CN107876821B - Integral machining device for big end hole of connecting rod - Google Patents
Integral machining device for big end hole of connecting rod Download PDFInfo
- Publication number
- CN107876821B CN107876821B CN201711047348.6A CN201711047348A CN107876821B CN 107876821 B CN107876821 B CN 107876821B CN 201711047348 A CN201711047348 A CN 201711047348A CN 107876821 B CN107876821 B CN 107876821B
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- connecting rod
- plate
- hole
- baffle
- boring cutter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- 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)
- Drilling And Boring (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses an integral processing device for a large-end hole of a connecting rod, which comprises a boring cutter head, a connecting rod positioning mechanism, a bottom plate and a working cylinder, wherein the working cylinder is used for driving the connecting rod positioning mechanism to move relative to the boring cutter head; the connecting rod positioning mechanism comprises a hydraulic cylinder, a fixing plate and a baffle, the baffle is arranged between the fixing plate and the boring cutter head, the baffle is provided with an avoidance through hole corresponding to the boring cutter head, the fixing plate is positioned between the hydraulic cylinder and the baffle, the avoidance through hole is correspondingly arranged in the fixing plate, a movable pressing block used for pressing the big head end of the connecting rod body and the connecting rod cover on the baffle is arranged, and the movable pressing block is arranged corresponding to the piston head of the hydraulic cylinder. The whole connecting rod big end hole is processed at one time, so that the product quality is improved; and the whole processing greatly improves the processing efficiency.
Description
Technical Field
The invention relates to the technical field of connecting rods, in particular to an integral machining device for a large-end hole of a connecting rod.
Background
The engine connecting rod comprises a connecting rod body and a connecting rod cover which are matched, and the connecting rod body and the connecting rod cover are matched to form a big-end hole of the connecting rod. The big end hole of the existing connecting rod is processed in a split mode, namely the big end hole parts on the connecting rod body and the connecting rod cover are processed separately, the processing efficiency is low, the consistency of the processing sizes of the big end holes of the two parts is poor, and the quality of the connecting rod is affected.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an integral processing device for a connecting rod big end hole, so as to achieve the purpose of good processing consistency of the connecting rod body and the corresponding big end hole part on a connecting rod cover.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the connecting rod large-end hole integral machining device comprises a boring cutter head, a connecting rod positioning mechanism, a bottom plate and a working cylinder, wherein the working cylinder is used for driving the connecting rod positioning mechanism to move relative to the boring cutter head; the connecting rod positioning mechanism comprises a hydraulic cylinder, a fixing plate and a baffle, the baffle is arranged between the fixing plate and the boring cutter head, the baffle is provided with an avoidance through hole corresponding to the boring cutter head, the fixing plate is positioned between the hydraulic cylinder and the baffle, the avoidance through hole is correspondingly arranged in the fixing plate, a movable pressing block used for pressing the big head end of the connecting rod body and the connecting rod cover on the baffle is arranged, and the movable pressing block is arranged corresponding to the piston head of the hydraulic cylinder.
The hydraulic cylinder and the baffle plate are arranged on the fixed plate or arranged on the sliding plate through the supporting plate, and the fixed plate, the supporting plate and the baffle plate are arranged on the sliding plate.
And a connecting rod small-head positioning column is arranged on the fixed plate close to the boring cutter head side.
The top of the fixed plate is provided with a top plate, and the top plate is provided with a pressing rod for pressing the connecting rod cover.
And an air blowing pipe used for blowing scrap iron is arranged on the baffle corresponding to the avoiding through hole.
The fixed plate is provided with a through hole corresponding to the boring cutter head, the movable pressing block is connected with the ejecting block, the movable pressing block and the ejecting block are arranged in the through hole of the fixed plate together, and the ejecting block is opposite to the piston head.
The baffle is arranged on the fixing plate through a bolt, and a cushion cylinder is sleeved on the bolt part between the baffle and the fixing plate.
And the bottom plate is provided with a guide rail for the sliding plate to move along the axial direction of the boring cutter head.
The connecting rod small-end positioning column comprises a sleeve, a pressing plate and a positioning bolt, and the sleeve is detachably arranged on the fixing plate through the pressing plate and the positioning bolt.
A connecting column is arranged between the pressing block and the ejector block, penetrates through a guide hole formed in the fixed plate, and a spring is sleeved on the connecting column part between the ejector block and the fixed plate.
Compared with the prior art, the invention has the following advantages:
the connecting rod big end hole integral processing device is reasonable in structural design, the connecting rod body and the connecting rod cover are combined together through the positioning mechanism to process the connecting rod big end hole, the connecting rod big end hole is integrally processed at one time, the size precision of the corresponding big end hole parts on the connecting rod body and the connecting rod cover is consistent, and the product quality is improved; and the whole processing greatly improves the processing efficiency.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic view of the structure of the apparatus of the present invention.
FIG. 2 is a schematic view of the structure of the baffle of the present invention.
In the figure:
1. the hole boring cutter head, 2, a bottom plate, 3, a sliding plate, 4, a supporting plate, 5, a hydraulic cylinder, 6, a piston head, 7, a fixing plate, 8, a top column, 9, a top block, 10, a connecting rod small head positioning column, 11, a movable pressing block, 12, a baffle, 13, a top plate, 14, a pressing rod, 15, an avoiding through hole, 16, an air blowing pipe, 17, a supporting rod and 18, and the working cylinder.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the connecting rod large-end hole integral processing device comprises a boring cutter head 1, a bottom plate 2, a sliding plate 3, a supporting plate 4, a hydraulic cylinder 5, a piston head 6, a fixing plate 7, a top column 8, a top block 9, a connecting rod small-end positioning column 10, a movable pressing block 11, a baffle plate 12, a top plate 13, a pressing rod 14, a blowing pipe 16, a supporting rod 17 and a working cylinder 18.
The bottom plate 2 is provided with a connecting rod positioning mechanism for fixing the connecting rod body and the connecting rod cover and a boring machine for boring a big head hole of the connecting rod, and the boring machine is provided with a boring cutter head 1.
The boring machine and the connecting rod positioning mechanism are arranged oppositely, and specific examples of the connecting rod positioning mechanism are described in detail below with reference to the attached drawings.
The sliding plate 3 is movably arranged on the bottom plate 2, a guide rail for the sliding plate to move along the axial direction of the boring cutter head is arranged on the bottom plate, a working cylinder or a motor for driving the sliding plate to move is arranged on the bottom plate, the sliding plate is arranged on the guide rail, and the sliding plate is connected with a piston rod of the working cylinder; after the connecting rod body and the connecting rod cover are simultaneously positioned through the connecting rod positioning mechanism, the working cylinder drives the sliding plate to move relative to the boring cutter head.
The supporting plate 4 and the fixing plate 7 are fixed on the sliding plate side by side, a certain gap is formed between the supporting plate and the fixing plate, the baffle is arranged on the fixing plate and is positioned between the fixing plate and the boring cutter head, and the baffle 12 is provided with an avoiding through hole 15 corresponding to the boring cutter head.
The hydraulic cylinder 5 is arranged on the supporting plate 4, the fixing plate is located between the hydraulic cylinder and the baffle, the corresponding avoiding through hole in the fixing plate is provided with a movable pressing block 11 used for pressing the big end of the connecting rod body and the connecting rod cover on the baffle, and the movable pressing block 11 is arranged corresponding to the piston head 6 of the hydraulic cylinder. The movable pressing block can be driven by the hydraulic cylinder to press the big end of the connecting rod body and the connecting rod cover on the baffle, and the big end hole parts of the connecting rod body and the connecting rod cover which are combined together through the boring cutter head are synchronously processed.
Alternatively, the support plate 4 is bolted to the fixed plate and the baffle plate 12 is directly fixed to the sliding plate, rotating as required at the production site.
A connecting rod small-end positioning column 10 is arranged on the fixing plate 7 close to the boring cutter head side, and a small-end hole in the connecting rod body is directly sleeved on the connecting rod small-end positioning column for positioning, so that the accuracy of mounting and positioning is guaranteed.
The connecting rod small-end positioning column 10 comprises a sleeve, a pressing plate and a positioning bolt, and the sleeve is detachably arranged on the fixing plate through the pressing plate and the positioning bolt. The outer diameter of the sleeve can be changed according to different types of connecting rods, and the connecting rods of different types can be machined.
The top of the fixed plate 7 is provided with a top plate 13, and the baffle plate can be fixed on the fixed plate through the top plate; or the baffle is arranged on the fixed plate through a bolt, a cushion cylinder is sleeved on the bolt part between the baffle and the fixed plate, and the gap between the fixed plate and the baffle is adjusted by replacing different cushion cylinders so as to meet the processing requirements of connecting rods of different models.
Be equipped with the depression bar 14 that is used for compressing tightly the connecting rod lid on the roof 13, be equipped with the screw hole on the roof, the depression bar includes handle and threaded rod two parts, and the threaded rod is established in the screw hole of roof, and the top at the threaded rod is established to the handle, compresses tightly the connecting rod lid on the connecting rod body through the depression bar, guarantees the cooperation effect between connecting rod body and the connecting rod lid to the depression bar can be adjusted from top to bottom and adapt to the connecting rod of different models.
The fixed plate 7 is provided with a through hole corresponding to the boring cutter head, the movable pressing block 11 is connected with the 9 ejector blocks, the movable pressing block and the ejector blocks are connected through connecting columns, and the pressing block and the ejector blocks are of circular ring structures or are combined into a circular ring structure by two semicircular rings. Thereby the central hole of briquetting and kicking block dodges the bore hole tool bit.
The movable pressing block and the top block are arranged in the through hole of the fixed plate together, and the top block is opposite to the piston head. The connecting column penetrates through a guide hole formed in the fixing plate, and a spring is sleeved on the connecting column part between the top block and the fixing plate. The top block is provided with a group of top columns 8 corresponding to the piston heads.
The hydraulic cylinder drives the ejector block and the pressing block to tightly press and position the connecting rod body and the connecting rod cover on the baffle plate, and drives the sliding plate to slide, so that the large-end hole machining of the connecting rod body and the connecting rod cover which are combined together by the boring cutter head is realized; and an air blowing pipe 16 used for blowing the scrap iron is arranged on the baffle 12 corresponding to the avoiding through hole, the air blowing pipe is arranged on a support rod 17 on the baffle, and the support rod 17 can be rotatably adjusted, so that the air blowing angle of the air blowing pipe is adjusted, and the processing quality is ensured.
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 (7)
1. The utility model provides a whole processingequipment in connecting rod major part hole, includes bore hole tool bit and connecting rod positioning mechanism, its characterized in that: the boring cutter is characterized by also comprising a bottom plate and a working cylinder for driving the connecting rod positioning mechanism to move relative to the boring cutter head, wherein the connecting rod positioning mechanism and the working cylinder are both arranged on the bottom plate, and the connecting rod positioning mechanism is connected with a piston rod of the working cylinder; the connecting rod positioning mechanism comprises a hydraulic cylinder, a fixing plate and a baffle plate, the baffle plate is arranged between the fixing plate and a boring cutter head, an avoidance through hole is formed in the baffle plate corresponding to the boring cutter head, the fixing plate is located between the hydraulic cylinder and the baffle plate, a movable pressing block used for pressing the big end of the connecting rod body and the connecting rod cover on the baffle plate is arranged in the fixing plate corresponding to the avoidance through hole, and the movable pressing block is arranged corresponding to the piston head of the hydraulic cylinder; an air blowing pipe for blowing scrap iron is arranged on the baffle corresponding to the avoiding through hole;
the hydraulic cylinder and the baffle plate are arranged on the fixed plate or arranged on the sliding plate through the supporting plate, and the fixed plate, the supporting plate and the baffle plate are arranged on the sliding plate;
and a connecting rod small-head positioning column is arranged on the fixed plate close to the boring cutter head side.
2. The integral machining device for the big end hole of the connecting rod as claimed in claim 1, wherein: the top of the fixed plate is provided with a top plate, and the top plate is provided with a pressing rod for pressing the connecting rod cover.
3. The integral machining device for the big end hole of the connecting rod as claimed in claim 1, wherein: the fixed plate is provided with a through hole corresponding to the boring cutter head, the movable pressing block is connected with the ejecting block, the movable pressing block and the ejecting block are arranged in the through hole of the fixed plate together, and the ejecting block is opposite to the piston head.
4. The integral machining device for the big end hole of the connecting rod as claimed in claim 1, wherein: the baffle is arranged on the fixing plate through a bolt, and a cushion cylinder is sleeved on the bolt part between the baffle and the fixing plate.
5. The integral machining device for the big end hole of the connecting rod as claimed in claim 1, wherein: and the bottom plate is provided with a guide rail for the sliding plate to move along the axial direction of the boring cutter head.
6. The integral machining device for the big end hole of the connecting rod as claimed in claim 1, wherein: the connecting rod small-end positioning column comprises a sleeve, a pressing plate and a positioning bolt, and the sleeve is detachably arranged on the fixing plate through the pressing plate and the positioning bolt.
7. The integral processing device for the big end hole of the connecting rod as claimed in claim 3, wherein: a connecting column is arranged between the pressing block and the ejector block, penetrates through a guide hole formed in the fixed plate, and a spring is sleeved on the connecting column part between the ejector block and the fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711047348.6A CN107876821B (en) | 2017-10-31 | 2017-10-31 | Integral machining device for big end hole of connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711047348.6A CN107876821B (en) | 2017-10-31 | 2017-10-31 | Integral machining device for big end hole of connecting rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107876821A CN107876821A (en) | 2018-04-06 |
| CN107876821B true CN107876821B (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711047348.6A Active CN107876821B (en) | 2017-10-31 | 2017-10-31 | Integral machining device for big end hole of connecting rod |
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| CN (1) | CN107876821B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112620699B (en) * | 2020-12-09 | 2024-09-10 | 芜湖航天汽车连杆有限公司 | Machining method for automobile connecting rod hole |
| CN112620805A (en) * | 2020-12-09 | 2021-04-09 | 芜湖航天汽车连杆有限公司 | Chamfering processing method for big end hole of connecting rod |
| CN112620806A (en) * | 2020-12-09 | 2021-04-09 | 芜湖航天汽车连杆有限公司 | Engine connecting rod big end hole chamfer processingequipment |
| CN112620700B (en) * | 2020-12-09 | 2024-07-23 | 芜湖航天汽车连杆有限公司 | Automobile connecting rod hole machining device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201871956U (en) * | 2010-09-30 | 2011-06-22 | 芜湖航天汽车连杆有限公司 | Three-way positioning tool clamp for machining small end of connecting rod |
| CN202411888U (en) * | 2011-12-30 | 2012-09-05 | 青岛德盛机械制造有限公司 | Fixing tooling of connecting rod |
| CN202861491U (en) * | 2012-10-19 | 2013-04-10 | 乳山市黄海汽车配件有限公司 | Connecting rod milling locking joint device |
| CN203343770U (en) * | 2013-07-03 | 2013-12-18 | 芜湖航天汽车连杆有限公司 | Connecting rod big end hole fine boring clamp |
| JP2014046378A (en) * | 2012-08-29 | 2014-03-17 | Toyota Motor Corp | Work fixing device and work fixing method |
| JP5691441B2 (en) * | 2010-11-26 | 2015-04-01 | トヨタ自動車株式会社 | Clamping device |
| CN206276942U (en) * | 2016-12-21 | 2017-06-27 | 重庆昌跃机电制造有限公司 | For the boring machine of crankshaft-link rod production |
-
2017
- 2017-10-31 CN CN201711047348.6A patent/CN107876821B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201871956U (en) * | 2010-09-30 | 2011-06-22 | 芜湖航天汽车连杆有限公司 | Three-way positioning tool clamp for machining small end of connecting rod |
| JP5691441B2 (en) * | 2010-11-26 | 2015-04-01 | トヨタ自動車株式会社 | Clamping device |
| CN202411888U (en) * | 2011-12-30 | 2012-09-05 | 青岛德盛机械制造有限公司 | Fixing tooling of connecting rod |
| JP2014046378A (en) * | 2012-08-29 | 2014-03-17 | Toyota Motor Corp | Work fixing device and work fixing method |
| CN202861491U (en) * | 2012-10-19 | 2013-04-10 | 乳山市黄海汽车配件有限公司 | Connecting rod milling locking joint device |
| CN203343770U (en) * | 2013-07-03 | 2013-12-18 | 芜湖航天汽车连杆有限公司 | Connecting rod big end hole fine boring clamp |
| CN206276942U (en) * | 2016-12-21 | 2017-06-27 | 重庆昌跃机电制造有限公司 | For the boring machine of crankshaft-link rod production |
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| Publication number | Publication date |
|---|---|
| CN107876821A (en) | 2018-04-06 |
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