CN105127656B - Positioning fixture and store-vessel bottom circular seam welding device - Google Patents
Positioning fixture and store-vessel bottom circular seam welding device Download PDFInfo
- Publication number
- CN105127656B CN105127656B CN201510661698.6A CN201510661698A CN105127656B CN 105127656 B CN105127656 B CN 105127656B CN 201510661698 A CN201510661698 A CN 201510661698A CN 105127656 B CN105127656 B CN 105127656B
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- hold
- frame
- section bar
- cylinder
- annulus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The invention provides a kind of positioning fixture for being used to position the annulus and frame of section bar of store-vessel bottom, including pedestal, it is fixed on the pedestal and positions the mould tire of the annulus and the frame of section bar from inner side, holds down assembly and compress the second of the frame of section bar from first of annulus described in outer side compression and hold down assembly；Described first holds down assembly including the first pressure ring being placed on from outside on the annulus, the first hold-down mechanism acted on first pressure ring；Described second holds down assembly including the second pressure ring being placed on from outside on the frame of section bar, the 3rd hold-down mechanism for acting on the second hold-down mechanism of second pressure ring, the frame of section bar inwardly being compressed from outside；First hold-down mechanism, the second hold-down mechanism and the 3rd hold-down mechanism are fixed on the pedestal and on the outside of the mould tire.The positioning fixture does not influence welding to the good positioning effect of annulus and frame of section bar, and the welding to realize better quality provides guarantee.
Description
Technical field
The present invention relates to Rocket tank Automation of Welding field, more particularly to a kind of annulus and section bar for positioning store-vessel bottom
The positioning fixture of frame and the store-vessel bottom circular seam welding device with the positioning fixture.
Background technology
The rocket body structure of carrier rocket is main to be made up of parts such as propellant tank, riveting bay section, radome fairings.Wherein, push away
Enter agent tank（Abbreviation tank）It is a kind of large scale, thin-wall high-strength Welded structure, is used as the primary load bearing knot of carrier rocket
Structure, is the critical component of structure member maximum in rocket body structure and influence carrier rocket safety and reliability, accounts for rocket total
60%, the 2/3 of whole rocket length of quality.
Tank is formed by store-vessel bottom and cylinder section welding equipment again：Cylinder section is formed by wallboard welding；The store-vessel bottom of rocket is by melon
Valve, top cover, frame of section bar welding are formed；Wherein 6 melon valves after 6 longitudinal seam weldings by forming annulus, the bottom of annulus and section bar
Frame is by girth welding, and the top of annulus and top cover are also by girth welding.
Because store-vessel bottom is revolution ellipsoid, shared longitudinal joint 6, circumferential weld 2, material is 2A14 aluminium alloys, is large-scale
Thin-wall member, compared with ferrous metal, 2A14 aluminum alloy materials thermal stress is big, is easily deformed after welding, so bottom is each
When individual part is welded into a whole, reliable, clamping must be positioned firmly, could weld industry in allowed band,
Therefore welding tooling is difficult.Require that positioning fixture has good rigidity in welding process, the welding edge of weld seam must be reliable
Fixed, misalignment and the substantially phenomenon such as deformation mustn't occur in accurate alignment.However, current large-scale steel structure automatic welding equipment
Main to include vertical seam, transverse joint, angle seam automatic welding operation machine, these equipment can not all directly apply to the welding of tank.
In view of this, it is necessary to which existing positioning fixture and store-vessel bottom circular seam welding device are improved, with solution
Above mentioned problem.
The content of the invention
It is an object of the invention to provide it is a kind of position store-vessel bottom annulus and frame of section bar positioning fixture and with this
The store-vessel bottom circular seam welding device of positioning fixture.
For achieving the above object, store-vessel bottom is positioned when being used for store-vessel bottom girth welding the invention provides one kind
Annulus and frame of section bar positioning fixture, including pedestal annular in shape, be fixed on the pedestal and position the circle from inner side
The mould tire of ring and the frame of section bar, first of annulus described in side compression hold down assembly and on the outside of the frame of section bar outside annulus
Compress the frame of section bar second holds down assembly；The mould tire includes being fixed on to be used to position the frame of section bar on the pedestal
Lower mould tire, the melon petal tire for being used to position the annulus positioned at the lower mould tire top；Described first holds down assembly including from outer
The first pressure ring that side is placed on the annulus, act on first pressure ring to cause first pressure ring that the annulus is tight
It is pressed on the first hold-down mechanism on the mould tire；Described second hold down assembly including be placed on from outside on the frame of section bar second
Pressure ring, act on second pressure ring with so that second pressure ring presses the frame of section bar in second on the mould tire
Hold-down mechanism, the 3rd hold-down mechanism for inwardly compressing from outside the frame of section bar；First hold-down mechanism, the second hold-down mechanism
It is fixed on the 3rd hold-down mechanism on the pedestal and on the outside of the mould tire；Second hold-down mechanism includes being fixed on institute
State the second cylinder block on pedestal, the second cylinder on second cylinder block, be pivotally connected to second cylinder block
On the second pressure arm；Second cylinder rod of second cylinder drives second pressure arm relative to the second cylinder block pivot
Turn, and then cause second pressure arm to compress second pressure ring.
As a further improvement on the present invention, set between the lower mould tire and the melon petal tire in step, and it is described
The top end diameter of lower mould tire is more than the diameter of the melon petal tire bottom.
As a further improvement on the present invention, first pressure ring includes that the first of the ring textures can be fitted tightly over
Clip circle, the first trim ring protruded outward from the first clip circle top, it is used to below first trim ring to support institute upwards
If stating the annular bracing ring of the first trim ring, being arranged at intervals on the first clip circle to support the bracing ring from downside
Heavenly Stems and Earthly Branches bracer.
As a further improvement on the present invention, first hold-down mechanism includes the first cylinder block, is fixed on described first
The first cylinder in cylinder block, the supporting plate being fixed on first cylinder block, positioned at the supporting plate deviate from described first
What contiguous block and the contiguous block on cylinder block one side were pivotally connected close to the first cylinder rod side of first cylinder
First pressure arm, the connecting rod being pivotally connected with the contiguous block towards the projection that protrudes out of side away from the supporting plate, located at institute
Stating is used for the confinement block for controlling the first pressure arm pivoting angle in connecting rod；The connecting rod connects with first cylinder rod
Connect, first cylinder rod can drive the relatively described contiguous block of the connecting rod to pivot；The supporting plate is fixed on the pedestal
On.
As a further improvement on the present invention, first hold-down mechanism includes the first cylinder block, is fixed on described first
The first cylinder in cylinder block, the sliding sleeve being fixed on first cylinder block, the supporting leg being fixed on the sliding sleeve and institute
State supporting leg connected away from described sliding sleeve one end and towards first cylinder the first cylinder rod extend supporting plate, positioned at institute
State contiguous block of the supporting plate on the supporting leg one side, with the contiguous block close to first cylinder rod side pivot
Turn the first pressure arm of connection, the contiguous block is clamped from both sides close to the side of first cylinder rod towards away from the supporting plate
The side projection of triangular shape protruded out and be pivotally connected with the projection L-shape connecting rod, in the connecting rod
Confinement block for controlling the first pressure arm pivoting angle.
As a further improvement on the present invention, second pressure ring includes that the frame of section bar outer surface can be fitted tightly over
Second clip circle, the second trim ring protruded outward from the second clip circle top.
As a further improvement on the present invention, the 3rd hold-down mechanism include action bars, by the action bars driving with
Drive rod closer or far from the frame of section bar, can jacking block of the top pressure on the outside of the frame of section bar on the drive rod.
As a further improvement on the present invention, outside spacers of the pedestal in the mould tire bottom are provided with some fixations
Fixing hole is formed in the middle of seat, the adjacent fixed seat of each two, first hold-down mechanism is located at the fixing hole, and described the
One hold-down mechanism is fixed in the two neighboring fixed seat to form the fixing hole；Second hold-down mechanism and the 3rd compacting machine
Structure is in the fixed seat.
For achieving the above object, present invention also offers a kind of annulus and frame of section bar for being used to weld store-vessel bottom
Store-vessel bottom circular seam welding device, including position positioning fixture, the welding annulus and the institute of the annulus and the frame of section bar
State welder, the motor of the driving positioning fixture rotation of the circumferential weld of frame of section bar.
The beneficial effects of the invention are as follows：The positioning fixture of the present invention holds down assembly by first respectively to hold down assembly with second
Cooperation with mould tire positions annulus and frame of section bar, good positioning effect.Described first the first hold-down mechanism held down assembly is acted on
To cause first pressure ring to press the annulus on the mould tire on first pressure ring；The area that exerts a force is big, and force
Uniformly, the Deformed ring can be prevented while the annulus is positioned well.Described second holds down assembly by the second pressure
Tight mechanism and the 3rd hold-down mechanism exert a force the positioning frame of section bar from different directions, good positioning effect, are unlikely to deform and not shadow
Welding is rung, the welding to realize better quality provides guarantee.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the positioning fixture of the present invention.
Fig. 2 is that Fig. 1 removings first hold down assembly and the second structural representation held down assembly.
Fig. 3 is the structural representation of the first pressure ring of the present invention.
Fig. 4 is Fig. 3 in the schematic diagram of another angle.
Fig. 5 is sectional views of the Fig. 4 along B-B directions.
Fig. 6 is the structural representation of the second pressure ring of the present invention.
Fig. 7 is sectional views of the Fig. 6 along A-A directions.
Fig. 8 is the partial enlarged drawing of encircled portion in Fig. 7.
Fig. 9 is the partial enlarged drawing of encircled portion in Fig. 1.
Figure 10 is the structural representation of the first the first hold-down mechanism.
Figure 11 is the structural representation of second of first hold-down mechanisms.
Figure 12 is the structural representation of the second hold-down mechanism and the 3rd hold-down mechanism.
Embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with the accompanying drawings with specific embodiment pair
The present invention is described in detail.
Refer to shown in Fig. 1 ~ Figure 12, in order to preferably weld the annulus（It is not shown）And frame of section bar（It is not shown）, this
Invention provides a kind of store-vessel bottom circular seam welding device, including position the annulus and the frame of section bar positioning fixture 100,
The motor for driving the positioning fixture 100 to rotate（It is not shown）, weld the annulus and the frame of section bar circumferential weld welding dress
Put（It is not shown）.In use, annulus and frame of section bar are fixed on the positioning fixture 100, positioning fixture 100 is according to predetermined weldering
The mark that integrates with is rotated, and welder carries out girth welding from outside.
Refer to shown in Fig. 1, Fig. 2 and Fig. 9, the positioning fixture 100 includes pedestal 10 substantially annular in shape, positioned at described
Centre mount 20 in the middle of in the ring of the formation of pedestal 10, it is fixed on the pedestal 10 and positions the annulus and the type from inner side
The annular mould tire 30 of material frame, extend from the centre mount 20 to external radiation and connect the centre mount 20 and the mould tire to support
30 some brace rods 40, outside annulus first of annulus described in side compression hold down assembly 50 and from side pressure outside the frame of section bar
The second of the tight frame of section bar holds down assembly 60.
The annulus of welding is first enclosed on the top of mould tire 30 when using, then frame of section bar to be welded is enclosed on mould
The bottom of tire 30；After the annulus is alignd with the frame of section bar, hold down assembly 50 and second hold down assembly by first respectively
60 compress the annulus and frame of section bar, are easy to accurate welding.
Refer to shown in Fig. 2, the mould tire 30 includes being fixed on to be used to position under the frame of section bar on the pedestal 10
Mould tire 31, the melon petal tire 32 for being used to position the annulus positioned at the lower top of mould tire 31.The lower mould tire 31 be diameter from
Under the vertebra shape up gradually successively decreased, be engaged with the shape on the inside of the frame of section bar；And the bottom interval of the lower mould tire 31 is set
It is equipped with the supporting table 311 protruded out laterally for supporting the frame of section bar.The melon petal tire 32 is diametrically from the bottom up gradually
The vertebra shape successively decreased, is engaged with the shape on the inside of the annulus.It is in step between the lower mould tire 31 and the melon petal tire 32
Set, and diameter of the top end diameter more than the bottom of melon petal tire 32 of the lower mould tire 31.
Refer to shown in Fig. 1, Fig. 3 ~ Fig. 5, Fig. 9 ~ Figure 11, described first holds down assembly 50 including being placed on the circle from outside
The first pressure ring 51 on ring, act on first pressure ring 51 with so that first pressure ring 51 presses the annulus in institute
State the first hold-down mechanism 52 on melon petal tire 32.
Refer to shown in Fig. 1, Fig. 3 ~ Fig. 5, first pressure ring 51 matches with the annulus including shape and can be close
It is fitted in the first clip circle 511, the first trim ring 512 protruded outward from the top of the first clip circle 511, position of the ring textures
In the lower section of the first trim ring 512 for supporting the annular bracing ring 513 of first trim ring 512 upwards, being arranged at intervals at
To support some support blocks 514 of the bracing ring 513 from downside on the first clip circle 511.In first pressure ring 51
When being enclosed on the annulus, the upper surface of first trim ring 512 is located in same level, first hold-down mechanism 52 from
On force in first trim ring 512 downwards so that the first clip circle 511 is tightly fitted on the annulus, thus will
The annulus is pressed on the mould tire 30.
One first opening 515 is offered on first pressure ring 51, is easy to first pressure ring 51 being sheathed on described
On annulus.After first pressure ring 51 is enclosed on the outside of the annulus, first opening 515 is fixed by fixtures such as screws, is made
One complete ring clip of the formation of the first pressure ring 51 is obtained on the annulus.When certainly, without the first opening 515, the first pressure
Ring 51 still can reach identical effect.
Refer to shown in Fig. 9 ~ Figure 11, first hold-down mechanism 52 is fixed on the pedestal 10.Specifically, the base
Outside spacers of the seat 10 in the lower bottom of mould tire 31 are provided with the middle of some fixed seats 11, the adjacent fixed seat 11 of each two and formed
Fixing hole 12, first hold-down mechanism 52 is located at the fixing hole 12, and first hold-down mechanism 52 is fixed on to be formed
In the two neighboring fixed seat 11 of the fixing hole 12.
First hold-down mechanism 52 includes the first cylinder block 521, the first gas being fixed in first cylinder block 521
Cylinder 522, it is fixed on the sliding sleeve 523 on first cylinder block 521, the supporting leg 524 being fixed on the sliding sleeve 523 and institute
State supporting leg 524 connected away from described one end of sliding sleeve 523 and towards first cylinder 522 the first cylinder rod 5221 extend
Supporting plate 525, contiguous block 526 and the contiguous block positioned at the supporting plate 525 on the one side of supporting leg 524
526 the first pressure arms 527 being pivotally connected close to the side of first cylinder rod 5221, clamp located at the contiguous block from both sides
The projection of 526 triangular shapes protruded out close to the side of first cylinder rod 5221 and towards the side away from the supporting plate 525
5261 and be pivotally connected with the projection 5261 L-shape connecting rod 528, in the connecting rod 528 be used for control institute
State the confinement block 529 of the pivoting angle of the first pressure arm 527.
The supporting plate 525 is provided with close to the side of first cylinder rod 5221 and passed through for first cylinder rod 5221
U-shaped opening, the U-shaped opening is corresponding with the fixing hole 12, and the both sides for forming the U-shaped opening of the supporting plate 525 are fixed
In in the two neighboring fixed seat 11.First hold-down mechanism 52 is fixed on the pedestal 10 by the supporting plate 525
On, first cylinder 522 extends internally obliquely from the pedestal 10.
The long side of the connecting rod 528 of L shapes is made up of two connecting rod walls for being divided into the both sides of projection 5261, and two
Formed and passed through for first pressure arm 527 and for the hollow bulb of the activity of the first pressure arm 527, two companies in the middle of individual connecting rod wall
The one end of extension bar wall away from the short side is pivotally connected by pivot with the projection 5261, and the confinement block 529 is located at described
On long side at the position of the short side.The short side of the connecting rod 528 is connected with first cylinder rod 5221, so that institute
Stating the first cylinder rod 5221 can drive the relatively described projection 5261 of the connecting rod 528 to pivot, and then pass through the confinement block 529
First pressure arm 527 is given by pressure transmission；First pressure arm 527 is applied to the pressure of first pressure ring 51 according to first
Cylinder 522 export pressure and change.
In the present embodiment, the one end of first pressure arm 527 away from the projection 5261 is provided with briquetting 5271, in the first gas
When cylinder rod 5221 is protruding, the connecting rod 528 is pivoted relative to the projection 5261 to the side of briquetting 5271, described
Confinement block 529 oppresses first pressure arm 527 so that the briquetting 5271 is pressed on first trim ring 512.First compacting machine
Structure 52 compresses the annulus by the first pressure ring 51, and force area is big, and uniform force application can effectively prevent deformation.
In order to be able to preferably fix the annulus, the positioning fixture 100 is provided with and is uniformly distributed on the pedestal 10
Some first hold-down mechanisms 52, some first pressure arms 527 equably force in first pressure ring 51, first pressure ring
51 are again pressed on the annulus on the melon petal tire 32；Even if wherein some first pressure arm 527 is lifted out described
One pressure ring 51, the pressure of two adjacent the first pressure arms 527 is also enough to ensure that the pressure of the pressure ring of the corresponding position of the first pressure arm 527
Power, the annulus will not be misplaced, and welding is not influenceed.In the present embodiment, the pedestal 10 is provided with 24 fixed seats
11st, 24 fixing holes 12, the positioning fixture 100 can be efficiently located provided with 24 the first hold-down mechanisms 52
The annulus.
According to predetermined welding track, the first pressure arm 527 of first hold-down mechanism 52 at place to be welded is lifted out described
First pressure ring 51, concedes space and carries out girth welding to welder；After this section of girth welding is finished, first pressure arm 527 is put
It is lower to compress first pressure ring 51, lifted along the first pressure arm 527 of next first hold-down mechanism 52 of welding track, with this
Analogize, complete the welding of whole circumferential weld.
In addition, the first hold-down mechanism 52 of the positioning fixture 100 includes two kinds：The first is as shown in Figure 10, the branch
Fagging 525 is substantially rectangle；Second as shown in figure 11, and the supporting plate 525 is widened close to the side of the supporting leg 524
So that the whole supporting plate 525 is T-shaped, solder skip groove mechanism is easily installed（It is not shown）；The first He of the first hold-down mechanism 52
Second of first hold-down mechanism 52 intervals are fixed on the pedestal 10.
Refer to shown in Fig. 1, Fig. 6 ~ Fig. 9, Figure 12, described second holds down assembly 60 including being placed on the frame of section bar from outside
On the second pressure ring 61, act on second pressure ring 61 with so that second pressure ring 61 presses the frame of section bar in institute
State the second hold-down mechanism 62 on lower mould tire 31, the 3rd hold-down mechanism 63 of the frame of section bar is inwardly compressed from outside.Described
Two hold down assembly 60 is exerted a force the positioning frame of section bar from different directions by the second hold-down mechanism 62 and the 3rd hold-down mechanism 63,
Good positioning effect, it is unlikely to deform and does not influence welding, the welding to realize better quality provides guarantee.
Refer to shown in Fig. 1, Fig. 6 ~ Fig. 9, second pressure ring 61 matches with the frame of section bar including shape and can be tight
Close the second clip circle 611 for being fitted in the frame of section bar outer surface, the second trim ring protruded outward from the top of the second clip circle 611
612.When second pressure ring 61 is enclosed on the frame of section bar, the upper surface of second trim ring 612 is located at same level
On, second hold-down mechanism 62 forces in second trim ring 612 from the top down so that the second clip circle 611 is tightly
It is fitted on the frame of section bar.
One second opening 613 is offered on second pressure ring 61, is easy to second pressure ring 61 being sheathed on described
On frame of section bar.After two pressure ring 61 is enclosed on the outside of the frame of section bar, second opening 613 is fixed by fixtures such as screws,
So that one complete ring clip of the formation of the second pressure ring 61 is on the frame of section bar.When certainly, without the second opening 613, the
Two pressure rings 61 still can reach identical effect；In Fig. 6 ~ Fig. 8, second opening 613 not shown of the second pressure ring 61.
Refer to shown in Fig. 9, the hold-down mechanism 63 of the second hold-down mechanism 62 and the 3rd is both secured on the pedestal 10.
Specifically, the hold-down mechanism 63 of the second hold-down mechanism 62 and the 3rd is both secured in the fixed seat 11.
Refer to shown in Figure 12, second hold-down mechanism 62 includes being fixed on the second gas L-shape on the pedestal 10
Cylinder seat 621, on second cylinder block 621 parallel to the fixed seat 11 one side the second cylinder 622, with described the
The second pressure arm 623 being pivotally connected on two cylinder blocks 621 perpendicular to one side of the pedestal 10.The of second cylinder 622
Two cylinder rods 6221 protrude upward driving second pressure arm 623 and pivoted relative to second cylinder block 621, and then cause institute
State the second pressure arm 623 and compress second pressure ring 61, the second pressure ring 61 presses the frame of section bar on the lower mould tire 31；Institute
State the second pressure arm 623 and be applied to the pressure of second pressure ring 61 and changed according to the pressure that the second cylinder 622 is exported.
In order to be able to preferably fix the frame of section bar, the positioning fixture 100 is provided with and is uniformly distributed on the pedestal 10
Some second hold-down mechanisms 62, some second pressure arms 623 equably force in second pressure ring 61, second pressure
The frame of section bar is pressed on the lower mould tire 31 by ring 61 again；The uniform force and frame of section bar will not misplace.This reality
Apply in example, the positioning fixture 100 is located at adjacent two provided with 12 the second hold-down mechanisms 62, each second hold-down mechanism 62
Between individual first hold-down mechanism 52, there are two the first hold-down mechanisms 52 in the middle of every two neighboring second hold-down mechanism 62.Namely
Say, every being fixed with second hold-down mechanism 62 in institute's fixed seat 11.
3rd hold-down mechanism 63 includes action bars 631, driven by the action bars 631 with closer or far from the frame of section bar
Drive rod 632, can jacking block 633 of the top pressure on the outside of the frame of section bar on the drive rod 632.It is lifted up the behaviour
Make bar 631, the drive rod 632 is moved towards the frame of section bar, and the jacking block 633, which inwardly compresses the frame of section bar, determines it
Position.In the present embodiment, the positioning fixture 100 is provided with 12 the 3rd hold-down mechanisms 63, the 3rd hold-down mechanism 63 and institute
The second hold-down mechanism 62 is stated to be disposed adjacent, and the 3rd hold-down mechanism 63 and second hold-down mechanism 62 are jointly located at same
In the individual fixed seat 11.
In summary, the present invention is used for positioning of the positioning fixture 100 of store-vessel bottom girth welding to annulus and frame of section bar
Effect is good, and does not influence welding, and the welding to realize better quality provides guarantee.
The above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to preferred embodiment to this hair
It is bright to be described in detail, it will be understood by those within the art that, technical scheme can be modified
Or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention.
It is any related " the present embodiment " in this specification, it is meant that the specific function of one relevant with embodiment, knot
Structure or characteristic description include at least one embodiment of the present invention.These appear in specification each local phrase not necessarily
Refer to identical embodiment.Further, specific function, structure or the detailed description related to any embodiment, then it is assumed that be
The function related to other embodiment, structure or characteristic in the range of the art.
Claims (9)
1. a kind of positioning fixture, positions the annulus and frame of section bar of store-vessel bottom, the positioning during for store-vessel bottom girth welding
Fixture include pedestal annular in shape, be fixed on the pedestal and from inner side position the annulus and the frame of section bar mould tire,
First of annulus described in side compression holds down assembly and from second of frame of section bar described in side compression outside the frame of section bar outside annulus
Hold down assembly；It is characterized in that：The mould tire includes being fixed on lower mould tire, the position for being used to position the frame of section bar on the pedestal
It is used for the melon petal tire for positioning the annulus above the lower mould tire；Described first hold down assembly it is described including being placed on from outside
The first pressure ring on annulus, act on first pressure ring with so that first pressure ring presses the annulus in the mould
The first hold-down mechanism on tire；Described second hold down assembly including be placed on from outside on the frame of section bar the second pressure ring, effect
In on second pressure ring with cause second pressure ring frame of section bar is pressed in the second hold-down mechanism on the mould tire,
The 3rd hold-down mechanism of the frame of section bar is inwardly compressed from outside；First hold-down mechanism, the second hold-down mechanism and the 3rd pressure
Tight mechanism is fixed on the pedestal and on the outside of the mould tire；Second hold-down mechanism includes being fixed on the pedestal
The second cylinder block, the second cylinder on second cylinder block, be pivotally connected on second cylinder block second
Pressure arm；Second cylinder rod of second cylinder drives second pressure arm to be pivoted relative to second cylinder block, and then makes
Obtain second pressure arm and compress second pressure ring.
2. positioning fixture according to claim 1, it is characterised in that：It is in platform between the lower mould tire and the melon petal tire
Rank is set, and diameter of the top end diameter more than the melon petal tire bottom of the lower mould tire.
3. positioning fixture according to claim 1, it is characterised in that：First pressure ring is described including that can be fitted tightly over
First clip circle of ring textures, the first trim ring protruded outward from the first clip circle top, below first trim ring
For supporting the annular bracing ring of first trim ring upwards, being arranged at intervals on the first clip circle to be supported from downside
Some support blocks of the bracing ring.
4. positioning fixture according to claim 1, it is characterised in that：First hold-down mechanism include the first cylinder block,
It is fixed on the first cylinder in first cylinder block, the supporting plate being fixed on first cylinder block, positioned at the support
Backboard from the contiguous block on the first cylinder block one side, with the contiguous block close to first cylinder the first cylinder rod
What the projection that the first pressure arm and the contiguous block that side is pivotally connected are protruded out towards the side away from the supporting plate was pivotally connected
Connecting rod, it is used in the connecting rod to control the confinement block of the first pressure arm pivoting angle；The connecting rod with it is described
First cylinder rod is connected, and first cylinder rod can drive the relatively described contiguous block of the connecting rod to pivot；The supporting plate is consolidated
Due on the pedestal.
5. positioning fixture according to claim 1, it is characterised in that：First hold-down mechanism include the first cylinder block,
It is fixed on the first cylinder in first cylinder block, the sliding sleeve being fixed on first cylinder block, is fixed on the sliding sleeve
On supporting leg, be connected with the supporting leg and extend towards the first cylinder rod of first cylinder away from described sliding sleeve one end
Supporting plate, positioned at contiguous block of the supporting plate on the supporting leg one side, with the contiguous block close to described the
The first pressure arm that the side of one cylinder rod is pivotally connected, from both sides the contiguous block is clamped close to the side of first cylinder rod
The projection of triangular shape protruded out towards the side away from the supporting plate and be pivotally connected with the projection L-shape connecting rod,
It is used for the confinement block for controlling the first pressure arm pivoting angle in the connecting rod.
6. positioning fixture according to claim 1, it is characterised in that：Second pressure ring is described including that can be fitted tightly over
Second clip circle of frame of section bar outer surface, the second trim ring protruded outward from the second clip circle top.
7. positioning fixture according to claim 1, it is characterised in that：3rd hold-down mechanism includes action bars, by institute
State action bars driving with the drive rod closer or far from the frame of section bar, on the drive rod can top pressure in the frame of section bar
The jacking block in outside.
8. positioning fixture according to claim 1, it is characterised in that：Outside spacers of the pedestal in the mould tire bottom
Provided with some fixed seats, fixing hole is formed in the middle of the adjacent fixed seat of each two, first hold-down mechanism is located at the fixation
At hole, and first hold-down mechanism is fixed in the two neighboring fixed seat to form the fixing hole；Second compacting machine
Structure and the 3rd hold-down mechanism are in the fixed seat.
9. a kind of store-vessel bottom circular seam welding device, annulus and frame of section bar for welding store-vessel bottom, the store-vessel bottom ring
Seam welding equipment includes positioning the ring of positioning fixture, the welding annulus and the frame of section bar of the annulus and the frame of section bar
The motor that welder, the driving positioning fixture of seam are rotated, it is characterised in that：The positioning fixture is claim 1 ~ 8
Positioning fixture described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510661698.6A CN105127656B (en) | 2015-10-14 | 2015-10-14 | Positioning fixture and store-vessel bottom circular seam welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510661698.6A CN105127656B (en) | 2015-10-14 | 2015-10-14 | Positioning fixture and store-vessel bottom circular seam welding device |
Publications (2)
| Publication Number | Publication Date |
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| CN105127656B true CN105127656B (en) | 2017-08-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105479184B (en) * | 2015-12-30 | 2017-10-13 | 天津航天长征火箭制造有限公司 | The milling of ellipsoid store-vessel bottom flange hole, ring flange welding assembly |
| CN116475634B (en) * | 2023-04-27 | 2023-11-21 | 佛山市明焱科技有限公司 | Automatic ring welding equipment and ring preparation method |
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| WO2012171977A2 (en) * | 2011-06-13 | 2012-12-20 | Mt Aerospace Ag | Device for mounting and aligning segmented, thin-walled and hollow-profiled components |
| CN103464905A (en) * | 2013-09-12 | 2013-12-25 | 上海航天精密机械研究所 | Clamping device adoptable for cutting and welding rocket tank bottom longitudinal seam through laser |
| CN104959757A (en) * | 2015-07-02 | 2015-10-07 | 中国航天科技集团公司长征机械厂 | Tank bottom splice welding clamps and splice welding method |
| CN205237418U (en) * | 2015-10-14 | 2016-05-18 | 江苏北人机器人系统股份有限公司 | Positioning fixture and conduit head bottom of case circumferential weld welding equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN200945554Y (en) * | 2006-09-19 | 2007-09-12 | 上海航天设备制造总厂 | Tank welding turning combination fixture |
| CN201776592U (en) * | 2010-08-24 | 2011-03-30 | 上海航天精密机械研究所 | Annular seam welding device at the bottom of storage box of carrier rocket |
| JP5693353B2 (en) * | 2011-04-27 | 2015-04-01 | 三菱電機株式会社 | Can body manufacturing apparatus and can body manufacturing method using the manufacturing apparatus |
| CN104625537B (en) * | 2015-02-06 | 2016-06-22 | 中国运载火箭技术研究院 | The weak rigidity store-vessel bottom girth welding equipment of a kind of 5M level |
| CN104772626B (en) * | 2015-04-24 | 2017-03-22 | 艾美特焊接自动化技术(北京)有限公司 | Milling and welding integrated device for upper and lower circular seams in bottom of storage box |
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| WO2012171977A2 (en) * | 2011-06-13 | 2012-12-20 | Mt Aerospace Ag | Device for mounting and aligning segmented, thin-walled and hollow-profiled components |
| CN103464905A (en) * | 2013-09-12 | 2013-12-25 | 上海航天精密机械研究所 | Clamping device adoptable for cutting and welding rocket tank bottom longitudinal seam through laser |
| CN104959757A (en) * | 2015-07-02 | 2015-10-07 | 中国航天科技集团公司长征机械厂 | Tank bottom splice welding clamps and splice welding method |
| CN205237418U (en) * | 2015-10-14 | 2016-05-18 | 江苏北人机器人系统股份有限公司 | Positioning fixture and conduit head bottom of case circumferential weld welding equipment |
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