CN109014734B - Rapid assembling positioning welding device for longitudinal welding seams of thin-wall cylinders with different diameters - Google Patents
Rapid assembling positioning welding device for longitudinal welding seams of thin-wall cylinders with different diameters Download PDFInfo
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- CN109014734B CN109014734B CN201811065513.5A CN201811065513A CN109014734B CN 109014734 B CN109014734 B CN 109014734B CN 201811065513 A CN201811065513 A CN 201811065513A CN 109014734 B CN109014734 B CN 109014734B
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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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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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
- B23K37/0461—Welding tables
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Abstract
The invention relates to the field of manufacturing of flame tubes of combustion chambers of aero-engines, wherein in the prior art, dozens of sets of tools are usually adopted for tack welding of a gas film section, so that the problems of troublesome operation, time and labor waste, low reliability and high processing cost exist; in order to solve the problems in the prior art, the invention provides a rapid assembling positioning welding device for longitudinal welding seams of thin-wall cylinders with different diameters, which comprises a supporting seat, an installation base, a sliding positioning seat assembly and a pressing locking assembly, wherein the sliding positioning seat assembly is arranged on the supporting seat; the installation base is installed in the supporting seat top, and two slide positioning seat subassemblies are all slided and are arranged in proper order in the top surface of installation base and along the direction of the guide way on the installation base, and the bottom and the guide way of slide positioning seat subassembly cooperate. Compared with the prior art, the invention can quickly assemble, position and weld the cylinders with different diameters within a certain range, and has the advantages of simple product structure, convenient operation, labor and time saving and higher reliability.
Description
Technical Field
The invention relates to the field of manufacturing of flame tubes of combustion chambers of aero-engines, in particular to a quick assembly positioning welding device for longitudinal welding seams of thin-wall cylinders with different diameters, which is used for assembly positioning welding of cylinders of all gas film sections of the flame tubes of the combustion chambers of aero-engines and the like.
Background
The flame tube belongs to an important component of an aeroengine combustion chamber and is formed by welding, machining and assembling a plurality of sections of gas film section tube bodies; the flame tube gas film section is of a thin-wall tube structure and is formed by bending and welding plate materials, and the diameters of the flame tube gas film section are different. During welding, the barrel needs to be positioned and compressed through a tool, and the gap and the misalignment of a welding joint are guaranteed.
In the prior art, dozens of sets of tools are generally adopted for positioning welding of the multi-section gas film section cylinder, the positioning welding and the welding are troublesome in operation, time and labor are wasted, the reliability is low, and the application of a plurality of sets of tools and the investment of time lead to the problem of high processing cost.
Disclosure of Invention
The invention aims to design a rapid assembling and positioning welding device for longitudinal welding lines of thin-wall cylinders with different diameters.
The invention is realized by the following technical scheme:
a rapid assembling positioning welding device for longitudinal welding seams of thin-wall cylinders with different diameters comprises a supporting seat, an installation base, a sliding positioning seat assembly and a pressing locking assembly; the mounting base is mounted on the top of the supporting base, the top of the mounting base is provided with two guide grooves, the two sliding positioning seat assemblies are arranged on the top surface of the mounting base in a sliding mode and are sequentially arranged along the guide direction of the guide grooves, the bottom of each sliding positioning seat assembly is in guide fit with the guide grooves, the two sliding positioning seat assemblies are used for clamping and positioning workpieces from two sides of the workpieces, and the compression locking assembly is movably mounted on the mounting base and used for compressing the tops of the workpieces to achieve positioning.
When the structure is adopted, the supporting seat is used as a supporting platform of the device, the mounting base is used as a mounting and supporting platform of each part in the device, and a workpiece to be positioned in the device is a thin-wall cylinder structural member. The pressing and locking assembly is used for pressing and fixing the cylinder body on the mounting base after the cylinder body is positioned by the sliding positioning seat assembly, the positioning diameter can be changed by sliding the sliding positioning seat assembly in the device along the guiding direction of the guiding groove, and the pressing and locking assembly can be used for assembly positioning welding of cylinder bodies with different diameters. Through using this rapid Assembly tack welding device, when the operation, only need one set of this kind of device just can accomplish the tack welding of barrel, compare tens of sets of frock of adoption in prior art in the operation, it is more swift convenient and labour saving and time saving in the operation, different diameter barrels of a certain extent of tack welding have been realized, the clamping time that significantly reduces, dozens of sets of frock has been saved, the reduction in production cost, the benefit of the company is improved, great practical value has, and is structurally also simpler, and because unnecessary frock location step has been saved, tack welding's reliability is higher.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the sliding positioning seat assembly comprises a sliding T-shaped bolt, a sliding T-shaped nut and two positioning seats which are sequentially arranged along the guiding direction of the guiding groove; the guide groove is a T-shaped groove, the sliding T-shaped bolt penetrates through each positioning seat, the bottom end of each sliding T-shaped bolt is matched with the corresponding T-shaped groove in a guiding mode, and the top end of each sliding T-shaped bolt is provided with the corresponding sliding T-shaped nut.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the pressing and locking assembly comprises a pressing plate assembly and an eccentric lock assembly, the pressing plate assembly comprises a pin shaft and a pressing plate, the pin shaft of the pressing plate assembly is connected with the mounting base, and the pressing plate is hinged with the pin shaft of the pressing plate assembly; the eccentric lock assembly comprises a pin shaft, an eccentric cam, a hinge shaft and a first centripetal ball bearing, one end of the pin shaft of the eccentric lock assembly is connected to the mounting base, the free end of the pin shaft of the eccentric lock assembly is fixedly connected with the hinge shaft, the hinge shaft is fixed with the inner ring of the first centripetal ball bearing, and the eccentric cam is fixed with the outer ring of the first centripetal ball bearing; the eccentric lock assembly is used for locking the pressure plate and the workpiece.
In order to further better implement the invention, the following arrangement structure is particularly adopted: two sides of the mounting base are respectively and fixedly connected with a locking mounting base, each locking mounting base is provided with a pin hole, and each locking mounting base is provided with a locking shaft bolt and a locking bolt for locking the locking shaft bolt; the pin shaft of the pressure plate assembly is movably inserted into the pin hole of one locking mounting seat, the pin shaft of the eccentric lock assembly is movably inserted into the pin hole of the other locking mounting seat, and the pin shaft of the pressure plate assembly and the pin shaft of the eccentric lock assembly can be locked in the corresponding pin hole through the corresponding lock shaft bolt.
When the structure is adopted, the pin shaft of the pressure plate assembly and the pin shaft of the eccentric lock assembly can slide up and down in the pin hole, so that the purpose of adjusting the compression height of the pressure plate assembly is realized, the pressure plate can be pressed down just against the top of a workpiece, and the function of adjusting the positioning diameter is achieved by matching with the sliding positioning seat assembly.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the pin shaft of the eccentric lock assembly is sleeved with a spring, the bottom end of the spring abuts against the locking mounting seat, and the top end of the spring can abut against the bottom surface of the pressing plate when the pressing plate is closed.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the pressing plate is an arched pressing plate, and the part of the arched pressing plate used for pressing the workpiece is of a flat plate structure.
In order to further better implement the invention, the following arrangement structure is particularly adopted: and a base plate which is in buffer contact with the top of the workpiece is arranged on the bottom surface of the pressing plate.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the positioning seats face the workpiece, one surface of each positioning seat, which is used for being in contact with the workpiece, is a slope surface, and the two positioning seats and the top surface of the mounting base form a V-shaped positioning groove with a top flaring.
In order to further better implement the invention, the following arrangement structure is particularly adopted: and the lock shaft bolt is processed with a reticulate pattern knurl.
In order to further better implement the invention, the following arrangement structure is particularly adopted: still include and rotate the seat, it is the boss part to rotate the seat, the fixed cover of journal of rotating the seat is equipped with second to heart ball bearing, the step hole has been seted up at the top of supporting seat, the journal of rotating the seat stretches into downwards the step is downthehole, second to heart ball bearing's outer lane with the step hole is fixed, second to heart ball bearing in on the step in step hole, the top fixed connection of rotating the seat the bottom of installation base.
When the structure is adopted, the rotating seat can rotate around the axis of the rotating seat, so that the rotation of the mounting base is realized, the relative rotary motion of the mounting base and each part connected with the mounting base in the device relative to the supporting seat is realized, the horizontal rotation at any position can be realized, and the workpiece can be conveniently clamped.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the bearing groove is formed in the shaft shoulder of the rotating seat and faces to one surface of the top surface of the supporting seat, the thrust ball bearing is arranged in the bearing groove, and the race of the thrust ball bearing is seated on the top surface of the supporting seat.
The invention has the following advantages and beneficial effects:
in the invention, the supporting seat is used as a supporting platform of the device, the mounting base is used as a mounting and supporting platform of each part in the device, and a workpiece to be positioned in the device is a thin-wall cylinder structural member. The pressing and locking assembly is used for pressing and fixing the cylinder body on the mounting base after the cylinder body is positioned by the sliding positioning seat assembly, the positioning diameter can be changed by sliding the sliding positioning seat assembly in the device along the guiding direction of the guiding groove, and the pressing and locking assembly can be used for assembly positioning welding of cylinder bodies with different diameters. Through using this rapid Assembly tack welding device, when the operation, only need one set of this kind of device just can accomplish the tack welding of barrel, compare tens of sets of frock of adoption in prior art in the operation, it is more swift convenient and labour saving and time saving in the operation, different diameter barrels of a certain extent of tack welding have been realized, the clamping time that significantly reduces, dozens of sets of frock has been saved, the reduction in production cost, the benefit of the company is improved, great practical value has, and is structurally also simpler, and because unnecessary frock location step has been saved, tack welding's reliability is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a quick-assembly tack welding device for longitudinal welds of thin-walled cylinders of different diameters;
FIG. 2 is a schematic view of the A-direction structure of FIG. 1;
labeled as:
1-a support seat; 2-installing a base; 3-rotating the base; 4-sliding the T-bolt; 5-positioning seat; 6-locking the bolt; 7-eccentric locking assembly; 8-radial ball bearing; 9-a backing plate; 10-a platen assembly; 11-shaft locking bolt; 12-locking mounting seats; 13-a spring; 14-thrust ball bearings; 15-sliding the T-nut; 16-radial ball bearing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Example 1:
a rapid Assembly tack welding device for different diameter thin wall cylinder longitudinal weld seam has the advantages of simple product structure, convenient operation, labor and time saving and higher reliability, as shown in figure 1 and figure 2, the device is especially set to the following structure:
as an overall concept, the device should include a support base 1, a mounting base 2, a sliding positioning base assembly, and a compression locking assembly; the supporting seat 1 is used as a supporting platform in the device and is machined from a 45# steel plate with a certain specification, and the bottom of the supporting seat is of a hollow structure so as to reduce the weight of parts; the mounting base 2 serves as a mounting and support platform for each component in the device and is machined from a 45# steel plate of a certain specification.
The mounting base 2 is installed on the top of the supporting base 1 through bolts or welded fastening, two parallel linear guide grooves are machined in the top of the mounting base 2, and the guide grooves are used for installing the sliding positioning seat assembly. The quantity of slide positioning seat subassembly is two, two equal sliding setting in the top surface of installation base 2 of slide positioning seat subassemblies, two slide positioning seat subassemblies are arranged in proper order along the direction of guide way, the bottom and the guide way direction cooperation of slide positioning seat subassembly, slide positioning seat subassembly can slide to adjust the positioning diameter to the work piece diameter of difference along the direction of guide way, an assembly positioning welds for different diameter barrels, two slide positioning seat subassemblies are used for following the both sides clamping positioning work piece of work piece, it is similar to flip clamp plate structure to compress tightly the locking subassembly, it realizes the location to compress tightly the work piece top to compress tightly the locking subassembly activity and install on installation base 2.
When the structure is adopted, the workpiece to be positioned in the device is a thin-wall cylinder structural member. The pressing and locking assembly is used for pressing and fixing the cylinder on the installation base 2 after the cylinder is positioned by the sliding positioning seat assembly, the positioning diameter can be changed by sliding the sliding positioning seat assembly in the device along the guide direction of the guide groove, and the pressing and locking assembly can be used for assembly positioning welding of cylinders with different diameters. Through using this rapid Assembly tack welding device, when the operation, only need one set of this kind of device just can accomplish the tack welding of barrel, compare tens of sets of frock of adoption in prior art in the operation, it is more swift convenient and labour saving and time saving in the operation, different diameter barrels of a certain extent of tack welding have been realized, the clamping time that significantly reduces, dozens of sets of frock has been saved, the reduction in production cost, the benefit of the company is improved, great practical value has, and is structurally also simpler, and because unnecessary frock location step has been saved, tack welding's reliability is higher.
Specifically, the guide groove is a T-shaped groove, the sliding positioning seat assembly comprises a sliding T-shaped bolt 4, a sliding T-shaped nut 15 and two positioning seats 5, and the two positioning seats 5 are sequentially arranged along the guide direction of the T-shaped groove; all vertically wear to be equipped with two slip T type bolts 4 on every positioning seat 5, the bottom of two slip T type bolts 4 on every positioning seat 5 stretches into corresponding T type inslot respectively and T type groove guide fit, and the top of all slip T type bolts 4 all has a slip T type nut 15 and is used for making positioning seat 5 fasten on installation base 2. T type groove, slip T type bolt 4, slip T type nut 15 can automatic locking fit when screwing, convenient operation, save time. The positioning seat 5 can slide in the T-shaped groove along with the sliding T-shaped bolt 4, the position of the positioning seat 5 is changed, and the positioning diameter is changed, so that the positioning seat is used for assembling, positioning and welding barrels with different diameters.
Specifically, the compression locking assembly comprises a pressure plate assembly 10 and an eccentric lock assembly 7 used for locking the pressure plate assembly 10 and the mounting base 2 to compress a workpiece. The pressing plate assembly 10 comprises a pin shaft which is vertically arranged and a pressing plate which is connected with the pin shaft in an overturning manner, the pin shaft of the pressing plate assembly 10 is fixedly connected with the side surface of the installation base 2, the pressing plate is hinged with the pin shaft of the pressing plate assembly 10 through a hinge, and the pressing plate can overturn up and down about the hinged point; the eccentric lock assembly 7 comprises a pin shaft, an eccentric cam, a hinge shaft and a first axial spherical bearing 8, the pin shaft is vertically arranged, one end of the pin shaft of the eccentric lock assembly 7 is fixedly connected to the side surface of the mounting base 2, the free end of the pin shaft of the eccentric lock assembly 7 is fixedly connected with the hinge shaft, the hinge shaft is perpendicular to the pin shaft of the eccentric lock assembly 7, the hinge shaft is fixedly welded with an inner ring of the first axial spherical bearing 8, and the eccentric cam is fixedly welded with an outer ring of the first axial spherical bearing 8 to form a hinge structural member; the eccentric lock assembly 7 is used for locking the pressure plate with the workpiece.
Preferably, the pressing plate is an arched pressing plate, the middle part of the arched pressing plate is convex upwards, and the middle part is higher than the periphery; the middle part of the arched pressure plate is of a flat plate structure and is used for pressing a workpiece.
Preferably, a mounting groove is processed in the middle of the bottom surface of the arched pressing plate, a backing plate 9 which is in buffering contact with the top of the workpiece is arranged in the mounting groove, and the backing plate 9 is a soft rubber sheet.
Preferably, the surface of the positioning seat 5 facing the workpiece and contacting the workpiece is a slope surface, and the two positioning seats 5 and the top surface of the mounting base 2 form a V-shaped positioning groove with a flared top, so that the workpiece is conveniently positioned.
Example 2:
the embodiment is further optimized on the basis of the above embodiment, and in order to further better implement the invention, the following arrangement structure is particularly adopted:
the two sides of the mounting base 2 are fixedly connected with a locking mounting base 12 through argon arc welding respectively, the locking mounting base 12 is formed by machining a 45# steel plate with a certain specification, a vertically through pin hole is machined in the locking mounting base 12, a locking shaft bolt 11 and a locking bolt 6 for locking the locking shaft bolt 11 are arranged on the locking mounting base 12, and a reticulate knurling is machined on the locking shaft bolt 11 to facilitate manual operation; the pin shaft of the pressure plate component 10 is movably inserted into the pin hole of one locking mounting seat 12, the pin shaft of the eccentric lock component 7 is movably inserted into the pin hole of the other locking mounting seat 12, and the pin shaft of the pressure plate component 10 and the pin shaft of the eccentric lock component 7 can be locked in the corresponding pin holes through the corresponding lock shaft bolts 11.
When the structure is adopted, the pin shaft of the pressure plate assembly 10 and the pin shaft of the eccentric lock assembly 7 can slide up and down in the pin hole, the purpose of adjusting the compression height of the pressure plate assembly 10 is achieved, the pressure plate can be pressed down just against the top of a workpiece, and meanwhile, the function of adjusting the positioning diameter is achieved by matching with the sliding positioning seat assembly.
Preferably, a spring 13 is sleeved on the pin shaft of the eccentric lock assembly 7, the bottom end of the spring 13 abuts against the locking mounting seat 12, and the top end of the spring 13 can abut against the bottom surface of the pressing plate when the pressing plate is closed.
Example 3:
the embodiment is further optimized on the basis of the above embodiment, and in order to further better implement the invention, the following arrangement structure is particularly adopted:
a step hole is processed in the middle of the supporting seat 1 and used for mounting and welding a radial ball bearing.
The top of the supporting seat 1 is provided with a rotating seat 3, the rotating seat 3 is a boss part, a shaft neck fixing sleeve of the rotating seat 3 is provided with a second radial ball bearing 16, a shaft neck of the rotating seat 3 extends downwards into a step hole, wherein the second radial ball bearing 16 is seated on the step of the step hole, an outer ring of the second radial ball bearing 16 is tightly matched with the step hole and is welded and fixed, an inner ring of the second radial ball bearing 16 is welded and fixed with the end part of the shaft neck of the rotating seat 3, and the bottom of the top mounting base 2 of the rotating seat 3 is welded and fixed.
When the structure is arranged, the rotating seat 3 can rotate around the axis of the rotating seat, so that the rotation of the mounting base 2 is realized, the relative rotary motion of the mounting base 2 and each part connected with the mounting base 2 in the device relative to the supporting seat 1 is realized, the horizontal rotation at any position can be realized, and workpieces can be conveniently clamped.
Preferably, a bearing groove is formed in the surface, facing the top surface of the supporting seat 1, of the shaft shoulder of the rotating seat 3, a thrust ball bearing 14 is arranged in the bearing groove, a shaft ring of the thrust ball bearing 14 is connected with the bottom of the bearing groove, and a seat ring of the thrust ball bearing 14 is seated on the top surface of the supporting seat 1, so that the rotating seat 3 can rotate more smoothly.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.
Claims (6)
1. The utility model provides a rapid Assembly tack welding device that is used for vertical welding seam of different diameter thin wall barrel which characterized in that: comprises a supporting seat (1), an installation base (2), a rotating seat (3), a sliding positioning seat component and a pressing locking component; the rotating seat (3) is a boss part, a second radial ball bearing (16) is fixedly sleeved on a shaft neck of the rotating seat (3), a step hole is formed in the top of the supporting seat (1), the shaft neck of the rotating seat (3) extends downwards into the step hole, an outer ring of the second radial ball bearing (16) is fixed with the step hole, the second radial ball bearing (16) is seated on the step of the step hole, and the top of the rotating seat (3) is fixedly connected with the bottom of the mounting base (2);
the top of the mounting base (2) is provided with a guide groove, the guide groove is a T-shaped groove, the number of the sliding positioning seat assemblies is two, the two sliding positioning seat assemblies are arranged on the top surface of the mounting base (2) in a sliding mode and are sequentially arranged along the guide direction of the guide groove, the bottom of each sliding positioning seat assembly is in guide fit with the guide groove, and the two sliding positioning seat assemblies are used for clamping and positioning workpieces from two sides of the workpieces; the sliding positioning seat assembly comprises a sliding T-shaped bolt (4), a sliding T-shaped nut (15) and two positioning seats (5), one surface, facing the workpiece, of each positioning seat (5) is a slope surface, and the two positioning seats (5) and the top surface of the mounting base (2) form a V-shaped positioning groove with a top flaring; each positioning seat (5) is provided with a sliding T-shaped bolt (4) in a penetrating manner, the bottom ends of all the sliding T-shaped bolts (4) are matched with the T-shaped grooves in a guiding manner, and the top ends of all the sliding T-shaped bolts (4) are provided with sliding T-shaped nuts (15);
the pressing and locking assembly is movably arranged on the mounting base (2) and used for pressing the top of a workpiece to realize positioning, the pressing and locking assembly comprises a pressing plate assembly (10) and an eccentric lock assembly (7), the pressing plate assembly (10) comprises a pin shaft and a pressing plate, the pin shaft of the pressing plate assembly (10) is connected with the mounting base (2), and the pressing plate is hinged with the pin shaft of the pressing plate assembly (10); the eccentric lock assembly (7) comprises a pin shaft, an eccentric cam, a hinge shaft and a first centripetal ball bearing (8), one end of the pin shaft of the eccentric lock assembly (7) is connected to the mounting base (2), the free end of the pin shaft of the eccentric lock assembly (7) is fixedly connected with the hinge shaft, the hinge shaft is fixed with an inner ring of the first centripetal ball bearing (8), and the eccentric cam is fixed with an outer ring of the first centripetal ball bearing (8); the eccentric lock assembly (7) is used for locking the pressure plate and a workpiece.
2. The quick-assembly tack welding device for longitudinal welds of thin-walled cylinders of different diameters of claim 1, comprising: two sides of the mounting base (2) are respectively and fixedly connected with a locking mounting seat (12), the locking mounting seats (12) are provided with pin holes, and locking shaft bolts (11) and locking bolts (6) used for locking the locking shaft bolts (11) are arranged on the locking mounting seats (12); the pin shaft of the pressure plate assembly (10) is movably inserted into the pin hole of one locking mounting seat (12), the pin shaft of the eccentric lock assembly (7) is movably inserted into the pin hole of the other locking mounting seat (12), and the pin shaft of the pressure plate assembly (10) and the pin shaft of the eccentric lock assembly (7) can be locked in the corresponding pin hole through the corresponding locking shaft bolt (11).
3. The quick-assembly tack welding device for longitudinal welds of thin-walled cylinders of different diameters of claim 2, wherein: a spring (13) is sleeved on a pin shaft of the eccentric lock assembly (7), the bottom end of the spring (13) is abutted to the locking mounting seat (12), and the top end of the spring (13) can be abutted to the bottom surface of the pressing plate when the pressing plate is closed.
4. The quick-assembly tack welding device for longitudinal welds of thin-walled cylinders of different diameters of claim 1, comprising: the pressing plate is an arched pressing plate, and the part of the arched pressing plate used for pressing the workpiece is of a flat plate structure.
5. A quick-assembly tack welding apparatus for longitudinal welds of thin-walled cylinders of different diameters according to claim 4, wherein: and a backing plate (9) in buffer contact with the top of the workpiece is arranged on the bottom surface of the pressing plate.
6. The quick-assembly tack welding device for longitudinal welds of thin-walled cylinders of different diameters of claim 1, comprising: the bearing groove is formed in the shaft shoulder of the rotating seat (3) facing one surface of the top surface of the supporting seat (1), a thrust ball bearing (14) is arranged in the bearing groove, and a seat ring of the thrust ball bearing is seated on the top surface of the supporting seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811065513.5A CN109014734B (en) | 2018-09-13 | 2018-09-13 | Rapid assembling positioning welding device for longitudinal welding seams of thin-wall cylinders with different diameters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811065513.5A CN109014734B (en) | 2018-09-13 | 2018-09-13 | Rapid assembling positioning welding device for longitudinal welding seams of thin-wall cylinders with different diameters |
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| CN109014734A CN109014734A (en) | 2018-12-18 |
| CN109014734B true CN109014734B (en) | 2021-02-23 |
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| CN109604917A (en) * | 2018-12-21 | 2019-04-12 | 中煤北京煤矿机械有限责任公司 | Hydraulic support thrusting rod special welding overturning tire |
| CN110977278B (en) * | 2019-11-15 | 2021-11-16 | 上海新力动力设备研究所 | Solid rocket engine shell cable cover support welding butt joint device |
| CN111992962A (en) * | 2020-09-15 | 2020-11-27 | 安徽星马专用汽车有限公司 | Intelligent series bulk vehicle air compressor base positioning tool and using method |
| CN112404714B (en) * | 2020-10-27 | 2022-06-10 | 中国核动力研究设计院 | Hollow cylinder welding method and welding tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1712090A1 (en) * | 1988-06-20 | 1992-02-15 | Институт Электросварки Им.Е.О.Патона | Machine for welding with arc rotating in magnetic |
| CN102729076A (en) * | 2011-04-14 | 2012-10-17 | 江苏威立机电制造有限公司 | Large-diameter thin-walled cylinder body clamping mechanism |
| CN206795643U (en) * | 2017-04-19 | 2017-12-26 | 成都飞机工业（集团）有限责任公司 | A kind of modular catheter positioner |
| CN207386954U (en) * | 2017-10-19 | 2018-05-22 | 河南森源重工有限公司 | A kind of pipe group welding positioning tool |
| CN108500445A (en) * | 2018-06-05 | 2018-09-07 | 贵州航天天马机电科技有限公司 | A kind of agitating friction for cylinder longitudinal seam fixes mounted welder and welding method |
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