CN112621314A - Double-connecting-rod hole machining and positioning method - Google Patents
Double-connecting-rod hole machining and positioning method Download PDFInfo
- Publication number
- CN112621314A CN112621314A CN202011457773.4A CN202011457773A CN112621314A CN 112621314 A CN112621314 A CN 112621314A CN 202011457773 A CN202011457773 A CN 202011457773A CN 112621314 A CN112621314 A CN 112621314A
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- Prior art keywords
- positioning
- connecting rod
- pressing plate
- rod
- double
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- 238000003754 machining Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000004141 microcephaly Diseases 0.000 description 1
Images
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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- 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
- B23Q3/061—Work-clamping means adapted for holding a plurality of workpieces
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a double-connecting-rod hole machining and positioning method which comprises the following steps: s1, placing the two connecting rods on corresponding positioning substrates respectively, and performing primary positioning through a connecting rod head positioning column and a connecting rod small head positioning column on the positioning substrates; s2, clamping the two sides of each connecting rod oppositely through clamping cylinders positioned on the two sides of each connecting rod; and S3, moving a pressing plate downwards to press the big head ends of the two connecting rods simultaneously, and completing the positioning of the two connecting rods. The double-connecting-rod hole machining and positioning method is reasonable in design, the two connecting rods are initially positioned and placed on respective positioning base plates, the connecting rods are oppositely clamped through the clamping cylinders positioned on the two sides of the connecting rods, then the large end ends of the two connecting rods are simultaneously pressed through the pressing plate, the positioning is simple and convenient, and the machining efficiency is improved.
Description
Technical Field
The invention relates to the technical field of connecting rod processing, in particular to a double-connecting-rod hole processing and positioning method.
Background
The existing automobile connecting rod processing does not have a special positioning tool, the automobile connecting rod is positioned by combining a plurality of positioning structures, a positioning fastener needs to be screwed manually, the operation is complicated, and the processing efficiency is low; generally, only one connecting rod can be positioned, two or more connecting rods cannot be positioned at the same time, and the machining efficiency is high.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problem to be solved by the invention is to provide a double-connecting-rod hole machining and positioning method so as to achieve the purposes of simple and convenient positioning and improvement of machining efficiency.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the double-connecting-rod hole machining and positioning method comprises the following steps:
s1, placing the two connecting rods on corresponding positioning substrates respectively, and performing primary positioning through a connecting rod head positioning column and a connecting rod small head positioning column on the positioning substrates;
s2, clamping the two sides of each connecting rod oppositely through clamping cylinders positioned on the two sides of each connecting rod;
and S3, moving a pressing plate downwards to press the big head ends of the two connecting rods simultaneously, and completing the positioning of the two connecting rods.
Wherein,
and in the step S1, before the connecting rod is placed, the pressing plate is rotated to enable the end part of the pressing plate to avoid the positioning column, the connecting rod is placed on the positioning base plate, and then the pressing plate is rotated to enable the end part of the pressing plate to be positioned right above the large head end of the connecting rod.
The clamping cylinders are horizontally provided with two pairs of clamping cylinders, one pair of clamping cylinders correspond to the small ends of the connecting rods, the other pair of clamping cylinders correspond to the large ends of the connecting rods, and the four clamping cylinders perform synchronous clamping operation.
In the step S3, the pressing plate is driven by the hydraulic cylinder to move downward and press against the big end of the connecting rod.
After the connecting rod is positioned and processed, the pressing plate is jacked up through a spring sleeved on a piston rod of the hydraulic cylinder, and the connecting rod can be taken down by rotating the pressing plate.
Compared with the prior art, the invention has the following advantages:
the double-connecting-rod hole machining and positioning method is reasonable in design, the two connecting rods are initially positioned and placed on respective positioning base plates, the connecting rods are oppositely clamped through the clamping cylinders positioned on the two sides of the connecting rods, then the large end ends of the two connecting rods are simultaneously pressed through the pressing plate, the positioning is simple and convenient, and the machining efficiency is improved.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic view of a tool structure used in the present invention.
FIG. 2 is a schematic plan view of a positioning plate on one side of the present invention.
FIG. 3 is a schematic view of a rotary platen according to the present invention.
In the figure:
1. the device comprises a positioning base plate, 2 connecting rod small-end positioning plates, 201 connecting rod small-end positioning columns, 3 connecting rod large-end positioning plates, 301 connecting rod large-end positioning columns, 4 hydraulic cylinders, 5 rotary pressing plates, 6 compression springs, 7 clamping cylinders, 701 clamping side plates and 702 clamping rubber blocks.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
The double-connecting-rod hole machining and positioning method comprises the following steps:
s1, placing the two connecting rods on corresponding positioning substrates respectively, and performing primary positioning through a connecting rod head positioning column and a connecting rod small head positioning column on the positioning substrates;
s2, clamping the two sides of each connecting rod oppositely through clamping cylinders positioned on the two sides of each connecting rod;
and S3, moving a pressing plate downwards to press the big head ends of the two connecting rods simultaneously, and completing the positioning of the two connecting rods.
Wherein,
in the step S1, before the connecting rod is placed, the pressing plate is rotated to keep the end of the pressing plate away from the positioning post, the connecting rod is placed on the positioning substrate, and then the pressing plate is rotated to position the end of the pressing plate right above the big end of the connecting rod, so that the operation is simple.
The clamping cylinders are horizontally provided with two pairs of clamping cylinders, one pair of clamping cylinders corresponds to the small end of the connecting rod, the other pair of clamping cylinders corresponds to the large end of the connecting rod, and the four clamping cylinders are synchronously clamped to operate, so that the positioning is stable and reliable
In the step S3, the pressure plate is driven by the hydraulic cylinder to move downwards and is pressed on the big end of the connecting rod; after the connecting rod is positioned and processed, the pressing plate is jacked up through a spring sleeved on a piston rod of the hydraulic cylinder, the connecting rod can be taken down by rotating the pressing plate, the pressing and the loosening are automatically completed, and the operation is simple and convenient.
The double-connecting-rod hole machining and positioning method is reasonable in design, the two connecting rods are initially positioned and placed on respective positioning base plates, the connecting rods are oppositely clamped through the clamping cylinders positioned on the two sides of the connecting rods, then the large end ends of the two connecting rods are simultaneously pressed through the pressing plate, and the positioning is simple and convenient; the two connecting rods are positioned at the same time, so that the processing efficiency is improved; and the structure is compact, the occupied space is small, and the synchronous processing below the cutter is convenient to arrange.
As shown in fig. 1 to 3, the preferred specific structure of the positioning tool used in the method for processing and positioning the double-connecting-rod hole of the present invention is as follows:
the positioning tool comprises a hydraulic cylinder 4 and a pair of positioning base plates 1 which are oppositely arranged, wherein a support is arranged below each positioning base plate, the hydraulic cylinder is arranged between the supports of the pair of positioning base plates, a connecting rod small-end positioning column 201 used for positioning a connecting rod small-end and a group of clamping structures used for clamping the side face of the connecting rod are arranged on each positioning base plate, and a pressing plate used for pressing the large-end ends of the two connecting rods on the two positioning base plates is arranged at the top end of a piston rod of the hydraulic cylinder.
The two positioning substrates are supported and fixed through the support at the lower part, the working table surfaces of the two positioning substrates have certain height, a gap is formed between the two positioning substrates, and the hydraulic cylinder is arranged in the gap between the two positioning substrates, so that the structure is compact, the occupied space is small, and the arrangement below the cutter is convenient.
A connecting rod big end positioning column 301 is arranged on the positioning substrate and is matched with the edge of a connecting rod big end hole; the outer edge of the connecting rod big end positioning column can be matched with the hole in the connecting rod big end hole for direct positioning, or the connecting rod big end positioning column is provided with an annular groove matched with the outer edge of the connecting rod big end hole for positioning.
The connecting rod big end positioning column is arranged on the connecting rod big end positioning plate 3, the connecting rod big end positioning plate is fixed on the positioning base plate through the waist-shaped hole, the connecting rod small end positioning column is arranged on the connecting rod small end positioning plate 2, the connecting rod small end positioning plate is also fixed on the positioning base plate through the waist-shaped hole, and the distance between the two positioning columns of the connecting rod can be adjusted through the positioning plates to adapt to positioning of connecting rods with different sizes.
The pressing plate is a rotary pressing plate 5, the rotary pressing plate is rotatably arranged at the top end of a piston rod of the hydraulic cylinder, the connecting rod is placed on the positioning base plate, the end part of the rotary pressing plate is positioned above the large head end part of the connecting rod through the rotation of the rotary pressing plate, the rotary pressing plate is driven by the hydraulic cylinder to move downwards to press the large head end of the connecting rod, and the two connecting rods can be processed after the positioning is finished; after the processing is finished, the connecting rod can be taken down by rotating the pressing plate, and the operation is simple and convenient.
The tip of rotating pressing plate is equipped with the arc recess that is used for dodging major part hole process space, compresses tightly connecting rod major part end top, and the major part hole of connecting rod can not sheltered from to the clamp plate, can process the major part hole and the microcephaly hole of connecting rod simultaneously, and processing is high-efficient.
The piston rod is sleeved with a pressure spring 6, the pressure spring is a spiral spring, the pressure spring is located between a cylinder body of the hydraulic cylinder and the rotary pressing plate, the hydraulic cylinder does not work after machining is completed, the pressing plate is automatically jacked up through the compressed spring, the connecting rod can be taken down through the rotary pressing plate, and operation is simple and convenient.
The clamping structure on each positioning base plate comprises two pairs of clamping cylinders 7, one pair of clamping cylinders is arranged opposite to the connecting rod small-head positioning columns, and the other pair of clamping cylinders is arranged opposite to the connecting rod large-head positioning columns.
Two clamping cylinders of the pair of clamping cylinders are oppositely arranged at two sides of the positioning column, a clamping side plate 701 is arranged at the inner side of each clamping cylinder, two piston rods are arranged at the inner side of each clamping cylinder, and the clamping side plates are arranged at the end parts of the two piston rods.
The clamping side plates are provided with clamping rubber blocks 702, the clamping rubber blocks are provided with profiling grooves matched with the shapes of the side surfaces of the connecting rod end parts, and the positioning is stable and reliable
The above-mentioned features are merely for describing preferred embodiments of the present invention and may be arbitrarily combined to form a plurality of embodiments of the present invention.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (5)
1. A double-connecting-rod hole machining and positioning method is characterized in that: the double-connecting-rod hole machining and positioning method comprises the following steps:
s1, placing the two connecting rods on corresponding positioning substrates respectively, and performing primary positioning through a connecting rod head positioning column and a connecting rod small head positioning column on the positioning substrates;
s2, clamping the two sides of each connecting rod oppositely through clamping cylinders positioned on the two sides of each connecting rod;
and S3, moving a pressing plate downwards to press the big head ends of the two connecting rods simultaneously, and completing the positioning of the two connecting rods.
2. The double-connecting-rod hole machining and positioning method as claimed in claim 1, wherein: and in the step S1, before the connecting rod is placed, the pressing plate is rotated to enable the end part of the pressing plate to avoid the positioning column, the connecting rod is placed on the positioning base plate, and then the pressing plate is rotated to enable the end part of the pressing plate to be positioned right above the large head end of the connecting rod.
3. The double-connecting-rod hole machining and positioning method as claimed in claim 1, wherein: the clamping cylinders are horizontally provided with two pairs of clamping cylinders, one pair of clamping cylinders correspond to the small ends of the connecting rods, the other pair of clamping cylinders correspond to the large ends of the connecting rods, and the four clamping cylinders perform synchronous clamping operation.
4. The double-connecting-rod hole machining and positioning method as claimed in claim 2, wherein: in the step S3, the pressing plate is driven by the hydraulic cylinder to move downward and press against the big end of the connecting rod.
5. The double-connecting-rod hole machining and positioning method as claimed in claim 4, wherein: after the connecting rod is positioned and processed, the pressing plate is jacked up through a spring sleeved on a piston rod of the hydraulic cylinder, and the connecting rod can be taken down by rotating the pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011457773.4A CN112621314A (en) | 2020-12-10 | 2020-12-10 | Double-connecting-rod hole machining and positioning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011457773.4A CN112621314A (en) | 2020-12-10 | 2020-12-10 | Double-connecting-rod hole machining and positioning method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112621314A true CN112621314A (en) | 2021-04-09 |
Family
ID=75309982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011457773.4A Pending CN112621314A (en) | 2020-12-10 | 2020-12-10 | Double-connecting-rod hole machining and positioning method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112621314A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5941515A (en) * | 1998-01-26 | 1999-08-24 | General Motors Corporation | Universal connecting rod fixture and method |
| JP2011083838A (en) * | 2009-10-13 | 2011-04-28 | Toyota Motor Corp | Clamping device of connecting rod |
| CN202317315U (en) * | 2011-11-16 | 2012-07-11 | 江苏华商企业管理咨询服务有限公司 | Press machine connecting rod thread machining tool |
| CN103831650A (en) * | 2014-03-03 | 2014-06-04 | 杭州钰友精密机械有限公司 | Fixture for machining holes in large and small ends of automotive engine connecting rod |
| CN104440290A (en) * | 2013-09-12 | 2015-03-25 | 西安志越机电科技有限公司 | Double-station connecting rod hole milling and pressing device |
| CN106363208A (en) * | 2016-11-23 | 2017-02-01 | 山东滨州渤海活塞股份有限公司 | Boring machine for irregularly-shaped holes of connecting rod |
| CN207309439U (en) * | 2017-04-18 | 2018-05-04 | 中石化石油机械股份有限公司三机分公司 | A kind of compressor connecting bar concentric reducer hole processing clamp |
| CN210790035U (en) * | 2019-10-23 | 2020-06-19 | 湖北神匠精密锻造有限公司 | Flexible quick-change clamp for drilling and boring large and small holes of connecting rod |
-
2020
- 2020-12-10 CN CN202011457773.4A patent/CN112621314A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5941515A (en) * | 1998-01-26 | 1999-08-24 | General Motors Corporation | Universal connecting rod fixture and method |
| JP2011083838A (en) * | 2009-10-13 | 2011-04-28 | Toyota Motor Corp | Clamping device of connecting rod |
| CN202317315U (en) * | 2011-11-16 | 2012-07-11 | 江苏华商企业管理咨询服务有限公司 | Press machine connecting rod thread machining tool |
| CN104440290A (en) * | 2013-09-12 | 2015-03-25 | 西安志越机电科技有限公司 | Double-station connecting rod hole milling and pressing device |
| CN103831650A (en) * | 2014-03-03 | 2014-06-04 | 杭州钰友精密机械有限公司 | Fixture for machining holes in large and small ends of automotive engine connecting rod |
| CN106363208A (en) * | 2016-11-23 | 2017-02-01 | 山东滨州渤海活塞股份有限公司 | Boring machine for irregularly-shaped holes of connecting rod |
| CN207309439U (en) * | 2017-04-18 | 2018-05-04 | 中石化石油机械股份有限公司三机分公司 | A kind of compressor connecting bar concentric reducer hole processing clamp |
| CN210790035U (en) * | 2019-10-23 | 2020-06-19 | 湖北神匠精密锻造有限公司 | Flexible quick-change clamp for drilling and boring large and small holes of connecting rod |
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Application publication date: 20210409 |
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| RJ01 | Rejection of invention patent application after publication |