CN206415831U - End plug pull-rod irregularly-shaped hole bulb rolling tool under a kind of fuel assembly fuel rod - Google Patents
End plug pull-rod irregularly-shaped hole bulb rolling tool under a kind of fuel assembly fuel rod Download PDFInfo
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- CN206415831U CN206415831U CN201621466344.2U CN201621466344U CN206415831U CN 206415831 U CN206415831 U CN 206415831U CN 201621466344 U CN201621466344 U CN 201621466344U CN 206415831 U CN206415831 U CN 206415831U
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Abstract
The utility model belongs to numerical control machining cutter technical field, and in particular to end plug pull-rod irregularly-shaped hole bulb rolling tool under a kind of fuel assembly fuel rod.Cutter includes cutter head and handle of a knife two parts；(1) center drilling of shank portion, coaxial main through hole, transitional pore, assembly hole are followed successively by according to the distance with cutter head from far near；(2) cutter head is overall processing shaping, including four coaxial parts, according to the distance between handle of a knife by closely to being far followed successively by mating part, transition portion, support section, bulb part.The cutter has been completed the production of end plug under 20 multiple batches of fuel rods, product quality is stable, meet under CAP1400 fuel assembly fuel rods the processing mode of end plug and end plug pull-rod irregularly-shaped hole under fuel rod is met drawing and technical requirements, so as to ensure the smoothly production of product.
Description
Technical field
The utility model belongs to numerical control machining cutter technical field, and in particular to end plug is drawn under a kind of fuel assembly fuel rod
Rod irregularly-shaped hole bulb rolling tool.
Background technology
A kind of bulb rolling depression cutter, applied to the processing of end plug pull-rod irregularly-shaped hole under CAP1400 fuel assembly fuel rods, early stage
Processing technology experiment to end plug under fuel rod, to the processing of pull-rod irregularly-shaped hole as shown in Figure 1 using numerical control Boring with
The rolling processing process of drawing requirement is not inconsistent, and next, which processes in pore-forming to have, scratches and connect tool marks.Need to set based on above reason
Meter cutter solves this problem.
The content of the invention
The technical problems to be solved in the utility model is to provide end plug pull-rod irregularly-shaped hole ball under a kind of fuel assembly fuel rod
Head rolling tool, so that product meets feature after the processing mode of technical requirements, processing and meets drawing technical requirements.
In order to realize this purpose, the utility model is adopted the technical scheme that：
A kind of end plug pull-rod irregularly-shaped hole bulb rolling tool under fuel assembly fuel rod, cutter includes cutter head and two, handle of a knife
Point；
(1) center drilling of shank portion, according to the distance with cutter head be followed successively by from far near coaxial main through hole,
Transitional pore, assembly hole；
(2) cutter head is overall processing shaping, including four coaxial parts, according to the distance between handle of a knife by closely extremely
Far it is followed successively by mating part, transition portion, support section, bulb part；
Mating part is round table-like structure, the assembly hole after cutter head is assembled with handle of a knife in mating part insertion handle of a knife, assembling
The big end of mating part is concordant with the outer face of handle of a knife assembly hole afterwards, and the small end of mating part is put down with the inner face of handle of a knife assembly hole
Together；Transition portion is cylindrical-shaped structure；Support section is round table-like structure, and the one side being connected with transition portion is big end, directly
Footpath is identical with transition portion diameter, and the one side being connected with ball head split-phase is small end；Ball head point is arranged on the small of support section
End, is a part for chondritic.
Further, end plug pull-rod irregularly-shaped hole bulb rolling tool, knife under a kind of fuel assembly fuel rod as described above
Handle portion length is 85mm, and its section is 12mm × 12mm square.
Further, end plug pull-rod irregularly-shaped hole bulb rolling tool, knife under a kind of fuel assembly fuel rod as described above
Handle portion master is 69.25mm, a diameter of 8mm through hole length；Transition hole length be 5mm, a diameter of 5.38mm, assembly hole be with
The round table-like structure for the Morse's taper 4 that cutter head mating part is engaged, length is 12mm, and end diameter is 5.38mm, big end
A diameter of 6mm.
Further, end plug pull-rod irregularly-shaped hole bulb rolling tool, knife under a kind of fuel assembly fuel rod as described above
The mating part of head is the round table-like structure of Morse's taper 4, and length is 12mm, and end diameter is 5.41mm, and outside diameter is
6mm, the assembly hole after cutter head is assembled with handle of a knife in mating part insertion handle of a knife, the big end of mating part is assembled with handle of a knife after assembling
The outer face in hole is concordant, and the small end of mating part is concordant with the inner face of handle of a knife assembly hole；
Transition portion is a diameter of 6mm, and length is 3mm cylindrical-shaped structure；
Support section is round table-like structure, and the one side being connected with transition portion is big end, diameter and transition portion diameter
Identical, the one side being connected with ball head split-phase is small end, and angle is 52 degree；
Ball head point is arranged on the small end of support section, is a part for a diameter of 2mm chondritic.
Further, end plug pull-rod irregularly-shaped hole bulb rolling tool, knife under a kind of fuel assembly fuel rod as described above
The bulb part roughness of head is 0.4.
Further, end plug pull-rod irregularly-shaped hole bulb rolling tool, knife under a kind of fuel assembly fuel rod as described above
Head can individually carry out dismounting and change.
The beneficial effect of technical solutions of the utility model is：
The cutter meets the mounting condition on CNC sliding headstock auto-lathe, and the product after processing fully meets drawing and technology bar
Part requirement.
Brief description of the drawings
Fig. 1 is pull-rod irregularly-shaped hole structural representation；
Fig. 2 is bulb rolling tool cutter head structure schematic diagram；
Fig. 3 is bulb rolling tool Knife handle structure schematic diagram.
Embodiment
Technical solutions of the utility model are further elaborated below by the drawings and specific embodiments.
As shown in Figures 2 and 3, end plug pull-rod irregularly-shaped hole bulb rolling depression cutter under a kind of fuel assembly fuel rod of the utility model
Tool, cutter includes cutter head and handle of a knife two parts；
(1) shank portion length is 85mm, and its section is 12mm × 12mm square.
The center drilling of shank portion, coaxial main through hole, transition are followed successively by according to the distance with cutter head from far near
Hole, assembly hole；
Shank portion master is 69.25mm, a diameter of 8mm through hole length；Transition hole length be 5mm, a diameter of 5.38mm,
Assembly hole is the round table-like structure for the Morse's taper 4 being engaged with cutter head mating part, and length is 12mm, and end diameter is
5.38mm, outside diameter is 6mm.
(2) cutter head is overall processing shaping, including four coaxial parts, according to the distance between handle of a knife by closely extremely
Far it is followed successively by mating part, transition portion, support section, bulb part；
Mating part is the round table-like structure of Morse's taper 4, and length is 12mm, and end diameter is 5.41mm, and big end is straight
Footpath is 6mm, the assembly hole after cutter head is assembled with handle of a knife in mating part insertion handle of a knife, the big end of mating part and handle of a knife after assembling
The outer face of assembly hole is concordant, and the small end of mating part is concordant with the inner face of handle of a knife assembly hole；
Transition portion is a diameter of 6mm, and length is 3mm cylindrical-shaped structure；
Support section is round table-like structure, and the one side being connected with transition portion is big end, diameter and transition portion diameter
Identical, the one side being connected with ball head split-phase is small end, and angle is 52 degree；
Ball head point is arranged on the small end of support section, is a part for a diameter of 2mm chondritic.
The bulb part roughness of cutter head is 0.4, can individually carry out dismounting and change.
The cutter has been completed the production of end plug under 20 multiple batches of fuel rods, and product quality is stable, meets CAP1400 combustions
Material component fuel rod under end plug processing mode and end plug pull-rod irregularly-shaped hole under fuel rod is met drawing and technical requirements so that
Ensure the smoothly production of product.
Claims (6)
1. end plug pull-rod irregularly-shaped hole bulb rolling tool under a kind of fuel assembly fuel rod, it is characterised in that：
Cutter includes cutter head and handle of a knife two parts；
(1) center drilling of shank portion, coaxial main through hole, transition are followed successively by according to the distance with cutter head from far near
Hole, assembly hole；
(2) cutter head is overall processing shaping, including four coaxial parts, according to the distance between handle of a knife by closely to far according to
Secondary is mating part, transition portion, support section, bulb part；
Mating part is round table-like structure, the assembly hole after cutter head is assembled with handle of a knife in mating part insertion handle of a knife, is matched somebody with somebody after assembling
The big end for closing part is concordant with the outer face of handle of a knife assembly hole, and the small end of mating part is concordant with the inner face of handle of a knife assembly hole；
Transition portion is cylindrical-shaped structure；Support section is round table-like structure, and the one side being connected with transition portion is big end, diameter with
Transition portion diameter is identical, and the one side being connected with ball head split-phase is small end；Ball head point is arranged on the small end of support section, is
A part for chondritic.
2. end plug pull-rod irregularly-shaped hole bulb rolling tool, its feature under a kind of fuel assembly fuel rod as claimed in claim 1
It is：Shank portion length is 85mm, and its section is 12mm × 12mm square.
3. end plug pull-rod irregularly-shaped hole bulb rolling tool, its feature under a kind of fuel assembly fuel rod as claimed in claim 2
It is：Shank portion master is 69.25mm, a diameter of 8mm through hole length；Transition hole length is 5mm, a diameter of 5.38mm, group
Dress hole is the round table-like structure for the Morse's taper 4 being engaged with cutter head mating part, and length is 12mm, and end diameter is
5.38mm, outside diameter is 6mm.
4. end plug pull-rod irregularly-shaped hole bulb rolling tool, its feature under a kind of fuel assembly fuel rod as claimed in claim 3
It is：The mating part of cutter head is the round table-like structure of Morse's taper 4, and length is 12mm, and end diameter is 5.41mm, big end
A diameter of 6mm, the assembly hole after cutter head is assembled with handle of a knife in mating part insertion handle of a knife, the big end of mating part and knife after assembling
The outer face of handle assembly hole is concordant, and the small end of mating part is concordant with the inner face of handle of a knife assembly hole；
Transition portion is a diameter of 6mm, and length is 3mm cylindrical-shaped structure；
Support section is round table-like structure, and the one side being connected with transition portion is big end, and diameter is identical with transition portion diameter,
The one side being connected with ball head split-phase is small end, and angle is 52 degree；
Ball head point is arranged on the small end of support section, is a part for a diameter of 2mm chondritic.
5. end plug pull-rod irregularly-shaped hole bulb rolling tool, its feature under a kind of fuel assembly fuel rod as claimed in claim 4
It is：The bulb part roughness of cutter head is 0.4.
6. end plug pull-rod irregularly-shaped hole bulb rolling tool, its feature under a kind of fuel assembly fuel rod as claimed in claim 1
It is：Cutter head can individually carry out dismounting and change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621466344.2U CN206415831U (en) | 2016-12-29 | 2016-12-29 | End plug pull-rod irregularly-shaped hole bulb rolling tool under a kind of fuel assembly fuel rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621466344.2U CN206415831U (en) | 2016-12-29 | 2016-12-29 | End plug pull-rod irregularly-shaped hole bulb rolling tool under a kind of fuel assembly fuel rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206415831U true CN206415831U (en) | 2017-08-18 |
Family
ID=59573245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621466344.2U Active CN206415831U (en) | 2016-12-29 | 2016-12-29 | End plug pull-rod irregularly-shaped hole bulb rolling tool under a kind of fuel assembly fuel rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206415831U (en) |
-
2016
- 2016-12-29 CN CN201621466344.2U patent/CN206415831U/en active Active
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