CN103495886A - Connecting rod fine boring fixture - Google Patents

Connecting rod fine boring fixture Download PDF

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Publication number
CN103495886A
CN103495886A CN201310453744.4A CN201310453744A CN103495886A CN 103495886 A CN103495886 A CN 103495886A CN 201310453744 A CN201310453744 A CN 201310453744A CN 103495886 A CN103495886 A CN 103495886A
Authority
CN
China
Prior art keywords
board
positioning
pin
rod
conehead
Prior art date
Application number
CN201310453744.4A
Other languages
Chinese (zh)
Other versions
CN103495886B (en
Inventor
叶显旺
Original Assignee
柳州明宇机械有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 柳州明宇机械有限公司 filed Critical 柳州明宇机械有限公司
Priority to CN201310453744.4A priority Critical patent/CN103495886B/en
Publication of CN103495886A publication Critical patent/CN103495886A/en
Application granted granted Critical
Publication of CN103495886B publication Critical patent/CN103495886B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices 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
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material

Abstract

The invention discloses a connecting rod fine boring fixture, and relates to the technical field of machining process devices. The connecting rod fine boring fixture comprises a fixture body provided with a supporting plate portion, wherein a large head positioning device and a positioning mandrel are arranged on the supporting plate portion, a pressing device is arranged close to the large head positioning device, a conical head supporting device and a V-shaped supporting device are arranged on the upper side of the positioning mandrel and the lower side of the positioning mandrel respectively, the conical head supporting device comprises a butt strap which is arranged at the upper end of the supporting plate portion, and a pin sleeve which is arranged on the butt strap in a penetrating mode and provided with a limiting hole, a pressing screw with the upper portion extending out of the upper end face of the pin sleeve of the conical head supporting pin and a conical head supporting pin which is connected with the pressing screw in a butt joint mode are sequentially connected to the pin sleeve from top to bottom, the conical head supporting pin is clamped in the limiting hole of the pin sleeve through a first spring, and the lower portion of the conical head supporting pin extends out of the lower end face of the pin sleeve of the conical head supporting pin. Compared with the prior art, the connecting rod fine boring fixture has the advantages that the pressing screw drives the conical head supporting pin to move up and down, and therefore the influences of small force generated in the tangential direction of the pressing screw and thread fit clearance on clamping accuracy and positioning accuracy are eliminated.

Description

The connecting rod fixture for fine boring

Technical field

The present invention relates to mechanical processing technique equipment manufacturing technology field, especially a kind of boring jig for right boring is carried out in large and small hole of connecting rod.

Background technology

Large and small hole operation of right boring connecting rod is one of critical process of processing connecting rod, is to determine the dimensional accuracy in large and small hole of connecting rod and the assurance whether positional precision reaches designing requirement; Usually when right boring is carried out in large and small hole of connecting rod, must adopt a kind of fixture to position clamping to connecting rod.Existing a kind of connecting rod fixture for fine boring, this connecting rod fixture for fine boring comprises the clamp body that props up board that is provided with seat board section and links with this seat board section, be fixed with the major part positioner and be movably equipped with positioning core axle on described board, described board is provided with hold down gag at nearly described major part positioner place, is respectively equipped with conehead supporting arrangement and v-shaped bearing device in the above and below of described positioning core axle; Described conehead supporting arrangement comprises the attachment strap that is positioned at described positioning core axle top, on described attachment strap, by screw thread, is coated with housing screw, and the lower end of described housing screw is provided with one section cone.In use there is following deficiency in this connecting rod fixture for fine boring: while 1, small end of connecting rod section being carried out to auxiliary clamp, tighten housing screw and can produce the power of a trace in the tangential direction of housing screw, make small end of connecting rod section produce micro-strain, complete bore hole and unload deformation resilience after lower link, the precision of processing will decrease; 2, due to housing screw and attachment strap, be threaded connection, there is certain gap in the internal and external threads cooperation, affect the accurate of connecting rod location and processing, especially large on the impact of the depth of parallelism between connecting rod concentric reducer hole, between connecting rod concentric reducer hole, the parallelism precision qualification rate is 75%.

Summary of the invention

Technical problem to be solved by this invention is to provide and a kind ofly prevents that small end of connecting rod section from producing micro-strain, accurate positioning, the connecting rod fixture for fine boring that the bore hole precision is high.

In order to address the above problem, the technical solution used in the present invention is: this connecting rod fixture for fine boring, comprise the clamp body that is provided with a board, be fixed with the major part positioner and be movably equipped with positioning core axle on described board, described board is provided with hold down gag at nearly described major part positioner place, be respectively equipped with conehead supporting arrangement and v-shaped bearing device in the upper and lower both sides of described positioning core axle, described conehead supporting arrangement comprises the attachment strap that is located at described board upper end and is installed on the guide that is provided with spacing hole on described attachment strap, described guide is connected with successively from top to down top and stretches out the housing screw of its guide upper surface and the conehead fulcrum post connected with described housing screw, described conehead fulcrum post is contained on the spacing hole of described guide by the first Spring Card be set with thereon, the lower surface of its guide is stretched out in the bottom of described conehead fulcrum post.

In above-mentioned connecting rod fixture for fine boring technical scheme, technical scheme can also be more specifically: described major part positioner comprises the major part supporting and supports the positioning support of lower end cut-grafting with described major part, is provided with side and determines piece on described positioning support.

Further, described hold down gag comprises the pressing plate be connected with described board with bearing pin by push rod, and the upper end of described pressing plate is provided with the groove of U-shaped, in described groove, is provided with pressure ring, and described pressure ring is positioned at the top that described side is determined piece; Be provided with the pull bar that installed its sidewall and described board at the middle part of described pressing plate, described pull bar is set with the second spring on one section body of rod between described pressing plate and described board; The end that described pull bar stretches out described board is equipped with threaded block and is sleeved on the nut on described threaded block, and a side of described nut is provided with stop nut, on described nut, handle is housed.

Further, described v-shaped bearing device comprises that upper articulation has V-block, and bottom is provided with the V-block pin of positioning table; Described V-block pin is fixed on described board by upper bracket, and described V-block pin is set with the 3rd spring on one section shank between its positioning table and described upper bracket; Be provided with the lower conehead fulcrum post that the lower surface with described positioning table connects below described V-block pin, described lower conehead fulcrum post is connected with lower supporting frame by screw thread, and described lower supporting frame is fixed on described board.

Owing to having adopted technique scheme, the present invention compared with prior art has following beneficial effect:

1, propping up the board upper end is provided with attachment strap and is installed on the guide that is provided with spacing hole on attachment strap, guide is connected with housing screw and conehead fulcrum post from top to down successively, the conehead fulcrum post is contained on the spacing hole of guide by the first Spring Card be set with thereon, and the lower surface of its guide is stretched out in the bottom of conehead fulcrum post.Rotate housing screw drive conehead fulcrum post and move down the compression small end of connecting rod, during the housing screw convolution, make conehead fulcrum post return under the effect of spring, the conehead fulcrum post is only made upper and lower rectilinear motion, has eliminated that tangential direction at housing screw produces micro-power and Screw Thread Fit Clearance affects accurately on clamping position.

2, between connecting rod concentric reducer hole, the parallelism precision qualification rate reaches more than 90%, has improved approximately 15%.

The accompanying drawing explanation

Fig. 1 is the structural representation of the connecting rod of the embodiment of the present invention.

Fig. 2 is the structural representation of the embodiment of the present invention.

Fig. 3 is the cutaway view of the A-A place of Fig. 2.

Fig. 4 is the cutaway view of the B-B place of Fig. 2.

The specific embodiment

Below in conjunction with accompanying drawing embodiment, the invention will be further described:

Be illustrated in figure 1 the present embodiment and need the connecting rod of clamping position, the hole that big end hole 29 of connecting rod and microcephaly hole 28 need to carry out right boring.

As Fig. 2, Fig. 3, a kind of connecting rod fixture for fine boring shown in Fig. 4, comprise the clamp body 1 with board, on board, the major part positioner fixedly is housed and positioning core axle 11 is equipped with in activity, positioning core axle 11 is installed on a board by location guide pin bushing 10, prop up board, at nearly major part positioner place, hold down gag is housed, both sides conehead supporting arrangement and v-shaped bearing device are housed respectively at positioning core axle Shang Xia 11, the conehead supporting arrangement comprises the attachment strap 6 that is contained in a board upper end and is installed on the guide with spacing hole 8 on attachment strap 6, guide 8 connects the housing screw 7 that stretches out its guide 8 upper surfaces in top and the conehead fulcrum post 9 connected with housing screw 7 is housed successively from top to down, conehead fulcrum post 9 is installed on the spacing hole of guide 8 by the first spring 27 be set with thereon, the lower surface of its guide 8 is stretched out in the bottom of conehead fulcrum post 9, the major part positioner comprises the major part supporting 5 be fixed by bolts on board and supports the positioning support 2 of 5 lower end cut-graftings with major part, and side is housed on positioning support 2 and determine piece 25, positioning support 2 is fixed by bolts to and props up on board.

Hold down gag comprises the pressing plate 3 be connected with a board with bearing pin 20 by push rod 19, pressing plate 3 is hinged by bearing pin 20 and push rod 19, and push rod 19 is through propping up board and fixing by nut, and the upper end of pressing plate 3 has the groove of U-shaped, pressure ring 4 is housed in groove, and pressure ring 4 is positioned at the top that side is determined piece 25; The pull bar 18 that installed its sidewall and a board is housed at the middle part of pressing plate 3, and pull bar 18 is set with the second spring 26 on one section body of rod between pressing plate 3 and a board; The end that pull bar 18 stretches out a board is equipped with threaded block 23 and is sleeved on the nut 22 on threaded block 23, and a side of nut 22 is equipped with cushion block and two stop nuts 21, and handle 24 is housed on nut 22.

The v-shaped bearing device comprises that upper articulation has V-block 12, and bottom has the V-block pin 13 of positioning table; V-block pin 13 is fixed on a board by upper bracket 14, one side of V-block pin 13 has one section groove vertically, the position corresponding with the groove of V-block pin 13 at upper bracket 14 is processed with screwed hole, the screw stretched in groove is housed in screwed hole, and V-block pin 13 is set with the 3rd spring 15 on one section shank between its positioning table and upper bracket 14; The lower conehead fulcrum post 16 that lower surface with its positioning table connects is housed below V-block pin 13, and lower conehead fulcrum post 16 is connected with lower supporting frame 17 by screw thread, and lower supporting frame 17 is fixed on a board.

During work, connecting rod small end hole 28 is enclosed within on location mandril 11, the side of big end is placed on side and determines on piece 25, end face is adjacent to major part supporting 5, pulling handle 24 makes nut 22 move towards stop nut 21 directions, drive pull bar 18 and move in the same way, by pull bar 18, pull pressing plate 3 and pressure ring 4 to compress the end face of big end; Rotate lower conehead fulcrum post 16 by V-block pin 13 jack-up upwards, by V-block pin 13, make V-block 12 hold out against the lower end of small end of connecting rod; Rotate housing screw 7 promotion conehead fulcrum posts 9 and move down, compress the upper end of small end of connecting rod, exit location mandril 11, simultaneously right boring connecting rod small end hole 28 and big end hole 29.

Claims (4)

1. a connecting rod fixture for fine boring, comprise the clamp body (1) that is provided with a board, be fixed with the major part positioner and be movably equipped with positioning core axle (11) on described board, described board is provided with hold down gag at nearly described major part positioner place, be respectively equipped with conehead supporting arrangement and v-shaped bearing device in the upper and lower both sides of described positioning core axle (11), it is characterized in that: described conehead supporting arrangement comprises the attachment strap (6) that is located at described board upper end and is installed on the guide that is provided with spacing hole (8) on described attachment strap (6), described guide (8) is connected with successively from top to down top and stretches out the housing screw (7) of its guide (8) upper surface and the conehead fulcrum post (9) connected with described housing screw (7), described conehead fulcrum post (9) is installed on the spacing hole of described guide (8) by the first spring (27) be set with thereon, the lower surface of its guide (8) is stretched out in the bottom of described conehead fulcrum post (9).
2. connecting rod fixture for fine boring according to claim 1, it is characterized in that: described major part positioner comprises major part supporting (5) and supports the positioning support (2) of (5) lower end cut-grafting with described major part, is provided with side and determines piece (25) on described positioning support (2).
3. connecting rod fixture for fine boring according to claim 1 and 2, it is characterized in that: described hold down gag comprises the pressing plate (3) be connected with described board with bearing pin (20) by push rod (19), the upper end of described pressing plate (3) is provided with the groove of U-shaped, be provided with pressure ring (4) in described groove, described pressure ring (4) is positioned at the top that described side is determined piece (25); Be provided with the pull bar (18) that installed its sidewall and described board at the middle part of described pressing plate (3), described pull bar (18) is set with the second spring (26) on one section body of rod between described pressing plate (3) and described board; The end that described pull bar (18) stretches out described board is equipped with threaded block (23) and is sleeved on the nut (22) on described threaded block (23), one side of described nut (22) is provided with stop nut (21), and handle (24) is housed on described nut (22).
4. connecting rod fixture for fine boring according to claim 3, it is characterized in that: described v-shaped bearing device comprises that upper articulation has V-block (12), and bottom is provided with the V-block pin (13) of positioning table; Described V-block pin (13) is fixed on described board by upper bracket (14), and described V-block pin (13) is set with the 3rd spring (15) on one section shank between its positioning table and described upper bracket (14); Be provided with the lower conehead fulcrum post (16) that the lower surface with described positioning table connects in described V-block pin (13) below, described lower conehead fulcrum post (16) is connected with lower supporting frame (17) by screw thread, and described lower supporting frame (17) is fixed on described board.
CN201310453744.4A 2013-09-29 2013-09-29 Connecting rod fixture for fine boring CN103495886B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310453744.4A CN103495886B (en) 2013-09-29 2013-09-29 Connecting rod fixture for fine boring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310453744.4A CN103495886B (en) 2013-09-29 2013-09-29 Connecting rod fixture for fine boring

Publications (2)

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CN103495886A true CN103495886A (en) 2014-01-08
CN103495886B CN103495886B (en) 2016-09-14

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Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104043994A (en) * 2014-06-20 2014-09-17 蒋彩英 Clamp used for machining
CN104999311A (en) * 2015-08-04 2015-10-28 重庆山青机械制造有限公司 Quick clamping system for reverse gear shifting cantilevers
CN104999312A (en) * 2015-08-04 2015-10-28 重庆山青机械制造有限公司 Double-station reverse gear shifting cantilever fixture
CN104999310A (en) * 2015-08-04 2015-10-28 重庆山青机械制造有限公司 Milling fixture for reverse gear shifting cantilevers
CN104999273A (en) * 2015-08-04 2015-10-28 重庆山青机械制造有限公司 Reverse gear shifting cantilever combined clamping mechanism applied to vertical machining center
CN105033712A (en) * 2015-08-04 2015-11-11 重庆山青机械制造有限公司 Clamp for end face milling of reverse-gear shifting cantilevers in machining center
CN105033713A (en) * 2015-08-04 2015-11-11 重庆山青机械制造有限公司 Clamp for milling of reverse-gear shifting cantilevers
CN105058117A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 Side-by-side type clamp for end surface milling of reverse and shift gear cantilevers
CN105058114A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 Four-station clamping mechanism for end face milling of gear reversing and gear shifting cantilevers
CN105058113A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 Combined gear reversing and gear shifting cantilever clamping mechanism
CN105058054A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 Reversing and shifting cantilever clamp convenient for hoisting
CN105058116A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 Gear reversing and shifting cantilever clamp combination
CN105058086A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 End-face machining clamping mechanism for gear reversing and gear shifting cantilever
CN105058115A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 Compact type gear reversing and shifting cantilever combined clamping mechanism
CN105081778A (en) * 2015-08-04 2015-11-25 重庆山青机械制造有限公司 Efficient and reliable locating clamp for gear reversing and shifting cantilever
CN105127805A (en) * 2015-08-04 2015-12-09 重庆山青机械制造有限公司 Clamp for milling end face of gear reversing and shifting cantilever at machining center
CN106271771A (en) * 2016-08-30 2017-01-04 杭州九龙机械制造有限公司 A kind of hydraulically operated fixture
CN106425578A (en) * 2016-11-15 2017-02-22 天津华美永恒科技有限公司 Multifunctional combined clamp for vertical milling machine
CN106425582A (en) * 2016-11-28 2017-02-22 上海电机学院 Special fixture for milling split surfaces of connecting rods
CN107443120A (en) * 2017-08-25 2017-12-08 安徽信息工程学院 Connection rod of automobile engine microcephaly face milling processes clamping device
CN107649916A (en) * 2017-10-26 2018-02-02 芜湖航天汽车连杆有限公司 Automobile connecting bar locating and machining frock
CN107825158A (en) * 2017-11-29 2018-03-23 芜湖航天汽车连杆有限公司 Engine link Boring positioning tool
CN108856826A (en) * 2018-07-23 2018-11-23 夏海涛 Double End string milling machine for crank connecting link
CN110170869A (en) * 2019-06-25 2019-08-27 国营第六一六厂 It is a kind of to be not only accurately positioned but also finishing connecting rod shape fixture convenient for loading and unloading
CN111230628A (en) * 2020-02-26 2020-06-05 富丽慧 Crank connecting rod end face grinding device

Families Citing this family (1)

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CN110064948A (en) * 2019-05-30 2019-07-30 霍山嘉远智能制造有限公司 A kind of milling fixture with cylinder finger setting

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3446012A1 (en) * 1983-12-22 1985-07-04 Jan Siwik Device for machining a connecting-rod blank
CN201799892U (en) * 2010-09-30 2011-04-20 芜湖航天汽车连杆有限公司 Tooling clamp for finish turning connecting-rod small end
CN201988945U (en) * 2011-02-21 2011-09-28 永安市金声机械有限公司 Special boring machine tool
CN202021476U (en) * 2010-12-13 2011-11-02 杭州九龙机械制造有限公司 Automobile connecting rod fine boring jig
CN203527043U (en) * 2013-09-29 2014-04-09 柳州明宇机械有限公司 Clamp for fine boring of connecting rods

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3446012A1 (en) * 1983-12-22 1985-07-04 Jan Siwik Device for machining a connecting-rod blank
CN201799892U (en) * 2010-09-30 2011-04-20 芜湖航天汽车连杆有限公司 Tooling clamp for finish turning connecting-rod small end
CN202021476U (en) * 2010-12-13 2011-11-02 杭州九龙机械制造有限公司 Automobile connecting rod fine boring jig
CN201988945U (en) * 2011-02-21 2011-09-28 永安市金声机械有限公司 Special boring machine tool
CN203527043U (en) * 2013-09-29 2014-04-09 柳州明宇机械有限公司 Clamp for fine boring of connecting rods

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104043994A (en) * 2014-06-20 2014-09-17 蒋彩英 Clamp used for machining
CN105081778B (en) * 2015-08-04 2017-09-15 重庆山青机械制造有限公司 One kind reverse gear gearshift cantilever positioning fixture
CN104999312A (en) * 2015-08-04 2015-10-28 重庆山青机械制造有限公司 Double-station reverse gear shifting cantilever fixture
CN104999310A (en) * 2015-08-04 2015-10-28 重庆山青机械制造有限公司 Milling fixture for reverse gear shifting cantilevers
CN104999273A (en) * 2015-08-04 2015-10-28 重庆山青机械制造有限公司 Reverse gear shifting cantilever combined clamping mechanism applied to vertical machining center
CN105033712A (en) * 2015-08-04 2015-11-11 重庆山青机械制造有限公司 Clamp for end face milling of reverse-gear shifting cantilevers in machining center
CN105033713A (en) * 2015-08-04 2015-11-11 重庆山青机械制造有限公司 Clamp for milling of reverse-gear shifting cantilevers
CN105058117A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 Side-by-side type clamp for end surface milling of reverse and shift gear cantilevers
CN105058114A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 Four-station clamping mechanism for end face milling of gear reversing and gear shifting cantilevers
CN105058113A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 Combined gear reversing and gear shifting cantilever clamping mechanism
CN105058054A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 Reversing and shifting cantilever clamp convenient for hoisting
CN105058116A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 Gear reversing and shifting cantilever clamp combination
CN105058086A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 End-face machining clamping mechanism for gear reversing and gear shifting cantilever
CN105058115A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 Compact type gear reversing and shifting cantilever combined clamping mechanism
CN104999311A (en) * 2015-08-04 2015-10-28 重庆山青机械制造有限公司 Quick clamping system for reverse gear shifting cantilevers
CN105127805A (en) * 2015-08-04 2015-12-09 重庆山青机械制造有限公司 Clamp for milling end face of gear reversing and shifting cantilever at machining center
CN105058113B (en) * 2015-08-04 2017-12-05 重庆山青机械制造有限公司 A kind of combined gearshift cantilever clamp system that reverses gear
CN104999311B (en) * 2015-08-04 2017-09-15 重庆山青机械制造有限公司 A kind of quick clamping system for the gearshift cantilever that reverses gear
CN105081778A (en) * 2015-08-04 2015-11-25 重庆山青机械制造有限公司 Efficient and reliable locating clamp for gear reversing and shifting cantilever
CN106271771A (en) * 2016-08-30 2017-01-04 杭州九龙机械制造有限公司 A kind of hydraulically operated fixture
CN106425578A (en) * 2016-11-15 2017-02-22 天津华美永恒科技有限公司 Multifunctional combined clamp for vertical milling machine
CN106425582A (en) * 2016-11-28 2017-02-22 上海电机学院 Special fixture for milling split surfaces of connecting rods
CN106425582B (en) * 2016-11-28 2018-05-01 上海电机学院 A kind of special fixture of milling connecting rod split surface
CN107443120A (en) * 2017-08-25 2017-12-08 安徽信息工程学院 Connection rod of automobile engine microcephaly face milling processes clamping device
CN107649916A (en) * 2017-10-26 2018-02-02 芜湖航天汽车连杆有限公司 Automobile connecting bar locating and machining frock
CN107825158A (en) * 2017-11-29 2018-03-23 芜湖航天汽车连杆有限公司 Engine link Boring positioning tool
CN108856826A (en) * 2018-07-23 2018-11-23 夏海涛 Double End string milling machine for crank connecting link
CN110170869A (en) * 2019-06-25 2019-08-27 国营第六一六厂 It is a kind of to be not only accurately positioned but also finishing connecting rod shape fixture convenient for loading and unloading
CN111230628A (en) * 2020-02-26 2020-06-05 富丽慧 Crank connecting rod end face grinding device

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