CN110238465B - Cylindrical internal thread part sizing tool - Google Patents

Cylindrical internal thread part sizing tool Download PDF

Info

Publication number
CN110238465B
CN110238465B CN201910412511.7A CN201910412511A CN110238465B CN 110238465 B CN110238465 B CN 110238465B CN 201910412511 A CN201910412511 A CN 201910412511A CN 110238465 B CN110238465 B CN 110238465B
Authority
CN
China
Prior art keywords
thread
nut
wedge block
school type
internal thread
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.)
Active
Application number
CN201910412511.7A
Other languages
Chinese (zh)
Other versions
CN110238465A (en
Inventor
张胜
袁程泽
黄卫
曹文斌
梁会
何华
李文强
兰京陈
黄钰轩
王思佳
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.)
Shaanxi Aircraft Industry Co Ltd
Original Assignee
AVIC Shaanxi Aircraft Industry Group Corp 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 AVIC Shaanxi Aircraft Industry Group Corp Ltd filed Critical AVIC Shaanxi Aircraft Industry Group Corp Ltd
Priority to CN201910412511.7A priority Critical patent/CN110238465B/en
Publication of CN110238465A publication Critical patent/CN110238465A/en
Application granted granted Critical
Publication of CN110238465B publication Critical patent/CN110238465B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G9/00Working screws, bolt heads, or nuts in conjunction with thread cutting, e.g. slotting screw heads or shanks, removing burrs from screw heads or shanks; Finishing, e.g. polishing, any screw-thread
    • B23G9/009Thread cleaning or repairing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bolts, Nuts, And Washers (AREA)

Abstract

The utility model provides a cylinder internal thread part school type frock, cylinder internal thread part school type frock includes school type subassembly (2), school type subassembly (2) are including tapered voussoir (5), two screw thread school type pieces (6), two elastic rubber ring (7), gasket (8), nut (9), wherein: the two thread calibration blocks (6) are distributed on 2 edges of the conical wedge block (5) oppositely and matched with an inclined plane of the conical wedge block (5), the two elastic rubber rings (7) are clamped into 2 circular arc grooves in the upper portion and the lower portion of the two thread calibration blocks (6) respectively, the gasket (8) is sleeved on a cylindrical bolt at the upper end of the conical wedge block (5), the lower surface of the gasket (8) is pressed on the upper surfaces of the 2 thread calibration blocks (6) respectively, the nut (9) is screwed on the cylindrical bolt of the conical wedge block (5), and the upper surface of the gasket (8) is pressed.

Description

Cylindrical internal thread part sizing tool
Technical Field
The application relates to a cylindrical internal thread part sizing tool, in particular to a design and manufacturing technology of the cylindrical internal thread part sizing tool.
Background
At present, cylindrical internal thread parts are often used in the machining field, and the parts are often used as connecting pieces and are in threaded connection with other parts, so that the connecting effect is achieved. Such parts are often used, in particular, in the aeronautical field, on tank and tank accessories. But sometimes the cylindrical internal thread part is deformed or dented by external force impact due to the improper turnover transportation or assembly process. At present, no better method is used for calibrating deformed cylindrical internal thread parts on the premise of ensuring the size and the use requirements, and only the parts can be replaced or the whole assembly can be scrapped.
Content of application
The application provides a cylindrical internal thread part school type frock, and the effectual part that has reduced is scrapped.
First aspect, this application provides a cylinder internal thread part school type frock, cylinder internal thread part school type frock includes school type subassembly 2, school type subassembly 2 includes tapered voussoir 5, two screw thread school type piece 6, two elastic rubber ring 7, gasket 8, nut 9, wherein:
two screw thread sizing blocks 6 are distributed on 2 edges of the conical wedge block 5 relatively and matched with the inclined plane of the conical wedge block 5, two elastic rubber rings 7 are clamped into 2 circular arc grooves on the upper end and the lower end of the two screw thread sizing blocks 6 respectively, a gasket 8 is sleeved on a cylindrical bolt at the upper end of the conical wedge block 5, the lower surface of the gasket 8 is pressed on the upper surfaces of the 2 screw thread sizing blocks 6 respectively, a nut 9 is screwed on the cylindrical bolt of the conical wedge block 5, and the upper surface of the gasket 8 is compressed.
Optionally, the tapered wedge 5 is a rectangular pyramid-shaped part, 4 edges of the tapered wedge 5 are rounded, a cylindrical protrusion is arranged on the upper surface of the tapered wedge 5, and the outer surface of the cylindrical protrusion is provided with threads.
Optionally, the cross section of the thread calibration block 6 is fan-shaped, a fan-shaped step is arranged at the upper end of the inner side of the thread calibration block 6, the lower end of the inner side of the thread calibration block 6 is a conical groove, the profile and the taper of the conical groove are the same as the inclined plane of the conical wedge block 5, the middle of the outer side surface of the thread calibration block 6 is convex, the two ends of the outer side surface of the thread calibration block 6 are stepped with the middle of the outer side surface of the thread calibration block 6, the convex surface is provided with threads, the convex surface is matched with threads of a part to be calibrated 10, and annular grooves are formed in the two end surfaces.
Optionally, the elastic rubber ring 7 is an elastic annular rubber ring, the cross section of the elastic rubber ring 7 is circular, and the outer diameter of the elastic rubber ring is the same as the size of the two annular grooves on the thread calibration block 6.
Optionally, the shim 8 is an annular part, and the inner hole of the shim 8 is larger than the outer diameter of the cylindrical thread on the tapered wedge 5.
Optionally, the nut 9 is a hexagonal nut, and the internal thread of the nut 9 is matched with the cylindrical thread on the tapered wedge 5.
Optionally, the cylindrical internal thread part sizing tool further comprises an outer circle fixing component 1, the outer circle fixing component 1 comprises a fixing threaded sleeve 3 and a fixing nut 4, and the fixing threaded sleeve 3 is connected with the fixing nut 4 through threads.
Optionally, the lower part of the fixed screw sleeve 3 is a hexagonal body, the upper part of the fixed screw sleeve 3 is a rotary cone, a through hole is formed along the central axis of the rotary cone, the outer surface of the rotary body part of the fixed screw sleeve 3 is a conical thread, 8 grooves are uniformly distributed along the conical surface, and the conical thread is divided into 8 parts; the fixed nut 4 is a hexagonal nut, the inner surface of which is a taper thread and is in threaded fit with the outer surface of the fixed threaded sleeve 3.
In conclusion, the application adopts the wedge-shaped expansion structure, and the shape correction of the deformed cylindrical internal thread part is realized on the premise of ensuring the size and the use requirement. The problem of original cylinder internal thread part difficult school type has been solved in the application, provides a reliable cylinder internal thread part school type frock, and the effectual part that has reduced is scrapped.
Drawings
FIG. 1 is a front sectional view of a prototype application;
FIG. 2 is a rear sectional view of the model application;
FIG. 3 is an isometric view of an applied cylindrical retaining assembly;
FIG. 4 is an isometric view of a school bus assembly;
FIG. 5 is an isometric view of the application retaining nut;
FIG. 6 is an isometric view of a tapered wedge;
FIG. 7 is an isometric view of a thread sizing block of the application;
in the application schematic diagram, 1-an excircle fixing component, 2-a calibration component, 3-a fixing threaded sleeve, 4-a fixing nut, 5-a conical wedge block, 6-a thread calibration block, 7-an elastic rubber ring, 8-a gasket, 9-a nut and 10-a part to be calibrated.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
Example one
The application is realized by the following technical scheme: the application is realized by the following technical scheme: the utility model provides a cylinder internal thread part school type frock, characterized in that: the cylindrical internal thread part sizing tool comprises an outer circle fixing component 1 and a sizing component 2;
the excircle fixing component 1 comprises a fixing threaded sleeve 3 and a fixing nut 4, and the fixing threaded sleeve 3 and the fixing nut 4 are connected through threads, as shown in figure 3;
the lower part of the fixed screw sleeve 3 is a hexagonal body, the upper part is a rotary cone, a through hole is arranged along the central axis of the rotary cone, the outer surface of the rotary body part is provided with conical threads, 8 grooves are uniformly distributed along the conical surface, and the conical threads are divided into 8 parts, as shown in figure 5;
the fixed nut 4 is a hexagonal nut, the inner surface of the hexagonal nut is a conical thread and is in threaded fit with the outer surface of the fixed threaded sleeve 3;
the correction assembly 2 comprises a conical wedge block 5, thread correction blocks 6, elastic rubber rings 7, gaskets 8 and nuts 9, wherein 2 thread correction blocks 6 are distributed on 2 edges of the conical wedge block 5 relatively and matched with the inclined plane of the conical wedge block 5, 2 elastic rubber rings 7 are clamped into 2 circular arc grooves in the upper part and the lower part of the 2 thread correction blocks 6 respectively, the gaskets 8 are sleeved on cylindrical bolts at the upper end of the conical wedge block 5, the lower surfaces of the gaskets are pressed on the upper surfaces of the 2 thread correction blocks 6 respectively, the nuts 9 are screwed on the cylindrical bolts of the conical wedge block 5, and the upper surfaces of the gaskets 8 are pressed tightly, as shown in fig. 4;
the tapered wedge 5 is a rectangular pyramid-shaped part, 4 edges of which are rounded off, a cylindrical protrusion is arranged on the upper surface of the tapered wedge, and the outer surface of the cylindrical protrusion is provided with threads, as shown in fig. 6;
the cross section of the thread correction block 6 is in a fan shape, the upper end of the inner side of the thread correction block is provided with a fan-shaped step, the lower end of the thread correction block is a cone-shaped groove, the profile and the taper of the thread correction block are the same as the inclined plane of the cone-shaped wedge block 5, the middle of the outer side surface of the thread correction block is protruded, the steps are arranged at the two ends of the thread correction block, the surface of the protrusion is provided with threads which are matched with threads of a part 10 to;
the elastic rubber ring 7 is an elastic annular rubber ring, the section of the elastic annular rubber ring is circular, and the outer diameter of the elastic annular rubber ring is the same as the size of the two annular grooves on the thread sizing block 6;
the gasket 8 is an annular part, the inner hole of which is slightly larger than the outer diameter of the cylindrical thread on the tapered wedge block 5;
the nut 9 is a hexagonal nut with internal threads that mate with cylindrical threads on the tapered wedge 5.
The application discloses cylindrical internal thread part school type frock. The application adopts the wedge expansion structure, has realized carrying out the school type under the prerequisite of guaranteeing size and operation requirement to the cylinder internal thread part of deformation. The problem of original cylinder internal thread part difficult school type has been solved in the application, provides a reliable cylinder internal thread part school type frock, and the effectual part that has reduced is scrapped.
In practical application, the operation process of the sizing tool for the cylindrical internal thread part is as follows:
all parts in the manufacturing application;
firstly, a fixing nut 4 is sleeved on a fixing threaded sleeve 3, and the fixing nut 4 and the fixing threaded sleeve 3 are connected through threads, as shown in fig. 3;
secondly, oppositely distributing 2 thread correction blocks 6 on 2 edges of the conical wedge block 5 and matching with the inclined plane of the conical wedge block 5 to ensure that the 2 thread correction blocks 6 are equal in height, respectively clamping 2 elastic rubber rings 7 into 2 circular arc grooves above and below the 2 thread correction blocks 6, and pressing the thread correction blocks 6 on the conical wedge block 5;
finally, 2 gaskets 8 are sleeved on the cylindrical bolt at the upper end of the conical wedge block 5, the lower surfaces of the gaskets are respectively pressed on the upper surfaces of the 2 thread correction blocks 6, a nut 9 is screwed on the cylindrical bolt of the conical wedge block 5, and the upper surface of each gasket 8 is pressed tightly, as shown in fig. 4.
The using process is as follows:
sleeving the outer circle fixing component 1 on the outer circle surface of the part 10 to be corrected, and fastening the fixing nut 4 to ensure that the inner surface of the fixing screw sleeve 3 is tightly attached to the outer surface of the part 10 to be corrected, so as to prevent the outer diameter of the part 10 to be corrected from deforming;
screwing the nut 9 outwards from the cylindrical bolt of the conical wedge block 5, so that the conical wedge block 5 extends out from the centers of the 2 thread correction blocks 6, and the 2 elastic rubber rings 7 contract inwards, so that the overall dimension of the correction assembly 2 is reduced;
plugging the adjusted calibration assembly 2 into the part 10 to be calibrated so that the thread part on the thread calibration block 6 is meshed with the thread of the deformed part of the part 10 to be calibrated, as shown in FIG. 1;
screwing the nut 9 inwards from the cylindrical bolt of the conical wedge block 5 to enable the conical wedge block 5 to retract from the centers of the 2 thread correction blocks 6, so that the overall dimension of the correction assembly 2 is increased, and the concave part is jacked up, as shown in fig. 2;
checking the thread by using a plug gauge, and if the thread is not calibrated in place, continuing the steps until the thread is calibrated to meet the requirement.
To sum up, the beneficial effect of this application is: the application adopts the wedge expansion structure, has realized carrying out the school type under the prerequisite of guaranteeing size and operation requirement to the cylinder internal thread part of deformation. The problem of original cylinder internal thread part difficult school type has been solved in the application, provides a reliable cylinder internal thread part school type frock, and the effectual part that has reduced is scrapped.

Claims (6)

1. The utility model provides a cylinder internal thread part school type frock which characterized in that: cylindrical internal thread part school type frock includes school type subassembly (2), school type subassembly (2) are including tapered voussoir (5), two screw thread school type pieces (6), two elastic rubber ring (7), gasket (8), nut (9), wherein:
the two thread calibration blocks (6) are distributed on 2 edges of the conical wedge block (5) relatively and matched with an inclined plane of the conical wedge block (5), the two elastic rubber rings (7) are clamped into 2 circular arc grooves at the upper part and the lower part of the two thread calibration blocks (6) respectively, the gasket (8) is sleeved on a cylindrical bolt at the upper end of the conical wedge block (5), the lower surface of the gasket (8) is pressed on the upper surfaces of the 2 thread calibration blocks (6) respectively, the nut (9) is screwed on the cylindrical bolt of the conical wedge block (5) and presses the upper surface of the gasket (8);
the conical wedge block (5) is a rectangular pyramid-shaped part, 4 edges of the conical wedge block (5) are rounded off, a cylindrical protrusion is arranged on the upper surface of the conical wedge block (5), and the outer surface of the cylindrical protrusion is provided with threads;
the transversal fan-shaped of personally submitting of screw thread school type piece (6), there is a fan-shaped step the inboard upper end of screw thread school type piece (6), and the inboard lower extreme of screw thread school type piece (6) is the toper type recess, the profile and the tapering of toper type recess are the same with the inclined plane of toper type voussoir (5), and screw thread school type piece (6) lateral surface middle arch, the both ends of screw thread school type piece (6) lateral surface with the arch in the middle of screw thread school type piece (6) lateral surface has the step difference, protruding threaded on the surface cooperatees with the screw thread of treating school type part (10), has annular groove on the both ends face.
2. The cylindrical internal thread part sizing tool according to claim 1, characterized in that:
the elastic rubber ring (7) is an elastic annular rubber ring, the section of the elastic rubber ring (7) is circular, and the outer diameter of the elastic rubber ring is the same as the size of the two annular grooves in the thread calibration block (6).
3. The cylindrical internal thread part sizing tool according to claim 1, characterized in that:
the gasket (8) is an annular part, and the inner hole of the gasket (8) is larger than the outer diameter of the cylindrical thread on the conical wedge block (5).
4. The cylindrical internal thread part sizing tool according to claim 1, characterized in that:
the nut (9) is a hexagonal nut, and the internal thread of the nut (9) is matched with the cylindrical thread on the conical wedge block (5).
5. The cylindrical internal thread part sizing tool according to claim 1, characterized in that: the cylindrical internal thread part sizing tool further comprises an outer circle fixing component (1), the outer circle fixing component (1) comprises a fixing threaded sleeve (3) and a fixing nut (4), and the fixing threaded sleeve (3) is connected with the fixing nut (4) through threads.
6. The cylindrical internal thread part sizing tool according to claim 5, characterized in that:
the lower part of the fixed screw sleeve (3) is a hexagonal body, the upper part of the fixed screw sleeve (3) is a rotary cone, a through hole is formed along the central axis of the rotary cone, the outer surface of the rotary body part of the fixed screw sleeve (3) is provided with conical threads, 8 grooves are uniformly distributed along the conical surface, and the conical threads are divided into 8 parts;
the fixed nut (4) is a hexagonal nut, the inner surface of the fixed nut is provided with conical threads, and the conical threads are matched with the outer surface of the fixed threaded sleeve (3) in a threaded manner.
CN201910412511.7A 2019-05-17 2019-05-17 Cylindrical internal thread part sizing tool Active CN110238465B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910412511.7A CN110238465B (en) 2019-05-17 2019-05-17 Cylindrical internal thread part sizing tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910412511.7A CN110238465B (en) 2019-05-17 2019-05-17 Cylindrical internal thread part sizing tool

Publications (2)

Publication Number Publication Date
CN110238465A CN110238465A (en) 2019-09-17
CN110238465B true CN110238465B (en) 2020-11-13

Family

ID=67884583

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910412511.7A Active CN110238465B (en) 2019-05-17 2019-05-17 Cylindrical internal thread part sizing tool

Country Status (1)

Country Link
CN (1) CN110238465B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111318598A (en) * 2020-03-20 2020-06-23 哈尔滨工业大学 Bending die for rectangular pipe

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU590053A1 (en) * 1976-05-10 1978-01-30 Ижевский механический институт Method of making annular articles
CN2749596Y (en) * 2004-11-25 2006-01-04 西北有色金属研究院 Metal pipe straightening die set
CN202278059U (en) * 2011-09-29 2012-06-20 西安航空动力股份有限公司 Spinning clamp for inner ring groove of thin-walled pipe fitting
CN203541248U (en) * 2013-09-07 2014-04-16 内蒙古航天红岗机械有限公司 Conical thermal-expansion correcting fixture
CN206153604U (en) * 2016-10-31 2017-05-10 四川工程职业技术学院 Minor axis class thin wall cylindric part clamping frock
CN108161507A (en) * 2017-12-26 2018-06-15 西安航空学院 A kind of large size, thin walled cylinder part bulging tooling and clamping method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU590053A1 (en) * 1976-05-10 1978-01-30 Ижевский механический институт Method of making annular articles
CN2749596Y (en) * 2004-11-25 2006-01-04 西北有色金属研究院 Metal pipe straightening die set
CN202278059U (en) * 2011-09-29 2012-06-20 西安航空动力股份有限公司 Spinning clamp for inner ring groove of thin-walled pipe fitting
CN203541248U (en) * 2013-09-07 2014-04-16 内蒙古航天红岗机械有限公司 Conical thermal-expansion correcting fixture
CN206153604U (en) * 2016-10-31 2017-05-10 四川工程职业技术学院 Minor axis class thin wall cylindric part clamping frock
CN108161507A (en) * 2017-12-26 2018-06-15 西安航空学院 A kind of large size, thin walled cylinder part bulging tooling and clamping method

Also Published As

Publication number Publication date
CN110238465A (en) 2019-09-17

Similar Documents

Publication Publication Date Title
CN105065401B (en) expansion bolt assembly
CN105328600B (en) Follow-up positioning and locking mechanism for ball head
CN110238465B (en) Cylindrical internal thread part sizing tool
CN105345171A (en) Positioning and clamping device
CN201255167Y (en) Self-locking nut
CN108980185A (en) A kind of stop nut sub-assembly
CN107939808A (en) A kind of hexagonal fluting self-locking nut
CN105587737A (en) Mechanical part connector capable of not relying on elastic gasket
CN203822815U (en) Anti-looseness bolt
CN108119520A (en) A kind of self-locking nut
CN205278076U (en) U -bolt locking sphere locknut
CN209925404U (en) Nut anti-loosening structure of steering axle
CN209925405U (en) Threaded connection device for core shaft
CN111981018A (en) Anti-loose shockproof fastener
CN106151214A (en) A kind of bolt with hexagonal indentations threaded end
CN214304767U (en) Press-riveting stud
CN217195061U (en) Plug screw disassembling tool with independent bearing pin
CN207386610U (en) Thin-wall part tightening mechanism
CN218294151U (en) Locknut assembly
CN110617264A (en) Elastic thread anti-loosening fastening device
US8016533B2 (en) Lock nut with low on/high off torque control
CN211059172U (en) Nut with pressure riveting washer
CN210196243U (en) Combined locknut
CN210218366U (en) High-temperature-resistant nut assembly
CN212407281U (en) Anti-loosening screw

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 723213 Liulin Town, Chenggu County, Hanzhong City, Shaanxi Province

Patentee after: Shaanxi Aircraft Industry Co.,Ltd.

Address before: 723213 box 34, Hanzhong City, Shaanxi Province

Patentee before: Shaanxi Aircraft INDUSTRY(GROUP) Co.,Ltd.

CP03 Change of name, title or address