CN101628384A - Clamp for drilling oil hole on crankshaft - Google Patents
Clamp for drilling oil hole on crankshaft Download PDFInfo
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- CN101628384A CN101628384A CN200810138402A CN200810138402A CN101628384A CN 101628384 A CN101628384 A CN 101628384A CN 200810138402 A CN200810138402 A CN 200810138402A CN 200810138402 A CN200810138402 A CN 200810138402A CN 101628384 A CN101628384 A CN 101628384A
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- connecting rod
- drill jig
- clamp
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Abstract
The invention relates to a clamp for drilling oil holes on a crankshaft, which comprises a clamp body, a clamping mechanism, a connecting rod positioning mechanism and a drilling jig frame mechanism, wherein the clamping mechanism is provided with a drilling jig supporting seat, a pressing plate and a replaceable cushion block; the drilling jig supporting seat is movably arranged on the clamp body; the pressing plate is arranged on a pressing plate strut on the drilling jig supporting seat through a hinge pin; the lower part of the pressing plate is provided with a hold-down bolt; the hold-down bolt is screwed in, passes through the pressing plate and presses against the drilling jig supporting seat; a turn-knob compresses the bolt; a spindle neck is compressed or loosened through the lever action of the hinge pin arranged on the pressing plate and the pressing plate strut; the connecting rod positioning mechanism comprises a positioning column and a liner plate; the positioning column is arranged in a replaceable liner plate positioning hole; the top of the positioning column supports a connecting rod neck; and the drilling jig frame mechanism comprises the drilling jig supporting seat, a drilling jig plate and a drill bush. The clamp has the advantages of reasonable structure, convenient assembly, low manufacturing cost, strong popularity, and high efficiency of drilling the oil holes, greatly shortens the manufacturing period, and is suitable for clamping various crankshafts for drilling straight oil holes.
Description
Technical field
The present invention relates to a kind of anchor clamps, specifically a kind of clamp for drilling oil hole on crankshaft.
Background technology
We know, at present, the straight oilhole of bent axle its a kind of be on main bearing journal, another kind is to have on trunnion and connecting rod neck.The latter's processing needs respectively to join respectively a cover boring grab branch two procedures and finishes on two radial drilling machines.One procedure bores the straight oilhole of main shaft, another procedure bores the straight oilhole of connecting rod, because of every kind of crankshaft oil hole angle, crank spindle and connecting rod diameter require different, this just causes every kind of bent axle all to need two sleeve clamps, except versatility poor, also caused manufacturing cost height, the production cycle of anchor clamps long, clamping times is many, at the bottom of the efficient.
Summary of the invention
Technical problem to be solved by this invention is to overcome above-mentioned the deficiencies in the prior art, provides a kind of rational in infrastructure, easy to assembly, and low cost of manufacture guarantees crudy, bores oilhole efficient height, is suitable for the clamp for drilling oil hole on crankshaft of various types of crankshaft oil hole processing.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of clamp for drilling oil hole on crankshaft, it comprises clamp body, clamp mechanism, the connecting rod detent mechanism, the drill jig frame mechanism, it is characterized in that described clamp mechanism is provided with the drill jig supporting base, pressing plate, interchangeable cushion block, the drill jig supporting base is removable to be installed on the clamp body, pressing plate is installed on the pressing plate pillar on the drill jig supporting base by hinge pin, the pressing plate bottom is provided with a hold-down bolt, hold-down bolt screws in and passes pressing plate, withstand on the drill jig supporting base, its outer end is installed and is provided with the one handle bar, the turn-knob hold-down bolt, compress or unclamp trunnion by the hinge pin leverage on pressing plate and the pressing plate pillar, realize the loading and unloading bent axle; Described connecting rod detent mechanism comprises reference column, backing plate, and backing plate is removable to be installed on the clamp body, and backing plate is provided with locating hole, and reference column is installed in the removable backing plate locating hole, the connecting rod neck of reference column top-supported location bent axle; Described drill jig frame mechanism comprises drill jig supporting base, bushing plate, drill bushing, and bushing plate is fixed on drill jig supporting base top, and drill bushing is installed on the bushing plate.
The present invention also is provided with feeding supporting plate mechanism, and it comprises pallet stand and feeding supporting plate cushion block, and pallet stand is installed in drill jig supporting base front side.According to holder main bearing journal status requirement, can be installed on arbitrary main shaft drill jig supporting base.
The said pressing plate of the present invention is provided with orthogonal two elongated holes, and pressing plate can move up and down along pressing plate pillar and hinge pin by elongated hole.
The said interchangeable cushion block of the present invention is installed on the drill jig supporting base by vertical and level two directions.According to different bent axle diameter dimensions, change the different interchangeable cushion block of thickness, it is constant to remain the trunnion center, guarantees that drill bushing and the straight oil-hole location of main shaft are on same vertical line.
Drill jig frame mechanism of the present invention can be main shaft drill jig frame mechanism, also can be connecting rod drill jig frame mechanism.It is provided with said connecting rod drill jig frame mechanism connecting rod drill jig supporting base, connecting rod bushing plate, connecting rod and adds drill press socket, connecting rod reference column, backing plate, the connecting rod neck of reference column top-supported location bent axle, the connecting rod bushing plate is fixed on connecting rod drill jig supporting base top, connects the extension bar drill bushing and is movably arranged on the connecting rod bushing plate.Be used for the processing of the straight oilhole of respective link.
The said clamp body of the present invention is provided with keyway and T-slot, be provided with square nut in the T-slot, the backing plate bottom of drill jig supporting base and connecting rod detent mechanism is respectively equipped with keyway and screw counter bore, by key and the screw, the square nut that cooperatively interact, removable being installed on the clamp body of backing plate of drill jig supporting base and connecting rod detent mechanism.Clamp body of the present invention is connected the location with the backing plate of drill jig supporting base and connecting rod detent mechanism by key, has realized located lateral, according to different bent axle axial dimensions, can adjust the axial location of each supporting base and location backing plate.
The present invention adopts above-mentioned clamp mechanism, connecting rod detent mechanism, drill jig frame mechanism, it is according to different bent axle axial dimensions, clamp mechanism is installed on the desired location, and can highly change backing plate according to connecting rod eccentric throw size and location, realize the reliable location of connecting rod, the drill jig frame mechanism can be provided with different main shaft drill jig frame mechanisms and connecting rod drill jig frame mechanism according to different bent axles.Against existing technologies, the present invention is rational in infrastructure, easy to assembly, low cost of manufacture, highly versatile, can bore the trunnion of various bent axles and the straight oilhole of connecting rod neck, crudy is good, bores oilhole efficient height, has shortened the manufacturing cycle greatly, be a kind of desirable clamp for drilling oil hole on crankshaft, be applicable to various types of crankshaft oil hole processing.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is the assembly structure schematic diagram of the present invention and bent axle.
Fig. 2 is that A among Fig. 1 is to crank spindle clamp mechanism and main shaft drill jig frame mechanism structural representation.
Fig. 3 is that B among Fig. 1 is to connecting rod detent mechanism and connecting rod drill jig frame mechanism structural representation.
Fig. 4 is that C among Fig. 1 is to feeding supporting plate mechanism and main shaft drill jig frame mechanism structural representation.
1. handlebars among the figure, 2. hold-down bolt, 3. joint pin, 4. pressing plate pillar, 5. pressing plate, 6. main bearing journal, 7. main shaft bushing plate, 8. drill bushing, 9. interchangeable cushion block, 10. main shaft drill jig supporting base, 11. straight pins, 12. keys, 13. screw, 14. square nuts, 15. clamp bodies, 16. connecting rod bushing plates, 17. add drill press socket, 18. connecting rod drill jig supporting bases, 19. reference columns, 20. backing plate, 21. feeding supporting plate cushion blocks, 22. pallet stands.
The specific embodiment
Fig. 1 is the assembly structure schematic diagram of the present invention and bent axle.As can be seen from Figure 1, a kind of clamp for drilling oil hole on crankshaft, it comprises clamp body 15, clamp mechanism, connecting rod detent mechanism, drill jig frame mechanism etc.Various bent axles according to boring needs clamped, be fixed in the anchor clamps, so that carry out the drilling oil hole on crankshaft operation.The drill jig frame mechanism is generally main shaft drill jig frame mechanism, also can be two kinds of main shaft drill jig frame mechanism and connecting rod drill jig frame mechanisms.Connecting rod drill jig frame mechanism selectivity as required uses.Like this, both can be used for boring the straight oilhole of trunnion of bent axle, also can bore the straight oilhole of connecting rod neck as required.
From Fig. 1, Fig. 2 as can be seen, clamp mechanism is positioned at the two ends, the left and right sides of anchor clamps, generally is used for clamping crank spindle.Described clamp mechanism is provided with drill jig supporting base 10, pressing plate 5, interchangeable cushion block 9, main shaft drill jig supporting base 10 removable being installed on the clamp body 15, pressing plate 5 is installed on the pressing plate pillar 4 on the drill jig supporting base 10 by hinge pin 3, pressing plate pillar 4 usefulness straight pins 11 are fixed on the main shaft drill jig supporting base 10, pressing plate 5 bottoms are provided with a hold-down bolt 2, hold-down bolt 2 screws in and passes pressing plate 5, withstand on the drill jig supporting base 10, its outer end is installed and is provided with one handle bar 1, turn-knob hold-down bolt 2 compresses or unclamps main bearing journal 6 by pressing plate 5 and hinge pin 3 leverages on the pressing plate pillar 4.The said pressing plate 5 of the present invention is provided with orthogonal two elongated holes, and pressing plate 5 can move up and down along pressing plate pillar 4 and hinge pin 3 by two elongated holes, thereby realizes the bent axle clamping.Clamp body 15 is installed on the workbench of lathe.The said interchangeable cushion block 9 of the present invention is installed on the drill jig supporting base by vertical and level two directions.According to different bent axle diameter dimensions, change the different interchangeable cushion block 9 of thickness, it is constant to remain the trunnion center, guarantees that drill bushing and the straight oil-hole location of main shaft are on same vertical line.
Drill jig frame mechanism of the present invention can be main shaft drill jig frame mechanism, also can be connecting rod drill jig frame mechanism.The drill jig frame mechanism comprises drill jig supporting base, bushing plate, drill bushing, and bushing plate is fixed on drill jig supporting base top, and drill bushing is installed on the bushing plate.
Fig. 2 still is a kind of structural representation of main shaft drill jig frame mechanism, main shaft drill jig frame mechanism comprises main shaft drill jig supporting base 10, main shaft bushing plate 7, drill bushing 8, main shaft bushing plate 7 is fixed on main shaft drill jig supporting base 10 tops, and drill bushing 8 is fixedly mounted on the main shaft bushing plate 7.Main shaft drill jig supporting base 10 removable being installed on the clamp body 15, clamp body 15 is provided with keyway and T-slot, be provided with square nut 14 in the T-slot, main shaft drill jig supporting base 10 bottoms are respectively equipped with keyway and screw counter bore, by key 12 and the screw 13, the square nut 14 that cooperatively interact, main shaft drill jig supporting base 10 removable being installed on the clamp body 15.Clamp body 15 of the present invention is connected the location with main shaft drill jig supporting base 10 by key, has realized located lateral.According to different bent axle axial dimensions, can adjust the axial location of each supporting base.
Fig. 4 also is a kind of structural representation of main shaft drill jig frame mechanism, and itself and Fig. 2 are basic identical, and clamp body 15 of the present invention is connected the location with main shaft drill jig supporting base 10 by key, realizes located lateral.According to different bent axle axial dimensions, can adjust the axial location of each main shaft drill jig supporting base.
Fig. 3 is a kind of structural representation of connecting rod drill jig frame mechanism, it is provided with connecting rod drill jig supporting base 18, connecting rod bushing plate 16, connecting rod and adds drill press socket 17, connecting rod reference column 19, backing plate 20, the connecting rod neck of reference column 19 top-supported location bent axle, connecting rod bushing plate 16 is fixed on connecting rod drill jig supporting base 18 tops, connects extension bar drill bushing 17 and is movably arranged on the connecting rod bushing plate 16.Connecting rod adds drill press socket 17 and is installed in and increases connecting rod drill jig supporting base 18 and be installed on the connecting rod bushing plate 16, connecting rod adds drill press socket 17 and cooperates with the hole of connecting rod bushing plate 16 for little matched in clearance, when turning crankshaft, extract connecting rod and add drill press socket 17, avoid colliding with connecting rod.Main shaft drill jig supporting base 10 is identical with being connected of clamp body 15 among the connection of connecting rod drill jig supporting base 18 and clamp body 15 and Fig. 2, has realized located lateral, according to different bent axle axial dimensions, can adjust the axial location of each link supporting seat.
Fig. 3 still is a kind of structural representation of connecting rod detent mechanism.As can be seen from Figure 3, connecting rod detent mechanism of the present invention comprises reference column 19, backing plate 20, backing plate 20 removable being installed on the clamp body, and backing plate 20 is provided with locating hole, reference column 19 is installed in the removable backing plate locating hole, the connecting rod neck of reference column 19 top-supported location bent axle.Being used for connecting rod and circumferentially locating, is vertical with what guarantee the trunnion that bored all the time.Backing plate 20 is provided with locating hole, according to required connecting rod neck position location how much be provided with interchangeable reference column backing plate what, reference column can insert in arbitrary hole of interchangeable reference column backing plate, and highly can change the backing plate 20 of interchangeable reference column according to eccentric throw size and location.The backing plate 20 of connecting rod detent mechanism of the present invention and 15 removable connections of clamp body.Said clamp body 15 is provided with keyway and T-slot, be provided with square nut in the T-slot, backing plate 20 bottoms of connecting rod detent mechanism are provided with keyway and screw counter bore, by feather key 12 and the screw, the square nut that cooperatively interact, backing plate 20 removable being installed on the clamp body of connecting rod detent mechanism.Clamp body is connected the location with the backing plate of connecting rod detent mechanism by key, has realized located lateral, according to different bent axle axial dimensions, and the axial location of the adjustable backing plate 20 of adjusting.
The present invention also is provided with feeding supporting plate mechanism, and as can be seen from Figure 4, it comprises pallet stand 22 and feeding supporting plate cushion block 21 feeding supporting plate mechanism, and pallet stand 22 is installed in the front side of main shaft drill jig supporting base 10.Feeding supporting plate mechanism can be installed on arbitrary main shaft drill jig supporting base according to holder main bearing journal status requirement.
Anchor clamps assembling of the present invention is according to different bent axles, as four cylinders or six cylinders, assembling fixture.At first with the crank spindle clamp mechanism, connecting rod detent mechanism and main shaft drill jig frame mechanism and feeding carriage mechanism, connecting rod drill jig frame mechanism is pressed the parts assembling, assemble with clamp body as required then, as to adorn four cylinders all be that five trunnions and four connecting rod necks are formed, at main shaft two ends first and the 5th trunnion the crank spindle clamp mechanism is installed, second and the four main neck on main shaft drill jig frame and feeding supporting plate mechanism are installed, when being installed, the centre trunnion can not adorn the feeding carriage, in four connecting rod neck corresponding position installing connecting rods drill jig framves and reference column mechanism (four cylinders are only installed reference column mechanism at the first second connecting rod neck place, also visual the need installed).Other type bent axle can be with reference to this method assembling.
During use, be example still with four cylinder crankshafts, bent axle second and four main neck are hung in feeding supporting plate mechanism, at this moment bent axle is in and puts into not clamped condition, push main shaft drill jig supporting base then and circumferentially locate with reference column 19 and first connecting rod neck, again push plate 5 to two ends the first and the 5th trunnion hold-down bolt knob, bent axle is compressed, packing on the connecting rod bushing plate adds drill press socket.Drill bit just can align the drill bushing hole and go into to bore, bore the first, the 5th trunnion and the first, the 4th connecting rod neck oilhole, unclamp pressing plate afterwards, extract reference column and add drill press socket, turning crankshaft is circumferentially located with the second connecting rod neck place reference column of packing into, compress first and five trunnion with quadrat method with pressing plate with above-mentioned, on second, third connecting rod eck mould plate, pack into and add drill press socket, bore second, four main neck and second, third connecting rod neck oilhole, unload the whole trunnions of promptly finishing a bent axle and the processing of connecting rod neck oilhole.
Claims (8)
1. clamp for drilling oil hole on crankshaft, it comprises clamp body, clamp mechanism, the connecting rod detent mechanism, the drill jig frame mechanism, it is characterized in that described clamp mechanism is provided with the drill jig supporting base, pressing plate, interchangeable cushion block, the drill jig supporting base is removable to be installed on the clamp body, pressing plate is installed on the pressing plate pillar on the drill jig supporting base by hinge pin, the pressing plate bottom is provided with a hold-down bolt, hold-down bolt screws in and passes pressing plate, withstand on the drill jig supporting base, its outer end is installed and is provided with the one handle bar, the turn-knob hold-down bolt compresses or unclamps trunnion by the hinge pin leverage on pressing plate and the pressing plate pillar, realizes the loading and unloading bent axle; Described connecting rod detent mechanism comprises reference column, backing plate, and backing plate is removable to be installed on the clamp body, and backing plate is provided with locating hole, and reference column is installed in the removable backing plate locating hole, the connecting rod neck of reference column top-supported location bent axle; Described drill jig frame mechanism comprises drill jig supporting base, bushing plate, drill bushing, and bushing plate is fixed on drill jig supporting base top, and drill bushing is installed on the bushing plate.
2. clamp for drilling oil hole on crankshaft according to claim 1 is characterized in that: also be provided with feeding supporting plate mechanism, it comprises pallet stand and feeding supporting plate cushion block, and pallet stand is installed in drill jig supporting base front side.
3. clamp for drilling oil hole on crankshaft according to claim 1 is characterized in that: said pressing plate is provided with orthogonal two elongated holes, and pressing plate can move up and down along pressing plate pillar and hinge pin by elongated hole.
4. clamp for drilling oil hole on crankshaft according to claim 1 is characterized in that: said interchangeable cushion block is installed on the drill jig supporting base by vertical and level two directions, guarantees that the crank spindle center is constant.
5. clamp for drilling oil hole on crankshaft according to claim 1 is characterized in that: said drill jig frame mechanism is a main shaft drill jig frame mechanism.
6. clamp for drilling oil hole on crankshaft according to claim 1, it is characterized in that: said drill jig frame mechanism is a connecting rod drill jig frame mechanism, it is provided with connecting rod drill jig supporting base, connecting rod bushing plate, connecting rod and adds drill press socket, connecting rod reference column, backing plate, the connecting rod neck of reference column top-supported location bent axle, the connecting rod bushing plate is fixed on connecting rod drill jig supporting base top, and connecting rod adds drill press socket and is movably arranged on the connecting rod bushing plate.
7. clamp for drilling oil hole on crankshaft according to claim 1, it is characterized in that: said clamp body is provided with keyway and T-slot, be provided with square nut in the T-slot, drill jig supporting base bottom is provided with keyway and screw counter bore, by key and the screw, the square nut that cooperatively interact, the drill jig supporting base is removable to be installed on the clamp body.
8. clamp for drilling oil hole on crankshaft according to claim 1, it is characterized in that: said clamp body is provided with keyway and T-slot, be provided with square nut in the T-slot, the backing plate bottom of connecting rod detent mechanism is provided with keyway and screw counter bore, by key and the screw, the square nut that cooperatively interact, backing plate is removable to be installed on the clamp body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101384022A CN101628384B (en) | 2008-07-16 | 2008-07-16 | Clamp for drilling oil hole on crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101384022A CN101628384B (en) | 2008-07-16 | 2008-07-16 | Clamp for drilling oil hole on crankshaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101628384A true CN101628384A (en) | 2010-01-20 |
| CN101628384B CN101628384B (en) | 2010-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101384022A Expired - Fee Related CN101628384B (en) | 2008-07-16 | 2008-07-16 | Clamp for drilling oil hole on crankshaft |
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| CN (1) | CN101628384B (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102009213A (en) * | 2010-12-20 | 2011-04-13 | 南京农业大学 | Drilling jig device |
| CN102398182A (en) * | 2011-12-06 | 2012-04-04 | 天润曲轴股份有限公司 | Flexible clamp for connecting rod |
| CN102513841A (en) * | 2011-12-14 | 2012-06-27 | 常州市永益工具有限公司 | Drilling fixture |
| CN102601425A (en) * | 2012-03-22 | 2012-07-25 | 江苏扬力数控机床有限公司 | Drilling tool for mold guide bush of numerical control turrent punch press |
| CN102615307A (en) * | 2012-04-06 | 2012-08-01 | 健雄职业技术学院 | Drilling tool for radial hole of cylindrical part |
| CN102729078A (en) * | 2012-06-13 | 2012-10-17 | 江苏省徐州锻压机床厂集团有限公司 | Universal clamp for machining pin holes of ball-head screws |
| CN106141242A (en) * | 2016-08-05 | 2016-11-23 | 湖北伟翔数控机床股份有限公司 | Numerical control double-crankshaft end face borehole drill construction |
| CN107336036A (en) * | 2017-09-06 | 2017-11-10 | 桂林福达曲轴有限公司 | A kind of crank-shaft link neck loss of weight frock clamp |
| CN107649902A (en) * | 2017-09-27 | 2018-02-02 | 中国航空工业标准件制造有限责任公司 | Bihexagonal head type bolt head boring grab |
| CN107695727A (en) * | 2017-11-03 | 2018-02-16 | 西安航天精密机电研究所 | A kind of Universal clamp and its application method of structure class part |
| CN109465656A (en) * | 2018-11-15 | 2019-03-15 | 山东华宇工学院 | A kind of clamping device of numerically-controlled machine tool |
| CN110181293A (en) * | 2019-06-03 | 2019-08-30 | 成都迈动汽车零配件有限公司 | A kind of crankshaft drilling inclined oil hole of air fixture applied to Four-axis milling center |
| CN112453500A (en) * | 2020-11-20 | 2021-03-09 | 安徽信息工程学院 | Clamp device for drilling lever |
| CN114453895A (en) * | 2021-09-07 | 2022-05-10 | 盐城工学院 | Milling and drilling composite numerical control machine tool for processing open type thin-wall workpiece |
| CN114952651A (en) * | 2022-05-27 | 2022-08-30 | 重庆卓力标准件制造有限公司 | Safe type anchor clamps of motorcycle crankshaft processing usefulness |
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| CN102091936B (en) * | 2011-01-24 | 2013-12-11 | 青岛淄柴博洋柴油机股份有限公司 | Method for processing crankshaft oil holes |
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| DD214777A1 (en) * | 1983-03-22 | 1984-10-24 | Poessnecker Spannwerkzeuge Veb | QUICK RELEASE DEVICE |
| CN2865988Y (en) * | 2005-12-16 | 2007-02-07 | 中国重型汽车集团有限公司 | Drill clamping device |
| CN201231416Y (en) * | 2008-07-16 | 2009-05-06 | 天润曲轴股份有限公司 | Crankshaft oil hole drilling attachment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009213A (en) * | 2010-12-20 | 2011-04-13 | 南京农业大学 | Drilling jig device |
| CN102398182A (en) * | 2011-12-06 | 2012-04-04 | 天润曲轴股份有限公司 | Flexible clamp for connecting rod |
| CN102513841A (en) * | 2011-12-14 | 2012-06-27 | 常州市永益工具有限公司 | Drilling fixture |
| CN102601425A (en) * | 2012-03-22 | 2012-07-25 | 江苏扬力数控机床有限公司 | Drilling tool for mold guide bush of numerical control turrent punch press |
| CN102615307A (en) * | 2012-04-06 | 2012-08-01 | 健雄职业技术学院 | Drilling tool for radial hole of cylindrical part |
| CN102729078A (en) * | 2012-06-13 | 2012-10-17 | 江苏省徐州锻压机床厂集团有限公司 | Universal clamp for machining pin holes of ball-head screws |
| CN106141242B (en) * | 2016-08-05 | 2018-06-05 | 湖北伟翔数控机床股份有限公司 | Numerical control hyperbolic axial end borehole drill construction |
| CN106141242A (en) * | 2016-08-05 | 2016-11-23 | 湖北伟翔数控机床股份有限公司 | Numerical control double-crankshaft end face borehole drill construction |
| CN107336036A (en) * | 2017-09-06 | 2017-11-10 | 桂林福达曲轴有限公司 | A kind of crank-shaft link neck loss of weight frock clamp |
| CN107649902A (en) * | 2017-09-27 | 2018-02-02 | 中国航空工业标准件制造有限责任公司 | Bihexagonal head type bolt head boring grab |
| CN107695727A (en) * | 2017-11-03 | 2018-02-16 | 西安航天精密机电研究所 | A kind of Universal clamp and its application method of structure class part |
| CN109465656A (en) * | 2018-11-15 | 2019-03-15 | 山东华宇工学院 | A kind of clamping device of numerically-controlled machine tool |
| CN110181293A (en) * | 2019-06-03 | 2019-08-30 | 成都迈动汽车零配件有限公司 | A kind of crankshaft drilling inclined oil hole of air fixture applied to Four-axis milling center |
| CN112453500A (en) * | 2020-11-20 | 2021-03-09 | 安徽信息工程学院 | Clamp device for drilling lever |
| CN114453895A (en) * | 2021-09-07 | 2022-05-10 | 盐城工学院 | Milling and drilling composite numerical control machine tool for processing open type thin-wall workpiece |
| CN114453895B (en) * | 2021-09-07 | 2023-09-12 | 盐城工学院 | Milling and drilling compound numerical control machine tool for machining open type thin-wall workpieces |
| CN114952651A (en) * | 2022-05-27 | 2022-08-30 | 重庆卓力标准件制造有限公司 | Safe type anchor clamps of motorcycle crankshaft processing usefulness |
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| CN101628384B (en) | 2010-12-15 |
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