CN201257604Y - Gripper for drilling crank shaft flange hole - Google Patents

Gripper for drilling crank shaft flange hole Download PDF

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Publication number
CN201257604Y
CN201257604Y CNU2008201883083U CN200820188308U CN201257604Y CN 201257604 Y CN201257604 Y CN 201257604Y CN U2008201883083 U CNU2008201883083 U CN U2008201883083U CN 200820188308 U CN200820188308 U CN 200820188308U CN 201257604 Y CN201257604 Y CN 201257604Y
Authority
CN
China
Prior art keywords
crankshaft
bolster
clamp
clamping
jig
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CNU2008201883083U
Other languages
Chinese (zh)
Inventor
宋文友
于秋明
周先忠
丛建臣
于建波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianrun Crankshaft Co Ltd
Original Assignee
Tianrun Crankshaft Co Ltd
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 Tianrun Crankshaft Co Ltd filed Critical Tianrun Crankshaft Co Ltd
Priority to CNU2008201883083U priority Critical patent/CN201257604Y/en
Application granted granted Critical
Publication of CN201257604Y publication Critical patent/CN201257604Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a jig for drilling a flange hole of a crankshaft. The jig comprises a jig body, a clamping mechanism and a connecting rod positioning mechanism. The clamping mechanism comprises a base, a core clamper, a clamping cylinder, a connecting plate, a sliding block, a clamping core clamper, a lower mold plate, a guide column and a fixing plate, wherein, the clamping cylinder is installed on the connecting plate; the piston rod of the clamping cylinder is connected with the sliding block; the clamping core clamper is installed on the lower mold plate; and the sliding block, the lower mold plate and the clamping core clamper are driven through the clamping cylinder to move a clamping crankshaft downward along the guide column, and to be matched with clamping crankshaft together with the core clamper positioned lower end surface of the crankshaft. The connecting rod positioning mechanism comprises a positioning seat, a positioning column, a bearer, a positioning cylinder and a piston rod, wherein, the positioning cylinder is installed on the bearer, and the piston rod is matched with the positioning column to clamp and position a crankshaft connecting rod neck. The jig with the advantages of reasonable structure and convenient assembly is applicable to the jigs of various crankshafts, and is applied to the processing of various types of crankshaft flange bolt holes and positioning pin holes.

Description

A kind of jig for drilling flange hole of crankshaft
Technical field
The utility model relates to a kind of anchor clamps, specifically a kind of jig for drilling flange hole of crankshaft.
Background technology
We know, at present, the crankshaft flange end face all needs auger shell hole and dowel hole, and a kind of is on the big end surface of bent axle, and another kind is to have on large and small end surface, and the distributed dimension in hole, quantity are variant.Common process stipulation subdrilling dowel hole, auger shell hole bottom outlet is attacked screw with screw tap then again.Finish these processing, need join a cover boring grab at radial drilling machine.Such boring grab is located a certain connecting rod neck restriction with reference column and is circumferentially rotated, and adopts and manually moves screw mechanism clamping spindle neck, circumferentially rotates with reference column restriction template again, and template is that expansion string type clamps bent axle major part cylindrical.Use above-mentioned boring grab, locate time-consumingly, clamping is frequent, labour intensity is big, and versatility is poor, and the clamping position easily forms scar, causes Part Surface Roughness poor, and working (machining) efficiency is low.
Summary of the invention
Technical problem to be solved in the utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of rational in infrastructure, easy to assembly, low cost of manufacture, the drilling efficiency height, the crudy height is applicable to the jig for drilling flange hole of crankshaft that all kinds flange hole of crankshaft is processed.
The technical scheme in the invention for solving the above technical problem is: a kind of jig for drilling flange hole of crankshaft, it comprises clamp body, clamp mechanism, the connecting rod detent mechanism, it is characterized in that: described clamp mechanism comprises base, top, clamp cylinder, connecting plate, slide block, compress top, lower bolster, guide pillar, fixed head, base wherein, connecting plate, fixed head is installed on the described clamp body, top being installed on the base, the centre bore that is provided with bent axle one end face aligns, guide pillar top is connected with fixed head, the bottom links to each other with connecting plate, slide block is enclosed within on the guide pillar by the lining that wherein is provided with, clamping cylinder is installed on the connecting plate, its piston rod links to each other with slide block, slide block top and lower bolster are connected and fixed, compress top being installed on the lower bolster, it aligns with the centre bore that the bent axle upper surface is provided with, and drives slide block by clamping cylinder, lower bolster, compress top moving down and compress bent axle, clamp bent axle with top cooperation that is positioned at the bent axle lower surface along guide pillar; Described connecting rod detent mechanism comprises positioning seat, reference column, bearing, positioning cylinder, piston rod, wherein positioning seat, bearing are installed in the clamp body both sides respectively, reference column inserts in the positioning seat hole, one end screws in tension with screw, the other end contacts the location with crank-shaft link neck, positioning cylinder is installed on the bearing, and its piston rod cooperates with reference column, clamping and positioning crank-shaft link neck wherein.
The utility model also is provided with the drill jig frame mechanism, it comprises lower bolster, cope match-plate pattern, drill bushing, wherein lower bolster is installed on the slide block, cope match-plate pattern is by alignment pin and compress top location, be placed on the lower bolster, drill bushing is fixed on the cope match-plate pattern, welds handle on the cope match-plate pattern cylindrical, is provided with the drill bushing hole on the lower bolster accordingly.Behind the utility model location, the clamping bent axle, can determine the position of each bottom outlet of crankshaft flange and locating hole by the drill jig frame mechanism.
Also install and fix a V-arrangement guide pad on the clamp body described in the utility model.During assembling, main bearing journal is near the V-arrangement face of V-arrangement guide pad.
The piston rod front end of the said connecting rod detent mechanism of the utility model also is installed with anti-scar cover.
The utility model is owing to adopt above-mentioned clamp mechanism, connecting rod detent mechanism, the bent axle of the length that clamp mechanism is can clamping different, and the connecting rod detent mechanism can carry out the crankshaft-link rod location according to different bent axles.Against existing technologies, the utility model is rational in infrastructure, easy to assembly, low cost of manufacture, highly versatile, be applicable to the clamping of various bent axles, be used for the processing of all kinds crankshaft flange screw and dowel hole, crudy is good, the drilling efficiency height, having shortened the manufacturing cycle greatly, is a kind of desirable jig for drilling flange hole of crankshaft.
Description of drawings
The utility model will be further described below in conjunction with accompanying drawing.
Fig. 1 is the assembly structure schematic diagram of the utility model and bent axle.
Fig. 2 is that B-B among Fig. 1 is to generalized section.
Fig. 3 is that A among Fig. 2 is to schematic diagram.
Fig. 4 is that C among Fig. 1 is to schematic diagram.
Fig. 5 is that D among Fig. 1 is to schematic diagram.
1. bases among the figure, 2. top, 3. positioning cylinder, 4. piston rod, 5. bearing, 6. clamp body, 7.V shape guide pad 8. clamps cylinder, 9. connecting plate, 10. lining, 11. slide block, 12. lower bolsters, 13. guide pillars, 14. fixed heads, 15. drill bushing, 16. cope match-plate patterns, 17. compress top, 18. bent axles, 19. main bearing journal, 20. crank-shaft link necks, 21. reference columns, 22. screws, 23. positioning seat, 24. anti-scar covers, 25. alignment pins, 26. handles.
The specific embodiment
Fig. 1 is the assembly structure schematic diagram of the utility model and bent axle.As can be seen from Figure 1, a kind of jig for drilling flange hole of crankshaft, it comprises clamp body 6, clamp mechanism, connecting rod detent mechanism, clamp body 6 is carriers of whole anchor clamps, also is the carrier that bent axle bores flange hole.Various bent axles are positioned, clamp, are fixed in the anchor clamps according to the boring needs, so that carry out the drilling flange hole of crankshaft operation.Crankshaft two end all has the centre bore of having processed along center line.
Fig. 2 is that B-B among Fig. 1 is to bent axle clamped condition generalized section not.As can be seen, clamp mechanism is positioned at the two ends up and down of anchor clamps from Fig. 1, Fig. 2, is used for clamping the crankshaft two end centre bore.Clamp mechanism described in the utility model comprise base 1, top 2, clamp cylinder 8, connecting plate 9, slide block 11, compress top 17, lower bolster 12, guide pillar 13, fixed head 14 etc.Wherein base 1, connecting plate 9, fixed head 14 are installed on the described clamp body 6, top 2 are installed on the base 1, the centre bore that is provided with bent axle 18 1 end faces aligns, guide pillar 13 tops are connected with fixed head 14, lining 10 is passed at the middle part, lining 10 is fixed in the slide block 11, and guide pillar 13 bottoms link to each other with connecting plate 9.Slide block 11 is enclosed within on the guide pillar 13 by the lining 10 that wherein is provided with, clamping cylinder 8 is installed on the connecting plate 9, its piston rod links to each other with slide block 11, slide block 11 tops and lower bolster 12 are connected and fixed, compressing top 17 is installed on the lower bolster 12, it aligns with the centre bore that the bent axle upper surface is provided with, drive slide block 11, lower bolsters 12, compress top 17 and move down along guide pillar 13 and to compress bent axle by clamping cylinder 8, be positioned at the bent axle lower surface top 2 cooperates the clamping bent axle.All there is the centre bore of having processed at the crankshaft part two ends along center line.Top 2 on the part lower end central aperture base 1, but limit feature moves down vertically.The upper end centre bore moves up and down slide block 11 by clamping cylinder 8 effects, lower bolster 12 with compress top 17 servo-actuateds simultaneously, compress top 17 and directly compress or unclamp bent axle, realize the loading and unloading bent axle.
Fig. 4 is that C among Fig. 1 is to connecting rod detent mechanism structural representation.From Fig. 1, Fig. 4 as can be seen, connecting rod detent mechanism described in the utility model comprises positioning seat 23, reference column 21, bearing 5, positioning cylinder 3, piston rod 4, wherein positioning seat 23, bearing 5 are installed in clamp body 6 both sides respectively, reference column 21 inserts in positioning seat 23 holes, one end screws in tension with screw 22, prevent reference column 21 play vertically, the other end contacts the location with crank-shaft link neck 20, positioning cylinder 3 is installed on the bearing 5, its piston rod 4 cooperates with reference column 21, clamping and positioning crank-shaft link neck 20 wherein.Positioning cylinder 3 promotes piston rod 4 and contacts with crank-shaft link neck 20, compresses crank-shaft link neck, realizes circumferentially location.The piston rod front end of the said connecting rod detent mechanism of the utility model is also installed anti-scar cover 24, is used for preventing that part from loading and unloading, damaging when compressing.
The utility model also is provided with the drill jig frame mechanism, behind the utility model location, the clamping bent axle, can determine the position of each bottom outlet of crankshaft flange and locating hole by the drill jig frame mechanism.Fig. 3 is that drill jig frame mechanism structure A among Fig. 2 is to schematic diagram.From Fig. 2, Fig. 3 as can be seen, it comprises lower bolster 12, cope match-plate pattern 16, drill bushing 15 the utility model drill jig frame mechanism, wherein lower bolster 12 is installed on the slide block 11, cope match-plate pattern 16 is by alignment pin 25 and compress top 17 location, be placed on the lower bolster 12, drill bushing 15 is fixed on the cope match-plate pattern 16, and welding handle 26 is provided with the drill bushing hole accordingly on cope match-plate pattern 16 cylindricals on the lower bolster 12.Specifically be to compress top 17 middle parts to be installed in lower bolster 12 center holes, lower taper is inserted in the bent axle 18 upper surface centre bores, and top cylinder and cope match-plate pattern 16 center holes are little matched in clearance; Alignment pin 25 lower cylindrical and lower bolster 12 eccentric orfice secure fit, top cylinder and cope match-plate pattern 16 eccentric orfices are little matched in clearance; Be used for the position of spitting drill flange hole of crankshaft, and guarantee that cope match-plate pattern is easy to loading and unloading.Drill bushing 15 is fixed on the cope match-plate pattern 16, and welding handle 26 is provided with the drill bushing hole accordingly on the cope match-plate pattern cylindrical on the lower bolster 12, and the drill bushing hole is greater than drill bushing 15 external diameters.After finishing auger shell hole bottom outlet, after cope match-plate pattern takes off, guarantee that the screw tap tapping is not squeezed.
Also install and fix a V-arrangement guide pad 7 on the clamp body 6 described in the utility model.Fig. 5 is that D among Fig. 1 is to schematic diagram.As can be seen, V-arrangement guide pad 7 is installed on the clamp body from Fig. 1, Fig. 5, and main bearing journal 19 is near the V-arrangement face of V-arrangement guide pad.During assembling, after bent axle lower end centre bore places top 2, near the V-arrangement faces, can make the bent axle guiding vertical main bearing journal 19, make to compress top 17 and align centre bore and compress.
The utility model use is: be example with the six-cylinder crankshaft, a six-cylinder crankshaft has seven trunnions, six connecting rod necks, and all there is centre bore at two ends, and some screws and a locating hole are arranged on the end face, technological requirement, the subdrilling bottom outlet is attacked screw again.During operation, clamp mechanism is in not clamped condition, the bent axle 18 of slinging is inserted male center 2 with microcephaly's centre bore, and the four main neck aligned the V-arrangement face that leans on into V-arrangement guide pad 7, bent axle first connecting rod neck is close to reference column 21 end faces, open valve and make positioning cylinder 3, promote piston rod 4 and prevent that scar cover 24 compresses, and has limited bent axle and has rotated in a circumferential direction.Open valve and make clamping cylinder 8, along guide pillar 13, drive slide block 11, lower bolster 12, compress top 17 and move down, compress and toply align bent axle 18 upper end centre bores automatically and compress bent axle.The center hole of cope match-plate pattern 16 and eccentric orfice aligned clamp top 17 top cylinder and alignment pin 25 tops, be placed on the lower bolster 12, can bore each bottom outlet of flange and locating hole.Bored bottom outlet, taken off lower bolster 12, continued to attack each screw with screw tap.After all processing, move positioning cylinder and clamp cylinder valve, each action component sets back automatically, unloads part and gets final product.Profit uses the same method 180 ° of bent axle upsets, can finish the processing of bent axle microcephaly flange hole.
The utility model is rational in infrastructure, and is easy to assembly, low cost of manufacture, and highly versatile is applicable to various The clamping of bent axle is used for the processing of all kinds crankshaft flange screw and dowel hole, and crudy is good, The drilling efficiency height has shortened the manufacturing cycle greatly, is a kind of desirable jig for drilling flange hole of crankshaft.

Claims (5)

1. jig for drilling flange hole of crankshaft, it comprises clamp body, clamp mechanism, the connecting rod detent mechanism, it is characterized in that: described clamp mechanism comprises base, top, clamp cylinder, connecting plate, slide block, compress top, lower bolster, guide pillar, fixed head, base wherein, connecting plate, fixed head is installed on the described clamp body, top being installed on the base, the centre bore that is provided with bent axle one end face aligns, guide pillar top is connected with fixed head, the bottom links to each other with connecting plate, slide block is enclosed within on the guide pillar by the lining that wherein is provided with, clamping cylinder is installed on the connecting plate, its piston rod links to each other with slide block, slide block top and lower bolster are connected and fixed, compress top being installed on the lower bolster, it aligns with the centre bore that the bent axle upper surface is provided with, and drives slide block by clamping cylinder, lower bolster, compress top moving down and compress bent axle, clamp bent axle with top cooperation that is positioned at the bent axle lower surface along guide pillar; Described connecting rod detent mechanism comprises positioning seat, reference column, bearing, positioning cylinder, piston rod, wherein positioning seat, bearing are installed in the clamp body both sides respectively, reference column inserts in the positioning seat hole, one end screws in tension with screw, the other end contacts the location with crank-shaft link neck, positioning cylinder is installed on the bearing, and its piston rod cooperates with reference column, clamping and positioning crank-shaft link neck wherein.
2. jig for drilling flange hole of crankshaft according to claim 1, it is characterized in that: also be provided with the drill jig frame mechanism, it comprises lower bolster, cope match-plate pattern, drill bushing, wherein lower bolster is installed on the slide block, cope match-plate pattern is by alignment pin and compress top location, is placed on the lower bolster, and drill bushing is fixed on the cope match-plate pattern, weld handle on the cope match-plate pattern cylindrical, be provided with the drill bushing hole on the lower bolster accordingly.
3. jig for drilling flange hole of crankshaft according to claim 1 is characterized in that: also install and fix a V-arrangement guide pad on the said clamp body.
4. jig for drilling flange hole of crankshaft according to claim 1 is characterized in that: the piston rod front end of said connecting rod detent mechanism also is installed with anti-scar cover.
5. jig for drilling flange hole of crankshaft according to claim 2 is characterized in that: lower bolster is provided with the hole greater than the drill bushing external diameter.
CNU2008201883083U 2008-09-12 2008-09-12 Gripper for drilling crank shaft flange hole Expired - Lifetime CN201257604Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201883083U CN201257604Y (en) 2008-09-12 2008-09-12 Gripper for drilling crank shaft flange hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201883083U CN201257604Y (en) 2008-09-12 2008-09-12 Gripper for drilling crank shaft flange hole

Publications (1)

Publication Number Publication Date
CN201257604Y true CN201257604Y (en) 2009-06-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008201883083U Expired - Lifetime CN201257604Y (en) 2008-09-12 2008-09-12 Gripper for drilling crank shaft flange hole

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101966656A (en) * 2010-07-30 2011-02-09 天润曲轴股份有限公司 Rotary clamping apparatus for drilling crankshaft large disk flange hole
CN101786242B (en) * 2010-02-23 2011-09-07 林素伟 Drilling jig for drilling oblique oil hole on crankshaft
CN103157984A (en) * 2013-04-09 2013-06-19 苏州工业职业技术学院 Workpiece fixing mechanism used for riveting pressure assembly machine
CN103949690A (en) * 2014-04-14 2014-07-30 宁波狮球通风机电有限公司 Housing drill
CN104708335A (en) * 2013-12-12 2015-06-17 铜陵市永生机电制造有限责任公司 Clamp for drilling of shaft part central eye
CN105033717A (en) * 2015-08-31 2015-11-11 四川省宜宾普什汽车零部件有限公司 Axial locking device applied to processing course of engine crankshaft
CN106670864A (en) * 2016-11-28 2017-05-17 桐乡市石门仪表机械厂 Square mirror lamp pole milling groove machining tool
CN106670859A (en) * 2017-03-15 2017-05-17 杜诗雨 Drilling fixture for end face of cam shaft
CN107160206A (en) * 2017-07-14 2017-09-15 辽宁五八内燃机配件有限公司 Main bearing journal machining of oil hole fixture
CN108481056A (en) * 2018-05-31 2018-09-04 贵州远东传动机械有限公司 A kind of transmission shaft bore hole fixing device
CN111889746A (en) * 2020-08-06 2020-11-06 南京六合煤矿机械有限责任公司 Special machine tool for crankshaft center hole

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101786242B (en) * 2010-02-23 2011-09-07 林素伟 Drilling jig for drilling oblique oil hole on crankshaft
CN101966656A (en) * 2010-07-30 2011-02-09 天润曲轴股份有限公司 Rotary clamping apparatus for drilling crankshaft large disk flange hole
CN101966656B (en) * 2010-07-30 2011-11-16 天润曲轴股份有限公司 Rotary clamping apparatus for drilling crankshaft large disk flange hole
CN103157984A (en) * 2013-04-09 2013-06-19 苏州工业职业技术学院 Workpiece fixing mechanism used for riveting pressure assembly machine
CN103157984B (en) * 2013-04-09 2015-11-25 苏州工业职业技术学院 For the workpiece fixed mechanism of riveting assembly machine
CN104708335A (en) * 2013-12-12 2015-06-17 铜陵市永生机电制造有限责任公司 Clamp for drilling of shaft part central eye
CN103949690A (en) * 2014-04-14 2014-07-30 宁波狮球通风机电有限公司 Housing drill
CN105033717A (en) * 2015-08-31 2015-11-11 四川省宜宾普什汽车零部件有限公司 Axial locking device applied to processing course of engine crankshaft
CN106670864A (en) * 2016-11-28 2017-05-17 桐乡市石门仪表机械厂 Square mirror lamp pole milling groove machining tool
CN106670859A (en) * 2017-03-15 2017-05-17 杜诗雨 Drilling fixture for end face of cam shaft
CN107160206A (en) * 2017-07-14 2017-09-15 辽宁五八内燃机配件有限公司 Main bearing journal machining of oil hole fixture
CN108481056A (en) * 2018-05-31 2018-09-04 贵州远东传动机械有限公司 A kind of transmission shaft bore hole fixing device
CN111889746A (en) * 2020-08-06 2020-11-06 南京六合煤矿机械有限责任公司 Special machine tool for crankshaft center hole

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GR01 Patent grant
C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20090617

Effective date of abandoning: 20080912