CN116921934B - Steel plate welding device with angle control function for bridge support machining - Google Patents
Steel plate welding device with angle control function for bridge support machining Download PDFInfo
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- CN116921934B CN116921934B CN202311073511.1A CN202311073511A CN116921934B CN 116921934 B CN116921934 B CN 116921934B CN 202311073511 A CN202311073511 A CN 202311073511A CN 116921934 B CN116921934 B CN 116921934B
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- 238000003466 welding Methods 0.000 title claims abstract description 143
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 12
- 239000010959 steel Substances 0.000 title claims abstract description 12
- 238000003754 machining Methods 0.000 title description 2
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 238000003825 pressing Methods 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000006073 displacement reaction Methods 0.000 claims description 25
- 230000006698 induction Effects 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 11
- 230000009471 action Effects 0.000 description 10
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000005056 compaction Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 210000001503 joint Anatomy 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- 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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
-
- 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
- B23K37/0408—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work for planar work
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a steel plate welding device with an angle control function for bridge support processing, which is used for welding a workpiece, wherein the workpiece comprises a support plate and a spherical plate, the support plate and the spherical plate are welded into a whole by the welding device, the welding device comprises a supporting device, a driving device, a pressing mechanism and a welding head, the driving device is connected with the supporting device, the pressing mechanism is used for pressing the spherical plate and the support plate, the driving device comprises a pressing cylinder, a bearing plate and a driving motor, the supporting device comprises a machine body and an objective table, the objective table is used for bearing the workpiece, the driving motor is in fastening connection with the machine body, the output end of the driving motor is in transmission connection with the objective table, the pressing cylinder is in fastening connection with the machine body, the output end of the pressing cylinder is in transmission connection with the bearing plate, the bearing plate is in transmission connection with the welding head, and the bearing plate is in surface contact pressing of the support plate and the spherical plate by the pressing mechanism, so that the deflection force caused by point contact pressing is prevented, and the welding quality of the support plate and the spherical plate is influenced.
Description
Technical Field
The invention relates to the technical field of bridge support welding, in particular to a steel plate welding device with an angle control function for bridge support processing.
Background
The bridge support is generally composed of an upper support, a lower support and a spherical crown, wherein the upper support and the lower support are similar in structure and are composed of a support plate and a spherical plate, and the bridge support is formed by a welding process.
Compared with the inter-plate welding of the transmission, when the bridge support is welded, arc welding is needed, angle control adjustment is needed for weldments of different specifications, and otherwise, the welding requirements cannot be met. Because bridge support mainly used bridge span structure and pier pass power, welding quality has directly decided the life of later stage, and conventional welding set compresses tightly welding quality through supporting plate and sphere board when welding. However, in order to prevent motion interference, most of the welding heads can only perform point contact, thermal expansion is generated in the welding process, clamping flatness is easily affected, and welding uniformity is caused.
In addition, the welding liquid generated in the welding process can flow downwards along the welding seam, the flowing mode is only carried out passively under the influence of gravity, the flowing stroke is limited, the welding strength is not high, and the service life in the later force transmission process is influenced.
Disclosure of Invention
The invention aims to provide a steel plate welding device with an angle control function for bridge support processing, which solves the problems in the background art.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a bridge beam supports processing is with steel sheet welding set with angle control function, welding set is used for welding the work piece, the work piece includes saddle plate and sphere board, welding set welds saddle plate and sphere board into wholly, welding set includes strutting arrangement, drive arrangement, hold-down mechanism and soldered connection, drive arrangement and strutting arrangement connect, hold-down mechanism is used for compressing tightly sphere panel and saddle plate, drive arrangement includes down the pneumatic cylinder, bearing plate and driving motor, strutting arrangement includes organism and objective table, the objective table is used for bearing the work piece, driving motor and organism fastening connection, driving motor output and objective table transmission connection, push down pneumatic cylinder and organism fastening connection, push down pneumatic cylinder output and bearing plate transmission connection, bearing plate and soldered connection transmission connection.
The welding device is used for welding workpieces, the workpieces mainly comprise support plates and spherical panels, when the welding is carried out, welding seams are formed between the support plates and the spherical panels, the supporting device serves as a main supporting foundation, automatic feeding is carried out through an automatic feeding manipulator, the workpieces are placed on an objective table, the driving device serves as a main power source and is used for carrying out multi-angle control on welding joints, the welding device is suitable for welding workpieces of different specifications, the support plates and the spherical panels are subjected to surface contact compaction through the compaction mechanism, the deflection force is prevented from being caused by the point contact compaction, the welding quality of the support plates and the spherical panels is influenced, the driving motor is mounted on a machine body and used for outputting linear displacement, driving the bearing plates to move, thereby driving the welding joints to move, preventing motion interference when the workpieces are taken and placed, and assisting the position adjustment of the welding joints, and driving the workpieces to rotate through the objective table, so that annular welding is carried out.
Further, the compressing mechanism comprises a compression ring and a delay rod, the bearing plate is connected with the compression ring in a transmission way through the delay rod, the delay rod is movably connected with the compression ring, and the lower side of the compression ring is attached to the spherical plate.
The bearing plate downwardly extending is provided with an extension rod, the lower end of the extension rod is provided with a compression ring, after loading is completed, the bearing plate is driven to downwardly output displacement through the lower pressing cylinder, so that the compression ring compresses the ball panel on the support plate, surface contact is carried out, and stress uniformity is improved.
The compressing mechanism comprises a negative pressure fan, a flow guide seat and a suction nozzle, wherein an arc-shaped guide rail is arranged at the lower end of the flow guide seat, the arc-shaped guide rail is arranged on the machine body, the arc-shaped guide rail is arranged along the outer circle of the spherical plate, a negative pressure flow passage is arranged on the flow guide seat, a suction nozzle is arranged at the inlet of the negative pressure flow passage, the negative pressure fan is communicated with the outlet pipeline of the negative pressure flow passage, the suction nozzle faces towards the welding seam between the support plate and the spherical plate, and the suction nozzle is in arc-shaped arrangement.
The pressing mechanism can also adopt a surface compression joint mode of combining a negative pressure fan, a guide seat and a suction nozzle, the negative pressure fan is used for manufacturing a negative pressure source, the negative pressure fan is communicated with the suction nozzle through a negative pressure flow channel on the guide seat, the suction nozzle is arranged in an arc shape, a welding seam is attached, a seam is communicated with a gap between the support seat plate and the spherical surface plate, the negative pressure is manufactured between the support seat plate and the spherical surface plate, the air pressure of the support seat plate and the spherical surface plate is lower than the external air pressure, the contact surface of the support seat plate and the spherical surface plate is tightly attached under the action of pressure difference, and when welding is carried out, the support seat plate and the spherical surface plate are uniformly stressed, so that the welding uniformity is improved, and the partial abrasion of a spherical crown caused in the later use process is prevented; through making the negative pressure, when the welding, improve the inward flow property of welding fluid for the welding fluid infiltration degree of depth increases, makes welding strength increase, and arc guide rail is current guide rail, comprises slide rail, slide, gyro wheel and motor etc. and the gyro wheel is installed in the slide, through motor drive, makes the slide remove along the slide rail for provide convex displacement, adaptation arc welding seam, keep different under the initial state, when welding general welding seam, drive the water conservancy diversion seat and be close to the soldered connection, guarantee the continuity is made to the negative pressure.
Further, hold-down mechanism still includes the response subassembly, is equipped with the pressure sensing chamber on the water conservancy diversion seat, and negative pressure runner passes through pressure sensing chamber and negative pressure fan intercommunication, and the response subassembly includes the transmission oar, pressure sensing seat and pressure regulating spring, and pressure sensing seat is arranged in the pressure sensing chamber, and pressure sensing seat and pressure sensing chamber sliding connection, pressure sensing seat are close to negative pressure fan one side and pressure regulating spring one end butt, and the pressure regulating spring other end and pressure sensing chamber wall butt, and negative pressure runner export is towards the transmission oar axis upper strata.
The instantaneous air inflow of suction nozzle is detected through setting up the response subassembly, breathe in through the suction nozzle, and send into the pressure sensing intracavity with gas through the negative pressure runner, strike the paddle of driving oar, drive the driving oar and rotate, through the driving oar transmission, it slides along the pressure sensing chamber to drive the pressure sensing seat, compress the pressure regulating spring, along with owing to the welding seam does not weld the district reduce gradually, the cross-section reduces promptly, instantaneous air inflow reduces, the impact force of driving the driving oar reduces, under the spring force effect, it is reverse to drive the pressure sensing seat and remove, carry out real-time detection to the instantaneous air inflow of welding seam through the pressure sensing seat removal.
Further, the induction component further comprises a guide post and a coil, the guide post is in transmission connection with the pressure sensing seat, a detection cavity is formed in the guide post, the coil is arranged in the detection cavity, the axis of the guide post is collinear with the axis of the coil, the guide post is made of a magnet material, and the coil is electrically connected with the negative pressure fan.
When the pressure sensing seat moves reversely, namely when the air inlet section is reduced, the guide pillar is inserted into the coil, the coil cuts the magnetic induction line, induced current is generated, the input current of the negative pressure fan is controlled according to the magnitude of the induced current, the output power of the negative pressure fan is reduced, the pressure maintaining is carried out between the support plate and the spherical plate, the pressure between the support plate and the spherical plate is further reduced due to the fact that the negative pressure fan keeps equal power output, the spherical plate is further pressed towards the support plate, and welding is uneven.
As optimization, the pressure sensing seat is provided with a sealing plate on one side close to the negative pressure flow channel, and the lower side of the sealing plate is attached to the bottom end of the negative pressure flow channel. Through setting up the closing plate for when the pressure sensing seat moves to keeping away from negative pressure runner one side, the gap to produce is isolated, makes the air of efflux directly strike on the driving oar, is convenient for advance air detection.
As the optimization, drive arrangement still includes angle modulation subassembly, and bearing plate passes through angle modulation subassembly and soldered connection transmission and is connected, and angle modulation subassembly includes angle modulation motor and switching-over board, and the bearing plate is folded plate, angle modulation motor and bearing plate fastening connection, angle modulation motor output passes through switching-over board and soldered connection transmission. Angle control is carried out to the butt welding joint through setting up angle modulation subassembly, and angle modulation subassembly is installed in bearing plate one end, fixes angle modulation motor through the bearing plate, and when carrying out angle modulation, angle modulation motor output torque drives the welding joint through the switching-over board and rotates, adapts to the welding seam of different specifications.
As optimization, the angle adjusting assembly further comprises two displacement modules, the reversing plate is in transmission connection with the welding head through the two displacement modules, and linear displacement output by the two displacement modules is in a space vertical state. The two displacement modules are conventional modules and are used for outputting linear displacement, so that the welding head is driven by the reversing plate to conduct local fine adjustment.
As optimization, the bearing plate is provided with two pins, two reversing grooves are arranged at corresponding positions on the reversing plate, the two pins are inserted into the reversing grooves, and the two reversing grooves are arc-shaped. When the torque is output through the angle modulation motor, the two pins are inserted into the reversing groove to rotationally guide the reversing plate, so that the occurrence of lateral deviation is prevented, and the stability of the output torque is ensured.
Compared with the prior art, the invention has the following beneficial effects: the negative pressure fan is used for manufacturing a negative pressure source, the negative pressure flow channel on the flow guide seat is communicated with the suction nozzle, the suction nozzle is arranged in an arc shape, the welding seam is jointed, the welding seam is communicated with a gap between the support plate and the spherical surface plate, the negative pressure is manufactured between the support plate and the spherical surface plate, so that the air pressure of the support plate and the spherical surface plate is lower than the external air pressure, the contact surfaces of the support plate and the spherical surface plate are tightly jointed under the action of pressure difference, the support plate and the spherical surface plate are uniformly stressed when welding is performed, the welding uniformity is convenient to improve, and the partial abrasion of a spherical crown in the later use process is prevented; through manufacturing negative pressure, during welding, the inward flowing performance of the welding liquid is improved, so that the infiltration depth of the welding liquid is increased, and the welding strength is increased; the suction nozzle is used for sucking air, the air is sent into the pressure sensing cavity through the negative pressure flow channel, the blades of the transmission propeller are impacted, the transmission propeller is driven to rotate, the pressure sensing seat is driven to slide along the pressure sensing cavity, the pressure adjusting spring is compressed, as the welding seam non-welding area is gradually reduced, namely the air inlet section is reduced, the instantaneous air inflow is reduced, the impact force of the transmission propeller is reduced, the pressure sensing seat is driven to reversely move under the action of the elastic force of the spring, and the instantaneous air inflow of the welding seam is detected in real time through the movement of the pressure sensing seat; when the pressure sensing seat moves reversely, namely when the air inlet section is reduced, the guide pillar is inserted into the coil, the coil cuts the magnetic induction line, induced current is generated, the input current of the negative pressure fan is controlled according to the magnitude of the induced current, the output power of the negative pressure fan is reduced, the pressure maintaining is carried out between the support plate and the spherical plate, the pressure between the support plate and the spherical plate is further reduced due to the fact that the negative pressure fan keeps equal power output, the spherical plate is further pressed towards the support plate, and welding is uneven.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic general construction of the present invention;
FIG. 2 is a schematic drawing of negative pressure drainage of the present invention;
FIG. 3 is a schematic view of the angle control transmission of the present invention;
FIG. 4 is an enlarged view of part A of the view of FIG. 2;
FIG. 5 is a schematic view of an arcuate guide rail structure of the present invention;
FIG. 6 is an enlarged view of part B of the view of FIG. 3;
FIG. 7 is an enlarged view of part C of the view of FIG. 3;
in the figure: the device comprises a 1-supporting device, a 11-machine body, a 12-objective table, a 2-driving device, a 21-pressing cylinder, a 22-bearing plate, a 23-angle adjusting component, a 231-angle adjusting motor, a 232-reversing plate, a 233-pin, a 234-displacement module, a 24-driving motor, a 3-pressing mechanism, a 31-negative pressure fan, a 32-flow guiding seat, a 321-negative pressure runner, a 322-pressure sensing cavity, a 323-detecting cavity, a 33-suction nozzle, a 34-sensing component, a 341-transmission paddle, a 342-pressure sensing seat, a 343-sealing plate, a 344-pressure adjusting spring, a 345-guide pillar, a 346-coil, a 35-arc guide rail, a 4-welding head and a 5-workpiece.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides the technical scheme that:
embodiment one:
as shown in fig. 1 to 3, a steel plate welding device with an angle control function for bridge support processing is provided, the welding device is used for welding a workpiece 5, the workpiece 5 comprises a support plate and a spherical surface plate, the welding device welds the support plate and the spherical surface plate into a whole, the welding device comprises a supporting device 1, a driving device 2, a pressing mechanism 3 and a welding head 4, the driving device 2 is connected with the supporting device 1, the pressing mechanism 3 is used for pressing the spherical surface plate and the support plate, the driving device 2 comprises a pressing cylinder 21, a bearing plate 22 and a driving motor 24, the supporting device 1 comprises a machine body 11 and a stage 12, the stage 12 is used for bearing the workpiece 5, the driving motor 24 is in fastening connection with the machine body 11, the output end of the driving motor 24 is in transmission connection with the stage 12, the pressing cylinder 21 is in fastening connection with the machine body 11, the output end of the pressing cylinder 21 is in transmission connection with the bearing plate 22, and the bearing plate 22 is in transmission connection with the welding head 4.
The welding device is used for welding the workpiece 5, the workpiece 5 mainly comprises a support plate and a spherical surface plate, a welding seam is formed between the support plate and the spherical surface plate when welding is carried out, the support device 1 is used as a main support foundation, an automatic feeding manipulator is used for carrying out automatic feeding, the workpiece 5 is arranged on the objective table 12, the driving device 2 is used as a main power source and used for carrying out multi-angle control on the butt joint 4, the welding device is suitable for welding the workpieces 5 with different specifications, the support plate and the spherical surface plate are subjected to surface contact compaction through the compaction mechanism 3, the deflection force caused by the point contact compaction is prevented, the welding quality of the support plate and the spherical surface plate is influenced, the driving motor 24 is arranged on the machine body 11 and used for outputting linear displacement, driving the bearing plate 22 to move, thereby driving the welding head 4 to move, preventing movement interference caused when the workpiece 5 is taken and assisting in position adjustment of the butt joint 4, and driving the workpiece 5 to rotate through the objective table 12, and annular welding is carried out.
As shown in fig. 1, the pressing mechanism 3 comprises a pressing ring and a extending rod, the bearing plate 22 is in transmission connection with the pressing ring through the extending rod, the extending rod is movably connected with the pressing ring, and the lower side of the pressing ring is attached to the spherical plate.
The bearing plate 22 downwardly extending is provided with an extension rod, the lower end of the extension rod is provided with a compression ring, after loading is completed, the bearing plate 22 is driven to downwardly output displacement through the lower pressing cylinder 21, so that the compression ring compresses the ball panel on the support plate, surface contact is performed, and stress uniformity is improved.
Embodiment two:
as shown in fig. 2 to 6, the compressing mechanism 3 includes a negative pressure fan 31, a guide seat 32 and a suction nozzle 33, the lower end of the guide seat 32 is provided with an arc guide rail 35, the arc guide rail 35 is arranged on the machine body 11, the arc guide rail 35 is arranged along the outer circle of the spherical plate, the guide seat 32 is provided with a negative pressure runner 321, the inlet of the negative pressure runner 321 is provided with a suction nozzle 33, the negative pressure fan 31 is communicated with the outlet pipeline of the negative pressure runner 321, the suction nozzle 33 faces the welding seam between the support plate and the spherical plate, and the suction nozzle 33 is arranged in an arc shape.
The pressing mechanism 3 can also adopt a surface compression joint mode of combining a negative pressure fan 31, a guide seat 32 and a suction nozzle 33, wherein the negative pressure fan 31 is used for manufacturing a negative pressure source, the negative pressure flow channel 321 on the guide seat 32 is communicated with the suction nozzle 33, the suction nozzle 33 is arranged in an arc shape, a welding seam is attached to the welding seam, the welding seam is communicated with a gap between the support seat plate and the spherical plate, the negative pressure is manufactured between the support seat plate and the spherical plate, so that the air pressure of the support seat plate and the spherical plate is lower than the external air pressure, the contact surface of the support seat plate and the spherical plate is tightly attached under the action of pressure difference, and the support seat plate and the spherical plate are uniformly stressed when welding is performed, so that the welding uniformity is convenient to be improved, and the partial abrasion of a spherical crown in the later use process is prevented; through making the negative pressure, when the welding, improve the inward flow property of welding fluid for the welding fluid infiltration degree of depth increases, makes welding strength increase, and arc guide rail 35 is current guide rail, comprises slide rail, slide, gyro wheel and motor etc. and the gyro wheel is installed in the slide, through motor drive, makes the slide remove along the slide rail for provide convex displacement, adaptation arc welding seam, keep different under the initial state, when welding general welding seam, drive water conservancy diversion seat 32 and be close to welding head 4, guarantee the continuity is made to the negative pressure.
As shown in fig. 4, the pressing mechanism 3 further includes a sensing assembly 34, a pressure sensing cavity 322 is disposed on the flow guiding seat 32, the negative pressure runner 321 is communicated with the negative pressure fan 31 through the pressure sensing cavity 322, the sensing assembly 34 includes a driving blade 341, a pressure sensing seat 342 and a pressure regulating spring 344, the pressure sensing seat 342 is disposed in the pressure sensing cavity 322, the pressure sensing seat 342 is slidably connected with the pressure sensing cavity 322, one side of the pressure sensing seat 342 close to the negative pressure fan 31 is abutted against one end of the pressure regulating spring 344, the other end of the pressure regulating spring 344 is abutted against the wall surface of the pressure sensing cavity 322, and an outlet of the negative pressure runner 321 faces to an upper layer of a central axis of the driving blade 341.
The instantaneous air inflow of the 33 of the suction nozzle is detected through the induction component 34, the suction is carried out through the suction nozzle 33, air is fed into the pressure sensing cavity 322 through the negative pressure runner 321, the blades of the transmission paddle 341 are impacted, the transmission paddle 341 is driven to rotate, the pressure sensing seat 342 is driven to slide along the pressure sensing cavity 322, the pressure adjusting spring 344 is compressed, the instantaneous air inflow is reduced along with gradual reduction of the welding seam non-welding area, namely, the air inflow section is reduced, the impact force of the transmission paddle 341 is reduced, the pressure sensing seat 342 is driven to reversely move under the action of the spring force, and the instantaneous air inflow of the welding seam is detected in real time through the movement of the pressure sensing seat 342.
As shown in fig. 4, the induction assembly 34 further includes a guide post 345 and a coil 346, the guide post 345 is in transmission connection with the pressure sensing seat 342, the guide seat 32 is provided with a detection cavity 323, the coil 346 is disposed in the detection cavity 323, the axis of the guide post 345 and the axis of the coil 346 are collinear, the guide post 345 is made of a magnet material, and the coil 346 is electrically connected with the negative pressure fan 31.
When the pressure sensing seat 342 moves reversely, that is, when the air inlet section is reduced, the guide pillar 345 is inserted into the coil 346, the coil 346 cuts the magnetic induction line to generate induction current, the input current of the negative pressure fan 31 is controlled according to the magnitude of the induction current, the output power of the negative pressure fan 31 is reduced, the pressure between the support plate and the spherical plate is maintained, the pressure between the support plate and the spherical plate is further reduced due to the fact that the negative pressure fan 31 keeps equal power output, the spherical plate is further pressed towards the support plate, and welding is uneven.
As an optimization, a sealing plate 343 is arranged on one side of the pressure sensing seat 342 close to the negative pressure flow channel 321, and the lower side of the sealing plate 343 is attached to the bottom end of the negative pressure flow channel 321. Through setting up closing plate 343 for when the pressure sensing seat 342 moves to keeping away from negative pressure runner 321 one side, the gap to produce is isolated, makes the air of efflux directly strike on the driving oar 341, is convenient for advance air detection.
As shown in fig. 7, the driving device 2 further includes an angle adjusting assembly 23, the bearing plate 22 is in transmission connection with the welding head 4 through the angle adjusting assembly 23, the angle adjusting assembly 23 includes an angle adjusting motor 231 and a reversing plate 232, the bearing plate 22 is a folded plate, the angle adjusting motor 231 is in fastening connection with the bearing plate 22, and an output end of the angle adjusting motor 231 is in transmission connection with the welding head 4 through the reversing plate 232. Angle control is carried out on the welding joint 4 by arranging an angle adjusting assembly 23, the angle adjusting assembly 23 is arranged at one end of the bearing plate 22, an angle adjusting motor 231 is fixed through the bearing plate 22, and when angle adjustment is carried out, the angle adjusting motor 231 outputs torque, and the welding joint 4 is driven to rotate through a reversing plate 232 to adapt to welding seams of different specifications.
Preferably, the angle adjusting assembly 23 further comprises two displacement modules 234, the reversing plate 232 is in transmission connection with the welding head 4 through the two displacement modules 234, and linear displacement output by the two displacement modules 234 is in a space vertical state. The linear displacement is output through two displacement modules 234 arranged at ninety degrees, and the two displacement modules 234 are conventional modules and are used for outputting the linear displacement, so that the welding head 4 is driven by the reversing plate 232 to perform local fine adjustment.
As an optimization, the bearing plate 22 is provided with two pins 233, two reversing grooves are arranged at corresponding positions on the reversing plate 232, the two pins 233 are inserted into the reversing grooves, and the two reversing grooves are arc-shaped. When torque is output through the angle modulation motor 231, the two pins 233 are inserted into the reversing grooves to rotationally guide the reversing plate 232, so that lateral deviation is prevented, and the stability of the output torque is ensured.
The working principle of the invention is as follows: the negative pressure fan 31 is used for manufacturing a negative pressure source, the negative pressure flow channel 321 on the flow guide seat 32 is communicated with the suction nozzle 33, the suction nozzle 33 is arranged in an arc shape, a welding seam is attached, the welding seam is communicated with a gap between the support seat plate and the spherical surface plate, the negative pressure is manufactured between the support seat plate and the spherical surface plate, so that the air pressure of the support seat plate and the spherical surface plate is lower than the external air pressure, the contact surface of the support seat plate and the spherical surface plate is tightly attached under the action of pressure difference, the support seat plate and the spherical surface plate are uniformly stressed when welding is performed, the welding uniformity is convenient to improve, and the partial abrasion of a spherical crown in the later use process is prevented; through manufacturing negative pressure, during welding, the inward flowing performance of the welding liquid is improved, so that the infiltration depth of the welding liquid is increased, and the welding strength is increased; the suction nozzle 33 is used for sucking air, the air is sent into the pressure sensing cavity 322 through the negative pressure runner 321, the blades of the driving paddles 341 are impacted to drive the driving paddles 341 to rotate, the driving paddles 341 drive the pressure sensing seat 342 to slide along the pressure sensing cavity 322 to compress the pressure regulating spring 344, the impact force of the driving paddles 341 is reduced as the welding seam non-welding area gradually reduces, namely the air inlet section is reduced, the instantaneous air inlet amount is reduced, the pressure sensing seat 342 is driven to reversely move under the action of spring force, and the instantaneous air inlet amount of the welding seam is detected in real time through the movement of the pressure sensing seat 342; when the pressure sensing seat 342 moves reversely, that is, when the air inlet section is reduced, the guide pillar 345 is inserted into the coil 346, the coil 346 cuts the magnetic induction line to generate induction current, the input current of the negative pressure fan 31 is controlled according to the magnitude of the induction current, the output power of the negative pressure fan 31 is reduced, the pressure between the support plate and the spherical plate is maintained, the pressure between the support plate and the spherical plate is further reduced due to the fact that the negative pressure fan 31 keeps equal power output, the spherical plate is further pressed towards the support plate, and welding is uneven.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. Steel sheet welding set is used in bridge beam supports processing with angle control function, welding set is used for welding work piece (5), work piece (5) are including saddle board and sphere board, welding set welds saddle board and sphere board into wholly, its characterized in that: the welding device comprises a supporting device (1), a driving device (2), a pressing mechanism (3) and a welding head (4), wherein the driving device (2) is connected with the supporting device (1), the pressing mechanism (3) is used for pressing a ball panel and a support plate, the driving device (2) comprises a pressing cylinder (21), a bearing plate (22) and a driving motor (24), the supporting device (1) comprises a machine body (11) and an objective table (12), the objective table (12) is used for bearing a workpiece (5), the driving motor (24) is fixedly connected with the machine body (11), the output end of the driving motor (24) is in transmission connection with the objective table (12), the pressing cylinder (21) is fixedly connected with the machine body (11), the output end of the pressing cylinder (21) is in transmission connection with the bearing plate (22), and the bearing plate (22) is in transmission connection with the welding head (4).
The compressing mechanism (3) comprises a negative pressure fan (31), a flow guide seat (32) and a suction nozzle (33), wherein an arc-shaped guide rail (35) is arranged at the lower end of the flow guide seat (32), the arc-shaped guide rail (35) is arranged on the machine body (11), the arc-shaped guide rail (35) is arranged along the excircle of the spherical plate, a negative pressure flow passage (321) is arranged on the flow guide seat (32), the suction nozzle (33) is arranged at the inlet of the negative pressure flow passage (321), the negative pressure fan (31) is communicated with the outlet pipeline of the negative pressure flow passage (321), the suction nozzle (33) faces towards the welding seam between the support plate and the spherical plate, and the suction nozzle (33) is in arc arrangement;
the compressing mechanism (3) further comprises an induction component (34), the flow guide seat (32) is provided with a pressure sensing cavity (322), the negative pressure runner (321) is communicated with the negative pressure fan (31) through the pressure sensing cavity (322), the induction component (34) comprises a transmission paddle (341), a pressure sensing seat (342) and a pressure regulating spring (344), the pressure sensing seat (342) is arranged in the pressure sensing cavity (322), the pressure sensing seat (342) is slidably connected with the pressure sensing cavity (322), one side of the pressure sensing seat (342) close to the negative pressure fan (31) is abutted with one end of the pressure regulating spring (344), the other end of the pressure regulating spring (344) is abutted with the wall surface of the pressure sensing cavity (322), and an outlet of the negative pressure runner (321) faces to the upper layer of the central axis of the transmission paddle (341);
the induction component (34) further comprises a guide post (345) and a coil (346), the guide post (345) is in transmission connection with the pressure sensing seat (342), the guide seat (32) is provided with a detection cavity (323), the coil (346) is arranged in the detection cavity (323), the axis of the guide post (345) is collinear with the axis of the coil (346), the guide post (345) is made of a magnet material, and the coil (346) is electrically connected with the negative pressure fan (31);
the instantaneous air inflow of the suction nozzle (33) is detected by the induction component (34), the suction nozzle (33) is used for sucking air, the air is fed into the pressure sensing cavity (322) through the negative pressure runner (321), the blades of the transmission paddles (341) are impacted, the transmission paddles (341) are driven to rotate, and the pressure sensing seat (342) is driven to slide along the pressure sensing cavity (322) through the transmission of the transmission paddles (341).
2. The steel plate welding device with an angle control function for bridge support processing according to claim 1, wherein: and a sealing plate (343) is arranged on one side of the pressure sensing seat (342) close to the negative pressure flow channel (321), and the lower side of the sealing plate (343) is attached to the bottom end of the negative pressure flow channel (321).
3. The steel plate welding device with an angle control function for bridge support processing according to any one of claims 1-2, wherein: the driving device (2) further comprises an angle adjusting assembly (23), the bearing plate (22) is in transmission connection with the welding head (4) through the angle adjusting assembly (23), the angle adjusting assembly (23) comprises an angle adjusting motor (231) and a reversing plate (232), the bearing plate (22) is a folded plate, the angle adjusting motor (231) is in fastening connection with the bearing plate (22), and the output end of the angle adjusting motor (231) is in transmission connection with the welding head (4) through the reversing plate (232).
4. The steel plate welding device with an angle control function for bridge support processing according to claim 3, wherein: the angle adjusting assembly (23) further comprises two displacement modules (234), the reversing plate (232) is in transmission connection with the welding head (4) through the two displacement modules (234), and linear displacement output by the two displacement modules (234) is in a space vertical state.
5. The steel plate welding device with an angle control function for bridge support processing according to claim 3, wherein: two pins (233) are arranged on the bearing plate (22), two reversing grooves are formed in corresponding positions of the reversing plate (232), the two pins (233) are inserted into the reversing grooves, and the two reversing grooves are arc-shaped.
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| CN116921934A (en) | 2023-10-24 |
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