CN105290759A - Connecting rod copper sleeve press fitting device - Google Patents
Connecting rod copper sleeve press fitting device Download PDFInfo
- Publication number
- CN105290759A CN105290759A CN201510841890.3A CN201510841890A CN105290759A CN 105290759 A CN105290759 A CN 105290759A CN 201510841890 A CN201510841890 A CN 201510841890A CN 105290759 A CN105290759 A CN 105290759A
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- connecting rod
- pressure head
- diameter
- fixed
- support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a connecting rod copper sleeve press fitting device, and relates to the field of press fitting of connecting rod copper sleeves. The connecting rod copper sleeve press fitting device comprises a base, a support, an air cylinder and a pressing head. The support is fixed to the upper end of the base, a cantilever is fixed to the top end of the support, the air cylinder is fixed to the cantilever, and the pressing head is fixed to the air cylinder. A positioning table is arranged at the upper end of the base, the diameter of the positioning table is equal to that of a large-end hole of a connecting rod, and a boss is arranged at the position, between the positioning table and the support, of the base. A groove is formed in the boss, and a ladder-shaped positioning block is arranged in the groove, and a pressure spring is fixed to the position between the positioning block and the base. The diameter of the lower end of the positioning block is equal to that of a small-head hole of the connecting rod, and the diameter of the upper end of the positioning block is equal to the inner diameter of the copper sleeve. The pressing head is a ladder-shaped cylinder, and an annular baffle located on the outer side of the lower end of the pressing head is arranged at the ladder position of the pressing head. According to the scheme, copper sleeve deviation or crushing caused by connecting rod movement in the press fitting process can be prevented, secondary machining of the copper sleeve can be avoided, and the press fitting quality can be improved; and the utilization rate of the copper sleeve is improved, and the machining efficiency is improved.
Description
Technical field
The present invention relates to connecting rod small-end bearing and press-fit field, be specifically related to a kind of connecting rod small-end bearing press-loading apparatus.
Background technology
Connecting rod connects piston and bent axle in engine, and active force suffered by piston is passed to bent axle, the reciprocating motion of piston changed into the parts of the rotary motion of bent axle.Gonnecting rod body is made up of three parts, and the part be connected with piston pin claims small end of connecting rod; The part be connected with bent axle claims big end, and the bar portion connecting microcephaly and major part claims connecting rod shank.Small end of connecting rod mostly is thin-wall circular loop configuration, for reducing the wearing and tearing between piston pin, usually in little head bore, being pressed into thin wall copper sleeve and lubricating.In prior art, copper sheathing to be pressed in connecting rod small end hole normally workman manually to take connecting rod and copper sheathing the two is overlaped, to be crimped by press.Adopt aforesaid operations, press-fit precision controlling inaccurate, substandard product rate is high, and manual operation, and production cost is large, and efficiency is low.
Summary of the invention
The invention is intended to provide a kind of connecting rod small-end bearing press-loading apparatus, to improve press-fiting quality and press-fiting efficiency of connecting rod small-end bearing.
For achieving the above object, basic technology scheme of the present invention is as follows: connecting rod small-end bearing press-loading apparatus, comprise base, support, cylinder, pressure head, described support is fixed on base upper end, the top of support is fixed with horizontal cantilever, described cylinder is fixed on the free end of cantilever, and described pressure head is fixed on the output of cylinder.Described base upper end is provided with columniform positioning table away from the side of support, and the diameter of described positioning table and the equal diameters of crank pin end pore, the base between described positioning table and support is provided with boss.Described boss is provided with circular groove, slidably connects the locating piece in up-small and down-big stepped cylindrical shape, be fixed with stage clip between described locating piece and base in described groove.The described diameter of locating piece lower end and the equal diameters of connecting rod small end hole, the diameter of described locating piece upper end is equal with the internal diameter of copper sheathing.Described pressure head is lower little upper stepped cylinder greatly, and the diameter of described pressure head lower end is equal with the internal diameter of copper sheathing, and the diameter of pressure head upper end is greater than the external diameter of copper sheathing, and described pressure head ladder place is provided with the baffle plate of the annular being positioned at pressure head lower end outside.
Principle and the advantage of this programme are: during operation, are socketed on positioning table by the stub end of connecting rod, and the lower end little head end of connecting rod being socketed in locating piece makes connecting rod be that level is fixed.Copper sheathing is socketed in the upper end of locating piece, start cylinder and pressure head is compressed downwards, the lower end of pressure head is stretched in copper sheathing, and the ladder place of pressure head and baffle plate carry out spacing to the top of copper sheathing.Pressure head presses down and is pressed in the little head bore of connecting rod by copper sheathing, and locating piece is pressed in groove by the lower end of copper sheathing.Press-fit the upper end of locating piece and the lower end of pressure head in process lead to copper sheathing and support, make copper sheathing press-fit in process the distortion that can not curve inwardly, make the copper sheathing interior walls be smooth degree after press-fiting better.Arrange positioning table, boss and locating piece to position connecting rod, prevent from press-fiting connecting rod in process move cause copper sheathing offset or damaged by pressure, improve and press-fit quality.Pressure head arranges baffle plate; by baffle plate and pressure head, position limitation protection is carried out to the top of copper sheathing; the top preventing from press-fiting copper sheathing in process produces circumferential deformation and causes copper sheathing can not be pressed into the little head bore of connecting rod completely; avoid the secondary operations to copper sheathing; improve the utilization ratio of copper sheathing, improve working (machining) efficiency.
Preferred version one, based on the one of scheme improve, the inside, upper end of described pressure head is provided with cavity, is provided with slide plate in cavity, extends downwards and form the baffle plate of ring-type in the bottom of described slide plate, described baffle plate through pressure head cascaded surface and be positioned at the outside of pressure head lower end.Such setting makes pressure head baffle plate when the top of press mounting copper can upwards shrink in cavity, can not impact press-fiting of copper sheathing.
Preferred version two, preferably the one of is improved, and is provided with back-moving spring between the top of described slide plate and pressure head.Arranging back-moving spring makes baffle plate can automatically reset after cavity shrinking, and conveniently press-fits next time.
Preferred version three, preferably the one of two is improved, and the height of described boss is equal with the thickness difference at the large and small two of connecting rod.Be arranged through the thickness difference that the large and small two of connecting rod filled up by boss like this, enable connecting rod maintenance level on base, for vertically vertically to press-fit when making copper sheathing pressure-mounting, convenient when press-fiting, press-fit better effects if.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference numeral in Figure of description comprises: base 1, support 2, cantilever 3, cylinder 4, pressure head 5, baffle plate 6, locating piece 7, boss 8, connecting rod 9, positioning table 10.
Embodiment is substantially as shown in Figure 1: connecting rod small-end bearing press-loading apparatus, comprises base 1, support 2, cylinder 4, pressure head 5.Described base 1 is rectangle, and described support 2 is fixed on the right side of base 1 upper end, and the top of support 2 is fixed with horizontal cantilever 3, and described cylinder 4 output is fixed on the free end of cantilever 3 down, and described pressure head 5 is fixed on the output of cylinder 4.Described base 1 upper end raises up away from one end of support 2 and forms columniform positioning table 10, the diameter of described positioning table 10 and the equal diameters of connecting rod 9 big end hole.Base 1 between described positioning table 10 and support 2 is provided with boss 8, and the height of boss 8 is equal with the one-sided thickness difference at the large and small two of connecting rod 9.Described boss 8 is provided with circular groove, and slidably connect columniform locating piece 7 in described groove, the bottom of described locating piece 7 is fixed with stage clip, and the other end of described stage clip is fixed on bottom portion of groove.Described locating piece 7 is up-small and down-big stepped, and the diameter of described locating piece 7 lower end and the equal diameters of the little head bore of connecting rod 9, the diameter of described locating piece 7 upper end is equal with the internal diameter of copper sheathing.Described pressure head 5 is lower little upper stepped cylinder greatly, and the diameter of described pressure head 5 lower end is equal with the internal diameter of copper sheathing, and the diameter of described pressure head 5 upper end is greater than the external diameter of copper sheathing.The inside, upper end of described pressure head 5 is provided with cavity, is provided with slide plate in cavity, is provided with back-moving spring between the top of slide plate and pressure head 5.Extend downwards and form the baffle plate 6 of ring-type in the bottom of described slide plate, described baffle plate 6 through pressure head 5 cascaded surface and be positioned at the outside of pressure head 5 lower end.
In the present embodiment, during operation, the stub end of connecting rod 9 is socketed on positioning table 10, the lower end little head end of connecting rod 9 being socketed in locating piece 7 makes connecting rod 9 fix in level.Copper sheathing is socketed in the upper end of locating piece 7, start cylinder 4 and pressure head 5 is compressed downwards, the lower end of pressure head 5 is stretched in copper sheathing, and the ladder place of pressure head 5 and the top of baffle plate 6 pairs of copper sheathings are carried out spacing.Pressure head 5 presses down and is pressed in the little head bore of connecting rod 9 by copper sheathing, and locating piece 7 is pressed in groove by the lower end of copper sheathing.Leading to copper sheathing and support in the lower end of the upper end and pressure head 5 that press-fit locating piece 7 in process, makes copper sheathing press-fit in process the distortion that can not curve inwardly, and makes the copper sheathing interior walls be smooth degree after press-fiting better.Filled up the thickness difference at the large and small two of connecting rod 9 by boss 8, make connecting rod 9 can on base 1 maintenance level, for vertically vertically to press-fit when making copper sheathing pressure-mounting, convenient when press-fiting, press-fit better effects if.Arrange positioning table 10, boss 8 and locating piece 7 to position connecting rod 9, prevent from press-fiting connecting rod 9 in process move cause copper sheathing offset or damaged by pressure, improve and press-fit quality.Pressure head 5 arranges baffle plate 6; position limitation protection is carried out by the top of baffle plate 6 and pressure head 5 pairs of copper sheathings; the top preventing from press-fiting copper sheathing in process produces circumferential deformation and causes copper sheathing can not be pressed into the little head bore of connecting rod 9 completely; avoid the secondary operations to copper sheathing; improve the utilization ratio of copper sheathing, improve working (machining) efficiency.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and/or characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. record the content that may be used for explaining claim.
Claims (4)
1. connecting rod small-end bearing press-loading apparatus, comprises base, support, cylinder, pressure head, and described support is fixed on base upper end, and the top of support is fixed with horizontal cantilever, and described cylinder is fixed on the free end of cantilever, and described pressure head is fixed on the output of cylinder; It is characterized in that, described base upper end is provided with columniform positioning table away from the side of support, the diameter of described positioning table and the equal diameters of crank pin end pore, and the base between described positioning table and support is provided with boss; Described boss is provided with circular groove, slidably connects the locating piece in up-small and down-big stepped cylindrical shape, be fixed with stage clip between described locating piece and base in described groove; The described diameter of locating piece lower end and the equal diameters of connecting rod small end hole, the diameter of described locating piece upper end is equal with the internal diameter of copper sheathing; Described pressure head is lower little upper stepped cylinder greatly, and the diameter of described pressure head lower end is equal with the internal diameter of copper sheathing, and the diameter of pressure head upper end is greater than the external diameter of copper sheathing, and described pressure head ladder place is provided with the baffle plate of the annular being positioned at pressure head lower end outside.
2. connecting rod small-end bearing press-loading apparatus according to claim 1, is characterized in that: the inside, upper end of described pressure head is provided with cavity, is provided with slide plate in cavity, is provided with back-moving spring between the top of slide plate and pressure head.
3. connecting rod small-end bearing press-loading apparatus according to claim 2, is characterized in that: extend downwards and form the baffle plate of ring-type in the bottom of described slide plate, described baffle plate through pressure head cascaded surface and be positioned at the outside of pressure head lower end.
4. connecting rod small-end bearing press-loading apparatus according to claim 3, is characterized in that: the height of described boss is equal with the thickness difference at the large and small two of connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510841890.3A CN105290759B (en) | 2015-11-28 | 2015-11-28 | Connecting rod small-end bearing press-loading apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510841890.3A CN105290759B (en) | 2015-11-28 | 2015-11-28 | Connecting rod small-end bearing press-loading apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105290759A true CN105290759A (en) | 2016-02-03 |
| CN105290759B CN105290759B (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510841890.3A Active CN105290759B (en) | 2015-11-28 | 2015-11-28 | Connecting rod small-end bearing press-loading apparatus |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106956122A (en) * | 2017-04-27 | 2017-07-18 | 苏州工业职业技术学院 | A kind of automatic piston pin assembly machine |
| CN107131085A (en) * | 2017-04-28 | 2017-09-05 | 大唐岩滩水力发电有限责任公司 | The installation equipment and its installation method of the hydraulic turbine double link copper back of the body watt |
| CN107717852A (en) * | 2017-10-27 | 2018-02-23 | 芜湖航天汽车连杆有限公司 | Automobile connecting bar major part terminal bolt installation method |
| CN107738089A (en) * | 2017-11-10 | 2018-02-27 | 丹阳市鑫泰医疗器材有限公司 | A kind of walk help dolly front foot pipe nut press |
| CN108000110A (en) * | 2017-12-29 | 2018-05-08 | 重庆天运汽车配件有限公司 | The copper sheathing pressure-mounting device of connecting rod small end of engine |
| CN109664114A (en) * | 2019-01-29 | 2019-04-23 | 佛山市南海区辰丰机械有限公司 | Auto_mosaicking copper sheathing workbench and technique |
| CN110405444A (en) * | 2018-04-27 | 2019-11-05 | 湖北江山专用汽车有限公司 | A kind of guiding device that oil cylinder head press fitting brass is applied |
| CN111805205A (en) * | 2020-07-07 | 2020-10-23 | 东风本田汽车零部件有限公司 | Automatic press-in device for connecting rod copper sleeve |
| CN118046209A (en) * | 2024-04-16 | 2024-05-17 | 成都航利航空科技有限责任公司 | Anti-interference precise positioning reciprocating type assembly tool and assembly method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202491057U (en) * | 2012-03-20 | 2012-10-17 | 乳山市黄海汽车配件有限公司 | Connecting rod bushing assembly equipment |
| CN102729034A (en) * | 2012-07-23 | 2012-10-17 | 江苏松林汽车零部件有限公司 | Wedged connecting rod bushing press fitting positioning mechanism |
| CN203579125U (en) * | 2013-09-25 | 2014-05-07 | 常州新区金康精工机械有限公司 | Multi-station shaft pressing machine |
| CN203726106U (en) * | 2014-03-17 | 2014-07-23 | 重庆高金实业有限公司 | Connecting rod bush press fitting die |
| CN205271344U (en) * | 2015-11-28 | 2016-06-01 | 重庆元创自动化设备有限公司 | Connecting rod copper sheathing pressure equipment device |
-
2015
- 2015-11-28 CN CN201510841890.3A patent/CN105290759B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202491057U (en) * | 2012-03-20 | 2012-10-17 | 乳山市黄海汽车配件有限公司 | Connecting rod bushing assembly equipment |
| CN102729034A (en) * | 2012-07-23 | 2012-10-17 | 江苏松林汽车零部件有限公司 | Wedged connecting rod bushing press fitting positioning mechanism |
| CN203579125U (en) * | 2013-09-25 | 2014-05-07 | 常州新区金康精工机械有限公司 | Multi-station shaft pressing machine |
| CN203726106U (en) * | 2014-03-17 | 2014-07-23 | 重庆高金实业有限公司 | Connecting rod bush press fitting die |
| CN205271344U (en) * | 2015-11-28 | 2016-06-01 | 重庆元创自动化设备有限公司 | Connecting rod copper sheathing pressure equipment device |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106956122A (en) * | 2017-04-27 | 2017-07-18 | 苏州工业职业技术学院 | A kind of automatic piston pin assembly machine |
| CN107131085A (en) * | 2017-04-28 | 2017-09-05 | 大唐岩滩水力发电有限责任公司 | The installation equipment and its installation method of the hydraulic turbine double link copper back of the body watt |
| CN107131085B (en) * | 2017-04-28 | 2024-04-12 | 大唐岩滩水力发电有限责任公司 | Installation equipment and installation method for double-connecting-rod copper back tile of water turbine |
| CN107717852A (en) * | 2017-10-27 | 2018-02-23 | 芜湖航天汽车连杆有限公司 | Automobile connecting bar major part terminal bolt installation method |
| CN107738089A (en) * | 2017-11-10 | 2018-02-27 | 丹阳市鑫泰医疗器材有限公司 | A kind of walk help dolly front foot pipe nut press |
| CN108000110A (en) * | 2017-12-29 | 2018-05-08 | 重庆天运汽车配件有限公司 | The copper sheathing pressure-mounting device of connecting rod small end of engine |
| CN110405444A (en) * | 2018-04-27 | 2019-11-05 | 湖北江山专用汽车有限公司 | A kind of guiding device that oil cylinder head press fitting brass is applied |
| CN109664114A (en) * | 2019-01-29 | 2019-04-23 | 佛山市南海区辰丰机械有限公司 | Auto_mosaicking copper sheathing workbench and technique |
| CN111805205A (en) * | 2020-07-07 | 2020-10-23 | 东风本田汽车零部件有限公司 | Automatic press-in device for connecting rod copper sleeve |
| CN118046209A (en) * | 2024-04-16 | 2024-05-17 | 成都航利航空科技有限责任公司 | Anti-interference precise positioning reciprocating type assembly tool and assembly method |
Also Published As
| Publication number | Publication date |
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| CN105290759B (en) | 2018-03-20 |
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