CN114883148A

CN114883148A - Automatic welding machine for relay contact system component

Info

Publication number: CN114883148A
Application number: CN202210669190.0A
Authority: CN
Inventors: 张科枝; 傅合志; 王俊淇; 沈梦龙
Original assignee: KRK TECHNOLOGY CO LTD
Current assignee: KRK TECHNOLOGY CO LTD
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-08-09

Abstract

The application relates to an automatic welding machine for relay contact system components, which comprises a machine table, an on-line device, a wire stripping device, a wire feeding device, a wire releasing device, a material belt placing frame and a welding device, wherein the wire stripping device comprises a wire stripping mechanism and a wire pulling mechanism, and the wire stripping mechanism clamps a plurality of wires arranged in a wire arranging device through a wire stripping tool and is matched with the wire pulling mechanism to pull for stripping and cutting; the material belt placing frame is used for placing a connecting sheet material belt and a movable reed material belt, and the connecting sheet material belt and the movable reed material belt are positioned on two sides of the material belt placing frame; the wire feeding device clamps and moves the wire processed by the wire stripping device to the upper part of the material belt placing frame; the pay-off device is used for clamping and transferring the wire which is sent to the upper part of the material belt placing frame between the connecting sheet material belt and the movable spring sheet material belt; the welding device is used for welding a lead connecting part between the connecting sheet material strip and the movable spring sheet material strip at a welding station; this application has the effect that improves wire and movable spring leaf and connection piece welded efficiency.

Description

Automatic welding machine for relay contact system component

Technical Field

The application relates to the field of relay production equipment, in particular to an automatic welding machine for relay contact system components.

Background

The electromagnetic relay mainly comprises a contact system, an electromagnetic system, a counterforce device and a protection device, wherein the contact system is used as one of main parts of the electromagnetic relay, and the contact system comprises a base component and an armature component.

The existing contact system is composed of two procedures in the assembling process, wherein a connecting sheet is firstly pressed into a base, and then a movable spring of an armature component and the connecting sheet in the base component are welded through a lead to form the contact system.

The existing welding of the lead, the movable spring and the connecting sheet is usually carried out manually or step by welding equipment, so that the defect of low welding efficiency exists.

Disclosure of Invention

In order to improve the efficiency of wire and movable spring and connection piece welding, this application provides the automatic weld machine of relay contact system part.

The application provides an automatic weld machine of relay contact system part adopts following technical scheme: comprises a machine table, a plurality of machine tools,

the wire feeding device comprises a wire frame and a wire arranging device, wherein the wire frame is used for placing a plurality of wire cylinders and guiding wires in the plurality of wire cylinders to the wire arranging device for straightness arrangement;

the wire stripping device comprises a wire stripping mechanism and a wire pulling mechanism, and the wire stripping mechanism clamps a plurality of wires arranged in the wire arranging device through a wire stripping tool and is matched with the wire pulling mechanism to pull the wire stripping tool to strip and cut the wires;

the material belt placing frame is arranged on the machine table and used for placing a connecting sheet material belt and a movable spring material belt, and the connecting sheet material belt and the movable spring material belt are positioned on two sides of the material belt placing frame;

the wire feeding device is arranged on a machine table between the wire stripping device and the material belt placing frame and comprises a wire feeding clamping mechanism and a wire feeding driving mechanism, the wire feeding clamping mechanism is connected to the wire feeding driving mechanism, the wire feeding clamping mechanism is used for clamping a wire processed by the wire stripping device, and the wire clamped by the wire feeding clamping mechanism is driven to move to the position above the material belt placing frame by the wire feeding driving mechanism;

the pay-off device is used for clamping and transferring the wire fed above the material belt placing frame between the connecting sheet material belt and the movable reed material belt and enabling two ends of the wire to be in contact with the connecting sheet and the movable reed;

the welding device is arranged on the machine table and used for welding a lead connecting part between a connecting sheet material strip and a movable spring sheet material strip at a welding station;

the material belt pushing device is matched with the welding device to intermittently push the material belt to move.

By adopting the technical scheme, the wire feeding device guides the wires of the wire guide cylinder to the wire arranging device for straightness arrangement, the arranged wires are peeled and cut by the wire stripping knife in the wire stripping mechanism and the wire pulling mechanism, then the wire is clamped by a wire feeding clamping mechanism in the wire feeding mechanism, the wire feeding driving mechanism drives the wire feeding clamping mechanism to transfer the wire to the upper part of the material belt placing frame, the wire paying-off device clamps and transfers the wire transferred to the upper part of the material belt placing frame between a connecting sheet material belt and a movable spring sheet material belt, the two ends of the wire are welded between the connecting sheet material belt and the movable spring sheet material belt by a welding device, and the welded material belt is pushed forwards by matching with a material belt pushing device, the actions are repeated in sequence, therefore, the welding of the connecting sheet and the movable spring and the lead is completed, and the welding efficiency of the lead, the movable spring and the connecting sheet is improved.

Preferably, the thread stand comprises a stand body and a plurality of thread cylinder placing seats arranged on the stand body, the stand body above the thread cylinder placing seats is vertically and fixedly provided with a plurality of vertical mounting plates at intervals, two sides of each vertical mounting plate are respectively and fixedly provided with a first thread hole seat corresponding to the thread cylinder placing seat below, a plurality of second thread hole seats corresponding to the first thread hole seats are arranged above the stand body at intervals, and the second thread hole seats face the direction of the thread trimming device; a wire arranging frame is arranged between the wire frame and the wire arranging device, and a plurality of third wire hole seats are arranged on the wire arranging frame corresponding to the second wire hole seats.

The wire arranging device comprises a wire arranging frame, a transverse wire arranging mechanism and a longitudinal wire arranging mechanism, wherein the transverse wire arranging mechanism and the longitudinal wire arranging mechanism are sequentially arranged on the wire arranging frame (231) along the length direction, and the transverse wire arranging mechanism comprises a plurality of transverse wire guiding wheels, a plurality of transverse wire pressing wheels and a transverse adjusting assembly used for adjusting the distance between the transverse wire pressing wheels and the transverse wire guiding wheels;

the plurality of transverse guide wheels are horizontally and alternately connected on the wire arranging frame (231) in a rotating way, the transverse adjusting component comprises a first adjusting block, a first mounting plate, a first guide block and a first adjusting rod, the first adjusting block is horizontally arranged along the length direction of the wire arranging frame (231), the plurality of transverse wire pressing wheels are horizontally and alternately connected on the first adjusting block in a rotating way, the plurality of transverse wire pressing wheels are positioned above the plurality of transverse wire guiding wheels, and the transverse wire guiding wheels and the transverse wire pressing wheels are arranged in a staggered way, the first guide block is vertically and fixedly arranged on the side wall of the first mounting plate, a first guide groove is vertically arranged on the side wall of the first adjusting block far away from the transverse wire pressing wheel, the first adjusting block is connected with the first guide block in a sliding mode through a first guide groove, the first adjusting rod is vertically in threaded connection with the first mounting plate, and the first adjusting block is rotatably connected with the first adjusting rod;

the longitudinal wire arrangement mechanism comprises a plurality of longitudinal wire guiding wheels, a plurality of longitudinal wire pressing wheels and a longitudinal adjusting assembly for adjusting the distance between the longitudinal wire guiding wheels and the longitudinal wire pressing wheels;

the plurality of longitudinal guide wheels are vertically and rotatablely connected on the wire arranging frame (231) at intervals, the longitudinal adjusting component comprises a second adjusting block, a second mounting plate, a second guide block and a second adjusting rod, the second adjusting block is horizontally arranged along the length direction of the wire arranging frame (231), the plurality of longitudinal wire pressing wheels are vertically and rotationally connected to the upper surface of the second adjusting block at intervals, the plurality of longitudinal wire pressing wheels are positioned at one side of the plurality of longitudinal wire guiding wheels, and the longitudinal wire guiding wheels and the longitudinal wire pressing wheels are arranged in a staggered way, the second guide block is horizontally and fixedly arranged on the upper surface of the second mounting plate, a second guide groove is horizontally arranged on the side wall of the second adjusting block far away from the longitudinal wire pressing wheel, the second adjusting block is connected with the second guide block in a sliding mode through a second guide groove, the second adjusting rod is horizontally connected to the second mounting plate in a threaded mode, and the second adjusting block is rotatably connected with the second adjusting rod.

By adopting the technical scheme, the wire barrel is placed on the wire barrel placing seat, the wires are guided to the wire arranging frame through the first wire hole seat and the second wire hole seat, the plurality of wires are arranged and guided to the wire arranging device through the wire arranging frame, and after the plurality of wires are arranged through the wire frame and the wire arranging frame, transverse and longitudinal arrangement is carried out through the transverse wire arranging mechanism and the longitudinal wire arranging mechanism in the wire arranging device in a centralized mode, so that the straightness of the wires is improved.

Preferably, the wire feeding device further comprises a wire feeding and pulling mechanism, the wire feeding and pulling mechanism comprises a wire pulling mounting seat, a wire passing pore plate, a wire pulling pore seat, a wire pulling guide block, a wire pulling cylinder and a first wire clamping cylinder, the wire pulling mounting seat is mounted on a machine table between the wire arranging device and the wire arranging frame, the wire passing pore plate is vertically mounted on the wire pulling mounting seat close to the wire arranging frame, a cylinder body of the wire pulling cylinder is fixed on the wire pulling mounting seat, a telescopic shaft of the wire pulling cylinder is fixed on the wire pulling pore seat, the first wire clamping cylinder is mounted on the wire pulling pore seat, the first wire clamping cylinder is intermittently matched with the wire passing pore of the wire pulling pore seat through a clamping plate to clamp a wire, the wire pulling guide block is fixedly arranged towards the wire arranging device, the wire pulling pore seat is connected with the wire pulling guide block through a sliding seat in a sliding manner, and the wire pulling cylinder is positioned between the wire pulling pore seat and the wire passing pore plate, and the stay wire cylinder and the stay wire guide block are arranged in parallel.

Through adopting above-mentioned technical scheme, further concentrate the wire through crossing the line orifice plate, conveniently pass the hole seat of acting as go-between, through the intermittent type cooperation of first trapping mechanism cylinder with the cylinder of acting as go-between, promote the wire and guide to whole line ware.

Preferably, the wire stripping mechanism further comprises a cutting knife and a wire stripping driving assembly, the wire stripping knife comprises an upper wire stripping knife and a lower wire stripping knife, the upper wire stripping knife and the lower wire stripping knife are arranged oppositely, corresponding wire stripping knife grooves are formed in the upper wire stripping knife and the lower wire stripping knife, the upper wire stripping knife and the lower wire stripping knife are respectively provided with two wire stripping knives, and the two upper wire stripping knives and the two lower wire stripping knives are vertically arranged at intervals;

the cutting knife comprises an upper cutting knife and a lower cutting knife, the upper cutting knife and the lower cutting knife are vertically arranged oppositely, the upper cutting knife is positioned between the two upper wire stripping knives, and the lower cutting knife is positioned between the two lower wire stripping knives;

the wire stripping driving assembly comprises a wire stripping mounting frame, a wire stripping driving motor, a wire stripping lead screw and a wire stripping moving seat, the wire stripping mounting frame is vertically mounted on a machine table, the wire stripping driving motor is mounted at the upper end of the wire stripping mounting frame, the wire stripping lead screw is vertically and rotatably connected to the wire stripping mounting frame, the wire stripping lead screw is reversely threaded from the middle position to two ends, an output shaft of the wire stripping driving motor is coaxially and fixedly connected with one end of the wire stripping lead screw, the wire stripping moving seats are two in number, the two wire stripping moving seats are vertically and slidably connected to the wire stripping mounting frame and are simultaneously in threaded connection with the wire stripping lead screw, and an upper wire stripping knife, an upper wire stripping cutter, a lower wire stripping knife and a lower wire stripping cutter are respectively mounted on the two wire stripping moving seats;

the wire drawing mechanism comprises a first wire drawing mechanism and an upper wire drawing mechanism, and the first wire drawing mechanism and the upper wire drawing mechanism are positioned on two sides of the wire stripping knife;

the first wire pulling mechanism comprises a wire pulling mounting frame, a wire pulling moving seat, a wire pulling screw rod, a wire pulling motor and a clamping assembly for clamping a wire, the wire pulling mounting frame is horizontally mounted on the machine table, the wire pulling moving seat is connected to the wire pulling mounting frame in a sliding mode, the wire pulling screw rod is horizontally and rotatably connected to the wire pulling mounting frame and is in threaded connection with the wire pulling moving seat, the clamping assembly is mounted on the wire pulling moving seat, and the wire pulling motor drives the wire pulling screw rod to rotate so that the clamping assembly is close to or far away from the wire stripping mechanism;

the clamping assembly comprises a first clamping jaw cylinder, a first upper clamping block and a first lower clamping block, wherein a cylinder body of the first clamping jaw cylinder is fixedly arranged on the stay wire moving seat, and the first upper clamping block and the first lower clamping block are respectively arranged on two clamping jaws of the first clamping jaw cylinder;

the utility model discloses a line drawing mechanism of going up is including the mounting bracket of going up the line, the motor of going up the line, the removal seat of going up the line, go up the line lead screw, go up line hole seat and second press from both sides line cylinder, it is on the board to go up line mounting bracket horizontal installation, it moves the horizontal sliding connection of seat on the line to go up the line and on the mounting bracket to move, the lead screw of going up the line rotates to be connected on the mounting bracket of going up the line, and with the removal seat threaded connection of going up the line, go up line hole seat fixed mounting on the removal seat of going up the line, second press from both sides line cylinder and installs on the hole seat of going up the line, just the second press from both sides line cylinder and passes through splint and the line hole intermittent type cooperation centre gripping wire of crossing of the hole seat of going up the line, the motor drive of going up the line lead screw rotates to make the hole seat of going up the line be close to or keep away from the wire stripping mechanism.

By adopting the technical scheme, the wire feeding hole seat of the wire feeding wire drawing mechanism is matched with the second wire clamping cylinder to clamp a wire, the wire is pushed to the wire stripping mechanism by the wire feeding motor, the clamping assembly in the first wire drawing mechanism is driven to be close to the wire stripping mechanism by the wire drawing motor, the end part of the wire is clamped by the clamping assembly, the wire stripping driving assembly in the wire stripping mechanism drives the upper cutter and the lower cutter to be close to cut off the wire, the upper wire stripper and the lower wire stripper which are positioned at two sides of the cutter are clamped at two sides of the wire at the same time, the wire feeding motor drives the wire feeding hole seat to move the wire far away from the wire stripping mechanism, the wire drawing motor drives the clamping assembly to move far away from the wire stripping mechanism, and the upper wire stripper and the lower wire stripper are matched to strip the outer skin at the end part of the wire in the process that the upper wire feeding hole seat and the clamping assembly drive the wire to move, thereby automatically finishing the cleaning of the outer skin of the end part of the wire.

Preferably, the wire feeding clamping mechanism comprises a second clamping jaw cylinder, a second upper clamping block and a second lower clamping block, and the second upper clamping block and the second lower clamping block are oppositely arranged and are respectively arranged on two clamping jaws of the second clamping jaw cylinder;

the wire feeding driving mechanism comprises a wire feeding mounting frame, a longitudinal driving assembly, a vertical driving assembly and a transverse driving assembly, and the wire feeding mounting frame is mounted on the machine table on one side between the wire stripping device and the welding device;

the longitudinal driving assembly comprises a longitudinal driving motor, a longitudinal guide frame, a longitudinal screw rod and a longitudinal moving seat, the longitudinal guide frame is horizontally arranged on the wire feeding mounting frame, the longitudinal screw rod is horizontally and rotatably connected to the longitudinal guide frame, the longitudinal moving seat is connected to the longitudinal guide frame in a sliding mode and is in threaded connection with the longitudinal screw rod, and the longitudinal driving motor drives the screw rod to rotate;

the vertical driving assembly comprises a vertical cylinder and a vertical mounting seat, the vertical cylinder is vertically mounted on the longitudinal moving seat, and the vertical mounting seat is fixedly mounted on a telescopic shaft of the vertical cylinder;

the horizontal driving assembly comprises a horizontal cylinder and a horizontal mounting seat, the horizontal cylinder is horizontally mounted on the side wall of the vertical mounting seat, the horizontal mounting seat is mounted on a telescopic shaft of the horizontal cylinder, and a cylinder body of the second clamping jaw cylinder is fixed on the side wall of the horizontal mounting seat.

By adopting the technical scheme, the transverse driving assembly in the wire feeding driving mechanism drives the second clamping cylinder to be close to the wire stripping device to clamp the wire subjected to wire stripping, and the longitudinal driving assembly, the vertical driving assembly and the transverse driving assembly are matched to transfer the wire to the upper part of the material belt placing frame.

Preferably, the material belt placing frame comprises a bottom plate, a plurality of vertical plates are installed at the vertical intervals of the two sides of the bottom plate, guide plates are horizontally installed on the two vertical plates, and guide grooves for moving the material belt are formed in the opposite side walls of the guide plates along the length direction.

Through adopting above-mentioned technical scheme, the baffle box on two stock guides supplies connection piece material area and movable contact spring material area direction to remove to improve the stability that connection piece material area and movable contact spring material area removed.

Preferably, clamping block and third lower clamping block on pay-off including push cylinder, connecting seat, third clamping jaw cylinder, the third, push cylinder is vertical to be installed on the material area rack, third clamping jaw cylinder level sets up and is located push cylinder top, connecting seat fixed mounting is on push cylinder's telescopic shaft, third clamping jaw cylinder fixed mounting is on the connecting seat, clamping block and third lower clamping block set up relatively and respectively fixed setting on two clamping jaws of third clamping jaw cylinder on the third, clamping block and third lower clamping block have been seted up on the third and have been let the position mouth, it supplies clamping block and second lower clamping block to insert to let the position mouth.

Through adopting above-mentioned technical scheme, promote the cylinder and drive third clamping jaw cylinder and shift up to pressing from both sides the material station, at this moment, clamp splice and second lower clamp splice are in the third on in the mouth of stepping down between the clamp splice and the third lower clamp splice, through the cooperation of second clamping jaw cylinder and third clamping jaw cylinder, shift the wire in the centre gripping subassembly to third clamping jaw cylinder on, rethread promotes cylinder drive third clamping jaw cylinder and moves down the wire to treating welding station department between connection piece material area and the movable spring sheet stock.

Preferably, the material belt placing frame is provided with two positioning and pressing mechanisms for pressing material belts on two sides of a welding position, and when the pay-off device is positioned at a welding station, the third upper clamping block and the third lower clamping block are positioned between the two third positioning and pressing mechanisms;

the positioning and pressing mechanism comprises a pressing cylinder and a positioning pressing plate, the pressing cylinder is vertically installed on the side wall of the vertical plate, the positioning pressing plate is horizontally arranged, one side of the lower surface of the positioning pressing plate is fixed with a telescopic shaft of the pressing cylinder, and a pressing block which is pressed on the material belt is supported by downward extension of one end of the positioning pressing plate.

Through adopting above-mentioned technical scheme, through compressing tightly cylinder drive positioning pressure plate with the material area of welding station department compress tightly to improve material area welded stability, and then improve material area and wire welded precision.

Preferably, material area pusher includes that push rod and drive push rod drive the material area actuating mechanism that the material area moved intermittently on the material area rack, material area actuating mechanism includes fixing base, push up cylinder, horizontal cylinder and ejector pad, fixing base fixed mounting just is located the material area below on the material area rack, the cylinder body of push up the cylinder is installed on the fixing base, the cylinder body of horizontal cylinder and the telescopic shaft fixed connection of push up the cylinder, ejector pad and horizontal cylinder's telescopic shaft fixed connection, the vertical setting of push rod, rectangular hole of stepping down has been seted up along material area moving direction to the stock guide, the push rod corresponds rectangular hole setting of stepping down.

Through adopting above-mentioned technical scheme, the cylinder that pushes up promotes horizontal cylinder rebound to make the push rod upward movement on the pusher seat pass the material and take the clearance, through horizontal cylinder drive push rod horizontal migration, thereby promote the material area and remove along the baffle box.

Preferably, the material belt placing seat is provided with a welding detection device for detecting the welding quality of the lead;

the welding detection device comprises a material belt pressing mechanism, a point line inspection mechanism and a detection mechanism, wherein the material belt pressing mechanism comprises a pressing cylinder and a pressing plate, a cylinder body of the pressing cylinder is vertically fixed on the side wall of a vertical plate, the pressing plate is horizontally arranged, one side of the pressing plate extends to the upper part of the pressing cylinder, a telescopic shaft of the pressing cylinder is fixedly arranged with the pressing plate, and two sides of the lower surface of the pressing plate are arranged in a downward protruding mode corresponding to the position of a material belt;

the point-line inspection mechanism comprises a vertical frame, a plurality of inspection cylinders, a needle seat and ejector pins, the vertical frame is installed on a machine table close to the material belt placing frame, the inspection cylinders are installed on one side of the vertical frame, the ejector pins are vertically installed on the needle seat at intervals and extend downwards to form the needle seat, the material pressing plate is provided with a abdicating notch corresponding to the position of a lead, the ejector pins correspond to the lead through the abdicating notch, and the needle seat is connected with an expansion shaft of the inspection cylinders so as to push the needle seat to drive the ejector pins to press the lead downwards;

the detection mechanism comprises a detection support and a CCD detector, the detection support is installed on the machine table, the CCD detector is installed on the detection support, and the CCD detector is located on one side of the discharging part above the material belt placing frame and is close to the point line inspection mechanism.

Through adopting above-mentioned technical scheme, compress tightly the connection piece material area and the movable reed material area of both sides through pressing material cylinder drive pressure flitch, move down through inspection cylinder drive needle file, make the thimble on the needle file support and press on the wire, whether stable welding of inspection wire is on the material area, detect whether the wire welds on connection piece and movable reed with material area propelling movement to CCD detector below through material area pusher.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the wire feeding device guides wires of a wire barrel to a wire arranging device for straightness arrangement, the arranged wires are subjected to wire peeling and cutting through a wire stripping knife in a wire peeling mechanism and a wire drawing mechanism matched with the wire stripping knife, then the wires are clamped through a wire feeding clamping mechanism in a wire feeding mechanism, the wires are transferred to the upper part of a material belt placing frame through the wire feeding driving mechanism, the wires transferred to the upper part of the material belt placing frame are clamped and transferred between a connecting piece material belt and a movable reed material belt through a wire feeding device, two ends of the wires are welded between the connecting piece material belt and the movable reed material belt through a welding device, the welded material belt is pushed forwards through the material belt pushing device matched with the welding device, and the actions are sequentially repeated, so that the welding of the connecting pieces and the movable reed with the wires is completed, and the welding efficiency of the wires, the movable reed and the connecting pieces is improved;

2. an upper wire hole seat of the upper wire drawing mechanism is matched with the second wire clamping cylinder to clamp a wire, the upper wire hole seat is driven by the upper wire motor to push the wire to the wire stripping mechanism, a clamping assembly in the first wire drawing mechanism is driven by the wire drawing motor to be close to the wire stripping mechanism, simultaneously, the end part of the lead is clamped by the clamping assembly, simultaneously, the wire stripping driving assembly in the wire stripping mechanism drives the upper cutter and the lower cutter to approach to cut off the lead, meanwhile, the upper wire stripping knife and the lower wire stripping knife which are positioned at two sides of the cutting knife are close to and clamped at two sides of the wire, the wire feeding motor drives the wire feeding hole seat to move the wire towards the direction far away from the wire stripping mechanism, the wire pulling motor drives the clamping assembly to move towards the direction far away from the wire stripping mechanism, in the process that the upper wire hole seat and the clamping assembly drive the wire to move, the upper wire stripping knife and the lower wire stripping knife are matched to strip the outer skin at the end part of the wire, so that the outer skin at the end part of the wire is automatically cleaned;

3. connecting piece material area and movable spring strip material area through pressing material cylinder drive pressure flitch to compress tightly both sides move down through inspection cylinder drive needle file, make thimble on the needle file support to press on the wire, whether stable welding of inspection wire is on the material area, detect whether the wire welds on connecting piece and movable spring on with material area propelling movement to CCD detector below through material area pusher.

Drawings

FIG. 1 is a schematic view of the overall structure of an automatic welding machine in the embodiment of the present application.

FIG. 2 is a schematic view of a part of the structure of an automatic welding machine in the embodiment of the present application.

Fig. 3 is a schematic view of the overall structure of a wire stand in the embodiment of the present application.

Fig. 4 is a schematic structural diagram of an incoming line pulling mechanism in the embodiment of the present application.

Fig. 5 is a schematic structural diagram of a wire arranging device in the embodiment of the present application.

Fig. 6 is a schematic view of the overall structure of the wire stripping device in the embodiment of the present application.

Fig. 7 is a schematic structural diagram of a wire stripping mechanism and a wire feeding and pulling mechanism in the embodiment of the application.

Fig. 8 is a schematic structural view of a wire feeding device in the embodiment of the present application.

Fig. 9 is a schematic view of an installation structure of the tape holder, the pay-off device, and the tape pushing device in the embodiment of the present application.

Fig. 10 is a schematic view of an installation structure of the tape holder, the pay-off device, and the welding detection device in the embodiment of the present application.

Fig. 11 is an enlarged view at a in fig. 9.

Fig. 12 is a schematic view of the installation structure of the dotted line inspection mechanism in the embodiment of the present application.

Fig. 13 is a schematic view of the mounting structure of the welding apparatus in the embodiment of the present application.

Description of reference numerals:

1. a machine platform; 11. a material belt placing rack; 111. a base plate; 112. a vertical plate; 113. a material guide plate; 114. a material guide chute; 115. a strip abdication hole; 2. a threading device; 21. a wire frame; 211. a frame body; 212. a bobbin placing seat; 213. a vertical mounting plate; 214. a first wire hole seat; 215. a second wire hole seat; 22. a wire inlet and pulling mechanism; 221. a stay wire mounting seat; 222. a wire passing hole plate; 223. a wire drawing hole seat; 224. a wire pulling guide block; 225. a wire pulling cylinder; 226. a first wire clamping cylinder; 227. a slider; 23. arranging a wire device; 231. a wire arrangement frame; 232. a transverse wire arrangement mechanism; 2321. a transverse wire guide wheel; 2322. a transverse wire pressing wheel; 2323. a first regulating block; 2324. a first mounting plate; 2325. a first guide block; 2326. a first adjusting lever; 2327. a first guide groove; 233. a longitudinal thread trimming mechanism; 2331. a longitudinal wire guide wheel; 2332. a longitudinal wire pressing wheel; 2333. a second regulating block; 2334. a second mounting plate; 2335. a second guide block; 2336. a second adjusting lever; 2337. a second guide groove; 234. a wire inlet hole seat; 235. a wire outlet hole seat; 24. a wire arranging frame; 241. a vertical rod; 242. a third wire hole seat; 3. a wire stripping device; 31. a wire stripping mechanism; 311. wire stripping knife; 3111. an upper wire stripping knife; 3112. a lower wire stripping knife; 3113. a wire stripping cutter groove; 312. a cutting knife; 3121. an upper cutter; 3122. a lower cutter; 313. a wire stripping cutter groove; 314. a wire stripping drive assembly; 3141. a wire stripping mounting rack; 3142. a wire stripping driving motor; 3143. stripping a wire lead screw; 3144. a wire stripping moving seat; 3145. a limiting plate; 3146. an extension mounting arm; 315. a waste collection box; 32. a wire pulling mechanism; 321. a first wire pulling mechanism; 3211. a stay wire mounting rack; 3212. a stay wire moving seat; 3213. a wire drawing screw rod; 3214. a pull wire motor; 3215. a first jaw cylinder; 3216. a first upper clamping block; 3217. a first lower clamping block; 3218. a first wire clamping groove; 322. an upper thread pulling mechanism; 3221. an upper line mounting rack; 3222. an online motor; 3223. an upper line moving seat; 3224. a wire feeding screw rod; 3225. an upper wire hole seat; 3226. a second wire clamping cylinder; 4. a wire feeding device; 41. a wire feeding clamping mechanism; 411. a second jaw cylinder; 412. a second upper clamping block; 413. a second lower clamping block; 414. a second wire clamping groove; 42. a wire feeding drive mechanism; 421. a wire feeding mounting rack; 422. a longitudinal drive assembly; 4221. a longitudinal driving motor; 4222. a longitudinal guide frame; 4223. a longitudinal screw rod; 4224. a longitudinal moving seat; 423. a vertical drive assembly; 4231. a vertical cylinder; 4232. a vertical mounting seat; 424. a lateral drive assembly; 4241. a transverse cylinder; 4242. a transverse mounting seat; 5. a pay-off device; 51. a push cylinder; 52. a connecting seat; 53. a third jaw cylinder; 54. a third upper clamping block; 541. an upper connecting block; 542. an upper guide block; 543. an adjustment groove; 55. a third lower clamping block; 551. a lower connecting block; 552. a third wire clamping groove; 56. a let position port; 6. a welding device; 61. positioning a pressing mechanism; 611. a pressing cylinder; 612. positioning a pressing plate; 613. briquetting; 62. welding a bracket; 63. a laser welding head; 64. a CCD welding positioner; 7. a material belt pushing device; 71. a push rod; 72. a material belt driving mechanism; 721. a fixed seat; 722. pushing up the cylinder; 723. a horizontal cylinder; 724. a material pushing seat; 8. a welding detection device; 81. a material belt pressing mechanism; 811. a material pressing cylinder; 812. a material pressing plate; 8121. a abdication gap; 82. a point-line inspection mechanism; 821. erecting; 822. checking the cylinder; 823. a needle seat; 824. a thimble; 83. a detection mechanism; 831. detecting the bracket; 832. a CCD detector.

Detailed Description

The present application is described in further detail below with reference to figures 1-13.

The embodiment of the application discloses an automatic welding machine for relay contact system components. Referring to fig. 1 and 2, the automatic welding machine includes a machine table 1, a thread feeding device 2, a wire stripping device 3, a thread feeding device 4, a thread releasing device 5 and a welding device 6, wherein the thread feeding device 2 includes a thread stand 21, a thread feeding and pulling mechanism 22 and a thread arranging device 23, and the thread stand 21 is used for placing a plurality of thread guiding barrels and simultaneously intensively guiding the threads in the plurality of thread guiding barrels to the thread arranging device 23 for arranging the straightness. The wire inlet pulling mechanism 22 is installed between the wire frame 21 and the wire arranging device 23 and used for pushing the wires of the wire frame 21 to the wire arranging device 23. The wire stripping device 3 is used for stripping and cutting the end of the wire. Install material area rack 11 on board 1, material area rack 11 is used for placing connection piece material area and movable reed material area, and connection piece material area and movable reed material area are located the both sides of material area rack 11. The wire feeding device 4 is installed on the machine table 1 between the wire stripping device 3 and the material belt placing frame 11 and used for clamping and transferring the wires processed by the wire stripping device 3 to the upper side of the material belt placing frame 11. The pay-off device 5 is used for clamping and placing the wire above the material belt placing rack 11 at a welding station between the connecting sheet material belt and the movable reed material belt. The welding device 6 is used for welding two ends of a wire at a welding station on the connecting sheet material belt and the movable reed between the connecting sheet material belt and the movable reed material belt. The material belt placing frame 11 is provided with a material belt pushing device 7, and the material belt pushing device 7 is used for pushing the welded material belt forwards.

And (3) welding the lead with the connecting sheet and the movable spring piece: lead to 31 departments of wire stripping mechanism behind the arrangement of many wires through needle threader 2, carry out the wire stripping and cutting processing with the wire tip through wire stripping device 3, then the rethread send traditional thread binding putting 4 to shift the wire centre gripping to the top of material area rack 11, pay-off 5 will shift to the wire centre gripping of taking material rack 11 top and shift between connection piece material area and movable contact spring material area, weld the wire both ends between connection piece material area and movable contact spring material area through welding set 6, and cooperate material area pusher 7 to carry forward the propelling movement with the material area that welds, accomplish repeatedly in proper order through the above-mentioned action of PLC controller control, thereby realize the wire welding between connection piece and movable contact spring automatically.

Referring to fig. 3, specifically, the bobbin 21 includes a frame body 211 and a plurality of bobbin placing seats 212 arranged on the frame body 211, a plurality of vertical mounting plates 213 are fixedly arranged on the frame body 211 above the bobbin placing seats 212 at vertical intervals, a first bobbin placing seat 214 is fixedly arranged on two sides of each vertical mounting plate 213 corresponding to the bobbin placing seat 212 below, a plurality of second bobbin placing seats 215 corresponding to the first bobbin placing seats 214 are arranged on the frame body 211 at intervals, and the second bobbin placing seats 215 face the direction of the yarn arranging device 23. A wire arrangement frame 24 is arranged between the wire frame 21 and the wire arranging device 23, a plurality of vertical rods 241 are vertically arranged on the wire arrangement frame 24 at intervals, and a plurality of third wire hole seats 242 corresponding to the second wire hole seats 215 are fixedly arranged on the vertical rods 241.

Referring to fig. 4, the wire inlet and drawing mechanism 22 includes a wire drawing mounting seat 221, a wire passing hole plate 222, a wire drawing hole seat 223, a wire drawing guide block 224, a wire drawing cylinder 225 and a first wire clamping cylinder 226, wherein the wire drawing mounting seat 221 is mounted on the machine table 1 between the wire arranging device 23 and the wire arranging frame 24, and the wire passing hole plate 222 is vertically and fixedly mounted on the wire drawing mounting seat 221 close to the wire arranging frame 24. The wire guide block 224 is horizontally fixed to the wire mount 221, and the wire guide block 224 is fixed to the wire adjuster 23. The wire drawing hole seat 223 is connected with the wire drawing guide block 224 in a sliding mode through the sliding block 227, and the wire passing hole of the wire drawing hole seat 223 corresponds to the wire passing hole of the wire passing hole plate 222. The stay wire cylinder 225 is horizontally arranged on one side between the wire passing pore plate 222 and the wire passing pore seat, the cylinder body of the stay wire cylinder 225 is fixed on the stay wire mounting seat 221 close to the wire passing pore plate 222, the telescopic shaft of the stay wire cylinder 225 is fixed on the side wall of the stay wire pore seat 223, and the stay wire cylinder 225 and the stay wire guide block 224 are arranged in parallel. The first wire clamping cylinder 226 is installed on the wire drawing hole seat 223, and the first wire clamping cylinder 226 clamps the wire by matching the wire passing hole of the wire drawing hole seat 223 with the clamping plate. Further concentrate many wires through crossing line orifice plate 222, conveniently pass and act as go-between hole seat 223, first trapping mechanism cylinder 226 passes through the splint and fixes the wire centre gripping on acting as go-between hole seat 223, promotes the wire through cylinder 225 that acts as go-between and moves to whole line ware 23 direction, then first trapping mechanism cylinder 226 makes splint break away from the clamping state, and first trapping mechanism cylinder 226 drives and crosses line hole seat and move to initial position to reciprocal propelling movement wire inlet wire.

Referring to fig. 5, the thread arranging device 23 includes a thread arranging frame 231, a transverse thread arranging mechanism 232, and a longitudinal thread arranging mechanism 233, and the transverse thread arranging mechanism 232 and the longitudinal thread arranging mechanism 233 are sequentially disposed on the thread arranging frame 231 in a longitudinal direction. The transverse wire straightening mechanism 232 includes a plurality of transverse wire guiding wheels 2321, a plurality of transverse wire pressing wheels 2322, and a transverse adjustment assembly for adjusting a distance between the transverse wire pressing wheels 2322 and the transverse wire guiding wheels 2321. The plurality of transverse guide wheels are horizontally and alternately connected on the wire arrangement frame 231 in a rotating way, the transverse adjusting component comprises a first adjusting block 2323, a first mounting plate 2324, a first guide block 2325 and a first adjusting rod 2326, the first adjusting block 2323 is horizontally arranged along the length direction of the wire arrangement frame 231, the plurality of transverse wire pressing wheels 2322 are horizontally and alternately connected on the first adjusting block 2323 in a rotating way, and a plurality of horizontal wire pressing wheels 2322 are located a plurality of horizontal wire pressing wheels 2321 top, and horizontal wire pressing wheel 2321 and horizontal wire pressing wheel 2322 dislocation set, the vertical fixed setting of first guide block 2325 is at first mounting panel 2324 lateral wall, first regulating block 2323 is kept away from the vertical guide way 2327 of having seted up of lateral wall of horizontal wire pressing wheel 2322, first regulating block 2323 slides through first guide way 2327 and first guide block 2325 and is connected, the vertical threaded connection of first regulation pole 2326 is on first mounting panel 2324, and first regulating block 2323 rotates with first regulation pole 2326 and is connected.

The longitudinal wire straightening mechanism 233 includes a plurality of longitudinal wire guide wheels 2331, a plurality of longitudinal wire guide wheels 2332, and a longitudinal adjusting assembly for adjusting the distance between the longitudinal wire guide wheels 2331 and the longitudinal wire guide wheels 2332; the plurality of longitudinal wire guide wheels 2331 are vertically and rotatably connected to the wire arrangement frame 231 at intervals, the longitudinal adjustment assembly comprises a second adjustment block 2333, a second installation plate 2334, a second guide block 2335 and a second adjustment rod 2336, the second adjustment block 2333 is horizontally arranged along the length direction of the wire arrangement frame 231, the plurality of longitudinal wire guide wheels 2332 are vertically and rotatably connected to the upper surface of the second adjustment block 2333 at intervals, the plurality of longitudinal wire pressing wheels 2332 are positioned on one side of the plurality of longitudinal wire pressing wheels 2331, the longitudinal wire pressing wheels 2331 and the longitudinal wire pressing wheels 2332 are arranged in a staggered mode, the second guide block 2335 is horizontally and fixedly arranged on the upper surface of the second mounting plate 2334, the side wall of the second adjusting block 2333 far away from the longitudinal wire pressing wheels 2332 is horizontally provided with a second guide groove 2337, the second adjusting block 2333 is connected with the second guide block 2335 in a sliding mode through the second guide groove 2337, the second adjusting rod 2336 is horizontally and threadedly connected onto the second mounting plate 2334, and the second adjusting block 2333 is rotatably connected with the second adjusting rod 2336.

Two wire inlet hole seats 234 are fixedly arranged on the wire inlet side of the wire arranging frame 231 at intervals corresponding to the position between the transverse wire guiding wheel 2321 and the transverse wire pressing wheel 2322. The outlet side of the wire arranging frame 231 is fixedly provided with an outlet hole seat 235 corresponding to the position between the longitudinal wire guide wheel 2331 and the longitudinal wire pressing wheel 2332, in the embodiment, two wire arranging devices 23 are arranged, and the two wire arranging devices 23 are arranged at intervals. The wire barrel is placed on the wire barrel placing seat 212, wires are guided to the wire arranging frame 24 through the first wire hole seat 214 and the second wire hole seat 215, a plurality of wires are arranged and guided to the wire arranging device 23 in a centralized mode through the wire arranging frame 24, and after the plurality of wires are arranged in a carding mode through the wire frame 21 and the wire arranging frame 24, the plurality of wires are arranged in a centralized mode and then are arranged in a transverse wire arranging mechanism 232 and a longitudinal wire arranging mechanism 233 of the wire arranging device 23 in a transverse and longitudinal mode, and therefore the straightness of the wires is improved.

Referring to fig. 6 and 7, the wire stripping device 3 includes a wire stripping mechanism 31 and a wire pulling mechanism 32. Specifically, the wire stripping mechanism 31 includes a wire stripping knife 311, a cutting knife 312 and a wire stripping driving component 314, the wire stripping knife 311 includes an upper wire stripping knife 3111 and a lower wire stripping knife 3112, the upper wire stripping knife 3111 and the lower wire stripping knife 3112 are disposed in an up-down opposite manner, and the upper wire stripping knife 3111 and the lower wire stripping knife 3112 are provided with corresponding wire stripping knife grooves 313. The upper wire stripping knife 3111 and the lower wire stripping knife 3112 are respectively provided in two numbers, and the two upper wire stripping knives 3111 and the lower wire stripping knife 3112 are vertically arranged at intervals. The cutting knife 312 includes an upper knife 3121 and a lower knife 3122, the upper knife 3121 and the lower knife 3122 are vertically disposed opposite to each other, the upper knife 3121 is located between the two upper wire stripping knives 3111, and the lower knife 3122 is located between the two lower wire stripping knives 3112. The wire stripping driving assembly 314 comprises a wire stripping mounting rack 3141, a wire stripping driving motor 3142, wire stripping lead screws 3143 and a wire stripping moving seat 3144, wherein the wire stripping mounting rack 3141 is vertically installed on the machine table 1, the wire stripping driving motor 3142 is installed at the upper end of the wire stripping mounting rack 3141, the wire stripping lead screws 3143 are vertically and rotatably connected onto the wire stripping mounting rack 3141, the wire stripping lead screws 3143 are arranged from the middle position to reverse threads at two ends, the output shaft of the wire stripping driving motor 3142 is coaxially and fixedly connected with one end of the wire stripping lead screws 3143, the wire stripping moving seat 3144 is provided with two wire stripping guide rods 3145, two wire stripping mounting racks 3141 are vertically arranged at intervals, and the wire stripping lead screws 3143 are positioned between the two wire stripping guide rods 3145. The two wire stripping moving seats 3144 are vertically connected between the two limiting plates 3145 in a sliding manner and are simultaneously in threaded connection with the wire stripping screw 3143. The side walls of the two wire stripping moving seats 3144 are horizontally and fixedly provided with extension mounting arms 3146 extending out of the wire stripping mounting rack 3141. The upper and

upper wire strippers

3111 and 312 and the lower and

lower wire strippers

3112 and 312 are mounted on two extension mounting arms 3146, respectively. A waste collecting box 315 having an upper opening is placed on the machine table 1 below the wire stripping blade 311.

The wire pulling mechanism 32 comprises a first wire pulling mechanism 321 and an upper wire pulling mechanism 322, and the wire stripping mechanism 31 is located between the first wire pulling mechanism 321 and the upper wire pulling mechanism 322. The first wire pulling mechanism 321 comprises a wire pulling mounting frame 3211, a wire pulling moving seat 3212, a wire pulling screw rod 3213, a wire pulling motor 3214 and a clamping assembly for clamping a wire, the wire pulling mounting frame 3211 is horizontally mounted on the machine platform 1, and the wire pulling moving seat 3212 is connected to the wire pulling mounting frame 3211 through the guide grooves on both sides in a sliding manner. The stay wire lead screw 3213 is horizontally rotatably connected to the stay wire mounting frame 3211 and is in threaded connection with the stay wire moving seat 3212, the clamping assembly is mounted on the stay wire moving seat 3212, and the stay wire motor 3214 drives the stay wire lead screw 3213 to rotate, so that the clamping assembly is close to or far away from the wire stripping mechanism 31. The clamping assembly comprises a first clamping jaw air cylinder 3215, a first upper clamping block 3216 and a first lower clamping block 3217, wherein a cylinder body of the first clamping jaw air cylinder 3215 is fixedly mounted on the wire-pulling moving seat 3212, and the first upper clamping block 3216 and the first lower clamping block 3217 are respectively mounted on two clamping jaws of the first clamping jaw air cylinder 3215. The first lower clamp block 3217 is provided with a plurality of first clamping grooves 3218 at intervals.

The upper wire pulling mechanism 322 comprises an upper wire mounting frame 3221, an upper wire motor 3222, an upper wire moving seat 3223, an upper wire lead screw 3224, an upper wire hole seat 3225 and a second wire clamping cylinder 3226, the upper wire mounting frame 3221 is horizontally mounted on the machine table 1, and the upper wire moving seat 3223 is connected to the upper wire mounting frame 3221 in a sliding manner through guide grooves on two sides. The wire feeding screw rod 3224 is rotatably connected to the wire feeding mounting frame 3221 and is in threaded connection with the wire feeding moving seat 3223, the wire feeding hole seat 3225 is fixedly mounted on the wire feeding moving seat 3223, the second wire clamping cylinder 3226 is mounted on the wire feeding hole seat 3225, the second wire clamping cylinder 3226 is in intermittent fit with the wire feeding hole of the wire feeding hole seat 3225 through a clamping plate, and the wire feeding motor 3222 drives the wire feeding screw rod 3224 to rotate so that the wire feeding hole seat 3225 is close to or far away from the wire stripping mechanism 31.

The working process of wire stripping of the conducting wire is as follows: an upper wire hole seat 3225 of the upper wire pulling mechanism 322 is matched with the second wire clamping cylinder 3226 to clamp a wire, the upper wire hole seat 3225 is driven by an upper wire motor 3222 to push the wire to the wire stripping mechanism 31, a clamping component in the first wire pulling mechanism 321 is driven by a wire pulling motor 3214 to be close to the wire stripping mechanism 31, the end of the wire is clamped by the clamping component, a wire stripping driving component 314 in the wire stripping mechanism 31 drives an upper cutter 312 and a lower cutter 312 to be close to cut the wire, an upper wire stripping knife 3111 and a lower wire stripping knife 3112 which are positioned on two sides of the cutter 312 are clamped on two sides of the wire at the same time, at the moment, the upper wire hole seat 3225 is driven by the upper wire motor 3222 to move the wire in a direction away from the wire stripping mechanism 31, the clamping component is driven by the motor wire 3214 to move in a direction away from the wire stripping mechanism 31, and the upper wire hole seat 3225 and the clamping component drive the wire to move, the upper wire stripping knife 3111 and the lower wire knife 3112 to strip the end of the wire, thereby automatically finishing the cleaning of the outer skin of the end part of the wire.

Referring to fig. 8, the wire feeding device 4 includes a wire feeding clamping mechanism 41 and a wire feeding driving mechanism 42, the wire feeding clamping mechanism 41 is connected to the wire feeding driving mechanism 42, the wire feeding clamping mechanism 41 is used for clamping the wire processed by the wire stripping device 3, and the wire clamped by the wire feeding clamping mechanism 41 is driven by the wire feeding driving mechanism 42 to move above the tape placing rack 11. Specifically, the wire feeding clamping mechanism 41 includes a second clamping jaw cylinder 411, a second upper clamping block 412 and a second lower clamping block 413, the second upper clamping block 412 and the second lower clamping block 413 are oppositely arranged and respectively mounted on two clamping jaws of the second clamping jaw cylinder 411, and a plurality of second wire clamping grooves 414 are arranged on the second lower clamping block 413 at intervals.

The wire feeding driving mechanism 42 comprises a wire feeding mounting frame 421, a longitudinal driving assembly 422, a vertical driving assembly 423 and a transverse driving assembly 424, wherein the wire feeding mounting frame 421 is mounted on the machine table 1 at one side between the wire stripping device 3 and the welding device 6. The longitudinal driving assembly 422 comprises a longitudinal driving motor 4221, a longitudinal guide frame 4222, a longitudinal screw 4223 and a longitudinal moving seat 4224, the longitudinal guide frame 4222 is horizontally installed on the wire feeding installation frame 421, the longitudinal screw 4223 is horizontally and rotatably connected to the longitudinal guide frame 4222, the longitudinal moving seat 4224 is connected to the longitudinal guide frame 4222 in a sliding mode and is in threaded connection with the longitudinal screw 4223, and the longitudinal driving motor 4221 drives the screw to rotate. The vertical driving assembly 423 comprises a vertical cylinder 4231 and a vertical mounting seat 4232, the vertical cylinder 4231 is vertically mounted on the longitudinal moving seat 4224, and the vertical mounting seat 4232 is fixedly mounted on a telescopic shaft of the vertical cylinder 4231; the transverse driving assembly 424 comprises a transverse cylinder 4241 and a transverse mounting seat 4242, the transverse cylinder 4241 is horizontally mounted on the side wall of the vertical mounting seat 4232, the transverse mounting seat 4242 is mounted on a telescopic shaft of the transverse cylinder 4241, and a cylinder body of the second clamping jaw cylinder 411 is fixed on the side wall of the transverse mounting seat 4242. The transverse driving assembly 424 in the wire feeding driving mechanism 42 drives the second clamping cylinder to approach the wire stripping device 3 to clamp the wire to be stripped, and the longitudinal driving assembly 422, the vertical driving assembly 423 and the transverse driving assembly 424 cooperate to transfer the wire to the upper side of the material strip placing rack 11.

Referring to fig. 9, the material belt placing frame 11 includes a bottom plate 111, the bottom plate 111 is horizontally and fixedly installed on the machine platform 1, a plurality of vertical plates 112 are installed at vertical intervals on two sides of the bottom plate 111, material guide plates 113 are installed on opposite vertical plates 112 in an equal horizontal manner, and material guide chutes 114 for moving and guiding the material supply belt are formed in opposite side walls of the two material guide plates 113 along the length direction. The guide grooves 114 on the two guide plates 113 are used for guiding and moving the connecting sheet strip and the movable spring strip, so that the moving stability of the connecting sheet strip and the movable spring strip is improved.

Referring to fig. 9 and 10, the line payoff device 5 is mounted between two risers 112. Specifically, pay-off 5 is including promoting cylinder 51, connecting seat 52, third clamping jaw cylinder 53, third on clamp splice 54 and third clamp splice 55 down, promotes cylinder 51 and vertically installs on the lateral wall of one of them riser 112, third clamping jaw cylinder 53 level setting just is located and promotes cylinder 51 top, and connecting seat 52 level fixed mounting is on the telescopic shaft of promoting cylinder 51, and third clamping jaw cylinder 53 level fixed mounting is on connecting seat 52.

Referring to fig. 9 and 11, the third upper clamp block 54 and the third lower clamp block 55 are oppositely disposed and respectively fixedly disposed on the two jaws of the third jaw cylinder 53. The third upper clamping block 54 and the third lower clamping block 55 are both provided with two clamping jaws, the two clamping jaws of the third clamping jaw air cylinder 53 are respectively and fixedly provided with an upper connecting block 541 and a lower connecting block 551, the side walls on the two sides of the upper connecting block 541 are both horizontally provided with an upper guide block 542, the side wall of the third upper clamping block 54 is provided with an adjusting groove 543 connected with the upper guide block 542 in a sliding manner, and the third upper clamping block 54 is fixedly connected with the upper guide block 542 through a screw. Two third lower clamping blocks 55 are fixedly arranged on the lower connecting block 551, and a plurality of third clamping line grooves 552 are arranged on the third lower clamping blocks 55 at intervals. The two third upper clamping blocks 54 and the two third lower clamping blocks 55 form an abdication port 56, and the abdication port 56 is used for the abdication insertion of the second upper clamping block 412 and the second lower clamping block 413. The pushing cylinder 51 drives the third clamping jaw cylinder 53 to move upwards to a material clamping station, at the moment, the second upper clamping block 412 and the second lower clamping block 413 are located in a yielding opening 56 between the third upper clamping block 54 and the third lower clamping block 55, the conducting wire in the clamping assembly is clamped and transferred between the third upper clamping block 54 and the third lower clamping block 55 through the matching of the second clamping jaw cylinder 411 and the third clamping jaw cylinder 53, and then the pushing cylinder 51 drives the third clamping jaw cylinder 53 to move the conducting wire downwards to a position to be welded between the connecting sheet material belt and the moving spring sheet material.

Further, two positioning and pressing mechanisms 61 for pressing the material belts on the two sides of the welding position are arranged on the material belt placing frame 11, and when the pay-off device 5 is located at the welding station, the third upper clamping block 54 and the third lower clamping block 55 are located between the two positioning and pressing mechanisms 61; specifically, the positioning and pressing mechanism 61 includes a pressing cylinder 611 and a positioning pressing plate 612, the pressing cylinder 611 is vertically installed on the side wall of the vertical plate 112, the positioning pressing plate 612 is horizontally arranged, one side of the lower surface of the positioning pressing plate 612 is fixed to a telescopic shaft of the pressing cylinder 611, and one end of the positioning pressing plate 612 extends downwards to form a pressing block 613 which is pressed on the material belt. A gap for welding by the welding device 6 exists between the pressing block 613 and the third upper clamping block 54 and the third lower clamping block 55. The pressing cylinder 611 is used for driving the positioning pressing plate 612 to press the material belt at the welding station, so that the stability of welding the material belt is improved, and the welding precision of the material belt and the lead is improved.

Referring to fig. 9 and 11, the tape pushing device 7 includes a push rod 71 and a tape driving mechanism 72 for driving the push rod 71 to drive the tape to intermittently move on the tape placing rack 11, the tape driving mechanism 72 includes a fixing seat 721, an upward pushing cylinder 722, a horizontal cylinder 723 and a pushing seat 724, the fixing seat 721 is fixedly installed on the tape placing rack 11 and located below the tape, a cylinder body of the upward pushing cylinder 722 is installed on the fixing seat 721, a cylinder body of the horizontal cylinder 723 is fixedly connected with an extension shaft of the upward pushing cylinder 722, and the pushing seat 724 is fixedly connected with an extension shaft of the horizontal cylinder 723. The push rod 71 is vertically disposed, and the upper end of the push rod 71 is disposed as a tip. The material guiding plate 113 is provided with a strip-shaped yielding hole 115 along the moving direction of the material strip, and the push rod 71 is arranged corresponding to the strip-shaped yielding hole 115. The pushing-up cylinder 722 pushes the horizontal cylinder 723 to move upwards, so that the push rod 71 on the push seat 724 moves upwards to penetrate through the material belt gap, and the horizontal cylinder 723 drives the push rod 71 to move horizontally, so that the material belt is pushed to move along the material guide chute 114. In this embodiment, the material belt pushing devices 7 are two, the two material belt pushing devices 7 are correspondingly arranged on two sides of the material belt placing frame 11, the material belt pushing devices 7 correspondingly arranged on two sides of the material belt placing frame 11 are a set of material belt pushing devices, and the material belt pushing devices 7 in this embodiment are arranged two sets at intervals along the length direction of the material belt placing frame 11.

Referring to fig. 9 and 10, a welding detection device 8 for detecting the welding quality of the lead is arranged on the tape placing seat. Specifically, the welding detection device 8 includes a tape pressing mechanism 81, a dot line inspection mechanism 82, and a detection mechanism 83. The material belt pressing mechanism 81 comprises a material pressing cylinder 811 and a material pressing plate 812, a cylinder body of the material pressing cylinder 811 is vertically fixed on the side wall of the vertical plate 112, the material pressing plate 812 is horizontally arranged, one side of the material pressing plate 812 extends to the upper side of the material pressing cylinder 811, a telescopic shaft of the material pressing cylinder 811 is fixedly arranged with the material pressing plate 812, and two sides of the lower surface of the material pressing plate 812 correspond to the material belt and are arranged in a downward protruding mode.

Referring to fig. 9 and 12, the dot line inspection mechanism 82 includes a vertical frame 821, an inspection cylinder 822, a needle seat 823 and a thimble 824, the vertical frame 821 is installed on the machine table 1 close to the material strip placing frame 11, the inspection cylinder 822 is installed on one side of the vertical frame 821, the thimble 824 is provided with a plurality of, a plurality of thimbles 824 are installed on the needle seat 823 at a vertical interval and extend downwards to the needle seat 823, the pressure plate 812 is provided with an abdicating notch 8121 corresponding to a lead position, the thimble 824 corresponds to the lead through the abdicating notch 8121, the needle seat 823 is connected with the telescopic shaft of the inspection cylinder 822 to push the needle seat 823 to drive the thimble 824 to press the lead downwards.

Referring to fig. 10, the detection mechanism 83 includes a detection bracket 831 and a CCD detector 832, the detection bracket 831 is installed on the machine platform 1, the CCD detector 832 is installed on the detection bracket 831, and the CCD detector 832 is located on the discharging side above the tape holder 11 and close to the point-line inspection mechanism 82. Connect piece material area and movable reed material area that material cylinder 811 drive pressure-feed plate 812 compresses tightly both sides move down through inspection cylinder 822 drive needle file 823, make thimble 824 on the needle file 823 support and press on the wire, check whether stable welding of wire is on the material area, detect whether the wire welds on connection piece and movable reed with material area propelling movement to CCD detector 832 below through material area pusher 7.

Referring to fig. 13, the welding device 6 includes a welding bracket 62, a laser welding head 63, and a CCD welding positioner 64, the welding bracket 62 is mounted on the machine platform 1, the laser welding head 63 and the CCD welding positioner 64 are mounted on the welding bracket 62 and face the welding station of the tape holder 11, and the CCD welding positioner 64 sends the information of the contact position between the end of the wire and the tape at the welding station to the laser welding head 63 for accurate welding. In other embodiments, laser welding may be replaced by other welding methods, such as arc welding, gas welding, or resistance welding.

The implementation principle of the automatic welding machine for the relay contact system component in the embodiment of the application is as follows: the wire feeding device 2 guides the wires of the wire barrel to the wire arranging device 23 for straightness arrangement, the arranged wires are matched with the wire pulling mechanism 32 through a wire stripping knife 311 and a cutting knife 312 in the wire stripping mechanism 31 to strip the end parts of the wires and cut the wires, then the wires are clamped through a wire feeding clamping mechanism 41 in the wire feeding mechanism, the wires are transferred to the upper part of the material belt placing frame 11 through a wire feeding driving mechanism 42 driving the wire feeding clamping mechanism 41, the wires transferred to the upper part of the material belt placing frame 11 are clamped and transferred between a connecting sheet material belt and a movable spring sheet material belt through a wire feeding device 5, the two ends of the wires are welded between the connecting sheet material belt and the movable spring sheet material belt through a laser welding head 63 in a welding device 6, the welded material belt is pushed forwards through a material belt pushing device 7, and whether the wires are welded on the material belt is detected through a welding detection device 8, and the actions are sequentially repeated, so that the welding and the detection of the connecting sheet, the movable spring and the lead are automatically completed, and the welding efficiency of the lead, the movable spring and the connecting sheet is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An automatic welding machine of relay contact system part which characterized in that: comprises a machine table (1),

the wire feeding device (2), the wire feeding device (2) comprises a wire frame (21) and a wire arranging device (23), the wire frame (21) is used for placing a plurality of wire cylinders and guiding wires in the plurality of wire cylinders to the wire arranging device (23) for straightness arrangement;

the wire stripping device (3) comprises a wire stripping mechanism (31) and a wire pulling mechanism (32), wherein the wire stripping mechanism (31) clamps a plurality of wires arranged by the wire arranging device (23) through a wire stripping knife (311) and is matched with the wire pulling mechanism (32) to pull stripping and cutting;

the material belt placing frame (11), the material belt placing frame (11) is installed on the machine table (1), the material belt placing frame (11) is used for placing a connecting sheet material belt and a movable reed material belt, and the connecting sheet material belt and the movable reed material belt are located on two sides of the material belt placing frame (11);

the wire feeding device (4) is installed on the machine table (1) between the wire stripping device (3) and the material belt placing frame (11), the wire feeding device (4) comprises a wire feeding clamping mechanism (41) and a wire feeding driving mechanism (42), the wire feeding clamping mechanism (41) is connected to the wire feeding driving mechanism (42), the wire feeding clamping mechanism (41) is used for clamping a wire processed by the wire stripping device (3), and the wire clamped by the wire feeding clamping mechanism (41) is driven to move to the position above the material belt placing frame (11) through the wire feeding driving mechanism (42);

the pay-off device (5) is used for clamping and transferring the wire fed above the material belt placing frame (11) to a position between the connecting sheet material belt and the movable reed material belt and enabling two ends of the wire to be in contact with the connecting sheet and the movable reed;

the welding device (6) is installed on the machine table (1), and the welding device (6) is used for welding a lead connecting part between a connecting sheet material strip and a movable spring sheet material strip at a welding station;

the material belt pushing device (7), the material belt pushing device (7) is matched with the welding device (6) to intermittently push the material belt to move.

2. The automatic welding machine of relay contact system components of claim 1, characterized in that: the bobbin holder (21) comprises a holder body (211) and a plurality of bobbin placing seats (212) arranged on the holder body (211), wherein a plurality of vertical mounting plates (213) are fixedly arranged on the holder body (211) above the bobbin placing seats (212) at vertical intervals, a first bobbin placing seat (214) is fixedly arranged on two sides of each vertical mounting plate (213) corresponding to the bobbin placing seat (212) below, a plurality of second bobbin placing seats (215) corresponding to the first bobbin placing seats (214) are arranged above the holder body (211) at intervals, and the second bobbin placing seats (215) face the direction of the bobbin arranging device (23); a wire arranging frame (24) is arranged between the wire frame (21) and the wire arranging device (23), and a plurality of third wire hole seats (242) are arranged on the wire arranging frame (24) corresponding to the second wire hole seats (215);

the wire arranging device (23) comprises a wire arranging frame (231), a transverse wire arranging mechanism (232) and a longitudinal wire arranging mechanism (233), wherein the transverse wire arranging mechanism (232) and the longitudinal wire arranging mechanism (233) are sequentially arranged on the wire arranging frame (231) along the length direction, and the transverse wire arranging mechanism (232) comprises a plurality of transverse wire guide wheels (2321), a plurality of transverse wire pressing wheels (2322) and a transverse adjusting component for adjusting the distance between the transverse wire pressing wheels (2322) and the transverse wire guide wheels (2321);

the plurality of transverse wire guide wheels (2321) are horizontally and alternately connected to the wire arrangement frame (231) in a rotating mode, each transverse adjusting assembly comprises a first adjusting block (2323), a first mounting plate (2324), a first guide block (2325) and a first adjusting rod (2326), each first adjusting block (2323) is horizontally arranged along the length direction of the wire arrangement frame (231), the plurality of transverse wire pressing wheels (2322) are horizontally and alternately connected to the first adjusting block (2323) in a rotating mode, the plurality of transverse wire pressing wheels (2322) are located above the plurality of transverse wire guide wheels (2321), the transverse wire guide wheels (2321) and the transverse wire pressing wheels (2322) are arranged in a staggered mode, the first guide blocks (2325) are vertically and fixedly arranged on the side wall of the first mounting plate (2324), a first guide groove (2327) is vertically formed in the side wall, far away from the transverse wire pressing wheels (2322), of each first adjusting block (2323) is connected with the first guide block (2325) in a sliding mode through the first guide groove (2327), the first adjusting rod (2326) is vertically in threaded connection with the first mounting plate (2324), and the first adjusting block (2323) is rotationally connected with the first adjusting rod (2326);

the longitudinal wire arrangement mechanism (233) comprises a plurality of longitudinal wire guiding wheels (2331), a plurality of longitudinal wire pressing wheels (2332) and a longitudinal adjusting assembly for adjusting the distance between the longitudinal wire guiding wheels (2331) and the longitudinal wire pressing wheels (2332);

the plurality of longitudinal wire guide wheels (2331) are vertically and rotatably connected to the wire arrangement frame (231) at intervals, each longitudinal adjusting assembly comprises a second adjusting block (2333), a second mounting plate (2334), a second guide block (2335) and a second adjusting rod (2336), each second adjusting block (2333) is horizontally arranged along the length direction of the wire arrangement frame (231), the plurality of longitudinal wire pressing wheels (2332) are vertically and rotatably connected to the upper surface of the corresponding second adjusting block (2333) at intervals, the plurality of longitudinal wire pressing wheels (2332) are positioned on one side of the plurality of longitudinal wire guide wheels (2331), the longitudinal wire guide wheels (2331) and the longitudinal wire pressing wheels (2332) are arranged in a staggered mode, the second guide blocks (2335) are horizontally and fixedly arranged on the upper surface of the second mounting plate (2334), second guide grooves (2337) are horizontally formed in the side walls, far away from the longitudinal wire pressing wheels (2332), of the second adjusting blocks (2333) are connected with the second guide blocks (2335) in a sliding mode through the second guide grooves (2337), the second adjusting rod (2336) is horizontally screwed on the second mounting plate (2334), and the second adjusting block (2333) is rotatably connected with the second adjusting rod (2336).

3. An automatic welding machine for relay contact system components according to claim 1 or 2, characterized in that: the wire feeding device (2) further comprises a wire feeding and pulling mechanism (22), the wire feeding and pulling mechanism (22) comprises a wire pulling mounting seat (221), a wire passing pore plate (222), a wire pulling pore seat (223), a wire pulling guide block (224), a wire pulling cylinder (225) and a first wire clamping cylinder (226), the wire pulling mounting seat (221) is mounted on the machine table (1) between the wire arranging device (23) and the wire arranging frame (24), the wire passing pore plate (222) is vertically mounted on the wire pulling mounting seat (221) close to the wire arranging frame (24), a cylinder body of the wire pulling cylinder (225) is fixed on the wire pulling mounting seat (221), a telescopic shaft of the wire pulling cylinder (225) is fixed on the wire pulling pore seat (223), the first wire clamping cylinder (226) is mounted on the wire pulling pore seat (223), and the first wire clamping cylinder (226) is intermittently matched with the wire passing pores of the wire pulling pore seat (223) through a clamping plate, the wire drawing guide block (224) is fixedly arranged towards the wire arranging device (23), the wire drawing hole seat (223) is connected with the wire drawing guide block (224) in a sliding mode through a sliding block (227), the wire drawing cylinder (225) is located between the wire drawing hole seat (223) and the wire passing pore plate (222), and the wire drawing cylinder (225) and the wire drawing guide block (224) are arranged in parallel.

4. The automatic welding machine of relay contact system components of claim 1, characterized in that: the wire stripping mechanism (31) further comprises a cutting knife (312) and a wire stripping driving assembly (314), the wire stripping knife (311) comprises an upper wire stripping knife (3111) and a lower wire stripping knife (3112), the upper wire stripping knife (3111) and the lower wire stripping knife (3112) are arranged up and down oppositely, corresponding wire stripping knife (311) grooves are formed in the upper wire stripping knife (3111) and the lower wire stripping knife (3112), the upper wire stripping knife (3111) and the lower wire stripping knife (3112) are respectively provided with two, and the upper wire stripping knife (3111) and the lower wire stripping knife (3112) are vertically arranged at intervals;

the cutting knife (312) comprises an upper cutting knife (3121) and a lower cutting knife (3122), the upper cutting knife (3121) and the lower cutting knife (3122) are vertically arranged in an opposite manner, the upper cutting knife (3121) is positioned between the two upper wire stripping knives (3111), and the lower cutting knife (3122) is positioned between the two lower wire stripping knives (3112);

the wire stripping driving component (314) comprises a wire stripping mounting rack (3141), a wire stripping driving motor (3142), a wire stripping screw rod (3143) and a wire stripping moving seat (3144), the wire stripping mounting rack (3141) is vertically arranged on the machine table (1), the wire stripping driving motor (3142) is arranged at the upper end of the wire stripping mounting rack (3141), the wire stripping screw rod (3143) is vertically and rotatably connected to the wire stripping mounting rack (3141), the wire stripping screw rod (3143) is arranged from the middle position to the reverse threads at the two ends, the output shaft of the wire stripping driving motor (3142) is coaxially and fixedly connected with one end of the wire stripping screw rod (3143), two wire stripping moving seats (3144) are arranged, the two wire stripping moving seats (3144) are vertically connected to a wire stripping mounting frame (3141) in a sliding manner and are simultaneously in threaded connection with a wire stripping screw rod (3143), the upper wire stripping knife (3111) and the upper cutting knife (312) as well as the lower wire stripping knife (3112) and the lower cutting knife (312) are respectively arranged on the two wire stripping movable seats (3144);

the wire drawing mechanism (32) comprises a first wire drawing mechanism (321) and an upper wire drawing mechanism (322), and the first wire drawing mechanism (321) and the upper wire drawing mechanism (322) are positioned at two sides of the wire stripping knife (311);

the first wire pulling mechanism (321) comprises a wire pulling mounting frame (3211), a wire pulling moving seat (3212), a wire pulling screw rod (3213), a wire pulling motor (3214) and a clamping assembly for clamping a wire, wherein the wire pulling mounting frame (3211) is horizontally mounted on the machine platform (1), the wire pulling moving seat (3212) is connected to the wire pulling mounting frame (3211) in a sliding manner, the wire pulling screw rod (3213) is horizontally and rotatably connected to the wire pulling mounting frame (3211) and is in threaded connection with the wire pulling moving seat (3212), the clamping assembly is mounted on the wire pulling moving seat (3212), and the wire pulling motor (3214) drives the wire pulling screw rod (3213) to rotate so that the clamping assembly is close to or far away from the wire stripping mechanism (31);

the clamping assembly comprises a first clamping jaw air cylinder (3215), a first upper clamping block (3216) and a first lower clamping block (3217), a cylinder body of the first clamping jaw air cylinder (3215) is fixedly mounted on the wire pulling moving seat (3212), and the first upper clamping block (3216) and the first lower clamping block (3217) are respectively mounted on two clamping jaws of the first clamping jaw air cylinder (3215);

the wire feeding and pulling mechanism (322) comprises a wire feeding mounting frame (3221), a wire feeding motor (3222), a wire feeding moving seat (3223), a wire feeding screw rod (3224), a wire feeding hole seat (3225) and a second wire clamping cylinder (3226), wherein the wire feeding mounting frame (3221) is horizontally mounted on the machine platform (1), the wire feeding moving seat (3223) is horizontally connected to the wire feeding mounting frame (3221) in a sliding manner, the wire feeding screw rod (3224) is rotatably connected to the wire feeding mounting frame (3221) and is in threaded connection with the wire feeding moving seat (3223), the wire feeding hole seat (3225) is fixedly mounted on the wire feeding moving seat (3223), the second wire clamping cylinder (3226) is mounted on the wire feeding hole seat (3225), the second wire clamping cylinder (6) is in intermittent fit with the wire feeding hole of the wire feeding hole seat (3225) through a clamping plate to clamp a wire, and the wire feeding motor (3222) drives the wire feeding motor (3224) to rotate, so that the upper thread hole seat (3225) is close to or far away from the thread stripping mechanism (31).

5. An automatic welding machine for relay contact system components according to claim 1, characterized in that: the wire feeding clamping mechanism (41) comprises a second clamping jaw air cylinder (411), a second upper clamping block (412) and a second lower clamping block (413), and the second upper clamping block (412) and the second lower clamping block (413) are oppositely arranged and are respectively installed on two clamping jaws of the second clamping jaw air cylinder (411);

the wire feeding driving mechanism (42) comprises a wire feeding mounting frame (421), a longitudinal driving assembly (422), a vertical driving assembly (423) and a transverse driving assembly (424), and the wire feeding mounting frame (421) is mounted on the machine table (1) on one side between the wire stripping device (3) and the welding device (6);

the longitudinal driving assembly (422) comprises a longitudinal driving motor (4221), a longitudinal guide frame (4222), a longitudinal screw rod (4223) and a longitudinal moving seat (4224), the longitudinal guide frame (4222) is horizontally installed on the wire feeding installation frame (421), the longitudinal screw rod (4223) is horizontally and rotatably connected to the longitudinal guide frame (4222), the longitudinal moving seat (4224) is connected to the longitudinal guide frame (4222) in a sliding mode and is in threaded connection with the longitudinal screw rod (4223), and the longitudinal driving motor (4221) drives the screw rod to rotate;

the vertical driving assembly (423) comprises a vertical cylinder (4231) and a vertical mounting seat (4232), the vertical cylinder (4231) is vertically installed on a longitudinal moving seat (4224), and the vertical mounting seat (4232) is fixedly installed on a telescopic shaft of the vertical cylinder (4231);

the transverse driving assembly (424) comprises a transverse cylinder (4241) and a transverse mounting seat (4242), the transverse cylinder (4241) is horizontally mounted on the side wall of the vertical mounting seat (4232), the transverse mounting seat (4242) is mounted on a telescopic shaft of the transverse cylinder (4241), and a cylinder body of the second clamping jaw cylinder (411) is fixed on the side wall of the transverse mounting seat (4242).

6. An automatic welding machine for relay contact system components according to claim 1, characterized in that: the material belt placing frame (11) comprises a bottom plate (111), a plurality of vertical plates (112) are installed on the two sides of the bottom plate (111) at vertical intervals, material guide plates (113) are horizontally installed on the two vertical plates (112), and material guide grooves (114) for moving material belts are formed in opposite side walls of the material guide plates (113) along the length direction.

7. The automatic welding machine of relay contact system components of claim 5, characterized in that: the pay-off device (5) comprises a pushing cylinder (51), a connecting seat (52), a third clamping jaw cylinder (53), a third upper clamping block (54) and a third lower clamping block (55), the pushing cylinder (51) is vertically arranged on the material belt placing frame (11), the third clamping jaw cylinder (53) is horizontally arranged and is positioned above the pushing cylinder (51), the connecting seat (52) is fixedly arranged on a telescopic shaft of the pushing cylinder (51), the third clamping jaw air cylinder (53) is fixedly arranged on the connecting seat (52), the third upper clamping block (54) and the third lower clamping block (55) are oppositely arranged and are respectively and fixedly arranged on two clamping jaws of the third clamping jaw air cylinder (53), the third upper clamping block (54) and the third lower clamping block (55) are provided with a position-giving opening (56), the position-giving opening (56) is used for the insertion of the second upper clamping block (412) and the second lower clamping block (413).

8. The automatic welding machine of relay contact system components of claim 7, characterized in that: the material belt placing frame (11) is provided with two positioning and pressing mechanisms (61) for pressing material belts on two sides of a welding position, and when the pay-off device (5) is positioned at a welding station, the third upper clamping block (54) and the third lower clamping block (55) are positioned between the two third positioning and pressing mechanisms (61);

the positioning and pressing mechanism (61) comprises a pressing cylinder (611) and a positioning pressing plate (612), the pressing cylinder (611) is vertically installed on the side wall of the vertical plate (112), the positioning pressing plate (612) is horizontally arranged, one side of the lower surface of the positioning pressing plate (612) is fixed with a telescopic shaft of the pressing cylinder (611), and a pressing block (613) which is pressed on the material belt is downwards extended from one end of the positioning pressing plate (612).

9. The automatic welding machine of relay contact system components of claim 6, characterized in that: the material belt pushing device (7) comprises a push rod (71) and a material belt driving mechanism (72) for driving the push rod (71) to drive the material belt to move intermittently on the material belt placing rack (11), the material belt driving mechanism (72) comprises a fixed seat (721), an upward pushing cylinder (722), a horizontal cylinder (723) and a pushing seat (724), the fixed seat (721) is fixedly arranged on the material belt placing frame (11) and is positioned below the material belt, the cylinder body of the push-up cylinder (722) is arranged on the fixed seat (721), the cylinder body of the horizontal cylinder (723) is fixedly connected with the telescopic shaft of the push-up cylinder (722), the material pushing seat (724) is fixedly connected with a telescopic shaft of a horizontal cylinder (723), the push rod (71) is vertically arranged, the guide plate (113) is provided with a strip yielding hole (115) along the moving direction of the material strip, and the push rod (71) corresponds to the strip yielding hole (115).

10. The automatic welding machine of relay contact system components of claim 1, characterized in that: the material belt placing seat is provided with a welding detection device (8) for detecting the welding quality of the lead;

the welding detection device (8) comprises a material belt pressing mechanism (81), a point line inspection mechanism (82) and a detection mechanism (83), the material belt pressing mechanism (81) comprises a pressing cylinder (811) and a pressing plate (812), a cylinder body of the pressing cylinder (811) is vertically fixed on the side wall of a vertical plate (112), the pressing plate (812) is horizontally arranged, one side of the pressing plate (812) extends to the position above the pressing cylinder (811), a telescopic shaft of the pressing cylinder (811) is fixedly arranged with the pressing plate (812), and two sides of the lower surface of the pressing plate (812) are arranged in a downward protruding mode corresponding to the position of a material belt;

the point line inspection mechanism (82) comprises a vertical frame (821), an inspection cylinder (822), a needle seat (823) and ejector pins (824), the vertical frame (821) is installed on a machine table (1) close to the material strip placing frame (11), the inspection cylinder (822) is installed on one side of the vertical frame (821), the ejector pins (824) are arranged in a plurality of numbers, the ejector pins (824) are installed on the needle seat (823) at vertical intervals and extend out of the needle seat (823) downwards, a yielding notch (8121) is arranged at a position, corresponding to a lead, of the pressure plate (812), the ejector pins (824) correspond to the lead through the yielding notches (8121), the needle seat (823) is connected with an expansion shaft of the inspection cylinder (822) so as to push the needle seat (823) to drive the ejector pins (824) to press the lead downwards;

the detection mechanism (83) comprises a detection support (831) and a CCD detector (832), the detection support (831) is installed on the machine table (1), the CCD detector (832) is installed on the detection support (831), and the CCD detector (832) is located on one side of the discharging side above the material belt placing frame (11) and is close to the point line inspection mechanism (82).