Disclosure of Invention
The invention aims to provide the production equipment of the automobile wheel speed sensor, which has the advantages that the carrier component is accurately positioned and operated, welding slag cannot damage an electronic counter, the automation degree is high, and the qualification rate of finished products is high.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the production equipment of the automobile wheel speed sensor comprises a frame, and a circulating conveying line device and a welding device which are arranged on the frame, wherein the positions of the circulating conveying line device and the welding device correspond to each other;
the circulating conveyor line device comprises a plate chain assembly and a plurality of groups of carrier assemblies, wherein the plurality of groups of carrier assemblies are equidistantly arranged on the plate chain assembly, and the plate chain assembly drives the carrier assemblies to move by stepping of a motor;
the carrier assembly comprises a connecting plate, a base, a guide block, a counter positioning block, a shell positioning block and a clamping plate; the cross section of the connecting plate is Z-shaped, the connecting plate comprises an upper platform, a connecting part and a lower platform, the upper platform is outwards suspended and extends out, the lower platform is fixedly arranged on the plate chain assembly, and the base is arranged on the upper platform; the upper platform is connected to the lower platform through the connecting part which inclines outwards, so that the processing from the lower part of the carrier is convenient, and the space limitation of the plate chain component is avoided; the upper platform is provided with an inwards concave base clamping groove for clamping the base, and the base clamping groove is used for clamping the base, so that the lateral movement of the base is prevented, and the processing precision is improved; concentric holes are formed in the upper platform and the base of the connecting plate, so that corresponding parts can conveniently penetrate through the concentric holes during subsequent welding;
the base is provided with a U-shaped groove, the width of the U-shaped groove is consistent with the widths of the guide block and the shell positioning block, an outer bearing step and an inner bearing step are arranged in the U-shaped groove, the height of the outer bearing step is higher than that of the inner bearing step, the outer bearing step is used for mounting the shell positioning block, and the inner bearing step is used for mounting the guide block; locking holes are formed in two sides of the base, and workpieces in the U-shaped groove of the base are positioned and clamped through the locking holes;
the guide block is fixedly arranged in the base, a straight groove matched with the counter positioning block is arranged in the middle of the guide block, and a sinking platform which is matched with the shell convex column and used for supporting is arranged on the side, close to the shell positioning block, of the straight groove; the counter positioning block is provided with groove lines matched with the end part of the electronic counter and used for bearing the end part of the electronic counter, and the other end of the counter positioning block is an inclined lug and used for being matched with the bending device; the counter positioning block is connected in the guide block, and the guide block and the counter positioning block are clamped tightly through a spring and then are pressed tightly towards the side of the shell positioning block; a groove matched with the shell is formed in the center of the shell positioning block and used for placing the shell; the shell positioning block is arranged in the base, and a gap for the welding head to enter during subsequent welding is reserved between the shell positioning block and the guide block; the end part of the shell positioning block is provided with a notch which is used for not interfering with the manipulator when clamping and carrying the shell; the clamping plate leans against the upper part of the shell positioning block, is arranged on the base through a screw and is used for clamping the shell positioning block; the moving directions of the base clamping groove, the U-shaped groove and the straight groove are consistent and are all vertical to the flowing direction of the workpiece;
the welding device comprises a fixing plate, an adjusting screw, a connecting support, a driving motor, a spot welding electrode, a third air cylinder, a fourth air cylinder, a shade and a spot welding machine; the fixing plate is fixedly arranged on the rack, the connecting support is movably matched on the fixing plate, and the adjusting screw adjusts the relative distance between the fixing plate and the connecting support; the spot welding machine is arranged on the connecting support, the driving motor and the spot welding electrodes are arranged on the spot welding machine, the spot welding electrodes are arranged up and down correspondingly, the driving motor is used for controlling the relative movement of the two spot welding electrodes so as to be close to or far away from a workpiece, and the workpiece is positioned between the spot welding electrodes; the third cylinder is horizontally arranged on the rack through a connecting piece, and the fourth cylinder is horizontally arranged on the telescopic end of the third cylinder and is vertical to the third cylinder; the shade is installed on the flexible end of fourth cylinder, and the shape of shade is L shape for cover electron counter's inductive head when the welding.
Preferably, the locking holes are a circular through hole and a square through hole respectively, the shell positioning block is positioned through a cylindrical pin arranged in the circular through hole, and the guide block in the U-shaped groove of the base is positioned and clamped through a square column pin arranged in the square through hole.
Preferably, the automatic feeding device also comprises a feeding device, a circulating conveying line device, a feeding manipulator device, an electronic counter feeding device, a hot melting pressing device, a bending device, a discharging manipulator device and a discharging device; the feeding device and the discharging device are respectively positioned on two sides of the rack, the feeding device is connected with the feeding mechanical arm device, and the discharging device is connected with the discharging mechanical arm device; the circulating conveying line device, the feeding manipulator device, the electronic counter feeding device, the hot melting and laminating device, the welding device, the bending device and the discharging manipulator device are arranged on the rack; along the workpiece processing direction, the feeding manipulator device, the electronic counter feeding device, the hot melting pressing device, the welding device, the bending device and the discharging manipulator device are sequentially arranged in an interlocking manner, and the positions of the feeding manipulator device, the electronic counter feeding device, the hot melting pressing device, the welding device, the bending device and the discharging manipulator device correspond to the circulating conveying line device; the feeding device is used for conveying a material tray provided with a shell to feed; the circulating conveying line device is used for circularly carrying workpieces to circulate and reaching corresponding stations for corresponding operation; the feeding manipulator device is used for transporting the shell in the feeding device to a carrier in the circulating conveying line device to realize feeding; the electronic counter feeding device is used for feeding the electronic counter and conveying the electronic counter to the shell in the carrier; the hot melting and laminating device is used for bonding the shell and the electronic counter together through hot melting; the welding device welds the shell and the wiring electrode of the electronic counter together to enable the shell and the wiring electrode to be conductive; the bending device bends the electronic counter to form the electronic counter; the discharging mechanical arm device is used for carrying finished products, discharging qualified products through the discharging device through visual detection, and collecting unqualified products.
By adopting the production equipment of the automobile wheel speed sensor in the technical scheme, the carrier assembly is positioned and used during assembly through the movable shell positioning block and pushed out during bending, so that the production equipment is convenient and quick, and the continuity of technological actions is improved; the welding device shields the induction head of the electronic counter through the shade, prevents welding slag from splashing to damage the electronic counter, and effectively improves the product percent of pass. The production equipment for the automobile wheel speed sensor has the advantages that the carrier assembly is accurate in positioning and running, the electronic counter cannot be damaged by welding slag, the automation degree is high, and the qualified rate of finished products is high.
Detailed Description
As shown in fig. 1, the production equipment for the automobile wheel speed sensor comprises a frame 1, a feeding device 2, a circulating conveyor line device 3, a feeding manipulator device 4, an electronic counter feeding device 5, a hot melting and laminating device 6, a welding device 7, a bending device 8, a discharging manipulator device 9 and a discharging device 10, wherein the feeding device 2 and the discharging device 10 are respectively arranged on two sides of the frame 1, the feeding device 2 is connected with the feeding manipulator device 4, and the discharging device 10 is connected with the discharging manipulator device 9; the circulating conveying line device 3, the feeding manipulator device 4, the electronic counter feeding device 5, the hot melting and laminating device 6, the welding device 7, the bending device 8 and the discharging manipulator device 9 are arranged on the rack 1; along the workpiece machining direction, the feeding manipulator device 4, the electronic counter feeding device 5, the hot melting pressing device 6, the welding device 7, the bending device 8 and the discharging manipulator device 9 are sequentially connected and arranged, and the positions of the feeding manipulator device, the electronic counter feeding device and the discharging manipulator device correspond to the circulating conveying line device 3.
The feeding device 2 is used for conveying a material tray provided with a shell for feeding; the circulating conveying line device 3 is used for circularly carrying workpieces to circulate and reaching corresponding stations for corresponding operation; the feeding manipulator device 4 is used for transporting the shell in the feeding device 2 to a carrier in the circulating conveyor line device 3 to realize feeding; the electronic counter feeding device 5 is used for feeding the electronic counter and conveying the electronic counter to a shell in the carrier; the hot melting and laminating device 6 is used for bonding the shell and the electronic counter together through hot melting; the welding device 7 welds the shell and the wiring electrode of the electronic counter together to enable the shell and the wiring electrode to conduct electricity; the bending device 8 bends the electronic counter to form the electronic counter; the discharging mechanical arm device 9 is used for carrying finished products, discharging qualified products through the discharging device 10 through visual detection, and collecting unqualified products.
The feeding device 2 comprises a double-layer frame, a discharging roller component, a feeding belt component, a material tray, a lifting seat, a first air cylinder, a lifting connecting frame, a lifting plate and a transition belt component; the discharging roller assembly and the feeding belt assembly are arranged on the double-layer frame, the feeding belt assembly is positioned above the discharging roller assembly, the feeding belt assembly realizes feeding in a mode that a material tray is driven by a synchronous belt, and the discharging roller assembly conveys out an empty material tray for the rotation of a roller; the lifting seat is connected with the end part of a feeding belt component of the discharging roller component, the first air cylinder is arranged on the lifting seat, and the telescopic end of the first air cylinder is connected with the lifting connecting frame; the lifting connecting frame is fixedly connected with the lifting plate and movably connected to the lifting seat through the moving rail; the transition belt subassembly is two, all installs on the lifter plate, links up mutually with ejection of compact cylinder subassembly and feeding belt subassembly tip when elevating status, and the transition belt subassembly is used for carrying the charging tray. Be provided with the flute that matches with the fast casing of wheel on the charging tray, the charging tray is used for placing the casing of the fast sensor of wheel.
When the feeding device 2 works, a material tray filled with a shell of the wheel speed sensor enters from the feeding belt assembly, at the moment, the first cylinder is in an extending state, the material tray enters the transition belt assembly, and the shells in the material tray are conveyed into the feeding device 2 one by one through the feeding manipulator device 4; the empty charging tray after the transportation descends under the drive of the first cylinder and is flush with the discharging roller assembly, the empty charging tray enters the discharging roller assembly under the drive of the transition belt assembly to complete discharging, and the operation is repeated.
The feeding device 2 solves the feeding waiting problem of the material tray, and the waiting is avoided when the material tray is replaced by a circulating feeding mode, so that the working efficiency of the machine is improved.
As shown in fig. 2, the circular conveyor line device 3 includes a plate chain assembly 31 and a plurality of sets of carrier assemblies 32, the plurality of sets of carrier assemblies 32 are equidistantly mounted on the plate chain assembly 31, and the plate chain assembly 31 drives the carrier assemblies 32 to move by stepping of a motor, and reaches a corresponding station to perform corresponding operations on the workpieces therein.
As shown in fig. 3, the wheel speed sensor of the vehicle is formed by welding a housing 100 and an electronic counter 200.
Carrier assembly 32 includes a coupling plate 321, a base 322, a guide block 323, a counter positioning block 324, a housing positioning block 325, and a clamping plate 326. The section of the connecting plate 321 is Z-shaped, the connecting plate 321 includes an upper platform 3211, a connecting portion 3213 and a lower platform 3212, the upper platform 3211 extends outwards, the lower platform 3212 is fixedly mounted on the plate link assembly 31, and the base 322 is mounted on the upper platform 3211; the upper platform 3211 is connected to the lower platform 3212 by an outwardly inclined connecting portion 3213, so that the processing from below the carrier is facilitated, and space limitation of the plate link assembly 31 is avoided; an inwards concave base clamping groove for clamping the base 322 is formed in the upper platform 3211 and is used for clamping the base 322, so that the base 322 is prevented from moving laterally, and the machining precision is improved; the upper platform 3211 and the base 322 of the connecting plate 321 are provided with concentric holes 320, so that corresponding parts can conveniently enter through the concentric holes 320 during subsequent welding.
A U-shaped groove is formed in the base 322, the width of the U-shaped groove is consistent with the widths of the guide block 323 and the housing positioning block 325, an outer bearing step 3221 and an inner bearing step 3222 are arranged in the U-shaped groove, the height of the outer bearing step 3221 is higher than that of the inner bearing step 3222, the outer bearing step 3221 is used for installing the housing positioning block 325, and the inner bearing step 3222 is used for installing the guide block 323; locking holes are formed in two sides of the base 322, and workpieces in the U-shaped groove of the base 322 are positioned and clamped through the locking holes.
The locking holes are a circular through hole 3223 and a square through hole 3224 respectively, the housing positioning block 325 is positioned by a cylindrical pin 3225 arranged in the circular through hole 3223, and the guide block 323 in the U-shaped groove of the base 322 is positioned and clamped by a square pin 3226 arranged in the square through hole 3224.
The guide block 323 is fixedly arranged in the base 322, the middle part of the guide block 323 is provided with a straight groove 3231 matched with the counter positioning block 324, and the side of the straight groove 3231 close to the shell positioning block 325 is provided with a sinking platform matched with the convex column of the shell 100 and used for supporting; the counter positioning block 324 is provided with a groove 3421 matched with the end of the electronic counter 200 for receiving the end of the electronic counter 200, and the other end of the counter positioning block is provided with an inclined bump 3242 for matching with the bending device 8. The counter positioning block 324 is connected to the guide block 323, and the guide block 323 and the counter positioning block 324 are clamped by a spring and then pressed against the housing positioning block 325 side; the housing positioning block 325 is centrally provided with a groove matching with the housing 100 for placing the housing 100. A shell positioning block 325 is arranged in the base 322, and a gap for the welding head to enter during subsequent welding is reserved between the shell positioning block 325 and the guide block 323; a notch 3251 is arranged at the end of the shell positioning block 325, and is used for not interfering with the manipulator when the shell 100 is clamped and carried; the clamping plate 326 is leaned on the housing positioning block 325, is installed on the base 322 through a screw, and is used for clamping the housing positioning block 325, the housing positioning block 325 can be adjusted through a clamping mode, the most suitable position is achieved, different workpieces can be machined through replacing the housing positioning block 325, and the universality of the device is improved.
The moving directions of the base clamping groove, the U-shaped groove and the straight groove 3231 are consistent and are perpendicular to the workpiece flowing direction, and the flexibility adjustment performance of the groove direction and the accuracy of the workpiece flowing direction are improved.
When the carrier assembly 32 works, the housing 100 is firstly carried into the housing positioning block 325, the convex column at the end of the housing 100 is placed in the sinking platform in the sliding groove of the guide block 323, then the electronic counter 200 is carried into the counter positioning block 324, then the electronic counter 200 and the counter positioning block 324 are hot-pressed and welded, and during the bending process, the counter positioning block 324 needs to be ejected out, and a space is reserved for bending.
The carrier assembly 32 solves the problem that other operations are difficult to perform in a workpiece carrier, and the movable shell positioning block 325 is used for positioning during assembly and is pushed out during bending, so that the assembly is convenient and quick, and the continuity of technological actions is improved; the lateral positioning precision of the parts is high during installation, so that the workpieces are prevented from loosening during circulation to influence the machining precision; the combined carrier has better replaceability and is convenient to maintain and process different workpieces.
As shown in fig. 4, the feeding robot device 4 includes a traverse member 41, a longitudinal movement member 42, and a gripping claw assembly 43; the traverse member 41 and the longitudinal moving member 42 are vertically installed with each other, and a gripping claw assembly 43 is installed at the execution end for gripping the housing in the feeding device 2 and transporting it to the carrier assembly 32 in the endless conveyor line device 3; get claw subassembly 43 and press from both sides by the trisection air chuck and press from both sides and get the claw and constitute, press from both sides and get the claw and install on air chuck's removal is served, and the mode of getting is that three clamp is got the claw and is stretched into the round hole in the casing, then air chuck drives to press from both sides and gets the claw and outwards expand, presss from both sides the casing and live, then carries.
Feeding manipulator device 4 has solved the technical problem of casing transport difficulty, gets the claw clamp mode of getting through the clamp from inside to outside expansion, the locating surface of unnecessary contact outer fringe for subsequent location installation convenient and fast more, the precision is higher.
As shown in fig. 5, the electronic counter loading device 5 includes a carrying manipulator assembly 51 and a tray switching assembly 52; the carrying manipulator assembly 51 comprises a transverse moving module 511, a longitudinal moving module 512 and a finger cylinder 513, wherein two moving ends of the finger cylinder 513 are provided with clamping blocks for clamping an electronic counter in the charging tray switching assembly 52; empty trays and full trays are stacked in the tray switching assembly 52, and can be driven by the cylinder to move back and forth, the electronic counters in the full trays are conveyed into the carrier assembly 32 one by one through the conveying manipulator assembly 51, and the feeding of the shell and the electronic counters in the carrier assembly 32 is completed.
As shown in fig. 6, the hot melt pressing device 6 includes a mounting base 61, a second air cylinder 62, a lifting frame 63 and a hot pressing head 64; the mounting base 61 is fixedly arranged on the rack 1, the second air cylinder 62 is mounted on the mounting base 61, the telescopic end of the second air cylinder 62 is connected with the lifting frame 63, the second air cylinder 62 drives the lifting frame 63 to move up and down, and the lifting frame 63 is movably matched on the mounting base 61; the hot-pressing head 64 is arranged on the lifting frame 63, the hot-pressing head 64 is heated through an electric heating wire, a convex column 65 is arranged at the lower end of the hot-pressing head 64, and the hot-pressing head 64 is used for hot melting the plastic block on the shell.
When the hot melting and laminating device 6 works, the hot pressing head 64 is heated, then the second air cylinder 62 extends to lower the hot pressing head 64, the convex column 65 of the hot pressing head 64 is in contact with the plastic block on the shell to melt the plastic block, and then the melted plastic block is flattened, so that the shell 100 is connected with the electronic counter 200.
The hot melt compression fittings 6 has solved casing and electronic counter's connection problem, and through the mode of hot melt pressfitting, convenient and fast improves work efficiency, compares bolted connection and buckle connection more high-efficient.
As shown in fig. 7, the welding device 7 includes a fixing plate 71, an adjusting screw 72, a connecting support 73, a driving motor 74, a spot welding electrode 75, a third cylinder 76, a fourth cylinder 77, a mask 78, and a spot welding machine 79; the fixing plate 71 is fixedly arranged on the frame 1, the connecting support 73 is movably matched on the fixing plate 71, and the adjusting screw 72 adjusts the relative distance between the fixing plate 71 and the connecting support 73; the spot welding machine 79 is arranged on the connecting support 73, the driving motor 74 and the spot welding electrodes 75 are arranged on the spot welding machine 79, the spot welding electrodes 75 are arranged up and down correspondingly, the driving motor 74 is used for controlling the relative movement of the two spot welding electrodes 75 so as to be close to or far away from a workpiece, and the workpiece is positioned between the spot welding electrodes 75; the third cylinder 76 is horizontally arranged on the frame 1 through a connecting piece, and the fourth cylinder 77 is horizontally arranged on the telescopic end of the third cylinder 76 and is vertical to the third cylinder 76; a hood 78 is mounted on the telescopic end of the fourth cylinder 77, the hood having an L-shape for covering the induction head of the electronic counter during welding.
When the welding device 7 works, the position of the spot welding machine 79 is adjusted by the adjusting screw 72 and then fixed, so that the spot welding electrode 75 is opposite to a workpiece; then the third cylinder 76 and the fourth cylinder 77 are extended successively, so that the shade 78 covers the inductive head of the electronic counter; the two spot welding electrodes 75 are then brought close to each other and, after a certain distance, the housing and the electrodes of the electronic counter are welded together.
Welding set 7 has solved the welding and has leaded to the technical problem that the product percent of pass descends, hides the inductive head of electron counter through shade 78, prevents that the welding slag splash from causing the injury to electron counter, effectively improves the product percent of pass.
As shown in fig. 8, the bending device 8 includes a fixed seat 81, a fifth cylinder 82, a sixth cylinder 83, a loosening rod 84, and a pressing block 85; the fixing seat 81 is fixedly arranged on the frame 1, the fifth cylinder 82 is horizontally arranged on the fixing seat 81, and the sixth cylinder 83 is vertically arranged on the telescopic end of the fifth cylinder 82; the loosening rod 84 and the pressing block 85 are both fixedly arranged on the telescopic end of the sixth air cylinder 83, and the lower end of the loosening rod 84 is provided with an inclined surface corresponding to a projection inclined on the counter positioning block 324; briquetting 85 is the cube, and the edge is provided with the chamfer, and the benefit is easily turned over, can not cause the injury to the electronic counter.
When the bending device 8 works, the material loosening rod 84 and the pressing block 85 are extended out by the fifth air cylinder 82, then the material loosening rod 84 and the pressing block 85 are pressed downwards by the sixth air cylinder 83, the material loosening rod 84 is firstly contacted with the counter positioning block 324, the counter positioning block 324 is pushed outwards under the action of an inclined plane, and then the pressing block 85 is contacted with the induction head of the electronic counter and is pressed downwards to be turned over.
Bending device 8 has solved the process of bending of electron counter, through pushing away counter locating piece 324, then turns over and roll over, on the one hand conveniently assembles, and on the other hand conveniently bends, compares the counter welding going of bending, and convenient transport makes the outward appearance of product more neat rule.
As shown in fig. 9, the feeding manipulator device 9 includes a feeding manipulator assembly 91, a CCD vision detecting assembly 92 and a material collecting box 93; the blanking manipulator assembly 91 is arranged on the rack 1 and used for carrying and blanking the processed products in the carrier assembly 32; the CCD visual detection assembly 92 is arranged on the frame 1 through a connecting piece and is used for detecting the appearance of a product and detecting whether the product is qualified or not; the material collecting box 93 is mounted on the frame 1 for collecting the defective products.
When the feeding manipulator device 9 works, firstly, the CCD visual detection assembly 92 is used for detecting products, then qualified products are conveyed to the discharging device 10 according to detection results, and unqualified products are conveyed to the material collecting box 93.
The discharging device 10 has the same mechanism as the feeding device 2, and realizes the feeding of an empty tray and the discharging of a full tray.
When the production equipment of the automobile wheel speed sensor works, firstly, the feeding device 2 carries out circular feeding of a shell, the shell is fed into the circular conveying line device 3 through the feeding manipulator device 4, the circular conveying line device 3 carries workpieces to sequentially circulate and carry out corresponding processing, then feeding of an electronic counter is realized through the feeding device 5 of the electronic counter, the fed shell and the electronic sensor are subjected to hot melting and pressing through the hot melting and pressing device 6, electrodes of the shell and the electronic sensor are welded together through the welding device 7 after the materials are connected in a pressing mode to enable the electrodes to be conductive, then the induction head of the electronic counter is pressed and bent through the bending device 8 to enable the induction head to be formed, finally, the blanking manipulator device 9 is used for detecting qualified products, the qualified products are conveyed out of the working machine through the discharging device 10, unqualified products are separated, and production of the automobile wheel speed sensor is.