CN111250851B - Automatic welding equipment for shell convex nails - Google Patents
Automatic welding equipment for shell convex nails Download PDFInfo
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- CN111250851B CN111250851B CN202010214727.5A CN202010214727A CN111250851B CN 111250851 B CN111250851 B CN 111250851B CN 202010214727 A CN202010214727 A CN 202010214727A CN 111250851 B CN111250851 B CN 111250851B
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- 238000003466 welding Methods 0.000 title claims abstract description 92
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 229910001369 Brass Inorganic materials 0.000 claims description 29
- 239000010951 brass Substances 0.000 claims description 29
- 238000004804 winding Methods 0.000 claims description 20
- 238000004146 energy storage Methods 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 238000001179 sorption measurement Methods 0.000 claims description 9
- 230000006872 improvement Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/14—Projection welding
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/24—Electric supply or control circuits therefor
- B23K11/26—Storage discharge welding
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating devices therefor
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
- Compressor (AREA)
Abstract
The invention relates to the technical field of projection pin welding, in particular to automatic welding equipment for shell projection pins, which comprises a base and a welding main frame, wherein the welding main frame is arranged in the middle of the upper end surface of the base, and a left welding control box and a right welding control box are respectively arranged at two ends of the welding main frame; the welding main frame is constructed into a gantry structure by an upper fixing plate, a lower fixing plate and four upright posts, a jacking supporting component is arranged on the upper end face of the lower fixing plate, a jacking cylinder is arranged at the upper end of the jacking supporting component, a lifting plate is arranged at the top end of the jacking cylinder, and a lower electrode component is arranged at the upper end of the lifting plate; a self-centering mechanism is arranged above the lower electrode assembly, and a compressor shell is arranged at the upper end of the self-centering mechanism; the lower end of the lower fixing plate is provided with an upper electrode assembly, and the upper end of the lower fixing plate is provided with a human-computer interface operation box; the invention can avoid loosening of the compressor shell during welding, does not need manual feeding, reduces labor intensity and improves welding efficiency.
Description
Technical Field
The invention relates to the technical field of projection pin welding, in particular to automatic welding equipment for a shell projection pin.
Background
The compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, and is a heart of a refrigerating system, and is configured to suck low-temperature low-pressure refrigerant gas from an air suction pipe, drive a piston to compress the low-temperature low-pressure refrigerant gas by motor operation, and then discharge the high-temperature high-pressure refrigerant gas to an air discharge pipe, thereby powering a refrigerating cycle.
In the production and processing process of the compressor shell, the protruding nails are usually required to be welded inside the compressor shell, and the existing manual welding and machine welding are adopted, but the manual welding easily causes poor welding effect, uneven welding and unstable welding quality, and the manual welding pipe has low welding efficiency, and the existing machine welding still has many defects, such as: in the welding process, the shell of the compressor is easy to loose, so that the welding quality is not ideal, and the defective rate is increased; the convex nails are required to be placed manually, so that the efficiency is low, the labor intensity is high, and the enterprise cost is also high.
Disclosure of Invention
The invention designs automatic welding equipment for the convex nails of the shell aiming at the problems of the background technology, solves the problems of unsatisfactory welding quality and high defective rate caused by easy loosening of the shell of the compressor in the welding process, and also solves the problems of low efficiency and high labor intensity caused by the need of manually placing the convex nails.
The invention is realized by the following technical scheme:
the automatic welding equipment for the shell protruding nails comprises a base and a welding main frame, wherein the welding main frame is arranged in the middle of the upper end face of the base, a left welding control box and a right welding control box are respectively arranged at two ends of the welding main frame, an energy storage discharge transformer is respectively arranged in the left welding control box and the right welding control box, and the two energy storage discharge transformers are in parallel connection; the welding main frame is constructed into a gantry structure by an upper fixing plate, a lower fixing plate and four upright posts, a jacking supporting component is arranged on the upper end face of the lower fixing plate, a jacking air cylinder is arranged at the upper end of the jacking supporting component, a lifting plate is arranged at the top end of the jacking air cylinder, a lower electrode component is arranged at the upper end of the lifting plate, the lower electrode component comprises a lower brass electrode seat and a lower electrode, the upper end of the lower brass electrode seat is arranged on the lower electrode, and a plurality of convex nail positioning grooves are formed in the upper end of the lower electrode; a self-centering mechanism is further arranged above the lower electrode assembly, and a compressor shell is arranged at the upper end of the self-centering mechanism; the lower end of the lower fixing plate is provided with an upper electrode assembly, and the upper end of the lower fixing plate is provided with a human-computer interface operation box.
As a further improvement of the scheme, the upper electrode assembly comprises a mounting seat, an upper brass electrode seat and an upper electrode, wherein the inner wall of the mounting seat is provided with a cavity, the front and rear inner walls of the cavity are provided with sliding grooves, the sliding grooves are provided with a movable seat through a sliding block, and the right end of the movable seat is fixedly provided with an electric cylinder; the top bottom of cavity all is fixed with the sleeve pipe, and upper and lower two the inside backup pad that has cup jointed jointly of sleeve pipe, install the bottom of backup pad go up the brass electrode holder, install the bottom of going up the brass electrode holder go up the electrode.
As a further improvement of the scheme, the movable seat is formed by enclosing a front side plate, a rear side plate and a connecting plate into a U-shaped structure, Z-shaped movable grooves are formed in the surfaces of the front side plate and the rear side plate, and sliding rods matched with the Z-shaped movable grooves are fixed on the front outer wall and the rear outer wall of the supporting plate; the sliding blocks are fixed at the front end and the rear end of the connecting plate.
As a further improvement of the scheme, the left side and the right side of the lower electrode assembly are also provided with convex nail feeding mechanisms, each convex nail feeding mechanism comprises a mechanical arm and a mechanical arm, each mechanical arm is fixed at the end part of each mechanical arm and comprises a cross rod and a plurality of adsorption mechanisms arranged on the cross rod, and each adsorption mechanism comprises an iron core and a conductive winding wound on the outer wall of the iron core.
As a further improvement of the scheme, the self-centering mechanism comprises four bearing seats and centering cylinders, wherein the four centering cylinders are uniformly distributed along the circumference of the circle center of the upper surface of the bearing seats, and the four centering cylinders are fixed with the bearing seats through fastening screws.
As a further improvement of the scheme, the self-centering mechanism is arranged between the four upright posts through fasteners, the lower end of the self-centering mechanism is further provided with a shell lifting mechanism, the shell lifting mechanism comprises a lifting cylinder, a cylinder seat and a rubber cushion, the lifting cylinder is arranged at the top end of the cylinder seat, and the rubber cushion is arranged at the top end of the lifting cylinder.
As a further improvement of the scheme, the upper ends of the left welding control box and the right welding control box are provided with conveying track installation frames.
As a further improvement of the scheme, a plurality of vibration-proof foot pads are arranged on the lower end face of the base.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the electric cylinder is electrified and stretched to drive the movable seat to move leftwards along the sliding groove under the action of the sliding block, the sliding rods matched with the Z-shaped movable groove are fixed on the front outer wall and the rear outer wall of the supporting plate, the sliding rods are further driven to slide rightwards along the inside of the Z-shaped movable groove, the height of the movable seat is unchanged, the supporting plate is enabled to move downwards along the inner walls of the two sleeves, the bottom end of the supporting plate is provided with the upper brass electrode seat, the bottom end of the upper brass electrode seat is provided with the upper electrode, after the upper electrode moves downwards, on one hand, when the upper electrode contacts with the shell of the compressor, an induction signal can be triggered, the energy stored in the capacitor bank is discharged through the primary side winding of the energy storage discharge transformer, and a pulse current with a large peak value and short time is induced through the secondary side winding of the energy storage discharge transformer, namely, the upper electrode and the lower electrode are simultaneously discharged and welded with the shell of the compressor in a heating mode; on the other hand, the upper electrode can further press the compressor shell after moving downwards, so that the compressor shell is prevented from loosening in the welding process.
2. According to the invention, the convex nail feeding mechanism comprises a mechanical arm and a mechanical arm, the mechanical arm is fixed at the end part of the mechanical arm, the mechanical arm comprises a cross rod and a plurality of adsorption mechanisms arranged on the cross rod, the adsorption mechanisms comprise iron cores and conductive windings wound on the outer walls of the iron cores, the plurality of conductive windings are in series connection, when the convex nails are grabbed, the conductive windings are connected with current, the iron cores have magnetism, the bottom ends of the iron cores can adsorb the convex nails, then under the movement of the mechanical arm, the convex nails can be moved to the positions above corresponding convex nail positioning grooves, the current of the conductive windings is cut off, the iron cores lose magnetism, and under the gravity action of the convex nails, the convex nails fall into the convex nail positioning grooves, so that manual feeding is not needed, the labor intensity is reduced, and the welding efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of a second perspective structure of the present invention;
FIG. 3 is a front view of the present invention;
fig. 4 is a front view of an upper electrode assembly in the present invention;
FIG. 5 is a schematic view of the internal structure of the mounting base according to the present invention;
FIG. 6 is a schematic view of the upper electrode assembly of the present invention with the mounting base, upper brass electrode base and upper electrode removed;
FIG. 7 is a front view of the male pin loading mechanism of the present invention;
FIG. 8 is a schematic perspective view of a manipulator according to the present invention;
FIG. 9 is a schematic perspective view of a self-centering mechanism according to the present invention;
FIG. 10 is a front view of the self-centering mechanism of the present invention;
fig. 11 is a schematic perspective view of a lower electrode assembly according to the present invention.
The device comprises a 1-base, a 2-welding main frame, a 201-upper fixing plate, a 202-lower fixing plate, a 203-lower fixing plate, a 3-left welding control box, a 4-left welding control box, a 5-energy storage discharge transformer, a 6-lower electrode assembly, a 601-lower brass electrode seat, a 602-lower electrode, a 603-convex nail positioning groove, a 7-self-centering mechanism, a 71-bearing seat, a 72-centering cylinder, a 73-shell lifting mechanism, a 731-lifting cylinder, a 732-cylinder seat, a 733-rubber cushion, an 8-upper electrode assembly, a 801-mounting seat, a 802-upper brass electrode seat, a 803-upper electrode, a 804-cavity, a 805-sliding groove, a 806-moving seat, a 8061-front side plate, a 8062-rear side plate, a 8063-rear side plate, a 8064-Z-moving groove, a 8065-sliding rod, a 807-electric cylinder, a 808-sleeve, a 809-supporting plate, a 810-sliding block, a 9-convex nail lifting mechanism, a 91-mechanical arm, a 92-mechanical arm, a 921-cross rod, a 922-adsorption mechanism, a 9221-iron core, a 9222-conductive winding, a 9222-lifting support plate, a 9212-lifting conductive winding, a 9212-lifting rail, a compressor-11-lifting rail, a 14-lifting rail, a compressor-16-lifting rail, a compressor-11-lifting rail, a compressor-and a compressor-11-lifting rail.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
The technical scheme of the invention is further described below with reference to the accompanying drawings.
1-3, The automatic welding equipment for the convex nails of the shell comprises a base 1 and a welding main frame 2, wherein a plurality of vibration-proof foot pads 16 are arranged on the lower end face of the base 1, and the vibration-proof foot pads 16 can eliminate vibration generated by welding; the welding main frame 2 is arranged in the middle of the upper end surface of the base 1, the left welding control box 3 and the right welding control box 4 are respectively arranged at two ends of the welding main frame 2, an energy storage and discharge transformer 5 is respectively arranged in the left welding control box 3 and the right welding control box 4, the two energy storage and discharge transformers 5 are in parallel connection, a conveying track mounting frame 15 is arranged at the upper ends of the left welding control box 3 and the right welding control box 4, and conveying tracks can be arranged on the conveying track mounting frame 15 and used for conveying the shell of the compressor; the welding main frame 2 is formed by an upper fixing plate 201, a lower fixing plate 202 and four upright posts 203, and the materials of the gantry structure can bear enough part load through stress relief treatment, so that the deformation and vibration generated during the welding of the protruding nails are reduced, and enough rigidity and equipment precision retention are ensured; the upper end face of the lower fixing plate 202 is provided with a jacking supporting component 10, the upper end of the jacking supporting component 10 is provided with a jacking air cylinder 11, the top end of the jacking air cylinder 11 is provided with a jacking plate 12, the upper end of the jacking plate 12 is provided with a lower electrode component 6, the lower electrode component 6 comprises a lower brass electrode seat 601 and a lower electrode 602, the lower electrode 602 is provided with the upper end of the lower brass electrode seat 601, and the upper end of the lower electrode 602 is provided with a plurality of convex nail positioning grooves 603; a self-centering mechanism 7 is also arranged above the lower electrode assembly 6, and a compressor shell 13 is arranged at the upper end of the self-centering mechanism 7; the upper electrode assembly 8 is mounted at the lower end of the lower fixing plate 202, and the human-machine interface operation box 14 is mounted at the upper end of the lower fixing plate 202.
As shown in fig. 9 and 10, the self-centering mechanism 7 includes four bearing seats 71 and centering cylinders 72, the number of the centering cylinders 72 is four and the centering cylinders are uniformly distributed along the circumference of the center of the upper surface of the bearing seat 71, the four centering cylinders 72 and the bearing seat 71 are fixed by fastening screws, and the centering cylinders 72 move the compressor housing to a specific position and fix the compressor housing under the control of a central control system; the self-centering mechanism 7 is installed between the four upright posts 203 through a fastener, the lower end of the self-centering mechanism 7 is further provided with a shell lifting mechanism 73, the shell lifting mechanism 73 comprises a lifting cylinder 731, a cylinder seat 732 and a rubber cushion 733, the lifting cylinder 731 is installed at the top end of the cylinder seat 732, the rubber cushion 733 is installed at the top end of the lifting cylinder 731, and the lifting cylinder 731 can lift the position of a compressor shell to a proper height, so that the compressor shells with different models and sizes can be compatible.
As shown in fig. 4-6, the upper electrode assembly 8 comprises a mounting seat 801, an upper brass electrode seat 802 and an upper electrode 803, a cavity 804 is formed in the inner wall of the mounting seat 801, sliding grooves 805 are formed in the front and rear inner walls of the cavity 804, a movable seat 806 is mounted on the sliding grooves 805 through a sliding block 810, and an electric cylinder 807 is fixedly mounted at the right end of the movable seat 806; the top and bottom of the cavity 804 are fixed with sleeves 808, a supporting plate 809 is sleeved in the upper sleeve 808 and the lower sleeve 808 together, an upper brass electrode seat 802 is arranged at the bottom end of the supporting plate 809, and an upper electrode 803 is arranged at the bottom end of the upper brass electrode seat 802; the movable seat 806 is formed by enclosing a front side plate 8061, a rear side plate 8062 and a connecting plate 8063 into a U-shaped structure, Z-shaped movable grooves 8064 are formed in the surfaces of the front side plate 8061 and the rear side plate 8062, and sliding rods 8065 matched with the Z-shaped movable grooves 8064 are fixed on the front outer wall and the rear outer wall of the supporting plate 809; the front and rear ends of the connection plate 8063 are fixed with sliders 810.
The working principle of the invention is as follows: firstly, the compressor shell is transmitted into the self-centering mechanism 7 through a transmission rail, and automatic fixing of the compressor shell is realized under the action of the centering cylinder 72 and the lifting cylinder 731; then, the lifting cylinder 11 is controlled to lift and drive the lifting plate 12 and the lower electrode assembly 6 to move to a discharging position, and the convex nails to be welded are placed in convex nail positioning grooves 603 formed in the upper end of the lower electrode 602; then the control cylinder 11 rises again and drives the lifting plate 12 and the lower electrode assembly 6 to move to the welding position, when the lifting plate reaches the welding position, the protruding nails just touch the bottom of the compressor shell, then the electric cylinder 807 is electrified to stretch and further drive the supporting plate 809 to move downwards along the inner walls of the two sleeves 808, the bottom end of the supporting plate 809 is provided with the upper brass electrode seat 802, the bottom end of the upper brass electrode seat 802 is provided with the upper electrode 803, after the upper electrode 803 moves downwards, when the upper electrode 803 touches the compressor shell, the induction signal can be triggered, the energy stored in the capacitor bank is discharged through the primary side winding of the energy storage discharge transformer 5, and the secondary side winding of the energy storage discharge transformer 5 induces a pulse current with a large peak value and short time, so that the protruding nails and the compressor shell can be heated and welded. After the welding is completed, the motor cylinder 807 is contracted to its original position, and the support plate 809 is moved upward along the inner walls of the two bushings 808, and the upper electrode 803 is separated from the surface of the compressor housing.
Example 1
1-3, The automatic welding equipment for the convex nails of the shell comprises a base 1 and a welding main frame 2, wherein a plurality of vibration-proof foot pads 16 are arranged on the lower end face of the base 1, and the vibration-proof foot pads 16 can eliminate vibration generated by welding; the welding main frame 2 is arranged in the middle of the upper end surface of the base 1, the left welding control box 3 and the right welding control box 4 are respectively arranged at two ends of the welding main frame 2, an energy storage and discharge transformer 5 is respectively arranged in the left welding control box 3 and the right welding control box 4, the two energy storage and discharge transformers 5 are in parallel connection, a conveying track mounting frame 15 is arranged at the upper ends of the left welding control box 3 and the right welding control box 4, and conveying tracks can be arranged on the conveying track mounting frame 15 and used for conveying the shell of the compressor; the welding main frame 2 is formed by an upper fixing plate 201, a lower fixing plate 202 and four upright posts 203, and the materials of the gantry structure can bear enough part load through stress relief treatment, so that the deformation and vibration generated during the welding of the protruding nails are reduced, and enough rigidity and equipment precision retention are ensured; the upper end face of the lower fixing plate 202 is provided with a jacking supporting component 10, the upper end of the jacking supporting component 10 is provided with a jacking air cylinder 11, the top end of the jacking air cylinder 11 is provided with a jacking plate 12, the upper end of the jacking plate 12 is provided with a lower electrode component 6, the lower electrode component 6 comprises a lower brass electrode seat 601 and a lower electrode 602, the lower electrode 602 is provided with the upper end of the lower brass electrode seat 601, and the upper end of the lower electrode 602 is provided with a plurality of convex nail positioning grooves 603; a self-centering mechanism 7 is also arranged above the lower electrode assembly 6, and a compressor shell 13 is arranged at the upper end of the self-centering mechanism 7; the upper electrode assembly 8 is mounted at the lower end of the lower fixing plate 202, and the human-machine interface operation box 14 is mounted at the upper end of the lower fixing plate 202.
As shown in fig. 9 and 10, the self-centering mechanism 7 includes four bearing seats 71 and centering cylinders 72, the number of the centering cylinders 72 is four and the centering cylinders are uniformly distributed along the circumference of the center of the upper surface of the bearing seat 71, the four centering cylinders 72 and the bearing seat 71 are fixed by fastening screws, and the centering cylinders 72 move the compressor housing to a specific position and fix the compressor housing under the control of a central control system; the self-centering mechanism 7 is installed between the four upright posts 203 through a fastener, the lower end of the self-centering mechanism 7 is further provided with a shell lifting mechanism 73, the shell lifting mechanism 73 comprises a lifting cylinder 731, a cylinder seat 732 and a rubber cushion 733, the lifting cylinder 731 is installed at the top end of the cylinder seat 732, the rubber cushion 733 is installed at the top end of the lifting cylinder 731, and the lifting cylinder 731 can lift the position of a compressor shell to a proper height, so that the compressor shells with different models and sizes can be compatible.
As shown in fig. 4-6, the upper electrode assembly 8 comprises a mounting seat 801, an upper brass electrode seat 802 and an upper electrode 803, a cavity 804 is formed in the inner wall of the mounting seat 801, sliding grooves 805 are formed in the front and rear inner walls of the cavity 804, a movable seat 806 is mounted on the sliding grooves 805 through a sliding block 810, and an electric cylinder 807 is fixedly mounted at the right end of the movable seat 806; the top and bottom of the cavity 804 are fixed with sleeves 808, a supporting plate 809 is sleeved in the upper sleeve 808 and the lower sleeve 808 together, an upper brass electrode seat 802 is arranged at the bottom end of the supporting plate 809, and an upper electrode 803 is arranged at the bottom end of the upper brass electrode seat 802; the movable seat 806 is formed by enclosing a front side plate 8061, a rear side plate 8062 and a connecting plate 8063 into a U-shaped structure, Z-shaped movable grooves 8064 are formed in the surfaces of the front side plate 8061 and the rear side plate 8062, and sliding rods 8065 matched with the Z-shaped movable grooves 8064 are fixed on the front outer wall and the rear outer wall of the supporting plate 809; the front and rear ends of the connection plate 8063 are fixed with sliders 810.
When the embodiment is specifically applied, the compressor shell is firstly driven into the self-centering mechanism 7 through the conveying track, and the automatic fixation of the compressor shell is realized under the action of the centering cylinder 72 and the lifting cylinder 731; then, the lifting cylinder 11 is controlled to lift and drive the lifting plate 12 and the lower electrode assembly 6 to move to a discharging position, and the convex nails to be welded are manually placed in the convex nail positioning grooves 603 formed in the upper end of the lower electrode 602; then, the electric cylinder 807 is electrified and stretched to drive the movable seat 806 to move leftwards along the sliding groove 805 under the action of the sliding block 810, sliding rods 8065 matched with the Z-shaped movable groove 8064 are fixed on the front outer wall and the rear outer wall of the supporting plate 809, the sliding rods 8065 are further driven to slide rightwards along the inside of the Z-shaped movable groove 8064, the supporting plate 809 moves downwards along the inner walls of the two bushings 808 due to the unchanged height of the movable seat 806, the upper brass electrode seat 802 is arranged at the bottom end of the supporting plate 809, the upper electrode 803 is arranged at the bottom end of the upper brass electrode seat 802, after the upper electrode 803 moves downwards, on one hand, when the upper electrode 803 contacts with the compressor shell, an induction signal can be triggered, energy stored in the capacitor bank is discharged through a primary side winding of the energy storage discharge transformer 5, a pulse current with a large peak value and short time is induced by a secondary side winding of the energy storage discharge transformer 5, and heating welding is carried out between the protruding nails and the compressor shell, namely the upper electrode 803 and the lower electrode 602 are simultaneously discharged and welded; on the other hand, the upper electrode 803 can further compress the compressor housing after being moved downward, preventing the compressor housing from loosening during welding.
Example 2
Embodiment 1 needs the manual work to place the protruding nail that waits to weld in the protruding nail constant head tank 603 that the bottom electrode 602 upper end was seted up inside, intensity of labour is big, welding efficiency is low, and it is with high costs, and for this reason, on embodiment 1's basis, as shown in fig. 7 and 8, the left and right both sides of bottom electrode assembly 6 still are equipped with protruding nail feed mechanism 9, protruding nail feed mechanism 9 includes arm 91 and manipulator 92, manipulator 92 is fixed in the tip of arm 91, and manipulator 92 includes horizontal pole 921 and installs a plurality of adsorption mechanism 922 at horizontal pole 921, adsorption mechanism 922 includes iron core 9221 and winding conductive winding 9222 at the iron core 9221 outer wall, be the series connection between a plurality of conductive winding 9222.
Specific application of this embodiment: when snatching the protruding nail, can make conductive winding 9222 switch on the electric current, iron core 9221 has magnetism promptly, and the bottom of iron core 9221 can adsorb protruding nail, then under the removal of arm 91, can remove protruding nail to corresponding protruding nail constant head tank 603 top, cut off conductive winding 9222's electric current again, iron core 9221 loses magnetism promptly, under protruding nail self gravity effect, protruding nail can fall into protruding nail constant head tank 603 inside to need not artifical material loading, reduced intensity of labour, and improved welding efficiency.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. The utility model provides a casing protruding nail automation of welding equipment, includes base (1) and welding main frame (2), its characterized in that: the welding main frame (2) is arranged in the middle of the upper end face of the base (1), a left welding control box (3) and a right welding control box (4) are respectively arranged at two ends of the welding main frame (2), an energy storage discharge transformer (5) is respectively arranged in the left welding control box (3) and the right welding control box (4), and the two energy storage discharge transformers (5) are in parallel connection; the welding main frame (2) is constructed into a gantry structure by an upper fixing plate (201), a lower fixing plate (202) and four upright posts (203), a jacking supporting component (10) is installed on the upper end face of the lower fixing plate (202), a jacking air cylinder (11) is installed at the upper end of the jacking supporting component (10), a lifting plate (12) is installed at the top end of the jacking air cylinder (11), a lower electrode component (6) is installed at the upper end of the lifting plate (12), the lower electrode component (6) comprises a lower brass electrode seat (601) and a lower electrode (602), the upper end of the lower brass electrode seat (601) is installed on the lower electrode (602), and a plurality of convex nail positioning grooves (603) are formed in the upper end of the lower electrode (602); a self-centering mechanism (7) is further arranged above the lower electrode assembly (6), and a compressor shell (13) is arranged at the upper end of the self-centering mechanism (7); an upper electrode assembly (8) is arranged at the lower end of the lower fixing plate (202), and a human-computer interface operation box (14) is arranged at the upper end of the lower fixing plate (202);
The upper electrode assembly (8) comprises a mounting seat (801), an upper brass electrode seat (802) and an upper electrode (803), a cavity (804) is formed in the inner wall of the mounting seat (801), sliding grooves (805) are formed in the front inner wall and the rear inner wall of the cavity (804), a movable seat (806) is mounted on the sliding grooves (805) through a sliding block (810), and an electric cylinder (807) is fixedly mounted at the right end of the movable seat (806); the top and bottom of the cavity (804) are respectively fixed with a sleeve (808), a supporting plate (809) is sleeved in the upper sleeve (808) and the lower sleeve (808) together, the bottom end of the supporting plate (809) is provided with the upper brass electrode seat (802), and the bottom end of the upper brass electrode seat (802) is provided with the upper electrode (803);
The movable seat (806) is formed by enclosing a front side plate (8061), a rear side plate (8062) and a connecting plate (8063) into a U-shaped structure, Z-shaped movable grooves (8064) are formed in the surfaces of the front side plate (8061) and the rear side plate (8062), and sliding rods (8065) matched with the Z-shaped movable grooves (8064) are fixed on the front outer wall and the rear outer wall of the supporting plate (809); the sliding blocks (810) are fixed at the front end and the rear end of the connecting plate (8063);
The left and right sides of lower electrode assembly (6) still are equipped with protruding nail feed mechanism (9), protruding nail feed mechanism (9) are including arm (91) and manipulator (92), manipulator (92) are fixed in the tip of arm (91), just manipulator (92) include horizontal pole (921) and install a plurality of adsorption mechanism (922) at horizontal pole (921), adsorption mechanism (922) include iron core (9221) and winding conductive winding (9222) at iron core (9221) outer wall.
2. An automated welding apparatus for housing studs as in claim 1 wherein: the self-centering mechanism (7) comprises bearing seats (71) and centering cylinders (72), the number of the centering cylinders (72) is four, the centering cylinders are uniformly distributed along the circumference of the circle center of the upper surface of the bearing seat (71), and the four centering cylinders (72) are fixed with the bearing seat (71) through fastening screws.
3. An automated welding apparatus for housing studs as in claim 2 wherein: the self-centering mechanism (7) is installed between four upright posts (203) through fasteners, a shell lifting mechanism (73) is further installed at the lower end of the self-centering mechanism (7), the shell lifting mechanism (73) comprises a lifting cylinder (731), a cylinder seat (732) and a rubber cushion (733), the lifting cylinder (731) is installed at the top end of the cylinder seat (732), and the rubber cushion (733) is installed at the top end of the lifting cylinder (731).
4. An automated welding apparatus for housing studs as in claim 1 wherein: the upper ends of the left welding control box (3) and the right welding control box (4) are respectively provided with a conveying track mounting frame (15).
5. An automated welding apparatus for housing studs as in claim 1 wherein: a plurality of vibration-proof foot pads (16) are arranged on the lower end face of the base (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214727.5A CN111250851B (en) | 2020-03-24 | 2020-03-24 | Automatic welding equipment for shell convex nails |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214727.5A CN111250851B (en) | 2020-03-24 | 2020-03-24 | Automatic welding equipment for shell convex nails |
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| CN111250851A CN111250851A (en) | 2020-06-09 |
| CN111250851B true CN111250851B (en) | 2024-06-18 |
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| CN211915801U (en) * | 2020-03-24 | 2020-11-13 | 浙江加西贝拉科技服务股份有限公司 | Automatic welding equipment for shell convex nails |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201239855Y (en) * | 2008-08-14 | 2009-05-20 | 武汉市博达自动焊接设备有限公司 | Energy storage welding machine special for stainless steel water pump vane |
| CN205271124U (en) * | 2016-01-15 | 2016-06-01 | 永康市加效焊接自动化设备有限公司 | Interior welding professional equipment |
| CN206764122U (en) * | 2017-06-14 | 2017-12-19 | 天津宏华焊研机器人科技有限公司 | A kind of energy storage multi-convex point automatic welding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN211915801U (en) * | 2020-03-24 | 2020-11-13 | 浙江加西贝拉科技服务股份有限公司 | Automatic welding equipment for shell convex nails |
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