Automatic production line for keyboard assembly

Abstract

The invention discloses an automatic production line for keyboard assembly. The automatic production line comprises a balance strip assembly machine, a standard key assembly machine arranged at one end of the balance strip assembly machine and a special key assembly machine arranged at one end of the standard key assembly machine. A first transition conveying line is further arranged between the balance strip assembling machine and the standard key assembling machine, and a second transition conveying line is further arranged between the standard key assembling machine and the special key assembling machine. A keycap feeding machine is arranged on one side of the standard key assembling machine, and a keycap discharging machine is arranged on one side of the special key assembling machine. A third transition conveying line is further arranged between the standard key assembling machine and the special key assembling machine. According to the automatic assembling machine, a series of procedures such as assembling of balance strips, automatic feeding of keycaps and keyboards, automatic assembling of the keycaps and automatic discharging of the assembled keyboards can be achieved, the working efficiency is high, the requirement of large-scale production can be met, and time and cost are saved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automation, in particular to an automatic production line for keyboard assembly. BACKGROUND

[0002] For small and medium-sized enterprises, the keycap assembly process usually adopts manual assembly. This way, the labor cost is high, and the assembly efficiency is low, which is difficult to meet the demand of large-scale production. At the same time, the precision of manual operation is limited, which can easily lead to inaccurate keycap assembly position, and thus affect the quality of keyboard assembly. Therefore, it needs to be improved. SUMMARY

[0003] The purpose of the present application is to provide an automatic production line for keyboard assembly, which can realize a series of processes such as balance bar assembly, automatic feeding of keycaps and keyboards, automatic assembly of keycaps, and automatic unloading of assembled keyboards, with high work efficiency, which can meet the demand of large-scale production, save time and cost.

[0004] In order to achieve the above purpose, the following technical scheme is adopted: An automatic production line for keyboard assembly, comprising a balance bar assembly machine, a standard key assembly machine arranged at one end of the balance bar assembly machine, and a special key assembly machine arranged at one end of the standard key assembly machine; a first transition conveying line is further arranged between the balance bar assembly machine and the standard key assembly machine, and a second transition conveying line is further arranged between the standard key assembly machine and the special key assembly machine; a keycap feeding machine is further arranged on one side of the standard key assembly machine, and a keycap unloading machine is further arranged on one side of the special key assembly machine; a third transition conveying line is further arranged between the standard key assembly machine and the special key assembly machine.

[0005] Further, the standard key assembly machine comprises a key cap feeding device, a keyboard feeding device, and a key cap assembly device; the keyboard feeding device is arranged on one side of the key cap feeding device; the key cap assembly device comprises a secondary positioning mechanism arranged between the key cap feeding device and the keyboard feeding device, an upper visual detection mechanism arranged above the key cap feeding device, an assembly table mechanism arranged on one side of the keyboard feeding device, and a balance bar detection mechanism and a key cap assembly mechanism arranged above the assembly table mechanism; the key cap feeding device comprises a key cap conveying mechanism and a key cap transfer mechanism; the key cap transfer mechanism comprises a key cap transfer module arranged above the key cap conveying mechanism, and a key cap jacking mechanism is further installed on the key cap conveying mechanism; the key cap conveying mechanism comprises two key cap conveying frames, and a key cap blocking mechanism is further installed at one end between the two key cap conveying frames; the two key cap conveying frames are arranged in parallel and at intervals, and a key cap conveying belt module is installed on each side of the two key cap conveying frames; a first motor assembly for driving the key cap conveying belt module to operate is further installed on each key cap conveying frame; two avoiding grooves are formed at the top of each key cap conveying frame, and the part of the key cap conveying belt module located in the avoiding grooves is arranged below one side of the avoiding grooves.

[0006] Further, the other side of each of the keycap conveying frames is connected with a lifting mounting plate, and the lifting mounting plate is provided with a keycap lifting guide rail in the vertical direction; the keycap lifting mechanism comprises a keycap lifting support plate and two keycap lifting cylinders; the two keycap lifting cylinders are respectively mounted on one side of the lifting mounting plate; the keycap lifting support plate is in a rectangular hollow structure, and the two bottom sides of the keycap lifting support plate are respectively connected with a keycap lifting cylinder, and the two ends of the keycap lifting support plate are arranged through the position avoiding slot; the bottom sides of the keycap lifting support plate are further connected with a lifting connecting plate, and the lifting connecting plate is slidingly arranged on the keycap lifting guide rail; the top of each of the keycap conveying frames is further connected with a keycap limiting seat between the two position avoiding slots; the keycap limiting seat is in an L-shaped structure, and the L-shaped vertical end of the keycap limiting seat is connected with the top of the keycap conveying frame, and the L-shaped horizontal end of the keycap limiting seat is arranged above one side of the lifting support plate; the keycap blocking mechanism comprises a blocking mounting seat connected on one side of one of the keycap conveying frames, a cylinder guide seat connected on one side of the blocking mounting seat, and a first blocking cylinder mounted on the bottom of the cylinder guide seat; the top of the cylinder guide seat is provided with a blocking guide hole penetrating to the bottom thereof, and the output shaft of the first blocking cylinder is further connected with a blocking telescopic block; the upper part of the blocking telescopic block is movably arranged through the blocking guide hole, and one side of the upper part of the blocking telescopic block is further connected with a first blocking block; the keycap transfer mechanism comprises a keycap translation slide plate, a keycap Z-axis mechanism arranged below the keycap conveying mechanism, and a keycap lifting chassis connected with the keycap Z-axis mechanism; the top of the keycap lifting chassis is connected with a keycap connecting support at each end, and the top of one of the keycap connecting supports is mounted with a keycap Y-axis mechanism, and the top of the other keycap connecting support is mounted with a keycap guide slide rail; the keycap translation slide plate is arranged above the keycap conveying mechanism in the conveying direction of the keycap conveying mechanism, and one end of the keycap translation slide plate is connected with the keycap Y-axis mechanism, and the other end of the keycap translation slide plate is slidingly arranged on the keycap guide slide rail; the keycap transfer module is mounted on the bottom of the keycap translation slide plate; the keycap transfer module comprises a keycap suction plate mounted on the bottom of the keycap translation slide plate, a keycap transfer suction nozzle mounted on the bottom of the keycap suction plate, and a first gas source connector mounted on one end of the keycap suction plate and in communication with the keycap transfer suction nozzle.

[0007] Further, the keyboard feeding device comprises a keyboard conveying line and a keyboard transfer mechanism; the keyboard transfer mechanism comprises a keyboard sliding bottom plate, a keyboard Z-axis mechanism, and a keyboard lifting frame connected with the keyboard Z-axis mechanism; the top of the keyboard lifting frame is connected with a keyboard connecting vertical frame at each end, and the top of one of the keyboard connecting vertical frames is provided with a keyboard Y-axis mechanism, and the top of the other keyboard connecting vertical frame is provided with a first sliding rail module; one end of the keyboard sliding bottom plate is slidingly arranged on the first sliding rail module, and the other end of the keyboard sliding bottom plate is connected with the keyboard Y-axis mechanism; the bottom of the keyboard sliding bottom plate is provided with a keyboard transfer module; the keyboard conveying line passes through the two keyboard connecting vertical frames and is arranged below the keyboard transfer module; the keyboard conveying line is further provided with a keyboard lifting mechanism and a keyboard stopping mechanism; the keyboard transfer module comprises a first suction plate arranged on the bottom of the keyboard sliding bottom plate, a second suction plate arranged on the bottom of the first suction plate, and a first keyboard suction nozzle arranged on the bottom of the second suction plate; adjustment mounting holes are formed at both ends and one side of the bottom of the first suction plate, and a profile key adjustment assembly is further arranged in the adjustment mounting holes; a bearing step is formed in the inner wall of each end of the adjustment mounting hole; the profile key adjustment assembly comprises a profile key fixed block, a profile key lifting block, two lifting guide columns, and a limiting transverse plate; the two ends of the profile key fixed block are arranged on the bearing steps, and a lifting guide sleeve is further arranged at each end in the profile key fixed block; the two lifting guide columns are movably arranged through the lifting guide sleeves; the top of the profile key lifting block is connected with the bottoms of the two lifting guide columns, and the bottom of the limiting transverse plate is connected with the tops of the two lifting guide columns; a balance strip profiling groove is further formed in the bottom of the profile key lifting block; a first spring is further arranged on the outer wall of the lifting guide column, and the two ends of the first spring are in contact with the bottom of the profile key fixed block and the top of the profile key lifting block, respectively; the profile key adjustment assembly further comprises a limiting screw arranged on the limiting transverse plate in the vertical direction; a second keyboard suction nozzle is further arranged on the bottom of the profile key lifting block; a brush cleaning assembly is further arranged on one side of the keyboard sliding bottom plate; the brush cleaning assembly comprises a brush lifting cylinder arranged on one side of the keyboard sliding bottom plate, a brush lifting plate connected with the brush lifting cylinder, and a cleaning brush arranged on one side of the brush lifting plate.

[0008] Further, the keycap assembling mechanism comprises two assembling vertical frames and an assembling sliding frame. The two assembling vertical frames are arranged in parallel and at intervals, and the top of each of the two assembling vertical frames is provided with a first guide rail assembly. The bottom of the assembling sliding frame is slidably arranged on each of the first guide rail assemblies. One side of one of the assembling vertical frames is further provided with a first translation mechanism, and the first translation mechanism is further drivingly connected with a first moving seat. The top of the first moving seat is connected with the bottom of the assembling sliding frame. One side of the assembling sliding frame is further provided with a second translation mechanism, and the second translation mechanism is further drivingly connected with an assembling sliding plate. One side of the assembling sliding plate is provided with a first lifting mechanism, and the first lifting mechanism is further drivingly connected with an assembling lifting frame. The bottom of the assembling lifting frame is further provided with a keycap assembling module. The keycap assembling module comprises an assembling connecting plate, a third translation mechanism and a plurality of suction cup mounting strips. The assembling connecting plate is connected to the bottom of the assembling lifting frame, and the bottom of the assembling connecting plate is connected with a bearing mounting plate at each end. The third translation mechanism is arranged on the bottom of the assembling connecting plate along the moving direction of the first translation mechanism, and the third translation mechanism is further drivingly connected with an adjusting translation plate. The adjusting translation plate is located between the two bearing mounting plates, and the bottom of the adjusting translation plate is further connected with a first movable plate at each end. A plurality of waist round guide holes are arranged at intervals in the lower part of one side of the first movable plate in the vertical direction. The plurality of suction cup mounting strips are arranged side by side between the two first movable plates, and an upper connecting block is integrally connected to each end of the top of each of the suction cup mounting strips. A first connecting shaft is further arranged on the upper connecting block, and a first guide wheel is integrally connected to one end of the first connecting shaft. The first guide wheel is movably arranged in the waist round guide hole. A lower connecting block is integrally connected to each end of the bottom of each of the suction cup mounting strips, and a second connecting shaft is further arranged on the lower connecting block. A second mounting hole is further arranged in the lower part of one side of the bearing mounting plate, and a first bearing is further arranged in the second mounting hole. The second connecting shaft is connected with the first bearing. A plurality of keycap assembling blocks are arranged at intervals in the length direction of the bottom of the suction cup mounting strip, and a profiled clamping groove is further arranged in the bottom of the keycap assembling block. A vacuum suction hole is further arranged in the profiled clamping groove. An equal-height washer is further arranged on the second connecting shaft. The equal-height washer is located between the lower connecting block and the first bearing.

[0009] Further, the secondary positioning mechanism comprises a positioning base plate, a positioning lifting mechanism mounted on the positioning base plate, a positioning lifting seat connected with the positioning lifting mechanism, and a profiling suction plate connected to the top of the positioning lifting seat; the top of the profiling suction plate is integrally connected with a suction support, and a keycap profiling groove is further formed in the top of the suction support; a first mounting hole is formed in the keycap profiling groove, and a positioning suction nozzle is further mounted in the first mounting hole; a connecting upright plate is connected to each end of the top of the positioning base plate, and a keyboard profiling plate is further connected between the tops of the two connecting upright plates; the keyboard profiling plate is located above the profiling suction plate, and a keycap profiling hole is further formed in the keyboard profiling plate corresponding to the suction support; two first through holes are further formed in the top of the positioning base plate, and a sliding rail fixing plate is connected to each side inner wall of each first through hole; a second guide rail assembly is further arranged on one side of each sliding rail fixing plate in the vertical direction, and the two ends of the positioning lifting seat are respectively connected with a second guide rail assembly in sliding connection; the assembly table mechanism comprises an assembly fixing frame and an assembly platform mounted on the top of the assembly fixing frame; a first vacuum suction cup is mounted on the top of the assembly platform; a first positioning pin is further mounted on the top of the assembly platform; a magnet is further mounted on the top of the assembly platform; the assembly table mechanism further comprises an assembly cleaning assembly; the assembly cleaning assembly comprises a cleaning mounting seat arranged on one side of the assembly fixing frame, a fixed upright rod mounted on the cleaning mounting seat, a cleaning blowing seat mounted on the fixed upright rod, and a bamboo joint nozzle mounted on one side of the cleaning blowing seat.

[0010] Further, the balancing strip assembly machine comprises a first conveying line, a balancing strip assembly mechanism arranged on one side of the first conveying line, and a balancing strip feeding mechanism arranged on the other side of the first conveying line; one end of the first conveying line is further provided with a balancing strip reinspection mechanism; the first conveying line comprises a plurality of first conveying mechanisms which are connected with each other in a head-to-tail manner; the first conveying mechanism comprises two first conveying frames arranged in parallel and at intervals, and a first jacking mechanism arranged between the two first conveying frames; a first conveying belt module and a first conveying motor assembly connected with the first conveying belt module are mounted on each first conveying frame; a first blocking mechanism is further arranged at one end between the two first conveying frames.

[0011] Further, the balance bar assembling mechanism comprises a first stand, a first mechanical arm installed on the top of the first stand, and an assembling mounting plate connected with the first mechanical arm; the bottom of the assembling mounting plate is further provided with an assembling clamping cylinder, and the assembling clamping cylinder is further driven to be connected with two assembling clamping seats; the opposite side of each of the two assembling clamping seats is provided with an assembling clamping block, and the opposite side of the two assembling clamping blocks is further provided with an assembling clamping groove; the side of the assembling clamping cylinder is further provided with a side limiting assembly for limiting the balance bar; the side limiting assembly comprises a limiting mounting plate connected with the side of the assembling clamping cylinder; the bottom of the limiting mounting plate is further integrally connected with a side limiting block; the side limiting block is in an L-shaped structure, and the L-shaped transverse end of the side limiting block extends between the two assembling clamping seats; the end of the L-shaped transverse end of the side limiting block is further connected with a side limiting baffle.

[0012] Further, the special key assembling machine comprises a positioning table mechanism, a workbench mechanism arranged at one end of the positioning table mechanism, and a special key assembling mechanism arranged at one side of the workbench mechanism; the workbench mechanism comprises a moving drive mechanism, a first moving frame connected with the moving drive mechanism, and an installation platform installed on the first moving frame; the top of the installation platform is further provided with a vacuum suction disc and an installation positioning pin; the side of the moving drive mechanism is further provided with a platform cleaning assembly; the special key assembling mechanism comprises a first installation frame, a Y-axis translation mechanism installed on the first installation frame along the translation direction of the moving drive mechanism, an X-axis translation mechanism connected with the Y-axis translation mechanism, and a Z-axis lifting mechanism connected with the X-axis translation mechanism; the Z-axis lifting mechanism is further driven to be connected with a Z-axis lifting frame; the Z-axis lifting frame is arranged above the installation platform, and the bottom of the Z-axis lifting frame is further provided with a backspace key assembling mechanism and a direction key assembling mechanism.

[0013] Further, the backspace key assembling mechanism comprises a first mounting seat connected with one end of the bottom of the Z-axis lifting frame, a first lifting cylinder installed on the bottom of the first mounting seat, a first lifting seat connected with the first lifting cylinder, a first assembling seat installed on one side of the bottom of the first lifting seat, and a first pressing assembly installed on the other side of the bottom of the first lifting seat; the bottom of the first assembling seat is inclined upward to the direction of the first pressing assembly, and a first clamping groove is formed in the first assembling seat, and a first vacuum suction nozzle is installed in the first clamping groove; the first pressing assembly comprises a first pressing cylinder connected with the bottom of the first lifting seat, and a first pressing plate connected with the first pressing cylinder; a first guide groove is formed in the first assembling seat along the vertical direction and penetrates the first clamping groove, and one side of the first pressing plate is inserted into the first guide groove; the bottom of the one side of the first pressing plate inserted into the first guide groove is further connected with a first pressing block.

[0014] By adopting the above scheme, the application has the following beneficial effects: The application can realize a series of processes such as assembly of balance bars, automatic feeding of keycaps and keyboards, automatic assembly of keycaps and automatic unloading of assembled keyboards, has high work efficiency, can meet the demand of large-scale production, and saves time and cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the application; Figure 2 It is a structural schematic diagram of the standard key assembly machine of the application; Figure 3 It is a structural schematic diagram of the keycap feeding device of the application; Figure 4 It is a structural schematic diagram of the keycap transfer mechanism and the keycap jacking mechanism of the application; Figure 5 It is a structural schematic diagram of the keycap transfer mechanism of the application; Figure 6 It is a structural schematic diagram of the keycap jacking mechanism of the application; Figure 7 It is a structural schematic diagram of the keycap transfer mechanism of the application; Figure 6 It is a structural schematic diagram of the keycap transfer mechanism of the application from another perspective; Figure 8 It is a structural schematic diagram of the keyboard feeding device of the application; Figure 9 It is a structural schematic diagram of the keyboard transfer mechanism of the application; Figure 10 It is a structural schematic diagram of the keyboard transfer module of the application; Figure 11 It is a structural schematic diagram of the keyboard transfer mechanism of the application; Figure 10 It is a structural schematic diagram of the keyboard transfer mechanism of the application from another perspective; Figure 12 It is a structural schematic diagram of the profiling key adjustment assembly of the application; Figure 13 It is a structural schematic diagram of the keycap assembly device of the application; Figure 14 It is a structural schematic diagram of the keycap assembly module of the application; Figure 15 It is a structural schematic diagram of the keycap assembly module of the application; Figure 14 It is a structural schematic diagram of the keycap assembly module of the application from another perspective; Figure 16 It is a structural schematic diagram of the secondary positioning mechanism of the application; Figure 17 It is a structural schematic diagram of the assembly table mechanism of the application; Figure 18 It is a structural schematic diagram of the assembly table mechanism of the application; Figure 16 It is a structural schematic diagram of the assembly table mechanism of the application from another perspective; Figure 19 It is a structural schematic diagram of the keycap unloading machine of the application; Figure 20Structure schematic view of the balance bar assembling machine of the present application; Figure 21 Structure schematic view of the balance bar assembling mechanism of the present application; Figure 22 Structure schematic view of the balance bar feeding mechanism of the present application; Figure 23 Structure schematic view of Figure 22 Structure schematic view of the partial enlargement; Figure 24 Structure schematic view of the special key assembling machine of the present application; Figure 25 Structure schematic view of the special key assembling mechanism of the present application; Figure 26 Structure schematic view of the return key assembling mechanism of the present application; Figure 27 Structure schematic view of the first assembling module of the present application; Among them, the figure mark explanation: 1, key cap feeding device; 2, keyboard feeding device; 3, key cap assembling device; 4, key cap discharging machine; 5, balance bar assembling machine; 6, special key assembling machine; 11, key cap transmission mechanism; 12, key cap transfer mechanism; 13, key cap jacking mechanism; 14, first key cap transition line; 15, second key cap transition line; 21, keyboard transmission line; 22, keyboard transfer mechanism; 23, keyboard transfer module; 24, brush lifting cylinder; 25, brush lifting plate; 26, cleaning brush; 31, key cap assembling mechanism; 32, secondary positioning mechanism; 33, assembling table mechanism; 34, upper visual detection mechanism; 35, balance bar detection mechanism; 41, discharging bottom plate; 42, discharging support; 43, adjusting guide rod; 44, material distribution mechanism; 45, front guide plate; 46, rear guide plate; 47, first guide stand; 48, second guide stand; 49, first guide bar; 51, balance bar feeding mechanism; 52, balance bar assembling mechanism; 53, first transmission line; 54, balance bar rechecking mechanism; 61, positioning table mechanism; 62, workbench mechanism; 63, special key assembling mechanism; 64, platform cleaning assembly; 111, key cap transmission frame; 112, key cap blocking mechanism; 113, position avoiding notch; 121, key cap transfer module; 122, key cap translation slide plate; 123, key cap Z-axis mechanism; 124, key cap lifting underframe; 125, key cap connecting support; 126, key cap Y-axis mechanism; 131, key cap jacking support plate; 132, key cap jacking cylinder; 133, lifting connecting plate; 134, carrier positioning pin; 135, key cap limiting seat; 136, key cap buffer; 137, first limiting part; 141, first code scanning assembly; 142, lower key cap detection assembly; 221, keyboard sliding bottom plate; 222, keyboard Z-axis mechanism; 223, keyboard lifting frame; 224, keyboard connecting vertical frame; 225, keyboard Y-axis mechanism; 226, keyboard jacking mechanism; 231, first suction plate; 232, second suction plate; 233, first keyboard suction nozzle; 234, bearing step; 235, profiled key fixing block; 236, profiled key lifting block; 237, lifting guide column; 238, limiting cross plate; 239, first spring; 230, second keyboard suction nozzle; 311, assembling stand; 312, assembling sliding frame; 313, first translation mechanism; 314, first moving seat; 315, second translation mechanism; 316, assembling sliding plate; 317, first lifting mechanism; 318, assembling lifting frame; 319, key cap assembling module; 321, positioning bottom plate; 322, positioning lifting mechanism; 323, positioning lifting seat; 324, profiled suction plate; 325, suction support; 326, positioning suction nozzle; 327, first air source connector; 328, connecting vertical plate; 329, keyboard profiled plate; 320, slide rail fixing plate; 331, assembling fixing frame; 332, assembling platform; 333, first vacuum suction cup; 334, first positioning pin; 335, magnet; 336, fixing vertical rod; 337, cleaning air blowing seat; 338, bamboo joint nozzle; 511, first feeding frame;512, supply support; 513, supply bottom plate; 514, supply push plate; 515, supply fixed seat; 516, supply bin plate; 517, supply translation air cylinder; 518, bin base; 519, linear rail connecting seat; 521, first stand; 522, first mechanical arm; 523, assembly mounting plate; 524, assembly clamping air cylinder; 525, assembly clamping seat; 526, assembly clamping block; 527, assembly clamping groove; 528, side limiting assembly; 529, cup head screw; 520, assembly clamping plate; 631, first mounting frame; 632, Y-axis translation mechanism; 633, X-axis translation mechanism; 634, Z-axis lifting mechanism; 635, Z-axis lifting frame; 636, backspace assembly mechanism; 637, first assembly module; 638, second assembly module; 1111, lifting mounting plate; 1112, keycap lifting guide rail; 1121, blocking mounting seat; 1122, air cylinder guide seat; 1123, first blocking air cylinder; 1124, blocking telescopic block; 1125, first blocking block; 1211, keycap suction plate; 1212, keycap transfer suction nozzle; 1213, first air source connector; 3191, assembly connecting plate; 3192, third translation mechanism; 3193, suction cup mounting strip; 3194, bearing mounting plate; 3195, adjustment translation plate; 3196, first movable plate; 5171, air cylinder connecting block; 5172, air cylinder limiting block; 5173, limiting screw; 5181, first proximity switch; 5182, bin pressing block; 6361, first mounting seat; 6362, first lifting air cylinder; 6363, first lifting seat; 6364, first assembly seat; 6365, first vacuum suction nozzle; 6366, first pressing air cylinder; 6367, first pressing plate; 6368, first pressing block; 6371, second lifting air cylinder; 6372, second lifting seat; 6373, second assembly seat; 6374, second suction nozzle; 6375, second pressing air cylinder; 6376, second pressing plate; 6377, second pressing block; 6378, third pressing air cylinder; 6379, third pressing plate; 6370, third pressing block; 31931, upper connecting block; 31932, first connecting shaft; 31933, first guide wheel; 31934, lower connecting block; 31935, second connecting shaft; 31936, first bearing; 31937, keycap assembly block; 31938, equal-height washer. DETAILED DESCRIPTION

[0016] The application will be described in detail below with reference to the drawings and specific embodiments.

[0017] REFERENCE Figures 1 to 27As shown, the present application provides an automatic production line for keyboard assembly, which in an embodiment comprises a balance bar assembly machine 5, a standard key assembly machine arranged at one end of the balance bar assembly machine 5, and a special key assembly machine 6 arranged at one end of the standard key assembly machine; a first transition conveying line is further arranged between the balance bar assembly machine 5 and the standard key assembly machine, and a second transition conveying line is further arranged between the standard key assembly machine and the special key assembly machine 6; a key cap loading machine is further arranged at one side of the standard key assembly machine, and a key cap unloading machine 4 is further arranged at one side of the special key assembly machine 6; a third transition conveying line is further arranged between the standard key assembly machine and the special key assembly machine 6.

[0018] In this embodiment, a flow line for conveying keyboard frames is further arranged at one end of the balance bar assembly machine 5, which is used for assembling balance bars at corresponding positions of the keyboard frames; after the balance bars are assembled, the keyboard frames are conveyed to the standard key assembly machine through the first transition conveying line; at this time, the key cap loading machine has conveyed the carrier loaded with key caps to the standard key assembly machine, the standard key assembly machine assembles standard keys (except for four direction keys, enter key, and Ctrl key) of the keyboard frames, then the standard key assembly machine conveys the keyboard frames to the special key assembly machine 6, the third transition conveying line also conveys the key cap carrier to the special key assembly machine 6, the special key assembly machine 6 completes the assembly of the remaining keys, after the assembly is completed, the special key assembly machine 6 conveys the assembled keyboard to the next process, and the empty carrier is unloaded by the key cap unloading machine 4.

[0019] In an embodiment, the standard key assembly machine comprises a key cap loading device 1, a keyboard loading device 2, and a key cap assembly device 3; the keyboard loading device 2 is arranged at one side of the key cap loading device 1; the key cap assembly device 3 comprises a secondary positioning mechanism 32 arranged between the key cap loading device 1 and the keyboard loading device 2, an upper visual detection mechanism 34 arranged above the key cap loading device 1, an assembly table mechanism 33 arranged at one side of the keyboard loading device 2, and a balance bar detection mechanism 35 and a key cap assembly mechanism 31 arranged above the assembly table mechanism 33.

[0020] In this embodiment, the key cap feeding device 1 is connected to the key cap feeding machine and the third transition conveying line, and the keyboard feeding device 2 is connected to the first transition conveying line and the second transition conveying line; the upper visual detection mechanism 34 and the balance bar detection mechanism 35 each include an industrial camera and a light source. The key cap feeding device 1 can first transfer the carrier loaded with the key cap to the upper visual detection mechanism 34, and the upper visual detection mechanism 34 performs visual positioning on the key cap. Then, the key cap feeding device 1 moves the key cap to the secondary positioning mechanism 32, and the secondary positioning mechanism 32 performs secondary positioning on the key cap. At the same time, the keyboard feeding device 2 moves the keyboard frame to the assembly table mechanism 33. Before this, the previous balance bar assembly machine 5 has assembled the balance bar of the related key to the keyboard frame. After the keyboard frame is placed on the assembly table mechanism 33, the balance bar detection mechanism 35 re-inspects the balance bar. After the re-inspection is completed, the key cap assembly mechanism 31 sucks the key cap on the secondary positioning mechanism 32 and assembles it to the keyboard frame. After the assembly is completed, the keyboard feeding device 2 moves the assembled keyboard to the next process. In this embodiment, the machine type is mainly used for assembling standard keys, and some special keys, such as four direction keys and enter keys, are assembled by the special key assembly machine 6 in the next process.

[0021] In an embodiment, the key cap feeding device 1 includes a key cap conveying mechanism 11 and a key cap moving mechanism 12. The key cap moving mechanism 12 includes a key cap moving module 121 arranged above the key cap conveying mechanism 11, and a key cap lifting mechanism 13 is also installed on the key cap conveying mechanism 11. The key cap conveying mechanism 11 includes two key cap conveying frames 111, and a key cap blocking mechanism 112 is also installed at one end between the two key cap conveying frames 111. The two key cap conveying frames 111 are arranged in parallel and at intervals, and a key cap conveying belt module is installed on each side of the two key cap conveying frames 111. A first motor assembly for driving the key cap conveying belt module to operate is also installed on each key cap conveying frame 111. Two end portions of the top of the key cap conveying frame 111 are each provided with an avoidance slot 113, and the part of the key cap conveying belt module arranged below one side of the avoidance slot 113.

[0022] In this embodiment, the keycap conveying mechanism 11 is composed of two parallel and spaced keycap conveying frames 111, each of which is mounted with a keycap conveying belt module on opposite sides for carrying and conveying the carriers loaded with keycaps; a first motor assembly mounted on each keycap conveying frame 111 drives the keycap conveying belt module to operate, thereby realizing the continuous conveying of the carriers; the avoidance notches 113 opened at the top of the two ends of the keycap conveying frame 111 provide space for the subsequent jacking operation (the keycap jacking mechanism 13 is mounted on the keycap conveying mechanism 11, which functions to jack the carriers loaded with keycaps from the conveying belt module to a suitable height so that the keycap transfer module 121 can smoothly grasp the keycaps); the keycap transfer module 121 in the keycap transfer mechanism 12 is arranged above the keycap conveying mechanism 11 and can transfer the keycaps to the secondary positioning mechanism 32.

[0023] Preferably, in this embodiment, the other side of each of the keycap conveying frames 111 is connected with a lifting mounting plate 1111, and the lifting mounting plate 1111 is arranged with a keycap lifting guide rail 1112 in the vertical direction on one side thereof; the keycap jacking mechanism 13 comprises a keycap jacking support plate 131 and two keycap jacking cylinders 132; the two keycap jacking cylinders 132 are respectively mounted on one side of a lifting mounting plate 1111; the keycap jacking support plate 131 is in a rectangular hollow structure, and the two sides of the bottom of the keycap jacking support plate 131 are respectively connected with a keycap jacking cylinder 132, and the two ends of the keycap jacking support plate 131 are arranged through the avoidance notches 113; the bottom of the keycap jacking support plate 131 is further connected with a lifting connecting plate 133, and the lifting connecting plate 133 is slidingly arranged on the keycap lifting guide rail 1112.

[0024] The keycap jacking support plate 131 in the keycap jacking mechanism 13 is in a rectangular hollow structure, and the two sides of the bottom thereof are connected with the keycap jacking cylinders 132, and the lifting and lowering movements of the keycap jacking support plate 131 are realized through the extension and retraction actions of the cylinders; the two ends of the keycap jacking support plate 131 are arranged through the avoidance notches 113 at the top of the keycap conveying frame 111, and the avoidance notches 113 provide space for the lifting and lowering of the keycap jacking support plate 131; the lifting connecting plate 133 connected on the two sides of the bottom of the keycap jacking support plate 131 is slidingly arranged on the keycap lifting guide rail 1112, and the guide rail makes the lifting and lowering movements of the jacking support plate more stable and accurate, avoiding the shaking or deviation during the jacking process and providing reliable guarantee for the subsequent transfer operation. Meanwhile, the top of the keycap jacking support plate 131 is further provided with a carrier positioning pin 134, which can quickly position the carriers loaded with keycaps.

[0025] Meanwhile, the top of each of the keycap transmission frames 111 between the two position-avoiding slots 113 is also connected with a keycap limiting seat 135; the keycap limiting seat 135 is in L-shaped structure, and the L-shaped vertical end of the keycap limiting seat 135 is connected with the top of the keycap transmission frame 111, and the L-shaped horizontal end of the keycap limiting seat 135 extends to above one side of the jacking support plate. The L-shaped horizontal end of the keycap limiting seat 135 can limit the lifting stroke of the jacking support plate, and meanwhile, to further improve the safety of the lifting of the keycap jacking support plate 131, the other side of the keycap transmission frame 111 is also provided with a keycap buffer 136, and the one side of the lifting connecting plate 133 is also provided with a first limiting part 137 extending to below the lifting buffer.

[0026] In addition, in this embodiment, the keycap blocking mechanism 112 includes a blocking mounting seat 1121 connected to one side of one of the keycap transmission frames 111, a cylinder guide seat 1122 connected to one side of the blocking mounting seat 1121, and a first blocking cylinder 1123 mounted at the bottom of the cylinder guide seat 1122; the top of the cylinder guide seat 1122 is provided with a blocking guide hole penetrating to the bottom thereof, and the output shaft of the first blocking cylinder 1123 is also connected with a blocking telescopic block 1124; the upper part of the blocking telescopic block 1124 is movably arranged through the blocking guide hole, and one side of the upper part of the blocking telescopic block 1124 is also connected with a first blocking block 1125. The first blocking cylinder 1123 can drive the blocking telescopic block 1124 to lift the first blocking block 1125, thereby stopping or releasing the carrier, and the blocking guide hole can guide the blocking telescopic block 1124 during lifting.

[0027] Preferably, in this embodiment, the keycap transfer mechanism 12 includes a keycap translation slide plate 122, a keycap Z-axis mechanism 123 arranged below the keycap transmission mechanism 11, and a keycap lifting chassis 124 connected with the keycap Z-axis mechanism 123; the top of the keycap lifting chassis 124 is connected with a keycap connecting bracket 125 at each end, and the top of one of the keycap connecting brackets 125 is provided with a keycap Y-axis mechanism 126, and the top of the other keycap connecting bracket 125 is provided with a keycap guide slide rail; the keycap translation slide plate 122 is arranged above the keycap transmission mechanism 11 along the transmission direction thereof, one end of the keycap translation slide plate 122 is connected with the keycap Y-axis mechanism 126, and the other end of the keycap translation slide plate 122 is slidingly arranged on the keycap guide slide rail; the keycap transfer module 121 is mounted at the bottom of the keycap translation slide plate 122; the keycap transfer module 121 includes a keycap suction plate 1211 mounted at the bottom of the keycap translation slide plate 122, a keycap transfer suction nozzle 1212 mounted at the bottom of the keycap suction plate 1211, and a first gas source connector 1213 connected with the keycap transfer suction nozzle 1212 and mounted at one end of the keycap suction plate 1211.

[0028] The keycap Z-axis mechanism 123 drives the keycap lifting chassis 124 and the keycap translation slide plate 122 and other components to move in the vertical direction through the lifting action of the keycap Z-axis mechanism 123, so as to realize the height adjustment of the keycap transfer module 121. The keycap Y-axis mechanism 126 is installed on the top of the keycap connecting bracket 125, and the action of the keycap Y-axis mechanism 126 can drive the keycap translation slide plate 122 to move along the Y-axis direction, so as to realize the adjustment of the keycap transfer module 121 in the lateral position, so as to facilitate the keycap transfer module 121 to transfer the keycap. The first gas source connector 1213327 can be connected to an external gas source, and then the keycap transfer suction nozzle 1212 is used to suck and transfer the keycap.

[0029] Further, the keyboard loading device 2 further comprises a first keycap transition line 14 and a second keycap transition line 15; the keycap transfer mechanism 11 is arranged between the first keycap transition line 14 and the second keycap transition line 15; a first code scanning assembly 141 is further installed above the first keycap transition line 14, and a lower keycap detection assembly 142 is further arranged below the first keycap transition line 14. The first keycap transition line 14 is used to connect the upstream transmission line to receive the carrier carrying the keycaps, and the second keycap transition line 15 is connected to the downstream to transfer the empty carrier to the next process; at the same time, the first code scanning assembly 141 comprises a first code scanning bracket connected to one side of the first keycap transition line 14, a code scanning mounting plate installed on the first code scanning bracket and arranged above the first keycap transition line 14, and a first code scanner installed on one side of the code scanning mounting plate; the keycap detection assembly comprises a first detection plate connected to the bottom of the first keycap transition line 14, two detection light sources installed on the first detection plate, and a lower detection camera arranged below the two detection light sources. The first code scanner is used to scan the carrier, and the lower detection camera is used to detect whether the keycaps on the carrier are placed reversely or missed.

[0030] In an embodiment, the keyboard loading device 2 comprises a keyboard transfer line 21 and a keyboard transfer mechanism 22; the keyboard transfer mechanism 22 comprises a keyboard sliding bottom plate 221, a keyboard Z-axis mechanism 222, and a keyboard lifting frame 223 connected to the keyboard Z-axis mechanism 222; the top of the keyboard lifting frame 223 is connected to a keyboard connecting vertical frame 224 at both ends, and the top of one of the keyboard connecting vertical frames 224 is installed with a keyboard Y-axis mechanism 225, and the top of the other keyboard connecting vertical frame 224 is installed with a first sliding rail module; one end of the keyboard sliding bottom plate 221 is slidingly arranged on the first sliding rail module, and the other end of the keyboard sliding bottom plate 221 is connected to the keyboard Y-axis mechanism 225; the bottom of the keyboard sliding bottom plate 221 is installed with a keyboard transfer module 23; the keyboard transfer line 21 passes through the two keyboard connecting vertical frames 224, and the keyboard transfer line 21 is below the keyboard transfer module 23; the keyboard transfer line 21 is further installed with a keyboard lifting mechanism 226 and a keyboard stopping mechanism.

[0031] In this embodiment, the keyboard transmission line 21 is used to transport the keyboard frame, and the keyboard transfer mechanism 22 is responsible for transferring the keyboard frame from the transmission line to the assembly platform 332. Specifically, the keyboard sliding base plate 221 can move along the Y-axis direction under the drive of the keyboard Y-axis mechanism 225, and the keyboard Z-axis mechanism 222 can drive the keyboard lifting frame 223 to lift along the Z-axis direction, thereby driving the keyboard Y-axis mechanism 225 and the keyboard connecting vertical frame 224 installed thereon to lift, achieving positioning in the Z-axis direction. Through the cooperation of the keyboard Y-axis mechanism 225 and the keyboard Z-axis mechanism 222 (existing linear modules can be used), the keyboard transfer module 23 can be driven to move horizontally and lift, thereby facilitating the transfer of the keyboard frame. At the same time, the keyboard transmission line 21 is also provided with a keyboard lifting mechanism 226 and a keyboard stopping mechanism. The keyboard stopping mechanism is used to stop the keyboard frame, and the keyboard lifting mechanism 226 is used to lift the keyboard frame from the transmission belt, so that the keyboard transfer module 23 can transfer the keyboard frame. The structure and working principle of the keyboard lifting mechanism 226 and the keyboard stopping mechanism are similar to those of the keycap lifting mechanism 13 and the keycap stopping mechanism 112, and will not be described here.

[0032] Preferably, in this embodiment, the keyboard transfer module 23 includes a first suction plate 231 installed at the bottom of the keyboard sliding base plate 221, a second suction plate 232 installed at the bottom of the first suction plate 231, and a first keyboard suction nozzle 233 installed at the bottom of the second suction plate 232. Adjustment mounting holes are formed at both ends and one side of the bottom of the first suction plate 231, and profiled key adjustment assemblies are installed in the adjustment mounting holes. Three adjustment mounting holes are formed at one end of the first suction plate 231, from bottom to top, for installing profiled key adjustment assemblies of TAB keys, Capslock keys, and Shift keys, respectively. Four adjustment mounting holes are formed at the other end of the first suction plate 231, from bottom to top, for installing profiled key adjustment assemblies of “←” keys, “\” keys, Enter keys, and Shift keys, respectively. One adjustment mounting hole is formed at one side of the first suction plate 231 for installing a profiled key adjustment assembly of a space bar.

[0033] Further, the inner wall of the two ends of the adjusting mounting hole is provided with a bearing step 234; the profiling key adjusting assembly comprises a profiling key fixing block 235, a profiling key lifting block 236, two lifting guide columns 237, and a limiting transverse plate 238; the two ends of the profiling key fixing block 235 are respectively mounted on a bearing step 234, and the two ends in the profiling key fixing block 235 are respectively provided with a lifting guide sleeve; the two lifting guide columns 237 are respectively movably arranged through a lifting guide sleeve; the top of the profiling key lifting block 236 is connected with the bottom of the two lifting guide columns 237, and the bottom of the limiting transverse plate 238 is connected with the top of the two lifting guide columns 237; the bottom of the profiling key lifting block 236 is further provided with a balance bar profiling groove; the outer wall of the lifting guide column 237 is further provided with a first spring 239, and the two ends of the first spring 239 are respectively in contact with the bottom of the profiling key fixing block 235 and the top of the profiling key lifting block 236; the profiling key adjusting assembly further comprises a limiting screw mounted on the limiting transverse plate 238 in the vertical direction; and the bottom of the profiling key lifting block 236 is further provided with a second keyboard suction nozzle 230.

[0034] The keyboard transmission line 21 is connected to the upstream balance bar assembly machine 5, the balance bar assembly machine 5 assembles the balance bar to the corresponding position of the keyboard frame and then transmits it to the keyboard transmission line 21, the bottom of the profiling key lifting block 236 is further provided with a balance bar profiling groove, after the keyboard moving and loading module 23 moves the keyboard frame to the assembly position, under the driving of the keyboard Z-axis mechanism 222, the profiling key lifting block 236 is lowered to correct the position of the balance bar on the keyboard frame through the balance bar profiling groove, so as to avoid the deviation of the balance bar in the process of moving and loading the keyboard frame, thereby affecting the subsequent process of assembling the keycap, specifically, in this embodiment, the lifting guide sleeve can guide the lifting guide column 237, so that the profiling key lifting block 236 can stably ascend and descend; the bottom of the limiting screw on the limiting transverse plate 238 abuts against the top of the profiling key fixing block 235, which can limit the descending stroke of the profiling key lifting block 236 to avoid falling, and at the same time, the first spring 239 is arranged between the bottom of the profiling fixing block and the top of the profiling key lifting block 236, which can play a buffering role when the profiling key lifting block 236 is pressed down; in addition, the bottom of the keyboard sliding bottom plate 221 is connected with a fine adjustment fixing block at each end, and an adjusting screw is further mounted on each fine adjustment fixing block; one end of each of the two adjusting screws is in contact with one end of the first suction plate 231. Through the two adjusting screws, the left and right positions of the first suction plate 231 can be finely adjusted to improve the accuracy of keyboard moving and loading.

[0035] Meanwhile, one side of the keyboard sliding bottom plate 221 is also provided with a brush cleaning assembly; the brush cleaning assembly comprises a brush lifting cylinder 24 installed on one side of the keyboard sliding bottom plate 221, a brush lifting plate 25 connected with the brush lifting cylinder 24, and a cleaning brush 26 installed on one side of the brush lifting plate 25. Before the keyboard frame is moved to the assembly position by the keyboard moving and loading module 23, the assembly position can be cleaned by the cleaning brush 26, so that no parts are left and the keyboard frame can be placed flat on the assembly position.

[0036] In an embodiment, the keycap assembling mechanism 31 comprises two assembling stands 311 and an assembling sliding frame 312. The two assembling stands 311 are arranged in parallel and are spaced apart, and the top of each of the two assembling stands 311 is provided with a first guide rail assembly. The bottom of the assembling sliding frame 312 is slidingly arranged on each of the first guide rail assemblies. One side of one of the assembling stands 311 is also provided with a first translation mechanism 313, and the first translation mechanism 313 is further drivingly connected with a first moving seat 314. The top of the first moving seat 314 is connected with the bottom of the assembling sliding frame 312. One side of the assembling sliding frame 312 is also provided with a second translation mechanism 315, and the second translation mechanism 315 is further drivingly connected with an assembling sliding plate 316. One side of the assembling sliding plate 316 is provided with a first lifting mechanism 317, and the first lifting mechanism 317 is further drivingly connected with an assembling lifting frame 318. The bottom of the assembling lifting frame 318 is also provided with a keycap assembling module 319.

[0037] In this embodiment, the first translation mechanism 313, the second translation mechanism 315 and the first lifting mechanism 317 can all adopt existing linear modules. Under the cooperation of the three, the keycap assembling module 319 can be driven to move and lift, so as to facilitate the assembling of the keycap assembling module 319. Preferably, in the embodiment, the keycap assembling module 319 comprises an assembling connecting plate 3191, a third translation mechanism 3192 and a plurality of suction cup mounting strips 3193; the assembling connecting plate 3191 is connected to the bottom of the assembling lifting frame 318, and the bottom of the assembling connecting plate 3191 is connected with a bearing mounting plate 3194 at each end; the third translation mechanism 3192 is mounted on the bottom of the assembling connecting plate 3191 along the moving direction of the first translation mechanism 313, and the third translation mechanism 3192 is further drivenly connected with an adjusting translation plate 3195; the adjusting translation plate 3195 is located between the two bearing mounting plates 3194, and the bottom of the adjusting translation plate 3195 is further connected with a first movable plate 3196 at each end; a plurality of waist round guide holes are formed in the lower part of one side of the first movable plate 3196 at intervals; the waist round guide holes are formed in the vertical direction; the plurality of suction cup mounting strips 3193 are arranged side by side between the two first movable plates 3196, and an upper connecting block 31931 is integrally connected at each end of the top of each suction cup mounting strip 3193; a first connecting shaft 31932 is further mounted on the upper connecting block 31931, and a first guide wheel 31933 is integrally connected at one end of the first connecting shaft 31932; the first guide wheel 31933 is movably arranged in the waist round guide hole; a lower connecting block 31934 is integrally connected at each end of the bottom of each suction cup mounting strip 3193, and a second connecting shaft 31935 is further mounted on the lower connecting block 31934; a second mounting hole is further formed in the lower part of one side of the bearing mounting plate 3194, and a first bearing 31936 is further mounted in the second mounting hole; the second connecting shaft 31935 is connected with the first bearing 31936; a plurality of keycap assembling blocks 31937 are mounted on the bottom of the suction cup mounting strip 3193 at intervals in the length direction, and a profiled clamping groove is further formed in the bottom of the keycap assembling block 31937; a vacuum suction hole is formed in the profiled clamping groove.

[0038] The number of suction disc mounting strips 3193 is six, the number and shape of the keycap assembly blocks 31937 at the bottom of the suction disc mounting strips 3193 are consistent with those of the real keycaps (some special keys need to be additionally and separately mounted), the profiled clamping grooves at the bottom of the keycap assembly blocks 31937 are matched with the shape of the keycaps, the vacuum suction holes can generate a vacuum suction force to firmly suction the keycaps on the keycap assembly blocks 31937, and the stability of the keycaps during the grabbing and assembling process is ensured; at the same time, during the assembling process, the third translation mechanism 3192 can drive the adjustment translation plate 3195 to move, and when the adjustment translation plate 3195 moves, the first guide wheel 31933 can be driven to move through the waist round guide hole, and then the upper part of the suction disc mounting strip 3193 can be pushed through the first connecting shaft 31932, and the lower part of the suction disc mounting strip 3193 is rotationally connected with the bearing mounting plate 3194 through the second connecting shaft 31935 and the first bearing 31936, so that when the upper part of the suction disc mounting strip 3193 is subjected to force, the suction disc mounting strip 3193 is driven to swing, and the assembly angle of the keycap assembly block 31937 is adjusted to smoothly assemble the keycaps. In addition, in order to ensure the consistency of the installation positions of the plurality of suction disc mounting strips 3193, an equal-height washer 31938 is further sleeved on the second connecting shaft 31935, and the equal-height washer 31938 is located between the lower connecting block 31934 and the first bearing 31936.

[0039] Preferably, in this embodiment, the secondary positioning mechanism 32 comprises a positioning bottom plate 321, a positioning lifting mechanism 322 mounted on the positioning bottom plate 321, a positioning lifting seat 323 connected with the positioning lifting mechanism 322, and a profiled suction plate 324 connected to the top of the positioning lifting seat 323; the top of the profiled suction plate 324 is integrally connected with a suction support 325, and the top of the suction support 325 is further provided with a keycap profiled groove; the keycap profiled groove is provided with a first mounting hole, and the first mounting hole is further provided with a positioning suction nozzle 326; the top of the positioning bottom plate 321 is connected with a connecting upright plate 328 at each end, and the top of the two connecting upright plates 328 is further connected with a keyboard profiled plate 329; the keyboard profiled plate 329 is located above the profiled suction plate 324, and the keyboard profiled plate 329 is further provided with a keycap profiled hole corresponding to the suction support 325.

[0040] The keyboard profiling plate 329 simulates a real keyboard, and a plurality of keycap profiling holes are arranged according to the number and positions of the real keys. The keycap profiling groove at the top of the adsorption support 325 is used to support the keycap. The first gas source connector 1213 327 can be connected to a negative pressure gas source to adsorb and limit the keycap through the positioning suction nozzle 326. The positioning lifting mechanism 322 can drive the positioning lifting seat 323 to move up and down, thereby adjusting the position of the adsorption support 325. In this embodiment, the positioning lifting mechanism 322 adopts a transmission mode of a motor lead screw. To improve the stability of the lifting of the positioning lifting seat 323, two first through holes are also arranged at the top of the positioning bottom plate 321, and one slide rail fixing plate 320 is connected to the inner wall of one side of each first through hole. Each slide rail fixing plate 320 is also provided with a second guide rail assembly on one side in the vertical direction, and the two ends of the positioning lifting seat 323 are respectively connected to a second guide rail assembly in a sliding manner.

[0041] In addition, the assembly table mechanism 33 comprises an assembly fixing frame 331 and an assembly platform 332 installed at the top of the assembly fixing frame 331. The top of the assembly platform 332 is provided with a first vacuum chuck 333. The top of the assembly platform 332 is also provided with a first positioning pin 334. The top of the assembly platform 332 is also provided with a magnet 335. The assembly table mechanism 33 further comprises an assembly cleaning assembly. The assembly cleaning assembly comprises a cleaning mounting seat arranged on one side of the assembly fixing frame 331, a fixed vertical rod 336 installed on the cleaning mounting seat, a cleaning air blowing seat 337 installed on the fixed vertical rod 336, and a bamboo joint nozzle 338 installed on one side of the cleaning air blowing seat 337. The first vacuum chuck 333 on the assembly platform 332 is used to adsorb the keyboard frame placed thereon, so as to ensure that it is stable during the assembly of the keycap. The first positioning pin 334 is used to quickly position the keyboard frame. The magnet 335 is provided with a plurality of keycaps arranged corresponding to the balance bars needed to be installed, which can preliminarily adsorb the balance bars, so as to avoid assembly failure caused by movement during the assembly of the keycap. The bamboo joint nozzle 338 can blow air outward to clean the dust and impurities on the assembly platform 332, so as to ensure that the keyboard frame can be placed flat on the assembly platform 332 and improve the assembly precision of the keycap.

[0042] In an embodiment, the balance bar assembling machine 5 comprises a first conveying line 53, a balance bar assembling machine 5 structure arranged on one side of the first conveying line 53, and a balance bar feeding mechanism 51 arranged on the other side of the first conveying line 53; one end of the first conveying line 53 is further arranged with a balance bar re-inspection mechanism 54; the first conveying line 53 comprises a plurality of first conveying mechanisms which are connected to each other in a head-to-tail manner; the first conveying mechanism comprises two first conveying frames arranged in parallel and at intervals, and a first jacking mechanism arranged between the two first conveying frames; each first conveying frame is installed with a first conveying belt module and a first conveying motor assembly connected with the first conveying belt module; one end between the two first conveying frames is further arranged with a first blocking mechanism.

[0043] The first conveying line 53 comprises four first conveying mechanisms, the first conveying mechanism at one end is connected to an upstream conveying line to connect a keyboard frame to be assembled with a balance bar, and the first conveying mechanism at the other end is connected to a downstream conveying line to convey the keyboard assembled with the balance bar to a next process; in order to improve work efficiency, the balance bar assembling machine 5 structure and the balance bar feeding mechanism 51 are each provided with three groups, which are arranged on both sides of a first conveying mechanism respectively; when a keyboard frame flows into the first conveying line 53 to reach a predetermined assembly station, the first blocking mechanism (including a blocking air cylinder) stops the keyboard frame, then the first jacking mechanism (including a jacking air cylinder, etc.) jacks up the keyboard frame, the balance bar assembling machine 5 structure clamps a balance bar from the balance bar feeding mechanism 51 and assembles the balance bar into a corresponding hole position of the keyboard frame, then the first jacking mechanism puts the keyboard frame back onto the first conveying line 53, the first blocking mechanism releases the keyboard frame, and the first conveying line 53 conveys the keyboard frame to the balance bar re-inspection mechanism 54, the balance bar re-inspection mechanism 54 performs visual inspection on the keyboard frame, and after the inspection is qualified, the first conveying line 53 conveys the keyboard frame to a next process.

[0044] Preferably, the balance bar assembling machine 5 comprises a first stand 521, a first mechanical arm 522 mounted on the top of the first stand 521, and an assembling mounting plate 523 connected with the first mechanical arm 522; the bottom of the assembling mounting plate 523 is also provided with an assembling clamping cylinder 524, and the assembling clamping cylinder 524 is further drivenly connected with two assembling clamping seats 525; each of the two assembling clamping seats 525 is provided with a set of assembling clamping blocks 526 on the opposite side, and each of the lower parts of the opposite sides of the two assembling clamping blocks 526 is provided with an assembling clamping groove 527; and one side of the assembling clamping cylinder 524 is also provided with a side limiting assembly 528 for limiting the balance bar. In this embodiment, the first mechanical arm 522 can be an existing free mechanical arm, which can drive the assembling clamping cylinder 524 to move in three-dimensional space, and the assembling clamping cylinder 524 can drive the two assembling clamping seats 525 to move close to or away from each other, so as to clamp the balance bar from the balance bar feeding mechanism 51 through the assembling clamping blocks 526 and assemble it into the corresponding hole position of the keyboard frame; at the same time, each of the lower parts of the opposite sides of the two assembling clamping blocks 526 is provided with an assembling clamping groove 527, which can enable the assembling clamping blocks 526 to firmly clamp the balance bar, so as to avoid the balance bar from falling during movement, and in addition, the side limiting assembly 528 is also provided to limit the side of the balance bar, thereby ensuring the stability of the balance bar movement.

[0045] At the same time, one side of the assembling clamping seat 525 is inclined downward to form a first mounting groove, and the lower part of the first mounting groove penetrates to the bottom of the assembling clamping seat 525; the other side of the assembling clamping seat 525 is also provided with a first mounting hole penetrating into the first mounting groove, and a cup head screw 529 is mounted in the first mounting hole; and the assembling clamping block 526 is arranged in the first mounting groove and mounted on the cup head screw 529. With this structure design, the assembling clamping block 526 can be conveniently mounted and fixed on the assembling clamping seat 525, and the assembling and disassembling are convenient, and the corresponding assembling clamping block 526 can be quickly replaced for balance bars of different types and sizes, which has strong versatility; at the same time, the bottom of the assembling clamping block 526 further extends downward to form an assembling clamping plate 520, and the assembling clamping groove 527 is formed on the lower part of one side of the assembling clamping plate 520. The shape and size of the assembling clamping groove 527 can be designed according to the specific shape and size of the balance bar, so as to realize accurate clamping of the balance bar.

[0046] Further, the side limiting assembly 528 comprises a limiting mounting plate connected to one side of the assembling clamping air cylinder 524; the bottom of the limiting mounting plate is further integrally connected with a side limiting block; the side limiting block is in L-shaped structure, and the L-shaped transverse end of the side limiting block extends to the position between the two assembling clamping seats 525; the L-shaped transverse end of the side limiting block is further connected with a side limiting baffle. The side limiting baffle is used for limiting the balance bar in the lateral direction during clamping and assembling the balance bar, and can provide more reliable lateral support for the balance bar to prevent the balance bar from being deviated in the lateral direction during clamping and assembling.

[0047] In an embodiment, the balance bar feeding mechanism 51 comprises a first feeding frame 511, a feeding support 512 mounted on the top of the first feeding frame 511, a feeding bottom plate 513 connected to the top of the feeding support 512, and a feeding push plate 514 slidingly arranged at one end of the top of the feeding bottom plate 513; the top of the feeding bottom plate 513 is further provided with a feeding fixing seat 515, and one side of the feeding fixing seat 515 is further connected with a feeding bin plate 516 in the vertical direction, and the balance bar is movably sleeved on the feeding bin plate 516; one end of the feeding push plate 514 extends to the bottom of the feeding bin plate 516, and the top of one end of the feeding push plate 514 is further provided with a first clamping groove for accommodating the balance bar; the bottom of the feeding bottom plate 513 is further provided with a feeding translation air cylinder 517 connected with the feeding push plate 514.

[0048] In order to improve the assembly efficiency, in this embodiment, the balance bar feeding mechanism 51 comprises four feeding modules, each feeding module comprising the feeding push plate 514, the feeding bin plate 516, the feeding translation air cylinder 517 and related components as described above, and the balance bars are stacked on the feeding bin plate 516, and the feeding bin plate 516 is further movably sleeved with a bin pressing block 5182 located at the top of the stacked balance bars, for driving the balance bars to move downward along the feeding bin plate 516 under the action of gravity, while the feeding push plate 514 slides under the drive of the feeding translation air cylinder 517, and the first clamping groove is used to catch the balance bar falling from the feeding bin plate 516 and push it forward to the feeding position, waiting for the balance bar assembling machine 5 to clamp and take the balance bar.

[0049] Preferably, in this embodiment, the other end of the top of the feeding base plate 513 is also provided with a hopper base 518, and the feeding fixing seat 515 is installed at the top end of the hopper base 518; the top of the hopper base 518 is provided with a first guide groove along the length direction thereof, and one end of the feeding push plate 514 is inserted into the first guide groove; the end of the feeding push plate 514 is also provided with a first notch, and the other end of the top of the hopper base 518 is also provided with a first proximity switch 5181 corresponding to the first notch. When the feeding push plate 514 moves, the first guide groove plays a guiding role, and the first proximity switch 5181 can detect whether the feeding push plate 514 moves the balance bar to a predetermined feeding position, so as to control the balance bar assembly machine 5 to clamp the balance bar, at the same time, the other end of the top of the hopper base 518 is provided with a second notch on each side, and the second notch plays a position avoiding role, which facilitates the assembly clamping cylinder 524 to drive the two assembly clamping blocks 526 to clamp the balance bar.

[0050] In addition, the top of the feeding base plate 513 is provided with a first linear rail assembly along the length direction thereof, and the first linear rail assembly is also provided with a linear rail connecting seat 519 slidingly arranged thereon; the feeding push plate 514 is installed on the linear rail connecting seat 519; the output shaft of the feeding translation cylinder 517 is also connected with a cylinder connecting block 5171, and the upper portion of the cylinder connecting block 5171 is connected with one side of the linear rail connecting seat 519. The first linear rail assembly and the linear rail connecting seat 519 are provided, which further improves the movement precision and stability of the feeding push plate 514, at the same time, the top of the feeding base plate 513 is also connected with a cylinder limiting block 5172 at one end of the first linear rail assembly, and the cylinder limiting block 5172 is also provided with a limiting screw 5173. The limiting screw 5173 is used for limiting the movement stroke of the feeding push plate 514, which improves the safety of operation, in addition, the balance bar feeding mechanism 51 also comprises a hopper partition plate arranged on one side of the feeding hopper plate 516, which can avoid the balance bar assembly machine 5 from colliding with the feeding hopper plate 516 when moving, thereby improving the safety of equipment operation.

[0051] In an embodiment, the special key assembling machine 6 comprises a positioning table mechanism 61, a workbench mechanism 62 arranged at one end of the positioning table mechanism 61, and a special key assembling mechanism 6 arranged at one side of the workbench mechanism 62; the workbench mechanism 62 comprises a movement driving mechanism, a first movement frame connected with the movement driving mechanism, and a mounting platform mounted on the first movement frame; a vacuum suction disc and a mounting positioning pin are further mounted on the top of the mounting platform; a platform cleaning assembly 64 is further arranged at one side of the movement driving mechanism; the special key assembling mechanism 6 comprises a first mounting frame 631, a Y-axis translation mechanism 632 mounted on the first mounting frame 631 in the translation direction of the movement driving mechanism, an X-axis translation mechanism 633 connected with the Y-axis translation mechanism 632, and a Z-axis lifting mechanism 634 connected with the X-axis translation mechanism 633; the Z-axis lifting mechanism 634 is further drivingly connected with a Z-axis lifting frame 635; the Z-axis lifting frame 635 is arranged above the mounting platform, and a backspace key assembling mechanism 636 and a direction key assembling mechanism are further mounted on the bottom of the Z-axis lifting frame 635.

[0052] The positioning table mechanism 61 is similar to the secondary positioning mechanism 32 of the standard key assembling machine, and is used for positioning the keys to be assembled (in this device, mainly the four direction keys, the backspace key and the Ctrl key); after positioning, the special key assembling mechanism 6 moves and loads the corresponding keys and assembles them to the corresponding positions on the keyboard frame; the movement driving mechanism (which adopts a motor-screw transmission mode) in the workbench mechanism 62 (which is equivalent to the assembling table mechanism 33 of the standard key assembling machine) drives the first movement frame and the mounting platform to move, so that the keyboard reaches the preset assembling position; the vacuum suction disc on the mounting platform can suck the keyboard frame to prevent it from moving during the assembling of the keys, thereby improving the assembling precision; at the same time, the platform cleaning assembly 64 can clean the assembling platform 332 before each assembling to remove dust and other impurities, thereby ensuring that the keyboard frame is placed flat on the assembling platform 332; the Y-axis translation mechanism 632, the X-axis translation mechanism 633 and the Z-axis lifting mechanism 634 of the special key assembling mechanism 6 all adopt existing linear modules; under the cooperation of the three, the backspace key assembling mechanism 636 and the direction key assembling mechanism can be driven to move and lift, thereby facilitating the assembling of the corresponding keys; in addition, in this embodiment, the bottom of the Z-axis lifting frame 635 is further provided with a Ctrl key assembling mechanism; the structure and working principle of the Ctrl key assembling mechanism are similar to those of the backspace key assembling mechanism 636 (for reference, the working principle of the backspace key assembling mechanism 636 is described below), which will not be described here.

[0053] Preferably, the return key assembling mechanism 636 comprises a first mounting base 6361 connected to one end of the bottom of the Z-axis lifting frame 635, a first lifting cylinder 6362 mounted at the bottom of the first mounting base 6361, a first lifting seat 6363 connected with the first lifting cylinder 6362, a first assembling seat 6364 mounted at one side of the bottom of the first lifting seat 6363, and a first pressing assembly mounted at the other side of the bottom of the first lifting seat 6363; the bottom of the first assembling seat 6364 is obliquely upwardly provided with a first clamping groove in the direction of the first pressing assembly, and a first vacuum suction nozzle 6365 is further mounted in the first clamping groove; the first pressing assembly comprises a first pressing cylinder 6366 connected to the bottom of the first lifting seat 6363, and a first pressing plate 6367 connected with the first pressing cylinder 6366; one side of the first assembling seat 6364 is vertically provided with a first guide groove penetrating into the first clamping groove, and one side of the first pressing plate 6367 is inserted into the first guide groove; the bottom of one side of the first pressing plate 6367 inserted into the first guide groove is further connected with a first pressing block 6368.

[0054] The first vacuum suction nozzle 6365 is mounted in the first clamping groove at the bottom of the first assembling seat 6364, which can grab the return key by vacuum adsorption, and then drive the first lifting seat 6363 to descend under the drive of the first lifting cylinder 6362, so as to assemble the key to the corresponding position of the keyboard, meanwhile, the first clamping groove is obliquely upwardly provided, so that one side of the key can be first mounted on the corresponding position of the keyboard during assembly, and then the first pressing plate 6367 is driven to descend by the first pressing cylinder 6366, so as to press the other side of the key to the corresponding position of the keyboard through the first pressing block 6368, thereby improving the assembly efficiency and precision.

[0055] The direction key assembling mechanism comprises a first assembling module 637 and a second assembling module 638 arranged on one side of the first assembling module 637; the first assembling module 637 comprises a second lifting cylinder 6371 connected to the bottom of the Z-axis lifting frame 635, a second lifting seat 6372 connected to the second lifting cylinder 6371, and a second assembling seat 6373 connected to one side of the bottom of the second lifting seat 6372; the bottom of the second assembling seat 6373 is also inclined and upwardly provided with three second clamping grooves, and a second suction nozzle 6374 is also mounted in each second clamping groove; two second pressing cylinders 6375 are also mounted on the other side of the bottom of the second lifting seat 6372, and each second pressing cylinder 6375 is drivingly connected with a second pressing plate 6376; two second guide grooves penetrating into the second clamping grooves are also formed in the second assembling seat 6373 in the vertical direction, one side of each second pressing plate 6376 is inserted into one second guide groove, and a second pressing block 6377 is also connected to the bottom of one side of each second pressing plate 6376; a third pressing cylinder 6378 is also mounted at one end of the bottom of the second lifting seat 6372, and the third pressing cylinder 6378 is also drivingly connected with a third pressing plate 6379; a third guide groove penetrating into the second clamping groove is also formed in the second assembling seat 6373 in the vertical direction at one end, one side of the third pressing plate 6379 is inserted into the third guide groove, and a third pressing block 6370 is also connected to the bottom of one side of the third pressing plate 6379.

[0056] The three second suction nozzles 6374 are respectively used for sucking and assembling the left direction key, the down direction key and the right direction key, the assembling process is referred to the above-described carriage key assembling mechanism 636, and will not be described here in detail, and the second assembling module 638 is used for assembling the up direction key, the structure and working principle of the second assembling module 638 are similar to those of the first assembling module 637, and will not be described here in detail.

[0057] The keycap feeding machine and the keycap discharging machine 4 are similar, and the following will take the keycap discharging machine 4 as an example to illustrate the structural principle. The device comprises a discharging conveying line. Specifically, the discharging conveying line comprises two discharging bottom plates 41. The two discharging bottom plates 41 are arranged in parallel and at intervals, and two discharging supports 42 are further connected between the top portions of the two discharging bottom plates 41. The two discharging supports 42 are arranged in parallel and at intervals, and a discharging conveying belt module is further installed on the opposite sides of the two discharging supports 42. A discharging jacking mechanism is further installed between the two discharging supports 42, and a distribution mechanism 44 is further installed on each discharging support 42 on one side of the discharging jacking mechanism. A front guide plate 45 is further installed on each end of the top portion of one of the discharging supports 42 on one side of the discharging jacking mechanism, and a rear guide plate 46 is further installed on each end of the top portion of the other discharging support 42 on the other side of the discharging jacking mechanism. The front guide plate 45 and the rear guide plate 46 are arranged in the vertical direction. A strip-shaped hole is further formed in one side of the rear guide plate 46 in the vertical direction, and a photoelectric sensor is further installed on the rear guide plate 46 at a position corresponding to the strip-shaped hole.

[0058] In this embodiment, the discharging conveying belt module is used to connect the empty carrier and transmit it to the discharging jacking mechanism. The discharging jacking mechanism can jack up the carrier to make it separate from the discharging conveying line, and the distribution mechanism 44 can support the carrier and stack it gradually. At the same time, the front guide plate 45 and the rear guide plate 46 are provided to guide and limit the empty carrier when it is stacked, so as to avoid the shaking of the carrier. In addition, the photoelectric sensor installed on the rear guide plate 46 is used to detect the position of the carrier.

[0059] Specifically, the distribution mechanism 44 comprises a cylinder connecting plate connected to the other side of the discharging support 42, a distribution translation cylinder installed on the cylinder connecting plate, and a distribution vertical plate connected to the distribution translation cylinder. The distribution vertical plate is arranged above the discharging support 42, and a distribution insertion plate is further connected to the bottom portion of the distribution vertical plate. When the carrier is jacked up by the discharging jacking mechanism, the distribution translation cylinder can drive the distribution vertical plate to move the distribution insertion plate to the bottom portion of the carrier to hold the carrier. Then the discharging jacking mechanism is reset to jack up another carrier. At this time, the distribution translation cylinder drives the distribution insertion plate to retract, and the carrier on the distribution insertion plate is stacked on the carrier on the discharging jacking mechanism. Subsequently, the discharging jacking mechanism drives the carrier to rise by one stroke, the distribution translation cylinder drives the distribution insertion plate to move to the bottom portion of the carrier to hold the carrier, and the above-mentioned operation is repeated to complete the stacking and discharging of the carrier. In addition, a distribution stopper is further connected to the lower portion of one side of the distribution vertical plate, which can limit the side portion of the carrier.

[0060] Meanwhile, the top of one of the blanking supports 42 is also provided with two first guide stands 47, and the front guide plate 45 is arranged on the first guide stands 47; the top of the other blanking support 42 is also provided with two second guide stands 48, and the rear guide plate 46 is arranged on the second guide stands 48; one side of the rear guide plate 46 is also provided with a first guide strip 49 in the vertical direction; the cross section of the first guide strip 49 is in a triangular prism structure, and two inclined surfaces of the first guide strip 49 are respectively close to the rear guide plate 46 and the second guide stand 48. The structure design can make the first guide strip 49 form a stable guide channel, guide and limit the stacked empty carriers, and avoid the carriers from shaking or deviating.

[0061] In addition, the first guide sleeve is arranged on one of the blanking supports 42; the second conveying line further comprises an adjusting guide rod 43, the adjusting guide rod 43 is movably arranged through the first guide sleeve, and one end of the adjusting guide rod 43 is connected with the other blanking support 42, so that the distance between the two blanking supports 42 can be conveniently adjusted, thereby adapting to the blanking requirements of the carriers of different specifications of keycaps, and the universality is high; after the distance between the two blanking supports 42 is adjusted, a screw is locked in the hole position at the bottom of the blanking support 42, and the blanking support 42 is fixed on the blanking bottom plate 41.

[0062] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An automated production line for the assembly of a keyboard, characterized in that, The application relates to a keyboard assembly machine, which comprises a balance strip assembling machine, a standard key assembling machine arranged at one end of the balance strip assembling machine, and a special key assembling machine arranged at one end of the standard key assembling machine; a first transition conveying line is further arranged between the balance strip assembling machine and the standard key assembling machine, a second transition conveying line is further arranged between the standard key assembling machine and the special key assembling machine; a key cap feeding machine is further arranged on one side of the standard key assembling machine, and a key cap discharging machine is further arranged on one side of the special key assembling machine; a third transition conveying line is further arranged between the standard key assembling machine and the special key assembling machine.

2. The automated production line for keyboard assembly according to claim 1, characterized in that, The standard key assembling machine comprises a key cap feeding device, a keyboard feeding device and a key cap assembling device; the keyboard feeding device is arranged on one side of the key cap feeding device; the key cap assembling device comprises a secondary positioning mechanism arranged between the key cap feeding device and the keyboard feeding device, an upper visual detection mechanism arranged above the key cap feeding device, an assembling table mechanism arranged on one side of the keyboard feeding device, and a balance strip detection mechanism and a key cap assembling mechanism arranged above the assembling table mechanism; the key cap feeding device comprises a key cap conveying mechanism and a key cap transfer mechanism; the key cap transfer mechanism comprises a key cap transfer module arranged above the key cap conveying mechanism, and a key cap jacking mechanism is further arranged on the key cap conveying mechanism; the key cap conveying mechanism comprises two key cap conveying frames, and a key cap blocking mechanism is further arranged on one end between the two key cap conveying frames; the two key cap conveying frames are arranged in parallel and at intervals, and a key cap conveying belt module is arranged on each of the opposite sides of the two key cap conveying frames; a first motor assembly for driving the key cap conveying belt module to operate is further arranged on each of the key cap conveying frames; two avoiding grooves are formed at the top of the key cap conveying frame, and the part of the key cap conveying belt module arranged below one side of the avoiding grooves.

3. The automated production line for keyboard assembly according to claim 2, characterized in that, Another side of each of the key cap conveying frames is connected with a lifting mounting plate, and one side of the lifting mounting plate is provided with a key cap lifting guide rail in a vertical direction; the key cap lifting mechanism comprises a key cap lifting support plate and two key cap lifting cylinders; the two key cap lifting cylinders are respectively mounted on one side of the lifting mounting plate; the key cap lifting support plate is in a rectangular hollow structure, and two bottom sides of the key cap lifting support plate are respectively connected with a key cap lifting cylinder; two ends of the key cap lifting support plate are arranged through the position avoiding slot; two bottom sides of the key cap lifting support plate are further connected with a lifting connecting plate, and the lifting connecting plate is slidingly arranged on the key cap lifting guide rail; a key cap limiting seat is further connected with each of the key cap conveying frames at a portion between the two position avoiding slots; the key cap limiting seat is in an L-shaped structure, and the L-shaped vertical end bottom of the key cap limiting seat is connected with the top of the key cap conveying frame, and the L-shaped horizontal end of the key cap limiting seat is arranged above one side of the lifting support plate; the key cap blocking mechanism comprises a blocking mounting seat connected with one side of one of the key cap conveying frames, a cylinder guide seat connected with one side of the blocking mounting seat, and a first blocking cylinder mounted on the bottom of the cylinder guide seat; the top of the cylinder guide seat is provided with a blocking guide hole penetrating to the bottom thereof, and the output shaft of the first blocking cylinder is further connected with a blocking telescopic block; the upper part of the blocking telescopic block is movably arranged through the blocking guide hole, and one side of the upper part of the blocking telescopic block is further connected with a first blocking block; the key cap transfer mechanism comprises a key cap translation slide plate, a key cap Z-axis mechanism arranged below the key cap conveying mechanism, and a key cap lifting chassis connected with the key cap Z-axis mechanism; the top of the key cap lifting chassis is connected with a key cap connecting support at two ends, and the top of one of the key cap connecting supports is provided with a key cap Y-axis mechanism, and the top of the other key cap connecting support is provided with a key cap guide slide rail; the key cap translation slide plate is arranged above the key cap conveying mechanism in the conveying direction of the key cap conveying mechanism, and one end of the key cap translation slide plate is connected with the key cap Y-axis mechanism, and the other end of the key cap translation slide plate is slidingly arranged on the key cap guide slide rail; the key cap transfer module is mounted on the bottom of the key cap translation slide plate; the key cap transfer module comprises a key cap suction plate mounted on the bottom of the key cap translation slide plate, a key cap transfer suction nozzle mounted on the bottom of the key cap suction plate, and a first gas source connector mounted on one end of the key cap suction plate and communicated with the key cap transfer suction nozzle.

4. The automated production line for keyboard assembly according to claim 3, characterized in that, The keyboard feeding device comprises a keyboard conveying line and a keyboard transfer mechanism; the keyboard transfer mechanism comprises a keyboard sliding bottom plate, a keyboard Z-axis mechanism, and a keyboard lifting frame connected with the keyboard Z-axis mechanism; the top of the keyboard lifting frame is connected with a keyboard connecting vertical frame at two ends, and the top of one of the keyboard connecting vertical frames is provided with a keyboard Y-axis mechanism, and the top of the other keyboard connecting vertical frame is further provided with a first slide rail module; one end of the keyboard sliding bottom plate is slidingly arranged on the first slide rail module, and the other end of the keyboard sliding bottom plate is connected with the keyboard Y-axis mechanism; the bottom of the keyboard sliding bottom plate is provided with a keyboard transfer module; The keyboard conveying line is arranged through the two keyboard connecting vertical frames, and the keyboard conveying line is below the keyboard transfer module; the keyboard conveying line is further provided with a keyboard lifting mechanism and a keyboard blocking mechanism; The keyboard moving module comprises a first suction plate installed at the bottom of the keyboard sliding bottom plate, a second suction plate installed at the bottom of the first suction plate, and a first keyboard suction nozzle installed at the bottom of the second suction plate; the bottom of the first suction plate is provided with adjusting mounting holes at both ends and one side of the second suction plate, and a profiling key adjusting assembly is further installed in the adjusting mounting holes; the inner walls of both ends of the adjusting mounting holes are each provided with a bearing step; the profiling key adjusting assembly comprises a profiling key fixed block, a profiling key lifting block, two lifting guide columns, and a limiting transverse plate; the two ends of the profiling key fixed block are each installed on a bearing step, and the two ends in the profiling key fixed block are each further installed with a lifting guide sleeve; the two lifting guide columns are respectively movably arranged through a lifting guide sleeve; the top of the profiling key lifting block is connected with the bottom of the two lifting guide columns, and the bottom of the limiting transverse plate is connected with the top of the two lifting guide columns; the bottom of the profiling key lifting block is further provided with a balance strip profiling groove; the outer wall of the lifting guide column is further provided with a first spring, and the two ends of the first spring are respectively in contact with the bottom of the profiling key fixed block and the top of the profiling key lifting block; the profiling key adjusting assembly further comprises a limiting screw installed on the limiting transverse plate in the vertical direction; the bottom of the profiling key lifting block is further provided with a second keyboard suction nozzle; one side of the keyboard sliding bottom plate is further provided with a brush cleaning assembly; the brush cleaning assembly comprises a brush lifting cylinder installed on one side of the keyboard sliding bottom plate, a brush lifting plate connected with the brush lifting cylinder, and a cleaning brush installed on one side of the brush lifting plate.

5. The automated production line for keyboard assembly according to claim 2, characterized in that, The keycap assembling mechanism comprises two assembling vertical frames and an assembling sliding frame; the two assembling vertical frames are arranged in parallel and at intervals, and the top of each of the two assembling vertical frames is provided with a first guide rail assembly; the bottom of the assembling sliding frame is slidingly arranged on each of the first guide rail assemblies; one side of one of the assembling vertical frames is further provided with a first translation mechanism, and the first translation mechanism is further drivingly connected with a first moving seat; the top of the first moving seat is connected with the bottom of the assembling sliding frame; one side of the assembling sliding frame is further provided with a second translation mechanism, and the second translation mechanism is further drivingly connected with an assembling sliding plate; one side of the assembling sliding plate is provided with a first lifting mechanism, and the first lifting mechanism is further drivingly connected with an assembling lifting frame; the bottom of the assembling lifting frame is further provided with a keycap assembling module; the keycap assembling module comprises an assembling connecting plate, a third translation mechanism and a plurality of suction disc mounting strips; the assembling connecting plate is connected to the bottom of the assembling lifting frame, and the bottom of the assembling connecting plate is connected with a bearing mounting plate at each end; the third translation mechanism is mounted on the bottom of the assembling connecting plate along the moving direction of the first translation mechanism, and the third translation mechanism is further drivingly connected with an adjusting translation plate; the adjusting translation plate is located between the two bearing mounting plates, and the bottom of the adjusting translation plate is further connected with a first movable plate at each end; a plurality of waist round guide holes are arranged at intervals in the lower part of one side of the first movable plate in the vertical direction; the plurality of suction disc mounting strips are arranged side by side between the two first movable plates, and an upper connecting block is integrally connected at each end of the top of each of the suction disc mounting strips; a first connecting shaft is further mounted on the upper connecting block, and a first guide wheel is integrally connected to one end of the first connecting shaft; the first guide wheel is movably arranged in the waist round guide hole; a lower connecting block is integrally connected at each end of the bottom of each of the suction disc mounting strips, and a second connecting shaft is further mounted on the lower connecting block; a second mounting hole is further formed in the lower part of one side of the bearing mounting plate, and a first bearing is further mounted in the second mounting hole; the second connecting shaft is connected with the first bearing; a plurality of keycap assembling blocks are mounted at intervals on the bottom of the suction disc mounting strip in the length direction, and a profiled clamping groove is further formed in the bottom of the keycap assembling block; a vacuum suction hole is formed in the profiled clamping groove; an equal-height washer is further sleeved on the second connecting shaft; and the equal-height washer is located between the lower connecting block and the first bearing.

6. The automated production line for keyboard assembly according to claim 2, wherein, The secondary positioning mechanism comprises a positioning base plate, a positioning lifting mechanism mounted on the positioning base plate, a positioning lifting seat connected with the positioning lifting mechanism, and a profiling suction plate connected to the top of the positioning lifting seat; the top of the profiling suction plate is integrally connected with a suction support, and the top of the suction support is also provided with a keycap profiling groove; the keycap profiling groove is provided with a first mounting hole, and the first mounting hole is also provided with a positioning suction nozzle; the top of the positioning base plate is connected with a connecting vertical plate at each end, and the top of the two connecting vertical plates is also connected with a keyboard profiling plate; the keyboard profiling plate is located above the profiling suction plate, and the keyboard profiling plate is also provided with a keycap profiling hole corresponding to the suction support; the top of the positioning base plate is also provided with two first through holes, and the inner wall of each first through hole is also connected with a slide rail fixed plate; each slide rail fixed plate is also provided with a second guide rail assembly on one side in the vertical direction, and the two ends of the positioning lifting seat are respectively connected with a second guide rail assembly in a sliding manner; the assembly table mechanism comprises an assembly fixing frame and an assembly platform mounted on the top of the assembly fixing frame; the top of the assembly platform is provided with a first vacuum suction cup; the top of the assembly platform is also provided with a first positioning pin; the top of the assembly platform is also provided with a magnet; the assembly table mechanism further comprises an assembly cleaning assembly; the assembly cleaning assembly comprises a cleaning mounting seat arranged on one side of the assembly fixing frame, a fixed vertical rod mounted on the cleaning mounting seat, a cleaning blowing seat mounted on the fixed vertical rod, and a bamboo joint nozzle mounted on one side of the cleaning blowing seat.

7. The automated production line for keyboard assembly according to claim 1, wherein, The balance bar assembly machine comprises a first conveying line, a balance bar assembly mechanism arranged on one side of the first conveying line, and a balance bar feeding mechanism arranged on the other side of the first conveying line; one end of the first conveying line is also provided with a balance bar reinspection mechanism; the first conveying line comprises a plurality of first conveying mechanisms connected with each other in a head-to-tail manner; the first conveying mechanism comprises two first conveying frames arranged in parallel and spaced apart, and a first jacking mechanism arranged between the two first conveying frames; each first conveying frame is provided with a first conveying belt module and a first conveying motor assembly connected with the first conveying belt module; one end between the two first conveying frames is also provided with a first blocking mechanism.

8. The automated production line for keyboard assembly according to claim 7, characterized in that, The balance bar assembly mechanism comprises a first stand, a first mechanical arm mounted on the top of the first stand, and an assembly mounting plate connected with the first mechanical arm; the bottom of the assembly mounting plate is also provided with an assembly clamping cylinder, and the assembly clamping cylinder is also drivenly connected with two assembly clamping seats; one assembly clamping block is mounted on the opposite side of each of the two assembly clamping seats, and an assembly clamping groove is formed in the lower part of the opposite side of each of the two assembly clamping blocks; a side limiting component for limiting the balance bar is also mounted on one side of the assembly clamping cylinder; the side limiting component comprises a limiting mounting plate connected to one side of the assembly clamping cylinder; the bottom of the limiting mounting plate is also integrally connected with a side limiting block; the side limiting block is in an L-shaped structure, and the L-shaped transverse end of the side limiting block extends between the two assembly clamping seats; a side limiting baffle is also connected to the end of the L-shaped transverse end of the side limiting block.

9. The automated production line for keyboard assembly according to claim 1, characterized in that, The special key assembling machine comprises a positioning table mechanism, a workbench mechanism arranged at one end of the positioning table mechanism, and a special key assembling mechanism arranged at one side of the workbench mechanism; the workbench mechanism comprises a moving driving mechanism, a first moving frame connected with the moving driving mechanism, and a mounting platform mounted on the first moving frame; a vacuum suction disc and a mounting positioning pin are further mounted on the top of the mounting platform; a platform cleaning assembly is further arranged at one side of the moving driving mechanism; the special key assembling mechanism comprises a first mounting frame, a Y-axis translation mechanism mounted on the first mounting frame in the translation direction of the moving driving mechanism, an X-axis translation mechanism connected with the Y-axis translation mechanism, and a Z-axis lifting mechanism connected with the X-axis translation mechanism; the Z-axis lifting mechanism is further drivingly connected with a Z-axis lifting frame; the Z-axis lifting frame is arranged above the mounting platform, and a backspace key assembling mechanism and a direction key assembling mechanism are further mounted on the bottom of the Z-axis lifting frame.

10. The automated production line for keyboard assembly according to claim 9, characterized in that, The backspace key assembling mechanism comprises a first mounting seat connected at one end of the bottom of the Z-axis lifting frame, a first lifting cylinder mounted at the bottom of the first mounting seat, a first lifting seat connected with the first lifting cylinder, a first assembling seat mounted at one side of the bottom of the first lifting seat, and a first pressing assembly mounted at the other side of the bottom of the first lifting seat; a first clamping groove is upwardly and obliquely formed in the bottom of the first assembling seat towards the first pressing assembly, and a first vacuum suction nozzle is further mounted in the first clamping groove; the first pressing assembly comprises a first pressing cylinder connected at the bottom of the first lifting seat, and a first pressing plate connected with the first pressing cylinder; a first guide groove is formed in the first assembling seat in the vertical direction and penetrates the first clamping groove, and one side of the first pressing plate is inserted into the first guide groove; a first pressing block is further connected at the bottom of the one side of the first pressing plate inserted into the first guide groove.

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