CN111618180A

CN111618180A - Automatic punching welding production system in hot double-metal assembly mould

Info

Publication number: CN111618180A
Application number: CN202010507919.5A
Authority: CN
Inventors: 不公告发明人
Original assignee: Yueqing Yedao Electromechanical Co ltd
Current assignee: Yueqing Yedao Electromechanical Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2020-09-04
Anticipated expiration: 2040-06-05
Also published as: CN111618180B

Abstract

The invention discloses an automatic stamping and welding production system in a hot double-metal assembly die, which comprises a forming and welding mechanism, wherein the forming and welding mechanism, a cutting mechanism and a discharging assembly are sequentially butted; an inlet at one end of the forming and welding mechanism is provided with a first punching and welding die, and the inlet of the first punching and welding die is butted with an arc striking plate and a feeding assembly of bimetal; the first stamping and welding die is also provided with a vertical welding assembly, a horizontal welding assembly, a bimetallic blanking assembly, a bimetallic jacking assembly and a blanking and cutting assembly; the inlet of the other end of the forming and welding mechanism is provided with a second punching and welding die, and the inlet of the second punching and welding die is butted with a feeding assembly of a wiring board and a connecting sheet; the second punching and welding die is provided with a punching and bending cutting assembly, a blanking and welding assembly and a turnover mechanism. The device realizes the full-automatic assembly welding molding of the arc striking plate, the double-metal, the wiring board and the connecting sheet.

Description

Automatic punching welding production system in hot double-metal assembly mould

Technical Field

The invention belongs to the technical field of production line equipment, and relates to an automatic punching and welding production system in a hot dual-metal assembly mould.

Background

The hot dual-gold assembly is a core component inside the molded case circuit breaker and is formed by assembling and welding four single pieces of an arc striking plate, dual-gold, a connecting sheet and a wiring board. The four single pieces are easy to cause inconsistent performance of the low-voltage circuit breaker due to multi-process turnover and multiple welding. The thickness of the connecting sheet is only 0.3mm, the specified tripping distance between the bimetal and the arc striking plate easily changes the shape and the size in the multi-process punching and welding turnover process, and the function of the hot bimetal component is seriously influenced. The arc striking plate is difficult to realize smooth automatic feeding without material blockage due to multi-bending. The run-on plate and two gold are different composite metal, produce easily during the welding and splash, except leading to the welded connection firmness not qualified, what is more serious splashes in case bond on the mould, can lead to the mould to be harmd, causes the welding point effect poor. The existing welding feeding equipment adopts a horizontal turntable to configure a multi-shaft manipulator to match with a vibration disc for feeding, the equipment structure is complex, the equipment structure cannot adapt to parts with different tolerances, and the parts cannot be flexibly adjusted to a centered position.

By adopting the manual operation, seven sets of tool equipment and 9-10 workers are needed for processing the hot dual-metal assembly, the labor intensity is high, the technical requirement is high, the working procedure is complicated, the production cost is high, and the requirement of batch production cannot be met; the stamping efficiency is high, the service life of the electrode is short due to overheating of the welding electrode, the production efficiency is obviously reduced by carrying out treatment on the spatter grinding electrode, replacing multiple sets of die equipment, welding equipment and the electrode, and stamping and welding cannot be realized in the die. Through retrieval, a full-automatic in-mold welding system which can be realized in the same station mold at the same time is not successfully realized at present, and the application of in-mold automatic punching welding aiming at an arc striking plate and double-metal is not provided.

Disclosure of Invention

The invention aims to provide an automatic punching and welding production system in a hot double-metal component die, which solves the problems that in the processing process of a hot double-metal component in the prior art, full-automatic punching, assembling, welding, feeding, cutting and forming cannot be realized by an arc striking plate, double metal, a connecting sheet and a wiring board, the working efficiency is low, and the product quality is unstable.

The technical scheme adopted by the invention is that the automatic punching welding production system in the hot double-metal component mould comprises a forming welding mechanism, wherein the output end of the forming welding mechanism is butted with a cutting mechanism, and the output end of the cutting mechanism is matched with a discharging component; a first stamping and welding die is arranged at an inlet position at one end of the forming and welding mechanism, and an arc striking plate feeding assembly and a dual-metal feeding assembly are simultaneously butted at the inlet end of the first stamping and welding die; a vertical welding assembly and a horizontal welding assembly are arranged at the outlet end of one of the stamping and welding dies, a bimetallic blanking assembly is arranged in a U-shaped groove at the outlet end of a lower die of the stamping and welding die, and a bimetallic jacking assembly is arranged at the discharge position at the front end below the bimetallic blanking assembly; the outlet end of the blanking and cutting assembly is butted with the multi-groove track, and the outlet end of the multi-groove track is butted with the forming and welding mechanism;

a second stamping and welding die is arranged at the inlet position of the other end of the forming and welding mechanism, and the second stamping and welding die, the forming and welding mechanism and the first stamping and welding die are all arranged on the workbench; the inlet end of the second punching and welding die is simultaneously butted with a wiring board feeding assembly and a connecting sheet feeding assembly; a punching, folding and cutting assembly is arranged at the inlet end of the punching and welding die II; and a blanking welding assembly and a turnover mechanism are arranged at the outlet end of the lower part of the second stamping welding die.

The invention discloses an automatic stamping and welding production system in a hot dual-gold component die, which is further characterized in that:

the first stamping and welding die structurally comprises a fixed lower die frame, wherein a first lower die base plate is arranged on a first lower die seat on the upper surface of the lower die frame, and a first lower die plate is arranged on the upper surface of the first lower die base plate; the inlet ends of the lower template I are an arc striking plate strip material inlet and a bimetallic strip material inlet, and the outlet end of the blanking and cutting assembly is butted with a multi-curved surface of the multi-groove track; the upper blanking plate is upwards connected with the upper die plate I, the upper die plate I is upwards fixed with the upper die backing plate I and the upper die base I into a whole, and a die handle I is arranged in the middle of the upper die base I; the upper blanking plate is provided with a pair of first material pressing grooves along the feeding direction, and the first material pressing grooves are opposite to the first lower template at intervals; the lower die seat I and the upper die seat I are connected through a floating assembly.

The second punching and welding die is structurally characterized by comprising a fixed second lower die holder, wherein a second lower die plate is arranged on the upper surface of the second lower die holder, the second lower die plate is upwards opposite to and spaced from a second upper die plate, two baffle plates are hung in the middle of the second upper die plate, the second upper die plate is upwards spaced from the second upper die plate, a plurality of groups of buffer springs are connected between the second upper die plate and the second upper die plate, the second upper die plate is upwards fixedly connected with the second upper die holder into a whole through a second upper die base plate, and a second die handle is arranged in the middle of the second upper die holder; the upper template II is provided with a pair of material pressing grooves II along the material feeding direction, and the material pressing grooves II of the upper template II are downward opposite to the lower template; and a floating mechanism is arranged between the upper die holder II and the lower die holder II.

The invention has the beneficial effects that: 1) and sequentially completing punching, trimming, blanking, first bending, second bending, trimming, blanking and feeding of the dual-metal by the arc striking plate and the dual-metal, and completing assembly and punching welding of the arc striking plate with one discharge outlet and the dual-metal mold to obtain a first semi-finished product of the arc striking plate and the dual-metal. 2) And sequentially completing punching, trimming and blanking, first bending and trimming, blanking and feeding of the connecting sheets, and completing assembly and punching welding of the connecting sheets with two in the first die and the connecting sheet die to obtain a second semi-finished product of the connecting sheet-connecting sheet. 3) And simultaneously feeding the semi-finished product I and the semi-finished product II into a forming welding mechanism for welding, and then feeding into a cutting mechanism for cutting to obtain a final finished product. 4) The existing four sets of die equipment, three sets of welding equipment and nineteen processing procedures are integrated into two stamping and welding dies and a forming and welding mechanism, the welding qualification rate reaches 100%, the service life of an electrode is prolonged by 45 times, and the production efficiency is improved by 15 times.

Drawings

FIG. 1 is a schematic diagram of the structure of the work object (final product of the hot bimetallic assembly) of the present invention;

FIG. 2 is a schematic layout diagram of a punching and welding process of a run-on plate and a bimetal in a working object of the invention;

FIG. 3 is a schematic diagram of the overall architecture of the system of the present invention;

FIG. 4 is a schematic structural diagram of a first stamping and welding die 28 and a second stamping and welding die 29 in the present invention;

FIG. 5 is a schematic view of the welded assembly of the first die-welding set 28 of the present invention;

FIG. 6 is a schematic view of the structure of the form welding mechanism 40 and the cutting mechanism 41 in the present invention;

FIG. 7 is a schematic structural view of turnover mechanism 97 for a second semi-finished product in the present invention;

fig. 8 is a schematic structural view of the arc striking plate feeding assembly 42 and the dual-gold feeding assembly 31 in the present invention;

fig. 9 is a schematic view of the construction of a bimetallic blanking assembly 95 of the present invention;

FIG. 10 is a schematic view of the construction of the blanking and welding assembly 136 of the present invention;

FIG. 11 is a schematic view of a portion of the structure of FIG. 10;

FIG. 12 is a schematic view of the f-directed partial structure of FIG. 11;

FIG. 13 is a schematic view of the whole process mechanism of the thermal dual-gold component of the present invention.

In the figure, 1, a strip material of an arc striking plate, 2, a first station, 3, a second station, 4, a third station, 5, a fourth station, 6, a fifth station, 7, a drawing hole, 8, a double-gold strip material, 9, a ninth station, 10, an arc striking plate, 11, double-gold, 12, a sixth station, 13, a tenth station, 14, an eleventh station, 15, a twelfth station, 16, a strip trimming edge, 17, a thirteenth station, 18, a wiring board, 19, a seventh station, 20, a strip material of a connecting sheet, 21, a trimming edge, 22, a sixteenth station, 23, a connecting sheet, 24, an eighth station, 25, an eighteenth station, 26, a strip material of the wiring board, 27, a fourteenth station, 28, a first punching welding die, 29, a second punching welding die, 30, a second bracket, 31, a double-gold feeding assembly, 32, a feeding assembly of the wiring board, 33, a feeding assembly of the connecting sheet, 34, a pushing manipulator, 35, a pushing manipulator of the wiring board, 36. an arc striking plate pushing manipulator 37, a double-metal pushing manipulator 38, a multi-groove track 40, a forming and welding mechanism 41, a cutting mechanism 42, an arc striking plate feeding assembly 43, a bracket I, a bracket 44, a multi-curved surface 45, an upper step surface 46, a V-shaped groove 47, a U-shaped groove 48, a lower step surface 49, a mounting plate 50, a cylinder body 51, a lower inclined surface 52, a cylinder I53, an insulating plate 54, a conductive plate 55, a cooling liquid inlet 56, a lower electrode seat 57, an upper electrode seat 58, a cooling liquid outlet 59, an outer electrode 60, an arc groove 61, a cylinder II, a fixed plate I, a fixed plate 63, an inner electrode 64, a welding station 65, a correcting frame 66, a blanking groove 67, a blanking cutter 68, an open groove 69, a convex tip 70, a supporting plate 71, a cross-shaped plate 72, a pressing groove 73, a clamping plate I, a clamping plate II, a clamping plate 75, a pressing cylinder I, 76. a second pressing cylinder 77, a third pressing cylinder 78, a rotary cylinder 79, a relief groove 80, a punching cutter 81, a punching sleeve 82, a first die shank 83, a first upper die base 84, a first upper die backing plate 85, a first upper die plate 86, an upper blanking plate 87, a blanking cutting assembly 88, a horizontal welding assembly 89, a first lower die plate 90, a first lower die backing plate 91, a first lower die base 92, a lower die base 93, an arc striking plate strip material inlet opening 94, a bimetallic strip material inlet opening 95, a bimetallic punching assembly 96, a bimetallic jacking assembly 97, a turnover mechanism 98, a wiring board strip material inlet opening 98, a 99 connecting piece strip material inlet opening 100, a second die shank 101, a second upper die base 102, a second upper die backing plate 103, a second upper die plate 104, a second upper die plate 105, a second lower die plate 106, a second lower die base 107, a straight spring 108, a buffer spring 109, a guide pillar 109 and a vertical welding assembly, 110. the punching pin I, the 111 floating nail, the 112 upper die insert I, the 113 upper die insert II, the 114 upper die primary bending, the 115 upper die secondary bending, the 116 slingshot glue I, the 117 upper die insert III, the 118 conveying track, the 119 lower die insert III, the 127 semi-finished product material belt, the 130 upper die insert IV, the 131 feed channel I, the 132 feed channel II, the 133 upper die insert V, the 134 guide column, the 135 upper die bending, the 136 blanking welding component, the 137 reservation station, the 139 strip material chute, the 140 spring, the 141T-shaped edge I, the 142T-shaped block I, the 143T-shaped block V, the 144 lower die insert I, the 145T-shaped block II, the 146T-shaped edge II, the 147T-shaped insert II, the 148T-shaped edge block III, the 149, the 150 straight edge I, the 151 oblique edge II, the 152 straight edge IV, the 154 lower die primary bending, the 154T-shaped block IV, the 155V edge II, 156. a straight edge II, 157 a lower die secondary bending, 158 a straight edge III, 159 a V-shaped groove, 160 a T-shaped block seven, 163 a welding line, 164 a step groove block, 165 a table edge, 166 a straight edge VI, 167 a lower die bending, 168 an arc striking plate feeding channel, 169 a bimetal feeding channel, 170 a seventeenth station, 171 a fifteenth station, 172 a punching and folding cutting component, 173 a nineteenth station, 200 a square groove, 201 a fixed cutter, 203 a bimetal discharging groove, 204 a fixed die holder, 205 a bimetal discharging insert, 206 a waste discharging insert, 207 a waste discharging groove, 210 a driving seat, 212 an electrode I, 213 a feeding channel, 214 a pushing groove, 215 a through groove, 217 a bending forming station, 219 a V-shaped groove plate, 220 a front die holder, 221 a male die, 223 an outer edge, 225 an electrode II, 226 an upper plate, 228 an inclined lower inclined groove plate, 229 an inclined plane plate, 230 an inclined plane positioning column, 231. the end cutting tool bit, 232, a supporting piece, 234, an upper inclined plate, 235, a bending die, 236, a lower inclined plate, 237, an outer convex arc plate, 238, a high step, 239, a low step, 240, an arc groove plate, 241, a V-shaped positioning block, 243, a hydraulic cylinder II, 244, a rear die backing plate, 245, a rear die working die, 289, a hydraulic cylinder I, 290, a fixing plate II, an 291, a sliding block, 292, a sliding vertical plate, 293, a movable cutting knife, 294, a sliding sleeve, 295, a step push rod, 296, a rear connecting rod, 297, a push plate I, 298, a sliding column, 310, a cylinder III, 311, a vertical plate, 312, a push rod I, 313, a linear sliding pair, 314, a sliding frame, 315, an electrode pair I, 316, a correcting block, a push plate II, 318, a double sliding rod, 319, a push rod II, 320, a double sliding rod cylinder, 321, a fixing plate III, 322, an upper backing plate, 323, a convex edge, 324, a front step, 325, 328. the device comprises a rear step, 334, a U-shaped conveying groove, 335, a through hole, 336, a welding step, 342, an optical axis, 344, a fixed sliding table, 346, a hydraulic cylinder III, 347, a push rod III, 350, an L-shaped plate and 351, and a push rod IV.

Detailed Description

The upper, lower, left and right positions in the following description are based on the display on the corresponding drawings, and so on.

Referring to fig. 1 and 2, the process flow of the implementation object (thermal double-gold component) of the invention is as follows:

in the first path, a first arc starting plate-bimetallic semi-finished product is assembled and welded, the feeding direction is along the arrow direction X1, the arc starting plate strip 1 and the bimetallic strip 8 are mutually in a 90-degree posture and are simultaneously input into a first punching and welding die 28, and the arc starting plate strip 1 is punched at a first station 2 to obtain a drawing hole 7; punching the edge of the arc starting plate strip material 1 at a second station 3 to obtain a width size sample plate of the arc starting plate 10; the arc striking plate strip 1 is subjected to jack positioning and edge cutting at a third station 4; the template of the arc striking plate 10 is punched and bent for the first time at a fourth station 5; the arc striking plate 10 sample plate is punched and bent for the second time at a fifth station 6, and meanwhile, the bimetal strip 8 is blanked for the bimetal 11 at a ninth station 9 to obtain a single bimetal 11; welding a single piece of double-metal 11 and a first bending part of a sample plate 10 on the arc striking plate strip 1 at a sixth station 12 to obtain a first semi-finished product;

in the second path, the semi-finished product II of the wiring board and the connecting sheet is assembled and welded, the feeding direction is along the arrow direction X2, the wiring board strip 26 and the connecting sheet strip 20 are mutually in a 90-degree posture and are simultaneously input into a second punching and welding die 29, and the wiring board strip 26 is punched at a tenth station 13 to form a drawing hole; the terminal block strip 26 is trimmed at the eleventh station 14 to obtain a width dimension template for the terminal block 18; the wiring board strip 26 is subjected to jack positioning and edge cutting at the twelfth station 15; the wiring board strip 26 is used for stamping and bending the wiring board 18 sample plate at a thirteenth station 17, and the waste edges of the wiring board strip 26 and the wiring board 18 are blanked at a fourteenth station 27; meanwhile, a material belt trimming 16 is carried out at a nineteenth station 173, a trimming 21 of the connecting piece belt material 20 is carried out, and a conveying hole is formed in the trimming 21; the connecting piece strip 20 cuts the connecting piece 23 at a sixteenth station 22, bends the connecting piece 23 at a seventeenth station 170, butt-joints the connecting piece 23 bent at an eighteenth station 25 with the wiring board 18, assembles and rotates, welds and molds the wiring board 18 and the connecting piece 23 at a fifteenth station 171 to obtain a second semi-finished product, and the second semi-finished product at the fifteenth station 171 in the figure 2 is in an overturned state;

the semi-finished product I and the semi-finished product II obtained in the process are simultaneously sent to a seventh station 19, the upper ends of the bimetallic strip 11 in the semi-finished product I, the arc starting plate 10 and the connecting sheet 23 in the semi-finished product II are aligned, the solder mask forming is completed at a welding station 64 (the welding station 64 is an independent assembly welding station and is the last welding and assembly station) of a forming and welding mechanism 40, and the tail end of the arc starting plate 10 in the finished product is also connected with the arc starting plate strip 1; finally, blanking of the arc striking plate 10 in a finished product is carried out at an eighth station 24, and the single finished product of the obtained hot dual-gold component is output by a discharging component.

Referring to fig. 3, 4 and 8, the overall structure of the system of the invention is that the system comprises a forming and welding mechanism 40, the output end of the forming and welding mechanism 40 is butted with a cutting mechanism 41, and the output end of the cutting mechanism 41 is provided with a discharging component; a first stamping and welding die 28 is arranged at an inlet position (along the direction of an arrow X1) at one end of the forming and welding mechanism 40, wherein the first stamping and welding die 28 is a comprehensive functional die integrating stamping, folding, cutting, welding and cooling, and is also called a multi-station continuous stamping and welding die, the inlet end of the first stamping and welding die 28 is simultaneously butted with an arc striking plate feeding assembly 42 and a dual-gold feeding assembly 31, the arc striking plate feeding assembly 42 and the dual-gold feeding assembly 31 are both arranged on a first bracket 43, a dual-gold strip 8 is input into the first stamping and welding die 28 in a vertical state (an arc striking plate strip feeding port 93 and a dual-gold strip feeding port 94 are shown in figure 4, an arc striking plate pushing manipulator 36 is arranged at an arc striking plate strip feeding butt joint 93, and a dual-gold strip feeding butt joint 94 is arranged with a dual-gold pushing manipulator 37; a vertical welding assembly 109 and a horizontal welding assembly 88 are arranged at the outlet end of the first stamping and welding die 28, the horizontal welding assembly 88 and the vertical welding assembly 109 are matched, electrified and pressurized to be welded to obtain a first semi-finished product, a double-gold stamping assembly 95 is arranged in a U-shaped groove at the outlet end of the lower die of the first stamping and welding die 28, and a double-gold jacking assembly 96 is arranged at a discharge position at the front end below the double-gold stamping assembly 95; a blanking and cutting assembly 87 is arranged at the outlet end of the first stamping and welding die 28, the outlet end of the blanking and cutting assembly 87 is in butt joint with the multi-groove track 38, the outlet end of the multi-groove track 38 is in butt joint with the forming and welding mechanism 40, and the first semi-finished product is conveyed to the forming and welding mechanism 40 along the multi-groove track 38;

a second stamping and welding die 29 is arranged at the inlet position (along the direction of an arrow X2) at the other end of the forming and welding mechanism 40, and the second stamping and welding die 29, the forming and welding mechanism 40 and the first stamping and welding die 28 are all arranged on a workbench (the second stamping and welding die 29 is a comprehensive functional die integrating stamping, folding, cutting, welding and cooling and also belongs to a multi-station continuous stamping and welding die); a wiring board feeding assembly 32 and a connecting sheet feeding assembly 33 are simultaneously butted at the inlet end of the second punching and welding die 29 (a wiring board strip feeding port 98 and a connecting sheet strip feeding port 99 are shown in fig. 4, the wiring board strip feeding port 98 is provided with a wiring board pushing manipulator 34, the connecting sheet strip feeding port 99 is provided with a connecting sheet pushing manipulator 35), the wiring board feeding assembly 32 and the connecting sheet feeding assembly 33 are both installed on the second support 30, and the connecting sheet strip 20 is vertically input into the second punching and welding die 29; a punching and folding component 172 aiming at the wiring board 18 is arranged at the inlet end of the second punching and welding die 29; the fifteenth station 171 is arranged in a U-shaped groove at the outlet end of the lower part of the second stamping and welding die 29, and a stamping and welding assembly 136 and a turnover mechanism 97 aiming at the connecting sheet 23 are arranged at the outlet end of the lower part of the second stamping and welding die 29;

after the blanking and welding assembly 136 blanks the vertical connecting sheet 23, the wiring board 18 is butted with the connecting sheet 23 and then electrified and pressurized for welding to obtain a semi-finished product II, and then the posture of the semi-finished product II is adjusted by the turnover mechanism 97; and the second semi-finished product is butted with the semi-finished product entering along the multi-groove track 38 again, so that the upper ends of the arc striking plate, the bimetallic strip and the connecting sheet are aligned, the arc striking plate, the bimetallic strip and the connecting sheet are welded and formed by a forming and welding mechanism 40, blanking is completed by a cutting mechanism 41, a finished product is obtained, and whether the finished product is qualified or not is judged by a discharging assembly and is sent to different collecting boxes.

Referring to fig. 4, the first stamping and welding mold 28 has a structure including a fixed lower mold frame 92, a lower mold backing plate 90 is mounted on a lower mold base 91 on the upper surface of the lower mold frame 92, and a lower mold plate 89 is mounted on the upper surface of the lower mold backing plate 90; the inlet ends of the lower template I89 are an arc striking plate strip material inlet 93 and a dual-gold strip material inlet 94, the outlet end of the lower template I89 is provided with a blanking and cutting assembly 87, and the outlet end of the blanking and cutting assembly 87 is butted with the multi-curved surface 44 of the multi-groove track 38; the first lower template 89 is provided with upper blanking plates 86 at intervals upwards, the upper blanking plates 86 are upwards connected with the first upper die plate 85, the lower surface of the first upper die plate 85 is provided with two pairs of catapult rubber 116, the first upper die plate 85 is upwards fixed with the first upper die backing plate 84 and the first upper die base 83 into a whole by a plurality of bolts, and the middle position of the first upper die base 83 is provided with a first die handle 82; the upper blanking plate 86 is provided with a pair of first pressing grooves (pressing strips of the pressing plate) along the feeding direction, the first pressing grooves are opposite to the first lower template 89 at intervals and used for temporarily pressing the arc striking plate strips 1 staying step by step, and the reserved gap is 0.03 mm; a plurality of groups of floating nails are arranged on the lower die base plate I90, and the first pressure groove I is matched with the plurality of groups of floating nails to guide the run-on plate strip 1 to move forwards; the lower die holder I91 and the upper die holder I83 are connected by a floating assembly (the floating assembly adopts a pair of straight guide posts, a buffer spring, a linear sliding bearing and a guide sleeve);

the second punching and welding die 29 is structurally characterized by comprising a fixed second lower die holder 106, a second lower template 105 is mounted on the upper surface of the second lower die holder 106, the second lower template 105 is upwards opposite to and spaced from a second upper template 104, two baffles (used for fixing an upper die bend 135 and an upper die insert fifth 133 respectively) are hung in the middle of the second upper template 104, a second upper die plate 103 is upwards spaced from the second upper template 104, a plurality of groups of buffer springs 108 are connected between the second upper template 104 and the second upper die plate 103, the second upper die plate 103 is upwards fixedly connected with the second upper die holder 101 into a whole through a second upper die backing plate 102, and a second die handle 100 is arranged in the middle of the second upper die holder 101; a pair of material pressing grooves II (pressing plate pressing strips) are formed in the upper template II 104 along the material feeding direction, the material pressing grooves II of the upper template II 104 are downward opposite to the lower template II 105 at intervals and used for temporarily pressing the wiring board strips 26 staying step by step, and the reserved gap is 0.03 mm; a floating mechanism is arranged between the second upper die holder 101 and the second lower die holder 106 (the floating mechanism adopts a plurality of groups of straight guide posts 107, floating springs, linear sliding bearings and guide sleeves).

Referring to fig. 5, the first stamping and welding mold 28 is provided with an upright welding assembly 109 (extending and contracting in the upright direction) and a horizontal welding assembly 88 (extending and contracting in the horizontal direction) correspondingly,

the vertical welding assembly 109 is structurally characterized by comprising a fixed upper backing plate 322, a fixed plate III 321 is fixed on the lower surface of the upper backing plate 322, a double-sliding-rod cylinder 320 is fixed on the lower surface of the fixed plate III 321, a double-sliding-rod 318 is connected to the cylinder body of the double-sliding-rod cylinder 320 in a downward direction, a push plate II 317 is sleeved on the double-sliding-rod 318, a push rod II 319 of the double-sliding-rod cylinder 320 is in transmission connection with the push plate II 317, a pair of v-shaped correcting blocks 316 are arranged on the lower surface of the push plate II 317 at intervals, and the push plate II 317 slides up and down along the double-sliding; the front end of each correction block 316 is provided with a mounting groove 326, the opening edge of the mounting groove 326 is inlaid with a second convex electrode pair 325, the inner section of the mounting groove 326 is provided with a freezing liquid groove 327, the lower end of each correction block 316 is provided with a convex edge 323, and a front step 324 and a rear step 328 are arranged in front of and behind the convex edge 323; the convex edge 323, the front step 324 and the rear step 328 are matched with the overall dimension of the multi-curved surface 44 together, the profile of the arc striking plate is further corrected when the arc striking plate is punched downwards, the minimum welding thermal deformation of the arc striking plate and the bimetal is ensured, the first semi-finished product can meet the requirement of tripping performance, the freezing liquid in the freezing liquid tank 327 circularly cools the second electrode pair 325 in the welding gap, and the deformation of the second electrode pair 325 and the splashing caused by electrode overheating are eliminated;

the horizontal welding assembly 88 is structurally characterized by comprising an upper plate fixed on the outer edge of the outlet end of a first 85 upper die plate, a linear sliding pair 313 is arranged on the lower surface of the upper plate, a sliding frame 314 is sleeved in the linear sliding pair 313, a first electrode pair 315 is arranged at the front end of the sliding frame 314, a vertical plate 311 is fixedly connected to the outer edge of the upper plate, a third air cylinder 310 is fixed on the outer vertical surface of the vertical plate 311, and a first push rod 312 of the third air cylinder 310 is in transmission connection with the sliding frame 314; the vertical welding assembly 109 and the horizontal welding assembly 88 are matched with each other, so that the electrode pair I315 extends forwards and the electrode pair II 325 clamps a welding object, and meanwhile, the assembly welding of the two semi-finished products I is completed.

Referring to fig. 6, the multi-curved surface 44 of the multi-groove track 38 has a structure in which a rib (here, a welding station 64), a lower step surface 48, a curved surface, a V-shaped groove 46, and an upper step surface 45 are sequentially disposed from a lower surface to a higher surface of the multi-curved surface 44; the end face of the multi-curved-surface 44 is provided with an arc groove 60, a U-shaped groove 47, a lower inclined surface 51, a V-shaped groove 46 (penetrating front and back), a charging groove 66 and an open groove 68 in sequence from low to high; the cutting mechanism 41 and the forming and welding mechanism 40 are arranged above the outlet end of the multi-curved surface 44,

the cutting mechanism 41 comprises a blanking cutter 67, wherein the blanking cutter 67 is positioned above the open slot 68, and the blanking cutter 67 is arranged at the rear part of the lower surface of the first fixing plate 62; the front part of the lower surface of the first fixed plate 62 is provided with a correcting frame 65, a convex tip 69 at the lower end of the correcting frame 65 is consistent with the shape of the V-shaped groove 46, the correcting frame 65 is sleeved on a pair of sliding rods in a sliding manner, the pair of sliding rods are fixedly connected with the cylinder body 50 of the second air cylinder 61, and the correcting frame 65 is in transmission connection with the second air cylinder 61;

the forming and welding mechanism 40 is structurally characterized by comprising an inner electrode 63 and an outer electrode 59 which are opposite to each other in the horizontal direction, the replaceable inner electrode 63 is arranged at the front end of a correcting frame 65, the outer electrode 59 is clamped between an upper electrode holder 57 and a lower electrode holder 56, the upper electrode holder 57 and the lower electrode holder 56 are fixedly connected with a conductive plate 54, the conductive plate 54 is in transmission connection with a first cylinder 52 through an insulating plate 53, and the cylinder body of the first cylinder 52 is fixedly arranged on a mounting plate 49; the upper electrode seat 57 is provided with a cooling liquid outlet 58, and the conductive plate 54 is provided with a cooling liquid inlet 55; the first cylinder 52 drives the conductive plate 54 to drive the outer electrode 59 to be close to the inner electrode 63, the first semi-finished product and the second semi-finished product are clamped to realize resistance welding, and then the cutting mechanism 41 finishes blanking.

Referring to fig. 7, canting mechanism 97 is positioned proximate the exit end of arcuate slot 60, the individual components described below are not shown in fig. 7,

the turnover mechanism 97 is structurally characterized by comprising a rotary cylinder 78, wherein a cylinder body fixing clamp of the rotary cylinder 78 is arranged in the arc groove 60, a cross-shaped plate 71 is arranged on a rotating shaft of the rotary cylinder 78, each direction of the cross-shaped plate 71 comprises a first clamping plate 73 and a second clamping plate 74 (called as a group), and a gap called as a material pressing groove 72 (used for clamping the wiring board 18) is arranged between each group of the first clamping plate 73 and the second clamping plate 74; a fixed support plate 70 is adjacently arranged on the outer side of the cross-shaped plate 71, a second pressing cylinder 76 (used for pressing the wiring board 18 in the pressing groove 72 to prevent the wiring board from running) is arranged on the outer surface of the support plate 70 close to the first horizontal side clamping plate 73, and a third pressing cylinder 77 (used for pressing the wiring board 18 in the pressing groove 72 to prevent the wiring board from running) is arranged on the outer surface of the support plate 70 close to the first horizontal side clamping plate 73; a pair of first pressing cylinders 75 are horizontally arranged at the outer end of the supporting plate 70, the cylinder bodies of the first pressing cylinders 75 are fixed on the side surface of the second upper template 104, the cylinder rod of each first pressing cylinder 75 penetrates through the supporting plate 70 (the cylinder rod does not rotate and is propped against the wiring board 18 after extending out), one first pressing cylinder 75 is used for pushing the second unqualified product of the connecting sheet 23 and the semi-finished product of the wiring board 18 out of the turnover mechanism 97 to be collected by an unqualified box, and the other first pressing cylinder 75 is used for pushing the second qualified product of the connecting sheet 23 and the semi-finished product of the wiring board 18 out of the turnover mechanism; (whether the second semi-finished product of the connecting sheet 23 and the wiring board 18 is qualified or not is judged, two probes driven by two independent cylinders are adopted to clamp the connecting sheet 23 and the second semi-finished product of the wiring board 18 for conducting an electrifying test, and according to the relation that the resistance is multiplied by the current and is equal to the voltage, the qualified product is judged to be qualified when the qualified voltage is reached, and the unqualified product is judged to be unqualified when the qualified voltage is not reached, the method is an innovative point of the invention, and the application of the method for detecting the welding quality is not seen at present); a blanking sleeve 81 is arranged above the supporting plate 70, the blanking sleeve 81 is fixedly connected with a second upper die plate 104, a blanking knife 80 is arranged in the blanking sleeve 81, a position, adjacent to the first clamping plate 73 and the second clamping plate 74, of the supporting plate 70 below the blanking knife 80 is provided with a relief groove 79, and when the second upper die plate 104 brings the blanking sleeve 81 and the blanking knife 80 to move downwards, redundant burrs exposed out of the wiring board 18 are blanked, so that the burrs of the wiring board 18 are prevented from influencing the normal rotation of the rotary cylinder 78.

The turnover mechanism 97 has the function that when the connecting sheet 23 and the semi-finished product II of the wiring board 18 are fed, namely in the left half part of the figure 7, the wiring board 18 is in an upper state and the connecting sheet 23 is in a lower state before turnover; the rotary cylinder 78 rotates 180 degrees, the turnover mechanism 97 rotates the semi-finished product two to the right half of fig. 7, and the turnover state is that the wiring board 18 is on the lower side and the connecting sheet 23 is on the upper side. (fig. 7 shows a display graph of the rotary cylinder 78 sleeved in the arc groove 60, and the right half part of the actual fig. 7 is the semi-finished product II with the required posture of the fig. 13 and is sent into the forming and welding mechanism 40.)

Referring to fig. 8, the dual-gold feeding assembly 31 and the connecting sheet feeding assembly 33 are vertically installed in the same structure, and the run-on plate feeding assembly 42 and the wiring board feeding assembly 32 are horizontally installed in the same structure;

the structure of the double-gold feeding assembly 31 is that the double-gold feeding assembly comprises a coil feeding I, a vertical conveying rail and a double-gold pushing manipulator 37; the first coil material discharging step comprises a first coil material tray, a brake frame and a first driving stepping motor which are arranged on a first rotating shaft frame, a first bimetallic strip 8 is arranged in the first coil material tray, and the bimetallic strip 8 is led out and then enters a vertical conveying rail; the three sides of the inner side of the vertical conveying track are provided with rollers, and the bimetallic strip 8 is conveyed forwards along the rollers;

similarly, the structure of the run-on plate feeding assembly 42 is that the run-on plate feeding assembly comprises a second coil feeding frame, a horizontal conveying rail and a run-on plate pushing manipulator 36, the second coil feeding frame comprises a second coil tray, the horizontal conveying rail, a brake frame and a second driving stepping motor, the second coil tray, the horizontal conveying rail and the brake frame are arranged on the second rotating shaft frame, the run-on plate strip 1 is arranged in the second coil tray, the run-on plate strip 1 is led out and then enters the horizontal conveying rail, a plurality of rollers are arranged on the inner edge of the horizontal conveying rail and on the inner sides of the horizontal conveying rail, and the run-on plate strip 1 is conveyed forwards along the;

the double-metal pushing manipulator 37 and the arc striking plate pushing manipulator 36 are arranged at the inlet of the lower die of the first stamping and welding die 28, the double-metal pushing manipulator 37 pushes and presses double insertion rods through a cylinder, the double insertion rods push the double-metal strip 8, and the double-metal strip 8 is conveyed to a blanking and cutting assembly 87 of the lower die of the first stamping and welding die 28 step by step according to a fixed length to cut double metal. The arc striking plate pushing manipulator 36 and the double-metal pushing manipulator 37 are consistent in structure and used for conveying the arc striking plate strip material 1 step by step according to a fixed length.

Referring to fig. 9, the double-metal blanking assembly 95 has a structure that the double-metal blanking assembly includes a second fixing plate 290, a first hydraulic cylinder 289 is installed on an outer surface of the second fixing plate 290, four sliding columns 298 and two sliding vertical plates 292 are fixedly connected between the second fixing plate 290 and the fixed mold base 204, a T-shaped fixed cutter 201 is fixed on an inner surface of the fixed mold base 204, sliding sleeves 294 are arranged on shoulders of two ends of the fixed cutter 201, the sliding sleeves 294 and the sliding vertical plates 292 form a sliding pair, the sliding sleeves 294 and a movable cutter 293 form a sliding pair, the movable cutter 293 is fixedly connected with a sliding block 291 through a first push plate 297, the sliding block 291 is in transmission connection with the first hydraulic cylinder 289, and the sliding block; a step push rod 295 is arranged close to the movable cutter 293, the step push rod 295 is fixedly connected with the sliding block 291 through a rear connecting rod 296, and a square groove 200 for air release and deburring is arranged in the movable cutter 293; install two gold ejection of compact inserts 205 and waste material ejection of compact insert 206 in the fixed die base 204, two gold ejection of compact inserts 205 and waste material ejection of compact insert 206 all are located the first 91 outsides of die holder, it has two gold blown down tanks 203 to link up in two gold ejection of compact inserts 205, it has waste material blown down tank 207 to link up in waste material ejection of compact insert 206, square groove 200 is just right with the waste material blown down tank 207 that sets up in insert 206, two gold blown down tank 203 import is just right with step push rod 295 (the single two gold after the shearing is pushed to two gold blown down tanks 203, insert by two gold hold up tank on two gold jacking subassembly 96).

Referring to fig. 10, 11 and 12, the blanking and welding assembly 136 includes a second hydraulic cylinder 243, and a cylinder body of the second hydraulic cylinder 243 and a rear die backing plate 244 are fixedly connected with the front die holder 220 through four optical axes 342 to form a die holder; the four optical axes 342 are sleeved with a rear mold 245, and the rear mold 245 is in transmission connection with the second hydraulic cylinder 243 and can slide along the four optical axes 342; the upper part of the front die holder 220 is provided with a bending die 235, the lower part of the front die holder 220 is fixedly provided with a hydraulic cylinder III 346, the hydraulic cylinder III 346 is in transmission connection with the driving seat 210, and a first electrode 212 is sleeved in a square groove at the rear end of the driving seat 210; the space between the driving seat 210 and the bending die 235 is used as a pushing groove 214 of the conveying wiring board; the second electrode 225 is arranged at the upper part of the front end of the positioning die 230, the positioning die 230 is fixed at the front end of the fourth push rod 351, an end cutting head 231 is arranged below the second electrode 225 at intervals, the end cutting head 231 is fixed at the front end of the third push rod 347, the third push rod 347 and the end cutting head 231 are arranged in parallel with the positioning die 230, the third push rod 347 and the end cutting head 231 are positioned at one side of the positioning die 230, a male die 221 and a connecting rod thereof are arranged at the other side of the positioning die 230, and the male die 221 and the connecting rod thereof are arranged in parallel;

a U-shaped conveying groove 334 and a through hole 335 of a bending wiring board are transversely arranged at the upper part of the rear end of the bending die 235, a first electrode 212 and a second electrode 225 are opposite to each other along the through hole 335, the bottom edge of the through hole 335 is higher than that of the U-shaped conveying groove 334, a welding step 336 is arranged below the through hole 335, a V-shaped groove plate 219 of a bending connecting piece is arranged below the U-shaped conveying groove 334 and the welding step 336, the V-shaped groove plate 219 is opposite to the positioning die 230, the V-shaped groove plate 219 with an arc is spliced by an upper inclined plate 234 and a lower inclined plate 236, a through groove 215 is longitudinally arranged in the V-shaped groove plate 219, and an outer edge 223 is arranged at the; when the cutting device works, the second hydraulic cylinder 243 drives the end cutting head 231 at the front end of the third push rod 347 to penetrate through the through groove 215 and cooperate with the outer edge 223 to cut off the connecting piece 23;

an L-shaped plate 350 is fixed on the upper end face of an upper inclined plate 234 of the V-shaped groove plate 219, the L-shaped plate 350 is in butt joint with a welding step 336, a space between the L-shaped plate 350 and the rear end face of a bending die 235 is called a feeding channel 213 of a connecting sheet material belt, and the feeding channel 213 is parallel to a pushing groove 214; the input end of the feeding channel 213 is butted with a connecting sheet strip feeding hole 99 of the second stamping and welding die 29, the output end of the feeding channel 213 is welded with the connecting sheet 23 and discharges a semi-finished product II without turning (in the left half part of fig. 7, the connecting sheet 18 is above and the connecting sheet 23 is below) after the welding of the wiring board 18 and the connecting sheet 23 is finished at the fifteenth station 171 (namely, the welding is finished at the through hole 335 and the welding step 336 and then the cutting is carried out by the end cutting tool bit 231);

the positioning die 230 is slidably sleeved with the U-shaped sliding groove of the U-shaped sliding groove column 229, the pair of U-shaped sliding groove columns 229 is fixedly connected with the fixed sliding table 344 and used for guiding the end cutting tool bit 231 and the V-shaped positioning block 241, the positioning die 230 slides along the U-shaped sliding groove of the U-shaped sliding groove column 229, the U-shaped sliding groove column 229 is fixed on the vertical surface of the bending die 235 on the outer side of the V-shaped groove plate 219, and a return spring is arranged in the U-shaped sliding groove column 229; the U-shaped chute column 229 is slidably connected with the supporting piece 232, and the supporting piece 232 is fixedly connected with the rear die backing plate 244; the rear end of the fourth push rod 351, the rear end of the third push rod 347, the rear end of the connecting rod of the male die 221 and the rear end of the supporting piece 232 are fixedly connected with the rear die 245;

a V-shaped positioning block 241 is arranged in the middle of the front end of the positioning die 230 (the V-shaped positioning block 241 is matched with the V-shaped groove plate 219 on the bending die 235 to tightly press the connecting piece to realize positioning before cutting), and the shape of the V-shaped positioning block 241 comprises an upper inclined plane plate 226 and a lower inclined plane plate 228; the male die 221 is structurally characterized in that a convex arc plate 237 is arranged on the front end face, the upper surface of the convex arc plate 237 is a high step 238, the lower surface of the convex arc plate 237 is butted with an arc groove plate 240, and the lower surface of the arc groove plate 240 is a low step 239; the V-shaped groove plate 219 serves as a female die for bending the connecting piece, the male die 221 serves as a male die for bending the connecting piece, and the working position of the joint of the V-shaped groove plate 219 and the male die 221 is called a bending forming station 217.

Referring to fig. 13, inside the welding mold 28, the second punching and welding mold 29 and the forming and welding mechanism 40, the layout stations of the relevant mechanisms are arranged,

in the punching and welding mold 28, along the material feeding direction (from left to right in fig. 13), a pair of punching needles 110, a trimming and blanking upper mold insert 112 (a T-shaped block 142 is upwards fixedly connected with an upper mold plate 85), a T-shaped edge 141 is arranged at the lower part of the T-shaped block 142, a trimming and blanking upper mold insert 113 (a T-shaped block 145 is upwards fixedly connected with the upper mold plate 85), a T-shaped edge 146 is arranged at the lower part of the T-shaped block 145, a T-shaped block three 148 is upwards fixedly connected with the upper mold plate 85, a bevel edge 149 and a straight edge 150 are arranged at the lower part of the T-shaped block three 148, an upper mold secondary bending 115 (a T-shaped block four 154 is upwards fixedly connected with the upper mold plate 85), a V-shaped edge 155, a straight edge 156 and a straight edge 158 are arranged at the lower part of the T-shaped block four 154, and a trimming and blanking upper mold insert 117 (the structure is consistent with the upper mold insert 113, in addition, two pairs of downward catapult rubber I116 are fixed on the upper die plate I85; the vertical welding assembly 109 is fixed on the upper die backing plate I84 along the direction of the square groove of the upper die plate I85;

a punching needle lower die insert (opposite to a pair of punching needle first 110 on an upper die plate 85 and used for positioning a strip material), a trimming and blanking lower die insert first 144 (a T-shaped edge of a T-shaped block fifth 143 is upward, the T-shaped block fifth 143 is downward and fixedly connected with the lower die pad first 90, the lower die insert first 144 is opposite to an upper die insert first 112), a trimming and blanking lower die insert second 147 (a T-shaped edge of a T-shaped block sixth is upward, the T-shaped block sixth is downward and fixedly connected with the lower die pad first 90, the lower die insert second 147 is opposite to the upper die insert second 113), a lower die primary bend 153 (comprising a U-shaped block, a beveled edge second 151 and a straight edge fourth 152 on the upper part of the U-shaped block are upward, the lower part of the U-shaped block is fixedly connected with the lower die pad first 90, the lower die primary bend 153 is opposite to the upper die insert first bend 114), a lower die secondary bend 157 (a T-shaped block seventh 160, a T-shaped block seven 160 is downwards fixedly connected with a lower die base plate I90, a lower die secondary bending 157 is opposite to an upper die secondary bending 115, and a lower die insert III 119 (a T-shaped tool opening is upwards, the T-shaped block eight is downwards fixedly connected with the lower die base plate I90, the lower die insert III 119 is upwards opposite to a T-shaped punching tool (not shown in the figure) which is fixed on an upper die working plate I85) for trimming and blanking; a plurality of pairs of floating nails 111 are sequentially arranged on the lower die cushion plate I90 from left to right (the lower end of each floating nail 111 is arranged on the lower die cushion plate I90 through a respective spring 140, and the inner sides of the upper parts of each pair of floating nails 111 are horizontally provided with strip chutes 139;

the multi-curved surface 44 of the multi-groove track 38 is used as an arc striking plate feeding channel 168 and a dual-gold feeding channel 169 at the same time, and the semi-finished material belt 127 is transported to move forwards together (at this time, no blanking exists on the arc striking plate and the dual-gold punching-welded semi-finished product, and uninterrupted physical connection exists);

along the feeding direction of the second stamping and welding die 29, a pair of punching needles II, an upper die insert IV 130 with cut edges and blanking (a T-shaped knife edge nine on a T-shaped block nine of the upper die insert IV 130 is downward, the T-shaped block nine is upward and fixedly connected with the upper die plate 103), an upper die insert V133 with cut edges and blanking (a T-shaped knife edge ten on a T-shaped block ten of the upper die insert V133 is downward, the T-shaped block ten is upward and fixedly connected with the upper die plate 103), an upper die bend 135 (the upper die bend 135 is formed by welding a stepped groove-shaped block 164 and an upper die holder 162 through a welding seam 163, the lower part of the upper die bend 135 is provided with a table edge 165, and the stepped groove-shaped block 164 on the upper die bend 135 is upward and fixedly connected with the upper die plate 103) and a blanking and welding assembly 136 are sequentially arranged at intervals on the; the lower parts of the upper die insert IV 130 and the upper die insert V133 respectively correspond to the square grooves of the lower die insert respectively and are used for cutting edges; a lower die bend 167 is arranged right below the upper die bend 135, an L-shaped block on the lower die bend 167 is fixedly connected with the upper die plate II 104, and a straight edge sixth 166 on the upper part of the L-shaped block is right opposite to the table edge 165 upwards; a guide post 134 is arranged along the square groove of the upper die plate II 103, and the upper end of the guide post 134 is fixed on the upper die base plate 103; the other two pairs of the catapult-rubber plates II are fixedly arranged on the upper die work plate II 103; a reserved station 137 is arranged on the second upper template 104, and a first feeding channel 131 and a second feeding channel 132 are also arranged on the second upper template 104 and are respectively butted with the connecting sheet strip feeding hole 99 and the wiring board strip feeding hole 98;

the arc starting plate after the first bend 114 advances along the conveying track 118, the connecting sheet 131 advances along the first feeding channel 131, and the wiring board 132 advances along the second feeding channel 132.

The structure of bimetallic jacking assembly 96 is that, including the push-up cylinder, the cylinder body of push-up cylinder is fixed on the L step of workstation right-hand member, and the push rod of push-up cylinder upwards passes this push rod upper end and is connected with the fixed plate after die holder 91, and the fixed plate suit is on the guide bar, and the fixed plate upper end is equipped with the bimetallic reserve tank.

All the action parts are connected with the master controller through signals, work coordinately and consistently, and complete the in-mold automatic punching and welding molding of the hot dual-metal assembly in a matching manner. The mechanisms not described in detail above are all adapted to the existing technologies and equipment.

The working process of the invention is implemented according to the following steps:

step 1, inserting a pair of step bolts on an arc starting plate pushing manipulator 36 into a preset hole outside an arc starting plate strip material 1 along with the arc starting plate strip material 1, conveying the arc starting plate 10 to a first punching and welding die 28 by taking the arrow direction of a fixed-length step pitch X1 as a feeding direction, stopping the arc starting plate 10 at a first station 2 along the feeding advancing direction, and punching;

the bimetal 11 is inserted into a preset hole outside the bimetal strip 8 along the bimetal feeding component 31 by a pair of step pins on the bimetal pushing manipulator 37, is conveyed to a first stamping and welding die 28 (the bimetal strip 8 is input to the first stamping and welding die 28 in a vertical state) by taking the arrow direction of a fixed-length step pitch X1 as a feeding direction, and stops blanking along the bimetal strip 8 at a ninth station 9 along the feeding advancing direction;

the steps 2 to 7 in the first punching and welding die 28 are synchronously carried out, and the steps are sequentially carried out according to fixed-length step pitch step-by-step conveying circulation;

step 2, cutting waste outside the punched outer edge of the first station 2 of the lower template 89 by a pair of cutting knives arranged up and down of a first trimming and blanking lower die insert 144 and a first trimming and blanking upper die insert 112; the trimmed arc striking plate strips 1 are conveyed to a second station 3 along the strip chute 139 at the upper end of the plurality of groups of floating nails 111 at a fixed step distance to the right and stopped;

step 3, trimming and blanking are carried out on the trimming at the second station 3 by a pair of cutting knives arranged up and down of a lower die insert II 147 and an upper die insert II 113, and the trimmed arc striking plate strip 1 is conveyed to a fourth station 5 at a right fixed step distance along a strip chute 139 at the upper end of a plurality of groups of floating nails 111 to stop;

step 4, the fourth station 5 realizes stamping first bending, a pair of stamping bending arranged up and down is formed by the lower die primary bending 153 and the upper die primary bending 114, the stamping bending edge conveys the run-on plate strip 1 to the right at a fixed step distance, and the run-on plate strip is conveyed to the fifth station 6 to stop at the right at the fixed step distance;

step 5, the fifth station 6 realizes punching second bending, and the punching bending is distributed up and down through a pair of lower die secondary bending 157 and upper die secondary bending 117; the bimetal second bending conveys the arc striking plate strip 1 to the right fixed step pitch, and conveys the arc striking plate strip to the sixth station 12 to stop at the right fixed step pitch;

step 6, meanwhile, arranging a U-shaped groove continuous roller for vertical conveying on the bimetallic strip 11 along with the bimetallic strip 8 at a ninth station 9; the bimetal 11 is blanked at the ninth station 9 along with the bimetal strip 8, and then is blanked and formed by the bimetal blanking assembly and then falls into the bimetal storage tank of the bimetal jacking assembly 96, the jacking cylinder pushes the bimetal in the bimetal storage tank to be pushed and lifted to the outer end of the V-shaped track of the sixth station 12, the second bend of the arc striking plate is aligned with the bimetal, and the horizontal welding assembly 88 and the vertical welding assembly 109 simultaneously electrify, pressurize and weld the arc striking plate and the bimetal for forming; before each welding, the head and the rod of the electrode pair one 315 at the front end of the vertical welding assembly 109 are both contracted in the circulating conductive liquid of the box body for cooling (invention point), and the electrode seat of the horizontal welding assembly 88 is communicated with the cooling liquid during welding; after the welding is finished, the semi-finished product of the arc striking plate and the bimetal is conveyed to a seventh station 19 by a right fixed step pitch and stopped;

step 7, finishing the blanking of the arc striking plate-dual-gold semi-finished product I by a seventh station 19, trimming and blanking by a blanking and cutting assembly 87, and trimming and blanking the waste belt material of the arc striking plate-dual-gold semi-finished product I; the waste belt material enters a waste material box for collection; then the semi-finished product I of the arc striking plate-bimetal enters the multi-groove track 38;

the following steps 8-16 in the second punching and welding die 29 are synchronously carried out, and the steps are sequentially carried out according to fixed-length step pitch step-by-step conveying circulation;

moving along the arrow X2, and in steps 8-14, horizontally inputting the wiring board feeding assembly 32 into a second stamping and welding die 29, and vertically inputting the connecting sheet feeding assembly 33 into the second stamping and welding die 29;

step 8, in the tenth station, the wiring board 18 punches a hole 13 with the wiring board strip 26 by using a pair of punching needles 129;

step 9, in the eleventh station 14, the second upper die plate 103 punches the edge of the wiring board 18 through the fourth upper die insert 130;

step 10, at the twelfth station 15, an upper mold insert five 133 is provided on the upper mold plate two 103 to cut edges of the wiring board 18;

step 11, stamping and bending the wiring board 18 by the lower die bending 167 and the upper die bending 135 at a thirteenth station 17;

step 12, in a fourteenth station 27, the end cutting head 231 of the positioning die 230 blanks the wiring board 18;

at the same time as the patch panel 18 is performed at steps 9 to 12, the connection pads 23 are synchronized at steps 13 to 15,

step 13, cutting edges of the connecting sheets 23 by the connecting sheet strips 20 at a sixteenth station 22;

step 14, in a seventeenth station 170, bending the connecting sheet 23 after edge cutting;

step 15, in an eighteenth station 25, a punching knife at the lower end of the positioning die 230 is matched with a cutting edge 21 of the connecting sheet strip 20, and a conveying hole in the cutting edge 21 is cut off; meanwhile, the end cutting bit 231 is matched with the outer edge 223 of the through groove 215 to cut the connecting piece 23, and the wiring board 18 is assembled with the connecting piece 23

Step 16, in a fifteenth station 171, bending the wiring board and welding the connecting sheets by the blanking and welding assembly 136;

the working process of the blanking and welding assembly 136 and the turnover mechanism 97 is as follows: the wiring board strip material 26 is guided by the pushing groove 214, conveyed to the welding step 336 and the through groove 215 through the U-shaped groove 334 and waits for being assembled with the connecting piece 23; the connecting sheet feeding assembly 33 inputs the connecting sheet strip 20 in a vertical state into a feeding channel 213 of a bending die 235 of the blanking and welding assembly 136 of the blanking and welding die II 29 along the arrow direction of X2 by using a conveying hole on the trimming 21, and conveys the connecting sheet strip along the feeding channel 213 into a V-shaped groove plate 219 of the bending die 235 of the seventeenth station 170, the connecting sheet 23 is bent by matching with the male die 221, the bent connecting sheet 23 is conveyed to the eighteenth station 25 along with the connecting sheet strip 20, the trimming 21 of the connecting sheet strip 20 is punched by matching of a punching knife at the lower end of the positioning die 230, and the conveying hole on the trimming 21 is punched; meanwhile, the end cutting head 231 is matched with the outer edge 223 of the through groove 215 to cut the connecting piece 23, the wiring board 18 is assembled with the connecting piece 23, meanwhile, the first electrode 212 is driven by the third hydraulic cylinder 346 to penetrate through the through hole 335, the second electrode 225 is driven by the second hydraulic cylinder 243 to drive the second die 245 to drive the second electrode 225, the wiring board and the connecting piece are clamped and electrified at the welding step 336, and the second semi-finished product is obtained through pressure welding.

The second semi-finished product, i.e., the tab 23, is pushed by the subsequent tab strip 20 into the swaging groove 72 of the tilting mechanism 97, as shown in the left half of fig. 7, with the wiring board 18 below the upper tab 23; after the semi-finished product II is turned over by 180 degrees through the turning mechanism 97, as shown in the right half part of fig. 7, the semi-finished product II is changed into a wiring board 18 on the lower connecting sheet 23; the third pressing cylinder 77 releases the wiring board 18, the second semi-finished product is conveyed to the fifteenth station 171 through the second stroke of the first pressing cylinder 75, and the second semi-finished product is butted with the semi-finished product entering along the multi-groove rail 38 again, so that the upper ends of the arc striking plate, the bimetal and the connecting sheet are aligned, and the welding forming is performed by the forming welding mechanism 40.

Step 17, in the seventh station 19, the forming and welding mechanism 40 welds the semi-finished product I and the semi-finished product II, the semi-finished products are conveyed to the eighth station 24 after welding and cut and formed by the cutting mechanism 41, the finished products are output,

the cutting mechanism 41 drives the blanking cutter 67 to remove waste burrs on the outer edge of the arc striking plate, the upper inclined surface 51 of the L-shaped fixing plate I62 and the V-shaped groove 69 are driven to position and press a first semi-finished product, the inner electrode 63 presses the arc striking plate and the upper end of the bimetal on the upper inclined surface 51, the bimetal is clamped into the U-shaped groove 47, the turnover mechanism 97 rotates the air cylinder 78 to rotate 180 degrees, the connection plate is pressed by the pressing air cylinder II 76 and the pressing air cylinder I75, the connection plate is rotated to be tightly attached to the upper end of the bimetal by the second semi-finished product, the connection plate, the bimetal and the arc striking plate are pressed together, and after being electrified and welded into a shape, a hot bimetal assembly is obtained, and the hot bimetal assembly is pushed by;

the full-automatic punching welding forming of the arc striking plate, the bimetal, the wiring board and the connecting sheet of the low-voltage apparatus is completed by the circulation.

Claims

1. The utility model provides an automatic punching welding production system in hot pair gold subassembly mould which characterized in that: the automatic cutting machine comprises a forming and welding mechanism (40), wherein the output end of the forming and welding mechanism (40) is butted with a cutting mechanism (41), and the output end of the cutting mechanism (41) is matched with a discharging assembly; a first stamping and welding die (28) is arranged at an inlet position at one end of the forming and welding mechanism (40), and an arc striking plate feeding assembly (42) and a bimetal feeding assembly (31) are simultaneously butted at an inlet end of the first stamping and welding die (28); a vertical welding assembly (109) and a horizontal welding assembly (88) are arranged at the outlet end of the first stamping and welding die (28), a bimetal blanking assembly (95) is arranged in a U-shaped groove at the outlet end of the lower die of the first stamping and welding die (28), and a bimetal jacking assembly (96) is arranged at the discharging position of the front end below the bimetal blanking assembly (95); a blanking and cutting assembly (87) is arranged at the outlet end of the first stamping and welding die (28), the outlet end of the blanking and cutting assembly (87) is in butt joint with the multi-groove track (38), and the outlet end of the multi-groove track (38) is in butt joint with a forming and welding mechanism (40);

a second stamping and welding die (29) is arranged at the inlet position of the other end of the forming and welding mechanism (40), and the second stamping and welding die (29), the forming and welding mechanism (40) and the first stamping and welding die (28) are all arranged on the workbench; the inlet end of the second punching and welding die (29) is simultaneously butted with a wiring board feeding assembly (32) and a connecting sheet feeding assembly (33); a punching, folding and cutting component (172) is arranged at the inlet end of the second punching and welding die (29); the outlet end of the lower part of the second punching and welding die (29) is provided with a punching and welding assembly (136) and a turnover mechanism (97).

2. The automatic stamping and welding production system in hot double-gold component mould according to claim 1, characterized in that: the structure of the first stamping and welding die (28) comprises a fixed lower die frame (92), a lower die base plate I (90) is installed on a lower die seat I (91) on the upper surface of the lower die frame (92), and a lower die plate I (89) is installed on the upper surface of the lower die base plate I (90); the inlet ends of the lower template I (89) are an arc striking plate strip material inlet (93) and a dual-metal strip material inlet (94), and the outlet end of the blanking and cutting assembly (87) is butted with a multi-curved surface (44) of the multi-groove track (38); the lower die plate I (89) is provided with upper blanking plates (86) upwards at intervals, the upper blanking plates (86) are upwards connected with the upper die plate I (85), the upper die plate I (85) is upwards fixed with the upper die backing plate I (84) and the upper die base I (83) into a whole, and the middle position of the upper die base I (83) is provided with a die shank I (82); the upper blanking plate (86) is provided with a pair of first material pressing grooves along the feeding direction, and the first material pressing grooves are opposite to the first lower template (89) at intervals; the lower die seat I (91) is connected with the upper die seat I (83) through a floating assembly.

3. The automatic stamping and welding production system in hot double-gold component mould according to claim 1, characterized in that: the second stamping and welding die (29) structurally comprises a fixed second lower die holder (106), a second lower template (105) is mounted on the upper surface of the second lower die holder (106), the second lower template (105) is upwards opposite to and is provided with a second upper template (104) at intervals, two baffle plates are hung in the middle of the second upper template (104), a second upper die plate (103) is upwards arranged at intervals on the second upper template (104), a plurality of groups of buffer springs (108) are connected between the second upper die plate (104) and the second upper die plate (103), the second upper die plate (103) is upwards fixedly connected with the second upper die holder (101) into a whole through a second upper die base plate (102), and a second die handle (100) is arranged in the middle of the second upper die holder (101); a pair of material pressing grooves II are formed in the upper template II (104) along the material feeding direction, and the material pressing grooves II of the upper template II (104) are downward opposite to the lower template II (105) at intervals; a floating mechanism is arranged between the second upper die holder (101) and the second lower die holder (106).

4. The automatic stamping and welding production system in hot double-gold component mould according to claim 1, characterized in that: the vertical welding assembly (109) structurally comprises a fixed upper base plate (322), a fixed plate III (321) is fixed on the lower surface of the upper base plate (322), a double-slide-rod cylinder (320) is fixed on the lower surface of the fixed plate III (321), a double-slide rod (318) is connected to the cylinder body of the double-slide-rod cylinder (320) downwards, a push plate II (317) is sleeved on the double-slide rod (318), a push rod II (319) of the double-slide-rod cylinder (320) is in transmission connection with the push plate II (317), and a pair of correcting blocks (316) are arranged on the lower surface of the push plate II (317) at; the front end of each correction block (316) is provided with a mounting groove (326), the opening edge of the mounting groove (326) is inlaid with a second electrode pair (325), the inner section of the mounting groove (326) is provided with a freezing liquid groove (327), the lower end of each correction block (316) is provided with a convex edge (323), and a front step (324) and a rear step (328) are arranged in front of and behind the convex edge (323);

the structure of horizontal welding subassembly (88) be, including fixing the upper plate at last template one (85) exit end outward flange, the lower surface of upper plate is equipped with sharp vice (313) that slides, sliding frame (314) are equipped with to the cover in the vice (313) that slides of straight line, sliding frame (314) front end is provided with electrode pair one (315), outer edge fixedly connected with riser (311) of upper plate, be fixed with cylinder three (310) at riser (311) facade, push rod one (312) and sliding frame (314) transmission of cylinder three (310) are connected.

5. The automatic stamping and welding production system in hot double-gold component mould according to claim 1, characterized in that: the cutting mechanism (41) is structurally characterized by comprising a blanking cutter (67), wherein the blanking cutter (67) is positioned above the open groove (68), and the blanking cutter (67) is arranged at the rear part of the lower surface of the first fixing plate (62); the front part of the lower surface of the first fixing plate (62) is provided with a correcting frame (65), a convex tip (69) at the lower end of the correcting frame (65) is consistent with the shape of the V-shaped groove (46), the correcting frame (65) is sleeved on a pair of sliding rods in a sliding mode, the pair of sliding rods are fixedly connected with a cylinder body (50) of the second air cylinder (61), and the correcting frame (65) is in transmission connection with the second air cylinder (61).

6. The automatic stamping and welding production system in hot double-gold component mould according to claim 1, characterized in that: the forming and welding mechanism (40) is structurally characterized by comprising an inner electrode (63) and an outer electrode (59) which are opposite to each other in the horizontal direction, wherein the inner electrode (63) is arranged at the front end of a correcting frame (65), the outer electrode (59) is clamped between an upper electrode holder (57) and a lower electrode holder (56), the upper electrode holder (57) and the lower electrode holder (56) are fixedly connected with a conductive plate (54), and the conductive plate (54) is in transmission connection with a cylinder I (52) through an insulating plate (53); the upper electrode seat (57) is provided with a cooling liquid outlet (58), and the conductive plate (54) is provided with a cooling liquid inlet (55).

7. The automatic stamping and welding production system in hot double-gold component mould according to claim 1, characterized in that: the structure of the double-metal blanking assembly (95) is that the double-metal blanking assembly comprises a second fixed plate (290), a first hydraulic cylinder (289) is installed on the outer surface of the second fixed plate (290), four sliding columns (298) and two sliding vertical plates (292) are fixedly connected between the second fixed plate (290) and a fixed die holder (204), a fixed cutter (201) is fixed on the inner surface of the fixed die holder (204), sliding sleeves (294) are arranged on shoulders at two ends of the fixed cutter (201), the sliding sleeves (294) and the sliding vertical plates (292) form a sliding pair, the sliding sleeves (294) and a movable cutter (293) form a sliding pair, the movable cutter (293) is fixedly connected with a sliding block (291) through a first push plate (297), the sliding block (291) is in transmission connection with the first hydraulic cylinder (289), and the sliding block (291) and the sliding columns (298) and the;

a step push rod (295) is arranged close to the movable cutter (293), the step push rod (295) is fixedly connected with the sliding block (291) through a rear connecting rod (296), and a square groove (200) is arranged in the movable cutter (293); install two gold ejection of compact inserts (205) and waste material ejection of compact insert (206) in die holder (204), two gold ejection of compact inserts (205) and waste material ejection of compact insert (206) all are located the lower bolster one (91) outside, it has two gold blown down tanks (203) to link in two gold ejection of compact inserts (205), it has waste material blown down tank (207) to link in waste material ejection of compact insert (206), square groove (200) are just right with waste material blown down tank (207) of setting in insert (206), two gold blown down tank (203) import is just right with step push rod (295).

8. The automatic stamping and welding production system in hot double-gold component mould according to claim 1, characterized in that: the blanking and welding assembly (136) structurally comprises a second hydraulic cylinder (243), wherein a cylinder body of the second hydraulic cylinder (243) and a rear die base plate (244) are fixedly connected with a front die holder (220) through four optical axes (342) to form a die holder together; the four optical axes (342) are sleeved with a rear mold (245), and the rear mold (245) is in transmission connection with a second hydraulic cylinder (243); the upper part of the front die holder (220) is provided with a bending die (235), the lower part of the front die holder (220) is fixedly provided with a hydraulic cylinder III (346), the hydraulic cylinder III (346) is in transmission connection with the driving seat (210), and a first electrode (212) is sleeved in a square groove at the rear end of the driving seat (210); a space between the driving seat (210) and the bending die (235) is used as a pushing groove (214) of the conveying wiring board; the second electrode (225) is arranged at the upper part of the front end of the positioning die (230), the positioning die (230) is fixed at the front end of the fourth push rod (351), end cutting heads (231) are arranged below the second electrode (225) at intervals, the end cutting heads (231) are fixed at the front end of the third push rod (347), the third push rod (347) and the end cutting heads (231) are arranged in parallel with the positioning die (230), the third push rod (347) and the end cutting heads (231) are positioned at one side of the positioning die (230), a male die (221) and a connecting rod thereof are arranged at the other side of the positioning die (230), and the male die (221) and the connecting rod thereof are arranged in parallel with the positioning die (230);

a U-shaped conveying groove (334) and a through hole (335) are transversely arranged at the upper part of the rear end of the bending die (235), a first electrode (212) and a second electrode (225) are opposite to each other along the through hole (335), the bottom edge of the through hole (335) is higher than that of the U-shaped conveying groove (334), a welding step (336) is arranged below the through hole (335), a V-shaped groove plate (219) is arranged below the U-shaped conveying groove (334) and the welding step (336), the V-shaped groove plate (219) is opposite to the positioning die (230), the V-shaped groove plate (219) is formed by splicing an upper inclined plate (234) and a lower inclined plate (236), a through groove (215) is longitudinally formed in the V-shaped groove plate (219), and an outer edge blade (223) is arranged at the opening edge of the through groove (215);

an L-shaped plate (350) is fixed on the upper end face of an upper inclined plate (234) of a V-shaped groove plate (219), the L-shaped plate (350) is in butt joint with a welding step (336), a space between the L-shaped plate (350) and the rear end face of a bending die (235) is called a feeding channel (213) of a connecting sheet material belt, and the feeding channel (213) is parallel to a pushing groove (214); the input end of the feeding channel (213) is butted with a connecting sheet strip feeding port (99) of the second punching and welding die (29);

the positioning die (230) is sleeved with a U-shaped sliding groove of a U-shaped sliding groove column (229) in a sliding mode, the U-shaped sliding groove column (229) is fixed on a vertical surface of the bending die (235) on the outer side of a V-shaped groove plate (219), and a return spring is arranged in the U-shaped sliding groove column (229); the U-shaped chute column (229) is connected with the supporting piece (232) in a sliding mode, and the supporting piece (232) is fixedly connected with the rear die backing plate (244); the rear end of the fourth push rod (351), the rear end of the third push rod (347), the rear end of the connecting rod of the male die (221) and the rear end of the supporting piece (232) are fixedly connected with the rear die working die (245); the middle part of the front end of the positioning die (230) is provided with a V-shaped positioning block (241).

9. The automatic stamping and welding production system in hot double-gold component mould according to claim 2, characterized in that: a pair of punching pins I (110), an upper die insert I (112), an upper die insert II (113), an upper die primary bending (114), an upper die secondary bending (115) and an upper die insert III (117) are sequentially arranged on an upper die tooling plate I (85) at intervals along the feeding direction in the first punching and welding die (28), and in addition, two pairs of downward catapult glue I (116) are fixed on the upper die tooling plate I (85);

a punching needle lower die insert, a lower die insert I (144), a lower die insert II (147), a lower die primary bending (153), a lower die secondary bending (157) and a lower die insert III (119) are sequentially arranged on the lower die base plate I (90) from left to right at intervals; and a plurality of pairs of floating nails (111) are sequentially arranged on the lower die base plate I (90) from left to right.

10. The automatic stamping and welding production system in hot double-gold component mould according to claim 3, characterized in that: along the feeding direction of the second stamping and welding die (29), the lower surface of the second upper die plate (103) is sequentially provided with a pair of second stamping pin, a pair of fourth upper die insert (130), a pair of fifth upper die insert (133), a pair of bent upper die (135) and a pair of stamping and welding assembly (136) at intervals; the lower parts of the upper die insert IV (130) and the upper die insert V (133) respectively correspond to the square grooves of the lower die insert; a lower die bending part (167) is arranged right below the upper die bending part (135); a guide post (134) is arranged along the square groove of the upper die work plate II (103), and the upper end of the guide post (134) is fixed on the upper die base plate (103); and the other two pairs of slingshot second glue are fixedly arranged on the upper die work plate second (103).