CN106964820B - Drill jig equipment for boring step crankshaft end holes - Google Patents

Drill jig equipment for boring step crankshaft end holes Download PDF

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Publication number
CN106964820B
CN106964820B CN201611212190.9A CN201611212190A CN106964820B CN 106964820 B CN106964820 B CN 106964820B CN 201611212190 A CN201611212190 A CN 201611212190A CN 106964820 B CN106964820 B CN 106964820B
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CN
China
Prior art keywords
pedestal
locating ring
diameter shaft
ring block
interlocking bar
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CN201611212190.9A
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Chinese (zh)
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CN106964820A (en
Inventor
罗贵良
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Chongqing Xinrui Technology Service Co.,Ltd.
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Chongqing Saiyan Machinery Co Ltd
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Priority to CN201611212190.9A priority Critical patent/CN106964820B/en
Publication of CN106964820A publication Critical patent/CN106964820A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B47/00Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • B23B47/28Drill jigs for workpieces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2247/00Details of drilling jigs
    • B23B2247/12Drilling jigs with means to affix the jig to the workpiece

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

The invention belongs to mechanical grinding fields, specifically disclose a kind of drill jig equipment for boring step crankshaft end holes, including clamp device and drilling equipment;Clamp device includes locating ring block, it is uniformly provided with groove in locating ring block, elastic component is fixed in groove, through the interlocking bar for having bottom belt sawtooth in elastic component, the working end of elastic component is fixed with limiting plate of the static connection in interlocking bar, and the one end of interlocking bar with sawtooth is engaged with gear, and the bottom of gear is engaged with the follower plate of top tape sawtooth, follower plate is in hook-shaped and is provided with threaded hole, and follower plate is slidably connected on multi-diameter shaft;Drilling equipment includes pedestal, several drill bits is equipped on pedestal, running through on pedestal has trip bolt, and trip bolt is closed with the corresponding threaded holes on follower plate;The outer end static connection of pedestal has hook plate, hooks plate and offsets with the one end of interlocking bar far from gear.This programme can solve the harmful effect of reaction force that multi-diameter shaft generates in boring procedure to device, improve the precision of drilling.

Description

Drill jig equipment for boring step crankshaft end holes
Technical field
The invention belongs to mechanical grinding field more particularly to a kind of drilling jig tools for workpiece.
Background technology
With the fast development of China's mechanical industry, market increasingly increases the demand of various types of accessories, especially It is axis class accessory, multi-diameter shaft is originally widely used in because it is with easy-to-mount characteristic in all kinds of machineries.Multi-diameter shaft is producing It drills in the process, the precision of drilling will have a direct impact on multi-diameter shaft subsequent use effect.
The patent document of Publication No. CN101966602A discloses a kind of brill step crankshaft end holes drill jig device, includes mould Plate, left clamping jaw, right clamping jaw, template are positioned on ladder crankshaft flange end face, and ladder crankshaft flange end face is corresponded in template and is fixed Several drill bushings are installed, corresponding ladder bent axle shoulder end face is installed with several lengthening drill bushings, and the template lower part is tubulose Be open the spring that rises, and is sleeved in the outer circle of ladder crankshaft flange end, and encircle and be fixedly clamped by left clamping jaw, right clamping jaw.It will when work Ladder bent axle shaft end is disposed vertically upwards, and template is positioned on ladder crankshaft flange end face, and the template lower openings spring that rises is sleeved on rank In the outer circle of terraced crankshaft flange end, the through-hole of right clamping jaw is passed through with housing screw, the screw hole of left clamping jaw is tightened against, makes template and ladder Crankshaft flange end outer circle is fixed, and can then operate drill bit along lengthening drill bushing and drill bushing pilot hole.Drill bushing is lengthened to be used for being oriented to Drill bit bores multi-diameter shaft ladder shoulder end-face hole, and drill bushing is used for starter and bores crankshaft flange end-face hole, and clamped one time can complete rank The porous processing of two layers of step of terraced axis.
The drill jig device can improve the drilling effect to multi-diameter shaft to a certain extent, but in boring procedure, rank Terraced axis can generate reaction force to drill bit, this reaction force can make device generate certain vibration, and device is caused to be easy to loosen, This greatly reduces the precision of drilling.
Invention content
The purpose of the present invention is to provide a kind of drill jig equipment for boring step crankshaft end holes, are being drilled with solving multi-diameter shaft Harmful effect of the reaction force generated in the process to device.
In order to achieve the above object, base case of the invention provides a kind of drill jig equipment for boring step crankshaft end holes, Including clamp device, the clamp device is combined with drilling equipment;The clamp device includes the positioning being set on multi-diameter shaft Ring block, the locating ring block include the left locating ring block being mutually clamped and right locating ring block, the left locating ring block and right positioning Ring block is pushed against by anchor ear on multi-diameter shaft;It is uniformly provided with several grooves in locating ring block, is fixed in the groove flexible Part, the elastic component is interior through the interlocking bar for having bottom belt sawtooth, and the working end of elastic component is fixed with static connection in the linkage Groove is stretched out at limiting plate on bar, interlocking bar both ends, and the one end of interlocking bar with sawtooth is engaged with gear, and the bottom of the gear is nibbled Closing has the follower plate of top tape sawtooth, and the follower plate is hook-shaped and is provided with threaded hole, and follower plate is slidably connected on multi-diameter shaft; The drilling equipment includes pedestal, and the pedestal includes the left part and right part being mutually clamped;Pedestal is pushed against ladder by anchor ear Several drill bits driven by driving device are installed, running through on pedestal there are several to be located at drill bit side on axis, on pedestal Trip bolt, the trip bolt are closed with the corresponding threaded holes on follower plate;The outer end static connection of pedestal has hook plate, the hook plate It offsets with the one end of interlocking bar far from gear.
The principle of this base case is:First, follower plate is mounted on the outer wall of multi-diameter shaft, then respectively by left positioning Ring block and right locating ring block are placed on the both sides of multi-diameter shaft, and the sawtooth on gear and follower plate is made to be intermeshed, then by left positioning Ring block and right locating ring block are connected together, and locating ring block is pushed against on multi-diameter shaft by anchor ear.Then respectively by pedestal Left part is placed on the both sides of multi-diameter shaft with right part, keeps the trip bolt on pedestal opposite with the threaded hole on follower plate, and rotation is tight Gu screw makes trip bolt cooperate and push against with threaded hole, then the left part of pedestal is connected together with right part, by embracing Pedestal is pushed against on multi-diameter shaft by hoop.
Then start motor, drill bit is made to start to movement at the shaft shoulder of multi-diameter shaft and drill to multi-diameter shaft, drill bit exists During to multi-diameter shaft force drilling, multi-diameter shaft can also be given and bore first reaction force, this reaction force is passed by drill bit It passs pedestal and hooks plate, make pedestal and hook plate by the power along remotely located ring Block direction, hook this movement tendency of plate Interlocking bar is passed to, interlocking bar is made also to generate same movement tendency, to generate the trend rotated clockwise, tooth with moving gear The movement tendency of wheel drives follower plate to generate the movement tendency along locating ring Block direction, to make follower plate begin in boring procedure Multi-diameter shaft is pushed against eventually.
The advantageous effect of this base case is:
(1)This programme is fixed multi-diameter shaft using the reaction force of multi-diameter shaft in boring procedure, clever structure, Driving equipment need not additionally be increased, the cost of multi-diameter shaft drilling is greatly reduced, improve the efficiency of drilling;
(2)This programme is constantly fixed multi-diameter shaft in boring procedure, improves the precision of multi-diameter shaft drilling;
(3)This programme moves interlocking bar generation movement tendency by hooking strip, and passes through interlocking bar and gear drive follower plate Movement tendency is generated, multi-diameter shaft is fixed, gear is substantially increased with engaging for sawtooth for multi-diameter shaft to be fixed Driving force stability;
(4)This programme limits interlocking bar by the cooperation of elastic component and limiting plate, prevents interlocking bar movement excessive Clamp device is set to lose fastening function;
(5)Locating ring block and pedestal are clamped respectively by hooping structure, realize that it reaches abutting with multi-diameter shaft It is good and stable to push against effect for state;
(6)By the cooperation of trip bolt and threaded hole, drilling equipment and clamp device are fixed before drilling, carried High fitness between drilling equipment and clamp device;
(7)Several drill bits are installed, for needing to process the multi-diameter shaft in multiple holes, this programme can be simultaneously to rank on pedestal Terraced axis carries out the processing in multiple holes, improves the working efficiency of drilling.
Scheme two:This is preferred, the face surface roughness Ra that the locating ring block is contacted with multi-diameter shaft of basic scheme< 0.1μm.Surface roughness Ra<0.1 μm of locating ring block surface is relatively smooth, and locating ring block can be prevented right during the work time Multi-diameter shaft causes to wear.
Scheme three:This is the preferred of basic scheme, lanyard is cased on the trip bolt, the lanyard is fixed on pedestal On.Lanyard can prevent trip bolt from falling in the handling process, make troubles to the use of equipment.
Scheme four:This is preferred for scheme three, and the tip of the trip bolt and the tip of drill bit are socketed with protective jacket. Protective jacket can prevent the tip of trip bolt and the tip of drill bit from accidentally injuring to worker, and trip bolt and drill bit are when unused It is long-term to shelve in air, it is easy oxidation by air and influences service life, protective jacket can be by trip bolt and drill bit and air Isolation, prevents from being aoxidized.
Scheme five:This is the preferred of basic scheme, and the cavity for accommodating follower plate is provided on the pedestal.Due to driven Plate is not affixed in equipment, is easily lost after the completion of use, and the cavity on pedestal can then accommodate follower plate, prevent follower plate Loss.
Scheme six:This is the preferred of basic scheme, and the elastic component is compression spring.Compression spring can be limiting plate and interlocking bar It resets and restoring force is provided.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of drill jig equipment of the present invention for boring step crankshaft end holes.
Specific implementation mode
Below by specific implementation mode, the present invention is described in further detail:
Reference numeral in Figure of description includes:Multi-diameter shaft 1, locating ring block 2, groove 3, limiting plate 4, interlocking bar 5, bullet Property part 6, gear 7, follower plate 8, pedestal 9, trip bolt 10, drill bit 11, anchor ear 12, hook plate 13.
Embodiment is substantially as shown in Fig. 1:
Drill jig equipment for boring 1 stomidium of multi-diameter shaft, is mainly made of clamp device and drilling equipment.Clamp device is by fixed Position ring block 2, limiting plate 4, elastic component 6, interlocking bar 5, gear 7 and follower plate 8 are constituted.Locating ring block 2 is by left locating ring block 2 and the right side Locating ring block 2 is constituted, and left locating ring block 2 and right locating ring block 2 are mutually clamped and are pushed against on multi-diameter shaft 1 by anchor ear 12.It is fixed The face surface roughness Ra that position ring block 2 is contacted with multi-diameter shaft 1<0.1 μm, such 2 surface of locating ring block is relatively smooth, Neng Goufang Only locating ring block 2 causes to wear to multi-diameter shaft 1 during the work time.Groove 3, the right end weldering of groove 3 are provided in the middle part of locating ring It is connected to elastic component 6, elastic component 6 is compression spring, and left end and the limiting plate 4 of compression spring weld, and limiting plate 4 is welded in interlocking bar 5.Linkage Bar 5 is applied in compression spring and groove 3 is stretched out at both ends, and the left end of interlocking bar 5 offsets with plate 13 is hooked, the right end lower surface of interlocking bar 5 It is machined with sawtooth.It is engaged with gear 7 below the right end of interlocking bar 5, the upper surface of follower plate 8 is machined with sawtooth, the lower section of gear 7 It is engaged with follower plate 8;Follower plate 8 is in hook-shaped, and the right end of follower plate 8 is provided with threaded hole.
Drilling equipment is made of pedestal 9, hook plate 13, drill bit 11, trip bolt 10.Pedestal 9 is made of left part and right part, left Portion and right part are mutually clamped and are pushed against on multi-diameter shaft 1 by anchor ear 12.Several drill bits 11 are uniformly installed on pedestal 9, are bored First 11 are driven by motor.Several trip bolts 10 for being located at 11 side of drill bit, the screw thread on follower plate 8 are also extended through on pedestal 9 Hole is matched with trip bolt 10.Lanyard is cased on trip bolt 10, lanyard is sleeved on pedestal 9, and lanyard can prevent fastening spiral shell Nail 10 is fallen in the handling process, is made troubles to the use of equipment.The tip of trip bolt 10 and the tip of drill bit 11 cover It is connected to protective jacket, protective jacket can prevent the tip of trip bolt 10 and the tip of drill bit 11 from accidentally injuring to worker, can will also fasten Screw 10 and drill bit 11 and air exclusion, prevent from being aoxidized.The outer end of pedestal 9 is welded with plate 13 is hooked, and hooks the left end and connection of plate 13 Lever 5 offsets.It is provided with the cavity for accommodating follower plate 8 on pedestal 9, prevents the loss of follower plate 8.
When specific works, first, the cavity on pedestal 9 is opened, follower plate 8 is taken out;Then follower plate 8 is mounted on rank On the outer wall of terraced axis 1, left locating ring block 2 and right locating ring block 2 are placed on to the both sides of multi-diameter shaft 1 respectively, make gear 7 with it is driven Sawtooth intermeshing on plate 8, then left locating ring block 2 and right locating ring block 2 is connected together, by anchor ear 12 by locating ring Block 2 is pushed against on multi-diameter shaft 1.The left part of pedestal 9 and right part are then placed on to the both sides of multi-diameter shaft 1 respectively, made on pedestal 9 Trip bolt 10 is opposite with the threaded hole on follower plate 8, and rotation trip bolt 10 makes trip bolt 10 cooperate with threaded hole And push against, then the left part of pedestal 9 is connected together with right part, pedestal 9 is pushed against on multi-diameter shaft 1 by anchor ear 12.
Then the protective jacket of trip bolt 10 and drill bit 11 is removed, starts motor, drill bit 11 is made to start the axis to multi-diameter shaft 1 It is mobile and drill to multi-diameter shaft 1 at shoulder, drill bit 11 exert a force to multi-diameter shaft 1 drill during, multi-diameter shaft 1 can also be given and bore First 11 1 reaction forces, this reaction force by drill bit 11 pass to pedestal 9 and hook plate 13, make pedestal 9 and hook plate 13 by To a power to the right, this movement tendency for hooking plate 13 passes to interlocking bar 5, so that interlocking bar 5 is also generated same movement and becomes Gesture, to generate the trend rotated clockwise with moving gear 7, the movement tendency of gear 7 drives the movement of the generation of follower plate 8 to the left Trend, to make follower plate 8 push against multi-diameter shaft 1 always in boring procedure.Drilling equipment can continue real estate in boring procedure Raw reaction force, and follower plate 8 pushes against multi-diameter shaft 1 using this reaction force, to play fixed step axis 1, improves drilling The effect of precision.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification The records such as specific implementation mode can be used for explaining the content of claim.

Claims (6)

1. the drill jig equipment for boring step crankshaft end holes, including clamp device, the clamp device are combined with drilling equipment, special Sign is that the clamp device includes the locating ring block being set on multi-diameter shaft, and the locating ring block includes the left side being mutually clamped Locating ring block and right locating ring block, the left locating ring block and right locating ring block are pushed against by anchor ear on multi-diameter shaft;Locating ring It is uniformly provided with several grooves in block, elastic component is fixed in the groove, running through in the elastic component has bottom belt sawtooth Interlocking bar, limiting plate of the static connection in the interlocking bar is fixed on elastic component, and groove, interlocking bar band are stretched out in interlocking bar both ends One end of sawtooth is engaged with gear, and the bottom of the gear is engaged with the follower plate of top tape sawtooth, and the follower plate is in hook-shaped And it is provided with threaded hole, follower plate is slidably connected on multi-diameter shaft;The drilling equipment includes pedestal, and the pedestal includes mutually blocking The left part and right part connect;Pedestal is pushed against by anchor ear on multi-diameter shaft, is equipped with what several were driven by driving device on pedestal Drill bit, through there is several to be located at the trip bolt of drill bit side, the threaded hole on the trip bolt and follower plate on pedestal It matches;The outer end static connection of pedestal has hook plate, the hook plate to offset with the one end of interlocking bar far from gear.
2. the drill jig equipment according to claim 1 for boring step crankshaft end holes, it is characterised in that:The locating ring block with The face surface roughness Ra of multi-diameter shaft contact<0.1μm.
3. the drill jig equipment according to claim 1 for boring step crankshaft end holes, it is characterised in that:On the trip bolt It is cased with lanyard, the lanyard is fixed on the base.
4. the drill jig equipment according to claim 3 for boring step crankshaft end holes, it is characterised in that:The trip bolt Tip and the tip of drill bit are socketed with protective jacket.
5. the drill jig equipment according to claim 1 for boring step crankshaft end holes, it is characterised in that:It is provided on the pedestal Cavity for accommodating follower plate.
6. the drill jig equipment according to claim 1 for boring step crankshaft end holes, it is characterised in that:The elastic component is pressure Spring.
CN201611212190.9A 2016-12-25 2016-12-25 Drill jig equipment for boring step crankshaft end holes Active CN106964820B (en)

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Application Number Priority Date Filing Date Title
CN201611212190.9A CN106964820B (en) 2016-12-25 2016-12-25 Drill jig equipment for boring step crankshaft end holes

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Application Number Priority Date Filing Date Title
CN201611212190.9A CN106964820B (en) 2016-12-25 2016-12-25 Drill jig equipment for boring step crankshaft end holes

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CN106964820B true CN106964820B (en) 2018-07-13

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111842994B (en) * 2020-07-24 2022-11-15 四川航天长征装备制造有限公司 Clamp ring hole matching device and hole matching method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5318391A (en) * 1992-07-10 1994-06-07 Linda L. Breiner Work holder for modifying an automatic transmission and method therefor
CN201346635Y (en) * 2008-12-18 2009-11-18 潍坊盛瑞动力机械科技有限公司 Cam shaft drilling jig
CN101966602A (en) * 2010-07-30 2011-02-09 天润曲轴股份有限公司 Drilling jig device for drilling stepped shaft end hole
CN102319918A (en) * 2011-08-11 2012-01-18 宜兴市迪凡特机械制造有限公司 Universal adjustable drilling jig for plate-like parts
CN203124780U (en) * 2013-01-10 2013-08-14 南京金鑫传动设备有限公司 Device for machining upper holes of deep-long step shaft
CN203527047U (en) * 2013-10-17 2014-04-09 重庆民发汽车配件有限责任公司 Rocker arm hole drilling tool
CN105269037A (en) * 2015-10-27 2016-01-27 芜湖市泰能电热器具有限公司 Disc part drilling fixture

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5318391A (en) * 1992-07-10 1994-06-07 Linda L. Breiner Work holder for modifying an automatic transmission and method therefor
CN201346635Y (en) * 2008-12-18 2009-11-18 潍坊盛瑞动力机械科技有限公司 Cam shaft drilling jig
CN101966602A (en) * 2010-07-30 2011-02-09 天润曲轴股份有限公司 Drilling jig device for drilling stepped shaft end hole
CN102319918A (en) * 2011-08-11 2012-01-18 宜兴市迪凡特机械制造有限公司 Universal adjustable drilling jig for plate-like parts
CN203124780U (en) * 2013-01-10 2013-08-14 南京金鑫传动设备有限公司 Device for machining upper holes of deep-long step shaft
CN203527047U (en) * 2013-10-17 2014-04-09 重庆民发汽车配件有限责任公司 Rocker arm hole drilling tool
CN105269037A (en) * 2015-10-27 2016-01-27 芜湖市泰能电热器具有限公司 Disc part drilling fixture

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Effective date of registration: 20190805

Address after: Xiangyu Street Airport Development Zone Road 401120 Chongqing city Yubei District Shuangfeng Bridge No. 15 Building 2

Patentee after: Chongqing Bochuang Intellectual Property Operations Co., Ltd.

Address before: 402160 Zengjiawan Villagers Group of Shengli Village, Shengli Road Office, Yongchuan District, Chongqing

Patentee before: CHONGQING SAIYAN MACHINERY CO., LTD.

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Address after: 402460 station 13, 10 / F, innovation and development center, 19 Lingfang Avenue, Changzhou street, Rongchang District, Chongqing

Patentee after: Chongqing Xinrui Technology Service Co.,Ltd.

Address before: 401120 Yubei District, Chongqing Shuangfeng bridge airport development zone, Xiangyu Road, No. 15, 2.

Patentee before: Chongqing Bochuang Intellectual Property Operations Co.,Ltd.

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