CN207027015U - A kind of frock for being used to process compound slow wave shell - Google Patents
A kind of frock for being used to process compound slow wave shell Download PDFInfo
- Publication number
- CN207027015U CN207027015U CN201720717077.XU CN201720717077U CN207027015U CN 207027015 U CN207027015 U CN 207027015U CN 201720717077 U CN201720717077 U CN 201720717077U CN 207027015 U CN207027015 U CN 207027015U
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- China
- Prior art keywords
- positioning
- slow wave
- lower bottom
- bottom base
- hole
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Abstract
The utility model discloses a kind of frock for being used to process compound slow wave shell, including lower bottom base (1), upper holder block (2), positioning guide column (3) and nut (4), connected between lower bottom base (1) and upper holder block (2) by four positioning guide columns (3), it is used to positioning hole corresponding to four groups of positioning guide column (3) be installed respectively in a vertical line on lower bottom base (1) and upper holder block (2), one end that positioning guide column (3) stretches out upper holder block (2) is provided with screw thread, and fixed by nut (4).The unification of machining benchmark and reference for assembling when the frock that this kind with said structure is used to processing compound slow wave shell can realize the processing of compound slow wave shell, linearity and concentricity when improving slow silk cutting processing passage, improves product qualification rate；Frock is easy to assembly simultaneously, and clamping is also easier on process equipment.
Description
Technical field
The manufacturing field of TWT slow wave is the utility model is related to, processing compound slow wave shell more particularly, to one kind is made
Frock.
Background technology
Travelling-wave tubes has bandwidth, gain big, efficiency high, output power etc. as vacuum microwave power amplifying device
Advantage, have a wide range of applications, be described as " heart " of weaponry in all kinds of military microwave transmitters.
Slow wave system is the important component of travelling-wave tubes, and with the continuous improvement of traveling wave tube power, heat dissipation problem has become must
The problem that must be solved, devises a kind of slow-wave structure of composite pipe shell, this structure is effective in high power travelling wave tube at present
Solves slow wave radiating.Composite pipe shell is due to the particularity of its structure, and it is in advance by iron pole shoe, a ring, output adapter
Weld, contour structures are more complicated, and slow wave passage is obtained using slow silk cutting processing.Before this because no frock is protected
Card, the compound slow wave shell that slow silk cutting is completed, passages degree and concentricity are often very poor, and passage has concentric reducer and waist
Drum shape phenomenon, so as to, with being difficult to assemble during helix component, cause the low even product rejection of qualification rate in assembling supporting rod.
Utility model content
Technical problem to be solved in the utility model is to provide one kind for problems of the prior art to be used to add
The frock of the compound slow wave shell of work, the unification of machining benchmark and reference for assembling during the purpose is to realize the processing of compound slow wave shell,
Linearity and concentricity when improving slow silk cutting processing passage.
The technical solution of the utility model is that this kind includes lower bottom base, upper pressure for processing the frock of compound slow wave shell
Block, positioning guide column and nut, connected by four positioning guide columns between lower bottom base and upper holder block, be used on lower bottom base and upper holder block
Positioning hole corresponding to four groups of positioning guide column is installed respectively on a vertical line, one end that positioning guide column stretches out upper holder block is provided with
Screw thread, and fixed by nut.
The center of described lower bottom base is provided with the first positioning through hole for being used for positioning compound slow wave shell to be processed, the
One end of one positioning through hole is provided with step cutting pattern hole slot, and four first through hole, and are evenly distributed with around center on lower bottom base
The side that one through hole is located at lower bottom base lower end is provided with the counterbore for installing positioning guide column, is additionally provided with the upper surface of described lower bottom base
Land plateau.
The center of described upper holder block is provided with the second positioning through hole for being used for positioning compound slow wave shell to be processed, the
One end of two positioning through hole is provided with step cutting pattern hole slot, and four the second through holes are evenly distributed with around center on upper holder block.
Described lower bottom base and upper holder block are process using duralumin LY12, and positioning guide column uses stainless steel
1Cr18Ni9Ti is process.
When this kind with said structure can realize compound slow wave shell processing for processing the frock of compound slow wave shell
The unification of machining benchmark and reference for assembling, linearity and concentricity when improving slow silk cutting processing passage, improve product conjunction
Lattice rate；Frock is easy to assembly simultaneously, and clamping is also easier on process equipment.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of lower bottom base in the utility model.
Fig. 3 is the structural representation of upper holder block in the utility model.
Fig. 4 is the structural representation of positioning guide column in the utility model.
In figures 1-4,1：Lower bottom base；101：First positioning through hole；102：First step cutting pattern hole slot；103：First is logical
Hole；104：Land plateau；2:Upper holder block；201：Second positioning through hole；202：Second step cutting pattern；203：Second through hole；3：It is fixed
Position guide pillar；4：Nut；5：Compound slow wave shell to be processed.
Embodiment
Fig. 1 is structural representation of the present utility model, and Fig. 2, Fig. 3, Fig. 4 are respectively lower bottom base in the utility model, upper pressure
The structural representation of block and positioning guide column, structure combines shown in Fig. 1-4, and this kind includes lower bottom base 1, upper holder block 2, positioning
Guide pillar 3 and nut 4, connected by four positioning guide columns 3 between lower bottom base 1 and upper holder block 2, be used on lower bottom base 1 and upper holder block 2
Positioning hole corresponding to four groups of positioning guide column 3 is installed respectively on a vertical line, positioning guide column 3 stretches out one end of upper holder block 2
Fixed provided with screw thread, and by nut 4.
The center of lower bottom base 1 is provided with the first positioning through hole 101 for being used for positioning compound slow wave shell 5 to be processed, the
One end of one positioning through hole 101 is provided with the first step cutting pattern hole slot 102, and four are evenly distributed with around center on lower bottom base 1
One through hole 103, and first through hole 103 is located at counterbore of the side of the lower end of lower bottom base 1 provided with installation positioning guide column 3, lower bottom base 1
Land plateau 104 is additionally provided with upper surface.
The center of upper holder block 2 is provided with the second positioning through hole 201 for being used for positioning compound slow wave shell 5 to be processed, the
One end of two positioning through hole 201 is provided with the second step cutting pattern hole slot 202, and four are evenly distributed with around center on upper holder block 2
Two through holes 203.
Lower bottom base 1 and upper holder block 2 are process using duralumin LY12, and positioning guide column 3 is using stainless steel 1Cr18Ni9Ti
It is process.
As a kind of specific embodiment of the present utility model, pass through four positioning guide columns 3 between lower bottom base 1 and upper holder block 2
Connection, and four positioning guide columns 3 play the guiding role, in order to ensure the passage of composite pipe shell processing and composite pipe shell reference for assembling
With one heart, it is at a relatively high to the Geometrical Tolerance Principle of frock, it is desirable to four positioning guide columns 3 of assembling that lower bottom base 1 and upper holder block 2 are processed
Four positioning holes must be respectively on a vertical line.
The center of lower bottom base 1 processes the first positioning through hole 101, through-hole diameter 1mm, for compound slow wave shell 5 to be processed
Positioning, center process the first step cutting pattern hole slot 102, diameter 2mm, step depth 1mm, for compound slow wave to be processed of stepping down
Shell pole shoe, four diameter 4mm first through hole 103 is diametrically uniformly processed on 3mm circumference, first through hole 103 is in lower bottom base 1
Lower surface processing counterbore, counter bore hole diameters 5mm, deep gouge depth 2mm, for installing positioning guide column 3, in the upper surface of lower bottom base 1
Milling Process land plateau 104, step depth 3mm, for compound slow wave shell adapter to be processed of stepping down, lower bottom base 1 uses
Duralumin LY12 processing obtains.
The center of upper holder block 2 processes the second positioning through hole 201, through-hole diameter 1mm, for compound slow wave shell 5 to be processed
Positioning, center process the second step cutting pattern hole slot 202, a diameter of 2mm, step depth 4mm are to be processed compound for stepping down
Slow wave shell pole shoe, four a diameter of 4mm the second through hole 203 is diametrically uniformly processed on 3mm circumference, is led for installing positioning
Post 3, upper holder block 2 are obtained using duralumin LY12 processing.
Integral into cylindric, one end is threaded positioning guide column 3, is assembled for nut 4, interlude is processed into a diameter of
4mm guide pillar, interlude length dimension are typically smaller 8mm than slow wave length dimension to be processed depending on slow wave length to be processed
~10mm, linearity requirement reach 0.01mm, and the other end is processed into diameter 5mm, and length is less than 2mm, using stainless steel
1Cr18Ni9Ti processing obtains.
The screw thread that the general STAINLESS STEEL NUTS of the selection standard of nut 4, thread specification and positioning guide column 3 are processed is consistent.
When this kind with said structure can realize compound slow wave shell processing for processing the frock of compound slow wave shell
The unification of machining benchmark and reference for assembling, linearity and concentricity when improving slow silk cutting processing passage, improve product conjunction
Lattice rate；Frock is easy to assembly simultaneously, and clamping is also easier on process equipment.
Claims (4)
- A kind of 1. frock for being used to process compound slow wave shell, it is characterised in that：Described frock includes lower bottom base (1), upper pressure Block (2), positioning guide column (3) and nut (4), connected between lower bottom base (1) and upper holder block (2) by four positioning guide columns (3), under It is used to positioning hole corresponding to four groups of positioning guide column (3) be installed respectively in a vertical line on base (1) and upper holder block (2), One end that positioning guide column (3) stretches out upper holder block (2) is provided with screw thread, and fixed by nut (4).
- A kind of 2. frock for being used to process compound slow wave shell according to claim 1, it is characterised in that：Described bottom The center of seat (1) is provided with the first positioning through hole (101) for being used for positioning compound slow wave shell (5) to be processed, the first positioning One end of through hole (101) is provided with the first step cutting pattern hole slot (102), and four are evenly distributed with around center on lower bottom base (1) One through hole (103), and first through hole (103) is located at counterbore of the side of lower bottom base (1) lower end provided with installation positioning guide column (3), Land plateau (104) is additionally provided with the upper surface of described lower bottom base (1).
- A kind of 3. frock for being used to process compound slow wave shell according to claim 1, it is characterised in that：Described upper pressure The center of block (2) is provided with the second positioning through hole (201) for being used for positioning compound slow wave shell (5) to be processed, the second positioning One end of through hole (201) is provided with the second step cutting pattern hole slot (202), and four are evenly distributed with around center on upper holder block (2) Two through holes (203).
- 4. a kind of frock for being used to process compound slow wave shell according to any one of claim 1-3 claim, it is special Sign is：Described lower bottom base (1) and upper holder block (2) is process using duralumin LY12, and positioning guide column (3) uses stainless steel 1Cr18Ni9Ti is process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720717077.XU CN207027015U (en) | 2017-06-14 | 2017-06-14 | A kind of frock for being used to process compound slow wave shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720717077.XU CN207027015U (en) | 2017-06-14 | 2017-06-14 | A kind of frock for being used to process compound slow wave shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207027015U true CN207027015U (en) | 2018-02-23 |
Family
ID=61468482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720717077.XU Expired - Fee Related CN207027015U (en) | 2017-06-14 | 2017-06-14 | A kind of frock for being used to process compound slow wave shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207027015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774217A (en) * | 2019-09-27 | 2020-02-11 | 南京三乐集团有限公司 | Cold extrusion tool for helical line slow wave system and assembly method thereof |
-
2017
- 2017-06-14 CN CN201720717077.XU patent/CN207027015U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774217A (en) * | 2019-09-27 | 2020-02-11 | 南京三乐集团有限公司 | Cold extrusion tool for helical line slow wave system and assembly method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |