CN110238465B - Cylindrical internal thread part sizing tool - Google Patents
Cylindrical internal thread part sizing tool Download PDFInfo
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- 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
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- thread
- nut
- wedge block
- school type
- internal thread
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G9/00—Working 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
- B23G9/009—Thread cleaning or repairing
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- 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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910412511.7A CN110238465B (en) | 2019-05-17 | 2019-05-17 | Cylindrical internal thread part sizing tool |
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Application Number | Priority Date | Filing Date | Title |
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CN201910412511.7A CN110238465B (en) | 2019-05-17 | 2019-05-17 | Cylindrical internal thread part sizing tool |
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CN110238465A CN110238465A (en) | 2019-09-17 |
CN110238465B true CN110238465B (en) | 2020-11-13 |
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CN201910412511.7A Active CN110238465B (en) | 2019-05-17 | 2019-05-17 | Cylindrical internal thread part sizing tool |
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CN111318598A (en) * | 2020-03-20 | 2020-06-23 | 哈尔滨工业大学 | Bending die for rectangular pipe |
Citations (6)
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 |
-
2019
- 2019-05-17 CN CN201910412511.7A patent/CN110238465B/en active Active
Patent Citations (6)
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 |
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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. |
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