CN102513839A - Drilling device of flange face bolt - Google Patents

Drilling device of flange face bolt Download PDF

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Publication number
CN102513839A
CN102513839A CN2011104059392A CN201110405939A CN102513839A CN 102513839 A CN102513839 A CN 102513839A CN 2011104059392 A CN2011104059392 A CN 2011104059392A CN 201110405939 A CN201110405939 A CN 201110405939A CN 102513839 A CN102513839 A CN 102513839A
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CN
China
Prior art keywords
flange
bolt
drilling
hole
limiting plate
Prior art date
Application number
CN2011104059392A
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Chinese (zh)
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CN102513839B (en
Inventor
王修保
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河南航天精工制造有限公司
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Priority to CN201110405939.2A priority Critical patent/CN102513839B/en
Publication of CN102513839A publication Critical patent/CN102513839A/en
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Publication of CN102513839B publication Critical patent/CN102513839B/en
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Abstract

The invention provides a drilling device of a flange face bolt. The drilling device comprises a drill jig body which is provided with a mounting hole matched with a head part of the flange face bolt; one end of the mounting hole is provided with a limiting plate, which is used for sealing the mounting hole, by the drill jig body; the drill jig body is provided with a guide hole and a cutter back-off hole; the guide hole and the cutter back-off hole are communicated with the mounting hole, respectively; and the drilling device further comprises a clamping mechanism which is used for pressing and matching the head part of the flange face bolt with the inner end of the limiting plate. In a drilling process, the inner wall of the mounting hole is adhered to the side face of the head part of the flange face bolt, thereby avoiding rotation of the flange face bolt by the acting force of a drill bit in the drilling process; and meanwhile, the guide hole and the cutter back-off hole, which are arranged according to loosening safe holes to be machined on a flange face, respectively ensure machining precision and in-place machining when the drill bit is used for machining the loosening safe holes; and therefore, the drilling device has the characteristics of a simple structure, convenience for operation, high machining efficiency and high machining precision.

Description

The drilling equipment of flange face bolt
Technical field
The present invention relates to the drilling equipment of a kind of flange face bolt in the field of machining.
Background technology
Bihexagonal head screw and hexagon bolt with flange all good be connected, locate and loosen effect owing to having, and have obtained extensive use in Aeronautics and Astronautics, engine and bullet train field.Bihexagonal head screw and hexagon bolt with flange constitute by polygonal head, flange and screw portion; Wherein the diameter of flange is greater than the maximum gauge of cerioid head, and just flange is the skirt structure that has between head and the screw portion of above-mentioned two kinds of flange face bolts.In relevant criterion; Connection to hexagon bolt with flange and bihexagonal head screw is firm, accurate positioning, anti-loosening property, dimensional uniformity etc. all have special requirement, and this just requires position dimension, the form and position tolerance in the locking insurance hole of hexagon bolt with flange and bihexagonal head screw head all must be controlled within certain scope.Because the locking insurance hole after the processing is in the position at the bottom of the angle, and requires two axially bored lines to be certain angle, when adopting pincers worker line Milling Process; Locate Milling Process to loosen under the working (machining) efficiency in insurance hole through shaking dividing head, complicated operation, processing cost is high; Mismachining tolerance is big, and when adopting conventional method boring, a clamping can only be processed one and loosen the insurance hole; And deflection takes place in drill bit easily in the process of boring; Thereby make drill bit on the flange face bolt, get out inclined hole, scratch bolt head, and then make the uniformity of position dimension in locking insurance hole to guarantee.
Summary of the invention
The present invention proposes a kind of drilling equipment of flange face bolt, be intended to solve the insurance hole of loosening of flange face bolt in the prior art and in process, locate inaccurate and the low problem of working (machining) efficiency.
The technical scheme of the drilling equipment of this flange face bolt is following:
A kind of drilling equipment of flange face bolt; Said drilling equipment comprises the model drilling body that offers the installing hole that is used for pasting mutually with coincideing of the head of flange face bolt; Said installing hole is a through hole; Said model drilling body in an end of installing hole be provided be used to seal up installing hole with model drilling body one or the limiting plate that is fixedly connected; The corresponding pilot hole of anti-porosity that need process with the flange face bolt that offers coaxial setting on the said model drilling body and let tool bore, said pilot hole and let tool bore be communicated with installing hole respectively; Said drilling equipment also comprises and is used for flange face bolt, model drilling body and limiting plate are packed in it and made the clamp mechanism of inner press fit of head and the limiting plate of flange face bolt.
Convex with the boss that is used for the head press fit of flange face bolt on the inner end face of said limiting plate.
Said limiting plate and model drilling body are fixedly connected through bonding or welding or bolted mode.
Said pilot hole and let tool bore all have two, and two pilot holes are vertical each other.
Said clamp mechanism comprises the U-shaped supporting base; Said model drilling body is in the opening of supporting base; The axis of said installing hole is vertical with the sidewall of supporting base, and said supporting base is in be used to make the locking nut of head press fit of limiting plate and flange face bolt near axially being installed with of a side sidewall upper edge installing hole of limiting plate.
Said locking nut is the butterfly locking nut.
Said clamp mechanism also comprises the gripping sleeve on the screw rod periphery that is used to be set in the flange face bolt, the internal diameter of the through hole of offering on the sidewall of said gripping sleeve external diameter greater than said supporting base.
Said supporting base offers through hole on the side sidewall away from clamping screw, the diameter of said through hole is greater than the external diameter of flange face bolt screw rod, and less than the internal diameter of said gripping sleeve.
Said clamp mechanism is a vice, and said model drilling body and limiting plate are in the jaw of vice, and the axis of said installing hole is vertical with the both sides sidewall of vice.
Said clamp mechanism also comprises the gripping sleeve on the screw rod periphery that is used to be set in the flange face bolt, and said vice makes the inner press fit of head and said limiting plate of flange face bolt through gripping sleeve.
The head of flange face bolt is in the installing hole with model drilling body among the present invention; And the inwall of installing hole coincide with the head of flange face bolt and pastes mutually; In boring procedure, the inwall of installing hole pastes with the side of flange face bolt head mutually, thereby has avoided in boring procedure; The flange face bolt receives the active force of drill bit and rotates; Simultaneously, insure the pilot hole of offering in the hole and let tool bore guarantee that respectively machining accuracy and the processing of drill bit when the insurance hole is loosened in processing puts in place according to loosening of needs processing on the flange face, so this drilling equipment has characteristics simple in structure, easy to operate, that working (machining) efficiency is high and machining accuracy is high; And in use; The flange face bolt of clamping on this drilling equipment can be measured loosening the insurance hole through micrometer and stopper very easily, thereby increased the efficient that product detects, and satisfied the requirement of standardized production.
Description of drawings
Fig. 1 is the structural representation of embodiments of the invention;
Fig. 2 is the structural representation of bihexagonal head screw among Fig. 1;
Fig. 3 is the left view of bihexagonal head screw among Fig. 2;
Fig. 4 is the structural representation of model drilling body among Fig. 1;
Fig. 5 is the left view of model drilling body among Fig. 4;
Fig. 6 is the assembly structure sketch map of bihexagonal head screw and limiting plate and model drilling body;
Fig. 7 is the assembly structure sketch map of bihexagonal head screw and limiting plate, model drilling body and gripping sleeve.
The specific embodiment
The embodiment of the drilling equipment of flange face bolt of the present invention: extremely shown in Figure 7 like Fig. 1; This drilling equipment can be applicable to the head boring to bihexagonal head screw 1 (as shown in Figures 2 and 3); Bihexagonal head screw mainly is made up of head, flange and the screw portion of 12 horn shapes, and wherein flange is the skirt structure that is between head and the screw portion.Drilling equipment mainly is made up of clamp mechanism, model drilling body 2 and limiting plate 3; Wherein, Offer the installing hole 4 that coincide and paste mutually with the head of bihexagonal head screw 1 on the model drilling body 2; Offer coaxial setting on the model drilling body 2 with bihexagonal head screw 1 on need the corresponding pilot hole 5 of anti-porosity of processing and let tool bore 6, pilot hole 5 and let tool bore 6 be communicated with installing hole 4 respectively, and pilot hole 5 and let tool bore 6 all have two; Two pilot holes 5 are vertical each other, and just pilot hole 5 and tool bore 6 need be processed respectively at the head of bihexagonal head screw 1 the locking insurance of cross hole are corresponding.This installing hole 4 is a through hole; Model drilling body 2 is provided with the limiting plate 3 that is fixedly connected through the bonding mode of anaerobic adhesive with model drilling body 2 that is used to seal up installing hole 4 in an end of installing hole 4; Convex with on the inner end face of limiting plate 3 protruding 7, the head press fit of the end face of boss 7 and bihexagonal head screw 1; And clamp mechanism mainly is made up of the clamping screw 9 that wears on U-shaped supporting base 8 and the supporting base 8 one side sidewalls; Clamping screw 9 wherein is the butterfly clamping screw; And model drilling body 2 just is in the opening of supporting base 8 with limiting plate 3; And the axis of the installing hole 4 of model drilling body 2 is vertical with supporting base 8 side walls, and the spinning direction of clamping screw 9 overlaps with the axial of installing hole 4.Simultaneously; In the opening of supporting base 8, also be provided with internal diameter on the screw rod periphery that is used to be set in bihexagonal head screw 1 greater than the screw rod external diameter of bihexagonal head screw 1 and less than the gripping sleeve 10 of the head flanges diameter of bihexagonal head screw 1; Just state gripping sleeve 10 1 ends and be used for the end face press fit with the flange of bihexagonal head screw 1, the other end is used for the sidewall press fit with supporting base 1.
In addition; Supporting base 8 offers the through hole 11 that the endoporus with gripping sleeve 10 that the screw rod that supplies bihexagonal head screw 1 passes is communicated with on the side sidewall near gripping sleeve 10; The diameter of this through hole 11 is greater than the external diameter of the screw rod of bihexagonal head screw 1, and less than the internal diameter of gripping sleeve 10.In use; The part of the screw rod of bihexagonal head screw 1 passes from through hole 11; Remainder is in the opening of supporting base 8; And on the periphery of this part, be arranged with gripping sleeve 10, therefore when the head of bihexagonal head screw 1 received the axial force of locking nut 9, the flange of bihexagonal head screw 1 was through the sidewall tight fit of gripping sleeve 10 with supporting base 8; Just clamping screw 9 is positioned at bihexagonal head screw 1 on this drilling equipment through gripping sleeve 10; Simultaneously because the screw flight end of bihexagonal head screw 1 stretches out from the through hole of the sidewall of supporting base 8, thereby the structure of this supporting seat 8 can reduce the length of supporting base 8 under the prerequisite of the effective location that guarantees bihexagonal head screw 1, just reduce the floor space of whole drilling equipment.
This drilling equipment concrete operations step in use is following:
Beginning to add man-hour, unscrewing the clamping screw 9 on the supporting base 8 earlier, then the head of bihexagonal head screw 1 is being packed in the installing hole 4 of model drilling body 2; Then on the screw rod of bihexagonal head screw 1, put gripping sleeve 10; The integral body that then model drilling body 2, bihexagonal head screw 1 and gripping sleeve 10 is constituted again is placed in the opening of supporting base 8, and the end of thread on the screw rod of bihexagonal head screw 1 is passed the caging bolt 9 of screwing then from the through hole 11 that the sidewall of supporting base 8 is offered; Make the front end of caging bolt 9 withstand on the limiting plate 3 of model drilling body 2 ends setting; Then continue the caging bolt 9 of screwing, make the head of bihexagonal head screw 1 be locked in the installing hole 4 of model drilling body 2, can use drill bit to pass through first locking insurance hole of pilot hole 5 processing bihexagonal head screws 1 more with that; Process first loosen the insurance hole after; After the integral body that whole drilling equipment and bihexagonal head screw 1 constituted was turned over and turn 90 degrees, drill bit was through second locking insurance hole of another pilot hole 5 processing bihexagonal head screws 1, after machining; The head of bihexagonal head screw 1 has just had the locking insurance of a cross hole; After boring is accomplished, unscrew clamping screw 9, pull down model drilling body 2 from the head of bihexagonal head screw 1 earlier; In the opening of supporting base 8, take off bihexagonal head screw 1 and gripping sleeve 10 successively then, just can accomplish boring processing a bihexagonal head screw 1.
In the above-described embodiments; The cross section of the installing hole of offering on the model drilling body is the polygon of 12 horn shapes, and in other embodiments, the cross section of this installing hole also can be hexagon or other polygons; And the concrete shape of the cross section of installing hole is corresponding with the shape of the head of flange face bolt to be processed; Just, when the head of flange face bolt is the hexagonal shape, installing hole is also corresponding be can with the hexagonal shape head of the hexagon bolt with flange installing hole of subsides mutually that coincide.
In the above-described embodiments; Convex with boss on the inner face of limiting plate, this boss is used for the head press fit with the flange face bolt, the problem that the flange of having avoided the end of model drilling body to contact the flange face bolt that causes with the flange face of flange face bolt is worn; In other embodiments; Also can not be convexly equipped with boss on the limiting plate, only need the axial length of model drilling body be shortened, like this end of model drilling body also not can with the flange joint of flange face bolt.
In the above-described embodiments; Limiting plate is fixed on the end of model drilling body through the mode of anaerobic adhesive bonding; In other embodiments, limiting plate also can be fixed on the end of model drilling body through welding or bolted mode, and perhaps limiting plate and model drilling body are wholely set; These structures are prior art, therefore no longer detail.
In the above-described embodiments; Supporting base makes clamp mechanism realize the effect of its clamping through sheathed gripping sleeve on the screw rod of the through hole offered on the one of which side sidewall and flange face bolt; In other embodiments, through hole and gripping sleeve also can only use one, when clamp mechanism does not comprise gripping sleeve; But when on a side sidewall of supporting base, offering through hole, the clamped grips of press fit between the end face that the flange face bolt can be through its flange and the sidewall of supporting base; Comprise gripping sleeve in clamp mechanism; But when not offering above-mentioned through hole on the sidewall of supporting base; In use; The end face press fit of one end of gripping sleeve and the flange of flange face bolt, the sidewall press fit of the other end and said supporting base, so the flange face bolt can pass through the clamped grips of this gripping sleeve.In addition, clamp mechanism also can neither be offered above-mentioned through hole, does not also comprise gripping sleeve, in use, the end of the screw rod of flange face bolt directly and the sidewall press fit of supporting base, thereby make the clamped grips of flange face bolt through this press fit.
In the above-described embodiments, clamp mechanism mainly is made up of the clamping screw that wears on U-shaped supporting base and the supporting base one side sidewall, in other embodiments; Clamp mechanism also can be vice; In use, model drilling body is in the jaw of vice, and the axis of installing hole is vertical with the both sides sidewall of vice jaw; And an end of flange face bolt withstands on the sidewall of vice jaw one side through the limiting plate that model drilling body and model drilling body end are provided with, and the other end directly withstands on the opposite side sidewall of vice jaw; In addition, in the jaw of vice gripping sleeve can also be set, in use, the end face press fit of the flange of gripping sleeve one end and flange face bolt, the sidewall press fit of the other end and said vice.
In the above-described embodiments; Offer two pairs of orthogonal pilot holes on the model drilling body and let tool bore; In other embodiments; Also can offer at least one pair of pilot hole on the model drilling body and let tool bore, and when working as pilot hole and letting tool bore, two pairs of pilot holes and let the angle between the tool bore also can not be 90 degree at least two pairs; And the pilot hole on the model drilling body and let the concrete quantity of tool bore and the quantity and the position of the anti-porosity on the flange face bolt that relative position is processed according to actual needs confirm, just pilot hole and let on tool bore and the flange face bolt anti-porosity to be processed corresponding.
In the above-described embodiments; The clamping screw that wears on the opening sidewalls of supporting base is the butterfly clamping screw; Make the operator can be directly through manual mode with the flange face locked with bolts in the installing hole of model drilling body; In other embodiments, this clamping screw also can be plain bolt, thereby has reduced the manufacturing cost of whole drilling equipment.

Claims (10)

1. the drilling equipment of a flange face bolt; It is characterized in that: said drilling equipment comprises the model drilling body that offers the installing hole that is used for pasting mutually with coincideing of the head of flange face bolt; Said installing hole is a through hole; Said model drilling body in an end of installing hole be provided be used to seal up installing hole with model drilling body one or the limiting plate that is fixedly connected; The corresponding pilot hole of anti-porosity that need process with the flange face bolt that offers coaxial setting on the said model drilling body and let tool bore, said pilot hole and let tool bore be communicated with installing hole respectively; Said drilling equipment also comprises and is used for flange face bolt, model drilling body and limiting plate are packed in it and made the clamp mechanism of inner press fit of head and the limiting plate of flange face bolt.
2. the drilling equipment of flange face bolt according to claim 1 is characterized in that: convex with the boss that is used for the head press fit of flange face bolt on the inner end face of said limiting plate.
3. the drilling equipment of flange face bolt according to claim 1 is characterized in that: said limiting plate and model drilling body are fixedly connected through bonding or welding or bolted mode.
4. the drilling equipment of flange face bolt according to claim 1 is characterized in that: said pilot hole and let tool bore all have two, and two pilot holes are vertical each other.
5. according to the drilling equipment of any described flange face bolt of claim 1 to 4; It is characterized in that: said clamp mechanism comprises the U-shaped supporting base; Said model drilling body is in the opening of supporting base; The axis of said installing hole is vertical with the sidewall of supporting base, and said supporting base is in be used to make the locking nut of head press fit of limiting plate and flange face bolt near axially being installed with of a side sidewall upper edge installing hole of limiting plate.
6. the drilling equipment of flange face bolt according to claim 5 is characterized in that: said locking nut is the butterfly locking nut.
7. the drilling equipment of flange face bolt according to claim 5; It is characterized in that: said clamp mechanism also comprises the gripping sleeve on the screw rod periphery that is used to be set in the flange face bolt, the internal diameter of the through hole of offering on the sidewall of said gripping sleeve external diameter greater than said supporting base.
8. the drilling equipment of flange face bolt according to claim 5; It is characterized in that: said supporting base offers through hole on the side sidewall away from clamping screw; The diameter of said through hole is greater than the external diameter of flange face bolt screw rod, and less than the internal diameter of said gripping sleeve.
9. according to the drilling equipment of any described flange face bolt of claim 1 to 4, it is characterized in that: said clamp mechanism is a vice, and said model drilling body and limiting plate are in the jaw of vice, and the axis of said installing hole is vertical with the both sides sidewall of vice.
10. the drilling equipment of flange face bolt according to claim 9; It is characterized in that: said clamp mechanism also comprises the gripping sleeve on the screw rod periphery that is used to be set in the flange face bolt, and said vice makes the inner press fit of head and said limiting plate of flange face bolt through gripping sleeve.
CN201110405939.2A 2011-12-08 2011-12-08 Drilling device of flange face bolt Active CN102513839B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110405939.2A CN102513839B (en) 2011-12-08 2011-12-08 Drilling device of flange face bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110405939.2A CN102513839B (en) 2011-12-08 2011-12-08 Drilling device of flange face bolt

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CN102513839A true CN102513839A (en) 2012-06-27
CN102513839B CN102513839B (en) 2014-10-01

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103639722A (en) * 2013-11-29 2014-03-19 无锡市航鹄科技有限公司 Drilling positioning tooling of soft workpiece
CN104400496A (en) * 2014-11-26 2015-03-11 河南航天精工制造有限公司 Flange nut tapping tool
CN104690567A (en) * 2013-12-04 2015-06-10 铜陵市永生机电制造有限责任公司 Portable metal ball drilling fixture
CN107263136A (en) * 2017-06-20 2017-10-20 西安航天发动机厂 A kind of device suitable for radially being punched on screw rod
CN110757192A (en) * 2019-10-12 2020-02-07 重庆长安工业(集团)有限责任公司 Tool bullet inner core drilling clamp

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Publication number Priority date Publication date Assignee Title
WO2003000448A1 (en) * 2001-06-21 2003-01-03 Bae Systems Plc Split-pin drill jig
CN101758397A (en) * 2008-10-31 2010-06-30 江苏罡阳股份有限公司 Positioning and drilling fixture for crank oil hole
CN101791765A (en) * 2010-01-15 2010-08-04 无锡市艾尔福叶片有限公司 Universal hold-down mechanism of steam turbine blade drill jig
CN201669447U (en) * 2010-03-10 2010-12-15 南通中能机械制造有限公司 Drilling jig of internal radial pin hole and back radial pin hole for rear pin hole of steam turbine leaf blade
CN202021367U (en) * 2010-12-28 2011-11-02 邵阳神风动力制造有限责任公司 Drill jig positioning mechanism
CN202037466U (en) * 2011-04-27 2011-11-16 河南航天精工制造有限公司 Clamping device used for workpiece machining
CN202411863U (en) * 2011-12-08 2012-09-05 河南航天精工制造有限公司 Drilling device for flange face bolt

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003000448A1 (en) * 2001-06-21 2003-01-03 Bae Systems Plc Split-pin drill jig
CN101758397A (en) * 2008-10-31 2010-06-30 江苏罡阳股份有限公司 Positioning and drilling fixture for crank oil hole
CN101791765A (en) * 2010-01-15 2010-08-04 无锡市艾尔福叶片有限公司 Universal hold-down mechanism of steam turbine blade drill jig
CN201669447U (en) * 2010-03-10 2010-12-15 南通中能机械制造有限公司 Drilling jig of internal radial pin hole and back radial pin hole for rear pin hole of steam turbine leaf blade
CN202021367U (en) * 2010-12-28 2011-11-02 邵阳神风动力制造有限责任公司 Drill jig positioning mechanism
CN202037466U (en) * 2011-04-27 2011-11-16 河南航天精工制造有限公司 Clamping device used for workpiece machining
CN202411863U (en) * 2011-12-08 2012-09-05 河南航天精工制造有限公司 Drilling device for flange face bolt

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103639722A (en) * 2013-11-29 2014-03-19 无锡市航鹄科技有限公司 Drilling positioning tooling of soft workpiece
CN104690567A (en) * 2013-12-04 2015-06-10 铜陵市永生机电制造有限责任公司 Portable metal ball drilling fixture
CN104400496A (en) * 2014-11-26 2015-03-11 河南航天精工制造有限公司 Flange nut tapping tool
CN107263136A (en) * 2017-06-20 2017-10-20 西安航天发动机厂 A kind of device suitable for radially being punched on screw rod
CN110757192A (en) * 2019-10-12 2020-02-07 重庆长安工业(集团)有限责任公司 Tool bullet inner core drilling clamp

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