-10-19 | 2017-10-19 | A kind of positioning of cylinder body and machining benchmark structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207431775U true CN207431775U (en) | 2018-06-01 |
Family
ID=62292576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721351501.XU Expired - Fee Related CN207431775U (en) | 2017-10-19 | 2017-10-19 | A kind of positioning of cylinder body and machining benchmark structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207431775U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014788A (en) * | 2018-08-30 | 2018-12-18 | 安徽江淮汽车集团股份有限公司 | A kind of cylinder body processing method |
| CN111609827A (en) * | 2019-02-26 | 2020-09-01 | 上汽通用汽车有限公司 | Construction method of theoretical precise datum plane of engine cylinder block and engine cylinder block |
-
2017
- 2017-10-19 CN CN201721351501.XU patent/CN207431775U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014788A (en) * | 2018-08-30 | 2018-12-18 | 安徽江淮汽车集团股份有限公司 | A kind of cylinder body processing method |
| CN111609827A (en) * | 2019-02-26 | 2020-09-01 | 上汽通用汽车有限公司 | Construction method of theoretical precise datum plane of engine cylinder block and engine cylinder block |
| CN111609827B (en) * | 2019-02-26 | 2022-01-11 | 上汽通用汽车有限公司 | Construction method of theoretical precise datum plane of engine cylinder block and engine cylinder block |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20201019 |
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| CF01 | Termination of patent right due to non-payment of annual fee |