CN103464905B - Be applicable to the clamping device of longitudinal joint laser cutting and welding at the bottom of rocket case - Google Patents
Be applicable to the clamping device of longitudinal joint laser cutting and welding at the bottom of rocket case Download PDFInfo
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- CN103464905B CN103464905B CN201310415522.3A CN201310415522A CN103464905B CN 103464905 B CN103464905 B CN 103464905B CN 201310415522 A CN201310415522 A CN 201310415522A CN 103464905 B CN103464905 B CN 103464905B
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Abstract
The invention discloses a kind of clamping device being applicable to longitudinal joint laser cutting and welding at the bottom of rocket case, comprise melon lobe and inhale tire group, vacuum generating device, vacuum hose, rotating disk, control system, key pressing plate group and base, wherein, described rotating disk is installed on base, described melon lobe inhales tire group and rotating disk is connected, described vacuum generating device is inhaled tire group by vacuum hose and melon lobe and is connected, described key pressing plate group is arranged on base, and described control system inhales tire group, vacuum generating device, rotating disk and the work of key pressing plate group for controlling melon lobe.The present invention has compact conformation, feature simple to operate, in automatic welding process at the bottom of case, can ensure that melon lobe is reliably fixed near the welding edge of longitudinal joint, accurately align, and avoid welding process to occur misalignment phenomenon.
Description
Technical field
The present invention relates to laser welding technology field, specifically a kind of clamping device being applicable to longitudinal joint laser cutting and welding at the bottom of rocket case.
Background technology
Tank is structure member maximum in carrier rocket rocket body structure, be used for storing liquid hydrogen/oxygen propellant as pressure vessel, simultaneously as the main force support structure of rocket, play a part to support thermal protection system (i.e. adiabatic overcoat) and provide installation foundation and space for other system instrument and equipment.
As depicted in figs. 1 and 2, be called at the bottom of case at the bottom of the ellipsoid at tank two ends, adopt part welding, welding method is Laser Welding.The part of welding at the bottom of case has annulus (6 pieces of melon lobes), top cover, frame of section bar and flange etc.Weld seam between melon lobe is called longitudinal joint.
Because melon lobe is spheroid, welding edge region is curved surface, therefore welds clamping difficulty.In automatic welding process at the bottom of case, require that melon lobe must be reliable fixing near the welding edge of longitudinal joint, accurately align, and do not occur the phenomenons such as misalignment in welding process.
In order to meet the development demand of aerospace product, the present invention proposes a kind of vacuum suction clamping device being applicable to carrier rocket store-vessel bottom longitudinal joint laser cutting, welding.Do not find explanation or the report of technology similar to the present invention at present, not yet collect similar data both at home and abroad yet.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, propose a kind of clamping device being applicable to longitudinal joint laser cutting and welding at the bottom of rocket case.
The present invention is achieved by the following technical solutions.
A kind of clamping device being applicable to longitudinal joint laser cutting and welding at the bottom of rocket case, comprise melon lobe and inhale tire group, vacuum generating device, vacuum hose, rotating disk, control system, key pressing plate group and base, wherein, described rotating disk is installed on base, described melon lobe inhales tire group and rotating disk is connected, described vacuum generating device is inhaled tire group by vacuum hose and melon lobe and is connected, described key pressing plate group is arranged on base, and described control system inhales tire group, vacuum generating device, rotating disk and the work of key pressing plate group for controlling melon lobe.
Preferably, described melon lobe is inhaled tire group and is comprised many cover melon lobe suction tires, and wherein every suit melon lobe suction tire 1 includes: cast steel profile 9, rectangular steel pipe 10, base plate 11, distribution block 12, switching flexible pipe 13, gas-distributing pipe 14, slide block 15, ball screw assembly 16 and melon lobe inhale tire servomotor 17, wherein, and described cast steel profile 9, rectangular steel pipe 10 and base plate 11 welding form melon lobe and inhale tire main body, the upper surface of described cast steel profile 9 is Ellipsoidal Surface, and consistent with profile in melon lobe, described cast steel profile 9 is evenly equipped with and vacuumizes hole and seal groove, described in vacuumize hole successively by gas-distributing pipe 14, switching flexible pipe 13 is connected with vacuum hose with distribution block 12, and the built-in high temperature resistant O type sealing strip of described seal groove, guarantees sealing when vacuumizing, described base plate 11 is bolted with by 4 slide blocks 15, ball screw assembly 16 and melon lobe inhale the transmission mechanism that tire servomotor 17 is formed, and described melon lobe each melon lobe inhaled in tire group inhales tire 1 all by respective ball screw assembly 16, slide block 15 coordinates with rotating disk, realizes melon lobe and inhales the rectilinear movement of tire 1 along rotating disk 4 radial direction.
Preferably, described gas-distributing pipe 14 adopts steel pipe welding to form.
Preferably, comprising of described vacuum generating device 2: vavuum pump, muffler, electromagnetism pressure differential vacuum valve, high-vacuum diaphragm valve, vacuum trap, high vacuum Hand-operated butterfly valve and vacuum meter, wherein, described vavuum pump is connected with electromagnetism pressure differential vacuum valve, described electromagnetism pressure differential vacuum valve is connected with vacuum trap, described vacuum trap is connected with high vacuum Hand-operated butterfly valve, and described high vacuum Hand-operated butterfly valve is connected with vacuum meter, and described vacuum meter is inhaled tire group by vacuum hose and melon lobe and is connected; Described vavuum pump is provided with muffler, is provided with high-vacuum diaphragm valve between described electromagnetism pressure differential vacuum valve and vacuum trap.
Preferably, described vacuum hose adopts steel wire winding type vacuum tube.
Preferably, described melon lobe is inhaled tire group and is comprised 6 cover melon lobes suction tires 1, and described rotating disk 4 adopts steel plate butt welding structure, it is bolted with 6 groups of totally 12 line slideways 18, and described every suit melon lobe is inhaled tire 1 and moved on corresponding line slideway 18; Described rotating disk 4 drives 6 cover melon lobes to inhale the rotate axis of dish 4 of tires 1 and does gyration, in order to change the longitudinal joint position of laser cutting, welding.
Preferably, described key pressing plate group comprises 2 cover key pressing plates 7, two cover key pressing plates 7 are in mirrored arrangement, wherein, every suit key pressing plate 7 includes: air induction hose 19, air bag 20, camber mount pad 21 and several key assemblies 22, described camber mount pad 21 adopts steel plate butt welding to form, and described air bag 20 is placed in the groove of setting on camber mount pad 21, and described key assembly 22 is screwed onto on the sidewall of camber mount pad 21.
Preferably, each key assembly 22 described includes hinge 23, bearing pin 24, key 25 and brass cushion block 26, and wherein, described key 25 is connected with hinge 23 axle by bearing pin 24, and the free end end of described key 25 is provided with brass cushion block 26.
Preferably, described base 8 comprises chassis 27, revolving support 28, newel 29, base servo motor 30, carrier gear 31, high pulling torque motor 32, first rotating shaft 33, rollover stand 34, second rotating shaft 35, pressing plate 36 and cylinder 37, wherein, described chassis 27 adopts steel plate butt welding to form, chassis 27 is bolted with revolving support 28, described revolving support 28 is spirally connected with rotating disk 4, the output torque of described base servo motor 30 transfers to revolving support 28 by carrier gear 31, thus drive rotating disk 4 to rotate, described rollover stand 34 is for installing key pressing plate group, and overturn around the first rotating shaft 33 under the drive of high pulling torque motor 32, be screwed onto on chassis 27 by the lower end of the newel 29 of steel welding, the upper end of newel 29 is provided with 6 cover pressing plates 36, 6 cover pressing plates 36 are for compressing the termination of key pressing plate group, and under the driving of cylinder 37, overturn around the second rotating shaft 35.
Preferably, described control system adopts PLC to control.
Preferably, described control system comprises touch-screen 4, and described touch-screen 4 provides human-computer interaction interface, real-time display system service data, and setup parameter.
During work, the back side of melon lobe is evacuated, and relies on atmospheric pressure melon lobe to be pressed on melon lobe and inhales on tire.Vacuum generating device provides lasting, stable draught head, guarantee melon lobe inhale tire can be firm hold melon lobe.Key pressing plate 7 adopts pneumatic piano type fixture to fix the region of melon lobe near weld seam, ensures that clamping force is adjustable, even by the air pressure adjustment of air bag 20.The air pressure of air bag 20 is selected according to the process requirements of welding.Fixture divides left and right two rows, often arranges and is made up of several key assemblies 22, and each key assembly 22 can single movement, whole row's key assembly 22 and absorption surface.When air bag 20 inflation on key, key assembly 22 produces even clamping force, makes workpiece firm grip, guarantees that the upper and lower surface (surfaces externally and internally) of workpiece fully contacts with the weldering bushing on the inner tube of a tyre with key surface respectively.Brass cushion block 26 is equipped with in termination to key 25, contributes to weldment and dispels the heat rapidly in welding process.The body of package unit is lightly little, and the movement of butt-welding fitting and welding arc does not produce looks barrier, thus increases visibility, handled easily.Key structure in the present invention, utilizes lever principle, after air bag 20 pressurising is expanded, key 25 pressurized is rotated around hinge 23 and presses down, thus make brass cushion block 26 workpiece pressing of key 25 end.
The clamping device being applicable to longitudinal joint laser cutting and welding at the bottom of rocket case provided by the invention, compact conformation, simple to operate, in automatic welding process at the bottom of case, can ensure that melon lobe is reliably fixed near the welding edge of longitudinal joint, accurate alignment, and avoid welding process to occur misalignment phenomenon.
Accompanying drawing explanation
Fig. 1 is the front view of carrier rocket store-vessel bottom;
Fig. 2 is the top view of carrier rocket store-vessel bottom;
Fig. 3 is overall structure schematic diagram sketch of the present invention;
Fig. 4 is the front elevation that melon lobe inhales tire;
Fig. 5 is the back view that melon lobe inhales tire;
Fig. 6 is the system block diagram of vacuum generating device;
Fig. 7 is the structure diagram of rotating disk;
Fig. 8 is the structure diagram of key pressing plate;
Fig. 9 is the structure diagram of key assembly;
Figure 10 is the fundamental diagram of key pressing plate;
Figure 11 is the structure diagram of base;
Figure 12 is workflow diagram of the present invention;
In figure: 1 is melon lobe suction tire, 2 is vacuum generating device, 3 is vacuum hose, 4 is rotating disk, 5 is touch-screen, 6 is control system, 7 is key pressing plate, 8 is base, 9 is cast steel profile, 10 is rectangular steel pipe, 11 is base plate, 12 is distribution block, 13 is switching flexible pipe, 14 is gas-distributing pipe, 15 is slide block, 16 is ball screw assembly, 17 is melon lobe suction tire servomotor, 18 is line slideway, 19 is air induction hose, 20 is air bag, 21 is camber mount pad, 22 is key assembly, 23 is hinge, 24 is bearing pin, 25 is key, 26 is brass cushion block, 27 is chassis, 28 is revolving support, post centered by 29, 30 is base servo motor, 31 is carrier gear, 32 is high pulling torque motor, 33 is the first rotating shaft, 34 is rollover stand, 35 is the second rotating shaft, 36 is pressing plate, 37 is cylinder, 38 for vacuumizing hole, 39 is seal groove, 101 is flange, 102 is top cover, 103 is annulus (welding of 6 pieces of melon lobes), 104 is frame of section bar, 105 is melon lobe, 106 is longitudinal joint, 107 is longitudinal seam welding position.
Detailed description of the invention
Below embodiments of the invention are elaborated: the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Please refer to Fig. 3 to Figure 12.
Present embodiments provide a kind of clamping device being applicable to longitudinal joint laser cutting and welding at the bottom of rocket case, comprise melon lobe and inhale tire group, vacuum generating device, vacuum hose, rotating disk, control system, key pressing plate group and base, wherein, described rotating disk is installed on base, described melon lobe inhales tire group and rotating disk is connected, described vacuum generating device is inhaled tire group by vacuum hose and melon lobe and is connected, described key pressing plate group is arranged on base, and described control system inhales tire group, vacuum generating device, rotating disk and the work of key pressing plate group for controlling melon lobe.
Further, described melon lobe is inhaled tire group and is comprised many cover melon lobe suction tires, and wherein every suit melon lobe suction tire 1 includes: cast steel profile 9, rectangular steel pipe 10, base plate 11, distribution block 12, switching flexible pipe 13, gas-distributing pipe 14, slide block 15, ball screw assembly 16 and melon lobe inhale tire servomotor 17, wherein, and described cast steel profile 9, rectangular steel pipe 10 and base plate 11 welding form melon lobe and inhale tire main body, the upper surface of described cast steel profile 9 is Ellipsoidal Surface, and consistent with profile in melon lobe, described cast steel profile 9 is evenly equipped with and vacuumizes hole and seal groove, described in vacuumize hole successively by gas-distributing pipe 14, switching flexible pipe 13 is connected with vacuum hose with distribution block 12, and the built-in high temperature resistant O type sealing strip of described seal groove, guarantees sealing when vacuumizing, described base plate 11 is bolted with by 4 slide blocks 15, ball screw assembly 16 and melon lobe inhale the transmission mechanism that tire servomotor 17 is formed, and described melon lobe each melon lobe inhaled in tire group inhales tire 1 all by respective ball screw assembly 16, slide block 15 coordinates with rotating disk, realizes melon lobe and inhales the rectilinear movement of tire 1 along rotating disk 4 radial direction.
Further, described gas-distributing pipe 14 adopts steel pipe welding to form.
Further, comprising of described vacuum generating device 2: vavuum pump, muffler, electromagnetism pressure differential vacuum valve, high-vacuum diaphragm valve, vacuum trap, high vacuum Hand-operated butterfly valve and vacuum meter, wherein, described vavuum pump is connected with electromagnetism pressure differential vacuum valve, described electromagnetism pressure differential vacuum valve is connected with vacuum trap, described vacuum trap is connected with high vacuum Hand-operated butterfly valve, and described high vacuum Hand-operated butterfly valve is connected with vacuum meter, and described vacuum meter is inhaled tire group by vacuum hose and melon lobe and is connected; Described vavuum pump is provided with muffler, is provided with high-vacuum diaphragm valve between described electromagnetism pressure differential vacuum valve and vacuum trap.
Further, described vacuum hose adopts steel wire winding type vacuum tube.
Further, described melon lobe is inhaled tire group and is comprised 6 cover melon lobes suction tires 1, and described rotating disk 4 adopts steel plate butt welding structure, it is bolted with 6 groups of totally 12 line slideways 18, and described every suit melon lobe is inhaled tire 1 and moved on corresponding line slideway 18; Described rotating disk 4 drives 6 cover melon lobes to inhale the rotate axis of dish 4 of tires 1 and does gyration, in order to change the longitudinal joint position of laser cutting, welding.
Further, described key pressing plate group comprises 2 cover key pressing plates 7, two cover key pressing plates 7 are in mirrored arrangement, wherein, every suit key pressing plate 7 includes: air induction hose 19, air bag 20, camber mount pad 21 and several key assemblies 22, described camber mount pad 21 adopts steel plate butt welding to form, and described air bag 20 is placed in the groove of setting on camber mount pad 21, and described key assembly 22 is screwed onto on the sidewall of camber mount pad 21.
Further, each key assembly 22 described includes hinge 23, bearing pin 24, key 25 and brass cushion block 26, and wherein, described key 25 is connected with hinge 23 axle by bearing pin 24, and the free end end of described key 25 is provided with brass cushion block 26.
Further, described base 8 comprises chassis 27, revolving support 28, newel 29, base servo motor 30, carrier gear 31, high pulling torque motor 32, first rotating shaft 33, rollover stand 34, second rotating shaft 35, pressing plate 36 and cylinder 37, wherein, described chassis 27 adopts steel plate butt welding to form, chassis 27 is bolted with revolving support 28, described revolving support 28 is spirally connected with rotating disk 4, the output torque of described base servo motor 30 transfers to revolving support 28 by carrier gear 31, thus drive rotating disk 4 to rotate, described rollover stand 34 is for installing key pressing plate group, and overturn around the first rotating shaft 33 under the drive of high pulling torque motor 32, be screwed onto on chassis 27 by the lower end of the newel 29 of steel welding, the upper end of newel 29 is provided with 6 cover pressing plates 36, 6 cover pressing plates 36 are for compressing the termination of key pressing plate group, and under the driving of cylinder 37, overturn around the second rotating shaft 35.
Further, described control system adopts PLC to control.
Further, described control system comprises touch-screen 4, and described touch-screen 4 provides human-computer interaction interface, real-time display system service data, and setup parameter.
Be specially:
As shown in Figure 3, the present embodiment comprises: melon lobe inhales tire 1, vacuum generating device 2, vacuum hose 3, rotating disk 4, touch-screen 5, control system 6, key pressing plate 7, base 8 etc.
Wherein,
-as shown in Figure 4, Figure 5, described melon lobe is inhaled tire 1 and is comprised: cast steel profile 9, rectangular steel pipe 10, base plate 11, distribution block 12, switching flexible pipe 13, gas-distributing pipe 14, slide block 15, ball screw assembly 16, melon lobe inhale tire servomotor 17, and its main body adopts cast steel profile 9, rectangular steel pipe 10, base plate 11 welding forms.The upper surface of cast steel profile 9 is Ellipsoidal Surface, consistent with profile in melon lobe.Profile is evenly equipped with and vacuumizes hole and seal groove, vacuumize hole to be communicated with vacuum line by gas-distributing pipe 14 (adopting steel pipe welding to form), switching flexible pipe 13, distribution block 12 etc., the built-in high temperature resistant O type sealing strip of seal groove, guarantees sealing when vacuumizing.During work, the back side of melon lobe is evacuated, and relies on atmospheric pressure to be pressed on melon lobe and inhales on tire.The base plate 11 of melon lobe suction tire is bolted with the transmission mechanisms such as 4 slide blocks 15, ball screw assembly 16, melon lobe suction tire servomotor 17, coordinated with the line slideway on rotating disk by ball leading screw driving, slide block, realize melon lobe and inhale the rectilinear movement of tire 1 along rotating disk 4 radial direction.
-as shown in Figure 6, the function of described vacuum generating device 2 is to provide lasting, stable draught head, guarantee melon lobe inhale tire can be firm hold melon lobe.Vacuum generating device comprises: vavuum pump, muffler, electromagnetism pressure differential vacuum valve, high-vacuum diaphragm valve, vacuum trap, high vacuum Hand-operated butterfly valve, vacuum meter, control system etc.
-described vacuum hose 3 adopts steel wire winding type vacuum tube for connecting the distribution block 12 of vacuum generating device 2 and melon lobe suction tire 1.
-as shown in Figure 7, described rotating disk 4 drives 6 cover melon lobes to inhale the rotate axis of dish 4 of tires 1 and does gyration, in order to change the longitudinal joint position of laser cutting, welding.Rotating disk 4 is bolted with 6 groups of 12 line slideways 18, the melon lobe suction tire 1 that slide block 15 is housed can move on line slideway 18.Rotating disk 4 adopts steel plate butt welding structure.
-described touch-screen 4 provides human-computer interaction interface, real-time display system service data, and setup parameter.
-described control system 5 adopts PLC to control, and controls motor, the cylinder operation of package unit.
-as shown in Figure 8, described key pressing plate 7 has 2 covers, mirrored arrangement, primarily of compositions such as air induction hose 19, air bag 20, camber mount pad 21, key assemblies 22 (several).Camber mount pad 21 adopts steel plate butt welding to form, and air bag 20 is placed in its groove, and key assembly 22 is screwed onto on its sidewall.The structure diagram of key assembly 22 as shown in Figure 9, primarily of compositions such as hinge 23, bearing pin 24, key 25, brass cushion blocks 26.
By the air pressure adjustment of air bag 20, the operation principle of key pressing plate 7: adopt pneumatic piano type fixture to fix the region of melon lobe near weld seam in the present embodiment, ensures that clamping force is adjustable, even.The air pressure of air bag 20 is selected according to the process requirements of welding.Fixture divides left and right two rows, often arrange and be made up of several key assemblies 22, each key assembly 22 can single movement, whole row's key assembly 22 and absorption surface. when air bag 20 inflation on key, key assembly 22 produces even clamping force, make workpiece firm grip, guarantee that the upper and lower surface (surfaces externally and internally) of workpiece fully contacts with the weldering bushing on the inner tube of a tyre with key surface respectively.Brass cushion block 26 is equipped with in termination to key 25, contributes to weldment and dispels the heat rapidly in welding process.The body of package unit is lightly little, and the movement of butt-welding fitting and welding arc does not produce looks barrier, thus increases visibility, handled easily.
The key structure adopted in longitudinal seam welding frock as shown in Figure 10, mainly utilizes lever principle, after air bag 20 pressurising is expanded, key 25 pressurized is rotated around hinge 23 and presses down, thus make brass cushion block 26 workpiece pressing of key 25 end.
-as shown in figure 11, described base 8 is made up of chassis 27, revolving support 28, newel 29, base servo motor 30, carrier gear 31, high pulling torque motor 32, first rotating shaft 33, rollover stand 34, second rotating shaft 35, pressing plate 36, cylinder 37 etc.Chassis 27 adopts steel plate butt welding to form, and it is bolted with revolving support 28, and revolving support 28 is spirally connected with rotating disk 4 again, and the output torque of base servo motor 30 transfers to revolving support 28 by carrier gear 31, thus drives rotating disk 4 to rotate.Rollover stand 34, for installing 2 cover key pressing plates 7, can overturn around the first rotating shaft 33 under the drive of high pulling torque motor 32.Be screwed onto on chassis 27 by the lower end of the newel 29 of steel welding, upper end is provided with 6 cover pressing plates 36.Pressing plate 36, for compressing the termination of 2 cover key pressing plates, under the driving of cylinder 37, overturns around the second rotating shaft 35.
The workflow diagram of the present embodiment is shown in Figure 12.
In the present embodiment, the upper profile that described melon lobe inhales tire is Ellipsoidal Surface, consistent with profile in melon lobe.Profile is evenly equipped with and vacuumizes hole and seal groove, vacuumize hole and be connected with vacuum line, the built-in high temperature resistant O type sealing strip of seal groove, guarantees sealing when vacuumizing.During work, the back side of melon lobe is evacuated, and relies on atmospheric pressure to be pressed on melon lobe and inhales on tire.The bottom that melon lobe inhales tire is provided with the transmission mechanisms such as slide block, servomotor, ball screw, is coordinated with the line slideway on rotating disk by ball leading screw driving, slide block, realizes the rectilinear movement that melon lobe inhales tyre bead rotating disk radial direction.The function of described vacuum generating device is to provide lasting, stable draught head, guarantee melon lobe inhale tire can be firm hold melon lobe.The composition of vacuum generating device comprises: vavuum pump, muffler, electromagnetism pressure differential vacuum valve, high-vacuum diaphragm valve, vacuum trap, high vacuum Hand-operated butterfly valve, vacuum meter, control system etc.Described vacuum hose vacuumizes hole for what connect that vacuum generating device and melon lobe inhale tire, adopts steel wire winding type vacuum tube.Described driven by rotary disc 6 overlap melon lobe inhale tire rotate dish axis do gyration, in order to change the longitudinal joint position of laser cutting, welding.Rotating disk is provided with 6 groups of line slideways, the melon lobe suction tire that slide block is housed can move on line slideway.Rotating disk adopts steel plate butt welding structure.Described touch-screen provides human-computer interaction interface, real-time display system service data, and setup parameter.Described control system adopts PLC to control, and controls motor, the cylinder operation of package unit.Described key pressing plate is used for the welding edge compressing melon lobe when welding, and is convenient to welding.Described floor installation has revolving support and servomotor, rotates with upper-part for driving a whole set of rotating disk.Meanwhile, base is provided with switching mechanism and the hold-down mechanism of key pressing plate, is convenient to install, dismantle workpiece.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (8)
1. one kind is applicable to the clamping device of longitudinal joint laser cutting and welding at the bottom of rocket case, it is characterized in that, comprise melon lobe and inhale tire group, vacuum generating device, vacuum hose, rotating disk, control system, key pressing plate group and base, wherein, described rotating disk is installed on base, described melon lobe inhales tire group and rotating disk is connected, described vacuum generating device is inhaled tire group by vacuum hose and melon lobe and is connected, described key pressing plate group is arranged on base, and described control system inhales tire group, vacuum generating device, rotating disk and the work of key pressing plate group for controlling melon lobe;
Described key pressing plate group comprises 2 cover key pressing plates, 2 cover key pressing plates are mirrored arrangement, wherein, every suit key pressing plate includes: air induction hose, air bag, camber mount pad and several key assemblies, described camber mount pad adopts steel plate butt welding to form, described air bag is placed in groove that camber mount pad is arranged, and described key assembly is screwed onto on the sidewall of camber mount pad.
2. the clamping device being applicable to longitudinal joint laser cutting and welding at the bottom of rocket case according to claim 1, it is characterized in that, described melon lobe is inhaled tire group and is comprised many cover melon lobe suction tires, wherein every suit melon lobe suction tire includes: cast steel profile, rectangular steel pipe, base plate, distribution block, switching flexible pipe, gas-distributing pipe, slide block, ball screw assembly and melon lobe inhale tire servomotor, wherein, described cast steel profile, rectangular steel pipe and base plate welding form melon lobe and inhale tire main body, the upper surface of described cast steel profile is Ellipsoidal Surface, and it is consistent with profile in melon lobe, described cast steel profile is evenly equipped with and vacuumizes hole and seal groove, gas-distributing pipe is passed through successively in the described hole that vacuumizes, switching flexible pipe is connected with vacuum hose with distribution block, the built-in high temperature resistant O type sealing strip of described seal groove, guarantee sealing when vacuumizing, described base plate is bolted with by 4 slide blocks, ball screw assembly and melon lobe inhale the transmission mechanism that tire servomotor is formed, described melon lobe each melon lobe inhaled in tire group inhales tire all by respective ball screw assembly, slide block coordinates with rotating disk, realize the rectilinear movement that melon lobe inhales tyre bead rotating disk radial direction,
Described gas-distributing pipe adopts steel pipe welding to form.
3. the clamping device being applicable to longitudinal joint laser cutting and welding at the bottom of rocket case according to claim 1, it is characterized in that, comprising of described vacuum generating device: vavuum pump, muffler, electromagnetism pressure differential vacuum valve, high-vacuum diaphragm valve, vacuum trap, high vacuum Hand-operated butterfly valve and vacuum meter, wherein, described vavuum pump is connected with electromagnetism pressure differential vacuum valve, described electromagnetism pressure differential vacuum valve is connected with vacuum trap, described vacuum trap is connected with high vacuum Hand-operated butterfly valve, described high vacuum Hand-operated butterfly valve is connected with vacuum meter, described vacuum meter is inhaled tire group by vacuum hose and melon lobe and is connected, described vavuum pump is provided with muffler, is provided with high-vacuum diaphragm valve between described electromagnetism pressure differential vacuum valve and vacuum trap,
Described vacuum hose adopts steel wire winding type vacuum tube.
4. the clamping device being applicable to longitudinal joint laser cutting and welding at the bottom of rocket case according to claim 1, it is characterized in that, described melon lobe is inhaled tire group and is comprised 6 cover melon lobes suction tires, described rotating disk adopts steel plate butt welding structure, it is bolted with 6 groups of totally 12 line slideways, described every suit melon lobe is inhaled tire and is moved on corresponding line slideway; Described driven by rotary disc 6 overlap melon lobe inhale tire rotate dish axis do gyration, in order to change the longitudinal joint position of laser cutting, welding.
5. the clamping device being applicable to longitudinal joint laser cutting and welding at the bottom of rocket case according to claim 1, it is characterized in that, each key assembly described includes hinge, bearing pin, key and brass cushion block, wherein, described key is connected with hinge axis by bearing pin, and the free end end of described key is provided with brass cushion block.
6. the clamping device being applicable to longitudinal joint laser cutting and welding at the bottom of rocket case according to claim 1, it is characterized in that, described base comprises chassis, revolving support, newel, base servo motor, carrier gear, high pulling torque motor, first rotating shaft, rollover stand, second rotating shaft, pressing plate and cylinder, wherein, described chassis adopts steel plate butt welding to form, chassis is bolted with revolving support, described revolving support and rotating disk are spirally connected, the output torque of described base servo motor transfers to revolving support by carrier gear, thus drive dial rotation, described rollover stand is for installing key pressing plate group, and around the first rotating shaft upset under the drive of high pulling torque motor, be screwed onto on chassis by the lower end of the newel of steel welding, the upper end of newel is provided with 6 cover pressing plates, 6 cover pressing plates are for compressing the termination of key pressing plate group, and under the driving of cylinder, around the second rotating shaft upset.
7. the clamping device being applicable to longitudinal joint laser cutting and welding at the bottom of rocket case according to claim 1, is characterized in that, described control system adopts PLC to control.
8. the clamping device being applicable to longitudinal joint laser cutting and welding at the bottom of rocket case according to claim 7, is characterized in that, described control system comprises touch-screen, and described touch-screen provides human-computer interaction interface, real-time display system service data, and setup parameter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310415522.3A CN103464905B (en) | 2013-09-12 | 2013-09-12 | Be applicable to the clamping device of longitudinal joint laser cutting and welding at the bottom of rocket case |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310415522.3A CN103464905B (en) | 2013-09-12 | 2013-09-12 | Be applicable to the clamping device of longitudinal joint laser cutting and welding at the bottom of rocket case |
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| CN103464905B true CN103464905B (en) | 2015-12-02 |
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| US3088613A (en) * | 1960-04-15 | 1963-05-07 | Pandjiris Weldment Company | Positioning mechanism for spherical bodies |
| GB1114320A (en) * | 1965-12-02 | 1968-05-22 | Kloeckner Werke Ag | Improvements in or relating to seam welding spherically curved metal shcets |
| US3522647A (en) * | 1968-02-19 | 1970-08-04 | Lennox Ind Inc | Method of making a spherical container |
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| CN201300294Y (en) * | 2008-11-19 | 2009-09-02 | 成都飞机工业（集团）有限责任公司 | Automatic butt welding fixture for spherical housing device |
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| CN103464905A (en) | 2013-12-25 |
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