An automated assembly line for high-voltage DC contactors

Abstract

This invention relates to an automated assembly line for high-voltage DC contactors. The automated assembly line includes, in a horizontal line, a contact piece and bracket riveting machine, a push rod riveting machine, a moving iron core assembly and dispensing machine, a moving iron core drying oven, a mechanical parameter testing machine, a contact grinding and dust removal machine, and, in a horizontal line, a coil yoke assembly machine, a front-end testing machine, a housing assembly and dispensing machine, an oven, a circuit board and bottom cover assembly machine, and a rear-end testing machine. The contact grinding and dust removal machine and the coil yoke assembly machine are arranged alternately. This invention effectively solves the problem that the production process of high-voltage DC contactors cannot be fully automated in the prior art, realizing automated production of DC contactors, reducing the need for manpower, and improving production efficiency.

Description

Technical Field

[0001] This invention relates to the field of DC contactor production line technology, and more particularly to a highly automated high-voltage DC contactor automated assembly production line. Background Technology

[0002] A DC contactor is a type of contactor used in DC circuits, primarily for controlling DC circuits. However, the production process of existing high-voltage DC contactors cannot be fully automated, still requiring a large number of workers for on-site assembly and testing. This results in limited production efficiency for DC contactors, preventing the realization of automated production and testing functions. Summary of the Invention

[0003] This invention provides an automated assembly line for high-voltage DC contactors, which at least solves the problem that the production process of DC contactors in the prior art cannot be fully automated.

[0004] The technical solution of the present invention is as follows: A high-voltage DC contactor automated assembly production line, comprising a contact piece and bracket riveting machine, a push rod riveting machine, a moving iron core assembly glue dispensing machine, a moving iron core drying oven, a mechanical parameter testing machine, a contact grinding and dust removal machine, and a line diagram yoke assembly machine, a front-end testing machine, a housing assembly glue dispensing machine, an oven, a circuit board and bottom cover assembly machine, and a rear-end testing machine, all connected in a horizontal line; the contact grinding and dust removal machine and the line diagram yoke assembly machine are arranged alternately.

[0005] The contact piece and bracket assembly riveting machine includes a first frame; the top of the first frame is provided with a first return mechanism for reciprocating transport of tooling fixtures; along the transport direction of the first return mechanism are sequentially provided a first riveting mechanism for riveting the contact piece and bracket into one piece, a first inspection mechanism for detecting the riveting height, a first visual inspection mechanism for visual inspection of the riveted finished product, a first dust blowing component for cleaning the finished product, and a first unloading robot for sorting and unloading the finished product; the first dust blowing component and the first unloading robot are arranged parallel to each other; the first unloading robot and the first visual inspection mechanism are arranged perpendicular to each other;

[0006] The push rod riveting machine includes a second frame; the top of the second frame is provided with a second return mechanism for reciprocating transport of tooling fixtures; along the transport direction of the second return mechanism are sequentially provided a second riveting mechanism for riveting push rod elements onto DC contactors, a second dust blowing mechanism for cleaning the push rods after riveting, a second height detection mechanism for detecting the height of the riveted push rods, a second flipping mechanism for flipping the finished product 180°, and a second handling robot with dual outputs for loading and unloading finished products; a second vision inspection mechanism is provided parallel to one side of the second flipping mechanism for visual inspection of the finished product.

[0007] The moving iron core assembly dispensing machine includes a third frame; the top of the third frame is equipped with a third return mechanism for reciprocating transport of tooling fixtures; along the transport direction of the third return mechanism are sequentially arranged an armature pressing mechanism for pressing armatures into DC contactor semi-finished products, a third loading robot for transporting ceramic components and gaskets onto the third return mechanism, a dispensing mechanism for applying adhesive to the parts transported by the third return mechanism, a third handling robot for automatically loading the adhesive-coated DC contactor semi-finished products, and a third dust blowing mechanism for cleaning the transport tooling fixtures; the third loading robot is directly opposite a contact detection mechanism and a scanning mechanism; the contact detection mechanism and the scanning mechanism are arranged in a straight line;

[0008] The mechanical parameter testing machine includes a fifth frame; the top of the fifth frame is equipped with a fifth recirculation mechanism for reciprocating transport of tooling fixtures; along the transport direction of the fifth recirculation mechanism are sequentially arranged a fifth tooling rotation mechanism for rotating the fifth fixture transported on the fifth recirculation mechanism, a fifth feeding robot for transporting the dried semi-finished product to the fifth recirculation mechanism, a fifth mechanical performance testing mechanism for testing the mechanical performance of the DC contactor semi-finished product, a pull-in testing mechanism for testing the pull-in of the DC contactor, and a fifth handling robot for automatically unloading the semi-finished product; a comprehensive testing instrument is provided above the pull-in testing mechanism for comprehensive performance testing of the semi-finished product; a plug feeding mechanism is provided directly opposite the fifth mechanical performance testing mechanism, and a positioning mechanism is provided on the other side;

[0009] The contact grinding and dust removal machine includes a sixth frame; the top of the sixth frame is provided with a turntable mechanism for reciprocating transport of tooling fixtures; along the circumference of the turntable mechanism in the direction of rotation, there are sequentially provided a sixth handling robot for transporting the ground contacts to the turntable mechanism, an anti-static dust removal mechanism for blowing dust from the ground contacts, a flipping mechanism for flipping the semi-finished parts on the turntable mechanism 180° and then putting them back on the turntable mechanism, and a comprehensive testing mechanism for testing the semi-finished products; a grinding mechanism is provided in front of the sixth handling robot for grinding the contacts.

[0010] Wherein: the polishing mechanism includes a polishing bracket; a drive source is provided on the top of the polishing bracket; a polishing component is movably provided on one side of the polishing bracket; the drive source can drive the polishing component to move back and forth; a first linear module drive unit is provided below the polishing bracket; the output end of the first linear module drive unit is provided with a liftable clamping fixture, which is used to push the contact polishing component away after placement.

[0011] Wherein: the second visual inspection mechanism includes a second visual inspection bracket; a second horizontal linear module is horizontally arranged at the top of the second visual inspection bracket for providing power; a second visual camera and a ring light source are coaxially arranged at the output end of the second horizontal linear module; a transport slide is provided in front of the ring light source; a lifting component is provided at one end of the transport slide for lifting the finished product on the transport slide upwards into the light path captured by the second visual camera.

[0012] Wherein: the dispensing mechanism includes a dispensing bracket; a servo drive source is rotatably mounted on the dispensing bracket; an XY moving base is slidably mounted on the top of the dispensing bracket; the servo drive source can drive the XY moving base to reciprocate along a U-shaped moving path; a dispensing servo drive module is vertically mounted on the XY moving base; and a dispensing gun is mounted at the output end of the dispensing servo drive module.

[0013] The third handling robot includes a vertical moving component; the output end of the vertical moving component is provided with a flipping component; the output end of the flipping component is rotatably provided with a finger-clamping cylinder; the flipping component can drive the finger-clamping cylinder to swing back and forth.

[0014] The line diagram yoke assembly machine includes a seventh frame; the top of the seventh frame is provided with a seventh return mechanism for reciprocating transport of tooling fixtures; along the transport direction of the seventh return mechanism are arranged in sequence a seventh loading robot for transporting materials to the tooling fixture on the seventh return mechanism, a yoke loading robot for placing yoke components on the tooling fixture on the seventh return mechanism, a yoke riveting mechanism for completing semi-finished products, a seventh visual inspection mechanism for visual inspection of semi-finished products, a seventh handling robot for automatically classifying and unloading finished products, and a seventh dust blowing mechanism for cleaning fixtures;

[0015] The front-end testing machine includes an eighth frame; the top of the eighth frame is provided with an eighth return mechanism for reciprocating transport of tooling fixtures; along the transport direction of the eighth return mechanism are arranged in sequence an eighth scanning mechanism for statistical analysis of products, an array of probe detection mechanisms for product detection, an eighth defective product unloading robot for unloading defective products, an eighth handling robot for automatically unloading good ceramic assemblies and assembling them onto the shell assembly dispensing machine, and an eighth dust blowing mechanism for cleaning fixtures.

[0016] The shell assembly dispensing machine includes a ninth frame; the top of the ninth frame is provided with a ninth return mechanism for reciprocating transport of tooling fixtures; along the transport direction of the ninth return mechanism are arranged in sequence a shell loading robot for transporting the shell to the tooling fixture on the ninth return mechanism, a shell dispensing mechanism for dispensing glue to the shell, a labeling mechanism for labeling semi-finished products containing ceramic components, a ceramic dispensing mechanism for dispensing glue to the ceramic components, and a pressing mechanism for pressing the top cover into the semi-finished product;

[0017] The circuit board and bottom cover assembly machine includes an eleventh frame, which is equipped with an eleventh return mechanism for cyclic transport. Along the direction of movement of the eleventh return mechanism are sequentially arranged an eleventh feeding mechanism, an eleventh blowing mechanism, an eleventh silicone dispensing mechanism, an eleventh circuit board feeding mechanism, an array-configured eleventh soldering mechanism, an eleventh picking mechanism, an eleventh scanning mechanism, an eleventh vision dispensing mechanism, an eleventh cover plate feeding mechanism, an eleventh cover plate inspection mechanism, and an eleventh unloading robot. The eleventh feeding mechanism is used to transfer materials to the eleventh return mechanism after a 180° flip. The eleventh blowing mechanism is used to clean the materials on the eleventh return mechanism by blowing away dust. The eleventh silicone coating mechanism automatically applies silicone to the materials on the eleventh reflow mechanism; the eleventh circuit board loading mechanism performs secondary positioning on the circuit boards before assembling them onto the materials on the eleventh reflow mechanism; the eleventh soldering mechanism solders the circuit boards onto the eleventh reflow mechanism; the eleventh material handling mechanism picks up materials; the eleventh scanning mechanism scans and records the labels on the finished products; the eleventh vision dispensing mechanism performs visual positioning on the finished products before dispensing; the eleventh cover plate loading mechanism presses the cover plates onto the finished products; the eleventh cover plate inspection mechanism inspects the finished products to ensure the cover plates are installed correctly; and the eleventh unloading robot automatically flips and sorts the finished products before unloading.

[0018] The downstream testing machine includes a twelfth frame; the twelfth frame is equipped with a twelfth return mechanism for cyclic transport; along the moving direction of the twelfth return mechanism, there are sequentially arranged a tooling reversing mechanism, a twelfth barcode scanning component, an array of probe detection components, a height detection mechanism, a magnetic flux detection mechanism, a twelfth unloading robot, and a twelfth dust blowing component; the tooling reversing mechanism is used to rotate the tooling 180° and then reposition it onto the twelfth return mechanism; the twelfth barcode scanning component is used to scan and input information about the finished product; the probe detection component is used to detect whether the product is misaligned around its perimeter; the height detection mechanism is used to detect whether the height of the product is qualified; the magnetic flux detection mechanism is used to detect the magnetic flux of the finished product; the twelfth unloading robot is used to classify and unload the finished product; and the twelfth dust blowing component is used to clean the tooling fixture.

[0019] The eleventh visual dispensing mechanism includes a visual positioning component and an eleventh dispensing component arranged in parallel.

[0020] The visual positioning component includes a visual positioning bracket; a visual inspection camera is fixedly mounted on the visual positioning bracket; a square-shaped light source plate is fixedly mounted on the visual positioning bracket; the square-shaped light source plate is arranged along the optical path of the visual inspection camera.

[0021] The eleventh dispensing component includes an XY plane moving mechanism; the output end of the XY plane moving mechanism is provided with a Z-axis lifting mechanism; the output end of the Z-axis lifting mechanism is provided with a dispensing cylinder element.

[0022] The tooling reversing mechanism includes a tooling switching bracket; the tooling switching bracket is equipped with a tooling lifting cylinder for providing power; a tooling switching base is slidably provided on one side of the tooling switching bracket; the tooling lifting cylinder can drive the tooling switching base to move back and forth; a switching rotating base is fixedly provided on the tooling switching base; a switching rotating cylinder is horizontally provided on one side of the switching rotating base; a rotating clamping cylinder is rotatably provided on the vertically downward side of the switching rotating base; the switching rotating cylinder can drive the rotating clamping cylinder to rotate through rack and pinion engagement.

[0023] The magnetic flux detection mechanism includes a magnetic flux detection bracket; a servo-driven twelfth linear module is horizontally mounted on the magnetic flux detection bracket; a first magnetic flux detection lifting part is movably mounted at the output end of the twelfth linear module; a second magnetic flux detection lifting part is mounted at the output end of the first magnetic flux detection lifting part; the first and second magnetic flux detection lifting parts are arranged parallel to each other; a magnetic flux detection probe is fixedly mounted at the output end of the second magnetic flux detection lifting part.

[0024] This invention offers the following advantages: This production line sequentially assembles all components of a high-voltage DC contactor, performs comprehensive testing on all machine and electrical parameters of the assembled products, screens out defective products discovered during assembly and testing, and ultimately outputs qualified finished products. This production line achieves fully automated production of high-voltage DC contactors, eliminating the need for manual labor, effectively reducing labor costs, and improving production efficiency. Attached Figure Description

[0025] To further illustrate the various embodiments, the present invention provides accompanying drawings. These drawings are part of the disclosure of the present invention, primarily used to illustrate the embodiments and to explain the operating principles of the embodiments in conjunction with the relevant descriptions in the specification. With reference to these drawings, those skilled in the art should be able to understand other possible implementations and the advantages of the present invention. Components in the drawings are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0026] Figure 1 This is a front view of the automated assembly line for high-voltage DC contactors according to the present invention;

[0027] Figure 2 This is a three-dimensional schematic diagram of the contact piece and bracket assembly riveting machine of the present invention;

[0028] Figure 3 This is a three-dimensional schematic diagram of the push rod assembly riveting machine of the present invention;

[0029] Figure 4 This is a three-dimensional schematic diagram of the dispensing machine for assembling the moving iron core according to the present invention;

[0030] Figure 5 This is a three-dimensional schematic diagram of the moving iron core drying oven of the present invention;

[0031] Figure 6 This is a three-dimensional schematic diagram of the mechanical parameter testing machine of the present invention;

[0032] Figure 7 This is a three-dimensional schematic diagram of the contact grinding and dust removal machine of the present invention;

[0033] Figure 8 This is a three-dimensional schematic diagram of the yoke assembly machine of the present invention.

[0034] Figure 9 This is a three-dimensional schematic diagram of the front-end testing machine of the present invention;

[0035] Figure 10 This is a three-dimensional schematic diagram of the shell assembly dispensing machine of the present invention;

[0036] Figure 11 This is a three-dimensional schematic diagram of the oven of the present invention;

[0037] Figure 12 This is a three-dimensional schematic diagram of the circuit board and bottom cover assembly machine of the present invention;

[0038] Figure 13 This is a three-dimensional schematic diagram of the post-testing machine of the present invention. Detailed Implementation

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0040] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0041] See Figures 1 to 13As shown, an automated assembly line for high-voltage DC contactors includes a contact piece and bracket riveting machine 1, a push rod riveting machine 2, a moving iron core assembly glue dispensing machine 3, a moving iron core drying oven 4, a mechanical parameter testing machine 5, a contact grinding and dust removal machine 6, and a line diagram yoke assembly machine 7, a front-end testing machine 8, a housing assembly glue dispensing machine 9, a drying oven 10, a circuit board and bottom cover assembly machine, and a rear-end testing machine, all connected in a horizontal line. The contact grinding and dust removal machine 6 and the line diagram yoke assembly machine 7 are arranged alternately. The system includes: a contact piece and bracket riveting machine 1 for assembling contact pieces and brackets; a push rod assembly riveting machine 2 for assembling push rod assemblies for DC contactors; a moving iron core assembly and dispensing machine 3 for assembling and dispensing moving iron cores for DC contactors; a moving iron core drying oven 4 for drying the dispensed semi-finished DC contactors; a mechanical parameter testing machine 5 for testing the mechanical parameters of DC contactor products; a contact grinding and dust removal machine 6 for grinding the contacts; a coil yoke assembly machine 7 for assembling the coil yokes for DC contactors; a front-end testing machine 8 for testing the electrical parameters of DC contactors; a housing assembly and dispensing machine 9 for assembling the housing with adhesive; a drying oven 10 for drying and curing the adhesive; a circuit board and bottom cover assembly machine for assembling the circuit boards and bottom covers for DC contactors; and a rear-end testing machine for performing final performance tests on the finished DC contactors. This invention relates to an automated assembly line for high-voltage DC contactors. The production line comprises a contact piece and bracket riveting machine 1, a push rod riveting machine 2, a moving iron core assembly and dispensing machine 3, a moving iron core drying oven 4, a mechanical parameter testing machine 5, a contact grinding and dust removal machine 6, and a line diagram yoke assembly machine 7, a front-end testing machine 8, a housing assembly and dispensing machine 9, a drying oven 10, a circuit board and bottom cover assembly machine, and a rear-end testing machine, all connected in a horizontal line. This allows for a rational allocation of production cycles, improving overall line efficiency and preventing situations where individual processes, due to higher production efficiency than others, experience material shortages and waiting times. Simultaneously, it enables multi-process one-time assembly of the high-voltage DC contactor, completing two baking cycles and three performance tests, and performing quality inspection on the finished product. The high degree of automation significantly improves production efficiency, facilitating mass production and full inspection, thus ensuring product quality.

[0042] Based on the above embodiments, the contact piece and bracket assembly riveting machine 1 includes a first frame 11; the top of the first frame 11 is provided with a first return mechanism 12 for reciprocating transport of tooling fixtures; along the transport direction of the first return mechanism 12, there are sequentially provided a first riveting mechanism 13 for riveting the contact piece and bracket into one piece, a first detection mechanism 14 for detecting the riveting height, a first visual inspection mechanism 15 for visual inspection of the riveted finished product, a first dust blowing component 16 for cleaning the finished product, and a first unloading robot 17 for classifying and unloading the finished product; the first dust blowing component 16 and the first unloading robot 17 are arranged parallel to each other; the first unloading robot 17 and the first visual inspection mechanism 15 are arranged perpendicular to each other. During the production process, the contact piece and bracket are transported to the first riveting mechanism 13 station by the first return mechanism 12 for riveting. After being riveted into finished products by the first riveting mechanism 13, they are transported to the first inspection mechanism 14 for height inspection to determine whether the height of the riveted product meets the requirements. After the inspection is completed, they are transported to the first vision inspection mechanism 15 station for visual imaging and entry into the riveting process to determine whether the appearance is qualified. Then, they are transported to the first dust blowing component 16 for dust removal. Finally, they are automatically unloaded by the first unloading robot arm 17.

[0043] Based on the above embodiments, the push rod riveting machine 2 includes a second frame 21; the top of the second frame 21 is provided with a second return mechanism 22 for reciprocating transport of tooling fixtures; along the transport direction of the second return mechanism 22, there are sequentially provided a second riveting mechanism 23 for riveting push rod elements onto DC contactors, a second dust blowing mechanism 24 for cleaning the push rods after riveting, a second height detection mechanism 25 for detecting the height of the push rods after riveting, a second flipping mechanism 26 for flipping the finished product 180°, and a second handling robot 27 with dual outputs for handling finished products loading and unloading; a second vision inspection mechanism 28 is provided parallel to one side of the second flipping mechanism 26 for visual inspection of the finished products.

[0044] Based on the above embodiments, the moving iron core assembly dispensing machine 3 includes a third frame 31; the top of the third frame 31 is provided with a third return mechanism 32 for reciprocating transport of tooling fixtures; along the transport direction of the third return mechanism 32, there are sequentially provided an armature pressing mechanism 33 for pressing armatures into DC contactor semi-finished products, a third loading robot 34 for transporting ceramic components and gaskets onto the third return mechanism 32, a dispensing mechanism 35 for applying glue to the parts transported by the third return mechanism 32, a third handling robot 36 for automatically loading the glued DC contactor semi-finished products, and a third dust blowing mechanism 37 for cleaning the transport tooling fixtures; the third loading robot 34 is directly opposite a contact detection mechanism 38 and a scanning mechanism 39; the contact detection mechanism 38 and the scanning mechanism 39 are arranged in a straight line.

[0045] Based on the above embodiments, the mechanical parameter testing machine 5 includes a fifth frame 51; the top of the fifth frame 51 is provided with a fifth return mechanism 52 for reciprocating transport of tooling fixtures; along the transport direction of the fifth return mechanism 52, there are sequentially provided a fifth tooling rotation mechanism 53 for rotating the fifth fixture transported on the fifth return mechanism 52, a fifth feeding robot 54 for transporting the dried semi-finished product to the fifth return mechanism 52, a fifth mechanical performance testing mechanism 55 for mechanical performance testing of DC contactor semi-finished products, a pull-in testing mechanism 56 for pull-in testing of DC contactors, and a fifth handling robot 57 for automatically unloading semi-finished products; a comprehensive tester 58 is provided above the pull-in testing mechanism 56 for comprehensive performance testing of semi-finished products; a plug feeding mechanism 59 is provided directly opposite the fifth mechanical performance testing mechanism 55, and a positioning mechanism is provided on the other side.

[0046] Based on the above embodiments, the contact grinding and dust removal machine 6 includes a sixth frame 61; the top of the sixth frame 61 is provided with a turntable mechanism 62 for reciprocating transport of tooling fixtures; along the circumference of the turntable mechanism 62 in the direction of rotation, there are sequentially provided a sixth handling robot 63 for transporting the ground contacts to the turntable mechanism, an anti-static dust removal mechanism 64 for blowing dust off the ground contacts, a flipping mechanism 65 for flipping the semi-finished parts on the turntable mechanism 62 180° and then putting them back on the turntable mechanism, and a comprehensive testing mechanism 66 for testing the semi-finished products; a grinding mechanism 67 is provided in front of the sixth handling robot 63 for grinding the contacts.

[0047] Based on the above embodiments, the polishing mechanism 67 includes a polishing bracket 671; a drive source 672 is provided on the top of the polishing bracket 671; a polishing component 673 is movably provided on one side of the polishing bracket 671; the drive source 672 can drive the polishing component 673 to move back and forth; a first linear module drive unit 674 is provided below the polishing bracket 671; the output end of the first linear module drive unit 674 is provided with a liftable clamping fixture 675, which is used to push the contact polishing component away after placement.

[0048] Based on the above embodiments, the second visual inspection mechanism 28 includes a second visual inspection bracket; a second horizontal linear module is horizontally arranged at the top of the second visual inspection bracket for providing power; a second visual camera and a ring light source are coaxially arranged at the output end of the second horizontal linear module; a transport slide is provided in front of the ring light source; a lifting component is provided at one end of the transport slide for lifting the finished product on the transport slide upwards into the light path captured by the second visual camera.

[0049] Based on the above embodiments, the dispensing mechanism 35 includes a dispensing bracket; a servo drive source is rotatably mounted on the dispensing bracket; an XY moving base is slidably mounted on the top of the dispensing bracket; the servo drive source can drive the XY moving base to move back and forth along a U-shaped movement path; a dispensing servo drive module is vertically mounted on the XY moving base; and a dispensing gun is mounted at the output end of the dispensing servo drive module.

[0050] Based on the above embodiments, the third handling robot 36 includes a vertical moving component; the output end of the vertical moving component is provided with a flipping component; the output end of the flipping component is rotatably provided with a finger-clamping cylinder; the flipping component can drive the finger-clamping cylinder to swing back and forth.

[0051] Based on the above embodiments, the line drawing yoke assembly machine 7 includes a seventh frame 71; the top of the seventh frame 71 is provided with a seventh return mechanism 72 for reciprocating transport of tooling fixtures; along the transport direction of the seventh return mechanism 72, there are sequentially provided a seventh loading robot 73 for transporting materials to the tooling fixture on the seventh return mechanism 72, a yoke loading robot 74 for placing yoke components on the tooling fixture on the seventh return mechanism 72, a yoke riveting mechanism 75 for completing semi-finished products, a seventh visual inspection mechanism 76 for visual inspection of semi-finished products, a seventh handling robot 77 for automatically classifying and unloading finished products, and a seventh dust blowing mechanism 78 for cleaning fixtures.

[0052] Based on the above embodiments, the front-end testing machine 8 includes an eighth frame 81; the top of the eighth frame 81 is provided with an eighth return mechanism 82 for reciprocating transport of tooling fixtures; along the transport direction of the eighth return mechanism 82, there are sequentially provided an eighth scanning mechanism 83 for statistical analysis of products, an array of probe detection mechanisms 84 for product detection, an eighth defective product unloading robot 85 for unloading defective products, an eighth handling robot 86 for automatically unloading good ceramic assemblies and assembling them onto the shell assembly dispensing machine 9, and an eighth dust blowing mechanism 87 for cleaning fixtures.

[0053] Based on the above embodiments, the shell assembly dispensing machine 9 includes a ninth frame 91; the top of the ninth frame 91 is provided with a ninth return mechanism 92 for reciprocating transport of tooling fixtures; along the transport direction of the ninth return mechanism 92, there are sequentially provided a shell loading robot 93 for transporting the shell to the tooling fixture on the ninth return mechanism 92, a shell dispensing mechanism 94 for dispensing glue to the shell, a labeling mechanism 95 for labeling semi-finished products containing ceramic components, a ceramic dispensing mechanism 96 for dispensing glue to ceramic components, and a pressing mechanism 97 for pressing the top cover into the semi-finished product.

[0054] Based on the above embodiments, the circuit board and bottom cover assembly machine includes an eleventh frame 111, which is provided with an eleventh return mechanism 112 for cyclic transport; along the moving direction of the eleventh return mechanism 112, there are sequentially arranged an eleventh feeding mechanism 113, an eleventh blowing mechanism 114, an eleventh silicone dispensing mechanism 115, an eleventh circuit board feeding mechanism 116, an array-arranged eleventh soldering mechanism 117, an eleventh picking mechanism 118, an eleventh scanning mechanism 119, an eleventh visual dispensing mechanism 1110, an eleventh cover plate feeding mechanism 1111, an eleventh cover plate detection mechanism 1112, and an eleventh unloading robot arm 1113; the eleventh feeding mechanism 113 is used to transport the material to the eleventh return mechanism 112 after a 180° flip; the eleventh blowing mechanism 114 is used to clean the eleventh return mechanism. The material on the eleventh reflow mechanism 112 is cleaned by blowing off dust; the eleventh silicone mechanism 115 is used to automatically apply silicone to the material on the eleventh reflow mechanism 112; the eleventh circuit board loading mechanism 116 is used to perform secondary positioning of the circuit board and then assemble it onto the material on the eleventh reflow mechanism 112; the eleventh soldering mechanism 117 is used to solder the circuit board onto the eleventh reflow mechanism 112; the eleventh picking mechanism 118 is used to pick up the material; the eleventh scanning mechanism 119 is used to scan and record the labels on the finished product; the eleventh visual dispensing mechanism 1110 is used to perform visual positioning of the finished product and then perform dispensing; the eleventh cover plate loading mechanism 1111 is used to press the cover plate onto the finished product; the eleventh cover plate inspection mechanism 1112 is used to inspect the finished product to see if the cover plate is installed correctly; the eleventh unloading robot 1113 is used to automatically flip the finished product and then sort and unload it.

[0055] Based on the above embodiments, the downstream testing machine includes a twelfth frame 121; the twelfth frame 121 is provided with a twelfth return mechanism 123 for cyclic transport; along the moving direction of the twelfth return mechanism 123, a tooling reversing mechanism 124, a twelfth barcode scanning component 125, an array of probe detection components 126, a height detection mechanism 127, a magnetic flux detection mechanism 128, a twelfth unloading robot 129, and a twelfth dust blowing component 1210 are sequentially arranged; the tooling reversing mechanism 124 is used for After the tooling is rotated 180°, it is placed back onto the twelfth return mechanism 123; the twelfth scanning component 125 is used to scan and input information of the finished product; the probe detection component 126 is used to detect whether the product is misaligned around its perimeter; the height detection mechanism 127 is used to detect whether the height of the product is qualified; the magnetic flux detection mechanism 128 is used to detect the magnetic flux of the finished product; the twelfth unloading robot 129 is used to classify and unload the finished product; the twelfth blowing component 1210 is used to clean the tooling fixture.

[0056] Based on the above embodiments, the eleventh visual dispensing mechanism 1110 includes a visual positioning component and an eleventh dispensing component arranged in parallel.

[0057] The visual positioning component includes a visual positioning bracket; a visual inspection camera is fixedly mounted on the visual positioning bracket; a square-shaped light source plate is fixedly mounted on the visual positioning bracket; the square-shaped light source plate is arranged along the optical path of the visual inspection camera.

[0058] The eleventh dispensing component includes an XY plane moving mechanism; the output end of the XY plane moving mechanism is provided with a Z-axis lifting mechanism; the output end of the Z-axis lifting mechanism is provided with a dispensing cylinder element.

[0059] Based on the above embodiments, the tooling reversing mechanism 124 includes a tooling switching bracket; the tooling switching bracket is provided with a tooling lifting cylinder for providing power; a tooling switching base is slidably provided on one side of the tooling switching bracket; the tooling lifting cylinder can drive the tooling switching base to move back and forth; a switching rotating base is fixedly provided on the tooling switching base; a switching rotating cylinder is horizontally provided on one side of the switching rotating base; a rotating clamping cylinder is rotatably provided on the vertically downward side of the switching rotating base; the switching rotating cylinder can drive the rotating clamping cylinder to rotate through rack and pinion engagement;

[0060] The magnetic flux detection mechanism 128 includes a magnetic flux detection bracket; a servo-driven twelfth linear module is horizontally mounted on the magnetic flux detection bracket; a first magnetic flux detection lifting part is movably mounted at the output end of the twelfth linear module; a second magnetic flux detection lifting part is mounted at the output end of the first magnetic flux detection lifting part; the first and second magnetic flux detection lifting parts are arranged parallel to each other; a magnetic flux detection probe is fixedly mounted at the output end of the second magnetic flux detection lifting part.

[0061] The automated assembly line disclosed in this invention sequentially assembles all components of a high-voltage DC contactor, tests all mechanical and electrical parameters of the assembled product, screens defective products found during assembly and testing, and finally outputs qualified finished products. This production line achieves fully automated production of high-voltage DC contactors, avoiding the use of manual labor, effectively reducing labor costs, and improving production efficiency.

[0062] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. An automated assembly line for high-voltage DC contactors, characterized in that: The automated assembly line for high-voltage DC contactors includes a contact piece and bracket riveting machine (1), a push rod riveting machine (2), a moving iron core assembly glue dispensing machine (3), a moving iron core drying oven (4), a mechanical parameter testing machine (5), a contact grinding and dust removal machine (6), and a line diagram yoke assembly machine (7), a front-end testing machine (8), a housing assembly glue dispensing machine (9), an oven (10), a circuit board and bottom cover assembly machine, and a rear-end testing machine, all connected in a horizontal line. The contact grinding and dust removal machine (6) and the line diagram yoke assembly machine (7) are arranged alternately. The mechanical parameter testing machine (5) includes a fifth frame (51); the top of the fifth frame (51) is provided with a fifth return mechanism (52) for reciprocating transport of tooling fixtures; along the transport direction of the fifth return mechanism (52) are arranged a fifth tooling rotation mechanism (53) for rotating the fifth fixture transported on the fifth return mechanism (52), a fifth feeding robot (54) for transporting the dried semi-finished product to the fifth return mechanism (52), a fifth mechanical performance testing mechanism (55) for testing the mechanical performance of the DC contactor semi-finished product, a pull-in testing mechanism (56) for testing the pull-in of the DC contactor, and a fifth handling robot (57) for automatically unloading the semi-finished product; a comprehensive tester (58) is provided above the pull-in testing mechanism (56) for testing the comprehensive performance of the semi-finished product; a plug feeding mechanism (59) is provided directly opposite the fifth mechanical performance testing mechanism (55), and a positioning mechanism is provided on the other side; The downstream testing machine includes a twelfth frame (121); the twelfth frame (121) is equipped with a twelfth return mechanism (123) for cyclic transport; along the moving direction of the twelfth return mechanism (123) are sequentially arranged a tooling reversing mechanism (124), a twelfth barcode scanning component (125), an array of probe detection components (126), a height detection mechanism (127), a magnetic flux detection mechanism (128), a twelfth unloading robot (129), and a twelfth dust blowing component (1210); the tooling reversing mechanism (124) is used for After the tooling is rotated 180°, it is placed back onto the twelfth return mechanism (123); the twelfth scanning component (125) is used to scan and input information of the finished product; the probe detection component (126) is used to detect whether the product is misaligned around its perimeter; the height detection mechanism (127) is used to detect whether the height of the product is qualified; the magnetic flux detection mechanism (128) is used to detect the magnetic flux of the finished product; the twelfth unloading robot (129) is used to classify and unload the finished product; the twelfth dust blowing component (1210) is used to clean the tooling fixture.

2. The automated assembly line for high-voltage DC contactors as described in claim 1, characterized in that: The contact piece and bracket assembly riveting machine (1) includes a first frame (11); the top of the first frame (11) is provided with a first return mechanism (12) for reciprocating transport of tooling fixtures; along the transport direction of the first return mechanism (12) are arranged a first riveting mechanism (13) for riveting the contact piece and bracket into one piece, a first detection mechanism (14) for detecting the riveting height, a first visual inspection mechanism (15) for visual inspection of the riveted finished product, a first dust blowing component (16) for cleaning the finished product, and a first unloading robot (17) for sorting and unloading the finished product; the first dust blowing component (16) and the first unloading robot (17) are arranged parallel to each other; the first unloading robot (17) and the first visual inspection mechanism (15) are arranged perpendicular to each other; The push rod riveting machine (2) includes a second frame (21); the top of the second frame (21) is provided with a second return mechanism (22) for reciprocating transport of tooling fixtures; along the transport direction of the second return mechanism (22) are arranged a second riveting mechanism (23) for riveting push rod elements onto DC contactors, a second dust blowing mechanism (24) for cleaning the push rods after riveting, a second height detection mechanism (25) for detecting the height of the riveted push rods, a second flipping mechanism (26) for flipping the finished product 180°, and a second handling robot (27) with dual outputs for loading and unloading finished products; a second vision inspection mechanism (28) is provided parallel to one side of the second flipping mechanism (26) for visual inspection of the finished product; the moving iron core assembly dispensing machine (3) includes a third frame (31). The top of the third frame (31) is provided with a third return mechanism (32) for reciprocating transport of tooling fixtures; along the transport direction of the third return mechanism (32) are arranged in sequence an armature pressing mechanism (33) for pressing armatures into DC contactor semi-finished products, a third loading robot (34) for transporting ceramic components and gaskets to the third return mechanism (32), a dispensing mechanism (35) for applying glue to the parts transported by the third return mechanism (32), a third handling robot (36) for automatically loading the glued DC contactor semi-finished products, and a third dust blowing mechanism (37) for cleaning the transport tooling fixtures; the third loading robot (34) is directly opposite a contact detection mechanism (38) and a scanning mechanism (39); the contact detection mechanism (38) and the scanning mechanism (39) are arranged in a straight line; The contact grinding and dust removal machine (6) includes a sixth frame (61); the top of the sixth frame (61) is provided with a turntable mechanism (62) for reciprocating transport of tooling fixtures; along the circumference of the turntable mechanism (62) in the direction of rotation, there are in sequence a sixth handling robot (63) for transporting the ground contacts to the turntable mechanism, an anti-static dust removal mechanism (64) for blowing dust off the ground contacts, a flipping mechanism (65) for flipping the semi-finished parts on the turntable mechanism (62) 180° and putting them back on the turntable mechanism, and a comprehensive testing mechanism (66) for testing the semi-finished products; a grinding mechanism (67) is provided in front of the sixth handling robot (63) for grinding the contacts.

3. The automated assembly line for high-voltage DC contactors as described in claim 2, characterized in that: The polishing mechanism (67) includes a polishing bracket (671); a drive source (672) is provided on the top of the polishing bracket (671); a polishing component (673) is movably provided on one side of the polishing bracket (671); the drive source (672) can drive the polishing component (673) to move back and forth; a first linear module drive unit (674) is provided below the polishing bracket (671); the output end of the first linear module drive unit (674) is provided with a liftable clamping fixture (675) for placing and pushing the contact polishing component away.

4. The automated assembly line for high-voltage DC contactors as described in claim 2, characterized in that: The second visual inspection mechanism (28) includes a second visual inspection bracket; a second horizontal linear module is horizontally arranged at the top of the second visual inspection bracket to provide power; a second visual camera and a ring light source are coaxially arranged at the output end of the second horizontal linear module; a transport slide is provided in front of the ring light source; a lifting component is provided at one end of the transport slide to lift the finished product on the transport slide upward to the light path captured by the second visual camera.

5. The automated assembly line for high-voltage DC contactors as described in claim 3, characterized in that: The dispensing mechanism (35) includes a dispensing bracket; a servo drive source is rotatably mounted on the dispensing bracket; an XY moving base is slidably mounted on the top of the dispensing bracket; the servo drive source can drive the XY moving base to move back and forth along a U-shaped moving path; a dispensing servo drive module is vertically mounted on the XY moving base; and a dispensing gun is mounted at the output end of the dispensing servo drive module. The third handling robot (36) includes a vertical moving component; the output end of the vertical moving component is provided with a flipping component; the output end of the flipping component is rotatably provided with a finger-clamping cylinder; the flipping component can drive the finger-clamping cylinder to swing back and forth.

6. The automated assembly line for high-voltage DC contactors as described in claim 1, characterized in that: The line diagram yoke assembly machine (7) includes a seventh frame (71); the top of the seventh frame (71) is provided with a seventh return mechanism (72) for reciprocating transport of tooling fixtures; along the transport direction of the seventh return mechanism (72) are arranged a seventh loading robot (73) for transporting materials to the tooling fixture on the seventh return mechanism (72), a yoke loading robot (74) for placing yoke components on the tooling fixture on the seventh return mechanism (72), a yoke riveting mechanism (75) for completing semi-finished products, a seventh visual inspection mechanism (76) for visual inspection of semi-finished products, a seventh handling robot (77) for automatically classifying and unloading finished products, and a seventh dust blowing mechanism (78) for cleaning fixtures; The front-end testing machine (8) includes an eighth frame (81); the top of the eighth frame (81) is provided with an eighth return mechanism (82) for reciprocating transport of tooling fixtures; along the transport direction of the eighth return mechanism (82) are arranged an eighth scanning mechanism (83) for statistical analysis of products, an array of probe detection mechanisms (84) for product detection, an eighth defective product unloading robot (85) for unloading defective products, an eighth handling robot (86) for automatically unloading good ceramic sets and assembling them onto the shell assembly dispensing machine (9), and an eighth dust blowing mechanism (87) for cleaning fixtures; The outer shell assembly dispensing machine (9) includes a ninth frame (91); the top of the ninth frame (91) is provided with a ninth return mechanism (92) for reciprocating transport of tooling fixtures; along the transport direction of the ninth return mechanism (92) are arranged in sequence an outer shell loading robot (93) for transporting the outer shell to the tooling fixture on the ninth return mechanism (92), an outer shell dispensing mechanism (94) for dispensing glue to the outer shell, a labeling mechanism (95) for labeling the semi-finished product containing ceramic components, a ceramic dispensing mechanism (96) for dispensing glue to the ceramic components, and a pressing mechanism (97) for pressing the top cover into the semi-finished product; The circuit board and bottom cover assembly machine includes an eleventh frame (111), which is equipped with an eleventh return mechanism (112) for cyclic transport; along the moving direction of the eleventh return mechanism (112) are arranged an eleventh feeding mechanism (113), an eleventh blowing mechanism (114), an eleventh silicone dispensing mechanism (115), an eleventh circuit board feeding mechanism (116), an array of eleventh soldering mechanisms (117), an eleventh picking mechanism (118), an eleventh scanning mechanism (119), an eleventh visual dispensing mechanism (1110), an eleventh cover plate feeding mechanism (1111), an eleventh cover plate detection mechanism (1112), and an eleventh unloading robot (1113); the eleventh feeding mechanism (113) is used to rotate the material 180° and transport it to the eleventh return mechanism (112); the eleventh blowing mechanism (114) is used to clean the eleventh return mechanism. The material on the eleventh reflow mechanism (112) is cleaned by blowing off dust; the eleventh silicone mechanism (115) is used to automatically apply silicone to the material on the eleventh reflow mechanism (112); the eleventh circuit board loading mechanism (116) is used to perform secondary positioning of the circuit board and then assemble it onto the material on the eleventh reflow mechanism (112); the eleventh soldering mechanism (117) is used to solder the circuit board onto the eleventh reflow mechanism (112); the eleventh picking mechanism (118) is used to pick up the material; the eleventh scanning mechanism (119) is used to scan and record the label on the finished product; the eleventh visual dispensing mechanism (1110) is used to perform visual positioning of the finished product and then perform dispensing treatment; the eleventh cover plate loading mechanism (1111) is used to press the cover plate onto the finished product; the eleventh cover plate inspection mechanism (1112) is used to inspect the finished product to see if the cover plate is installed correctly; the eleventh unloading robot (1113) is used to automatically flip the finished product and then classify and unload it.

7. The automated assembly line for high-voltage DC contactors as described in claim 6, characterized in that: The eleventh visual dispensing mechanism (1110) includes a visual positioning component and an eleventh dispensing component arranged in parallel; the visual positioning component includes a visual positioning bracket; a visual inspection camera is fixedly mounted on the visual positioning bracket; a square light source plate is fixedly mounted on the visual positioning bracket; the square light source plate is arranged along the shooting optical path of the visual inspection camera; The eleventh dispensing component includes an XY plane moving mechanism; the output end of the XY plane moving mechanism is provided with a Z-axis lifting mechanism; the output end of the Z-axis lifting mechanism is provided with a dispensing cylinder element.

8. The automated assembly line for high-voltage DC contactors as described in claim 6, characterized in that: The tooling reversing mechanism (124) includes a tooling switching bracket; the tooling switching bracket is equipped with a tooling lifting cylinder for providing power; a tooling switching base is slidably provided on one side of the tooling switching bracket; the tooling lifting cylinder can drive the tooling switching base to move back and forth; a switching rotating base is fixedly provided on the tooling switching base; a switching rotating cylinder is horizontally provided on one side of the switching rotating base; a rotating clamping cylinder is rotatably provided on the vertically downward side of the switching rotating base; the switching rotating cylinder can drive the rotating clamping cylinder to rotate through rack and pinion engagement; The magnetic flux detection mechanism (128) includes a magnetic flux detection bracket; the magnetic flux detection bracket is horizontally mounted on the twelfth linear module driven by the servo. The output end of the twelfth linear module is provided with a first magnetic flux detection lifting part that can be raised and lowered; the output end of the first magnetic flux detection lifting part is provided with a second magnetic flux detection lifting part; the first magnetic flux detection lifting part and the second magnetic flux detection lifting part are arranged in parallel; the output end of the second magnetic flux detection lifting part is fixedly provided with a magnetic flux detection probe.

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