CN104493254B - Nut boring grab - Google Patents

Nut boring grab Download PDF

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Publication number
CN104493254B
CN104493254B CN201410745932.9A CN201410745932A CN104493254B CN 104493254 B CN104493254 B CN 104493254B CN 201410745932 A CN201410745932 A CN 201410745932A CN 104493254 B CN104493254 B CN 104493254B
Authority
CN
China
Prior art keywords
circular hole
diameter
sleeve
hole
gripper shoe
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
CN201410745932.9A
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Chinese (zh)
Other versions
CN104493254A (en
Inventor
曹建国
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 DICO AUTOMOTIVE RESEARCH Co Ltd
Original Assignee
CHONGQING DICO AUTOMOTIVE RESEARCH 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 DICO AUTOMOTIVE RESEARCH Co Ltd filed Critical CHONGQING DICO AUTOMOTIVE RESEARCH Co Ltd
Priority to CN201410745932.9A priority Critical patent/CN104493254B/en
Publication of CN104493254A publication Critical patent/CN104493254A/en
Application granted granted Critical
Publication of CN104493254B publication Critical patent/CN104493254B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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)
  • Earth Drilling (AREA)

Abstract

The invention discloses nut boring grab, including gripper shoe, abutment sleeve, bushing plate and connecting rod;Abutment sleeve removably connects with gripper shoe, connecting rod runs through gripper shoe and abutment sleeve, shoulder hole it is provided with in the middle part of gripper shoe, shoulder hole is followed successively by the first circular hole, the second circular hole and the 3rd circular hole from top to bottom, the diameter of the first circular hole is more than the diameter of the second circular hole, the diameter of the second circular hole is more than the diameter of the 3rd circular hole, the degree of depth degree of circular hole and the deep equality of the second circular hole, described abutment sleeve is the first sleeve and the second sleeve from top to bottom, and abutment sleeve is provided with the positioning through hole identical with the diameter of the 3rd circular hole;It is arranged with the first locking nut in described connecting rod, described threaded post is arranged with the second locking nut.Instant invention overcomes the boring grab of prior art have that working (machining) efficiency is low, drill bit and drill bushing serious wear, deficiency that labor intensity of operating staff is big.

Description

Nut boring grab
Technical field
The present invention relates to the drilling equipment field of flat pieces, be specifically related to a kind of nut boring grab.
Background technology
Nut is conventional use spare and accessory parts, and one of which is higher with the nut practicality of multiple breach.It is generally that then the position boring first needing machining gap becoming required breach by milling cutter milling when machining gap.The boring grab of prior art is made up of gripper shoe, drill jig, connecting rod, packing ring, locating piece and locking nut.When nut to be processed is installed, it is typically first to unclamp locking nut and takes off packing ring and bushing plate, workpiece is enclosed within connecting rod, then being enclosed within connecting rod by bushing plate, bushing plate is positioned at above workpiece, then mounting gasket and locking nut in connecting rod, make locking nut extruded gasket, packing ring pressure bushing plate, so that bushing plate and absorption surface, and workpiece is positioned by bushing plate.But bushing plate directly contacts with workpiece, the most very close to each other, form a closed system, chip removal difficulty during boring, thus cause penetration rate slow and the serious wear of drill bit and drill bushing.Generally bushing plate weight is 2kg, but turns card one subjob every time and be required for picking and placeing a bushing plate, because up to a hundred workpiece of one day merit to be added, it can be seen that the labor intensity of operator is bigger.
As can be seen here, the boring grab of prior art have that working (machining) efficiency is low, drill bit and drill bushing serious wear, deficiency that labor intensity of operating staff is big.
Summary of the invention
The technical problem to be solved in the present invention be the boring grab for prior art have that working (machining) efficiency is low, drill bit and drill bushing serious wear, deficiency that labor intensity of operating staff is big, a kind of nut boring grab is provided, have add that an efficiency is high, drill bit and drill bushing abrasion is little, labor intensity of operating staff is little feature.
In order to solve above-mentioned technical problem, the present invention provides following technical scheme: nut boring grab, including gripper shoe, abutment sleeve, bushing plate and connecting rod;Abutment sleeve removably connects with gripper shoe, bushing plate is positioned at above gripper shoe, connecting rod runs through gripper shoe and abutment sleeve, shoulder hole it is provided with in the middle part of gripper shoe, shoulder hole is followed successively by the first circular hole from top to bottom, second circular hole and the 3rd circular hole, the axial line of the first circular hole and the axial line of the second circular hole and the axial line conllinear of the 3rd circular hole, and first the diameter of circular hole more than the diameter of the second circular hole, the diameter of the second circular hole is more than the diameter of the 3rd circular hole, the degree of depth degree of circular hole and the deep equality of the second circular hole, described connecting rod is followed successively by threaded portion from top to bottom, smooth department and stopper, threaded portion is threaded rod, smooth department is cylinder, stopper is disk, and the axial line of the axial line of threaded portion and smooth department and the axial line conllinear of stopper;The diameter of threaded portion is less than the diameter of smooth department, and the diameter of smooth department is less than the diameter of stopper, and stopper is provided with multiple equally distributed through hole;The tapped blind hole corresponding with the through hole of baffle plate it is provided with bottom described gripper shoe;Described abutment sleeve is the first sleeve and the second sleeve from top to bottom, and the axial line conllinear of the axial line of the first sleeve and the second sleeve, and abutment sleeve is provided with the positioning through hole identical with the diameter of the 3rd circular hole;The external diameter of the first sleeve and the diameter of the second circular hole are identical, and the external diameter of the second sleeve and the diameter of the first circular hole are identical, and the height of the first sleeve is the twice of the second sleeve height;It is arranged with the first locking nut in described connecting rod, described threaded post is arranged with the second locking nut.
Use the nut boring grab in this programme, including gripper shoe, abutment sleeve, bushing plate and connecting rod;Gripper shoe plays the effect of support set abutment sleeve and workpiece.Workpiece is carried out radially positioning by abutment sleeve.During bit bore, bushing plate play the guiding role.Connecting rod plays connection the first locking nut makes the effect of locking nut workpiece pressing, and workpiece is axially positioned by the first locking nut.Bushing plate is carried out axially fixed by the second locking nut, it is to avoid when drill bit is through drill bushing, and bushing plate rotates.The workpiece that the first internal hole of sleeve of abutment sleeve is less carries out radially positioning, and the workpiece that endoporus is bigger is carried out radially positioning by the second sleeve.Workpiece is played squeezing action by locating piece, increases the lifting surface area of workpiece, avoids the first locking nut to concentrate workpiece stress and weigh workpiece wounded.
The operation principle of the present invention and have the beneficial effect that first by abutment sleeve formal dress on the supporting plate, the i.e. second sleeve is positioned at the first circular hole when the nut boring less to endoporus.Then two nut overlaps hole to be drilled are enclosed within the first sleeve, and first sleeve and nut matched in clearance hole to be drilled, sheathed locating piece in connecting rod, finally by sheathed for connecting rod the first locking nut, first locking nut extruding locating piece, make the nut that locating piece extruding is hole to be drilled, thus realize treating the location of boring nut.Regulating the second locking nut makes bushing plate can move in threaded post, the position of regulation bushing plate, and making drill bushing is 8 millimeters with the distance of nut hole to be drilled.Then rotate the second locking nut drill jig is positioned.
When the nut boring bigger to endoporus, first by abutment sleeve upside-down mounting on the supporting plate, the i.e. first sleeve is positioned at the second circular hole.Then by nut sleeve hole to be drilled on the second sleeve, and second sleeve and nut matched in clearance hole to be drilled, sheathed locating piece in connecting rod, finally by sheathed for connecting rod the first locking nut, first locking nut extruding locating piece, make the nut that locating piece extruding is hole to be drilled, thus realize treating the location of boring nut.Regulating the second locking nut makes bushing plate can move in threaded post, the position of regulation bushing plate, and making drill bushing is 8 millimeters with the distance of nut hole to be drilled.Then rotate the second locking nut drill jig is positioned.
The nut that endoporus is bigger can be clamped by the present invention as can be seen here, it is possible to clamps the nut that endoporus is less.Drill bushing and nut to be processed have gap, chip removal when facilitating nut to hole, and reduce drill bit and the abrasion of drill bushing.
Further, it is provided with multiple leg bottom described gripper shoe.Leg is convenient to be fixed this nut boring grab.
Further, the screw thread of described threaded post uses double thread.It is bigger that double thread revolves the distance advanced that turns around relative to unidirectional screw thread, bushing plate and the second locking nut.
Further, being provided with stage clip between described bushing plate and gripper shoe, threaded post is positioned at the internal diameter of stage clip.Stage clip supports bushing plate, helps out the axially location of drill jig.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the schematic top plan view of nut hole to be drilled.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference in Figure of description includes: gripper shoe 1, abutment sleeve 2, bushing plate 3, connecting rod 4, nut hole to be drilled 5, stage clip the 6, first locking nut the 7, second locking nut 8, drill bushing 9, leg 10.
Embodiment is substantially as shown in accompanying drawing 1, Fig. 2: nut boring grab, including gripper shoe 1, abutment sleeve 2, bushing plate 3 and connecting rod 4, abutment sleeve 2 removably connects with gripper shoe 1, and bushing plate 3 is positioned at above gripper shoe 1, and connecting rod 4 runs through gripper shoe 1 and abutment sleeve 2.Gripper shoe 1 bottom welding has four legs 10, the threaded post that gripper shoe 1 upper weld two is symmetrical relative to the axial line of gripper shoe 1.The screw thread of threaded post uses double thread.Being provided with stage clip 6 between bushing plate 3 and gripper shoe 1, stage clip 6 is enclosed within threaded post i.e. threaded post and is positioned at the internal diameter of stage clip 6.Bushing plate 3 is provided with the screwed hole threadeded with threaded post, and bushing plate 3 is provided with drill bushing 9 hole, is provided with drill bushing 9, drill bushing 9 and drill bushing 9 hole wall interference fit in drill bushing 9 hole.It is provided with shoulder hole in the middle part of gripper shoe 1, shoulder hole is followed successively by the first circular hole, the second circular hole and the 3rd circular hole from top to bottom, the axial line of the first circular hole and the axial line of the second circular hole and the axial line conllinear of the 3rd circular hole, and first the diameter of circular hole more than the diameter of the second circular hole, the diameter of the second circular hole is more than the diameter of the 3rd circular hole, the degree of depth degree of circular hole and the deep equality of the second circular hole.Connecting rod 4 is followed successively by threaded portion, smooth department and stopper from top to bottom, threaded portion be threaded rod, smooth department be cylinder, stopper be disk, and the axial line of the axial line of threaded portion and smooth department and the axial line conllinear of stopper.The diameter of threaded portion is less than the diameter of smooth department 2 millimeters, and the diameter of smooth department is less than the diameter of stopper 50 millimeters, and stopper is provided with four equally distributed through holes of a diameter of 10 millimeters.The M8 tapped blind hole corresponding with the through hole of baffle plate it is provided with bottom gripper shoe 1.Abutment sleeve 2 is the first sleeve and the second sleeve from top to bottom, and the axial line conllinear of the axial line of the first sleeve and the second sleeve, abutment sleeve 2 be provided with longitudinally through hole, location, and the diameter of the location diameter in hole and the 3rd circular hole is identical.The external diameter of the first sleeve and the diameter of the second circular hole are identical, and the external diameter of the second sleeve and the diameter of the first circular hole are identical.The height of the first sleeve is the twice of the second sleeve height.
When being embodied as the present invention, the first sleeve and the second sleeve are one-body molded, and threaded portion is also one-body molded with smooth department and baffle plate.Connecting rod 4 is connected by M8 screw with gripper shoe 1, prevents connecting rod 4 from rotating.
When the nut boring less to endoporus, first by abutment sleeve 2 formal dress in gripper shoe 1, the i.e. second sleeve is positioned at the first circular hole.Then two nut overlaps hole to be drilled are enclosed within the first sleeve, and first sleeve and nut matched in clearance hole to be drilled, reconnect and on bar 4, overlap a locating piece, finally in connecting rod 4, overlap the first locking nut 7, first locking nut extruding locating piece, make the nut that locating piece extruding is hole to be drilled, thus realize treating the location of boring nut 5.Regulating the second locking nut 8 makes bushing plate 3 can move in threaded post, the position of regulation bushing plate 3, and making drill bushing 9 is 8 millimeters with the distance of nut 5 hole to be drilled.Then rotate the second locking nut 8 drill jig is positioned.
When the nut boring bigger to endoporus, being first inverted in gripper shoe 1 by abutment sleeve 2, the i.e. first sleeve is positioned at the second circular hole.Then by nut sleeve hole to be drilled on the second sleeve, and second sleeve and nut matched in clearance hole to be drilled, reconnect and on bar 4, overlap a locating piece, finally in connecting rod 4, overlap the first locking nut 7, first locking nut extruding locating piece, make locating piece extrude nut hole to be drilled, thus realize treating the location of boring nut 5.Regulating the second locking nut 8 makes bushing plate 3 can move in threaded post, the position of regulation bushing plate 3, and making drill bushing 9 is 8 millimeters with the distance of nut 5 hole to be drilled.Then rotate the second locking nut 8 drill jig is positioned.
Above-described is only embodiments of the invention, and in scheme, the known general knowledge such as concrete structure and characteristic too much describes at this.Should be understood that; for a person skilled in the art, on the premise of without departing from present configuration, it is also possible to make some deformation and improvement; these also should be considered as protection scope of the present invention, and these are all without affecting effect and the practicality of invention that the present invention implements.

Claims (4)

1. nut boring grab, it is characterised in that: include gripper shoe, abutment sleeve, bushing plate and connecting rod;Abutment sleeve removably connects with gripper shoe, bushing plate is positioned at above gripper shoe, and connecting rod runs through gripper shoe and abutment sleeve, is provided with shoulder hole in the middle part of gripper shoe, shoulder hole is followed successively by the first circular hole, the second circular hole and the 3rd circular hole, the axial line of the first circular hole from top to bottom Axial line and the axial line conllinear of the 3rd circular hole with the second circular hole, and first the diameter of circular hole more than the diameter of the second circular hole, the diameter of the second circular hole is more than the diameter of the 3rd circular hole, the degree of depth of the first circular hole and the deep equality of the second circular hole, described connecting rod is followed successively by threaded portion, smooth department and stopper from top to bottom, threaded portion be threaded rod, smooth department be cylinder, stopper be disk, and the axial line of the axial line of threaded portion and smooth department and the axial line conllinear of stopper;The diameter of threaded portion is less than the diameter of smooth department, and the diameter of smooth department is less than the diameter of stopper, and stopper is provided with multiple equally distributed through hole;The tapped blind hole corresponding with the through hole of baffle plate it is provided with bottom described gripper shoe;Described abutment sleeve is the first sleeve and the second sleeve from top to bottom, and the axial line conllinear of the axial line of the first sleeve and the second sleeve, and abutment sleeve is provided with the positioning through hole identical with the diameter of the 3rd circular hole;The external diameter of the first sleeve and the diameter of the second circular hole are identical, and the external diameter of the second sleeve and the diameter of the first circular hole are identical, and the height of the first sleeve is the twice of the second sleeve height;It is arranged with the first locking nut in described connecting rod, described threaded post is arranged with the second locking nut, connecting rod is also arranged with locating piece.
Nut boring grab the most according to claim 1, it is characterised in that: it is provided with multiple leg bottom described gripper shoe.
Nut boring grab the most according to claim 2, it is characterised in that: the screw thread of described threaded post is double thread.
Nut boring grab the most according to claim 3, it is characterised in that: being provided with stage clip between described bushing plate and gripper shoe, threaded post is positioned at inside stage clip.
CN201410745932.9A 2014-12-09 2014-12-09 Nut boring grab Expired - Fee Related CN104493254B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410745932.9A CN104493254B (en) 2014-12-09 2014-12-09 Nut boring grab

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410745932.9A CN104493254B (en) 2014-12-09 2014-12-09 Nut boring grab

Publications (2)

Publication Number Publication Date
CN104493254A CN104493254A (en) 2015-04-08
CN104493254B true CN104493254B (en) 2016-09-28

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CN201410745932.9A Expired - Fee Related CN104493254B (en) 2014-12-09 2014-12-09 Nut boring grab

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107457433A (en) * 2017-08-25 2017-12-12 安徽信息工程学院 Diesel automobile filter shell bleeder plug drilling jig
CN109048430A (en) * 2018-10-29 2018-12-21 嘉兴祥盛汽车配件制造有限公司 A kind of positioning tool of flange nut drilling equipment
CN113618170B (en) * 2021-07-29 2022-04-15 济南三星灯饰有限公司 Aluminum alloy ex-trusions arc groove tapping prevents inclined to one side device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7765658B2 (en) * 2005-10-17 2010-08-03 Pratt & Whitney Canada Corp. Blade tip grinding tooling
CN201168885Y (en) * 2008-04-08 2008-12-24 宁波跃进汽车前桥有限公司 Rapid screw compressing apparatus
CN102069214B (en) * 2010-12-10 2013-01-09 芜湖大中机电制造有限公司 Clamp for multi-hole drill
CN202667834U (en) * 2012-05-11 2013-01-16 上海外高桥造船有限公司 Nut fixing device
CN204338962U (en) * 2014-12-09 2015-05-20 重庆迪科汽车研究有限公司 Nut boring grab

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160928

Termination date: 20171209

CF01 Termination of patent right due to non-payment of annual fee