CN105081643B - The middle frame blank production labor dress of withdrawal straightening machine and method - Google Patents
The middle frame blank production labor dress of withdrawal straightening machine and method Download PDFInfo
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- CN105081643B CN105081643B CN201510519171.XA CN201510519171A CN105081643B CN 105081643 B CN105081643 B CN 105081643B CN 201510519171 A CN201510519171 A CN 201510519171A CN 105081643 B CN105081643 B CN 105081643B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 134
- 239000010959 steel Substances 0.000 claims abstract description 134
- 238000003466 welding Methods 0.000 claims description 72
- 230000008569 process Effects 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000000137 annealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Classifications
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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
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Abstract
The present invention provides a kind of middle frame blank production labor dress and the method for withdrawal straightening machine, and in frock, top frame is fixed on base by the first support, and three surround accommodate middle frame blank to dress space；Base is provided with hole, four first location；Top frame is provided with at least three second and positions hole；First hole, location and the second hole, location are respectively provided with arc section；The bottom one_to_one corresponding of four first location Kong Yusi root steel pipes；At least three second positions the top one_to_one corresponding in hole and at least three steel pipes；Top and the bottom of steel pipe are separately fixed in the first corresponding hole, location and the second hole, location, so that steel pipe is coaxial with corresponding arc section by mat piece；Arc section on the first hole, location coordinated with top and the bottom of same steel pipe and the second hole, location is coaxially distributed.Base is provided with the supporting zone of supporting bearing base.Such scheme can solve the problem that the centre-to-centre spacing of four steel pipe depth of parallelisms and adjacent two steel pipes existed after middle frame blank welds changes greatly.
Description
Technical field
The present invention relates to withdrawal straightening machine manufacturing technology field, particularly relate to the middle frame blank production labor dress of a kind of withdrawal straightening machine
And method.
Background technology
Withdrawal straightening machine is one of key equipment in large-scale bar continuous casting line, primarily serves dragging dummy bar throwing and steel billet
Straightening function.Refer to the structural representation that Fig. 1, Fig. 1 are a kind of typical withdrawal straightening machines.Withdrawal straightening machine bag shown in Fig. 1
Include upper frame 11, middle frame 12, lower frame 13, water flowing post 14, free roll 15, live-roller 16, drier oil profit
Sliding system 17, water-cooling system 18, hydraulic system 19 and motor reducer 110.Wherein, upper frame 11, middle part frame
Frame 12 and lower frame 13 are connected by four water flowing posts 14 thus form the main body frame of whole withdrawal straightening machine.Withdrawal straightening machine
Other parts are then arranged on main body frame.During work, middle frame 12 exists with water flowing post 14 for guide
Slide between upper frame 11 and lower frame 13, thus be applicable to the production of products of different specifications.
Refer to the middle frame structural representation that Fig. 2 and Fig. 3, Fig. 2 are withdrawal straightening machines shown in Fig. 1, Fig. 3 is Fig. 2
Sectional view.Middle frame 12 by four steel pipes 121, two pieces bearing block 123, water cavity (by the first steel plateelement 126 and
Two steel plateelements 127 are formed), six junction steel plate (122, two Relative distribution of the first junction steel plate of two Relative distribution
The second junction steel plate 124 and the 3rd junction steel plate 125 of two Relative distribution) composition.
In the actual course of processing, the upper and lower end face of four steel pipes 121 is required to bore multiple M8 silk hole, silk pitch-row from
Distance between the inside and outside wall of steel pipe 121 is equal, and requires that whole middle frame 12 can be put down along the four of withdrawal straightening machine piece
Row water flowing post 14 slides at vertical direction, accordingly, it would be desirable to ensure four steel pipe 121 endoporus have the higher depth of parallelism and
Have between four steel pipes 121 setting centre-to-centre spacing size (1270 ± 0.05mm as shown in Figure 2 and 680 ±
0.05mm)。
During manufacturing, needing first middle frame 12 to be made blank, i.e. middle frame blank, passes through the most again
The a series of subsequent technique such as heat treatment processes the finished product that could form middle frame 12.In order to reach to design requirement, middle part
Need to ensure the parallelism error≤1mm of four steel pipes 121, two adjacent steel pipes 121 after frame blank annealing
Centre-to-centre spacing dimensional tolerance≤1mm.
Generally, middle frame blank is welded by each building block, and water cavity, six junction steel plates, two pieces axles
Bearing is all welded near the top of four steel pipes 121.Concentrate owing to welding can produce stress, therefore four steel pipes 121
Top constraint on power relatively strong, after welding, the deformation of middle frame blank top is little.And the bottom of four steel pipes 121 is subject to
Restraining forces is more weak, and then makes the deformation of middle frame blank bottom bigger.Above-mentioned middle frame blank welds the change caused
Shape can make the centre-to-centre spacing between the depth of parallelism and adjacent two steel pipes 121 of four steel pipes 121 produce bigger change,
And then make the middle frame blank after annealing be difficult to meet above-mentioned design requirement.
Summary of the invention
Embodiments provide middle frame blank production labor dress and the method for a kind of withdrawal straightening machine, to solve background skill
Center between the depth of parallelism and adjacent two steel pipes of four steel pipes existed after the middle frame blank welding described in art
Away from the problem changed greatly.
In order to solve above-mentioned technical problem, the embodiment of the invention discloses following technical scheme:
The middle frame blank production labor dress of withdrawal straightening machine, including base, top frame, the first support and multiple mat piece；
Wherein: described top frame is supported and fixed on described base by described first；Described top frame, described base and
Described first support surround for accommodate middle frame blank to dress space；Four first location it are provided with on described base
Hole；It is provided with at least three second on the frame of described top and positions hole；Described first hole, location and described second location Kong Jun
There is arc section；
Four described first holes, location are for the bottom one_to_one corresponding with four steel pipes of middle frame blank；At least three institute
State the second hole, location for the top one_to_one corresponding with at least three described steel pipes on described middle frame blank；Described pad
Part for being separately fixed at corresponding described first hole, location and described second hole, location by the top of described steel pipe and bottom
In, so that described steel pipe is coaxial with the described arc section on described first hole, location and the second hole, location；With same institute
The arc section stated on the top of steel pipe and described first hole, location of bottom cooperation and the second hole, location is coaxially distributed；
A-a=a '；
B-b=b '；
A is on the length direction of described frock, the default length between the arc section in two adjacent described first holes, location
Degree centre-to-centre spacing, a be middle frame blank in the longitudinal direction, the design length centre-to-centre spacing of two adjacent described steel pipes, a '
It it is the welding contracted quantity of middle frame blank length direction；
B is on the width of described frock, the default width between the arc section in two adjacent described first holes, location
Degree centre-to-centre spacing, b be middle frame blank in the direction of the width, the design widthwise central of two adjacent described steel pipes is away from, b '
It it is middle frame blank width welding contracted quantity；
The supporting zone of bearing block for supporting described middle frame blank it is provided with on described base.
Preferably, in above-mentioned frock, described frock also includes that two pieces second supports, and every described second support is connected to institute
State between two described steel pipes that middle frame blank length direction is adjacent.
Preferably, in above-mentioned frock, described first hole, location and described second hole, location are hole, open location, described
Open location is provided with gap on hole.
Preferably, in above-mentioned frock, described top frame is half-frame structure, is provided with three described second holes, location.
Preferably, in above-mentioned frock, also include being arranged on the described first reinforcement supported.
The middle frame blank production method of withdrawal straightening machine, comprises the following steps:
51) by each building block of middle frame blank to be contained in frock described in as above any one in dress space；
52) each building block is implemented welding.
Preferably, in said method, step 51) and step 52) between also include:
Each building block groove face to being formed after dress is implemented surface cleaning process.
Preferably, in said method, step 52) comprise the following steps:
71) four steel pipes and two the first junction steel plates and the weld joint on inner side of two the second junction steel plates it are symmetrically welded；
72) the first side of the two-sided double V-groove of two the 3rd junction steel plates and the first steel plateelement joint is first welded, should
Side is welded to the half of the degree of depth；Then by full for the second side weldering of described two-sided double V-groove；Last again by described two-sided V-type slope
First side weldering of mouth is full；
73) weld joint on inner side of four described steel pipes and bearing block it is symmetrically welded；
74) it is symmetrically welded the plug welding hole between described first steel plateelement and the second steel plateelement；
75) be symmetrically welded two described first junction steel plates, two described bearing blocks, two described second junction steel plates,
Two described 3rd junction steel plates and the outer side weld of four described steel pipes.
Preferably, in said method, in above-mentioned steps, the mode the most successively welded all is resolved in the described welding of everywhere
Carry out, wherein, welding current when welding current during bottom welding welds less than outer layer.
Preferably, in said method, in above-mentioned steps, the welding of everywhere all uses 45 ° of ship type welderings.
The frock that the present invention provides has the advantages that
By each building block of middle frame blank to install to frock in dress space, then real to each building block
Welding connects, and ultimately forms middle frame blank.Owing to the first hole, location and second in frock positions arc section and the phase in hole
Corresponding steel pipe coaxial cooperation, and under the effect of mat piece with corresponding steel pipe secure fit, each group the most above-mentioned
Becoming parts during being welded into middle frame blank, whole frock can limit the deformation of four steel pipes, the most right
Preferable restriction effect is played in the bottom deformation of four steel pipes that deformation extent is bigger.Therefore, the middle part frame that the present invention provides
Frame blank production labor fills, it is possible to the depth of parallelism of four steel pipes existed after solving middle frame welding and adjacent two steel
The problem that between pipe, centre-to-centre spacing changes greatly.
By checking, after the middle frame blank that produced of frock that uses the embodiment of the present invention to provide is annealed, each
Size can meet design requirement, the parallelism error≤1mm of four steel pipes, the adjacent centre-to-centre spacing between two steel pipes
Dimensional tolerance≤1mm, the most substantially can stop because of after annealing the workpiece that caused of deformation do over again, reclamation work, and then can carry
The production efficiency of high middle frame, it is ensured that the product quality of middle frame finished product.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention or background technology, below will be to embodiment or background
In technology description, the required accompanying drawing used is briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of typical withdrawal straightening machine；
Fig. 2 is the middle frame structural representation of withdrawal straightening machine shown in Fig. 1；
Fig. 3 is the sectional view of Fig. 2；
Fig. 4 is the structural representation of the middle frame blank production labor dress of the withdrawal straightening machine that the embodiment of the present invention provides；
Fig. 5 is the operating diagram of frock shown in Fig. 4.
Description of reference numerals:
11 upper frames, 12 middle frame, 13 lower frame, 14 water flowing posts, 15 free rolls, 16 biographies
Action roller, 17 grease lubricating systems, 18 water-cooling systems, 19 hydraulic systems, 110 motor reducers, 121 steel
Pipe, 122 first junction steel plates, 123 bearing blocks, 124 second junction steel plates, 125 the 3rd junction steel plates, 126
First steel plateelement, 127 second steel plateelements；
21 bases, 211 supporting zones, 212 first location holes, 22 top frames, 221 second location holes,
23 first supports, 24 reinforcements, 25 second supports.
Detailed description of the invention
Middle frame blank production labor dress and method, the frock provided of a kind of withdrawal straightening machine are be provided
And production method can solve the problem that described in background technology middle frame blank welding after exist four steel pipes the depth of parallelism and
The problem that between two adjacent steel pipes, centre-to-centre spacing changes greatly.
For the technical scheme making those skilled in the art be more fully understood that in the present invention, implement below in conjunction with the present invention
Accompanying drawing in example, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described reality
Execute a part of embodiment rather than whole embodiments that example is only the present invention.Based on the embodiment in the present invention, this
The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, all should belong to
The scope of protection of the invention.
Refer to the middle frame blank production labor dress of the withdrawal straightening machine that Fig. 4, Fig. 4 show that the embodiment of the present invention provides
Structure.The frock provided includes base 21, top frame the 22, first support 23 and multiple mat piece.
Wherein, base 21 is positioned at the bottom of whole frock, is the installation foundation of whole other building blocks of frock.Base
21 can be plate-like piece or frame unit.Please also refer to Fig. 2 and Fig. 3, base 21 arranges two supporting zones 211,
Supporting zone 211 is for being supported on bearing block 123 bottom surface of middle frame blank.Bearing block 123 when middle part frame blank
After dress, fit with supporting zone 211 in the bottom surface of bearing block 123, to ensure that bearing block 123 assembling puts in place.It is assembled into
The bottom surface of the bearing block 123 of position is vertical with the axis of four steel pipes 121.
Top frame 22 is positioned at the top of whole frock, and top frame 22 can be half-frame structure (as shown in Figure 4),
It can also be full mount structure.First supports 23 is arranged between top frame 22 and base 21.It is to say, top sides
Frame 22 is fixed on base 21 by the first support 23.
The middle frame blank production labor dress that the embodiment of the present invention provides is a kind of to dress frock, top frame 22, base
21 and first support 23 surround for accommodate middle frame each building block of blank to dress space.In the process produced
In, each building block docking of middle frame blank is formed in dress space, to treat follow-up welding.Need explanation
Be, each building block of middle frame blank herein as described in the background art, including four steel pipes 121, two
127, two the first junction steel plates of part bearing block the 123, first steel plateelement the 126, second steel plateelement 122, two second are even
Connect steel plate 124 and two the 3rd junction steel plates 125, as shown in Figures 2 and 3.
Whole frock can also include the reinforcement 24 being arranged in the first support 23, and reinforcement 24 can strengthen whole work
The intensity of dress, and then reduce the deformation of whole frock as much as possible.
The frock that the embodiment of the present invention is provided is overall in rectangular structure, has length direction and width.Base 21
On be provided with hole 212, four first location, top frame 22 is provided with at least three second and positions hole 221, first is fixed
Hole, position 212 and the second hole 221, location are respectively provided with arc section.When top frame 22 is half-frame structure, it is provided with three
Individual second hole 221, location, as shown in Figure 4.
For the ease of understanding the frock described in the present embodiment, referring again to Fig. 2 and 3, hole 212, four first location
For the bottom one_to_one corresponding with four steel pipes 121 of middle frame blank, at least three second position hole 221 for
The top one_to_one corresponding of at least three steel pipes 121 on middle frame blank.Top and bottom with same steel pipe 121
Arc section on the first hole, location 212 being respectively cooperating with and the second hole 221, location is coaxially distributed.In order to better ensure that with
Between arc section on first hole 212, location of same steel pipe 121 cooperation and the arc section on the second hole 221, location
Alignment, generally, the first hole 212, location on base 21 and the second hole 221, location on top frame 22 can be
Processing is disposably completed on boring machine.
Multiple mat piece (not shown)s play the effect fixing four steel pipes 121, multiple mat pieces be separately employed in each
At one hole, location 212 and each hole 221, the second location.Top and the bottom of every steel pipe 121 are separately fixed at by mat piece
In corresponding first hole, location 212 and the second hole 221, location, so that steel pipe 121 positions hole 212 and the with first
Arc section on two hole 221, location is coaxially fitted.The most then ensure that four steel pipes 121 to after installing into relative to
To the location dimension between perpendicularity and the steel pipe 121 of assembling platform.Concrete, mat piece can be wedge.
It is known that middle frame blank is welded after being assembled by each building block.Welding process will certainly be produced
Raw welding is shunk.Meet design requirement to ensure middle frame blank to weld afterwards, present inventor according to
The welding contracted quantity of middle frame blank length direction and width designs frock.It should be noted that it is described below
The length direction of frock consistent with the length direction of middle frame blank, the width of the width of frock and middle frame blank
Direction is the most consistent.
In order to make it easy to understand, some parameters of frock are defined as follows by we.Preset length centre-to-centre spacing is the length in frock
On direction, the distance between the center, arc section place in adjacent hole 212, two first location, represent with A.Design is long
Degree centre-to-centre spacing be middle frame blank in the longitudinal direction, the design length of two adjacent steel pipe 121 centre-to-centre spacing, use a
Represent.Length weld amount of contraction, refers to the welding contracted quantity that in middle frame blank welding process, length direction produces, with a '
Represent.
Preset length centre-to-centre spacing, design length centre-to-centre spacing and length weld amount of contraction have a relation shown in below equation (1):
A-a=a ' (1)
In Fig. 2 and Fig. 4 as a example by institute's dimensioning, design length centre-to-centre spacing a is 1270mm, and preset length centre-to-centre spacing A is 1272nn,
Length weld amount of contraction a ' is 2mm.
Predetermined width centre-to-centre spacing is on the width of frock, the arc section place in adjacent hole 212, two first location
Distance between center, represents with B.Design widthwise central away from be middle frame blank in the direction of the width, adjacent two
The design width of the centre-to-centre spacing of root steel pipe 121, represents with b.Width welding contracted quantity, refers to that middle frame blank welded
The welding contracted quantity that in journey, width produces, represents with b '.
Predetermined width centre-to-centre spacing, design widthwise central have a relation shown in below equation (2) away from width welding contracted quantity:
B-b=b ' (2)
Still, in Fig. 2 and Fig. 4 as a example by institute's dimensioning, design widthwise central is 680mm away from b, and predetermined width centre-to-centre spacing B is
683mm, width welding contracted quantity b ' are then 3mm.
It should be noted that due to the first hole, location 212 and the second location coordinated with the top and bottom of same steel pipe 121
Arc section on hole 221 is coaxially distributed, the most no matter in length direction or width, adjacent hole 212, two first location
Center, arc section place between distance, and position hole 221, location, corresponding two second, hole 212 with the two first
Distance between center, arc section place is equal.
The first hole 212, location and top sides in order to ensure preset length centre-to-centre spacing and predetermined width centre-to-centre spacing, on base 21
On frame 22 second location hole 221 can on boring machine once property complete processing.
The frock that the embodiment of the present invention provides has the advantages that
By each building block of middle frame blank to install to frock in dress space, then real to each building block
Welding connects, and ultimately forms middle frame blank.As described above, the first hole, location 212 and the second hole, location in frock
Arc section on 221 and corresponding steel pipe 121 coaxial cooperation, and under the effect of mat piece with corresponding steel pipe 121
Secure fit.Each building block the most above-mentioned is during being welded into middle frame blank, and whole frock can limit
The deformation of four steel pipes 121, preferably limit is played in the bottom deformation of four particularly bigger to deformation extent steel pipes 121
Make and use.Therefore, the middle frame blank production labor dress that the embodiment of the present invention provides, it is possible to solve middle frame welding
The problem that between the depth of parallelism of four steel pipes 121 of rear existence and adjacent two steel pipes 121, centre-to-centre spacing changes greatly.
By checking, after the middle frame blank that produced of frock that uses the embodiment of the present invention to provide is annealed, each
Size can meet design requirement, the parallelism error≤1mm of four steel pipes 121, between two adjacent steel pipes 121
Dimensional tolerance≤the 1mm of centre-to-centre spacing, the most substantially can stop because of after annealing the workpiece that caused of deformation do over again, reclamation work,
And then the production efficiency of middle frame can be improved, it is ensured that the product quality of middle frame finished product.
Referring again to Fig. 4, the frock that the embodiment of the present invention provides can also include the second support 25.Second supports 25
It is arranged between two steel pipes 121 that middle frame blank length direction is adjacent.Concrete, each at middle frame blank
After individual building block is to installing into, operator is between two steel pipes 121 that middle frame blank length direction is adjacent
Second support 25 is set.Second support 25 can reduce further welds and the deformation of steel pipe 121 after subsequent heat treatment.
Being more highly preferred to, the two ends of the second support 25 are respectively supported at the bottom of two adjacent steel pipes 121 of length direction, to enter
One step limits the deformation of whole middle frame blank bottom.Concrete, the second support 25 can be plate or rod member, such as
Steel plate or steel pole.
Preferably, the first hole, location 212 and the second hole 221, location can be hole, open location, as shown in fig. 4 or 5,
Open location is provided with gap on hole, the installation operation being provided with beneficially mat piece of gap, can also avoid first simultaneously
The stress that hole, location 212 and the second hole 221, location produce during offering is concentrated.It is more highly preferred to, above-mentioned first location
On hole 212 and the second hole 221, location, the position relative with arc section is plane hole wall section, and plane hole wall section is easy to mat piece
Place.
The frock provided based on the embodiment of the present invention, the embodiment of the present invention additionally provides the middle frame blank of a kind of withdrawal straightening machine
Production method.The production method provided comprises the following steps:
S101, by each building block of middle frame blank to be contained in frock described in above any one to dress space
In.
S102, to each building block implement welding.
The beneficial effect of the production method of the middle frame blank that the embodiment of the present invention provides is provided by the embodiment of the present invention
Frock is brought, and therefore refer to the description of above appropriate section, and this does not repeats.
In order to improve welding quality, between step S101 and step S102, can also include that surface cleaning processes operation, i.e.
Each building block groove face to being formed after dress is implemented surface cleaning process, to ensure that groove face does not exist oil
The dirts such as dirt, rusty stain, oxide skin.
It is known that welding is to produce the principal element being deformed during withdrawal straightening machine middle frame.Therefore, Welder
The selection of skill seems particularly necessary.Accordingly, it is preferred that in scheme, step S102 may include that
A, the steel pipe 121 of welding middle frame blank and two the first junction steel plates 122 and two the second junction steel plates 124
Weld joint on inner side.
B, welding two the 3rd junction steel plates 125 and the first steel plateelements 126.
C, four steel pipes 121 of welding and the weld joint on inner side of two bearing blocks 123 and the first steel plateelement 126 and the second steel
Plug welding hole at plate 127.
D, welding 122, two the second junction steel plates 124 of two the first junction steel plates and two the 3rd junction steel plates 125 with
The outer side weld of four steel pipes 121.
Above-mentioned welding sequence is progressively carried out by the Inside To Outside of whole middle frame blank, and this can reduce what welding produced
Stress, and then the deformation of whole middle frame blank after welding can be reduced.
In order to reduce the produced stress of welding further, the welding in above-mentioned steps a, b, c and d can be by two behaviour
Making workman simultaneously and uses the mode being symmetrically welded to carry out.
Preferably, step b can implement welding with following step, specifically include:
First side of the two-sided double V-groove of c1, two the 3rd junction steel plates 125 of welding and the first steel plateelement 126 joint,
And this side is welded to the half of the degree of depth；
C2, by full for the second side weldering of two-sided double V-groove；
C3, by full for the first side weldering of two-sided double V-groove.
For being soldered side and weld the mode of opposite side, above-mentioned preferred version makes the both sides of two-sided double V-groove
Welding is alternately, it is possible to reduce the welding stress of two the 3rd junction steel plate 125 junctions further.Certainly, above-mentioned
C1, c2, c3 and c4 can be carried out by two operators one, one piece of the 3rd junction steel plate 125 of operation simultaneously.Preferably
, two operators can operate in the way of employing is symmetrically welded.
So that appearance of weld is the most attractive in appearance, the welding in each step above-mentioned all can use 45 ° of ship type welderings.
Preferably, in above-mentioned steps the welding of everywhere can by resolve into the most successively weld in the way of carry out.In welding
During, use the mode of multilamellar welding, every layer is the thinnest, to ensure fusion quality.During multilamellar welding, often
One layer will thoroughly scarfing cinder.Being more highly preferred to, in multilayer welding termination process, the bottom (namely prime coat) can use
Less welding current is carried out, and i.e. the welding current of bottom welding is less than the welding current of outer layer welding.Less welding
Electric current can improve speed of welding, is also beneficial to receive arc, prevents crater crack and shrinkage cavity, and this can improve further
Welding quality.
It addition, after whole middle frame blank welding fabrication, use heat treatment to carry out stress annealing.Concrete, permissible
Middle frame blank being heated to 650 ± 20 DEG C, is incubated 3 hours, stove carries out air cooling after being cooled to 300 DEG C.
Operator can check to ensure that welding requirements to the weld seam of welding.Such as, surface, Seam and heat effected zone
Must not there be the defects such as crackle, pore, arc crater and slag inclusion, the undercut degree of depth≤0.5mm, undercut continuous length≤100mm.
Undercut total length in weld seam both sides must not exceed the 10% of this fusion length, and the splashing of weld seam both sides must be removed totally.
In the production method that the embodiment of the present invention provides, use relatively reasonable welding procedure, it is possible to improve middle part further
The workmanship of frame blank, further minimizing is done over again, reclamation work, and then improves the production efficiency of middle frame blank.
It should be noted that in this article, such as the relational terms of " first " and " second " or the like be used merely to by
One entity makes a distinction with another entity, and not necessarily requires or imply and there is any this reality between these entities
The relation on border or order.
The above is only the detailed description of the invention of the present invention, makes to skilled artisans appreciate that or realize the present invention.
Multiple amendment to these embodiments will be apparent to one skilled in the art, and as defined herein one
As principle can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, this
The bright the embodiments shown herein that is not intended to be limited to, and be to fit to and principles disclosed herein and features of novelty
The widest consistent scope.
The above is only the detailed description of the invention of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications are also
Should be regarded as protection scope of the present invention.
Claims (10)
1. withdrawal straightening machine middle frame blank production labor dress, it is characterised in that include base (21), top frame (22),
First supports (23) and multiple mat piece；Wherein: described top frame (22) supports (23) by described first and is fixed on institute
State on base (21)；Described top frame (22), described base (21) and described first support (23) and surround for accommodating
Middle frame blank to dress space；Four first hole, location (212) it are provided with on described base (21)；Described top frame
(22) it is provided with at least three second on and positions hole (221)；Described first hole, location (212) and described second hole, location (221)
It is respectively provided with arc section；
Four described first hole, location (212) are for the bottom one_to_one corresponding with four steel pipes (121) of middle frame blank；
Described at least three, the second hole, location (221) is used for and at least three described steel pipes (121) on described middle frame blank
Top one_to_one corresponding；Described mat piece is for being separately fixed at corresponding described first by top and the bottom of described steel pipe (121)
In hole, location (212) and described second hole, location (221), so that described steel pipe (121) and described first hole, location (212)
Coaxial with the described arc section on the second hole, location (221)；Coordinate with the top of same described steel pipe (121) and bottom
Arc section on described first hole, location (212) and the second hole, location (221) is coaxially distributed；
A-a=a '；
B-b=b '；
A is on the length direction of described frock, presetting between the arc section of two adjacent described first hole, location (212)
Lengthwise centers away from, a be middle frame blank in the longitudinal direction, the design length center of two adjacent described steel pipes (121)
Away from, a ' is the welding contracted quantity of middle frame blank length direction；
B is on the width of described frock, presetting between the arc section of two adjacent described first hole, location (212)
Widthwise central away from, b be middle frame blank in the direction of the width, the design widthwise central of two adjacent described steel pipes (121)
Away from, b ' is middle frame blank width welding contracted quantity；
The supporting zone of bearing block for supporting described middle frame blank it is provided with on described base (21).
Frock the most according to claim 1, it is characterised in that described frock also includes that two pieces second supports (25), often
Second support (25) described in part is connected between two described steel pipes (121) that described middle frame blank length direction is adjacent.
Frock the most according to claim 1, it is characterised in that described first hole, location (212) and described second location
Hole (221) is hole, open location, and described open location is provided with gap on hole.
Frock the most according to claim 1, it is characterised in that described top frame (22) is half-frame structure, and it sets
It is equipped with three described second hole, location (221).
5. according to the frock described in any one in claim 1-4, it is characterised in that also include that being arranged on described first supports
(23) reinforcement (24) on.
6. the middle frame blank production method of withdrawal straightening machine, it is characterised in that comprise the following steps:
51) by each building block of middle frame blank to be contained in as described in any one in claim 1-5 frock to dress
In space；
52) each building block is implemented welding.
Method the most according to claim 6, it is characterised in that step 51) and step 52) between also include:
Each building block groove face to being formed after dress is implemented surface cleaning process.
Method the most according to claim 6, it is characterised in that step 52) comprise the following steps:
71) four steel pipes (121) and two the first junction steel plates (122) and two the second junction steel plates (124) it are symmetrically welded
Weld joint on inner side；
72) first two the 3rd junction steel plates (125) of welding and the first steel plateelement (126) joint two-sided double V-groove the
Side, is welded to the half of the degree of depth by this side；Then by full for the second side weldering of described two-sided double V-groove；Last again by described two-sided
First side weldering of double V-groove is full；
73) weld joint on inner side of four described steel pipes (121) and bearing block (123) it is symmetrically welded；
74) it is symmetrically welded the plug welding hole between described first steel plateelement (126) and the second steel plateelement (127)；
75) two described first junction steel plates (122), two described bearing blocks (123), two described second companies it are symmetrically welded
Connect steel plate (124), two described 3rd junction steel plates (125) and the outer side weld of four described steel pipes (121).
Method the most according to claim 8, it is characterised in that in above-mentioned steps, the described welding of everywhere is all resolved into many
The secondary mode successively welded is carried out, wherein, and welding current when welding current during bottom welding welds less than outer layer.
10. according to the method described in any one in claim 6-9, it is characterised in that the welding of everywhere in above-mentioned steps
All use 45 ° of ship type welderings.
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| CN201510519171.XA CN105081643B (en) | 2015-08-21 | 2015-08-21 | The middle frame blank production labor dress of withdrawal straightening machine and method |
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|---|---|---|---|
| CN201510519171.XA CN105081643B (en) | 2015-08-21 | 2015-08-21 | The middle frame blank production labor dress of withdrawal straightening machine and method |
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| CN105081643A CN105081643A (en) | 2015-11-25 |
| CN105081643B true CN105081643B (en) | 2016-09-28 |
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| CN106180613A (en) * | 2016-08-30 | 2016-12-07 | 山东钢铁股份有限公司 | Withdrawal straightening machine, the lower frame of withdrawal straightening machine and production method thereof |
| CN111299769B (en) * | 2020-03-05 | 2022-03-08 | 成都凯航自动化成套设备有限公司 | Manufacturing process of unmanned aerial vehicle engine support |
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| JP2004141938A (en) * | 2002-10-25 | 2004-05-20 | Suzuki Motor Corp | Positioning device for welding |
| CN202428149U (en) * | 2012-01-12 | 2012-09-12 | 成都大宏立机器制造有限公司 | Vibration sieve spring seat welding positioning device |
| CN203197491U (en) * | 2012-10-25 | 2013-09-18 | 芜湖新传机械制造有限公司 | Fuel inlet and ventilation pipe assembly of fuel tank |
| KR101514887B1 (en) * | 2013-09-04 | 2015-04-23 | 지엠 글로벌 테크놀러지 오퍼레이션스 엘엘씨 | Apparatus for welding car body |
| CN204094332U (en) * | 2014-05-05 | 2015-01-14 | 泰州市恒源建材机械有限公司 | For the auxiliary web plate of reinforced bar skeleton seam welder |
| CN204277368U (en) * | 2014-11-25 | 2015-04-22 | 常州市康耐特机械设备有限公司 | A kind of fixture making many siphunculus of sea water desalinating unit |
| CN104722887B (en) * | 2014-12-12 | 2017-01-04 | 湖北源盛钢构有限公司 | Angle steel make-up box steel beam column and the assembling and welding process of main weld full penetration |
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