CN1805680A - New bonding and assembling process for slow-wave circuit of microwave tube and adhesive cleaning system thereof - Google Patents
New bonding and assembling process for slow-wave circuit of microwave tube and adhesive cleaning system thereof Download PDFInfo
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- CN1805680A CN1805680A CN200510122817.7A CN200510122817A CN1805680A CN 1805680 A CN1805680 A CN 1805680A CN 200510122817 A CN200510122817 A CN 200510122817A CN 1805680 A CN1805680 A CN 1805680A
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- storehouse
- locating piece
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- 238000004140 cleaning Methods 0.000 title claims abstract description 50
- 239000000853 adhesive Substances 0.000 title claims abstract description 35
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000008569 process Effects 0.000 title abstract description 15
- 238000000227 grinding Methods 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000010926 purge Methods 0.000 claims description 19
- 238000005516 engineering process Methods 0.000 claims description 18
- 230000008676 import Effects 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 15
- 238000009833 condensation Methods 0.000 claims description 13
- 230000005494 condensation Effects 0.000 claims description 13
- 238000005520 cutting process Methods 0.000 claims description 13
- 238000001704 evaporation Methods 0.000 claims description 13
- 230000008020 evaporation Effects 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 13
- 238000005406 washing Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 229910000754 Wrought iron Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 238000007665 sagging Methods 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 abstract description 25
- 239000002904 solvent Substances 0.000 abstract description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 22
- 229910052750 molybdenum Inorganic materials 0.000 description 22
- 239000011733 molybdenum Substances 0.000 description 22
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 7
- 229910052721 tungsten Inorganic materials 0.000 description 7
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- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical group CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
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Abstract
The invention discloses a novel bonding and assembling process for a slow-wave circuit of a microwave tube, and also discloses a cleaning system for an adhesive used in the novel bonding and assembling process for the slow-wave circuit of the microwave tube. The microwave tube slow wave circuit assembled by the novel process can greatly improve the high-frequency characteristic of the microwave tube, and the cleaning system disclosed by the invention not only can thoroughly clean off the adhesive, but also can fully save the solvent for cleaning, and is simple in structure, continuous in operation, convenient, flexible, safe and reliable. The novel process comprises the steps of firstly, positioning and bonding three ceramic clamping rods on an assembly body consisting of a spiral line and a core rod by using an adhesive at an angle of 120 degrees, then grinding the outer circle of the assembly body, pulling the assembly body and a microwave tube into a tube shell by using a specific mechanism device in interference fit, and finally removing the bonded adhesive.
Description
Technical field
The present invention relates to a kind of assembly technology of microwave tube circuit,, the invention still further relates to the purging system of employed adhesive in the bonding assembling new technology of microwave tube slow wave circuit simultaneously more specifically to the bonding assembling new technology of a kind of microwave tube slow wave circuit.
Background technology
At present, domestic microwave tube slow wave circuit assembling adopts elasticity mutation clevis to hold mechanical means such as assembling method or expansion clamping assembling method mostly, but this method can limit the high frequency characteristics of microwave tube greatly, thereby has also limited the manufacture level of China's middle low power microwave tube.
In order to improve the high frequency characteristics of microwave tube, thereby improve the manufacture level of China's middle low power microwave tube, the new technology of developing a kind of microwave tube slow wave circuit assembling is imperative, the present invention proposes a kind of new technology that adopts adhesive to carry out the bonding assembling of microwave tube slow wave circuit, and developed its relevant sub-assembly bonding jig and adhesive purging system, require the sub-assembly bonding jig will guarantee supporting rod and helix even contact and guarantee that supporting rod accurately is positioned on the helix.This assembly method requires finally must thoroughly remove adhesive in addition, to guarantee the operate as normal of microwave tube, and the method for removing adhesive is exactly a firing method except ablution, because the microwave tube device can not burn under the oxygen atmosphere, burn method so can only use hydrogen instead, experimental results show that hydrogen burns method and can not thoroughly remove adhesive, therefore adopt the solvent clean method more satisfactory, the present invention has developed a kind of adhesive purging system.
Summary of the invention
The objective of the invention is to solve problems of the prior art and deficiency, bonding assembling new technology of a kind of microwave tube slow wave circuit and adhesive purging system thereof are provided, and the microwave tube slow wave circuit of this new technology assembling can improve the high frequency characteristics of microwave tube greatly.
The present invention is achieved by the following technical solutions:
The bonding assembling new technology of microwave tube slow wave circuit of the present invention may further comprise the steps:
A), earlier three supporting rods are accurately positioned on the helix that core bar is housed with 120 degree angles, bonding supporting rod of coated with adhesive and helix then;
B), treat that adhesive solidifies after, according to three supporting rods of size needs grinding, be made into supporting rod-core bar-helix assembly again;
C), supporting rod-core bar-helix assembly of making and microwave tube being in the sagging vertical pulling of interference fit goes in the microwave tube shell;
D), wash the adhesive of bonding supporting rod and helix, microwave tube slow wave circuit promptly is assembled into merit.
Wherein the method for the accurate location described in the step a) is as follows:
A), earlier supporting rod is embedded on the straight beam, described beam is the rectangle inner trough structure part of band taper angle, and the inside groove on top is an inverted T-slot, and supporting rod is embedded in the taper angle below;
B), again the core bar axle center accurately is positioned at main locating piece axle center, described main locating piece has 2, be the regular hexagon structural member, all evenly be provided with 6 location holes around each main locating piece, two main locating pieces fix with the close-fitting rod iron of location hole by 6, and its spacing depends on the length of supporting rod;
C), at last three crossbeams being embedded with supporting rod respectively are inserted in the middle of two main locating pieces with 120 degree angles, entering into T-slot by bolt compresses with supporting rod three orientation of three beams that are embedded with supporting rod from 120 degree angles to the axle center.
The both sides of described main locating piece are provided with the axle center locating piece that equal accuracy requires respectively, this axle center locating piece is the identical regular hexagon sheet material of shape and main locating piece, thickness 2mm, the distribution of location hole on every side is also identical with main locating piece, the axle center be provided with can with the close-fitting location hole of core bar; Main locating piece regular hexagon structural member adopts the method for overall wire cutting to carry out time processing, the cutting step value of line cutting equipment is 1 micron, precision is controlled in the 10-4mm, and three that are used for fixing beam on this structural member in addition with the equally distributed bolt in 120 degree angles.
The above-mentioned special-purpose purging system that cleans the adhesive of bonding supporting rod and helix of realization of the present invention, this purging system is to utilize separate heat pipe to make cleansing medium evaporation, condensation, the continuous circulation system of evaporation again, cleans anchor clamps and is connected in the condensate liquid reflux line; Described purging system includes blowdown valve, the heating container that has separate heat pipe, the filter washing water inlet, clamping hoop type fast-assembling flange, Pressure gauge, atmospheric valve, flowmeter, clean anchor clamps, the heating container upper end that has separate heat pipe connects jacket condensator by jet chimney, jacket condensator is connected with the cleaning anchor clamps by condensation pipe again, clean anchor clamps and connect the heating container lower end that has separate heat pipe by pipeline again, Pressure gauge is housed on the jet chimney, before the jacket condensator import atmospheric valve is housed, between jacket condensator and the cleaning anchor clamps flowmeter is housed, clean anchor clamps simultaneously and have between the heating container of separate heat pipe flowmeter also is housed, the heating container bottom that has separate heat pipe also is provided with blowdown valve, and top is provided with the filter washing water inlet.
Described cleaning anchor clamps are tubular construction, form by the cleaning fluid import storehouse that links to each other successively, cleaning storehouse and rinse liquid outlet storehouse, import storehouse internal diameter is less than cleaning the storehouse internal diameter, import storehouse fluid port internal diameter is less than import storehouse internal diameter, the internal diameter that cleans the storehouse two-port is less than cleaning the storehouse internal diameter, outlet storehouse internal diameter is greater than cleaning the storehouse internal diameter, and the feed liquor port is equipped with sealing ring in the cleaning storehouse, and outlet is equipped with core bar baffle plate and microwave tube bolt in the storehouse.
The invention has the beneficial effects as follows:
(1) microwave tube slow wave circuit of this new technology assembling can improve the high frequency characteristics of microwave tube greatly;
(2) assembly technology is simple and convenient, and rate of finished products height, sub-assembly bonding jig can be realized the even contact of supporting rod and helix and guarantee that supporting rod accurately is positioned on the helix;
(3) microwave tube assembling finishing back adhesive can be got rid of completely, guarantees the operate as normal of microwave tube, and the adhesive purging system can not only thoroughly wash adhesive, can also fully save solvent for cleaning, simple in structure, operation continuously, convenient, flexible, safe and reliable.
Description of drawings
The cross-sectional view of Fig. 1 microwave tube
Fig. 2 supporting rod cooperates with helix and requires schematic diagram
Fig. 3 supporting rod positioning beam action section schematic diagram
Fig. 4 supporting rod positioning beam effect schematic diagram
The whole assembling and positioning schematic diagram of Fig. 5 supporting rod and helix
The schematic diagram of the operation principle of Fig. 6 separate heat pipe
Fig. 7 cleans the purging system structural representation of anchor clamps horizontal positioned
Fig. 8 cleans the purging system structural representation that clip vertical is placed
Fig. 9 microwave tube cleans the clamp structure schematic diagram
Each part description among the figure:
1. microwave tube shell, 2. molybdenum matter helix, 3. ceramic supporting rod, 4. uniform load, 5. beam, 6. tungsten rod, 7. hexagonal master locating piece 8. is tied with the tungsten rod of molybdenum matter helix, 9. location hole, 10. bolt, 11. input heats, 12. working medium, 13. working medium flashes to steam, 14 steam are condensed into working medium, 15. quantities of heat given up, 16. blowdown valve, 17. have the heating container of separate heat pipe, 18. filter washing water inlets, 19. clamping hoop type fast-assembling flange, 20. Pressure gauges, 21. atmospheric valves, 22. the chuck condensation, 23. flowmeters, 24. clean anchor clamps, 25. cleaning fluid import storehouse, 26. import storehouse fluid ports, 27. sealing rings, 28. cleaning storehouse, 29. the microwave tube sub-assembly, 30. microwave tube bolts, 31 rinse liquid outlet storehouses, the direction 32. core bar baffle plate, 33. cleaning fluids flow
Embodiment
Embodiment 1
The bonding assembling new technology of microwave tube slow wave circuit of the present invention, its step is as follows:
A), earlier three supporting rods are accurately positioned on the helix that core bar is housed with 120 degree angles, bonding supporting rod of coated with adhesive and helix then, be specially earlier release agent is gone up in three crossbeam coatings, described beam is the rectangle inner trough structure part of band taper angle, the inside groove on top is an inverted T-slot, supporting rod is embedded in the taper angle below, in the groove of crossbeam, be coated with the location agent again, again the core bar axle center accurately is positioned at main locating piece axle center, described main locating piece has 2, be the regular hexagon structural member, all evenly be provided with 6 location holes around each main locating piece, two main locating pieces fix with the close-fitting rod iron of location hole by 6, and its spacing depends on the length of supporting rod; The both sides of main locating piece are provided with the axle center locating piece that equal accuracy requires respectively, this axle center locating piece is the identical regular hexagon sheet material of shape and main locating piece, thickness 2mm, the distribution of location hole on every side is also identical with main locating piece, the axle center be provided with can with the close-fitting location hole of core bar.Main locating piece regular hexagon structural member adopts the method for overall wire cutting to carry out time processing, the cutting step value of line cutting equipment is 1 micron, precision is controlled in the 10-4mm, and three that are used for fixing beam on this structural member in addition with the equally distributed bolt in 120 degree angles.At last three crossbeams being embedded with supporting rod respectively are inserted in the middle of two main locating pieces with 120 degree angles, enter into T-slot by bolt three orientation of three beams that are embedded with supporting rod from 120 degree angles are compressed supporting rod to the axle center.Three supporting rods then are installed respectively, three crossbeams that are embedded with supporting rod are assembled on the anchor clamps that have core bar and helix, form assembly, bonding supporting rod of coating adhesive and helix then, after treating adhesive curing fully, lay down anchor clamps, remove the location agent, three supporting rods circumferentially are distributed on the helix with 120 °
B), treat that adhesive solidifies after, according to three supporting rods of size needs grinding, be made into supporting rod-core bar-helix assembly again;
C), supporting rod-core bar-helix assembly of making and microwave tube being in the sagging vertical pulling of interference fit goes in the microwave tube shell;
D), wash the adhesive of bonding supporting rod and helix, microwave tube slow wave circuit promptly is assembled into merit.
The assembling target of microwave tube is utilized closely cooperating of ceramic supporting rod 3 and microwave tube shell 1 and molybdenum matter helix 2 as shown in Figure 1, realizes fixing between microwave tube, ceramic supporting rod 3, the molybdenum matter helix 2; During manufacturing, earlier ceramic supporting rod 3 is accurately located with molybdenum matter helix 2, coated with adhesive then, contacting between pottery supporting rod 3 and the molybdenum matter helix 2 requires even, be that every ceramic supporting rod 3 all contacts with the place of molybdenum matter helix 2 each phase intersection, pottery supporting rod 3 is the fine filaments that the cross section is 1.0 * 0.5mm, overall stiffness is less, so must impose uniform load to ceramic supporting rod 3, just can make the even contact of ceramic supporting rod 3 and molybdenum matter helix 2, as shown in Figure 2, in order to realize good contact the between ceramic supporting rod 3 and the molybdenum matter helix 2, ceramic supporting rod 3 is placed on the straight beam 5, described beam 5 is the rectangle inner trough structure part of band taper angle, the inside groove on top is an inverted T-slot, supporting rod 3 is embedded in the taper angle below, beam 5 structure such as Fig. 3, shown in Figure 4, the base material of beam 5 is high hard Materials with High Strength Cr12, adopt the line cutting processing to realize the glacing flatness and the precision of beam, on the structural design of beam, increase the rigidity of beam as much as possible, rigidity in the axial direction particularly, guarantee the even contact of supporting rod 3 and molybdenum matter helix 2, can be by the Stress calculation of material, the beam of confirming design is under certain thrust condition, cooperate the elastic deformation amount of molybdenum matter helix 2, thereby can guarantee the even contact of supporting rod 3 and molybdenum matter helix 2.Between pottery supporting rod 3 and the molybdenum matter helix 2 contact except require abundant, also require three ceramic supporting rods 3 uniform in a circumferential direction, because the external diameter of molybdenum matter helix 2 is less, so when positioning, deviation is arranged slightly, the median plane that departs from molybdenum matter helix 2 that just can cause ceramic supporting rod 3, this is except the even distribution that can not guarantee ceramic supporting rod 3, therefore the most serious loose contact that can cause between ceramic supporting rod 3 and the molybdenum matter helix 2 must guarantee that the position of ceramic supporting rod 3 is accurate; The present invention has designed the hexagonal master's locating piece 7 with the whole location of three crossbeams for this reason, as shown in Figure 5, described main locating piece has 2, be the regular hexagon structural member, all evenly be provided with 6 location .9 around each main locating piece, two main locating pieces fix with location hole 9 close-fitting rod irons by 6, and its spacing depends on the length of ceramic supporting rod; Main locating piece 7 adopts the method for overall wire cutting to carry out time processing, the cutting step value of line cutting equipment is 1 micron, precision control 10-4mm, by calculating and experiment, confirm that this method for processing can guarantee the matching requirements of supporting rod 3, the both sides of main locating piece 7 are provided with the axle center locating piece that equal accuracy requires respectively, this axle center locating piece is the identical regular hexagon sheet material of shape and main locating piece, thickness 2mm, the distribution of location hole on every side is also identical with main locating piece, the axle center be provided with can with the close-fitting location hole of core bar.
Adopt ceramic supporting rod 3 embedded rigid beams can solve the glacing flatness problem of ceramic supporting rod 3, but similarly, molybdenum matter helix 2 also must possess except that having the axle center positioning requirements, its helix 2 cylindricals also must have the requirement of glacing flatness, so just can reach the requirement that cooperates with supporting rod 3, in the inboard of spiral tungsten rod 6 is set, the cylindrical of tungsten rod 6 is to be formed by Precise Grinding, diameter is 2.90mm, length overall 180mm, for such core bar, the rigidity of itself is not high, utilizes core bar to guarantee that the periphery glacing flatness of molybdenum matter helix 2 is very difficult fully; In the present embodiment, in the both sides of main locating piece the axle center locating piece that equal accuracy requires is set respectively, the axle center of tungsten rod 6 is accurately located earlier, then three orientation of beam from 120 degree are compressed supporting rod 3 to the axle center, under the restriction of axle center locating piece, the fixed-site at the two ends of tungsten rod 6, at this moment, the stressing conditions of tungsten rod 6 is exactly a simply supported beam, near fulcrum stress and deformation is very little, so it is more accurate to work as the position at beam and near the two ends of ceramic supporting rod 3 locating piece of axle center, and ceramic supporting rod 3 Embedded crossbeams have higher glacing flatness, so the integral position of ceramic supporting rod 3 is just located exactly; Simultaneously, pottery supporting rod 3 is to compress to the axle center from three uniform directions, just the three-jaw anchor clamps on lathe are the same, molybdenum matter helix 2 is positioned at the center very accurately, promptly limit the position of molybdenum matter helix 2 with the straight position accurately of ceramic supporting rod 3, both guarantee good contact of ceramic supporting rod 3 and molybdenum matter helix 2, guaranteed the accuracy of the position between ceramic supporting rod 3 and the helix 2 again.
Purging system of the present invention utilizes the design principle of separate heat pipe to come the continuous running of realization system under negative pressure, be about to cleaning device and be designed to a separate heat pipe, utilize the operation principle of heat pipe to can be implemented in the continuous running and the cleaning of the system under the absolute pressure 0.01Mpa condition.Separate heat pipe is a kind of high-performance heat transfer components, be widely used in various diabatic processes, its simple operation principle is: charge into certain working media in the system of airtight vacuum, during work, evaporation ends input heat at heat pipe, after being heated, the working medium of evaporation ends promptly vaporizes, the working substance steam that has absorbed the latent heat of vaporization enters condensation end by pipeline, emit heat here, vapor condenses becomes liquid, and condensate liquid flows back to evaporation ends by return duct, so forms circulation continuously, form the continuous transmission of heat from the evaporation ends to the condensation end, as shown in Figure 6; Purging system in the present invention, be not in order to realize control transfer of heat, mainly be to utilize the working medium that constantly circulates in the heat pipe to clean the microwave tube sub-assembly, working medium after promptly evaporation is purified refluxes after condensation, the microwave tube sub-assembly of flowing through in the process that refluxes cleans the adhesive on the microwave tube sub-assembly.Owing to be vacuum system, working medium just can be vaporized under negative pressure simultaneously, realizes continuous processs such as vaporization, condensation, like this, under negative pressure condition, also can clean the microwave tube sub-assembly, this is very useful to some boiling points high cleaning working medium and adhesive.Present embodiment can be realized continuous cleaning under the pressure of absolute pressure 0.01Mpa-2Mpa.
As shown in Figure 7, purging system of the present invention includes blowdown valve 16, the heating container 17 that has separate heat pipe, filter washing water inlet 18, clamping hoop type fast-assembling flange 19, Pressure gauge 20, atmospheric valve 21, flowmeter 23, clean anchor clamps 24, heating container 17 upper ends that have separate heat pipe connect jacket condensator 22 by jet chimney, jacket condensator 22 is connected with cleaning anchor clamps 24 by condensation pipe again, clean anchor clamps 24 and connect heating container 17 lower ends that have separate heat pipe by pipeline again, Pressure gauge is housed on the jet chimney, before jacket condensator 22 imports atmospheric valve is housed, between jacket condensator and the cleaning anchor clamps flowmeter is housed, clean anchor clamps simultaneously and have between the heating container of separate heat pipe flowmeter also is housed, the heating container bottom that has separate heat pipe also is provided with blowdown valve 16, and top is provided with filter washing water inlet 18.
As shown in Figure 9, according to practical structures of microwave tube (inner chamber thin and grow) and size specialized designs cleaning anchor clamps 24, the cleaning anchor clamps are tubular construction, by the cleaning fluid import storehouse 25 that links to each other successively, clean storehouse 28 and 31 one-tenth in rinse liquid outlet storehouse, import storehouse 25 internal diameters are less than cleaning storehouse internal diameter 28, import storehouse fluid port 26 internal diameters are less than import storehouse 25 internal diameters, the internal diameter that cleans the storehouse two-port is less than cleaning storehouse 28 internal diameters, rinse liquid outlet storehouse 31 internal diameters are greater than cleaning storehouse 28 internal diameters, clean storehouse 28 interior feed liquor ports sealing ring is housed, outlet is equipped with core bar baffle plate 32 and microwave tube bolt 30 in the storehouse.Effectively locate sub-assembly in the cleaning process again simultaneously at this anchor clamps guarantee to allow cleaning fluid flow through position that adhesive exists, prevents that washing away of cleaning fluid caused moving of ceramic supporting rod 3 and molybdenum matter helix 2 in cleaning process; Clean the anchor clamps level and be connected in the condensate liquid reflux line, as shown in Figure 7, clean needs according to reality, at reflux pipeline and clean on the anchor clamps heating or cooling even refrigerating plant are set, the cleaning temperature at position, controlled microwave pipe place effectively just; In the present embodiment, regulate adding heat (being evaporation ends input heat), can realize the adjusting of total evaporation, at condensation end, water cooling area in the present embodiment can be regulated, thereby the adjusting by film-cooled heat, can regulate the quantity of heat given up of condensation end, the working substance steam that guarantees evaporation can all be cooled off, thereby has realized cleaning the adjusting of liquid measure.In the liquid return loop of present embodiment, also be provided with spinner flowmeter and liquid level gauge, can carry out accurate measurement to the flow of cleaning fluid, strengthened sign to cleaning process.
Present embodiment is band pressure when operation, the requirement of pressing force container is carried out in design and manufacture process, after manufacturing, carry out pressure test and gas-tight test on request, Pressure gauge, safety anti-explosive film and emergency drain etc. are housed in the system, guarantee the safe operation in process of the test and cleaning process.
Present embodiment adopts built-in heating arrangement, goes into heating element in the thermal recovery interpolation that adds of evaporation ends, and firing rate is fast, the efficient height, and fail safe is good, and thermal inertia is little, can control fast and effectively heating process, and structural configuration is succinct.
The present embodiment connecting portion adopts clamping hoop type fast-assembling flange, the loading and unloading that can conveniently clean anchor clamps, and it is very convenient to change the microwave tube sub-assembly that is cleaned.
Utilize present embodiment to clean bonding assembling microwave tube with the process conditions of adhesive to be: cleaning solvent is a butanone, cleaning temperature is about 80 ℃, pressure is about 0.2 kilogram, the flow that cleaning agent flows through test specimen is 3.5L/h, scavenging period is 1 hour, notes cleaning in the temperature-rise period and must discharge non-condensation gas.
Embodiment 2
Method and technology are with embodiment 1, different is to clean anchor clamps 24 as shown in Figure 8 vertically to place, when vertical the placement, the flow direction of cleaning fluid is for vertically downward, and the liquid wash direction is consistent with gravity direction, and developing result is better, but the direction of the scouring force that the interior stamen assembly of microwave tube is suffered is also consistent with gravity direction, in the process of flushing, interior stamen might be dashed from rigging position, cause flushing to scrap; And the flushing of horizontal level, liquid wash direction and gravity direction are perpendicular, and developing result is more weaker than the upright position, but suffered scouring force and the gravity direction of stamen assembly is perpendicular in the microwave tube, is difficult for relatively towards from rigging position.This dual mode can switch as required easily.
Claims (7)
1, the bonding assembling new technology of a kind of microwave tube slow wave circuit is characterized in that may further comprise the steps:
A), earlier three supporting rods are accurately positioned on the helix that core bar is housed with 120 degree angles, bonding supporting rod of coated with adhesive and helix then;
B), treat that adhesive solidifies after, according to three supporting rods of size needs grinding, be made into supporting rod-core bar-helix assembly again;
C), supporting rod-core bar-helical assembly of making and microwave tube being in the sagging vertical pulling of interference fit goes in the microwave tube shell;
D), wash the adhesive of bonding supporting rod and helix, microwave tube slow wave circuit promptly is assembled into merit.
2, the bonding assembling new technology of microwave tube slow wave circuit according to claim 1 is characterized in that the method for the accurate location described in the step a) is as follows:
A), earlier supporting rod is embedded on the straight beam, described beam is the rectangle inner trough structure part of band taper angle, and the inside groove on top is an inverted T-slot, and supporting rod is embedded in the taper angle below;
B), again the core bar axle center accurately is positioned at main locating piece axle center, described main locating piece has 2, be the regular hexagon structural member, all evenly be provided with 6 location holes around each main locating piece, two main locating pieces fix with the close-fitting rod iron of location hole by 6, and its spacing depends on the length of supporting rod;
C), at last three crossbeams being embedded with supporting rod respectively are inserted in the middle of two main locating pieces with 120 degree angles, entering into T-slot by bolt compresses with supporting rod three orientation of three beams that are embedded with supporting rod from 120 degree angles to the axle center.
3, the bonding assembling new technology of microwave tube slow wave circuit according to claim 2, it is characterized in that adopting the method for overall wire cutting to carry out time processing at described main locating piece regular hexagon structural member, the cutting step value of line cutting equipment is 1 micron, and precision is controlled at 10
-4In the mm, three that are used for fixing beam on this structural member in addition with the equally distributed bolt in 120 degree angles.
4, according to claim 2 or the bonding assembling new technology of 3 described microwave tube slow wave circuits, it is characterized in that the axle center locating piece that equal accuracy requires being set respectively in the both sides of main locating piece, this axle center locating piece is the identical regular hexagon sheet material of shape and main locating piece, thickness 2mm, the distribution of location hole on every side is also identical with main locating piece, the axle center be provided with can with the close-fitting location hole of core bar.
5, a kind ofly realize the above-mentioned special-purpose purging system that cleans the adhesive of bonding supporting rod and helix, it is characterized in that purging system is to utilize separate heat pipe to make cleansing medium evaporation, condensation, the continuous circulation system of evaporation again, cleans anchor clamps and is connected in the condensate liquid reflux line.
6, purging system according to claim 5, it is characterized in that described purging system includes blowdown valve, the heating container that has separate heat pipe, the filter washing water inlet, clamping hoop type fast-assembling flange, Pressure gauge, atmospheric valve, flowmeter, clean anchor clamps, the heating container upper end that has separate heat pipe connects jacket condensator by jet chimney, jacket condensator is connected with the cleaning anchor clamps by condensation pipe again, clean anchor clamps and connect the heating container lower end that has separate heat pipe by pipeline again, Pressure gauge is housed on the jet chimney, before the jacket condensator import atmospheric valve is housed, between jacket condensator and the cleaning anchor clamps flowmeter is housed, clean anchor clamps simultaneously and have between the heating container of separate heat pipe flowmeter also is housed, the heating container bottom that has separate heat pipe also is provided with blowdown valve, and top is provided with the filter washing water inlet.
7, according to claim 5 or 6 described purging systems, it is characterized in that described cleaning anchor clamps are tubular construction, form by the cleaning fluid import storehouse that links to each other successively, cleaning storehouse and rinse liquid outlet storehouse, import storehouse internal diameter is less than cleaning the storehouse internal diameter, import storehouse fluid port internal diameter is less than import storehouse internal diameter, and the internal diameter that cleans the storehouse two-port is less than cleaning the storehouse internal diameter, and outlet storehouse internal diameter is greater than cleaning the storehouse internal diameter, the feed liquor port is equipped with sealing ring in the cleaning storehouse, and outlet is equipped with core bar baffle plate and microwave tube bolt in the storehouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101228177A CN100464623C (en) | 2005-12-05 | 2005-12-05 | Microwave tube slow wave circuit bonding assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101228177A CN100464623C (en) | 2005-12-05 | 2005-12-05 | Microwave tube slow wave circuit bonding assembly method |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101498940A Division CN100560230C (en) | 2005-12-05 | 2005-12-05 | Cleaning system for adhesive used in novel microwave tube slow wave circuit bonding assembly method |
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| Publication Number | Publication Date |
|---|---|
| CN1805680A true CN1805680A (en) | 2006-07-19 |
| CN100464623C CN100464623C (en) | 2009-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005101228177A Expired - Fee Related CN100464623C (en) | 2005-12-05 | 2005-12-05 | Microwave tube slow wave circuit bonding assembly method |
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| CN (1) | CN100464623C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101383253B (en) * | 2007-09-05 | 2010-08-25 | 中国科学院电子学研究所 | Preparation for slow wave component of spiral line travelling-wave tube |
| CN101689463B (en) * | 2007-02-21 | 2012-06-20 | 曼哈顿技术有限公司 | High frequency helical amplifier and oscillator |
| CN103972008A (en) * | 2014-05-29 | 2014-08-06 | 成都国光电气股份有限公司 | Clamp for slow-wave helix traveling-wave tube |
| CN103990929A (en) * | 2014-04-17 | 2014-08-20 | 成都国光电气股份有限公司 | Welding jig for spiral line of traveling-wave tube |
| CN111872863A (en) * | 2019-05-02 | 2020-11-03 | 翰默有限公司 | Hydraulically clampable tool holder/workpiece holder |
| CN113770629A (en) * | 2021-09-15 | 2021-12-10 | 成都国光电气股份有限公司 | Tool for welding helix and clamping rod of traveling wave tube |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0498736A (en) * | 1990-08-15 | 1992-03-31 | Nec Corp | Manufacture of helix type travelling wave tube |
| JPH04332425A (en) * | 1991-05-09 | 1992-11-19 | Nec Corp | Manufacture of slow wave circuit of traveling wave tube |
| JPH0512995A (en) * | 1991-07-04 | 1993-01-22 | Nec Corp | Manufacture of slow-wave circuit of traveling wave tube |
| CN1152410C (en) * | 2000-10-08 | 2004-06-02 | 中国科学院电子学研究所 | Full-metallic spiral slow-wave structure |
| JP4098736B2 (en) * | 2003-06-18 | 2008-06-11 | 株式会社東海理化電機製作所 | Electrochromic mirror |
| CN100339928C (en) * | 2003-07-21 | 2007-09-26 | 中国科学院电子学研究所 | Combined extrusion method using transition cellpacking to realize helical slow-wave structure |
-
2005
- 2005-12-05 CN CNB2005101228177A patent/CN100464623C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101689463B (en) * | 2007-02-21 | 2012-06-20 | 曼哈顿技术有限公司 | High frequency helical amplifier and oscillator |
| CN101383253B (en) * | 2007-09-05 | 2010-08-25 | 中国科学院电子学研究所 | Preparation for slow wave component of spiral line travelling-wave tube |
| CN103990929A (en) * | 2014-04-17 | 2014-08-20 | 成都国光电气股份有限公司 | Welding jig for spiral line of traveling-wave tube |
| CN103990929B (en) * | 2014-04-17 | 2016-01-13 | 成都国光电气股份有限公司 | A kind of travelling tube helical line weld jig |
| CN103972008A (en) * | 2014-05-29 | 2014-08-06 | 成都国光电气股份有限公司 | Clamp for slow-wave helix traveling-wave tube |
| CN111872863A (en) * | 2019-05-02 | 2020-11-03 | 翰默有限公司 | Hydraulically clampable tool holder/workpiece holder |
| CN111872863B (en) * | 2019-05-02 | 2023-09-22 | 翰默有限公司 | Hydraulically clampable tool holder/work piece holder |
| CN113770629A (en) * | 2021-09-15 | 2021-12-10 | 成都国光电气股份有限公司 | Tool for welding helix and clamping rod of traveling wave tube |
| CN113770629B (en) * | 2021-09-15 | 2023-08-08 | 成都国光电气股份有限公司 | Frock is used in welding of travelling wave tube helix, clamping lever |
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| Publication number | Publication date |
|---|---|
| CN100464623C (en) | 2009-02-25 |
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