CN204430366U - Crank curved bar center oilhole cleaning fixture - Google Patents

Crank curved bar center oilhole cleaning fixture Download PDF

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Publication number
CN204430366U
CN204430366U CN201420832601.4U CN201420832601U CN204430366U CN 204430366 U CN204430366 U CN 204430366U CN 201420832601 U CN201420832601 U CN 201420832601U CN 204430366 U CN204430366 U CN 204430366U
Authority
CN
China
Prior art keywords
crank
curved bar
hole
drill bit
diameter
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 - Fee Related
Application number
CN201420832601.4U
Other languages
Chinese (zh)
Inventor
盛明和
曹正素
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.)
CHONGQING XIEMA MECHANICAL CRANKSHAFT CO LTD
Original Assignee
CHONGQING XIEMA MECHANICAL 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 CHONGQING XIEMA MECHANICAL CRANKSHAFT CO LTD filed Critical CHONGQING XIEMA MECHANICAL CRANKSHAFT CO LTD
Priority to CN201420832601.4U priority Critical patent/CN204430366U/en
Application granted granted Critical
Publication of CN204430366U publication Critical patent/CN204430366U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model crank curved bar center oilhole cleaning fixture, comprise base plate, fixed head, drill bit assembly and air-blast atomizer, fixed head is vertically arranged on base plate one end, and drill bit assembly is arranged on the base plate other end, and air-blast atomizer is connected with pneumatic operated valve and is inclined at directly over fixed head; Described fixed head is provided with four arcs boss, semi-circular boss and curved bar through hole, the internal diameter of the circle that described circular arc boss is formed and crank shank external diameter match, diameter and the crank connecting link shaft hole diameter of described semi-circular boss match, and the diameter of described curved bar through hole and the diameter of crank curved bar root match; Described drill bit assembly comprises U-board, slide rail, pneumatic brill and drill bit, and slide rail is arranged in the middle part of U-board, and pneumatic drill bushing to be contained on slide rail and to be connected with cylinder, and drill bit is arranged on pneumatic brill.Advantageous Effects of the present utility model can load and unload crank easily, has gases at high pressure to be blown into bottom inclined oil hole of air, the burr remained in hole or drilling cuttings blown out.

Description

Crank curved bar center oilhole cleaning fixture
Technical field
The utility model relates to crank curved bar center oilhole Removal Technology, is related specifically to a kind of crank curved bar center oilhole cleaning fixture.
Background technology
Motorcycle engine crank curved bar is provided with center oilhole usually, so-called center oilhole refers to that crank curved bar termination extends to the elongated hole of the junction connected with inclined oil hole of air, described inclined oil hole of air refers to the oilhole extending to curved bar center oilhole from connecting rod axis hole, and its axis and curved bar center oil axially bored line are 30-60 degree angle.Usual employing special horizontal drilling machine processing crank curved bar center oilhole, because it is the elongated hole that draw ratio is larger, the drilling cuttings after processing may remain in hole, and meanwhile, the burr boring processing generation also may be attached to hole wall.Therefore, need, after crank curved bar center oil hole machined completes, to clear up it.Prior art crank curved bar center oilhole method for cleaning adopts brill to add and uses multi cylinder holder crank man-hour, and crank handling once need multiple operation, and its efficiency of loading and unloading is lower.In addition, be only have same size drill bit again to enter into hole during cleaning, by drill bit, the burr being attached to hole wall removed, the drilling cuttings in hole is taken out of meanwhile.Due to the effect without other external force, the burr cut or drilling cuttings still likely remain in hole, may cause mechanical wear or oil circuit blocking.Obviously, prior art crank curved bar center oilhole method for cleaning also exists that the efficiency of loading and unloading is lower, the burr that cuts or drilling cuttings still likely remain in hole and may cause the problem such as mechanical wear or oil circuit blocking.
Summary of the invention
In order to solve, the efficiency of loading and unloading that prior art crank curved bar center oilhole method for cleaning exists is lower, the burr that cuts or drilling cuttings still likely remain in hole and may cause the problem such as mechanical wear or oil circuit blocking, the utility model proposes a kind of crank curved bar center oilhole cleaning fixture.The utility model crank curved bar center oilhole cleaning fixture comprises base plate, fixed head, drill bit assembly and air-blast atomizer, fixed head is vertically arranged on base plate one end, drill bit assembly is arranged on the base plate other end, and air-blast atomizer is connected with pneumatic operated valve and is inclined at directly over fixed head; Described fixed head is provided with four arcs boss, semi-circular boss and curved bar through hole, the internal diameter of the circle that described circular arc boss is formed and crank shank external diameter match, diameter and the crank connecting link shaft hole diameter of described semi-circular boss match, and the diameter of described curved bar through hole and the diameter of crank curved bar root match; Described drill bit assembly comprises U-board, slide rail, pneumatic brill and drill bit, and slide rail is arranged in the middle part of U-board, and pneumatic drill bushing to be contained on slide rail and to be connected with cylinder, and drill bit is arranged on pneumatic brill; The axis of described drill bit and the axis coaxle of curved bar through hole; The axis of described air-blast atomizer and crank are arranged on the axis coaxle of inclined oil hole of air after on fixed head.
The Advantageous Effects of the utility model crank curved bar center oilhole cleaning fixture can load and unload crank easily, and, there are gases at high pressure to be blown into bottom inclined oil hole of air, the burr remained in hole or drilling cuttings are blown out.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic diagram of motorcycle engine crank inclined oil hole of air;
Accompanying drawing 2 is the structural representation of the utility model crank curved bar center oilhole cleaning fixture.
Below in conjunction with the drawings and specific embodiments, the utility model crank curved bar center oilhole cleaning fixture is further described.
Detailed description of the invention
Accompanying drawing 1 is the schematic diagram of motorcycle engine crank inclined oil hole of air, as seen from the figure, motorcycle engine crank curved bar is provided with center oilhole usually, so-called center oilhole refers to that crank curved bar termination extends to the elongated hole of the junction connected with inclined oil hole of air, described inclined oil hole of air refers to the oilhole extending to curved bar center oilhole from connecting rod axis hole, and its axis and curved bar center oil axially bored line are 30-60 degree angle.Usual employing special horizontal drilling machine processing crank curved bar center oilhole, because it is the elongated hole that draw ratio is larger, the drilling cuttings after processing may remain in hole, and meanwhile, the burr boring processing generation also may be attached to hole wall.Therefore, need, after crank curved bar center oil hole machined completes, to clear up it.Prior art crank curved bar center oilhole method for cleaning adopts brill to add and uses multi cylinder holder crank man-hour, and crank handling once need multiple operation, and its efficiency of loading and unloading is lower.In addition, be only have same size drill bit again to enter into hole during cleaning, by drill bit, the burr being attached to hole wall removed, the drilling cuttings in hole is taken out of meanwhile.Due to the effect without other external force, the burr cut or drilling cuttings still likely remain in hole, may cause mechanical wear or oil circuit blocking.Obviously, prior art crank curved bar center oilhole method for cleaning also exists that the efficiency of loading and unloading is lower, the burr that cuts or drilling cuttings still likely remain in hole and may cause the problem such as mechanical wear or oil circuit blocking.
Accompanying drawing 2 is the structural representation of the utility model crank curved bar center oilhole cleaning fixture, and in figure, 1 is base plate, 2 is fixed head, 3 is drill bit assembly, and 4 is air-blast atomizer, and 21 is circular arc boss, 22 is curved bar through hole, 23 is semi-circular boss, and 31 is U-board, and 32 is slide rail, 33 is pneumatic brill, and 34 is drill bit.As seen from the figure, the utility model crank curved bar center oilhole cleaning fixture comprises base plate 1, fixed head 2, drill bit assembly 3 and air-blast atomizer 4, fixed head 2 is vertically arranged on base plate 1 one end, drill bit assembly 3 is arranged on base plate 1 other end, and air-blast atomizer 4 is connected with pneumatic operated valve and is inclined at directly over fixed head 2; Described fixed head 2 is provided with four arcs boss 21, curved bar through hole 22 and semi-circular boss 23, the internal diameter of the circle that described circular arc boss 21 is formed and crank shank external diameter match, diameter and the crank connecting link shaft hole diameter of described semi-circular boss 23 match, and the diameter of described curved bar through hole 22 and the diameter of crank curved bar root match; Described drill bit assembly 3 comprises U-board 31, slide rail 32, pneumatic brill 33 and drill bit 34, and slide rail 32 is arranged in the middle part of U-board 31, and pneumatic brill 33 to be sleeved on slide rail 32 and to be connected with cylinder, and drill bit 34 is arranged on pneumatic brill 33; The axis of described drill bit 34 and the axis coaxle of curved bar through hole 22; The axis of described air-blast atomizer 4 and crank are arranged on the axis coaxle of inclined oil hole of air after on fixed head 2.When adopting utility model crank curved bar center oilhole cleaning fixture cleaning crank curved bar center oilhole, crank curved bar is inserted in curved bar through hole, and make crank shank bottom surface be close to hang plate surface, the internal diameter of circle formed due to four arcs boss and crank shank external diameter match, diameter and the crank connecting link shaft hole diameter of semi-circular boss match, the diameter of curved bar through hole and the diameter of crank curved bar root match, therefore, crank can be located preferably and can be comparatively firmly fixed in circular arc boss, semi-circular boss and curved bar through hole composition clamping gap.Due to when inclined oil hole of air chamfering, do not needed larger blessing power, therefore, the chucking power in above-mentioned clamping gap enough, no longer can increase class clamping devices such as cylinder.To be connected with pneumatic operated valve due to air-blast atomizer and to be inclined at directly over fixed head, and the axis of air-blast atomizer and crank are arranged on the axis coaxle of inclined oil hole of air after on fixed head.Opens solenoid valve, air-blast atomizer is pushed to the opening part of crank inclined oil hole of air by pneumatic operated valve, and by inclined oil hole of air to center oilhole inject high pressure air, meanwhile, another cylinder promotes pneumatic brill and moves along slide rail to crank curved bar center oilhole and enter wherein, clears up the burr being attached to hole wall, leave center oilhole with drill bit in drill bit scale removal process after, the pressure-air entered from inclined oil hole of air opening part is blowing always, the burr cut or drilling cuttings can be blown out.
Obviously, the Advantageous Effects of the utility model crank curved bar center oilhole cleaning fixture can load and unload crank easily, and, there are gases at high pressure to be blown into bottom inclined oil hole of air, the burr remained in hole or drilling cuttings are blown out.

Claims (1)

1. a crank curved bar center oilhole cleaning fixture, it is characterized in that, this fixture comprises base plate, fixed head, drill bit assembly and air-blast atomizer, fixed head is vertically arranged on base plate one end, drill bit assembly is arranged on the base plate other end, and air-blast atomizer is connected with pneumatic operated valve and is inclined at directly over fixed head; Described fixed head is provided with four arcs boss, semi-circular boss and curved bar through hole, the internal diameter of the circle that described circular arc boss is formed and crank shank external diameter match, diameter and the crank connecting link shaft hole diameter of described semi-circular boss match, and the diameter of described curved bar through hole and the diameter of crank curved bar root match; Described drill bit assembly comprises U-board, slide rail, pneumatic brill and drill bit, and slide rail is arranged in the middle part of U-board, and pneumatic drill bushing to be contained on slide rail and to be connected with cylinder, and drill bit is arranged on pneumatic brill; The axis of described drill bit and the axis coaxle of curved bar through hole; The axis of described air-blast atomizer and crank are arranged on the axis coaxle of inclined oil hole of air after on fixed head.
CN201420832601.4U 2014-12-24 2014-12-24 Crank curved bar center oilhole cleaning fixture Expired - Fee Related CN204430366U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420832601.4U CN204430366U (en) 2014-12-24 2014-12-24 Crank curved bar center oilhole cleaning fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420832601.4U CN204430366U (en) 2014-12-24 2014-12-24 Crank curved bar center oilhole cleaning fixture

Publications (1)

Publication Number Publication Date
CN204430366U true CN204430366U (en) 2015-07-01

Family

ID=53598286

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420832601.4U Expired - Fee Related CN204430366U (en) 2014-12-24 2014-12-24 Crank curved bar center oilhole cleaning fixture

Country Status (1)

Country Link
CN (1) CN204430366U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114871506A (en) * 2022-06-02 2022-08-09 重庆歇马机械曲轴有限公司 Automatic cleaning device for burrs of crank oil duct

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114871506A (en) * 2022-06-02 2022-08-09 重庆歇马机械曲轴有限公司 Automatic cleaning device for burrs of crank oil duct
CN114871506B (en) * 2022-06-02 2024-02-09 重庆歇马机械曲轴有限公司 Automatic cleaning device for burrs of crank oil duct

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150701

Termination date: 20161224