CN114799589A - Plate welding deformation prevention device and plate welding deformation prevention method - Google Patents
Plate welding deformation prevention device and plate welding deformation prevention method Download PDFInfo
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- CN114799589A CN114799589A CN202210504178.4A CN202210504178A CN114799589A CN 114799589 A CN114799589 A CN 114799589A CN 202210504178 A CN202210504178 A CN 202210504178A CN 114799589 A CN114799589 A CN 114799589A
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- 238000003466 welding Methods 0.000 title claims abstract description 136
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000002265 prevention Effects 0.000 title claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 113
- 230000001681 protective effect Effects 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 14
- 230000001360 synchronised effect Effects 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000037452 priming Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 230000007306 turnover Effects 0.000 description 3
- 230000003064 anti-oxidating effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/003—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to controlling of welding distortion
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Abstract
The application provides a plate welding anti-deformation device and a plate welding anti-deformation method, wherein a plurality of synchronous automatic lifting mechanisms are arranged below a rectangular supporting plate; a U-shaped water circulation bracket extending along the length direction is arranged on the upper surface of the rectangular supporting plate, and a protective gas filling pipe extending along the length direction is arranged in an inner cavity in the middle of the U-shaped water circulation bracket; a first protective gas sealing gasket, a gasket and a second protective gas sealing gasket are sequentially arranged above the filter screen along the length direction; two rows of pressure sensors are arranged on the rectangular supporting plate at intervals and are respectively abutted against two opposite outer side walls of the U-shaped water circulation bracket; two rows of spring clamps which can move along the width direction are arranged on the U-shaped water circulation bracket at intervals along the width direction, and the two rows of spring clamps are respectively abutted against two opposite outer side walls of the pad. The device can improve the protection effect of waiting to process panel, and can ensure welding seam welding quality.
Description
Technical Field
The application relates to the field of constructional engineering, in particular to a plate welding anti-deformation device and a plate welding anti-deformation method.
Background
The welding method is characterized in that a large number of plates of different thicknesses and different materials are welded on an engineering construction site or a steel product processing workshop, a single-side welding and double-side forming welding process is largely used for saving crane shifts and turn-over time and improving production efficiency, welding defects such as high-temperature deformation of a clamping device, large reserved gap, weak liner attachment, welding leakage, overhigh back weld joint forming, slag inclusion, air holes and the like occur, and the welding quality cannot be guaranteed due to welding magnetic blow during clamping by a magnetic conductance clamp; in addition, the limitation of the field and the lifting appliance cannot meet the requirement of accurate pre-deformation angle of the plate to be processed, so that welding deformation is caused, a plurality of complicated procedures can be brought to subsequent work, and the whole working efficiency cannot be improved.
Disclosure of Invention
An object of the present application is to provide a plate welding deformation prevention device and a plate welding deformation prevention method, so as to solve the problem that the welding quality is low due to deformation in the existing plate welding.
The technical scheme of the application is as follows:
a plate welding anti-deformation device comprises a positioning platform, wherein a rectangular through hole penetrating through the top and the bottom is formed in the positioning platform, and a lifting rectangular supporting plate is arranged in the rectangular through hole; a plurality of synchronous automatic lifting mechanisms are arranged below the rectangular supporting plate and used for driving the rectangular supporting plate to lift in the rectangular through hole; a U-shaped water circulation supporting groove extending along the length direction is arranged on the upper surface of the rectangular supporting plate, a protective gas filling pipe extending along the length direction is arranged in a sealed inner cavity in the middle of the U-shaped water circulation supporting groove, a plurality of small flow dividing holes are uniformly distributed on two side walls of the protective gas filling pipe at intervals, and a filter screen is laid above the protective gas filling pipe; the filter screen is positioned in the arc-shaped opening of the U-shaped water circulation bracket and is arranged along the length direction of the U-shaped water circulation bracket; a first protective gas sealing gasket, a liner and a second protective gas sealing gasket are sequentially arranged above the filter screen along the length direction; two rows of pressure sensors are arranged on the rectangular supporting plate at intervals and are respectively abutted against two opposite outer side walls of the U-shaped water circulation bracket for detecting the bonding force of the gasket; the U-shaped water circulation bracket is provided with two rows of spring clamps which can move along the width direction at intervals along the width direction, and the two rows of spring clamps are respectively abutted against two opposite outer side walls of the gasket and used for limiting the gasket.
As a technical scheme of the application, the U-shaped water circulation bracket comprises a first side end cover plate, a U-shaped groove, a partition plate, a top supporting plate and a second side end cover plate; the U-shaped groove is arranged on the upper surface of the rectangular supporting plate along the length direction of the rectangular supporting plate, and the opening of the U-shaped groove is upward; the separation plate is integrally arranged in the middle of the bottom plate of the U-shaped groove along the length direction of the U-shaped groove and divides the U-shaped groove into two sealed cavities; the first side end cover plate and the second side end cover plate are respectively sealed and arranged at two opposite side ends of the U-shaped groove; the top supporting plate sealing cover is arranged on the upper surface of the U-shaped groove, and an arc-shaped supporting groove penetrating through the bottom is formed in the middle of the top supporting plate along the length direction; the protective gas filling pipe is arranged in a gap between the arc-shaped bracket and the partition plate, and one end of the protective gas filling pipe penetrates out of the first side end cover plate.
As a technical scheme of the application, two rows of first T-shaped grooves with inverted T-shaped cross sections are arranged at intervals on the top supporting plate along the width direction, and each row of the first T-shaped grooves extends from the middle part of the top supporting plate to the outside of the side wall; the first T-shaped groove is internally provided with the spring clamp which can move along the width direction of the top supporting plate, and one edge of the top surface of the first T-shaped groove is provided with scale marks for positioning the sliding position of the spring clamp.
As an aspect of the present application, the gasket includes a copper gasket, a steel gasket, or a ceramic gasket.
As a technical scheme of the application, a sealed inner cavity of the U-shaped water circulation bracket is respectively connected to one end of a water inlet hose and one end of a water outlet hose, the other end of the water inlet hose is connected to a circulation water tank through a first electronic valve, and the other end of the water outlet hose is connected to the circulation water tank through a second electronic valve; and the circulating water tank is also connected with a replenishing water pipe.
As a technical scheme of the application, the synchronous automatic lifting mechanism comprises a first lifting hydraulic cylinder which is used for adjusting the height of the U-shaped water circulation bracket.
As a technical scheme of the application, a plurality of second T-shaped grooves with inverted T-shaped cross sections are arranged on the positioning platform in parallel at intervals, the plurality of second T-shaped grooves are respectively arranged outside two opposite sides of the rectangular supporting plate at intervals, and a clamping structure capable of sliding along a direction parallel to the length direction of the rectangular supporting plate is arranged in each second T-shaped groove and used for clamping plates with different sizes and different thicknesses; the clamping structures are arranged in two rows, and each row of the clamping structures are arranged at intervals along the length direction of the positioning platform.
As a technical scheme of the application, the clamping structure comprises a T-shaped sliding block with an inverted T-shaped section, a first screw, a second screw, a nut and a clamping block; scale marks are arranged along the length direction of one edge of the top surface of the second T-shaped groove and used for positioning the sliding position of the T-shaped sliding block; the T-shaped sliding block is slidably arranged in the second T-shaped groove, and the top surface of the T-shaped sliding block is flush with the top surface of the second T-shaped groove; the first screw and the second screw are fixedly arranged on the top of the T-shaped sliding block at intervals; the clamping block is in threaded connection with the first screw and the second screw through the nut in a height-adjustable mode and is used for clamping different plates.
As a technical scheme of the application, two rows of mounting grooves penetrating through the top surface are uniformly formed in the positioning platform at intervals, the two rows of mounting grooves are respectively positioned outside two opposite sides of the rectangular through hole at intervals, and a circular connecting hole penetrating through the top and the bottom is formed in the bottom of each mounting groove; every the below of circular connecting hole all is provided with second hydraulic cylinder, second hydraulic cylinder's drive end passes circular connecting hole extends in the mounting groove, and the transmission connect in the regulating block in the mounting groove for adjust the height of regulating block.
The plate welding deformation prevention method adopts the plate welding deformation prevention device for welding and comprises the following steps:
firstly, adjusting the top surfaces of two rows of adjusting blocks outside two opposite sides of the rectangular through hole on the positioning platform to be at the same plane height with the positioning platform, and adjusting the U-shaped water circulation bracket to be 200mm lower than the rectangular through hole of the positioning platform;
selecting single-side welding and double-side forming welding according to the process requirements;
paving two plates with single-side grooves on two sides of the rectangular through hole of the positioning platform respectively, and cleaning the grooves of the plates and the range of the plates which is 20mm away from the grooves;
step four, adjusting the straightness, the gap and the center position of the groove of the two plates;
fifthly, adjusting the reserved deformation of the plate by adjusting the heights of the two rows of adjusting blocks;
sixthly, adjusting the two plates to enable the grooves of the two plates to be adjacent to each other and the contact center line of the two grooves to be positioned at the position in the middle of the rectangular through hole, and locking the two plates by sliding a T-shaped sliding block;
seventhly, adjusting the height of the U-shaped water circulation bracket through the pressure sensor so that an arc-shaped opening on the upper surface of the U-shaped water circulation bracket is tightly attached to the grooves of the two plates;
step eight, starting a circulating water tank, a first electronic valve and a second electronic valve to carry out cooling protection on the sealed inner cavity of the U-shaped water circulating bracket;
step nine, starting the protective gas filling pipe to uniformly supply gas to the sealed inner cavity of the U-shaped water circulation bracket for protection;
tenthly, performing priming layer welding and filling layer welding on the grooves of the two plates, and monitoring and adjusting the welding deformation allowance of the two plates in real time by adjusting the heights of the two rows of adjusting blocks and the height of the synchronous automatic lifting mechanism in the filling layer welding process;
step eleven, after the two plates are welded, closing the protective gas filling pipe, loosening the clamping structure, adjusting the adjusting block and the U-shaped water circulation bracket to the position of the positioning platform at the same height, and moving out the two plates.
The beneficial effect of this application:
in the plate welding anti-deformation device and the plate welding anti-deformation method, the clamping device is simple in operation, the labor intensity is reduced, the welding efficiency is improved, and the clamping device is automatically operated, the device is safe and efficient, the labor intensity can be reduced, the welding quality of a welding seam is improved, the problems of high-temperature deformation of a bracket, back anti-oxidation protection and different forming widths of the back of the welding seam are effectively solved, the problem of deformation of the plate surface of the welded welding seam is solved, the problem of automatic adjustment pre-deformation is solved, and the intensity of field pasting and tearing gaskets, repeated repair of welding defects and repeated face turning labor of a crane is reduced. The U-shaped water circulation bracket of the device solves the problem of high-temperature deformation of the welding platform and plates, the first protective gas sealing gasket and the second protective gas sealing gasket which are resistant to high temperature are added, the protection effect is improved, and the welding quality of welding seams can be ensured. Meanwhile, the first T-shaped groove, the spring clamp, the scale marks and the pressure sensors are designed, so that the liner can be positioned accurately and attached tightly in a synchronous matching mode. In addition, the device integrates multiple purposes of adjustable multiple welding gaskets, namely single-side welding and double-side forming circulating water cooling and gas protection U-shaped bracket, can flexibly change copper gaskets or steel gaskets or ceramic gaskets according to on-site requirements, and ensures the welding quality through automatic adjustment of the pressure sensor. Meanwhile, the device achieves the purpose of adjusting the position of the plate to control the welding deformation at any time by designing the clamping structure, and further improves the welding quality.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also derive other related drawings based on these drawings without inventive effort.
Fig. 1 is a schematic view illustrating an installation of a plate welding deformation prevention device and a plate according to an embodiment of the present application;
FIG. 2 is a schematic structural view of a plate welding deformation prevention device provided in the embodiment of the present application;
fig. 3 is a schematic view of a first angular structure of a plate welding deformation prevention device according to an embodiment of the present application;
fig. 4 is a schematic structural view of a second angle of the plate welding deformation prevention device provided in the embodiment of the present application;
FIG. 5 is a schematic view of a U-shaped water-circulating bracket structure provided in an embodiment of the present application;
FIG. 6 is a schematic view of a first angle structure of a U-shaped water-circulating bracket provided by an embodiment of the application;
FIG. 7 is a schematic diagram of a second angle structure of a U-shaped water-circulating bracket provided by the embodiment of the application;
FIG. 8 is a schematic diagram of a third angle structure of a U-shaped water-circulating bracket provided by an embodiment of the application;
FIG. 9 is a schematic view of the connection between the U-shaped water circulation bracket and the water circulation tank provided by the embodiment of the application;
fig. 10 is a schematic view of a clamping structure provided in an embodiment of the present application.
Icon: 1-positioning a platform; 2-a plate material; 3-a rectangular supporting plate; 4-a first hydraulic lifting cylinder; 5-U-shaped water circulation bracket; 6-protective gas filling pipe; 7-a filter screen; 8-a first protective gas seal; 9-a liner; 10-a second protective gas seal; 11-a pressure sensor; 12-a spring clip; 13-a first side end cover plate; 14-a U-shaped slot; 15-a partition plate; 16-a top pallet; 17-a second side end cover plate; 18-a first T-shaped slot; 19-water inlet hose; 20-water outlet hose; 21-a circulating water tank; 22-a second T-shaped slot; 23-a clamping structure; 24-T shaped slide block; 25-a screw cap; 26-a clamping block; 27-a second hydraulic lifting cylinder; 28-a regulating block; 29-integrated controller.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.
Further, in the present application, unless expressly stated or limited otherwise, the first feature may be directly contacting the second feature or may be directly contacting the second feature, or the first and second features may be contacted with each other through another feature therebetween, not directly contacting the second feature. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Example (b):
referring to fig. 1 and fig. 2 to 10 in combination, the application provides a plate welding deformation prevention device, which is mainly applied to the situations of single-side welding and double-side forming welding of different materials with different thicknesses and welding deformation prevention in a field working environment, is used for solving the problem of high-temperature deformation of a welding platform and plates and improving the welding quality of welding seams, and achieves the purpose of controlling welding deformation at any time by integrating multiple adjustable welding gaskets 9, single-side welding and double-side forming circulating water cooling and gas protection arc brackets, flexibly changing the copper gaskets 9 or the steel gaskets 9 or the ceramic gaskets 9 according to field requirements, automatically adjusting the welding quality through a pressure sensor 11, and designing an adjusting block 28 and a second T-shaped groove 22.
The device mainly comprises a positioning platform 1, wherein the positioning platform 1 is of a cuboid structure, a rectangular through hole penetrating through the top and the bottom is formed in the middle of the positioning platform 1, and the rectangular through hole is rectangular and used for automatically lifting a U-shaped water circulation bracket 5 and laying a welding plate 2; meanwhile, a lifting rectangular supporting plate 3 is arranged in the rectangular through hole, and the rectangular supporting plate 3 is rectangular and used for lifting the U-shaped water circulation bracket 5; be provided with a plurality of synchronous automatic lifting mechanism in the below of rectangle layer board 3, specifically, this synchronous automatic lifting mechanism can adopt first hydraulic cylinder 4 among the prior art, and the quantity of first hydraulic cylinder 4 can be one, two, three etc. and first hydraulic cylinder 4 is vertical to be placed, and its drive end fixed connection is in the bottom of rectangle layer board 3 for rise and fall adjust U-shaped water circulation support groove 5 or various liner 9 and the inseparable laminating of welding seam face. The first lifting hydraulic cylinder 4 is started, so that the rectangular supporting plate 3 can be driven to lift in the rectangular through hole, and the height of the rectangular supporting plate 3 is further adjusted. The rectangular pallet 3 extends in the width direction of the positioning table 1.
The upper surface of the rectangular supporting plate 3 is provided with a U-shaped water circulation bracket 5 extending along the length direction of the rectangular supporting plate 3, and the U-shaped water circulation bracket is used for cooling and controlling deformation of welding seams and two side plate surfaces. The U-shaped water circulation bracket 5 comprises a first side end cover plate 13, a U-shaped groove 14, a partition plate 15, a top supporting plate 16 and a second side end cover plate 17, wherein the U-shaped groove 14 is fixedly arranged on the upper surface of the rectangular supporting plate 3 along the length direction of the rectangular supporting plate 3, and the opening of the U-shaped groove 14 is upward; the partition plate 15 is fixedly arranged at the middle part of the bottom plate of the U-shaped groove 14 along the length direction of the U-shaped groove 14 in an integrated forming manner, and divides the sealing inner cavity of the U-shaped groove 14 into two sealing cavities; the first side end cover plate 13 and the second side end cover plate 17 are respectively sealed and arranged at two opposite side ends of the U-shaped groove 14; meanwhile, the sealing cover of the top supporting plate 16 is arranged on the upper surface of the U-shaped groove 14, an arc-shaped bracket penetrating through the bottom is arranged in the middle of the top supporting plate 16 along the length direction, namely, the arc-shaped bracket is positioned right above the splitter plate 15, the arc-shaped bracket is provided with an arc-shaped opening with an upward opening and an arc-shaped structure on the inner surface, the arc-shaped opening penetrates through the top bottom of the arc-shaped bracket, the arc-shaped bracket is communicated with the splitter plate 15 through the arc-shaped opening, and a certain mounting gap is arranged between the two, which can just be used for mounting the protective gas filling pipe 6, the protective gas filling pipe 6 can just be placed on the top surface of the partition plate 15 and clamped in the mounting gap formed by the arc-shaped bracket and the partition plate 15, moreover, two contact surfaces of the arc bracket contacted with two opposite side surfaces of the protective gas filling pipe 6 are arc surfaces, the two arc surfaces of the protective gas filling pipe are matched with the two opposite side surfaces of the protective gas filling pipe 6 in a corresponding way; meanwhile, the length of the protective gas filling pipe 6 is similar to that of the partition plate 15, and one end of the protective gas filling pipe 6 penetrates through the first side end cover plate 13 and is used for being communicated with the inflating device; and the protective gas filling pipe 6 extends along the length direction of the U-shaped water circulation bracket 5, and a plurality of shunting small holes are uniformly distributed on two opposite side walls at intervals and used for carrying out anti-oxidation protection on welding seams and gaps of the gasket 9. A filter screen 7 is laid right above the protective gas filling pipe 6 and used for filtering welding slag and uniformly shunting airflow from the small holes.
The filter screen 7 is positioned in the arc-shaped opening of the U-shaped water circulation bracket 5 and is arranged along the length direction of the U-shaped water circulation bracket 5; a first protective gas sealing gasket 8, a gasket 9 and a second protective gas sealing gasket 10 are sequentially and hermetically arranged above the filter screen 7 along the length direction; the gasket 9 can adopt a copper gasket 9, a steel gasket 9 or a ceramic gasket 9 and the like in the prior art, and is used for single-side welding of welding seams with various gaps and thicknesses; the first protective gas seal 8 and the second protective gas seal 10 are used for sealing the air chamber of the U-shaped groove 14.
Meanwhile, two rows of pressure sensors 11 are arranged on the rectangular supporting plate 3 at intervals, the two rows of pressure sensors 11 are respectively abutted to two opposite outer side walls of a U-shaped groove 14 of the U-shaped water circulation bracket 5, the two rows of pressure sensors 11 are in one-to-one correspondence, the distance between the pressure sensors 11 in the same row can be equal, and the pressure sensors 11 can be used for detecting the bonding force of the gasket 9 and automatically controlling the bonding force.
In addition, the top supporting plate 16 is provided with two rows of first T-shaped grooves 18 with inverted T-shaped cross sections at intervals in the width direction, the two rows of first T-shaped grooves 18 are arranged at intervals and are respectively positioned outside two opposite sides of the arc-shaped opening of the top supporting plate 16 at intervals, each row of first T-shaped grooves 18 extend from the outer side wall of the arc-shaped opening to the outer side wall of the top supporting plate 16, each row of first T-shaped grooves 18 extends along the length direction of the top supporting plate 16, the two rows of first T-shaped grooves 18 are in one-to-one correspondence, and the intervals between the first T-shaped grooves 18 in the same row are the same. Scale marks are arranged on one side of the upper surface of each first T-shaped groove 18, and the scale marks extend along the length direction of the first T-shaped groove 18 and are used for measuring the moving position of the spring clamp 12; meanwhile, the spring clips 12 capable of moving along the width direction of the top supporting plate 16 are arranged in each first T-shaped groove 18, two rows of spring clips 12 are distributed on two opposite outer sides of the arc-shaped opening at intervals, the two rows of spring clips 12 correspond to each other one by one, and the distances between the spring clips 12 in the same row are the same. Meanwhile, two rows of spring clips 12 abut against two opposite outer side walls of the pad 9 respectively and are used for positioning and fixing various types and sizes of the pads 9.
Furthermore, a water inlet and a water outlet are respectively arranged on the sealed cavity of the U-shaped groove 14; one end of the water inlet hose 19 is connected to the circulating water tank 21 through a first electronic valve, and the other end is connected to the water inlet; one end of the water outlet hose 20 is connected to the circulation water tank 21 through a second electronic valve, and the other end is connected to the water outlet. The water inlet hose 19 and the water outlet hose 20 are flexibly connected during up-and-down movement; the water in the circulating water tank 21 enters the sealed cavity through the water inlet hose 19 to cool the U-shaped water circulating bracket 5, and then returns to the circulating water tank 21 through the water outlet hose 20; the first electronic valve and the second electronic valve control the inlet and outlet circulating water. In addition, a replenishing water pipe and a controller are connected to the circulating water tank 21, and the controller is electrically connected with the first electronic valve and the second electronic valve respectively and used for controlling the circulating water quantity and the water pressure; and, the controller adopts a conventional structure in the prior art.
The device is safe and efficient, can reduce the labor intensity, improves the welding quality of welding seams, effectively solves the problems of high-temperature deformation of the bracket, back oxidation resistance protection and different forming widths of the back of the welding seams, solves the problem of deformation of the plate surface of the welding seam after welding, solves the problem of automatic adjustment pre-deformation, and reduces the labor intensity of field pasting, tearing of the liner 9, repeated repair of welding defects and repeated turnover of a crane.
Furthermore, a plurality of second T-shaped grooves 22 with inverted T-shaped cross sections are arranged on the positioning platform 1 in parallel at intervals, the second T-shaped grooves 22 extend along the width direction of the positioning platform 1 and penetrate through two opposite outer side walls of the positioning platform 1, meanwhile, the plurality of second T-shaped grooves 22 are respectively arranged outside two opposite sides of the rectangular supporting plate 3 at intervals, and a clamping structure 23 capable of sliding along a direction parallel to the length direction of the rectangular supporting plate 3 is arranged in each second T-shaped groove 22 and used for clamping plates 2 with different sizes and different thicknesses; the clamping structures 23 are arranged in two rows, and each row of the clamping structures 23 is arranged at intervals along the length direction of the positioning platform 1.
Specifically, the clamping structure 23 comprises a T-shaped slider 24 with an inverted T-shaped cross section, a first screw, a second screw, a nut 25 and a clamping block 26; wherein, the top surface of the second T-shaped groove 22 is provided with scale marks along the length direction for positioning the sliding position of the T-shaped sliding block 24; meanwhile, the T-shaped slider 24 is slidably mounted in the second T-shaped groove 22 with the top surface flush with the top surface of the second T-shaped groove 22; in addition, the first screw and the second screw are fixedly arranged on the top of the T-shaped sliding block 24 at intervals; the clamping block 26 is screwed to the first and second screws in a height adjustable manner by adjusting the height of the nut 25, and thus can be used to clamp the panels 2 of different sizes and different thicknesses.
Meanwhile, two rows of mounting grooves penetrating through the top surface are uniformly formed in the positioning platform 1 at intervals, the two rows of mounting grooves are respectively arranged outside two opposite sides of the rectangular through hole at intervals and between the two rows of second T-shaped grooves 22, and the two rows of mounting grooves extend along the width direction of the positioning platform 1. And, the bottom of every mounting groove all is seted up the circular connecting hole that runs through the top end, all is provided with second hydraulic cylinder 27 in the below of every circular connecting hole, and the drive end of second hydraulic cylinder 27 passes circular connecting hole and extends in the mounting groove, and the adjusting block 28 of transmission connection in the mounting groove for adjust the height of adjusting block 28, adjusting block 28 is arranged in prefabricating the anti-deformation before the welding and sets up and welding in-process welding seam deformation adjustment.
In addition, one side of the rectangular hole platform is provided with an integrated controller 29 and a control panel for integrated automatic adjustment and control in the welding process. The integrated controller 29 and the control panel are conventional in the art, and the detailed structure and operation principle thereof are not described herein.
The integrated controller 29 is electrically connected to the first hydraulic cylinder 4, the second hydraulic cylinder 27, the electric roller installed inside the positioning platform 1, the pressure sensor 11, the circulation water tank 21, the first electronic valve, the second electronic valve, and the electronic valve on the shielding gas filling pipe 6 through a control panel. It is mainly used for controlling the operation of the following structures: (1) the opening or closing of the first lifting hydraulic cylinder 4 below the rectangular supporting plate 3 is controlled, and the height of the U-shaped water circulation bracket 5 required before, during and after welding is adjusted. (2) The heights of the plurality of adjusting blocks 28 at the two sides of the rectangular through hole in the middle of the positioning platform 1 are controlled so as to adjust any height required by pre-deformation before welding, in the welding process and after welding of the welding plate 2. (3) And controlling and installing the electric roller embedded in the positioning platform 1 so as to move the plate 2 back and forth or left and right. (4) Receives data measured by the pressure sensor 11. (5) The flow of water in the circulation water tank 21 is controlled to perform a cooling process for the U-shaped water-circulating brackets 5. (6) And controlling an electronic valve on the protective gas filling pipe 6 to uniformly supply gas to the sealed inner cavity of the U-shaped water circulation bracket 5 for protection and the like.
Further, this embodiment also provides a method for preventing deformation during welding of plates, which mainly uses the above device for preventing deformation during welding of plates, and includes the following steps:
firstly, adjusting the top surfaces of two rows of adjusting blocks 28 outside two opposite sides of a rectangular through hole on a positioning platform 1 to be at the same height with the positioning platform 1, and adjusting a U-shaped water circulation bracket 5 to be 200mm lower than the rectangular through hole of the positioning platform 1; the actions can be synchronously and automatically completed at one time through the integrated controller 29;
selecting single-side welding double-side forming welding (the U-shaped water circulation bracket 5 does not need the pad 9 for assistance) or pad 9 for assistance welding (ceramic, copper, steel pads 9 and the like with corresponding process standards are laid above the U-shaped water circulation bracket 5) according to process requirements, and locking the U-shaped water circulation bracket 5 for standby through a plurality of spring clamps 12;
step three, paving two processed plates 2 with single-side grooves outside two sides of the rectangular through hole of the positioning platform 1 respectively, and cleaning the grooves of the plates 2 and the range of the plates 2 which is 20mm away from the grooves;
step four, adjusting the process requirement gap of the two plates 2 through an electric roller, and performing pairing and point fixing;
step five, adjusting the reserved deformation of the plate 2 by adjusting the heights of the two rows of adjusting blocks 28;
step six, finely adjusting the assembled plates 2 front, back, left and right so that the grooves of the two plates 2 are adjacent to each other and the contact center line of the two grooves is positioned at the middle of the rectangular through hole, and locking the two plates 2 through a sliding T-shaped sliding block 24;
seventhly, adjusting the height of the U-shaped water circulation bracket 5 (comprising ceramic, copper and steel gaskets 9) through a pressure sensor 11 so as to enable an arc-shaped opening on the upper surface of the U-shaped water circulation bracket 5 to be tightly attached to the grooves of the two plates 2;
step eight, starting a water circulation system (which comprises a circulation water tank 21, a first electronic valve, a second electronic valve and the like) to cool and protect the U-shaped water circulation bracket 5;
step nine, starting a gas protection system (which comprises a protective gas filling pipe 6) to uniformly supply gas to the sealed inner cavity of the U-shaped water circulation bracket 5 for protection;
tenthly, performing priming layer welding and filling layer welding on the grooves of the two plates 2, and monitoring and adjusting the welding deformation allowance of the two plates 2 in real time by adjusting the heights of the two rows of adjusting blocks 28 and the height of the synchronous automatic lifting mechanism in the filling layer welding process;
step eleven, after the two plates 2 are welded, closing the protective gas filling pipe 6, loosening the clamping structure 23, adjusting the adjusting block 28 and the U-shaped water circulation bracket 5 to the position at the same height of the positioning platform 1, moving out the two plates 2, and laying a standby groove plate to prepare for welding the next plate 2.
In the second step, single-side welding and double-side forming welding or liner auxiliary welding can be respectively carried out according to the requirements of the welding process of field construction; the single-side welding double-side forming operation is that before welding, a pad 9 does not need to be paved on the U-shaped water circulation bracket 5 in advance, and the U-shaped water circulation bracket 5 can be directly used for forming a sealed air chamber to perform the non-pad single-side welding double-side forming operation. The auxiliary welding of the pad 9 is to lay the pad 9 on the U-shaped water circulation bracket 5 in advance.
It should be noted that, in step four, the motorized roller may be installed and embedded inside the positioning platform 1, and is used for the sheet material 2 to move back and forth or left and right on the positioning platform 1, and when in use, the motorized roller may rise above the table top of the positioning platform 1, and then the sheet material 2 is adjusted to be paired, including adjusting the linearity, the gap, and the groove center position of the sheet material 2.
In the fifth step, a plurality of adjusting blocks 28 embedded into the positioning platform 1 are respectively arranged at two sides of the rectangular through hole in the middle of the positioning platform 1, and the reserved deformation of the plate 2 is used for lifting the adjusting blocks 28 when the plate 2 is deformed reversely, so that the bevel end of the plate 2 is slightly lifted up to form a certain angle with the table top of the positioning platform 1, that is, the pre-deformation adjustment is completed.
To sum up, in the plate welding anti-deformation device and the plate welding anti-deformation method of this application, it provides a simple operation, reduce intensity of labour, improve welding efficiency and automated operation's clamping device, the device is safe, high-efficient, can alleviate intensity of labour, improve welding seam welding quality, bracket high temperature deformation has effectively been solved, the back is anti-oxidant to be protected, the problem that the back of the welding seam takes shape the width and differs, the face deformation problem of postweld seam department has been solved, the problem of automatically regulated predeformation has been solved, the intensity of the on-the-spot pad 9 that tears, welding defect is reprocessed many times and the many times turn-over of crane work has been alleviateed. The U-shaped water circulation bracket 5 of the device solves the problem of high-temperature deformation of the welding platform and the plate 2, the high-temperature-resistant first protective gas sealing gasket 8 and the second protective gas sealing gasket 10 are added, the protection effect is improved, and the welding quality of a welding seam can be ensured. Meanwhile, by designing the first T-shaped groove 18, the spring clip 12, the scale marks and the plurality of pressure sensors 11, the accurate positioning and close fitting of the gasket 9 can be completed in a synchronous matching manner. In addition, the device integrates multiple purposes of adjustable multiple welding gaskets 9, namely single-side welding and double-side forming circulating water cooling and gas protection U-shaped brackets into a whole, can flexibly change the copper gaskets 9 or the steel gaskets 9 or the ceramic gaskets 9 according to the on-site requirements, and automatically adjusts and ensures the welding quality through the pressure sensor 11. Meanwhile, the device achieves the purpose of adjusting the position of the plate 2 to control the welding deformation at any time by designing the clamping structure 23, and further improves the welding quality.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The plate welding anti-deformation device is characterized by comprising a positioning platform, wherein a rectangular through hole penetrating through the top and the bottom is formed in the positioning platform, and a lifting rectangular supporting plate is arranged in the rectangular through hole; a plurality of synchronous automatic lifting mechanisms are arranged below the rectangular supporting plate and are used for driving the rectangular supporting plate to lift in the rectangular through hole; a U-shaped water circulation supporting groove extending along the length direction is arranged on the upper surface of the rectangular supporting plate, a protective gas filling pipe extending along the length direction is arranged in a sealed inner cavity in the middle of the U-shaped water circulation supporting groove, a plurality of small flow dividing holes are uniformly distributed on two side walls of the protective gas filling pipe at intervals, and a filter screen is laid above the protective gas filling pipe; the filter screen is positioned in the arc-shaped opening of the U-shaped water circulation bracket and is arranged along the length direction of the U-shaped water circulation bracket; a first protective gas sealing gasket, a liner and a second protective gas sealing gasket are sequentially arranged above the filter screen along the length direction; two rows of pressure sensors are arranged on the rectangular supporting plate at intervals and are respectively abutted against two opposite outer side walls of the U-shaped water circulation bracket for detecting the bonding force of the gasket; the U-shaped water circulation bracket is provided with two rows of spring clamps which can move along the width direction at intervals along the width direction, and the two rows of spring clamps are respectively abutted against two opposite outer side walls of the gasket and used for limiting the gasket.
2. The plate welding deformation prevention device according to claim 1, wherein the U-shaped water circulation bracket comprises a first side end cover plate, a U-shaped groove, a separation plate, a top support plate and a second side end cover plate; the U-shaped groove is arranged on the upper surface of the rectangular supporting plate along the length direction of the rectangular supporting plate, and the opening of the U-shaped groove is upward; the separation plate is integrally arranged in the middle of the bottom plate of the U-shaped groove along the length direction of the U-shaped groove and divides the U-shaped groove into two sealed cavities; the first side end cover plate and the second side end cover plate are respectively sealed and arranged at two opposite side ends of the U-shaped groove; the top supporting plate sealing cover is arranged on the upper surface of the U-shaped groove, and an arc-shaped supporting groove penetrating through the bottom is formed in the middle of the top supporting plate along the length direction; the protective gas filling pipe is arranged in a gap between the arc-shaped bracket and the partition plate, and one end of the protective gas filling pipe penetrates out of the first side end cover plate.
3. The plate welding deformation preventing device according to claim 2, wherein two rows of first T-shaped grooves with inverted T-shaped cross sections are arranged at intervals in the width direction of the top supporting plate, and each row of the first T-shaped grooves extends from the middle part of the top supporting plate to the outside of the side wall; the first T-shaped groove is internally provided with the spring clamp which can move along the width direction of the top supporting plate, and one edge of the top surface of the first T-shaped groove is provided with scale marks for positioning the sliding position of the spring clamp.
4. A sheet welding deformation prevention device according to claim 1, wherein said gasket comprises a copper gasket, a steel gasket or a ceramic gasket.
5. The plate welding deformation prevention device according to claim 1, wherein the sealed inner cavity of the U-shaped water circulation bracket is respectively connected to one end of a water inlet hose and one end of a water outlet hose, the other end of the water inlet hose is connected to a circulation water tank through a first electronic valve, and the other end of the water outlet hose is connected to the circulation water tank through a second electronic valve; and the circulating water tank is also connected with a replenishing water pipe.
6. The plate welding deformation prevention device according to claim 1, wherein the synchronous automatic lifting mechanism comprises a first lifting hydraulic cylinder for adjusting the height of the U-shaped water circulation bracket.
7. The plate welding deformation prevention device according to claim 1, wherein a plurality of second T-shaped grooves with inverted T-shaped cross sections are arranged on the positioning platform in parallel at intervals, the plurality of second T-shaped grooves are respectively arranged outside two opposite sides of the rectangular supporting plate at intervals, and a clamping structure capable of sliding along a direction parallel to the length direction of the rectangular supporting plate is arranged in each second T-shaped groove and used for clamping plates with different sizes and thicknesses; the clamping structures are arranged in two rows, and each row of the clamping structures are arranged at intervals along the length direction of the positioning platform.
8. The plate welding deformation preventing device of claim 7, wherein the clamping structure comprises a T-shaped sliding block with an inverted T-shaped cross section, a first screw, a second screw, a nut and a clamping block; scale marks are arranged along the length direction of one edge of the top surface of the second T-shaped groove and used for positioning the sliding position of the T-shaped sliding block; the T-shaped sliding block is slidably arranged in the second T-shaped groove, and the top surface of the T-shaped sliding block is flush with the top surface of the second T-shaped groove; the first screw and the second screw are fixedly arranged on the top of the T-shaped sliding block at intervals; the clamping block is in threaded connection with the first screw and the second screw through the nut in a height-adjustable mode and is used for clamping different plates.
9. The plate welding deformation prevention device according to claim 1, wherein two rows of mounting grooves penetrating through the top surface are uniformly formed in the positioning platform at intervals, the two rows of mounting grooves are respectively positioned outside two opposite sides of the rectangular through hole at intervals, and a circular connecting hole penetrating through the top and the bottom is formed in the bottom of each mounting groove; every the below of circular connecting hole all is provided with second hydraulic cylinder, second hydraulic cylinder's drive end passes circular connecting hole extends in the mounting groove, and the transmission connect in the regulating block in the mounting groove for adjust the height of regulating block.
10. A method for preventing deformation during plate welding, which is characterized in that the plate welding deformation preventing device of any one of claims 1 to 9 is used for welding, and comprises the following steps:
firstly, adjusting the top surfaces of two rows of adjusting blocks outside two opposite sides of the rectangular through hole on the positioning platform to be at the same plane height with the positioning platform, and adjusting the U-shaped water circulation bracket to be 200mm lower than the rectangular through hole of the positioning platform;
selecting single-side welding and double-side forming welding according to the process requirements;
paving two plates with single-side grooves on two sides of the rectangular through hole of the positioning platform respectively, and cleaning the grooves of the plates and the range of the plates which is 20mm away from the grooves;
step four, adjusting the straightness, the gap and the center position of the groove of the two plates;
fifthly, adjusting the reserved deformation of the plate by adjusting the heights of the two rows of adjusting blocks;
sixthly, adjusting the two plates to enable the grooves of the two plates to be adjacent to each other and the contact center line of the two grooves to be positioned at the position in the middle of the rectangular through hole, and locking the two plates by sliding a T-shaped sliding block;
seventhly, adjusting the height of the U-shaped water circulation bracket through the pressure sensor so that an arc-shaped opening on the upper surface of the U-shaped water circulation bracket is tightly attached to the grooves of the two plates;
step eight, starting a circulating water tank, a first electronic valve and a second electronic valve to carry out cooling protection on the sealed inner cavity of the U-shaped water circulating bracket;
starting the protective gas filling pipe to uniformly supply gas to the sealed inner cavity of the U-shaped water circulation bracket;
tenthly, performing priming layer welding and filling layer welding on the grooves of the two plates, and monitoring and adjusting the welding deformation allowance of the two plates in real time by adjusting the heights of the two rows of adjusting blocks and the height of the synchronous automatic lifting mechanism in the filling layer welding process;
step eleven, after the two plates are welded, closing the protective gas filling pipe, loosening the clamping structure, adjusting the adjusting block and the U-shaped water circulation bracket to the position at the same height of the positioning platform, and moving out the two plates.
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