CN110732901A - Positioning mechanism for rough machining of engine cylinder body - Google Patents
Positioning mechanism for rough machining of engine cylinder body Download PDFInfo
- Publication number
- CN110732901A CN110732901A CN201910954903.6A CN201910954903A CN110732901A CN 110732901 A CN110732901 A CN 110732901A CN 201910954903 A CN201910954903 A CN 201910954903A CN 110732901 A CN110732901 A CN 110732901A
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- China
- Prior art keywords
- rod
- oil cylinder
- transverse
- cylinder
- piston rod
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 14
- 238000003754 machining Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
Classifications
-
- 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
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a positioning mechanism for rough machining of an engine cylinder body, which comprises a cylinder seat, wherein a lower oil cylinder is arranged in the cylinder seat, a piston rod of the lower oil cylinder faces downwards, rod sleeves are arranged on the cylinder seats on two sides of the lower oil cylinder, vertical push rods are arranged in the rod sleeves, a connecting plate is arranged between the lower ends of the vertical push rods, the middle of the connecting plate is connected with the outer end of the piston rod of the lower oil cylinder, transverse holes are formed in the upper parts of adjacent side sleeve walls of the rod sleeves, transverse push rods are arranged in transverse holes, 45-degree inclined planes are arranged at the inner end of each transverse push rod and the upper end of each vertical push rod and are in sliding fit with each other, an upper oil cylinder is arranged on the lower oil cylinder, an annular bulge is arranged on the upper cylinder body, second transverse holes are arranged on the opposite side walls of the annular bulge, the second transverse holes are vertical to the transverse holes, second transverse push rods are arranged in the second transverse holes, 45-degree inclined planes are arranged at the inner end of the second transverse push rod and two sides of the piston rod of the upper oil cylinder and are.
Description
Technical Field
The invention relates to positioning mechanisms, in particular to a positioning mechanism for positioning an engine cylinder during rough machining of the engine cylinder.
Background
In the production industry of automobile engine cylinder blocks, it is known that in the rough machining process of the engine cylinder blocks, the engine cylinder blocks need to be positioned in order to ensure the machining quality. The traditional positioning method is to clamp the dead point of the engine cylinder body, namely a non-processing point, by utilizing a plurality of oil cylinders to clamp and position the engine cylinder body. Although the engine cylinder can be positioned by adopting the method, the clamping and positioning are realized by clamping the dead point of the engine cylinder by using a plurality of oil cylinders, and the required oil cylinders are more, so that the method has the advantages of more operation steps, more trouble in operation, low positioning precision and low working efficiency.
Disclosure of Invention
The invention aims to provide positioning mechanisms for rough machining of engine cylinder blocks, and by adopting the positioning mechanisms, the operation steps are fewer, the operation is easy, the positioning precision is high, and the production efficiency can be improved.
The above problems to be solved by the present invention are realized by the following technical solutions:
the invention relates to a positioning mechanism for rough machining of an engine cylinder body, which comprises a cylinder base, wherein a lower oil cylinder is arranged in the cylinder base, a piston rod of the lower oil cylinder faces downwards, rod sleeves are arranged on the cylinder base on two sides of the lower oil cylinder, the rod sleeves are vertically arranged and are parallel to the piston rod of the lower oil cylinder, vertical push rods are arranged in the rod sleeves and are in sliding fit with the rod sleeves, a connecting plate is arranged between the lower ends of the vertical push rods, two ends of the connecting plate are respectively connected with the lower ends of the corresponding vertical push rods, the middle of the connecting plate is connected with the outer end of the piston rod of the lower oil cylinder, a second transverse hole is arranged on the upper portion of the sleeve wall on the adjacent side of the rod sleeves, a second transverse hole is coaxially arranged, a second transverse push rod is arranged in the connecting plate, the inner end of the second transverse push rod and the upper end of the push rod are respectively provided with 45-degree inclined planes which are in sliding fit with the outer end of the piston rod of the lower oil cylinder, an upper oil cylinder is provided with an upper oil cylinder, the piston rod 6 faces upwards, the cylinder body end of the upper oil cylinder is connected into a body, annular bulge for forming an annular bulge, the outer end of the second transverse push rod is provided with a second transverse hole, and the transverse hole, the transverse push rod is arranged coaxially arranged with a second transverse inclined.
According to the improvement scheme of , the upper ends of the vertical push rods are provided with th ejector heads, and 45-degree inclined planes at the upper ends of the vertical push rods are positioned at the upper ends of the th ejector heads.
The improved scheme of the present invention includes steps, that the upper end of the piston rod of the upper oil cylinder has one closed top sleeve, and two 45 deg inclined planes in the outer end of the piston rod are located in the top sleeve.
According to the scheme, when the clamping device works, the piston rod of the upper oil cylinder extends outwards firstly, so that the two second transverse push rods which are coaxially arranged can be driven to extend outwards simultaneously until the piston rod props against the engine cylinder body, horizontal direction clamping and positioning of the engine cylinder body are realized, then the piston rod of the lower oil cylinder extends outwards and drives the two vertical push rods to move upwards respectively along the rod sleeves where the two vertical push rods are located through the connecting rods, and then the two transverse push rods which are coaxially arranged extend inwards simultaneously, so that clamping and positioning of the engine cylinder body in other horizontal directions are realized.
Drawings
FIG. 1 is a schematic view of a positioning mechanism for roughing an engine cylinder block of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
Detailed Description
As shown in figures 1 and 2, the positioning mechanism for rough machining of the engine cylinder body comprises a cylinder base 7, a bottom plate 10 is arranged below the cylinder base 7, a lower oil cylinder is arranged in the bottom plate, a piston rod 8 of the lower oil cylinder faces downwards, rod sleeves 1 are arranged on the cylinder base 7 on two sides of the lower oil cylinder, the rod sleeves 1 are vertically arranged and are parallel to the piston rod 8 of the lower oil cylinder, vertical push rods 5 are arranged in the rod sleeves 1, the vertical push rods 5 are in sliding fit with the rod sleeves 1, a connecting plate 9 is arranged between the lower ends of the two vertical push rods 5, two ends of the connecting plate 9 are respectively connected to through nuts and the lower ends of the corresponding vertical push rods 5, a shaft hole is formed in the middle of the connecting plate 9, the outer end of the piston rod 8 of the lower oil cylinder penetrates out of the connecting plate 9 through the shaft hole and is locked through the nuts, transverse holes are formed in the positions of the upper portions of sleeve walls on the adjacent sides of the rod sleeves 1, transverse holes are coaxially arranged, a transverse push rod 4 is installed in the inner end of an transverse push rod 4, an.
The lower oil cylinder is provided with an upper oil cylinder, a piston rod 6 of the upper oil cylinder faces upwards, the ends of cylinder bodies of the upper oil cylinder and the lower oil cylinder are connected into a body, annular bulges used for forming short pipes are processed on the upper cylinder body on the periphery of the piston rod 6, second transverse holes are processed on opposite side walls of the annular bulges, the two second transverse holes are coaxially arranged and are perpendicular to the transverse hole, second transverse push rods 12 are mounted in the second transverse holes, 45-degree inclined planes are processed at the inner ends of the second transverse push rods 12, 45-degree inclined planes are processed at two sides of the outer end of the piston rod 6 of the upper oil cylinder, and the two 45-degree inclined planes are respectively matched with the 45-degree inclined planes at the inner ends of the corresponding second transverse rods 12.
The th ejector head 3 is arranged at the upper end of each vertical push rod 5, and the 45-degree inclined planes at the upper end of each vertical push rod 5 are arranged at the upper end of the th ejector head 3.
The upper end of a piston rod 6 of the upper oil cylinder is provided with a top sleeve 2. The upper end of the top sleeve 2 is closed, and the 45-degree inclined planes at the two sides of the outer end of the piston rod 6 are positioned at the upper end of the top sleeve 2.
When the cylinder is in work, the piston rod 6 of the upper oil cylinder extends outwards firstly, so that the two coaxially arranged second transverse push rods 12 can be driven to extend outwards simultaneously until the cylinder body of the engine is propped against the cylinder body of the engine, and therefore horizontal directions of the cylinder body of the engine are clamped and positioned, the piston rod 8 of the lower oil cylinder extends outwards and drives the two vertical push rods 5 to move upwards respectively along the rod sleeve 1 where the piston rod 8 is located through the connecting rod 9, and then the two coaxially arranged transverse push rods 4 are driven to extend inwards simultaneously, so that the clamping and positioning of the other horizontal directions of the cylinder body of the engine are realized.
Claims (4)
1. The positioning mechanism for rough machining of the engine cylinder body is characterized by comprising a cylinder seat, a lower oil cylinder is arranged in the cylinder seat, a piston rod of the lower oil cylinder faces downwards, rod sleeves are arranged on the cylinder seats on two sides of the lower oil cylinder, the rod sleeves are vertically arranged and are parallel to the piston rod of the lower oil cylinder, vertical push rods are arranged in the rod sleeves and are in sliding fit with the vertical push rods, a connecting plate is arranged between the lower ends of the vertical push rods, two ends of the connecting plate are respectively connected with the lower ends of the corresponding vertical push rods, the middle of the connecting plate is connected with the outer end of the piston rod of the lower oil cylinder, a transverse hole is formed in the upper portion of the adjacent side sleeve wall of each rod sleeve, a transverse hole is coaxially arranged, a transverse push rod is arranged in each transverse hole, an annular protrusion is formed in the upper cylinder body around the piston rod, the inner end of the transverse push rod and the vertical push rod are both provided with 45-degree inclined planes which are in sliding fit with the lower oil cylinder, an upper oil cylinder is provided with an upper oil cylinder, the lower oil cylinder, the piston rod is provided with an annular protrusion, the second transverse hole is coaxially arranged, the second transverse hole is perpendicular to the transverse rod, the inner end of the transverse rod of the corresponding transverse rod 5945-degree inclined plane, the second transverse hole, the transverse rod is arranged in the transverse hole, and is arranged in the transverse.
2. The positioning mechanism for rough machining of the engine cylinder block as claimed in claim 1, wherein the upper ends of the vertical push rods are provided with th push heads, and 45-degree inclined planes at the upper ends of the vertical push rods are positioned at the upper ends of th push heads.
3. The positioning mechanism for rough machining of an engine block according to claim 1, characterized in that: the upper end of a piston rod of the upper oil cylinder is provided with a top sleeve; the upper end of the top sleeve is closed, and the 45-degree inclined planes at the two sides of the outer end of the piston rod are positioned at the upper end of the top sleeve.
4. The positioning mechanism for rough machining of the engine cylinder block according to any of claims 1-3, wherein a bottom plate is arranged below the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910954903.6A CN110732901A (en) | 2019-10-11 | 2019-10-11 | Positioning mechanism for rough machining of engine cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910954903.6A CN110732901A (en) | 2019-10-11 | 2019-10-11 | Positioning mechanism for rough machining of engine cylinder body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110732901A true CN110732901A (en) | 2020-01-31 |
Family
ID=69268501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910954903.6A Pending CN110732901A (en) | 2019-10-11 | 2019-10-11 | Positioning mechanism for rough machining of engine cylinder body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110732901A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08291789A (en) * | 1995-04-21 | 1996-11-05 | Izumi Kogyo Kk | Fluid pressure utilizing operating rod |
| JP2002263975A (en) * | 2001-03-05 | 2002-09-17 | Smc Corp | Clamping device |
| CN201020623Y (en) * | 2006-11-29 | 2008-02-13 | 比亚迪股份有限公司 | Internal-bulging type hydraulic cylinder for positioning engine cylinder |
| CN102380778A (en) * | 2011-09-21 | 2012-03-21 | 浙江吉利汽车研究院有限公司 | Clamping mechanism for workpiece |
| CN202207916U (en) * | 2011-08-24 | 2012-05-02 | 亿达日平机床有限公司 | Expanding pin device for positioning crankshaft holes and camshaft holes |
| CN104669016A (en) * | 2015-01-29 | 2015-06-03 | 重庆长安汽车股份有限公司 | Engine crankcase coarse positioning fixture and positioning method thereof |
| CN205630382U (en) * | 2016-04-07 | 2016-10-12 | 无锡瑞真精机股份有限公司 | A positioner that is used for connecting rod and casing class part |
| CN206653316U (en) * | 2017-04-26 | 2017-11-21 | 尹晓辉 | A kind of fixture for location engine cylinder body |
| CN107654443A (en) * | 2017-08-28 | 2018-02-02 | 无锡瑞真精机股份有限公司 | Telescopic hydraulic makes concentric mechanism by oneself |
| CN208005230U (en) * | 2018-03-16 | 2018-10-26 | 安阳三一机械有限公司 | Engine cylinder hole right boring clamping positioning mechanism |
| CN208005190U (en) * | 2018-03-16 | 2018-10-26 | 安阳三一机械有限公司 | Engine cylinder hole heavy boring clamping and positioning device |
| CN109058221A (en) * | 2018-09-28 | 2018-12-21 | 燕山大学 | A kind of hydraulic support cylinder |
| CN208628978U (en) * | 2018-09-14 | 2019-03-22 | 安阳红钢机械装备有限公司 | A kind of engine cylinder body processing hydraulic fixture |
| CN211053176U (en) * | 2019-10-11 | 2020-07-21 | 无锡瑞真精机股份有限公司 | Positioning mechanism for rough machining of engine cylinder body |
-
2019
- 2019-10-11 CN CN201910954903.6A patent/CN110732901A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08291789A (en) * | 1995-04-21 | 1996-11-05 | Izumi Kogyo Kk | Fluid pressure utilizing operating rod |
| JP2002263975A (en) * | 2001-03-05 | 2002-09-17 | Smc Corp | Clamping device |
| CN201020623Y (en) * | 2006-11-29 | 2008-02-13 | 比亚迪股份有限公司 | Internal-bulging type hydraulic cylinder for positioning engine cylinder |
| CN202207916U (en) * | 2011-08-24 | 2012-05-02 | 亿达日平机床有限公司 | Expanding pin device for positioning crankshaft holes and camshaft holes |
| CN102380778A (en) * | 2011-09-21 | 2012-03-21 | 浙江吉利汽车研究院有限公司 | Clamping mechanism for workpiece |
| CN104669016A (en) * | 2015-01-29 | 2015-06-03 | 重庆长安汽车股份有限公司 | Engine crankcase coarse positioning fixture and positioning method thereof |
| CN205630382U (en) * | 2016-04-07 | 2016-10-12 | 无锡瑞真精机股份有限公司 | A positioner that is used for connecting rod and casing class part |
| CN206653316U (en) * | 2017-04-26 | 2017-11-21 | 尹晓辉 | A kind of fixture for location engine cylinder body |
| CN107654443A (en) * | 2017-08-28 | 2018-02-02 | 无锡瑞真精机股份有限公司 | Telescopic hydraulic makes concentric mechanism by oneself |
| CN208005230U (en) * | 2018-03-16 | 2018-10-26 | 安阳三一机械有限公司 | Engine cylinder hole right boring clamping positioning mechanism |
| CN208005190U (en) * | 2018-03-16 | 2018-10-26 | 安阳三一机械有限公司 | Engine cylinder hole heavy boring clamping and positioning device |
| CN208628978U (en) * | 2018-09-14 | 2019-03-22 | 安阳红钢机械装备有限公司 | A kind of engine cylinder body processing hydraulic fixture |
| CN109058221A (en) * | 2018-09-28 | 2018-12-21 | 燕山大学 | A kind of hydraulic support cylinder |
| CN211053176U (en) * | 2019-10-11 | 2020-07-21 | 无锡瑞真精机股份有限公司 | Positioning mechanism for rough machining of engine cylinder body |
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