CN203956413U - Cylindrical shell girth joint welding frock - Google Patents
Cylindrical shell girth joint welding frock Download PDFInfo
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- CN203956413U CN203956413U CN201420389056.6U CN201420389056U CN203956413U CN 203956413 U CN203956413 U CN 203956413U CN 201420389056 U CN201420389056 U CN 201420389056U CN 203956413 U CN203956413 U CN 203956413U
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Abstract
The utility model discloses a kind of cylindrical shell girth joint welding frock, comprise support component and the outer hoop assembly identical with inner support component count in base, mandrel, many groups; Mandrel is vertically arranged on base; In every group, support component includes colyliform parts, multiple parts and multiple adjustment member of holding round; Hold round parts and be annulus arc segment structure, hold round parts around being arranged at the periphery of colyliform parts and being circular layout; Adjustment member is all arranged on colyliform parts and with to hold round parts corresponding, adjusts respectively these adjustment members, and its corresponding parts that hold round all can move along the radial direction of colyliform parts; Colyliform parts have central through hole, and colyliform parts are sleeved on mandrel by central through hole; Outer hoop assembly is garter spring structure, itself and the interior support component corresponding annulus periphery that parts form that holds round that is located on interior support component one by one.It can reduce or eliminate the misalignment error between cylindrical shell girth joint, improves welding precision, easy and simple to handle, can reduce welding cost.
Description
Technical field
The utility model relates to a kind of welding tooling, specifically relates to a kind of cylindrical shell girth joint welding frock, is specially adapted to the welding of thin wall cylindrical shell girth joint.
Background technology
Because thin wall cylindrical shell formed precision is poor, in the time carrying out butt girth welding seam welding, due to not circle generation misalignment situation of tubular, thereby make girth joint moulding and of poor quality.Such cylindrical shell is mainly realized by assembling pincers worker manual operations at present, and welding deformation control is by simply adding lacing wire, and human factor is very large and not easy to operate to weld parts Accuracy.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of cylindrical shell girth joint welding frock that can reduce or eliminate girth joint misalignment error is provided.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of cylindrical shell girth joint welding frock, comprises support component and the outer hoop assembly identical with this inner support component count in base, mandrel, many groups; Described mandrel is vertically arranged on described base; In described every group, support component includes colyliform parts, multiple parts and multiple adjustment member of holding round; The described parts that hold round are annulus arc segment structure, and these hold round parts around being arranged at the periphery of described colyliform parts and being circular layout; Described adjustment member is all arranged on colyliform parts and with described to hold round parts corresponding, adjusts respectively these adjustment members, and its corresponding parts that hold round all can move along the radial direction of these colyliform parts; Described colyliform parts have central through hole, and these colyliform parts are sleeved on described mandrel by central through hole; Described outer hoop assembly is garter spring structure, itself and the described interior support component corresponding annulus periphery that parts form that holds round that is located on described interior support component one by one.
Described colyliform parts are wheel hub structure, and it comprises outer ring, inner ring and be fixed on many spokes between this outer ring and inner ring, and the endoporus of this inner ring is the centre bore of these colyliform parts.
Described adjustment member is adjusting bolt, described outer ring have along its radially run through and with the screw of described adjusting bolt adaptation, described adjusting bolt is from the inside to the outside through the inner ring surface that holds round parts described in being resisted against after this screw;
On the described inner ring surface that holds round parts, the position corresponding with described adjusting bolt has counterbore, and the front end of this adjusting bolt stretches in this counterbore.
Described interior support component also comprises multiple limiting components, and described each parts that hold round are fixedly connected with at least one described limiting component, and this limiting component is flexibly connected with the outer ring of described colyliform parts by bindiny mechanism.
Described bindiny mechanism comprises being arranged at extends and connects gathering sill and the attachment screw of this limiting component along described colyliform parts radial direction on described limiting component, and this attachment screw is spirally connected and is connected with these colyliform parts through this gathering sill.
Described gathering sill is kidney slot.
On described mandrel, be set with distance sink tube, on the mandrel at these distance sink tube two ends, at least there is one group respectively described in support component.
Described colyliform parts can circumferentially rotate taking described mandrel as axle.
Described outer hoop assembly comprises two halves annulus, fastening bolt and nut, and the two ends of described two halves annulus all have adpting flange, and this adpting flange all has through hole, and described fastening bolt is spirally connected fastening through after the through hole of this two halves annulus adjacent flanges with described nut.
Useful technique effect of the present utility model is:
When the utility model is used for welding procedure, select the interior support component of suitable external diameter according to the internal diameter of cylindrical shell for the treatment of welding, and this interior support component is arranged on mandrel, then the barrel jacket for the treatment of welding is contained in this outside support component, at the cylindrical shell outer cylinder suit outer hoop assembly for the treatment of welding corresponding to interior support component, the large young pathbreaker who adjusts outer hoop assembly internal diameter and/or interior support component external diameter treats that the cylindrical shell of welding clamps, be arranged on like this all interior support component on mandrel all concentric, can reduce or eliminate the cylindrical shell entirety misalignment for the treatment of welding, whether follow local misalignment between the girth joint that detects the cylindrical shell for the treatment of welding exceeds standard, if exceed standard, adjust respectively corresponding adjustment member, the parts that hold round of its correspondence are moved along the radial direction of colyliform parts, make the corresponding topical misalignment between girth joint reach standard-required.As can be seen here, the utility model ensures that by mandrel all interior support components all play holding round parts and can adjusting it by adjustment member and can adjust external diameter and the circularity of interior support component along moving of colyliform parts of axiality certralizing ability and interior support component in coaxial position mandrel to each interior support component when the welding procedure, thereby reduces or eliminate the error of misalignment between the cylindrical shell girth joint for the treatment of welding; Meanwhile, the cylindrical shell that the utility model is treated welding adopts the vertically mode of assembling, can reduce the ovalizing deflection that level assembling causes because of Action of Gravity Field, thereby reduces the misalignment risk between the cylindrical shell girth joint for the treatment of welding.Therefore, use the utility model while carrying out welding procedure, can reduce or eliminate the misalignment error for the treatment of between welding cylindrical shell girth joint, improve welding precision, easy and simple to handle, can reduce welding procedure cost, simultaneously to cylindrical shell particularly thin-wall barrel play the effect of holding round.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present utility model;
View when Fig. 2 is the cylindrical shell packing into until welding;
Fig. 3 is that the A of Fig. 2 is to structural representation.
Detailed description of the invention
For describing technical characterictic of the present utility model and effect in detail, and can realize according to the content of this description, below in conjunction with accompanying drawing, embodiment of the present utility model be further illustrated.
Referring to Fig. 1 to Fig. 3, be a kind of cylindrical shell girth joint welding frock of the present utility model, comprise base 1, mandrel 2, support component 4 and the outer hoop assembly 5 identical with these interior support component 4 quantity in four groups, mandrel 2 is vertically arranged on base 1, in every group, support component 4 includes a colyliform parts 4-1, four hold round parts 4-2 and four adjustment member 4-3, hold round parts 4-2 and be annulus arc segment structure, these hold round parts 4-2 around being arranged at the periphery of colyliform parts 4-1 and being circular layout, preferably, these four hold round parts 4-2 and are evenly arranged in the periphery of colyliform parts 4-1, stressed more even, adopting four segmentations that hold round parts 4-2 to be combined into this form of annulus had both ensured to hold round parts 4-2 and had been positioned at the position for the treatment of that the cylindrical shell 8 of welding need to hold round, enough interior receipts amounts are ensured again, conveniently treat the installation and removal of the cylindrical shell 8 of welding, these external diameters that hold round the annulus that parts 4-2 forms are according to the internal diameter size design of cylindrical shell 8 for the treatment of welding, the radial thickness that holds round parts 4-2 is constructed and need to be selected according to actual welding, preferably, the radial thickness that the internal diameter size design that holds round the annulus that parts 4-2 forms ensures to hold round parts 4-2 is 35mm-40mm, four adjustment member 4-3 are all arranged on colyliform parts 4-1, corresponding one of each adjustment member 4-3 holds round parts 4-2, adjust respectively these adjustment members 4-3, the corresponding parts 4-2 that holds round of these adjustment members 4-3 all can move along the radial direction of colyliform parts 4-1, in order to strengthen rigidity of the present utility model and axial dimension positioning precision, the utility model increase has designed distance sink tube 3, this distance sink tube 3 is sleeved on mandrel 2, and when welding procedure, the length basis of distance sink tube 3 is treated the axial dimension selection of the girth joint of the cylindrical shell 8 of welding, colyliform parts 4-1 has central through hole, support component 4 in two groups is set respectively on the mandrel 2 at these distance sink tube 3 two ends, according to actual welding construction needs, support component 4 in many groups of support component 4 or other quantity in can arranging respectively one group, and the colyliform parts 4-1 of this interior support component 4 is all sleeved on mandrel 2 by central through hole, when welding procedure, exceed standard owing to treating that gap error between the girth joint of cylindrical shell 8 of welding may exist, the utility model solves this problem by following structure: the central through hole of colyliform parts 4-1 and mandrel 2 are spirally connected and can circumferentially rotate taking this mandrel 2 as axle.When detecting that gap error between the girth joint of the cylindrical shell 8 of welding exists while exceeding standard situation, adjust the gap length between the girth joint of the cylindrical shell 8 for the treatment of welding by rotation colyliform parts 4-1, by rotation colyliform parts 4-1 at mandrel 2 the relative distance adjustment on axially treat the gap length between the girth joint of cylindrical shell 8 of welding, thereby reduce or eliminate described gap error, making it to reach standard-required; Colyliform parts 4-1 can improve the precision of centering with being threaded of mandrel 2, and treats that for difference the gap between welding cylindrical shell 8 girth joints can adjust, and makes range of application of the present utility model wider; Four outer hoop assemblies 5 are garter spring structure, outer hoop assembly 5 and the interior support component 4 corresponding annulus periphery that parts 4-2 forms that holds round that is located on interior support component 4 one by one.
Wherein, colyliform parts 4-1 is wheel hub structure, it comprise outer ring 4-1-1, inner ring 4-1-2 and be fixed on outer ring 4-1-1 and inner ring 4-1-2 between many spoke 4-1-3, the endoporus of inner ring 4-1-2 is the centre bore of colyliform parts 4-1.Adjustment member 4-3 selects adjusting bolt, outer ring 4-1-1 have along its radially run through and with the screw of adjusting bolt adaptation, adjusting bolt is resisted against through after this screw the inner ring surface that holds round parts 4-2 from the inside to the outside, in the time that adjusting bolt outwards screws out, bolt front end face can withstand and hold round parts 4-2 axially outwards moving along colyliform parts 4-1, realization holds round and adjusts the function of local misalignment, in the time that adjusting bolt counter-rotates, holds round parts 4-2 and inwardly shrinks and realize disassembling function.Preferably, hold round the position corresponding with adjusting bolt on the inner ring surface of parts 4-2 and there is counterbore, the front end of this adjusting bolt stretches in this counterbore, adopt in the situation of this structure, due to adjusting bolt and to hold round between the counterbore of parts 4-2 be tight fit, when rotation adjusting bolt, can cause holding round parts 4-2 and follow adjusting bolt rotation, be not easy to hold round the radiai adjustment of parts 4-2, therefore interior support component 4 increases and has designed eight limiting component 4-4 and limit and hold round parts 4-2 and follow adjusting bolt rotation and hold round parts 4-2 rocking in lateral cross section position, concrete structure is such, each parts 4-2 that holds round is fixedly connected with two limiting component 4-4, here it should be noted that, not certain number with the quantity that holds round the limiting component 4-4 that parts 4-2 is fixedly connected with, according to actual welding, construction needs to select other quantity, then, these two limiting component 4-4 are flexibly connected with the outer ring 4-1-1 of colyliform parts 4-1 by bindiny mechanism, the bindiny mechanism that limiting component 4-1 is flexibly connected with the outer ring 4-1-1 of colyliform parts 4-1 comprises being arranged at extends and connects gathering sill 4-6 and the attachment screw 4-5 of this limiting component 4-4 along colyliform parts 4-1 radial direction on limiting component 4-4, this attachment screw 4-5 is spirally connected and is connected with these colyliform parts 4-1 through this gathering sill 4-6, preferably, gathering sill 4-6 is kidney slot.Interior support component 4 holds round parts 4-2 while adopting such structure to ensure welding procedure can only can not follow moving in the radial direction of colyliform parts 4-1 adjusting bolt rotation.While using the utility model to construct, to note, attachment screw 4-5 between limiting component 4-4 and colyliform parts 4-1 can not overtorquing, as long as can play the rotation that prevents holding round parts 4-2 and follow adjusting bolt, hold round moving radially of parts 4-2 otherwise can have influence on, ensured so better to hold round parts 4-2 and be positioned at the position that need to hold round.
Wherein, outer hoop assembly 5 comprises two halves annulus, fastening bolt 6 and nut 7, the two ends of two halves annulus all have adpting flange 5-1, and adpting flange 5-1 all has through hole, and fastening bolt 6 is spirally connected fastening through after the through hole of the adjacent adpting flange 5-1 of two halves annulus with nut 7.The adpting flange 5-1 of outer hoop assembly 5 in girth joint position benefit carry out chamfered, carry out welding operation to ensure enough spaces; While tightening fastening bolt 6, adopt torque spanner, prevent that the pressure that workpiece is produced is excessive; Between the contact-making surface of adjacent adpting flange 5-1, should leave pretension gap, to can better realize pretension.Outer hoop assembly 5 number of fragments are not limited to this structure of above-mentioned annulus in two, can also be other number of fragments, can be even that overall structure is that the internal diameter of outer hoop assembly 5 can not regulate, but adopt integrally-built this outer hoop assembly 5 to require its internal diameter should be suitable with the external diameter for the treatment of welding cylindrical shell 8.
It should be noted that, above-mentioned interior support component 4, outer hoop assembly 5, the quantity number that holds round parts 4-2, adjustment member 4-3 and limiting component 4-4 are not certain number, can also be other most quantity numbers.
Above with reference to embodiment, the utility model being have been described in detail, is illustrative and not restrictive, in the variation and the amendment that do not depart under the utility model general plotting, all within protection domain of the present utility model.
Claims (10)
1. a cylindrical shell girth joint welding frock, is characterized in that, comprises support component and the outer hoop assembly identical with this inner support component count in base, mandrel, many groups; Described mandrel is vertically arranged on described base; In described every group, support component includes colyliform parts, multiple parts and multiple adjustment member of holding round; The described parts that hold round are annulus arc segment structure, and these hold round parts around being arranged at the periphery of described colyliform parts and being circular layout; Described adjustment member is all arranged on colyliform parts and with described to hold round parts corresponding, adjusts respectively these adjustment members, and its corresponding parts that hold round all can move along the radial direction of these colyliform parts; Described colyliform parts have central through hole, and these colyliform parts are sleeved on described mandrel by central through hole; Described outer hoop assembly is garter spring structure, itself and the described interior support component corresponding annulus periphery that parts form that holds round that is located on described interior support component one by one.
2. cylindrical shell girth joint welding frock according to claim 1, it is characterized in that, described colyliform parts are wheel hub structure, and it comprises outer ring, inner ring and be fixed on many spokes between this outer ring and inner ring, and the endoporus of this inner ring is the centre bore of these colyliform parts.
3. cylindrical shell girth joint welding frock according to claim 2, it is characterized in that, described adjustment member is adjusting bolt, described outer ring have along its radially run through and with the screw of described adjusting bolt adaptation, described adjusting bolt is from the inside to the outside through the inner ring surface that holds round parts described in being resisted against after this screw.
4. cylindrical shell girth joint welding frock according to claim 3, is characterized in that, described in hold round the position corresponding with described adjusting bolt on the inner ring surface of parts and there is counterbore, the front end of this adjusting bolt stretches in this counterbore.
5. cylindrical shell girth joint welding frock according to claim 4, it is characterized in that, described interior support component also comprises multiple limiting components, described each parts that hold round are fixedly connected with at least one described limiting component, and this limiting component is flexibly connected with the outer ring of described colyliform parts by bindiny mechanism.
6. cylindrical shell girth joint welding frock according to claim 5, it is characterized in that, described bindiny mechanism comprises being arranged at extends and connects gathering sill and the attachment screw of this limiting component along described colyliform parts radial direction on described limiting component, and this attachment screw is spirally connected and is connected with these colyliform parts through this gathering sill.
7. cylindrical shell girth joint welding frock according to claim 6, is characterized in that, described gathering sill is kidney slot.
8. cylindrical shell girth joint welding frock according to claim 1, is characterized in that, on described mandrel, is set with distance sink tube, on the mandrel at these distance sink tube two ends, at least there is one group respectively described in support component.
9. cylindrical shell girth joint welding frock according to claim 1, is characterized in that, described colyliform parts can circumferentially rotate taking described mandrel as axle.
10. according to the cylindrical shell girth joint welding frock described in claim 1 to 9 any one, it is characterized in that, described outer hoop assembly comprises two halves annulus, fastening bolt and nut, the two ends of described two halves annulus all have adpting flange, this adpting flange all has through hole, and described fastening bolt is spirally connected fastening through after the through hole of this two halves annulus adjacent flanges with described nut.
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| CN201420389056.6U CN203956413U (en) | 2014-07-15 | 2014-07-15 | Cylindrical shell girth joint welding frock |
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| CN201420389056.6U CN203956413U (en) | 2014-07-15 | 2014-07-15 | Cylindrical shell girth joint welding frock |
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| CN112008306B (en) * | 2020-09-07 | 2022-01-07 | 任丘市瑞邦自动焊接科技有限公司 | Welding robot that welding precision is high |
| CN112008306A (en) * | 2020-09-07 | 2020-12-01 | 广州市顺创科技有限公司 | Welding robot that welding precision is high |
| CN112605647A (en) * | 2020-12-15 | 2021-04-06 | 中国航空工业集团公司北京航空精密机械研究所 | Tool for finely adjusting frame position in assembly |
| CN112846771A (en) * | 2021-01-11 | 2021-05-28 | 刘少波 | Welding device for pipeline and using method thereof |
| CN113199761A (en) * | 2021-05-14 | 2021-08-03 | 山东茂盛管业有限公司 | PE hose reducing welding device |
| CN113547269A (en) * | 2021-08-20 | 2021-10-26 | 中国航发航空科技股份有限公司 | Welding fixture for large titanium alloy thin-wall metal plate welding case of aircraft engine |
| CN114083232A (en) * | 2021-11-11 | 2022-02-25 | 西安航天动力机械有限公司 | Copper plate roll welding roundness control device, copper cylinder manufacturing method and cathode roller manufacturing method |
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