Automatic assembly line and assembly process of ship type overload protection switch

Abstract

The application provides an automatic assembly line and assembly process of a ship type overload protection switch. The automatic assembly line comprises a double gold terminal riveting device, a spring piece assembling and bending device, a terminal assembling device, a spring lamp button assembling device, a pull tab assembling device and a cover plate assembling device arranged in sequence. The double gold riveting, spring piece bending and assembling, terminal assembling, spring lamp button assembling, pull tab assembling and cover plate assembling are integrated on a production line according to a reasonable process sequence. The cover plate is used as a carrier and sequentially flows through each station to automatically complete the assembly of all components. Compared with the prior art, the production efficiency is greatly improved and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of switch assembly, in particular to an automatic assembly line and process for a boat-shaped overload protection switch. BACKGROUND

[0002] In the prior art, the assembly of a boat-shaped overload protection switch relies on manual operation. The operator usually needs to manually pick up, align and press into the housing base a plurality of small and precise components such as button spring, terminal, button, spring sheet, etc. This process is not only tedious and inefficient, but also requires high proficiency and concentration of the operator. Due to the small size and compact structure of the components, manual assembly is prone to quality defects such as missing, misplacing or improper installation, which makes it difficult to guarantee the product qualification rate. At the same time, the increasing labor cost also brings great pressure to production. SUMMARY

[0003] Therefore, the technical problem to be solved by the present application is to overcome the defects of high production cost in the prior art by providing an automatic assembly line and process for a boat-shaped overload protection switch, which is fast and convenient to assemble and has low production cost.

[0004] To this end, the present application provides an automatic assembly line for a boat-shaped overload protection switch, comprising a double-gold terminal riveting device, a spring sheet assembly and bending device, a terminal assembly device, a spring lamp button assembly device, a pull-tab assembly device and a cover plate assembly device arranged in sequence. The double-gold terminal riveting device rivets and fixes one end of a bimetallic sheet and a first terminal to form a double-gold terminal assembly. The spring sheet assembly and bending device inserts and fixes the other end of the bimetallic sheet with a spring sheet, so that the spring sheet, bimetallic sheet and first terminal form a first terminal assembly. After the bimetallic sheet is bent by a certain angle, the first terminal assembly is assembled with the base. The terminal assembly device assembles two second terminals with the base. The spring lamp button assembly device assembles two conductive springs, button springs, lamp assemblies, buttons and the base. The pull-tab assembly device assembles a pull-tab with the base. The cover plate assembly device assembles a cover plate with the base.

[0005] The double-gold terminal riveting device comprises a first turntable, a first terminal feeding mechanism, a terminal pressing mechanism, a bimetallic sheet feeding mechanism, a riveting mechanism and a first material moving mechanism.

[0006] The first rotary disc is rotatably installed on the first frame and has a plurality of first clamps distributed along the circumference thereof; a first terminal feeding mechanism, a terminal pressing mechanism, a bimetallic sheet feeding mechanism, a riveting mechanism and a first material moving mechanism are sequentially distributed at the periphery of the first rotary disc, the first terminal feeding mechanism moves the first terminal to the first clamps, the terminal pressing mechanism presses the first terminal, the bimetallic sheet feeding mechanism moves the bimetallic sheet to the first clamps, one end of the bimetallic sheet abuts against the first terminal, the riveting mechanism rivets and fixes one end of the bimetallic sheet to the first terminal, and the first material moving mechanism moves the riveted bimetallic terminal assembly to a sheet assembly bending device; the first terminal feeding mechanism comprises a first vibrating disc, a first vibrating track, a first cylinder assembly and a first manipulator, the first vibrating disc moves the first terminal to the first vibrating track, the first cylinder assembly moves the first terminal at the end of the first vibrating track to a clamping position, and the first manipulator clamps the first terminal and moves it to a first installation groove of the first clamps.

[0007] The terminal pressing mechanism comprises a sixth cylinder and a first pressing rod driven by the sixth cylinder, the first pressing rod presses the first terminal and the first clamps in place.

[0008] The bimetallic sheet feeding mechanism comprises a second vibrating disc, a second vibrating track, a second cylinder assembly, a third cylinder assembly and a first material suction assembly, the second vibrating disc moves the bimetallic sheet to the second vibrating track, the second cylinder assembly comprises a first rotating plate and a second cylinder for driving the first rotating plate to rotate, the first rotating plate is formed with a bimetallic material moving groove corresponding to the end of the second vibrating track, the first rotating plate moves the bimetallic sheet on the second vibrating track to a first material moving position, the third cylinder assembly moves the bimetallic sheet at the first material moving position to a suction position, and the first material suction assembly sucks the bimetallic sheet and moves it to a second installation groove of the first clamps.

[0009] The first material moving mechanism comprises a second mechanical arm, a third vibrating track, a fourth cylinder assembly and a fifth cylinder assembly. The second mechanical arm clamps the double-gold terminal assembly on the first clamp to the third vibrating track. The fourth cylinder assembly comprises a fourth cylinder and a fourth push plate driven by the fourth cylinder. The fourth push plate is shaped with a material moving groove matched with the double-gold terminal assembly. The fourth push plate moves the double-gold terminal assembly on the third vibrating track to a second material moving position. The fifth cylinder assembly comprises a fifth cylinder and a fifth push rod driven by the fifth cylinder. The fifth push rod moves the double-gold terminal assembly on the second material moving position to the second clamp of the elastic sheet assembly and bending device. The moving direction of the fifth push rod is perpendicular to the moving direction of the fourth push plate.

[0010] The elastic sheet assembly and bending device comprises a second rotating disc, an elastic sheet assembly mechanism, a double-gold bending mechanism and a terminal screw base assembly device distributed in sequence around the second rotating disc. The second rotating disc is rotatably installed on the first rack and has a plurality of second clamps distributed in intervals along the circumference thereof. The elastic sheet assembly mechanism inserts and fixes an elastic sheet with the other end of the double-metal sheet to form a first terminal assembly of the elastic sheet, the double-metal sheet and the first terminal. The double-gold bending mechanism bends the double-metal sheet by a certain angle. The terminal screw base assembly device assembles an adjusting screw with a base and then assembles the assembled first terminal assembly.

[0011] The elastic sheet assembly mechanism comprises an elastic sheet feeding mechanism and a double-gold pre-pressing mechanism. The elastic sheet feeding mechanism moves the elastic sheet to the second clamp. The double-gold pre-pressing mechanism is arranged above the second clamp and comprises a seventh cylinder and a seventh push rod driven by the seventh cylinder. The seventh push rod is arranged opposite to the end of the double-metal sheet away from the riveting position and has an initial position and a pre-pressing position. Before the elastic sheet is loaded into the second clamp, the seventh push rod is in the pre-pressing position. The seventh push rod drives the block part of the double-metal sheet away from the riveting position to deform downward. After the elastic sheet is loaded into the second clamp, the seventh push rod moves to the initial position. The double-metal sheet restores the deformation. The block part is inserted into the insertion hole of the elastic sheet.

[0012] The sheet feeding mechanism comprises a sheet material strip disc, a first material strip conveying assembly, a first sheet cutting mechanism and a second material strip moving mechanism. The sheet material strip disc is adapted to store and externally convey a sheet material strip. The sheet material strip comprises a first connecting sheet and a plurality of sheet pieces distributed along the length direction of the first connecting sheet. A plurality of first perforations corresponding to the plurality of sheet pieces are formed on the first connecting sheet. The first material strip conveying assembly comprises an eighth cylinder assembly and a first material strip driving claw. The eighth cylinder assembly comprises an eighth cylinder and an eighth push plate driven by the eighth cylinder. The first material strip driving claw is rotatably installed on the eighth push plate by a first spring and is provided with a first claw-shaped part matched with the first connecting sheet. When the first material strip driving claw moves in one direction along with the eighth push plate, the first claw-shaped part of the first material strip driving claw extends into the first perforation of the first connecting sheet under the elastic force of the first spring to drive the sheet material strip to move synchronously. When the first material strip driving claw moves in the opposite direction along with the eighth push plate, the first material strip driving claw moves relative to the sheet material strip. The first sheet cutting mechanism comprises a ninth cylinder assembly, a first lever, a first pressing block and a first cutter. One end of the first lever is provided with the first pressing block and the other end is driven by the ninth cylinder assembly. The first cutter is movably installed on the first frame by a second spring and is driven by the first pressing block to cut the first connecting sheet. The second material strip moving mechanism comprises a tenth cylinder assembly, an eleventh cylinder assembly, a twelfth cylinder assembly and a thirteenth cylinder assembly. The tenth cylinder assembly comprises a tenth cylinder and a tenth push rod. The tenth push rod moves the sheet pieces after cutting to a third material moving position. The eleventh cylinder assembly comprises an eleventh rotary cylinder and a second rotary plate driven by the eleventh rotary cylinder. The twelfth push rod of the twelfth cylinder assembly moves the sheet pieces to a material moving groove of the second rotary plate under the drive of the twelfth cylinder. The second rotary plate moves the sheet pieces to a fourth material moving position. The thirteenth cylinder assembly comprises a thirteenth cylinder and a thirteenth push rod. The thirteenth push rod moves the sheet pieces at the fourth material moving position to the second clamp. The moving directions of the thirteenth push rod and the twelfth push rod are perpendicular to the moving direction of the tenth push rod.

[0013] The second clamp is provided with a first stopper above the bimetallic sheet. The bimetallic sheet bending mechanism comprises a fourteenth cylinder assembly and a fifteenth cylinder assembly. The fourteenth cylinder assembly comprises a fourteenth cylinder installed on a first support and a fourteenth push rod driven by the fourteenth cylinder. The fourteenth push rod is inserted into the second clamp in the horizontal direction and moves below the bimetallic sheet. The fifteenth cylinder assembly comprises a fifteenth cylinder and a fifteenth push rod. The fifteenth push rod is connected with the first support to drive the first support to move up and down.

[0014] The terminal screw base assembly device comprises a base feeding mechanism, a screwing mechanism, a turnover mechanism, a terminal base assembly mechanism arranged in sequence, and a third material moving mechanism for switching the base between the mechanisms; the base feeding mechanism comprises a third vibration disc, a third vibration track and a sixteenth cylinder assembly, the third vibration disc feeds the base to the third vibration track, and the sixteenth cylinder assembly feeds the base at the end of the third vibration track to the next station; the screwing mechanism assembles the adjusting screw with the base; the turnover mechanism comprises a sixteenth rotary cylinder and a turnover piece driven by the sixteenth rotary cylinder, the turnover piece turns the base by 180°; the terminal base assembly mechanism assembles the first terminal assembly with the base;

[0015] The third material moving mechanism switches the base between the mechanisms, which comprises a first sliding rail, a plurality of first clamping plates, a first supporting plate, a seventeenth cylinder assembly, a second supporting plate and an eightieth cylinder assembly, the first sliding rail is used for the base to slide thereon, the plurality of first clamping plates are distributed along the length direction of the first supporting plate, and the first clamping plates are shaped with clamping grooves matched with the base, the seventeenth cylinder assembly is arranged on the second supporting plate and used for driving the first supporting plate to move along the left-right direction of the first rack, and the eightieth cylinder assembly is used for driving the second supporting plate to move along the front-back direction of the first rack.

[0016] The terminal base assembly mechanism comprises a sliding block push rod assembly and an eighteenth cylinder assembly, the sliding block push rod assembly is arranged on the second turntable and corresponds to the second clamp, the sliding block push rod assembly comprises a second sliding rail, a sliding block and a terminal push rod, the second sliding rail is arranged along the radial direction of the second turntable, the sliding block is slidingly installed on the second sliding rail, and the first terminal assembly is driven by the terminal push rod to be assembled into the base, the top of the sliding block is provided with a first protruding column and a second protruding column arranged oppositely; the eighteenth cylinder assembly comprises an eighteenth cylinder and an eighteenth push plate, the eighteenth push plate is provided with a driving block inserted between the first protruding column and the second protruding column, and the driving block cooperates with the first protruding column and the second protruding column to drive the sliding block to move.

[0017] The terminal screw base assembly device further comprises a screw height detection mechanism arranged between the screwing mechanism and the turnover mechanism and an unqualified product discharging mechanism.

[0018] The screw height detection mechanism comprises a nineteenth cylinder assembly, a detection rod assembly and a sensor, the nineteenth cylinder assembly comprises a nineteenth cylinder and a nineteenth push rod, the detection rod assembly comprises a detection block fixed with the nineteenth push rod, and a detection rod movably installed on the detection block, the bottom of the detection rod can be in contact with the adjusting screw, and the sensor is arranged above the detection rod to detect the distance between the top of the detection rod.

[0019] The unqualified product discharge mechanism comprises a twentieth cylinder assembly and an L-shaped lifting block, the L-shaped lifting block has a conveying position flush with the first sliding rail and an upward lifting waste discharge position.

[0020] The terminal assembly device comprises two fourth vibration discs, two twenty-first cylinder assemblies, a twenty-second cylinder assembly and a fourth material moving mechanism, the two fourth vibration discs move the second terminals to corresponding fourth vibration tracks, and the two fourth vibration tracks are arranged in parallel; the two twenty-first cylinder assemblies each comprise a twenty-first cylinder and a twenty-first push rod, the twenty-first push rod is formed with a terminal material moving groove matched with the second terminal, and the second terminal is moved to a waiting assembly position; the twenty-second cylinder assembly comprises a twenty-second cylinder and two twenty-second push rods driven by the twenty-second cylinder, and the two twenty-second push rods move the two second terminals into the base; and the fourth material moving mechanism switches the base between various stations.

[0021] The spring lamp button assembly device comprises a third turntable rotatably installed on a second rack and having a plurality of third clamps distributed at intervals in the circumferential direction thereof, a third manipulator, a conductive spring assembly mechanism, a button spring assembly mechanism, a circuit board feeding mechanism, a lampshade feeding mechanism, a fourth material suction manipulator, a button assembly mechanism and a fifth manipulator, which are sequentially distributed at the periphery of the third turntable; the third manipulator moves the base assembled by the terminal assembly device to the third clamps; the conductive spring assembly mechanism installs two conductive springs on the base; the button spring assembly mechanism installs the button spring on the base; the circuit board feeding mechanism and the lampshade feeding mechanism respectively place a circuit board and a lampshade on the third clamps, and the circuit board and the lampshade form a lamp assembly; the fourth material suction manipulator installs the lamp assembly on the base; the button assembly mechanism assembles the button with the base; and the fifth manipulator moves the assembled base from the third turntable to the next station.

[0022] The conductive spring assembly mechanism comprises a fifth vibrating disc, a second support, and a third support. The fifth vibrating disc delivers two conductive springs outward through two first connecting pipes. The second support is provided with a twenty-third cylinder assembly and a third sliding rail. The twenty-third cylinder assembly comprises a twenty-third cylinder and a twenty-third push rod. The twenty-third push rod is slidingly installed on the third sliding rail and is formed with two first accommodating holes for accommodating the conductive springs. The third sliding rail is formed with a first material guiding hole. The twenty-third push rod has a material falling position and a material moving position. When the twenty-third push rod is in the material falling position, the first accommodating holes are correspondingly arranged at the bottom outlet holes of the first connecting pipes. When the twenty-third push rod is in the material moving position, the first accommodating holes are correspondingly arranged at the first material guiding hole. The third support is provided with a second material guiding block, a twenty-fourth cylinder assembly, a third material guiding block, and a twenty-fifth cylinder assembly. The second material guiding block is connected with the first material guiding hole through a second connecting pipe and is formed with a second material guiding hole. The twenty-fourth cylinder assembly comprises a twenty-fourth cylinder and a twenty-fourth push rod. The twenty-fourth push rod is formed with a second accommodating hole. The third material guiding block is located above the third clamp and is formed with a third material guiding hole corresponding to the base. The twenty-fourth push rod has a material falling position and a material moving position. When the twenty-fourth push rod is in the material falling position, the second accommodating hole is correspondingly arranged at the second material guiding hole. When the twenty-fourth push rod is in the material moving position, the second accommodating hole is correspondingly arranged at the third material guiding hole. The twenty-fifth cylinder assembly comprises a twenty-fifth cylinder and a twenty-fifth push rod. The twenty-fifth push rod is arranged above the third material guiding block and is used for pressing the conductive spring in the third material guiding hole into the base.

[0023] The button spring assembly mechanism comprises a sixth vibrating disc, a twenty-sixth cylinder assembly, a fourth sliding rail, and a twenty-seventh cylinder assembly. The sixth vibrating disc delivers a button spring outward through a third connecting pipe. The fourth support is provided with the twenty-sixth cylinder assembly, the fourth sliding rail, and the twenty-seventh cylinder assembly. The twenty-sixth cylinder assembly comprises a twenty-sixth cylinder and a twenty-sixth push rod. The twenty-sixth push rod is slidingly installed on the fourth sliding rail and is formed with a third accommodating hole for accommodating the button spring. The fourth sliding rail is formed with a fourth material guiding hole. The twenty-sixth push rod has a material falling position and a material moving position. When the twenty-sixth push rod is in the material falling position, the third accommodating hole is correspondingly arranged at the bottom outlet hole of the third connecting pipe. When the twenty-sixth push rod is in the material moving position, the third accommodating hole is correspondingly arranged at the fourth material guiding hole. The twenty-seventh cylinder assembly comprises a twenty-seventh cylinder and a twenty-seventh push rod. The twenty-seventh push rod presses the button spring in the fourth material guiding hole into the base.

[0024] The circuit board feeding mechanism comprises a seventh vibrating disc, a seventh vibrating track and a sixth suction manipulator, the seventh vibrating disc moves the circuit board towards the seventh vibrating track, and the sixth suction manipulator sucks the circuit board and places it on the third clamp; the lampshade feeding mechanism comprises an eighth vibrating disc, an eighth vibrating track and a seventh suction manipulator, the eighth vibrating disc moves the lampshade towards the eighth vibrating track, and the seventh suction manipulator sucks the lampshade and places it on the circuit board of the third clamp;

[0025] The button assembling mechanism comprises a ninth vibrating disc, a ninth vibrating track, a twenty-eighth cylinder assembly and an eighth manipulator, the ninth vibrating disc moves the button towards the ninth vibrating track, the twenty-eighth cylinder assembly comprises a twenty-eighth rotary cylinder and a third rotating plate, the third rotating plate moves the button on the ninth vibrating track to a clamping position, and the eighth manipulator assembles the button and the base.

[0026] The pull-tab assembling device comprises a pull-tab tape reel, a second tape conveying assembly, a second cutting mechanism and a fifth material moving mechanism, the pull-tab tape reel is adapted to store and convey outward a pull-tab tape, the pull-tab tape comprises a second connecting piece and a plurality of pull tabs which are spaced apart along the length direction of the second connecting piece, the second tape conveying assembly moves the pull-tab tape to a cutting position, the second cutting mechanism cuts the connecting part between the pull tab and the second connecting piece, and the fifth material moving mechanism moves and assembles the pull tab into the base.

[0027] The second connecting piece is formed with a second perforation corresponding to the plurality of pull tabs, the second tape conveying assembly comprises a twenty-ninth cylinder assembly and a second tape driving claw, the twenty-ninth cylinder assembly comprises a twenty-ninth cylinder and a twenty-ninth push plate driven by the twenty-ninth cylinder, and the second tape driving claw is rotatably installed on the twenty-ninth push plate through a third spring and is provided with a second claw-shaped part matched with the second connecting piece, wherein when the second tape driving claw moves in one direction along with the twenty-ninth push plate, the second claw-shaped part of the second tape driving claw extends into the second perforation of the second connecting piece under the elastic force of the third spring to drive the pull-tab tape to move synchronously, and when the second tape driving claw moves in the opposite direction along with the twenty-ninth push plate, the second tape driving claw moves relative to the pull-tab tape.

[0028] The second cutting mechanism comprises a thirtieth cylinder assembly, a second lever, a second pressing block and a second cutter, one end of the second lever is provided with the second pressing block, the other end is driven by the thirtieth cylinder assembly, the second cutter is movably installed on a fifth support through a fourth spring and cuts the second connecting piece under the driving of the second pressing block.

[0029] The fifth material moving mechanism comprises a pull tab positioning mechanism, a thirty-first cylinder assembly, a material moving rod, a thirty-second cylinder assembly and a material moving cylinder assembly, the pull tab positioning mechanism comprises a second stop block, a third pressing block and a fifth spring, the third pressing block is oppositely arranged with the second stop block, and the third pressing block is pressed against the second stop block under the elastic force of the fifth spring; the thirty-first cylinder assembly is arranged below the pull tab and comprises a thirty-first cylinder and a thirty-first push rod, the thirty-first push rod pushes the pull tab with the slicing completed into the material moving rod; the material moving rod and the thirty-second cylinder assembly are arranged on the sixth support and above the pull tab, the material moving rod is formed with a clamping hole for clamping the pull tab, the thirty-second cylinder assembly comprises a thirty-second cylinder and a thirty-second push rod, and the thirty-second push rod extends into the clamping hole and presses the pull tab into the base; the material moving cylinder assembly is connected with the sixth support and moves the pull tab from the slicing position to the assembling position.

[0030] The cover plate assembling device comprises a cover plate feeding mechanism, a cover plate pressing mechanism and a sixth material moving mechanism, the cover plate feeding mechanism moves the cover plate to the base and comprises a tenth vibration disc, a tenth vibration track and a ninth mechanical hand, the tenth vibration disc feeds the cover plate to the tenth vibration track, and the ninth mechanical hand clamps and moves the cover plate from the tenth vibration track to the base; the cover plate pressing mechanism presses the cover plate and the base and comprises a thirty-third cylinder and a thirty-third push rod, and the thirty-third push rod tightly connects the cover plate and the base; the sixth material moving mechanism switches the base between various stations and comprises a sixth sliding rail, a plurality of third clamping plates, a third supporting plate, a thirty-fourth cylinder assembly, a fourth supporting plate and a thirty-fifth cylinder assembly, the sixth sliding rail is used for sliding of the base, the third clamping plates are distributed along the length direction of the third supporting plate, the third clamping plates are formed with clamping grooves matched with the base, the thirty-fourth cylinder assembly is arranged on the fourth supporting plate and is used for driving the third supporting plate to move along the left-right direction of the third rack, and the thirty-fifth cylinder assembly is used for driving the fourth supporting plate to move along the front-back direction of the third rack.

[0031] The application further provides an assembling process of the ship type overload protection switch, which comprises the following steps:

[0032] S1, riveting and fixing one end of the bimetallic sheet to the first terminal;

[0033] S2, inserting and fixing the other end of the bimetallic sheet to the spring sheet, so that the spring sheet, the bimetallic sheet and the first terminal form a first terminal assembly;

[0034] S3, after bending the bimetallic strip at a certain angle, assemble the first terminal assembly with the base;

[0035] S4, assemble the two second terminals with the base;

[0036] S5, assemble two conductive springs and one button spring with the base;

[0037] S6, Assemble the light assembly and button onto the base in sequence;

[0038] S7. Assemble the lifting plate and cover plate with the base in sequence.

[0039] It also includes assembling the adjusting screw with the base before assembling the first terminal assembly with the base.

[0040] The technical solution of this invention has the following advantages:

[0041] 1. The automatic assembly line provided by this invention integrates double metal riveting, spring sheet bending assembly, terminal assembly, spring light button assembly, lifting sheet assembly, and cover plate assembly into a production line according to a reasonable process sequence. The cover plate, as a carrier, flows through each workstation in sequence, automatically completing the assembly of all components. Compared with the prior art, this greatly improves production efficiency and reduces production costs.

[0042] 2. The automatic assembly line provided by the present invention includes a bimetallic terminal riveting device comprising a first turntable, a first terminal feeding mechanism, a terminal clamping mechanism, a bimetallic sheet feeding mechanism, a riveting mechanism, and a first material transfer mechanism. Before riveting, the first terminal is clamped onto the fixture to prevent it from shifting or bouncing during subsequent feeding or riveting, thus ensuring the accuracy of the riveting position.

[0043] 3. The automated assembly line provided by this invention includes a spring assembly mechanism comprising a spring feeding mechanism and a bimetallic pre-pressing mechanism. Utilizing the elastic deformation characteristics of the bimetallic strip, the pre-pressing mechanism temporarily deforms it to create space for the spring insertion. Then, the pressure is released to allow it to spring back, and the insert portion of the bimetallic strip automatically inserts into the spring's insertion hole. This design avoids complex mechanical forced engagement, featuring an ingenious structure, gentle movement, and effective protection of parts from damage, improving the success rate and consistency of insertion.

[0044] 4. The automatic assembly line provided by the present application, the shell piece feeding mechanism comprises a shell piece strip disc, a first strip conveying assembly and a first cutting mechanism, a first strip driving claw is rotatably installed on the eighth push plate through a first spring, and the first strip driving claw is provided with a first claw-shaped part matched with the first connecting piece, wherein when the first strip driving claw moves in one direction along with the eighth push plate, the first claw-shaped part of the first strip driving claw extends into the first perforation of the first connecting piece under the elastic force of the first spring, and the shell piece strip is driven to move synchronously; when the first strip driving claw moves in the opposite direction along with the eighth push plate, the first strip driving claw moves relative to the shell piece strip; and the design of the first strip driving claw and the first cutting mechanism realizes intermittent and accurate feeding of the strip and accurate cutting and separation of the single shell piece.

[0045] 5. The automatic assembly line provided by the present application, a plurality of slider push rod assemblies corresponding to the second clamp are arranged on the second turntable, the slider push rod assembly comprises a second sliding rail, a slider and a terminal push rod, the second sliding rail is arranged along the radial direction of the second turntable, the slider is slidably installed on the second sliding rail, and the top of the slider is provided with a first convex column and a second convex column arranged oppositely; when the second turntable drives the second clamp to rotate to the corresponding assembly position, the driving block of the eighteenth cylinder assembly is inserted between the first convex column and the second convex column, so that the slider is driven to move, and the first terminal assembly is smoothly pushed into the base, and the structure is simple.

[0046] 6. The automatic assembly line provided by the present application, two fourth vibration rails arranged in parallel are used to convey corresponding second terminals, and then the two terminals are moved to the assembly position by the twenty-first cylinder assembly; the two push rods driven by the twenty-second cylinder assembly can press the two second terminals into the base at the same time, so that the production efficiency is improved, and the relative position accuracy of the two terminals in the base is ensured.

[0047] 7. The automatic assembly line provided by the present application, the conductive spring sequentially passes through the fifth vibration disc, the first connecting pipe, the first containing hole of the twenty-third push rod, the first material guide hole, the second connecting pipe, the second material guide block, the second containing hole of the twenty-fourth push rod, the third material guide hole of the third material guide block, and then the conductive spring is pressed into the base by the twenty-fifth cylinder assembly, so that the tiny and difficult-to-handle conductive spring is accurately and reliably conveyed from the vibration disc to the final assembly position.

[0048] 8. The automatic assembly line provided by the present application, the pull-tab positioning mechanism can immediately fix the cut pull-tab under the action of the fifth spring through the cooperation of the second stop block and the third pressing block, so as to prepare for the subsequent push-in clamping, and when the material moving rod is moved to above the base, the pull-tab is pressed into the base by the third twenty-second push rod extending into the clamping hole of the material moving rod. BRIEF DESCRIPTION OF DRAWINGS

[0049] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort based on these drawings.

[0050] Figure 1 Structure diagram of the automatic assembly line of the present application;

[0051] Figure 2 Structure diagram of the automatic assembly line (terminal assembly part);

[0052] Figure 3 Perspective view of the double-metal terminal riveting device;

[0053] Figure 4 Perspective view of the first terminal feeding mechanism and the first rotary disc;

[0054] Figure 5 Partly enlarged structure diagram of Figure 4

[0055] Figure 6 Partly perspective view of the terminal pressing mechanism;

[0056] Figure 7 Perspective view of the double-metal sheet feeding mechanism;

[0057] Figure 8 First partly enlarged structure diagram of the double-metal sheet feeding mechanism;

[0058] Figure 9 Second partly enlarged structure diagram of the double-metal sheet feeding mechanism;

[0059] Figure 10 Perspective view of the first rotary disc, the first material moving mechanism and the second rotary disc;

[0060] Figure 11 Partly enlarged structure diagram of Figure 10

[0061] Figure 12 Perspective view of the spring sheet assembling and bending device;

[0062] Figure 13 Perspective view of the spring sheet assembling mechanism and the second rotary disc;

[0063] Figure 14 Assembling diagram of the double-metal sheet and the spring sheet in the second clamp;

[0064] Figure 15 ​​First perspective view of the bullet assembling mechanism;

[0065] Figure 16 Second perspective view of the bullet assembling mechanism;

[0066] Figure 17 Partial sectional view of the first tape conveying assembly;

[0067] Figure 18 Schematic view of the first tape driving pawl cooperating with the bullet tape;

[0068] Figure 19 Partial perspective view of the bullet feeding mechanism;

[0069] Figure 20 Perspective view of the double gold bending mechanism and the second turntable;

[0070] Figure 21 Partial enlarged structural schematic view of Figure 20 ;

[0071] Figure 22 Perspective view of the terminal base assembling mechanism and the second turntable;

[0072] Figure 23 Partial enlarged structural schematic view of Figure 22 ;

[0073] Figure 24 Perspective view of the terminal screw base assembling device;

[0074] Figure 25 Partial enlarged structural schematic view of Figure 24 ;

[0075] Figure 26 Perspective view of the automatic assembly line (terminal bullet spring lamp assembly part);

[0076] Figure 27 Perspective view of the terminal assembling device;

[0077] Figure 28 Partial enlarged structural schematic view of Figure 27 ;

[0078] Figure 29 Partial enlarged top view of Figure 27 ;

[0079] Figure 30 Structural schematic view of the spring lamp button assembling device;

[0080] Figure 31 Perspective view of the conductive spring assembling mechanism;

[0081] Figure 32 Partial enlarged structural schematic view of Figure 31First partial enlarged structural schematic view of

[0082] Figure 33 For Figure 31 Second partial enlarged structural schematic view of

[0083] Figure 34 For the twenty-fourth push rod and the third material guide block is the perspective view of

[0084] Figure 35 For the perspective view of button spring assembly mechanism

[0085] Figure 36 For the perspective view of circuit board feeding mechanism

[0086] Figure 37 For the perspective view of lampshade feeding mechanism

[0087] Figure 38 For the perspective view of the third clamp

[0088] Figure 39 For the perspective view of button assembly mechanism

[0089] Figure 40 For the perspective view of automatic assembly line (pull piece cover plate assembly part)

[0090] Figure 41 For the perspective view of pull piece assembly device (after removing the material belt disc)

[0091] Figure 42 For Figure 41 Side view

[0092] Figure 43 For Figure 41 Partial enlarged structural schematic view

[0093] Figure 44 For the perspective view of the material moving rod and the thirty-second cylinder assembly

[0094] Figure 45 For the second material belt conveying assembly is the partial sectional view

[0095] Figure 46 For the perspective view of pull piece material belt

[0096] Figure 47 For the perspective view of cover plate assembly device

[0097] Figure 48 For the perspective view of the sixth material moving mechanism

[0098] Figure 49 For the structural schematic view of boat-shaped overload protection switch

[0099] Figure 50The schematic view of the explosion structure of the ship type overload protection switch;

[0100] Figure 51 The perspective view of the spring, bimetallic strip and first terminal.

[0101] Explanation of reference numerals: 1, base; 2, cover plate; 3, bimetallic strip; 4, first terminal; 5, bimetallic terminal assembly; 6, spring; 7, first terminal assembly; 8, adjusting screw; 9, plug block part; 10, insertion hole; 11, lamp assembly; 12, second terminal; 13, button spring; 14, button; 15, conductive spring; 16, circuit board; 17, lampshade; 18, SMD LED lamp; 19, pin part; 20, pull tab;

[0102] 31, double gold terminal riveting device; 32, spring piece assembly bending device; 33, first rotary table; 34, first rack; 35, first clamp; 36, first terminal feeding mechanism; 37, double metal piece feeding mechanism; 38, riveting mechanism; 39, first material moving mechanism; 40, first vibration disc; 41, first vibration track; 42, first cylinder assembly; 43, first manipulator; 44, second vibration disc; 45, second vibration track; 46, second cylinder assembly; 47, third cylinder assembly; 48, first material suction assembly; 49, first rotary plate; 50, second cylinder; 51, double gold material moving groove; 52, second manipulator; 53, third vibration track; 54, fourth cylinder assembly; 55, fifth cylinder assembly; 56, fourth cylinder; 57, fourth push plate; 58, fifth cylinder; 59, fifth push rod; 60, second clamp; 61, terminal pressing mechanism; 62, sixth cylinder; 63, first pressing rod; 64, second rotary table; 65, spring piece assembly mechanism; 66, double gold bending mechanism; 67, terminal screw base assembly device; 68, spring piece feeding mechanism; 69, double gold pre-pressing mechanism; 70, seventh push rod; 71, spring piece material tape disc; 72, spring piece material tape; 73, first connecting piece; 74, first perforation; 75, first material tape conveying assembly; 76, eighth cylinder assembly; 77, first material tape driving claw; 78, eighth cylinder; 79, eighth push plate; 80, first spring; 81, first claw-shaped part; 82, first slicing mechanism; 83, ninth cylinder assembly; 84, first lever; 85, first pressing block; 86, first cutting knife; 87, second material moving mechanism; 88, tenth cylinder assembly; 89, eleventh cylinder assembly; 90, twelfth cylinder assembly; 91, thirteenth cylinder assembly; 92, tenth cylinder; 93, tenth push rod; 95, second rotary plate; 96, twelfth cylinder; 97, twelfth push rod; 98, thirteenth cylinder; 99, thirteenth push rod; 100, first stop block; 101, fourteenth cylinder assembly; 102, first support; 103, fourteenth cylinder; 104, fourteenth push rod; 105, fifteenth cylinder assembly; 106, fifteenth cylinder; 107, fifteenth push rod; 108, base feeding mechanism; 109, screw driving mechanism; 110, overturning mechanism; 111, terminal base assembly mechanism; 112, third material moving mechanism; 113, third vibration disc; 114, eleventh vibration track; 115, sixteenth cylinder assembly; 116, first sliding rail; 117, first clamping plate; 118, first support plate; 119, seventeenth cylinder assembly; 120, second support plate; 121, eightieth cylinder assembly; 122, sliding block push rod assembly; 123, second sliding rail; 124, sliding block; 125, terminal push rod; 126, first protruding column; 127, second protruding column; 128, eighteenth cylinder assembly; 129, eighteenth cylinder; 130, eighteenth push plate; 131, driving block; 132, screw height detection mechanism; 133, unqualified product discharging mechanism; 134, nineteenth cylinder assembly;135, probe rod assembly; 136, sensor; 137, nineteenth cylinder; 138, nineteenth push rod; 139, probe block; 140, probe rod; 141, twentieth cylinder assembly; 142, L-shaped lifting block; 143, sixteenth rotary cylinder; 144, turnover piece;

[0103] 200, terminal assembly device; 201, spring lamp button assembly device; 202, fourth vibration disc; 203, fourth vibration track; 204, twenty-first cylinder assembly; 205, twenty-first cylinder; 206, twenty-first push rod; 207, terminal material moving groove; 208, twenty-second cylinder assembly; 209, twenty-second cylinder; 210, twenty-second push rod; 211, fourth material moving mechanism; 212, second machine frame; 213, third rotary disc; 214, third clamp; 215, third mechanical arm; 216, conductive spring assembly mechanism; 217, button spring assembly mechanism; 218, circuit board feeding mechanism; 219, lampshade feeding mechanism; 220, fourth material suction mechanical arm; 221, button assembly mechanism; 222, fifth mechanical arm; 223, fifth vibration disc; 224, first connecting pipe; 225, second support; 226, twenty-third cylinder assembly; 227, third sliding rail; 228, twenty-third cylinder; 229, twenty-third push rod; 231, first containing hole; 232, first material guide hole; 233, third support; 234, second material guide block; 235, twenty-fourth cylinder assembly; 236, third material guide block; 237, twenty-fifth cylinder assembly; 238, second material guide hole; 239, twenty-fourth cylinder; 240, twenty-fourth push rod; 241, fourth support; 242, second containing hole; 243, third material guide hole; 244, twenty-fifth cylinder; 245, twenty-fifth push rod; 246, sixth vibration disc; 247, third connecting pipe; 248, twenty-sixth cylinder assembly; 249, fourth sliding rail; 250, twenty-seventh cylinder assembly; 251, twenty-sixth cylinder; 252, twenty-sixth push rod; 253, third containing hole; 254, twenty-seventh cylinder; 255, twenty-seventh push rod; 256, seventh vibration disc; 257, seventh vibration track; 258, sixth material suction mechanical arm; 259, eighth vibration disc; 260, eighth vibration track; 261, seventh material suction mechanical arm; 262, ninth vibration disc; 263, ninth vibration track; 264, twenty-eighth cylinder assembly; 265, eighth mechanical arm; 266, twenty-eighth rotary cylinder; 267, third rotary plate; 268, second clamping plate; 269, thirty-sixth cylinder assembly; 270, thirty-seventh cylinder assembly; 271, fifth sliding rail;

[0104] 300, pull piece assembly device; 301, pull piece material tape disc; 302, second material tape conveying assembly; 303, second slicing mechanism; 304, fifth material moving mechanism; 305, pull piece material tape; 306, second connecting piece; 307, cover plate assembly device; 308, second perforation; 309, twenty-ninth cylinder assembly; 310, second material tape driving claw; 311, twenty-ninth cylinder; 312, twenty-ninth push plate; 313, third spring; 314, second claw-shaped part; 315, thirtieth cylinder assembly; 316, second lever; 317, second pressing block; 318, second cutter; 319, pull piece positioning mechanism; 320, second stop block; 321, third pressing block; 322, thirty-first cylinder assembly; 323, thirty-first cylinder; 324, thirty-first push rod; 325, material moving rod; 326, thirty-second cylinder assembly; 327, sixth support; 328, thirty-second push rod; 329, material moving cylinder assembly; 330, 331, cover plate feeding mechanism; 332, cover plate pressing mechanism; 333, sixth material moving mechanism; 334, tenth vibration disc; 335, tenth vibration track; 336, ninth mechanical hand; 337, thirty-third cylinder; 338, thirty-third push rod; 339, sixth sliding rail; 340, third clamping plate; 341, third support plate; 342, thirty-fourth cylinder assembly; 343, fourth support plate; 345, thirty-fifth cylinder assembly; 347, third rack; 348, thirty-second cylinder. DETAILED DESCRIPTION

[0105] The technical solutions of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0106] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0107] In the description of the present application, it is necessary to point out that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0108] In addition, the technical features involved in the different embodiments of the application described below can be combined with each other as long as there is no conflict between them.

[0109] Embodiment

[0110] The present embodiment provides an automatic assembly line for boat-shaped overload protection switches, which is suitable for assembling boat-shaped overload protection switches, as shown in Figure 49 and 50 The boat-shaped overload protection switch comprises a base 1, a cover plate 2, a bimetallic strip 3, a first terminal 4, a spring 6, an adjusting screw 8, a second terminal 12, a button spring 13, a button 14, a conductive spring 15, a circuit board 16, a lampshade 17, and a pull-tab 20. The lamp assembly 11 comprises the circuit board 16 and the lampshade 17. The circuit board 16 is provided with a patch LED lamp 18 and two contact portions. Two second terminals 12 are provided with pin portions 19 corresponding to the two contact portions. Two conductive springs 15 are respectively installed between the two contact portions and the corresponding pin portions 19, so as to electrically connect the contact portions and the corresponding pin portions 19. As shown in Figure 51 The spring 6 is provided with a insertion hole 10, and the end of the bimetallic strip 3 is provided with an insertion block portion 9 which is adapted to be inserted into the insertion hole 10. As shown in Figure 1 The automatic assembly line comprises a bimetallic terminal riveting device 31, a spring assembly bending device 32, a terminal assembly device 200, a spring lamp button assembly device 201, a pull-tab assembly device 300, and a cover plate assembly device 307.

[0111] The bimetallic terminal riveting device 31 rivets and fixes one end of the bimetallic strip 3 and the first terminal 4 to form a bimetallic terminal assembly 5, and delivers it to the spring assembly bending device 32, as shown in Figure 1 , Figure 2 and Figure 3 The bimetallic terminal riveting device 31 rivets and fixes one end of the bimetallic strip 3 and the first terminal 4 to form a bimetallic terminal assembly 5, and delivers it to the spring assembly bending device 32, as shown in

[0112] The first rotating disc 33 is rotatably installed on the first machine frame 34, and has a plurality of first clamps 35 which are spaced apart along the circumference thereof.

[0113] The first terminal feeding mechanism 36 feeds the first terminal 4 to the first clamp 35, as shown in Figure 3 and Figure 4 Fig. 2, which comprises a first vibrating disc 40, a first vibrating track 41, a first cylinder assembly 42 and a first manipulator 43. The first vibrating disc 40 feeds the first terminal 4 to the first vibrating track 41. The first cylinder assembly 42 feeds the first terminal 4 at the end of the first vibrating track 41 to a position to be clamped. The first manipulator 43 clamps the first terminal 4 and feeds it to the first mounting slot of the first clamp 35, which is arranged vertically.

[0114] The terminal pressing mechanism 61 is arranged between the first terminal feeding mechanism 36 and the bimetallic strip feeding mechanism 37, as shown in Figure 6 Fig. 3, which comprises a sixth cylinder 62 and a first pressing rod 63 driven by the sixth cylinder 62. The first pressing rod 63 presses the first terminal 4 and the first clamp 35 into position.

[0115] The bimetallic strip feeding mechanism 37 feeds the bimetallic strip 3 to the first clamp 35, with one end of the bimetallic strip 3 abutting the first terminal 4, as shown in Figure 7 , Figure 8 and Figure 9 Fig. 4, which comprises a second vibrating disc 44, a second vibrating track 45, a second cylinder assembly 46, a third cylinder assembly 47 and a first suction assembly 48. The second vibrating disc 44 feeds the bimetallic strip 3 to the second vibrating track 45. As shown in Figure 8 and Figure 9 Fig. 5, the second cylinder assembly 46 comprises a first rotating plate 49 and a second cylinder 50 for driving the first rotating plate 49 to rotate. The first rotating plate 49 is shaped with a bimetallic strip feeding slot 51 arranged corresponding to the end of the second vibrating track 45. The first rotating plate 49 receives the bimetallic strip 3 fed by the second vibrating track 45 and feeds the bimetallic strip 3 on the second vibrating track 45 to a first feeding position. Then the third cylinder assembly 47 feeds the bimetallic strip 3 at the first feeding position to a position to be sucked. The first suction assembly 48 sucks the bimetallic strip 3 and feeds it to the second mounting slot of the first clamp 35, which is arranged horizontally.

[0116] The riveting mechanism 38 rivets and fixes one end of the bimetallic strip 3 and the first terminal 4. It is to be noted that the riveting mechanism 38 is a mature technology and its specific structure and working principle will not be described in detail.

[0117] The first feeding mechanism 39 feeds the riveted bimetallic terminal assembly 5 to the spring assembly bending device 32.Figure 10 As shown, it includes a second robotic arm 52, a third vibration track 53, a fourth cylinder assembly 54, and a fifth cylinder assembly 55. The second robotic arm 52 grips the bimetallic terminal assembly 5 on the first clamp 35 onto the third vibration track 53, as shown. Figure 10 and Figure 11 As shown, the fourth cylinder assembly 54 includes a fourth cylinder 56 and a fourth push plate 57 driven by the fourth cylinder 56. The fourth push plate 57 is formed with a transfer groove adapted to the bimetallic terminal assembly 5. The fourth push plate 57 moves forward under the drive of the fourth cylinder 56 to transfer the bimetallic terminal assembly 5 on the third vibration track 53 to the second transfer position. The fifth cylinder assembly 55 includes a fifth cylinder 58 and a fifth push rod 59 driven by the fifth cylinder 58. The fifth push rod 59 moves to the right under the drive of the fifth cylinder 58 to transfer the bimetallic terminal assembly 5 at the second transfer position into the second clamp 60 of the transfer to the spring assembly bending device 32. The moving direction of the fifth push rod 59 is perpendicular to the moving direction of the fourth push plate 57.

[0118] The spring-loaded bending device 32 inserts and fixes the other end of the bimetallic strip 3 to the spring 6, so that the spring 6, the bimetallic strip 3, and the first terminal 4 form a first terminal assembly 7. After bending the bimetallic strip 3 at a certain angle, the first terminal assembly 7 is assembled with the base 1. Figure 2 and Figure 12 As shown, the spring sheet assembly and bending device 32 includes a second turntable 64, and spring sheet assembly mechanism 65, double metal bending mechanism 66 and terminal screw base assembly device 67 sequentially distributed around the second turntable 64.

[0119] The second turntable 64 is rotatably mounted on the first frame 34, such as Figure 13 As shown, it has a plurality of second clamps 60 distributed at intervals along its circumference, and a slider push rod assembly 122 disposed corresponding to the second clamps 60.

[0120] The spring assembly mechanism 65 inserts and fixes the spring 6 to the other end of the bimetallic strip 3, such as... Figure 12 As shown, it includes a spring feeding mechanism 68 and a double metal pre-compression mechanism 69.

[0121] Spring feeding mechanism 68, such as Figure 2 and Figure 15 As shown, it includes a spring strip reel 71, a first strip conveying assembly 75, a first slicing mechanism 82, and a second transfer mechanism 87. The spring strip reel 71 is adapted to store and convey spring strips 72 outwards, such as... Figure 18As shown, the elastic sheet strip 72 comprises a first connecting sheet 73, and a plurality of elastic sheets 6 distributed along the length of the first connecting sheet 73, and a first perforation 74 corresponding to the plurality of elastic sheets 6 is formed on the first connecting sheet 73; as Figure 15 and Figure 16 As shown, the first strip conveying assembly 75 comprises an eighth cylinder assembly 76 and a first strip driving claw 77, the eighth cylinder assembly 76 comprises an eighth cylinder 78 and an eighth push plate 79 driven by the eighth cylinder 78, as Figure 17 and Figure 18 As shown, the first strip driving claw 77 is rotatably installed on the eighth push plate 79 by a first spring 80, and is provided with a first claw-shaped part 81 matched with the first connecting sheet 73, and the first strip driving claw 77 has a vertical driving surface and an inclined surface respectively arranged on two sides thereof, wherein, as Figure 17 and Figure 18 As shown, when the eighth push plate 79 moves to the right side, the first claw-shaped part 81 of the first strip driving claw 77 extends into the first perforation 74 of the first connecting sheet 73 under the elastic force of the first spring 80, the vertical driving surface abuts against the inner wall of the first perforation 74, and the elastic sheet strip 72 is driven to move synchronously; when the eighth push plate 79 moves to the left side, the inclined surface of the first strip driving claw 77 is in sliding contact with the first connecting sheet 73, and moves relative to the elastic sheet strip 72.

[0122] As shown, Figure 14 and Figure 15 The first slicing mechanism 82 comprises a ninth cylinder assembly 83, a first lever 84, a first pressing block 85 and a first cutter 86, one end of the first lever 84 is provided with the first pressing block 85, the other end is driven by the ninth cylinder assembly 83, the first cutter 86 is movably installed on the first rack 34 by a second spring, and cuts off the first connecting sheet 73 under the driving of the first pressing block 85; as Figure 15 and Figure 16 As shown, the second strip conveying assembly 87 comprises a tenth cylinder assembly 88, an eleventh cylinder assembly 89, a twelfth cylinder assembly 90 and a thirteenth cylinder assembly 91, as Figure 18 As shown, the tenth cylinder assembly 88 comprises a tenth cylinder 92 and a tenth push rod 93, the eleventh cylinder assembly 89 comprises an eleventh rotary cylinder (not shown in the figure) and a second rotating plate 95 driven by the eleventh rotary cylinder, the thirteenth cylinder assembly 91 comprises a thirteenth cylinder 98 and a thirteenth push rod 99, as Figure 19As shown, the tenth push rod 93 first moves the sliced ​​spring piece 6 horizontally to the right to the third transfer position. Then, the twelfth push rod 97 of the twelfth cylinder assembly 90, driven by the twelfth cylinder 96, moves the spring piece 6 into the transfer groove of the second rotating plate 95. The second rotating plate 95 moves the spring piece 6 to the fourth transfer position. The thirteenth push rod 99 moves the spring piece 6 at the fourth transfer position into the second clamp 60. The moving directions of the thirteenth push rod 99 and the twelfth push rod 97 are both perpendicular to the moving direction of the tenth push rod 93.

[0123] The double-metal pre-compression mechanism 69 is positioned above the second clamp 60, as follows: Figure 13 As shown, it includes a seventh cylinder (not shown in the figure) and a seventh push rod 70 driven by the seventh cylinder. The seventh push rod 70 is positioned opposite the end of the bimetallic strip 3 away from its riveting point. It has an initial position and a pre-compression position. Before the spring 6 is inserted into the second clamp 60, the seventh push rod 70 is in the pre-compression position. The seventh push rod 70 drives the insert portion 9 of the bimetallic strip 3 away from the riveting point to deform downwards. After the spring 6 is inserted into the second clamp 60, the seventh push rod 70 moves to the initial position, the bimetallic strip 3 returns to its original deformation, and the insert portion 9 slides upwards along the surface of the spring 6 and automatically inserts into the insertion hole 10 of the spring 6 (e.g., ...). Figure 14 (As shown).

[0124] The bimetallic bending mechanism 66 bends the bimetallic sheet 3 at a certain angle, such as... Figure 20 and 21 As shown, the second clamp 60 has a first stop 100 located above the bimetallic sheet 3. The bimetallic bending mechanism 66 includes: a fourteenth cylinder assembly 101, including a fourteenth cylinder 103 mounted on the first bracket 102, and a fourteenth push rod 104 driven by the fourteenth cylinder 103. The fourteenth push rod 104 is inserted into the second clamp 60 in a horizontal direction and moves to below the bimetallic sheet 3; and a fifteenth cylinder assembly 105, including a fifteenth cylinder 106 and a fifteenth push rod 107. The fifteenth push rod 107 is connected to the first bracket 102 and is used to drive the first bracket 102 to move up and down.

[0125] The terminal screw base assembly device 67 assembles the adjusting screw 8 with the base 1, and then assembles it with the assembled first terminal assembly 7. For example... Figure 24As shown, the terminal screw base assembly device 67 includes a base feeding mechanism 108, a screw driving mechanism 109, a screw height detection mechanism 132, a defective product discharge mechanism 133, a flipping mechanism 110, a terminal base assembly mechanism 111, and a third material transfer mechanism 112 that drives the base 1 to switch between the various mechanisms.

[0126] Base feeding mechanism 108, such as Figure 24 As shown, it includes a third vibratory plate 113, an eleventh vibratory track 114 and a sixteenth cylinder assembly 115. The third vibratory plate 113 moves the base 1 towards the eleventh vibratory track 114, and the sixteenth cylinder assembly 115 moves the base 1 at the end of the eleventh vibratory track 114 to the next work station.

[0127] The screw-driving mechanism 109 assembles the adjusting screw 8 with the base 1. It should be noted that the screw-driving mechanism is a mature existing technology, so its specific structure and working principle will not be described in detail.

[0128] Screw height detection mechanism 132, such as Figure 25 As shown, the device includes a nineteenth cylinder assembly 134, a probe rod assembly 135, and a sensor 136. The nineteenth cylinder assembly 134 includes a nineteenth cylinder 137 and a nineteenth push rod 138. The probe rod assembly 135 includes a probe block 139 fixed to the nineteenth push rod 138, and a probe rod 140 that is movable up and down on the probe block 139 by means of a spring. The bottom of the probe rod 140 can abut against the adjusting screw 8. The sensor 136 is disposed above the probe rod 140 and is used to detect the distance between the sensor and the top of the probe rod 140. It should be noted that the probe rod and the sensor 136 are existing mature technologies, so their specific structure and working principle will not be described in detail.

[0129] The non-conforming product discharge mechanism 133, such as Figure 25 As shown, it includes a twentieth cylinder assembly 141 and an L-shaped lifting block 142. The L-shaped lifting block 142 has a conveying position flush with the second slide rail 123 and an upward-lifted waste discharge position.

[0130] Tilting mechanism 110, such as Figure 25 As shown, it includes a sixteenth rotary cylinder 143 and a flipping component 144 driven by the sixteenth rotary cylinder 143. The flipping component 144 flips the base 1 by 180°, thereby facilitating the assembly of subsequent components such as the button spring 13 and the button 14.

[0131] Terminal base assembly mechanism 111 assembles the first terminal assembly 7 with the base 1, such as... Figure 22 and Figure 23As shown, it comprises a slider push rod assembly 122 arranged on the second turntable 64 and corresponding to the second clamp 60, the slider push rod assembly 122 comprises a second slide rail 123 arranged along the radial direction of the second turntable 64, a slider 124 slidingly installed on the second slide rail 123, and a terminal push rod 125 driving the first terminal assembly 7 to be loaded into the base 1, the top of the slider 124 is provided with a first protruding column 126 and a second protruding column 127 arranged oppositely; an eighteenth cylinder assembly 128 comprising an eighteenth cylinder 129 and an eighteenth push plate 130, the eighteenth push plate 130 is provided with a driving block 131 inserted between the first protruding column 126 and the second protruding column 127, the driving block 131 cooperates with the first protruding column 126 and the second protruding column 127 for driving the slider 124 to move.

[0132] The third material moving mechanism 112 switches the base 1 between each mechanism, such as Figure 24 As shown, it comprises a first slide rail 116, a plurality of first clamping plates 117, a first supporting plate 118, a seventeenth cylinder assembly 119, a second supporting plate 120 and an eightieth cylinder assembly 121, the first slide rail 116 is used for the base 1 to slide thereon, a plurality of the first clamping plates 117 are distributed along the length direction of the first supporting plate 118, and the first clamping plates 117 are shaped with clamping grooves adapted to the base 1, the seventeenth cylinder assembly 119 is arranged on the second supporting plate 120 and used for driving the first supporting plate 118 to move along the left-right direction of the first rack 34, and the eightieth cylinder assembly 121 is used for driving the second supporting plate 120 to move along the front-back direction of the first rack 34.

[0133] The terminal assembly device 200 assembles two second terminals 12 with the base 1, such as Figure 26 and Figure 27 As shown, it comprises two fourth vibratory feeders 202, two twenty-first cylinder assemblies 204, a twenty-second cylinder assembly 208 and a fourth material moving mechanism 211. The two fourth vibratory feeders 202 move the second terminals 12 towards corresponding fourth vibration tracks 203, and the two fourth vibration tracks 203 are arranged in parallel; as shown, Figure 29 The two twenty-first cylinder assemblies 204 each comprise a twenty-first cylinder 205 and a twenty-first push rod 206, the twenty-first push rod 206 is shaped with a terminal material moving groove 207 adapted to the second terminal 12, and is used for moving the second terminal 12 to a position to be assembled; as shown, Figure 28 and Figure 29As shown, the twenty-second cylinder assembly 208 is arranged between the two fourth vibration tracks 203, which comprises a twenty-second cylinder 209 and two twenty-second push rods 210 driven by the twenty-second cylinder 209, and the two twenty-second push rods 210 move the two second terminals 12 into the base 1; the fourth material moving mechanism 211 switches the base 1 between each station, which comprises a second clamping plate 268, a thirty-sixth cylinder assembly 269, a thirty-seventh cylinder assembly 270, and a fifth slide rail 271, the second clamping plate 268 is shaped with clamping grooves matched with the base 1, the thirty-sixth cylinder assembly 269 is used to drive the second clamping plate 268 to move left and right, the thirty-seventh cylinder assembly 270 is used to drive the second clamping plate 268 to move forward and backward, and the fifth slide rail 271 is used for the base 1 to slide thereon.

[0134] The spring lamp button assembly device 201 assembles the two conductive springs 15, the button spring 13, the lamp assembly 11, the button 14, and the base 1. As shown in Figure 30 The spring lamp button assembly device 201 comprises a third turntable 213, a third mechanical hand 215, a conductive spring assembly mechanism 216, a button spring assembly mechanism 217, a circuit board feeding mechanism 218, a lampshade feeding mechanism 219, a fourth material suction mechanical hand 220, a button assembly mechanism 221, and a fifth mechanical hand 222 distributed in sequence on the periphery of the third turntable 213.

[0135] The third turntable 213 is rotatably installed on the second rack 212 and has a plurality of third clamps 214 distributed in sequence along the circumference thereof.

[0136] The third mechanical hand 215 moves the base 1 assembled by the terminal assembly device 200 to the third clamp 214.

[0137] The conductive spring assembly mechanism 216 installs the two conductive springs 15 on the base 1, as shown in Figure 31 which comprises a fifth vibration disc 223 that sends the two conductive springs 15 outward through two first connecting pipes 224; as Figure 32As shown, the second support 225 is provided with a twenty-third cylinder assembly 226 and a third slide rail 227, the twenty-third cylinder assembly 226 comprising a twenty-third cylinder 228 and a twenty-third push rod 229, the twenty-third push rod 229 being slidingly installed on the third slide rail 227 and being formed with two first accommodating holes 231 for accommodating the conductive springs 15, the third slide rail 227 being formed with a first material guiding hole 232, the twenty-third push rod 229 having a material dropping position and a material moving position, wherein, in the material dropping position, the first accommodating holes 231 are correspondingly arranged with the bottom outlet holes of the first connecting pipe 224, and in the material moving position, the first accommodating holes 231 are correspondingly arranged with the first material guiding hole 232. Figure 33 As shown, the third support 233 is provided with a second material guiding block 234, a twenty-fourth cylinder assembly 235, a third material guiding block 236 and a twenty-fifth cylinder assembly 237, the second material guiding block 234 being connected with the first material guiding hole 232 through a second connecting pipe and being formed with a second material guiding hole 238, the twenty-fourth cylinder assembly 235 comprising a twenty-fourth cylinder 239 and a twenty-fourth push rod 240, the twenty-fourth push rod 240 being formed with a second accommodating hole 242, as shown. Figure 34 As shown, the third material guiding block 236 is located above the third clamp 214 and is formed with a third material guiding hole 243 correspondingly arranged with the base 1, the twenty-fourth push rod 240 having a material dropping position and a material moving position, wherein, in the material dropping position, the second accommodating hole 242 is correspondingly arranged with the second material guiding hole 238, and in the material moving position, the second accommodating hole 242 is correspondingly arranged with the third material guiding hole 243, the twenty-fifth cylinder assembly 237 comprising a twenty-fifth cylinder 244 and a twenty-fifth push rod 245, the twenty-fifth push rod 245 being arranged above the third material guiding block 236 and being used for pressing the conductive springs 15 in the third material guiding hole 243 into the base 1.

[0138] The button spring assembling mechanism 217 is used for installing the button spring 13 on the base 1. As shown, Figure 35As shown, the button spring assembly mechanism 217 includes: a sixth vibratory plate 246, which conveys the button spring 13 outward through a third connecting pipe 247; a fourth bracket 241, which is equipped with a twenty-sixth cylinder assembly 248, a fourth slide rail 249, and a twenty-seventh cylinder assembly 250. The twenty-sixth cylinder assembly 248 includes a twenty-sixth cylinder 251 and a twenty-sixth push rod 252. The twenty-sixth push rod 252 is slidably mounted on the fourth slide rail 249, which has a third receiving hole 253 for accommodating the button spring 13. The molding has a fourth guide hole (not shown in the figure). The 26th push rod 252 has a dropping position and a moving position. In the dropping position, the third receiving hole 253 is corresponding to the bottom outlet of the third connecting pipe 247. In the moving position, the third receiving hole 253 is corresponding to the fourth guide hole. The 27th cylinder assembly 250 includes a 27th cylinder 254 and a 27th push rod 255. The 27th push rod 255 presses the button spring 13 in the fourth guide hole into the base 1.

[0139] The circuit board feeding mechanism 218 and the lampshade feeding mechanism 219 respectively place the circuit board 16 and the lampshade 17 on the third clamp 214, and the circuit board 16 and the lampshade 17 form a lamp assembly 11. Figure 36 As shown, the circuit board feeding mechanism 218 includes a seventh vibratory feeder 256, a seventh vibratory track 257, and a sixth suction robot 258. The seventh vibratory feeder 256 moves the circuit board 16 towards the seventh vibratory track 257, and the sixth suction robot 258 picks up the circuit board 16 and places it on the third clamp 214; Figure 37 As shown, the lampshade feeding mechanism 219 includes an eighth vibratory feeder 259, an eighth vibratory track 260, and a seventh suction robot 261. The eighth vibratory feeder 259 moves the lampshade 17 towards the eighth vibratory track 260, as shown. Figure 38 As shown, the seventh suction robot 261 picks up the lampshade 17 and places it on the circuit board 16 of the third clamp 214. The fourth suction robot 220 picks up the lamp assembly 11 and installs it on the base 1, with the lampshade 17 assembled to the base 1 via hooks. It should be noted that each robot is a mature existing technology, therefore its specific structure and working principle will not be described in detail.

[0140] The button assembly mechanism 221 assembles the button 14 with the base 1. Figure 39As shown, the button assembling mechanism 221 comprises a ninth vibration disc 262, a ninth vibration track 263, a twenty-eighth cylinder assembly 264 and an eighth mechanical arm 265, the ninth vibration disc 262 transfers the button 14 to the ninth vibration track 263, the twenty-eighth cylinder assembly 264 comprises a twenty-eighth rotating cylinder 266 and a third rotating plate 267, the third rotating plate 267 transfers the button 14 on the ninth vibration track 263 to a clamping position, the eighth mechanical arm 265 assembles the button 14 with the base 1.

[0141] The pull-tab assembling device 300, as shown in Figure 40 and Figure 41 the accompanying drawings, comprises a pull-tab tape disc 301, a second tape conveying assembly 302, a second cutting mechanism 303 and a fifth material moving mechanism 304.

[0142] The pull-tab tape disc 301 is adapted to store and convey outwardly a pull-tab tape 305, as shown in Figure 46 the accompanying drawings, the pull-tab tape 305 comprises a second connecting sheet 306 and a plurality of pull-tabs 20 distributed along the length direction of the second connecting sheet 306, the second connecting sheet 306 is formed with a plurality of second perforations 308 corresponding to the plurality of pull-tabs 20.

[0143] The second tape conveying assembly 302 transfers the pull-tab tape 305 to a cutting position, as shown in Figure 41 and Figure 45 the accompanying drawings, the second tape conveying assembly 302 comprises a twenty-ninth cylinder assembly 309 and a second tape driving claw 310, the twenty-ninth cylinder assembly 309 comprises a twenty-ninth cylinder 311 and a twenty-ninth push plate 312 driven by the twenty-ninth cylinder 311, the second tape driving claw 310 is rotatably installed on the twenty-ninth push plate 312 by a third spring 313, and is provided with a second claw-shaped portion 314 matched with the second connecting sheet 306, the second claw-shaped portion 314 has a vertical driving surface and an inclined surface respectively arranged on two sides thereof, wherein, when the second tape driving claw 310 moves along with the twenty-ninth push plate 312 in one direction, the second claw-shaped portion 314 of the second tape driving claw 310 extends into the second perforation 308 of the second connecting sheet 306 under the elastic force of the third spring 313, the vertical driving surface abuts against the inner wall of the second perforation 308 to drive the pull-tab tape 305 to move synchronously; when the second tape driving claw 310 moves along with the twenty-ninth push plate 312 in the opposite direction, the inclined surface of the second tape driving claw 310 is in sliding contact with the second connecting sheet 306 to move relative to the pull-tab tape 305.

[0144] The second slicing mechanism 303 cuts the connecting part between the pulling sheet 20 and the second connecting sheet 306, as shown in Figure 41 and Figure 42 The second slicing mechanism 303 includes a thirtieth cylinder assembly 315, a second lever 316, a second pressing block 317 and a second cutter 318. One end of the second lever 316 is provided with the second pressing block 317, and the other end is driven by the thirtieth cylinder assembly 315. The second cutter 318 is movably installed on a fifth support by a fourth spring, and cuts the second connecting sheet 306 under the drive of the second pressing block 317.

[0145] The fifth material moving mechanism 304 moves and assembles the pulling sheet 20 into the base 1, as shown in Figure 41 , Figure 42 , Figure 43 and Figure 44 The fifth material moving mechanism 304 includes a pulling sheet positioning mechanism 319, a second stop block 320, a third pressing block 321 and a fifth spring (not shown in the figure). The third pressing block 321 is oppositely arranged with the second stop block 320. The third pressing block 321 presses the pulling sheet 20 tightly on the second stop block 320 under the elastic force of the fifth spring. As shown in Figure 4 a thirtieth cylinder assembly 322 is arranged below the pulling sheet 20, which includes a thirtieth cylinder 323 and a thirtieth push rod 324. The thirtieth push rod 324 pushes the pulling sheet 20 after slicing into a material moving rod 325. The material moving rod 325 and a thirty-second cylinder assembly 326 are arranged on a sixth support 327 and above the pulling sheet 20. The material moving rod 325 is shaped with a clamping hole for clamping the pulling sheet 20. The thirty-second cylinder assembly 326 includes a thirty-second cylinder 348 and a thirty-second push rod 328. As shown in Figure 5 the thirty-second push rod 328 extends into the clamping hole of the material moving rod 325, and presses the pulling sheet 20 into the base 1. A material moving cylinder assembly 329 is connected with the sixth support 327, and moves the pulling sheet 20 from the slicing position to the assembling position.

[0146] The cover plate assembling device 307 includes a cover plate feeding mechanism 331, a cover plate pressing mechanism 332 and a sixth material moving mechanism 333, as shown in Figure 47

[0147] The cover plate feeding mechanism 331 moves the cover plate 2 to the base 1, as shown in Figure 40 and Figure 47 ​As shown, it comprises a tenth vibrating disc 334, a tenth vibrating track 335 and a ninth manipulator 336, the tenth vibrating disc 334 conveying the cover plate 2 to the tenth vibrating track 335, and the ninth manipulator 336 clamping and transferring the cover plate 2 from the tenth vibrating track 335 to the base 1.

[0148] It should be noted that the material moving cylinder assembly 329 and the ninth manipulator 336 are mature technologies, and thus the specific structure and working principle thereof will not be described in detail.

[0149] The cover plate pressing mechanism 332 presses the cover plate 2 and the base 1, which comprises a thirty-third cylinder 337 and a thirty-third push rod 338, and the thirty-third push rod 338 tightly connects the cover plate 2 and the base 1.

[0150] The sixth material moving mechanism 333 switches the base 1 between various stations, such as Figure 48 As shown, it comprises a sixth sliding rail 339, a plurality of third clamping plates 340, a third supporting plate 341, a thirty-fourth cylinder assembly 342, a fourth supporting plate 343 and a thirty-fifth cylinder assembly 345, the sixth sliding rail 339 is used for the base 1 to slide thereon, the third clamping plates 340 are distributed along the length direction of the third supporting plate 341, and the third clamping plates 340 are shaped with clamping grooves matched with the base 1, the thirty-fourth cylinder assembly 342 is arranged on the fourth supporting plate 343 and used for driving the third supporting plate 341 to move along the left-right direction of a third rack 347, and the thirty-fifth cylinder assembly 345 is used for driving the fourth supporting plate 343 to move along the front-back direction of the third rack 347.

[0151] The application further provides an assembling process of the ship-shaped overload protection switch, which comprises the following steps:

[0152] S1, riveting and fixing one end of the bimetallic strip 3 with the first terminal 4;

[0153] S2, inserting and fixing the other end of the bimetallic strip 3 with the spring 6, so that the spring 6, the bimetallic strip 3 and the first terminal 4 form a first terminal assembly 7;

[0154] S3, bending the bimetallic strip 3 by a certain angle, and assembling the first terminal assembly 7 with the base 1;

[0155] S4, assembling two second terminals 12 with the base 1;

[0156] S5, assembling two conductive springs 15 and one button spring 13 with the base 1;

[0157] S6, sequentially assembling a lamp assembly 11 and a button 14 with the base 1;

[0158] S7, the pull tab 20 and the cover plate 2 are assembled with the base 1 in sequence.

[0159] Wherein, the adjusting screw 8 is assembled with the base 1 before the first terminal assembly 7 is assembled with the base 1.

[0160] The automatic assembly line integrates the double gold riveting, the spring sheet bending assembly, the terminal assembly, the spring lamp button assembly, the pull tab assembly and the cover plate assembly according to a reasonable process sequence, and the cover plate is used as a carrier and sequentially flows through each station to automatically complete the assembly of all components, thereby greatly improving the production efficiency and reducing the production cost compared with the prior art.

[0161] Obviously, the above embodiments are only examples for clearly illustrating the present application, and are not intended to limit the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not required to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. An automated assembly line for a ship-shaped overload protection switch, characterized in that, It includes a double metal terminal riveting device (31), a spring sheet assembly bending device (32), a terminal assembly device (200), a spring light button assembly device (201), a lifting piece assembly device (300), and a cover plate assembly device (307) arranged in sequence. The bimetallic terminal riveting device (31) rivets one end of the bimetallic strip (3) to the first terminal (4) to form a bimetallic terminal assembly (5). The spring assembly bending device (32) inserts and fixes the other end of the bimetallic strip (3) to the spring (6), so that the spring (6), the bimetallic strip (3) and the first terminal (4) form the first terminal assembly (7), and after bending the bimetallic strip (3) at a certain angle, the first terminal assembly (7) is assembled with the base (1); Terminal assembly device (200) assembles two second terminals (12) with base (1); The spring-loaded light button assembly device (201) assembles two conductive springs (15), a button spring (13), a light assembly (11), a button (14), and a base (1); The lifting piece assembly device (300) assembles the lifting piece (20) with the base (1); The cover plate assembly device (307) assembles the cover plate (2) with the base (1).

2. The automated assembly line for the ship-type overload protection switch according to claim 1, characterized in that, The double metal terminal riveting device (31) includes: The first turntable (33) is rotatably mounted on the first frame (34) and has a plurality of first clamps (35) distributed at intervals along its circumference. The first terminal feeding mechanism (36), the terminal clamping mechanism (61), the bimetallic strip feeding mechanism (37), the riveting mechanism (38), and the first material transfer mechanism (39) are sequentially distributed around the first turntable (33). The first terminal feeding mechanism (36) transfers the first terminal (4) to the first clamp (35). The terminal clamping mechanism (61) clamps the first terminal (4). The bimetallic strip feeding mechanism (37) transfers the bimetallic strip (3) to the first clamp (35), and one end of the bimetallic strip (3) abuts against the first terminal (4). The riveting mechanism (38) rivets one end of the bimetallic strip (3) to the first terminal (4). The first material transfer mechanism (39) transfers the riveted bimetallic terminal assembly (5) to the spring sheet assembly bending device (32). The first terminal feeding mechanism (36) includes a first vibratory plate (40), a first vibratory track (41), a first cylinder assembly (42), and a first manipulator (43). The first vibratory plate (40) moves the first terminal (4) toward the first vibratory track (41). The first cylinder assembly (42) moves the first terminal (4) at the end of the first vibratory track (41) to the clamping position. The first manipulator (43) clamps the first terminal (4) and moves it into the first mounting slot of the first fixture (35). The terminal clamping mechanism (61) includes a sixth cylinder (62) and a first pressure rod (63) driven by the sixth cylinder (62), the first pressure rod (63) clamping the first terminal (4) to the first clamp (35) in place; The bimetallic sheet feeding mechanism (37) includes a second vibratory plate (44), a second vibratory track (45), a second cylinder assembly (46), a third cylinder assembly (47), and a first suction assembly (48). The second vibratory plate (44) moves the bimetallic sheet (3) toward the second vibratory track (45). The second cylinder assembly (46) includes a first rotating plate (49) and a second cylinder (50) for driving the first rotating plate (49) to rotate. The first rotating plate (49) is formed with a bimetallic transfer groove (51) corresponding to the end of the second vibratory track (45). The first rotating plate (49) moves the bimetallic sheet (3) on the second vibratory track (45) to a first transfer position. The third cylinder assembly (47) moves the bimetallic sheet (3) at the first transfer position to a position to be sucked up. The first suction assembly (48) sucks up the bimetallic sheet (3) and moves it into the second mounting groove of the first clamp (35). The first transfer mechanism (39) includes a second manipulator (52), a third vibration track (53), a fourth cylinder assembly (54), and a fifth cylinder assembly (55). The second manipulator (52) clamps the bimetallic terminal assembly (5) on the first clamp (35) onto the third vibration track (53). The fourth cylinder assembly (54) includes a fourth cylinder (56) and a fourth push plate (57) driven by the fourth cylinder (56). The fourth push plate (57) is formed with a transfer groove adapted to the bimetallic terminal assembly (5). The fourth push plate (57) moves the bimetallic terminal assembly (5) on the third vibration track (53) to the second transfer position. The fifth cylinder assembly (55) includes a fifth cylinder (58) and a fifth push rod (59) driven by the fifth cylinder (58). The fifth push rod (59) moves the bimetallic terminal assembly (5) at the second transfer position into the second clamp (60) of the transfer to the spring sheet assembly bending device (32). The moving direction of the fifth push rod (59) is perpendicular to the moving direction of the fourth push plate (57).

3. The automated assembly line for the ship-type overload protection switch according to claim 1, characterized in that, The spring assembly and bending device (32) includes a second turntable (64), and spring assembly mechanism (65), bimetallic bending mechanism (66) and terminal screw base assembly device (67) sequentially distributed around the second turntable (64). The second turntable (64) is rotatably mounted on the first frame (34) and has a plurality of second clamps (60) spaced along its circumference. The spring assembly mechanism (65) inserts and fixes the spring (6) to the other end of the bimetallic strip (3) so that the spring (6), bimetallic strip (3) and first terminal (4) form a first terminal assembly (7). The bimetallic bending mechanism (66) bends the bimetallic strip (3) at a certain angle. The terminal screw base assembly device (67) assembles the adjusting screw (8) with the base (1) and then assembles it with the assembled first terminal assembly (7).

4. The automated assembly line for the ship-type overload protection switch according to claim 3, characterized in that, The spring assembly mechanism (65) includes: The spring feeding mechanism (68) transfers the spring (6) into the second clamp (60); A bimetallic pre-compression mechanism (69) is disposed above the second clamp (60). It includes a seventh cylinder and a seventh push rod (70) driven by the seventh cylinder. The seventh push rod (70) is disposed opposite to the end of the bimetallic sheet (3) away from its riveting point. It has an initial position and a pre-compression position. Before the spring piece (6) is installed into the second clamp (60), the seventh push rod (70) is in the pre-compression position. The seventh push rod (70) drives the insert part (9) of the bimetallic sheet (3) away from the riveting point to deform downward. After the spring piece (6) is installed into the second clamp (60), the seventh push rod (70) moves to the initial position, the bimetallic sheet (3) recovers its deformation, and the insert part (9) is inserted into the insertion hole (10) of the spring piece (6).

5. The automated assembly line for the ship-type overload protection switch according to claim 4, characterized in that, The spring feeding mechanism (68) includes: The spring strip reel (71) is suitable for storing and conveying spring strips (72) to the outside. The spring strip (72) includes a first connecting piece (73) and a plurality of spring pieces (6) spaced apart along the length direction of the first connecting piece (73). The first connecting piece (73) has a first perforation (74) corresponding to the plurality of spring pieces (6). The first material conveying assembly (75) includes an eighth cylinder assembly (76) and a first material conveying drive claw (77). The eighth cylinder assembly (76) includes an eighth cylinder (78) and an eighth push plate (79) driven by the eighth cylinder (78). The first material conveying drive claw (77) is rotatably mounted on the eighth push plate (79) by a first spring (80), and has a first claw-shaped portion (81) that cooperates with the first connecting piece (73). 7) When the first material strip drive claw (77) moves in one direction following the eighth push plate (79), under the elastic force of the first spring (80), its first claw-shaped part (81) extends into the first through hole (74) of the first connecting piece (73), driving the spring strip material strip (72) to move synchronously; when the first material strip drive claw (77) moves in the opposite direction following the eighth push plate (79), the first material strip drive claw (77) moves relative to the spring strip material strip (72); The first slicing mechanism (82) includes a ninth cylinder assembly (83), a first lever (84), a first pressure block (85), and a first cutter (86). One end of the first lever (84) is provided with the first pressure block (85), and the other end is driven by the ninth cylinder assembly (83). The first cutter (86) is mounted on the first frame (34) by means of a second spring and cuts the first connecting piece (73) under the drive of the first pressure block (85). The second transfer mechanism (87) includes a tenth cylinder assembly (88), an eleventh cylinder assembly (89), a twelfth cylinder assembly (90), and a thirteenth cylinder assembly (91). The tenth cylinder assembly (88) includes a tenth cylinder (92) and a tenth push rod (93). The tenth push rod (93) transfers the sliced ​​spring sheet (6) to the third transfer position. The eleventh cylinder assembly (89) includes an eleventh rotary cylinder and a second rotating plate (95) driven by the eleventh rotary cylinder. The twelfth push rod (97) of the twelfth cylinder assembly (90) is in the twelfth position. Driven by the cylinder (96), the spring piece (6) is moved into the transfer groove of the second rotating plate (95). The second rotating plate (95) moves the spring piece (6) to the fourth transfer position. The thirteenth cylinder assembly (91) includes a thirteenth cylinder (98) and a thirteenth push rod (99). The thirteenth push rod (99) moves the spring piece (6) at the fourth transfer position into the second clamp (60). The moving directions of the thirteenth push rod (99) and the twelfth push rod (97) are both perpendicular to the moving direction of the tenth push rod (93).

6. The automated assembly line for the ship-type overload protection switch according to claim 3, characterized in that, The second clamp (60) has a first stop (100) located above the bimetallic strip (3), and the bimetallic bending mechanism (66) includes: The fourteenth cylinder assembly (101) includes a fourteenth cylinder (103) mounted on a first bracket (102) and a fourteenth push rod (104) driven by the fourteenth cylinder (103), the fourteenth push rod (104) being inserted horizontally into the second clamp (60) and moved below the bimetallic strip (3); The fifteenth cylinder assembly (105) includes a fifteenth cylinder (106) and a fifteenth push rod (107), the fifteenth push rod (107) being connected to the first bracket (102) and used to drive the first bracket (102) to move up and down.

7. The automated assembly line for the ship-type overload protection switch according to claim 3, characterized in that, The terminal screw base assembly device (67) includes a base feeding mechanism (108), a screw driving mechanism (109), a flipping mechanism (110), a terminal base assembly mechanism (111) arranged in sequence, and a third material transfer mechanism (112) that drives the base (1) to switch between the various mechanisms. The base feeding mechanism (108) includes a third vibratory plate (113), an eleventh vibratory track (114), and a sixteenth cylinder assembly (115). The third vibratory plate (113) moves the base (1) toward the eleventh vibratory track (114), and the sixteenth cylinder assembly (115) moves the base (1) at the end of the eleventh vibratory track (114) to the next station. The screw-driving mechanism (109) assembles the adjusting screw (8) with the base (1); The flipping mechanism (110) includes a sixteenth rotary cylinder (143) and a flipping member (144) driven by the sixteenth rotary cylinder (143), the flipping member (144) flipping the base (1) 180°; Terminal base assembly mechanism (111) assembles the first terminal assembly (7) with the base (1); The third material transfer mechanism (112) switches the base (1) between various mechanisms. It includes a first slide rail (116), multiple first clamping plates (117), a first support plate (118), a seventeenth cylinder assembly (119), a second support plate (120), and an eightieth cylinder assembly (121). The first slide rail (116) allows the base (1) to slide on it. Multiple first clamping plates (117) are distributed at intervals along the length direction of the first support plate (118), and the first clamping plates (117) are formed with clamping grooves adapted to the base (1). The seventeenth cylinder assembly (119) is disposed on the second support plate (120) and is used to drive the first support plate (118) to move in the left-right direction along the first frame (34). The eightieth cylinder assembly (121) is used to drive the second support plate (120) to move in the front-back direction along the first frame (34).

8. The automated assembly line for the ship-type overload protection switch according to claim 7, characterized in that, The terminal base assembly mechanism (111) includes: A slider push rod assembly (122) is disposed on the second turntable (64) and is correspondingly disposed with the second clamp (60). The slider push rod assembly (122) includes a second slide rail (123), a slider (124) and a terminal push rod (125). The second slide rail (123) is arranged radially along the second turntable (64). The slider (124) is slidably mounted on the second slide rail (123) and the first terminal assembly (7) is driven to be installed into the base (1) by the terminal push rod (125). The top of the slider (124) is provided with a first protrusion (126) and a second protrusion (127) arranged opposite to each other. The eighteenth cylinder assembly (128) includes an eighteenth cylinder (129) and an eighteenth push plate (130). The eighteenth push plate (130) is provided with a drive block (131) inserted between the first protrusion (126) and the second protrusion (127). The drive block (131) cooperates with the first protrusion (126) and the second protrusion (127) to drive the slider (124) to move.

9. The automated assembly line for the ship-type overload protection switch according to claim 7 or 8, characterized in that, The terminal screw base assembly device (67) further includes a screw height detection mechanism (132) and a defective product discharge mechanism (133) disposed between the screw driving mechanism (109) and the flipping mechanism (110). The screw height detection mechanism (132) includes a nineteenth cylinder assembly (134), a probe rod assembly (135), and a sensor (136). The nineteenth cylinder assembly (134) includes a nineteenth cylinder (137) and a nineteenth push rod (138). The probe rod assembly (135) includes a probe block (139) fixed to the nineteenth push rod (138) and a probe rod (140) movable up and down on the probe block (139). The bottom of the probe rod (140) can abut against the adjusting screw (8). The sensor (136) is located above the probe rod (140) and is used to detect the distance between the sensor and the top of the probe rod (140). The non-conforming product discharge mechanism (133) includes a twentieth cylinder assembly (141) and an L-shaped lifting block (142), the L-shaped lifting block (142) having a conveying position flush with the first slide rail (116) and an upward-lifting waste discharge position.

10. The automated assembly line for the ship-type overload protection switch according to claim 1, characterized in that, The terminal assembly device (200) includes: Two fourth vibrating discs (202) move towards the corresponding fourth vibrating track (203) to deliver the second terminal (12), and the two fourth vibrating tracks (203) are arranged in parallel; Two 21st cylinder assemblies (204) each include a 21st cylinder (205) and a 21st push rod (206). The 21st push rod (206) is formed with a terminal transfer groove (207) adapted to the second terminal (12) for transferring the second terminal (12) to the assembly position. The 22nd cylinder assembly (208) includes a 22nd cylinder (209) and two 22nd push rods (210) driven by the 22nd cylinder (209), the two 22nd push rods (210) moving the two 2nd terminals (12) into the base (1); The fourth material transfer mechanism (211) switches the base (1) between various workstations.

11. The automated assembly line for the ship-type overload protection switch according to claim 1, characterized in that, The spring-loaded light button assembly device (201) includes: The third turntable (213) is rotatably mounted on the second frame (212) and has a plurality of third clamps (214) spaced apart along its circumference. The third robotic arm (215), the conductive spring assembly mechanism (216), the button spring assembly mechanism (217), the circuit board feeding mechanism (218), the lampshade feeding mechanism (219), the fourth suction robotic arm (220), the button assembly mechanism (221), and the fifth robotic arm (222) are distributed sequentially around the third turntable (213); The third robotic arm (215) transfers the base (1) assembled by the terminal assembly device (200) to the third clamp (214); The conductive spring assembly mechanism (216) mounts two conductive springs (15) onto the base (1); Button spring assembly mechanism (217) mounts the button spring (13) onto the base (1); The circuit board feeding mechanism (218) and the lampshade feeding mechanism (219) respectively place the circuit board (16) and the lampshade (17) on the third fixture (214), and the circuit board (16) and the lampshade (17) form a lamp assembly (11). The fourth suction robot (220) installs the lamp assembly (11) onto the base (1); Button assembly mechanism (221) assembles the button (14) with the base (1); The fifth robotic arm (222) transfers the assembled base (1) from the third turntable (213) to the next work station.

12. The automated assembly line for the ship-type overload protection switch according to claim 11, characterized in that, The conductive spring assembly mechanism (216) includes: The fifth vibratory plate (223) delivers two conductive springs (15) outward through two first connecting pipes (224); The second bracket (225) is provided with a 23rd cylinder assembly (226) and a third slide rail (227). The 23rd cylinder assembly (226) includes a 23rd cylinder (228) and a 23rd push rod (229). The 23rd push rod (229) is slidably mounted on the third slide rail (227) and has two first receiving holes (231) for accommodating the conductive spring (15). The third slide rail (227) has a first guide hole (232). The 23rd push rod (229) has a dropping position and a moving position. In the dropping position, the first receiving hole (231) is corresponding to the bottom outlet of the first connecting pipe (224). In the moving position, the first receiving hole (231) is corresponding to the first guide hole (232). The third support (233) is provided with a second guide block (234), a twenty-fourth cylinder assembly (235), a third guide block (236), and a twenty-fifth cylinder assembly (237). The second guide block (234) is connected to the first guide hole (232) through a second connecting pipe and has a second guide hole (238). The twenty-fourth cylinder assembly (235) includes a twenty-fourth cylinder (239) and a twenty-fourth push rod (240). The twenty-fourth push rod (240) has a second receiving hole (242). The third guide block (236) is located above the third clamp (214) and has a second receiving hole (242) corresponding to the base (1). The three guide holes (243) and the 24th push rod (240) have a dropping position and a moving position. In the dropping position, the second receiving hole (242) is correspondingly set with the second guide hole (238). In the moving position, the second receiving hole (242) is correspondingly set with the third guide hole (243). The 25th cylinder assembly (237) includes a 25th cylinder (244) and a 25th push rod (245). The 25th push rod (245) is located above the third guide block (236) and is used to press the conductive spring (15) in the third guide hole (243) into the base (1).

13. The automated assembly line for the ship-type overload protection switch according to claim 11, characterized in that, The button spring assembly mechanism (217) includes: The sixth vibratory plate (246) delivers the button spring (13) outward through the third connecting pipe (247); The fourth bracket (241) is provided with a twenty-sixth cylinder assembly (248), a fourth slide rail (249), and a twenty-seventh cylinder assembly (250). The twenty-sixth cylinder assembly (248) includes a twenty-sixth cylinder (251) and a twenty-sixth push rod (252). The twenty-sixth push rod (252) is slidably mounted on the fourth slide rail (249) and has a third receiving hole (253) for accommodating the button spring (13). The fourth slide rail (249) has a fourth guide hole. The twenty-sixth push rod (251) is slidably mounted on the fourth slide rail (249) and has a third receiving hole (253) for accommodating the button spring (13). 52) It has a material dropping position and a material transfer position. In the material dropping position, the third receiving hole (253) is corresponding to the bottom outlet hole of the third connecting pipe (247). In the material transfer position, the third receiving hole (253) is corresponding to the fourth guide hole. The 27th cylinder assembly (250) includes a 27th cylinder (254) and a 27th push rod (255). The 27th push rod (255) presses the button spring (13) in the fourth guide hole into the base (1).

14. The automated assembly line for the ship-type overload protection switch according to claim 11, characterized in that, The circuit board feeding mechanism (218) includes a seventh vibratory plate (256), a seventh vibratory track (257), and a sixth suction robot (258). The seventh vibratory plate (256) moves the circuit board (16) toward the seventh vibratory track (257), and the sixth suction robot (258) picks up the circuit board (16) and places it on the third clamp (214). The lampshade feeding mechanism (219) includes an eighth vibratory plate (259), an eighth vibratory track (260), and a seventh suction robot (261). The eighth vibratory plate (259) moves the lampshade (17) toward the eighth vibratory track (260), and the seventh suction robot (261) picks up the lampshade (17) and places it on the circuit board (16) of the third clamp (214). The button assembly mechanism (221) includes a ninth vibratory plate (262), a ninth vibratory track (263), a twenty-eighth cylinder assembly (264), and an eighth manipulator (265). The ninth vibratory plate (262) moves the button (14) toward the ninth vibratory track (263). The twenty-eighth cylinder assembly (264) includes a twenty-eighth rotary cylinder (266) and a third rotating plate (267). The third rotating plate (267) moves the button (14) on the ninth vibratory track (263) to the clamping position. The eighth manipulator (265) assembles the button (14) with the base (1).

15. The automated assembly line for the ship-type overload protection switch according to claim 1, characterized in that, The lifting strip assembly device (300) includes a lifting strip reel (301), a second strip conveying assembly (302), a second slicing mechanism (303), and a fifth transfer mechanism (304). The lifting strip reel (301) is adapted to store and convey lifting strips (305) outward. The lifting strip (305) includes a second connecting piece (306) and a plurality of lifting strips (20) spaced apart along the length of the second connecting piece (306). The second strip conveying assembly (302) moves the lifting strip (305) to the position to be cut. The second slicing mechanism (303) cuts the connection between the lifting strip (20) and the second connecting piece (306). The fifth transfer mechanism (304) moves the lifting strip (20) and assembles it into the base (1).

16. The automated assembly line for the ship-type overload protection switch according to claim 15, characterized in that, The second connecting piece (306) has second through holes (308) corresponding to the plurality of lifting pieces (20). The second material conveying assembly (302) includes a twenty-ninth cylinder assembly (309) and a second material conveying claw (310). The twenty-ninth cylinder assembly (309) includes a twenty-ninth cylinder (311) and a twenty-ninth push plate (312) driven by the twenty-ninth cylinder (311). The second material conveying claw (310) is rotatably mounted on the twenty-ninth push plate (312) by a third spring (313), and it is provided with a mechanism that cooperates with the second connecting piece (306). The second claw-shaped portion (314) is wherein, when the second strip drive claw (310) moves in one direction following the 29th push plate (312), under the elastic force of the third spring (313), the second claw-shaped portion (314) of the second strip drive claw (310) extends into the second through hole (308) of the second connecting piece (306) and drives the lifting strip (305) to move synchronously; when the second strip drive claw (310) moves in the opposite direction following the 29th push plate (312), the second strip drive claw (310) moves relative to the lifting strip (305).

17. The automated assembly line for the ship-type overload protection switch according to claim 15, characterized in that, The second slicing mechanism (303) includes a thirtieth cylinder assembly (315), a second lever (316), a second pressure block (317), and a second cutter (318). One end of the second lever (316) is provided with the second pressure block (317), and the other end is driven by the thirtieth cylinder assembly (315). The second cutter (318) is mounted on the fifth bracket and can be moved up and down by a fourth spring. Under the drive of the second pressure block (317), it cuts the second connecting piece (306).

18. The automated assembly line for the ship-type overload protection switch according to claim 15, characterized in that, The fifth material transfer mechanism (304) includes: The lifting plate positioning mechanism (319) includes a second stop (320), a third pressure block (321) and a fifth spring. The third pressure block (321) is arranged opposite to the second stop (320). Under the elastic force of the fifth spring, the third pressure block (321) presses the lifting plate (20) onto the second stop (320). The 31st cylinder assembly (322) is located below the lifting piece (20), and includes the 31st cylinder (323) and the 31st push rod (324). The 31st push rod (324) pushes the sliced ​​lifting piece (20) into the transfer rod (325). The transfer rod (325) and the thirty-second cylinder assembly (326) are mounted on the sixth bracket (327) and located above the lifting piece (20). The transfer rod (325) is formed with a locking hole for the lifting piece (20) to be inserted. The thirty-second cylinder assembly (326) includes a thirty-second cylinder (348) and a thirty-second push rod (328). The thirty-second push rod (328) extends into the locking hole and presses the lifting piece (20) into the base (1). The material transfer cylinder assembly (329) is connected to the sixth bracket (327) and moves the lifting piece (20) from the slicing position to the assembly position.

19. The automated assembly line for the ship-type overload protection switch according to claim 1, characterized in that, The cover plate assembly device (307) includes: The cover plate feeding mechanism (331) transfers the cover plate (2) to the base (1). It includes a tenth vibratory plate (334), a tenth vibratory track (335), and a ninth robot (336). The tenth vibratory plate (334) feeds the cover plate (2) toward the tenth vibratory track (335), and the ninth robot (336) clamps the cover plate (2) from the tenth vibratory track (335) and transfers it to the base (1). The cover plate clamping mechanism (332) clamps the cover plate (2) to the base (1), and includes a 33rd cylinder (337) and a 33rd push rod (338), wherein the 33rd push rod (338) fastens the cover plate (2) to the base (1); The sixth material transfer mechanism (333) switches the base (1) between various workstations. It includes a sixth slide rail (339), multiple third clamping plates (340), a third support plate (341), a thirty-fourth cylinder assembly (342), a fourth support plate (343), and a thirty-fifth cylinder assembly (345). The sixth slide rail (339) allows the base (1) to slide on it. The multiple third clamping plates (340) are spaced apart along the length of the third support plate (341), and the third clamping plates (340) are formed with clamping grooves that are adapted to the base (1). The thirty-fourth cylinder assembly (342) is disposed on the fourth support plate (343) and is used to drive the third support plate (341) to move in the left and right direction along the third frame (347). The thirty-fifth cylinder assembly (345) is used to drive the fourth support plate (343) to move in the front and back direction along the third frame (347).

20. An assembly process for a ship-type overload protection switch, applied to an automated assembly line for a ship-type overload protection switch as described in any one of claims 1-19, characterized in that, Includes the following steps: S1, rivet one end of the bimetallic strip (3) to the first terminal (4) for fixation; S2, the other end of the bimetallic strip (3) is inserted and fixed to the spring (6), so that the spring (6), the bimetallic strip (3) and the first terminal (4) form the first terminal assembly (7). S3, after bending the bimetallic strip (3) at a certain angle, assemble the first terminal assembly (7) with the base (1); S4, assemble the two second terminals (12) with the base (1); S5, assemble two conductive springs (15) and one button spring (13) with the base (1); S6, the lamp assembly (11) and the button (14) are assembled with the base (1) in sequence; S7, assemble the lifting plate (20) and the cover plate (2) to the base (1) in sequence.

21. The assembly process of the ship-type overload protection switch according to claim 20, characterized in that, Also includes: Before assembling the first terminal assembly (7) with the base (1), assemble the adjusting screw (8) with the base (1).

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