CN110911235B - Welding system for magnetic tripping core assembly of circuit breaker - Google Patents
Welding system for magnetic tripping core assembly of circuit breaker Download PDFInfo
- Publication number
- CN110911235B CN110911235B CN201911167846.3A CN201911167846A CN110911235B CN 110911235 B CN110911235 B CN 110911235B CN 201911167846 A CN201911167846 A CN 201911167846A CN 110911235 B CN110911235 B CN 110911235B
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- coil
- punching
- pushing
- feeding
- welding
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- 238000004080 punching Methods 0.000 claims abstract description 94
- 238000003466 welding Methods 0.000 claims abstract description 85
- 238000007599 discharging Methods 0.000 claims abstract description 31
- 229910000679 solder Inorganic materials 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 88
- 238000009826 distribution Methods 0.000 claims description 24
- 238000001514 detection method Methods 0.000 claims description 21
- 238000005520 cutting process Methods 0.000 claims description 19
- 230000003068 static effect Effects 0.000 claims description 19
- 230000004907 flux Effects 0.000 claims description 14
- 238000012937 correction Methods 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 10
- 238000012546 transfer Methods 0.000 abstract description 4
- 239000000047 product Substances 0.000 description 29
- 238000010586 diagram Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0016—Brazing of electronic components
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/06—Solder feeding devices; Solder melting pans
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a welding system for a magnetic tripping core assembly of a circuit breaker, relates to the field of processing of parts of the circuit breaker, and solves the problems of complex and slow manual operation, poor product quality and the like of processing a magnetic coil assembly at the present stage. The device comprises coil automatic punching and conveying equipment, a turntable device, a coil feeding device, a wiring board feeding device, a fixed contact feeding device, a solder feeding device, a wiring board welding device, a fixed contact welding device and a discharging device; the coil automatic punching and conveying equipment comprises a punching machine and a punching and conveying device arranged on the punching machine, wherein the punching machine performs punching and flattening actions on the shaft ends of coils on the punching and conveying device at intervals. The automatic welding assembly line for the magnetic tripping core assembly of the circuit breaker is formed, the degree of automation is high, the whole processing process does not need to transfer product parts, the working procedures are simple and orderly, the welding processing efficiency is greatly improved, the labor cost is saved, and the product percent of pass is higher.
Description
Technical Field
The invention relates to the field of processing of parts of circuit breakers, in particular to a welding system for a magnetic tripping core assembly of a circuit breaker.
Background
The magnetic tripping core assembly in the circuit breaker comprises a coil, a wiring board and a fixed contact (shown in figure 1), wherein the wiring board and the fixed contact are welded on shaft ends extending out from two ends of the coil respectively through spot welding technology, during the processing process, the shaft ends of the coil need to be flattened so as to facilitate the subsequent welding of the wiring board or the fixed contact, and then corresponding parts need to be welded at the flattened positions. However, in the present stage, except for the flattening operation, a stamping machine may be used to perform the stamping operation, and during the welding, a simple welding fixture is used to weld the coil and the fixed contact, and then the coil and the fixed contact are transferred to a second fixture to continue welding the semi-finished product and the wiring board. The whole processing process needs to be operated in three processing areas, the procedures are very tedious and slow through multiple transfer, more personnel and tooling equipment are needed, the occupied area is large, the labor intensity of workers is large, the cost is large, and the degree of automation is low. In the process of transferring the processing area, repositioning is needed, the problem of poor welding effect caused by positioning deviation possibly occurs, the product quality is reduced, and the product qualification rate is affected.
Disclosure of Invention
The purpose of the invention is that: in order to overcome the defects of the prior art, the invention provides a welding system for a magnetic tripping core assembly of a circuit breaker, which solves the problems of complicated and slow manual operation, high cost, low automation, poor product quality and the like in the existing processing of a magnetic coil assembly.
The technical scheme of the invention is as follows: the device comprises coil automatic punching and conveying equipment, a turntable device, a coil feeding device, a wiring board feeding device, a fixed contact feeding device, a solder feeding device, a wiring board welding device, a fixed contact welding device and a discharging device; the coil automatic punching and conveying equipment comprises a punching machine and a punching and conveying device arranged on the punching machine, wherein the punching machine performs punching and flattening actions on the shaft ends of coils on the punching and conveying device at intervals; the rotary table device comprises a rotary workbench which moves in a rotary mode, a plurality of clamps used for clamping products are arranged on the rotary workbench, and the wiring board feeding device, the fixed contact feeding device, the welding flux feeding device, the coil feeding device, the wiring board welding device, the fixed contact welding device and the discharging device are respectively arranged at the relative positions of the periphery of the clamps of the rotary workbench according to the sequence of the rotary direction; the coil feeding device is communicated with the punching conveying device and is used for clamping a coil at the discharge hole of the punching conveying device to a corresponding clamp on the rotary workbench; a wiring board feeding device for feeding the wiring board to the corresponding clamp on the rotary workbench; a fixed contact feeding device for feeding the fixed contact to a corresponding clamp on the rotary workbench; a solder feeding device for feeding solder to the position to be soldered of the wiring board and the fixed contact on the corresponding clamp; the wiring board welding device is used for welding the wiring board on the coil; the fixed contact welding device is used for welding the fixed contact on the coil; and the discharging device clamps the product on the corresponding clamp and sends the product out of the turntable device.
According to the technical scheme, the coil is flattened by the coil automatic punching and conveying equipment and then conveyed to the coil feeding device, the coil feeding device clamps the coil on the clamp of the turntable device, meanwhile, the wiring board feeding device, the fixed contact feeding device and the solder feeding device respectively supply the wiring board, the fixed contact and the soldering flux to the corresponding clamps, the wiring board welding device and the fixed contact welding device weld the corresponding positions, and finally the discharging device clamps the finished product out of the turntable device; the automatic welding assembly line for the magnetic tripping core assembly of the circuit breaker is formed, the degree of automation is high, the whole processing process does not need to transfer product parts, the working procedures are simple and orderly, the welding processing efficiency is greatly improved, the labor cost is saved, the automatic continuous production is adopted, the workpiece is not required to be repositioned in most of the processing process, the consistency of the welded product is high, the operation accuracy is higher, the continuity and the reliability of the production are well ensured, the product quality is obviously improved, and the product qualification rate is higher.
The invention is further provided with: the punching machine is provided with a punching head, and the punching and conveying device comprises a feeding conveying track, a punching and distributing mechanism arranged between the feeding conveying track and the feeding conveying track, a track lower die and a material pushing positioning mechanism; the punching and distributing mechanism comprises a punching and distributing seat, a punching and distributing executing cylinder and a punching and distributing rod fixed on an output shaft of the punching and distributing executing cylinder, wherein the punching and distributing seat is fixed on a discharging position of the feeding conveying track and forms a first falling channel with the feeding conveying track, and only a single coil falls down to the lower side, and the punching and distributing rod is arranged on the punching and distributing seat in a sliding penetrating manner so as to open or close the first falling channel; the lower rail die is arranged below the first falling channel to receive coils falling from the first falling channel, the lower rail die is provided with a punching working area below a punching head of the punching machine and a second falling channel at a discharging position of the lower rail die, the pushing and positioning mechanism comprises a pushing plate, a pushing execution cylinder, a positioning plate and a positioning execution cylinder, the pushing plate and the positioning plate are respectively connected to output shafts of the pushing execution cylinder and the positioning execution cylinder, the pushing plate and the positioning plate are slidably arranged on the lower rail die, clamping holes for clamping two sides of the coils are formed between the pushing plate and the positioning plate, and the pushing plate and the positioning plate perform the action of sliding from the lower side of the first falling channel to the second falling channel after staying in the punching working area; the feeding conveying track is arranged below the second falling channel to receive the coils falling from the second falling channel.
By adopting the further arrangement, the feeding conveying track conveys coils to the punching and distributing mechanism for distributing, the coil on the lower rail die is pushed and positioned by the pushing and positioning mechanism, the punch performs punching and flattening operation, and finally the feeding conveying track is sent out to the coil feeding device, so that automatic punching and automatic feeding of the coils are realized, the coil feeding device is connected to supply the punched coils, and time and labor are wasted due to multi-region transfer are avoided.
Still further, the present invention provides: the clamp comprises a clamp main body, a vertical clamping assembly, a horizontal clamping assembly and a pushing driving assembly, wherein the vertical clamping assembly and the horizontal clamping assembly are movably connected to the clamp main body in a matched mode; the vertical clamping assembly comprises a coil clamping piece, a coil lower die and a first return piece, wherein the coil clamping piece is movably arranged on the clamp main body along the vertical direction, a coil clamping area is formed between the coil clamping piece and the coil lower die fixed on the clamp main body, and the first return piece is fixed on the coil clamping piece and is propped against the clamp main body and is used for providing a return force for a coil of the coil clamping area clamped by the coil clamping piece; the horizontal clamping assembly comprises two horizontal clamping arms, a fixed contact positioning die, a wiring board lower die, a second return piece and a third return piece, wherein the two horizontal clamping arms are movably arranged on the clamp main body along the horizontal direction, and the two horizontal clamping arms are oppositely arranged; a clamping area for a fixed contact is formed between one horizontal clamping arm and a fixed contact positioning die fixed on the clamp main body, a clamping area for a wiring board is formed between the other horizontal clamping arm and one side surface of a coil lower die, and the wiring board lower die is used for positioning the bottom surface of the wiring board; the second return piece and the third return piece are respectively fixed on the two horizontal clamping arms and respectively propped against the clamp main body, and are used for providing a return force for the corresponding horizontal clamping arms; the pushing driving component is matched with the first restoring piece, the second restoring piece and the third restoring piece respectively so as to provide driving force for movement for the coil clamping piece and the horizontal clamping arm.
By adopting the further arrangement, the vertical clamping assembly is used for clamping the coil, the horizontal clamping assembly can clamp the static contact and the wiring board, and the corresponding clamping can be loosened by pushing the driving assembly to push the corresponding return piece, so that the design is reasonable.
Still further, the present invention is provided with: the wiring board feeding device and the fixed contact feeding device comprise a vibrating disc, a linear vibrating rail, a distributing mechanism and a pushing mechanism, wherein the linear vibrating rail is arranged at the discharge hole of the vibrating disc, the distributing mechanism is arranged at the tail end of the linear vibrating rail and performs distributing action, and the pushing mechanism is used for pushing out parts on the distributing mechanism to the corresponding position of the clamp.
By adopting the further arrangement, the wiring board and the static contact are firstly output by vibration of the vibration disc and the linear vibration rail, then are separated by the separating mechanism, and finally are pushed to the clamp of the turntable device by the pushing mechanism, so that the operation design is reasonable, and the operation is smooth.
Still further, the present invention is provided with: the material distribution mechanism comprises a material distribution turntable support, a material distribution turntable, a turntable rotation driving piece and a material distribution detection sensor, wherein the material distribution turntable is rotatably arranged on the material distribution turntable support, a material hole for feeding a single part is formed in the material distribution turntable, the shape of the material hole is matched with that of a pre-feeding part, an output shaft of the turntable rotation driving piece is connected with the material distribution turntable to drive the material distribution turntable to rotate from a material hole and linear vibration track communication state to a material hole and pushing mechanism communication state, and the detection range of the material distribution detection sensor is positioned on the material hole and the material distribution detection sensor is electrically connected with the turntable rotation driving piece.
By adopting the further arrangement, the linear vibration rail conveys the parts to the material holes, and the single parts are rotationally separated by the material separating turntable and are transferred to a state communicated with the material pushing mechanism.
Still further, the present invention is provided with: the pushing mechanism comprises a pushing plate, a pushing frame, a pushing seat and a pushing driving cylinder, wherein the pushing plate fixing frame is arranged on the pushing frame, the end part of the pushing plate fixing frame penetrates into the material dividing turntable bracket, the pushing plate also movably penetrates into a material hole in a state communicated with the pushing mechanism, and the shape of the pushing plate in the moving direction is matched with the shape of the pre-feeding part; the pushing frame is fixedly connected with an output shaft of the pushing driving cylinder in a coaxial mode and is in sliding fit with the pushing seat through a sliding block guide rail pair.
By adopting the further arrangement, the pushing sheet penetrates through the pushing hole, and the part in the pushing hole is pushed out to the clamp.
Still further, the present invention is provided with: the welding flux feeding device comprises a feeding chuck seat with a replaceable chuck, a material guiding mechanism, a cutting mechanism and a suction nozzle material moving mechanism, wherein the feeding chuck seat is provided with the chuck for supplying non-wafer welding flux, the material guiding mechanism is arranged at a discharging hole of the chuck to guide the non-wafer in the chuck, the material guiding mechanism is communicated with the cutting mechanism to guide the non-wafer out of the cutting mechanism, the cutting mechanism performs the action of cutting the non-wafer at intervals, the suction nozzle material moving mechanism comprises a suction nozzle piece, a vacuum generator and a suction nozzle material moving linear module for moving the suction nozzle piece, the suction nozzle piece is arranged on the linear module, a suction hole for sucking the non-wafer is formed in the suction nozzle piece, and the suction hole is communicated with the vacuum generator.
By adopting the further arrangement, the non-wafer soldering flux in the chuck is led out by the material guiding mechanism, is cut into sections by the cutting mechanism, and is sucked by the vacuum generator to form negative pressure, so that the suction nozzle piece sucks the section non-wafer, and the suction nozzle material moving linear module moves to be sent to the clamp.
Still further, the present invention is provided with: a correction device for correcting the coil placement position on the corresponding clamp is arranged between the coil feeding device and the wiring board welding device; the correcting device comprises a radial pressure head, an axial chuck, a pressure head driving cylinder and a chuck driving finger cylinder, wherein the pressure head driving cylinder and the chuck driving finger cylinder are used for driving the radial pressure head and the axial chuck respectively, the axial chuck is close to a coil on the clamp and clamps two ends of the coil, the radial pressure head is provided with a step which is attached to a preset position, and the step is propped against the coil flattening position when the radial pressure head is close to the coil flattening position.
By adopting the further arrangement, after the axial clamping heads clamp the two ends of the coil, the radial pressure head is adjusted to the position of the step pre-adjustment, and the position of the coil is corrected to meet the qualified requirement.
Still further, the present invention is provided with: the wiring board welding device and the fixed contact welding device comprise a welding machine and an output current detection module, wherein the output current detection module is used for detecting whether the output current of the welding machine reaches a preset output value.
By adopting the further setting, whether the output current of the welding machine reaches the preset output value can be detected through the output current detection module so as to verify whether the welding at the welding position is qualified.
Still further, the present invention is provided with: the discharging device comprises a discharging clamping mechanism which is movably close to the clamp and a recycling mechanism which can be used for distinguishing genuine products and waste products, the discharging clamping mechanism comprises a static chuck, a movable chuck and a pushing head which is arranged between the static chuck and the movable chuck, the movable chuck is movably arranged above the static chuck to clamp products between the static chuck and the movable chuck, and the pushing head is used for pushing out the products between the static chuck and the movable chuck so as to fall onto the recycling mechanism.
By adopting the further arrangement, the movable chuck moves close to the static chuck to clamp the product, and the push head pushes out the product between the static chuck and the movable chuck to enable the product to drop onto the recovery mechanism.
Drawings
FIG. 1 is a schematic diagram of a magnetic trip core assembly of the present invention;
FIG. 2 is a schematic diagram of an embodiment of the present invention;
FIG. 3 is a top view of an embodiment of the present invention;
FIG. 4 is a schematic diagram of an automatic coil stamping and feeding apparatus according to the present invention;
FIG. 5 is a cross-sectional perspective view of the stamping feed device of the present invention;
FIG. 6 is a schematic view of the structure of the clamp of the present invention;
FIG. 7 is a perspective view, in half section, of a clamp of the present invention;
FIG. 8 is a schematic diagram of a stationary contact feeding device according to the present invention;
FIG. 9 is an exploded view of the stationary contact feeding device of the present invention;
FIG. 10 is a schematic view of a solder feeding device according to the present invention;
FIG. 11 is a schematic diagram of a correction device according to the present invention;
FIG. 12 is a schematic view of the structure of the discharging device of the present invention;
wherein the magnetic trip core assembly 10, the coil 101, the wiring board 102, the stationary contact 103, the coil automatic punching feed apparatus 1, the turntable device 2, the coil feeding device 3, the wiring board feeding device 4, the stationary contact feeding device 5, the solder feeding device 6, the wiring board welding device 71, the stationary contact welding device 72, the discharging device 8, the punching machine 11, the punching feed device 12, the rotary table 21, the jig 9, the punch 111, the feeding feed rail 121, the feeding feed rail 122, the punching feed mechanism 13, the rail lower die 14, the pushing positioning mechanism 15, the punching feed seat 131, the punching feed actuating cylinder 132, the punching feed bar 133, the first drop passage 134, the punching work area 141, the second drop passage 142, the pushing plate 151, the pushing actuating cylinder 152, the positioning plate 153, the positioning actuating cylinder 154, the jig main body 91, the vertical clamping assembly 92, the horizontal clamping assembly 93, the push driving assembly 94, the coil holding member 921, the coil lower die 922, the first return member 923, the horizontal clamp arm 931, the stationary contact positioning die 932, the wiring board lower die 933, the second return member 934, the third return member 935, the vibration plate 51, the linear vibration rail 52, the distributing mechanism 53, the pushing mechanism 54, the distributing turntable support 531, the distributing turntable 532, the turntable rotation driving member 533, the distributing detection sensor 534, the material hole 5321, the pushing sheet 541, the pushing frame 542, the pushing seat 543, the pushing driving cylinder 544, the feeding chuck seat 61, the material guiding mechanism 62, the cutting mechanism 63, the suction nozzle moving mechanism 64, the chuck 611, the suction nozzle 641, the moving linear die set 642, the suction hole 6411, the correction device 20, the radial press head 201, the axial chuck 202, the press head driving cylinder 203, the chuck driving finger cylinder 204, the step 2011, the welder 711, the discharge holding mechanism 81, the recovery mechanism 82, a stationary chuck 811, a movable chuck 812, and a push head 813.
Detailed Description
The welding system of the magnetic tripping core assembly of the circuit breaker as shown in fig. 2 and 3 comprises coil automatic stamping and conveying equipment 1, a turntable device 2, a coil feeding device 3, a wiring board feeding device 4, a fixed contact feeding device 5, a solder feeding device 6, a wiring board welding device 71, a fixed contact welding device 72 and a discharging device 8; the automatic coil punching and conveying equipment 1 comprises a punching machine 11 and a punching and conveying device 12 arranged on the punching machine 11, wherein the punching machine 11 performs punching and flattening actions on the shaft ends of a coil 101 on the punching and conveying device 12 at intervals, and the shaft ends of the coil 101 are positioned at the positions of two outer sides of the coil 101; the turntable device 2 comprises a rotary workbench 21 which moves rotationally, wherein the rotary workbench 21 consists of a divider, a plurality of clamps 9 for clamping products are arranged on the rotary workbench 21 when the rotary workbench rotates for a preset period of time, and a wiring board feeding device 4, a fixed contact feeding device 5, a solder feeding device 6, a coil feeding device 3, a wiring board welding device 71, a fixed contact welding device 72 and a discharging device 8 are respectively arranged at the relative positions of the peripheries of the clamps 9 of the rotary workbench 21 according to the sequence of the rotation direction; the coil feeding device 3 is communicated with the punching and conveying device 12 and is used for clamping a coil 101 at a discharge hole of the punching and conveying device 12 to a corresponding clamp 9 on the rotary workbench 21; a wiring board feeding device 4 for feeding a wiring board 102 to the corresponding jig 9 on the rotary table 21; a stationary contact feeding device 5 for feeding the stationary contact 103 to the corresponding jig 9 on the rotary table 21; a solder feeding device 6 for feeding solder such as flux to the positions to be soldered of the wiring board 102 and the stationary contact 103 on the corresponding jig 9; a terminal plate welding device 71 for welding a terminal plate 102 to the coil 101; the fixed contact welding device 72 is used for welding the fixed contact 103 on the coil 101; and the discharging device 8 clamps the product on the corresponding clamp 9 and sends the product out of the turntable device 2. The coil automatic punching and conveying equipment 1 performs flattening operation on the shaft ends of the coils, then conveys the coils to the coil feeding device 3, and clamps the coils to the clamp 9 of the turntable device 2 by the coil feeding device 3; synchronously, the wiring board feeding device 4 and the fixed contact feeding device 5 respectively supply the wiring board 102 and the fixed contact 103 to the corresponding clamp 9 in sequence, the welding flux is supplied to the welding position of the shaft end of the coil 101 by the welding flux feeding device 6, then the welding position is respectively welded by the wiring board welding device 71 and the fixed contact welding device 72, and finally the finished product is clamped out of the turntable device 8 by the discharging device 8.
As shown in fig. 4 and 5, the punch 111 is provided in the press 11, and the punch feeder 12 includes a feed conveyor rail 121, a feed conveyor rail 122, and a punch distributing mechanism 13, a rail lower die 14, and a pusher positioning mechanism 15 provided between the feed conveyor rail 121 and the feed conveyor rail 122. The punching and distributing mechanism 13 comprises a punching and distributing seat 131, a punching and distributing actuating cylinder 132 and a punching and distributing rod 133 fixed on the output shaft of the punching and distributing actuating cylinder 132, wherein the punching and distributing seat 131 is fixed on the discharging position of the feeding and conveying track 121 and forms a first falling channel 123 with the feeding and conveying track 121, which is only used for the single coil 101 to fall down, and the punching and distributing rod 133 is arranged on the punching and distributing seat 131 in a sliding penetrating manner and is used for opening or closing the first falling channel 134. The lower rail die 14 is disposed below the first drop channel 134 for receiving the coil 101 dropped from the first drop channel 134, and the lower rail die 14 has a stamping working area 141 below the punch 111 of the stamping machine 11 and a second drop channel 142 at a discharging position of the lower rail die 14. The pushing and positioning mechanism 15 comprises a pushing plate 151, a pushing execution cylinder 152, a positioning plate 153 and a positioning execution cylinder 154, wherein the pushing plate 151 and the positioning plate 153 are respectively connected to the output shafts of the pushing execution cylinder 152 and the positioning execution cylinder 154, the pushing plate 151 and the positioning plate 153 are slidably arranged on the lower rail die 14, clamping holes for clamping two sides of the coil 101 are formed between the pushing plate 151 and the positioning plate 153, and the pushing plate 151 and the positioning plate 153 perform the action of sliding from the lower side of the first falling channel 134, staying in the punching working area 141 and sliding to the second falling channel 142; the feeding conveying rail 122 is disposed below the second drop channel 142 to receive the coil 101 dropped by the second drop channel 142. The main parts of the feeding conveying rail 121, the feeding conveying rail 122 and the rail lower die 14 are horizontally arranged, and the first drop passage 134 and the second drop passage 142 are vertically arranged. The feeding conveying track 121 conveys the coils 101 to the punching and distributing seat 131, the punching and distributing rod 133 slides out of the first falling channel 134 to open the first falling channel 134, the single coil 101 falls onto the track lower die 14 from the first falling channel 134, and the punching and distributing rod 133 simultaneously closes the first falling channel 134; the pushing plate 151 pushes the dropped coil 101 to the stamping working area 141, the positioning plate 153 and the pushing plate 151 surround and clamp the coil 101, so that the coil 101 is positioned in the stamping working area, the punch 111 is pressed down to perform flattening operation, after the operation is finished, the pushing plate 151 and the positioning plate 153 push the coil to the inlet of the second dropping channel 142, then the coil drops to the feeding conveying rail 122 below through the second dropping channel 142, and finally the feeding conveying rail 122 sends out the stamping conveying device 12.
As shown in fig. 6 and 7, the clamp 9 includes a clamp body 91, a vertical clamping component 92, a horizontal clamping component 93, and a pushing driving component 94, where the vertical clamping component 92 and the horizontal clamping component 93 are movably coupled to the clamp body 91; the vertical clamping assembly 92 includes a coil clamping member 921, a coil lower die 922, and a first return member 923, wherein the coil clamping member 921 is movably disposed on the clamp body 91 along a vertical direction, and forms a coil clamping area with the coil lower die 922 fixed on the clamp body 91, and the first return member 923 is fixed on the coil clamping member 921 and is disposed against the clamp body 91, for providing a return force for the coil 101 of the coil clamping area clamped by the coil clamping member 921; the horizontal clamping assembly 93 comprises two horizontal clamping arms 931, a fixed contact positioning die 932, a wiring board lower die 933, a second return piece 934 and a third return piece 935, the two horizontal clamping arms 931 are movably arranged on the clamp main body 91 along the horizontal direction, and the two horizontal clamping arms 931 are oppositely arranged; a static contact clamping area is formed between one horizontal clamping arm 931 and a static contact positioning die 932 fixed on the clamp main body 91, a wiring board clamping area is formed between the other horizontal clamping arm 931 and one side surface of the coil lower die 922, and a wiring board lower die 933 is used for positioning the bottom surface of the wiring board 102; the second return piece 934 and the third return piece 935 are respectively fixed on the two horizontal clamping arms 931 and respectively prop against the clamp main body 91, and are used for providing restoring force for the corresponding horizontal clamping arms 931; the push drive assembly 94 cooperates with the first return 923, the second return 934, and the third return 935, respectively, to provide a driving force for movement to the coil clamp 921, the horizontal clamp arm 931. The coil holding member 921 and the coil lower die 922 are used for positioning and holding the coil 101, one of the horizontal clamp arms 931 and the fixed contact positioning die 932 is used for positioning and holding the fixed contact 103, and the other horizontal clamp arm 931, one side of the coil lower die 922, and the wiring board lower die 933 are used for positioning and holding the wiring board 102. When the clamp 9 needs to be opened, the pushing driving assembly 94 cooperates to drive the corresponding first return piece 923, second return piece 934 and third return piece 935, so that the corresponding clamping portions are released.
As shown in fig. 8 and 9, the wiring board feeding device 4 and the fixed contact feeding device 5 each include a vibration plate 51, a linear vibration rail 52, a distributing mechanism 53 and a pushing mechanism 54, the linear vibration rail 52 is disposed at a discharge port of the vibration plate 51, the distributing mechanism 53 is disposed at an end of the linear vibration rail 52 and performs a distributing operation, and the pushing mechanism 54 performs an operation of pushing out a part on the distributing mechanism 53 to a position corresponding to the clamp 9. Corresponding parts such as a wiring board 102 and a fixed contact 103 are firstly subjected to vibration output by the vibration disc 51 and the linear vibration rail 52, then are subjected to material distribution by the material distribution mechanism 53, and finally the parts on the material distribution mechanism 53 are pushed out to the corresponding positions of the clamp 9 by the material pushing mechanism 54.
The material distributing mechanism 53 comprises a material distributing turntable bracket 531, a material distributing turntable 532, a turntable rotation driving member 533 and a material distributing detection sensor 534, wherein the material distributing turntable 532 is rotatably installed on the material distributing turntable bracket 531, a material hole 5321 for feeding single parts is formed in the material distributing turntable 532, the shape of the material hole 5321 is matched with that of a pre-feeding part, an output shaft of the turntable rotation driving member 533 is connected with the material distributing turntable 532 to drive the material distributing turntable 532 to rotate from a state that the material hole 5321 is communicated with the linear vibration rail 52 to a state that the material hole 5321 is communicated with the pushing mechanism 54, and the detection range of the material distributing detection sensor 534 is positioned on the material hole 5321 and the material distributing detection sensor 534 is electrically connected with the turntable rotation driving member 533. The linear vibration rail 52 conveys the corresponding parts such as the wiring board 102 and the fixed contact 103 to the material hole 5321 of the material distributing turntable 532, and when the material distributing detection sensor 534 detects that the material hole 5321 is filled with material, the turntable rotating driving member 533 drives the material distributing turntable 532 to rotate, the material distributing turntable 532 rotates to be communicated with the material pushing mechanism 54, and single parts are distributed to the next process.
The pushing mechanism 54 comprises a pushing plate 541, a pushing frame 542, a pushing seat 543 and a pushing driving cylinder 544, wherein the pushing plate 541 is fixedly arranged on the pushing frame 542, the end part of the pushing plate 541 penetrates into the material dividing turntable bracket 531, the pushing plate 541 also movably penetrates into a material hole communicated with the pushing mechanism 54, and the shape of the pushing plate 541 in the moving direction is matched with the shape of the pre-feeding part; the pushing frame 542 is fixedly connected with the output shaft of the pushing driving cylinder 544 in a coaxial manner and is in sliding fit with the pushing seat 543 through a sliding block guide rail pair. When the hole 5321 of the dividing turntable 532 rotates to be communicated with the pushing mechanism 54, the pushing piece 541 and the hole 5321 are in a collinear position, and the pushing driving cylinder 544 drives the pushing frame 542 to slide on the pushing seat 543, so as to drive the pushing piece 541 to penetrate into the hole 5321 and push out the part in the hole 5321 to the fixture 9.
As shown in fig. 10, the solder feeding device 6 includes a chuck holder 61 with a replaceable chuck, a guiding mechanism 62, a cutting mechanism 63, and a suction nozzle moving mechanism 64, the chuck 611 for supplying the non-wafer solder is provided on the chuck holder 61, the guiding mechanism 62 is provided at a discharge port of the chuck 611 to guide the non-wafer in the chuck 611, the guiding mechanism 62 is further communicated with the cutting mechanism 63 to guide the non-wafer to the cutting mechanism 63, the cutting mechanism 63 performs a motion of cutting the non-wafer at intervals, the suction nozzle moving mechanism 64 includes a suction nozzle 641, a vacuum generator, and a suction nozzle moving linear module 642 for moving the suction nozzle 641, the suction nozzle is provided on the linear module, a suction hole 6411 for sucking the non-wafer is provided on the suction nozzle 641, a suction port of the suction hole 6411 is provided at a bottom surface of the suction nozzle 641, and the suction hole 6411 is communicated with the vacuum generator. The material guiding mechanism 62 guides the non-wafer flux in the chuck 611 out and sends the non-wafer flux to the cutting mechanism 63, the cutting mechanism 63 cuts the non-wafer flux into segments at intervals, the suction nozzle 641 is sucked by the vacuum generator to form negative pressure, the suction nozzle 641 sucks the segment non-wafer, and finally the suction nozzle 641 is moved by the suction nozzle material moving linear module 642 to be sent to the corresponding clamp 9 to put down the non-wafer.
As shown in fig. 11, a correction device 20 for correcting the placement position of the coil 101 on the corresponding fixture 9 is arranged between the coil feeding device 3 and the wiring board welding device 4; the correction device 20 comprises a radial pressure head 201, an axial chuck 202, a pressure head driving cylinder 203 for driving the radial pressure head 201 to act, and a chuck driving finger cylinder 204 for driving the axial chuck 202 to act, wherein the axial chuck 202 is close to the coil 101 on the clamp 9 and clamps the end surfaces of the two ends of the coil 101, the radial pressure head 201 is provided with a step 2011 which is attached to a preset position, and the step 2011 is abutted to the flattened position of the coil 101 when the radial pressure head 201 is close to the flattened position of the coil 101. After the axial clamp 202 moves close to and clamps the end surfaces of the two ends of the coil 101, the radial press head 101 moves close to, the step 2011 is attached to the flattened position of the coil 101, so that the coil 101 is adjusted to the required position of the step 2011, and the position of the coil 101 is adjusted to the required position.
The wiring board welding device 71 and the fixed contact welding device 72 each comprise a welding machine 711 and an output current detection module, wherein the output current detection module is used for detecting whether the output current of the welding machine 711 reaches a preset output value. When the welding machine 711 is in welding, the output current is detected by an output current detection module, and if the output current reaches a preset output value, the welding machine 711 is qualified; otherwise, the preset output value is not reached, and the output value is regarded as unqualified.
As shown in fig. 12, the discharging device 8 includes a discharging clamping mechanism 81 that is movable near the clamp and a recycling mechanism 82 that can be used to distinguish between genuine products and waste products, the discharging clamping mechanism 81 includes a static chuck 811, a movable chuck 812, and a pushing head 813 located therebetween, the movable chuck 812 is movable above the static chuck 811 to clamp the product located therebetween, and the pushing head 813 performs a pushing action to push out the product between the static chuck 811 and the movable chuck 812 to drop onto the recycling mechanism 82. The movable jaw 812 moves closer to the stationary jaw 812 for holding the product and moves out, and the rear pusher pushes the product between the stationary jaw 811 and the movable jaw 812, causing the product to drop onto the recovery mechanism 82.
Claims (7)
1. A welding system for a magnetic tripping core assembly of a circuit breaker is characterized in that: the device comprises coil automatic punching and conveying equipment, a turntable device, a coil feeding device, a wiring board feeding device, a fixed contact feeding device, a solder feeding device, a wiring board welding device, a fixed contact welding device and a discharging device;
The coil automatic punching and conveying equipment comprises a punching machine and a punching and conveying device arranged on the punching machine, wherein the punching machine performs punching and flattening actions on the shaft ends of coils on the punching and conveying device at intervals;
The rotary table device comprises a rotary workbench which moves in a rotary mode, a plurality of clamps used for clamping products are arranged on the rotary workbench, and the wiring board feeding device, the fixed contact feeding device, the welding flux feeding device, the coil feeding device, the wiring board welding device, the fixed contact welding device and the discharging device are respectively arranged at the relative positions of the periphery of the clamps of the rotary workbench according to the sequence of the rotary direction;
The coil feeding device is communicated with the punching conveying device and is used for clamping a coil at the discharge hole of the punching conveying device to a corresponding clamp on the rotary workbench;
a wiring board feeding device for feeding the wiring board to the corresponding clamp on the rotary workbench;
a fixed contact feeding device for feeding the fixed contact to a corresponding clamp on the rotary workbench;
a solder feeding device for feeding solder to the position to be soldered of the wiring board and the fixed contact on the corresponding clamp;
the wiring board welding device is used for welding the wiring board on the coil;
the fixed contact welding device is used for welding the fixed contact on the coil;
The discharging device clamps the product on the corresponding clamp and sends the product out of the turntable device;
The punching machine is provided with a punching head, and the punching and conveying device comprises a feeding and conveying track, a punching and distributing mechanism arranged between the feeding and conveying track and the feeding and conveying track, a track lower die and a material pushing and positioning mechanism; the punching and distributing mechanism comprises a punching and distributing seat, a punching and distributing executing cylinder and a punching and distributing rod fixed on an output shaft of the punching and distributing executing cylinder, wherein the punching and distributing seat is fixed on a discharging position of the feeding conveying track and forms a first falling channel with the feeding conveying track, and only a single coil falls down to the lower side, and the punching and distributing rod is arranged on the punching and distributing seat in a sliding penetrating manner so as to open or close the first falling channel; the lower rail die is arranged below the first falling channel to receive coils falling from the first falling channel, the lower rail die is provided with a punching working area below a punching head of the punching machine and a second falling channel at a discharging position of the lower rail die, the pushing and positioning mechanism comprises a pushing plate, a pushing execution cylinder, a positioning plate and a positioning execution cylinder, the pushing plate and the positioning plate are respectively connected to output shafts of the pushing execution cylinder and the positioning execution cylinder, the pushing plate and the positioning plate are slidably arranged on the lower rail die, clamping holes for clamping two sides of the coils are formed between the pushing plate and the positioning plate, and the pushing plate and the positioning plate perform the action of sliding from the lower side of the first falling channel to the second falling channel after staying in the punching working area; the feeding conveying track is arranged below the second falling channel to receive coils falling from the second falling channel;
The clamp comprises a clamp main body, a vertical clamping assembly, a horizontal clamping assembly and a pushing driving assembly, wherein the vertical clamping assembly and the horizontal clamping assembly are movably connected to the clamp main body in a matched mode; the vertical clamping assembly comprises a coil clamping piece, a coil lower die and a first return piece, wherein the coil clamping piece is movably arranged on the clamp main body along the vertical direction, a coil clamping area is formed between the coil clamping piece and the coil lower die fixed on the clamp main body, and the first return piece is fixed on the coil clamping piece and is propped against the clamp main body and is used for providing a return force for a coil of the coil clamping area clamped by the coil clamping piece; the horizontal clamping assembly comprises two horizontal clamping arms, a fixed contact positioning die, a wiring board lower die, a second return piece and a third return piece, wherein the two horizontal clamping arms are movably arranged on the clamp main body along the horizontal direction, and the two horizontal clamping arms are oppositely arranged; a clamping area for a fixed contact is formed between one horizontal clamping arm and a fixed contact positioning die fixed on the clamp main body, a clamping area for a wiring board is formed between the other horizontal clamping arm and one side surface of a coil lower die, and the wiring board lower die is used for positioning the bottom surface of the wiring board; the second return piece and the third return piece are respectively fixed on the two horizontal clamping arms and respectively propped against the clamp main body, and are used for providing a return force for the corresponding horizontal clamping arms; the pushing driving component is respectively matched with the first return piece, the second return piece and the third return piece so as to provide driving force for movement for the coil clamping piece and the horizontal clamping arm;
The wiring board feeding device and the fixed contact feeding device comprise a vibration disc, a linear vibration track, a distributing mechanism and a pushing mechanism, wherein the linear vibration track is arranged at the discharge hole of the vibration disc, the distributing mechanism is arranged at the tail end of the linear vibration track and performs distributing action, and the pushing mechanism performs pushing action from a part on the distributing mechanism to a position corresponding to the clamp.
2. The circuit breaker magnetic trip core assembly welding system of claim 1, wherein: the material distribution mechanism comprises a material distribution turntable support, a material distribution turntable, a turntable rotation driving piece and a material distribution detection sensor, wherein the material distribution turntable is rotatably arranged on the material distribution turntable support, a material hole for feeding a single part is formed in the material distribution turntable, the shape of the material hole is matched with that of a pre-feeding part, an output shaft of the turntable rotation driving piece is connected with the material distribution turntable to drive the material distribution turntable to rotate from a material hole and linear vibration track communication state to a material hole and pushing mechanism communication state, and the detection range of the material distribution detection sensor is positioned on the material hole and is electrically connected with the turntable rotation driving piece.
3. The circuit breaker magnetic trip core assembly welding system of claim 2, wherein: the pushing mechanism comprises a pushing plate, a pushing frame, a pushing seat and a pushing driving cylinder, wherein the pushing plate fixing frame is arranged on the pushing frame, the end part of the pushing plate fixing frame penetrates into the material dividing turntable support, the pushing plate also movably penetrates into a material hole in a state of being communicated with the pushing mechanism, and the shape of the moving direction of the pushing plate is matched with the shape of the pre-feeding part; the pushing frame is fixedly connected with an output shaft of the pushing driving cylinder in a coaxial mode and is in sliding fit with the pushing seat through a sliding block guide rail pair.
4. The circuit breaker magnetic trip core assembly welding system of claim 1, wherein: the welding flux feeding device comprises a feeding chuck seat with a replaceable chuck, a material guiding mechanism, a cutting mechanism and a suction nozzle material moving mechanism, wherein the feeding chuck seat is provided with the chuck for supplying non-wafer welding flux, the material guiding mechanism is arranged at a discharging hole of the chuck to guide the non-wafer in the chuck, the material guiding mechanism is communicated with the cutting mechanism to guide the non-wafer out of the cutting mechanism, the cutting mechanism performs the action of cutting the non-wafer at intervals, the suction nozzle material moving mechanism comprises a suction nozzle piece, a vacuum generator and a suction nozzle material moving linear module for moving the suction nozzle piece, the suction nozzle piece is arranged on the linear module, and a suction hole for sucking the non-wafer is formed in the suction nozzle piece and is communicated with the vacuum generator.
5. The circuit breaker magnetic trip core assembly welding system of claim 1, wherein: a correction device for correcting the coil placement position on the corresponding clamp is arranged between the coil feeding device and the wiring board welding device; the correcting device comprises a radial pressure head, an axial chuck, a pressure head driving cylinder and a chuck driving finger cylinder, wherein the pressure head driving cylinder and the chuck driving finger cylinder are used for respectively driving the radial pressure head and the axial chuck, the axial chuck is close to a coil on the clamp and clamps two ends of the coil, the radial pressure head is provided with a step attached to a preset position, and the step is abutted to the coil flattening position when the radial pressure head is close to the coil flattening position.
6. The circuit breaker magnetic trip core assembly welding system of claim 1, wherein: the wiring board welding device and the fixed contact welding device comprise a welding machine and an output current detection module, wherein the output current detection module is used for detecting whether the output current of the welding machine reaches a preset output value.
7. The circuit breaker magnetic trip core assembly welding system of claim 1, wherein: the discharging device comprises a discharging clamping mechanism which is movably close to the clamp and a recycling mechanism for distinguishing genuine products and waste products, the discharging clamping mechanism comprises a static chuck, a movable chuck and a pushing head which is arranged between the static chuck and the movable chuck, the movable chuck is movably arranged above the static chuck to clamp products between the movable chuck and the static chuck, and the pushing head pushes out the products between the static chuck and the movable chuck to drop onto the recycling mechanism.
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| CN201911167846.3A CN110911235B (en) | 2019-11-25 | 2019-11-25 | Welding system for magnetic tripping core assembly of circuit breaker |
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| CN114388307B (en) * | 2020-10-21 | 2025-03-18 | 浙江正泰电器股份有限公司 | Assembly device and assembly method of magnetic flux converter |
| CN112658523B (en) * | 2021-03-17 | 2021-06-29 | 苏州盈科电子有限公司 | Automatic welding equipment for circuit breaker and metal sheet |
| CN115401370A (en) * | 2022-09-23 | 2022-11-29 | 浙江华亿电气有限公司 | A high-efficiency magnetic component processing equipment |
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| CN207781513U (en) * | 2018-03-02 | 2018-08-28 | 浙江天正电气股份有限公司 | A kind of miniature circuit breaker of assembly easy to automate |
| CN109676303B (en) * | 2019-01-16 | 2023-10-13 | 浙江正通智能装备有限公司 | Reclosing coil machine |
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