Automatic production line for keyboard assembly and multi-station detection

Abstract

The invention provides an automatic production line for keyboard assembly and multi-station detection, which comprises a keyboard keycap detection machine, a bottom plate feeding machine and detection equipment, a labeling machine is arranged in the output direction of the bottom plate feeding machine, a keycap assembly all-in-one machine is arranged in the output direction of the keyboard keycap detection machine and the bottom plate feeding machine, and the keyboard keycap assembly all-in-one machine is arranged in the output direction of the keyboard keycap detection machine and the bottom plate feeding machine. The keyboard keycap detection machine and the bottom plate feeding machine are respectively used for detecting and feeding keycaps and feeding bottom plates, and the labeling machine is used for pasting two-dimensional codes and waterproof labels on the bottom plates. By arranging the keyboard keycap detection machine, the bottom plate feeding machine, the keycap assembly all-in-one machine and other automatic equipment, automatic connection of key cap detection feeding, bottom plate feeding, assembly and other core procedures is achieved, traditional manual operation is replaced, the continuous operation capacity of the automatic equipment is high, the operation speed is stable, the large-scale production requirement can be met, and the production efficiency is improved. The production efficiency is improved, the production period is shortened, and the overall production efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of keyboard manufacturing technology, and more specifically, to an automated production line for keyboard assembly and multi-station inspection. Background Technology

[0002] In the keyboard manufacturing industry, keycap assembly is a crucial step. Traditional keyboard production relies primarily on manual visual inspection, a method with drawbacks: low efficiency. As keyboard production scales up, manual operation struggles to meet high-efficiency production demands, becoming a bottleneck and extending production cycles. Therefore, we propose an automated production line combining keyboard assembly and multi-station inspection. Summary of the Invention

[0003] This invention provides an automated production line for keyboard assembly and multi-station testing, including a keyboard keycap testing machine, a base plate loading machine, and testing equipment. A labeling machine is installed in the output direction of the base plate loading machine, and a keycap assembly machine is installed in the output direction of both the keyboard keycap testing machine and the base plate loading machine. The keyboard keycap testing machine and the base plate loading machine are used for keycap testing and loading, and base plate loading, respectively. The labeling machine is used to affix QR codes and waterproof labels to the base plate. The keycap assembly machine is used for assembling the keycaps and the base plate. The testing equipment is used for testing the assembled keycaps and base plate.

[0004] Compared with the prior art, the beneficial effects of the present invention are as follows: In the scheme of this application: This application achieves automated connection of core processes such as keycap inspection and feeding, base plate feeding, and assembly by setting up automated equipment such as keyboard keycap inspection and feeding, base plate feeding, and assembly, replacing traditional manual operation. The automated equipment has strong continuous operation capability and stable operation speed, which can adapt to the needs of large-scale production, improve production efficiency, shorten the production cycle, and improve overall production efficiency. Attached Figure Description

[0005] Figure 1 A schematic diagram of the automated production line for keyboard assembly and multi-station testing provided in this application; Figure 2 A top view of the automated production line for keyboard assembly and multi-station testing provided in this application; Figure 3 This is a schematic diagram of the keyboard keycap testing machine provided in this application; Figure 4 A schematic diagram of the feeding structure provided in this application; Figure 5 This is a schematic diagram of the material handling robot provided in this application; Figure 6 This is a schematic diagram of the structure of the tray vacuum suction cup provided in this application; Figure 7This is a schematic diagram of the structure of the pallet and the material detection sensor provided in this application; Figure 8 A schematic diagram of the positioning structure provided in this application; Figure 9 A partial structural schematic diagram of the second lifting structure provided in this application; Figure 10 This is a structural schematic diagram of the short-range belt conveyor provided in this application; Figure 11 A schematic diagram illustrating the structure of the transfer pallet provided in this application when it is transported in the upper conveyor of a double-layer conveyor; Figure 12 This is a structural schematic diagram of the base plate loading machine provided in this application; Figure 13 This is a structural diagram of the top of the loading cabinet provided in this application; Figure 14 This is a structural diagram of the bottom of the loading cabinet and pallet recycling vehicle provided in this application; Figure 15 A schematic diagram of the positioning component provided in this application; Figure 16 A bottom view of the structure of the second pallet provided in this application; Figure 17 A schematic diagram of the structure of the fixing frame provided in this application; Figure 18 This is a schematic diagram of the detection structure provided in this application; Figure 19 A schematic diagram of the lifting structure provided in this application; Figure 20 A bottom view of the lifting platform provided in this application; Figure 21 A schematic diagram of the structure of the transfer tray provided in this application; Figure 22 A schematic diagram of the structure when the base plate provided in this application is placed between the transfer tray and the base plate positioning frame; Figure 23 A schematic diagram of the feeding structure provided in this application; Figure 24 This is a structural schematic diagram of the linear module six provided in this application; Figure 25 A schematic diagram of the structure of the vacuum connection tube provided in this application. Detailed Implementation

[0006] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0007] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the embodiments of the present invention can be combined with each other.

[0008] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0009] Example 1, as Figures 1-2 As shown, an automated production line for keyboard assembly and multi-station testing includes a keyboard keycap testing machine 1, a base plate loading machine 2, and testing equipment. A labeling machine 3 is installed in the output direction of the base plate loading machine 2. A keycap assembly machine 4 is installed in the output direction of both the keyboard keycap testing machine 1 and the base plate loading machine 2. The keyboard keycap testing machine 1 and the base plate loading machine 2 are used for keycap testing and loading, and base plate loading, respectively. The labeling machine 3 is used to affix QR codes and waterproof labels to the base plate. The keycap assembly machine 4 is used for assembling the keycaps and base plate. The testing equipment is used for testing the keycaps and base plate after assembly. The testing equipment includes, in sequence, a key core appearance inspection machine 8, a key core crack inspection machine 9, a key core noise detection machine 10, and a key core pull-out and key height testing machine 12. The keycap assembly machine 13 includes a keycap backlight board attaching and pressure holding machine 14, a keycap backlight uniformity tester 15, a keycap front and back light leakage detection and indicator light detection machine 16, a multi-functional tester 17, and a second elevator 18. The keycap assembly machine 4 has a manual assembly station 6 for irregularly shaped keys in its output direction, and a manual repair point 7 is set at the keycap appearance full inspection machine 8. A manual repair point 2 11 is set at the keycap pull-out and key height tester 12. A manual repair point 3 19 is set at the ATE tester 13. The multi-functional tester 17 is used for AIO character + conductive film PIN + GAP detection. The keycap assembly machine 4 also has a first elevator 5 in its output direction. All components are connected by existing belt conveyors for component transportation.

[0010] Example 2, please refer to Figures 3-11 The keyboard keycap testing machine 1 includes a double-layer conveyor 109, which has upper and lower layers. Lifting structure 2 108 and lifting structure 1 107 are respectively installed at both ends of the double-layer conveyor 109. A feeding structure is installed at lifting structure 1 107. A gantry frame 110 is also installed on the double-layer conveyor 109, and a detection camera 111 is installed on the gantry frame 110. The detection camera 111 is equipped with a light. Several transfer stations are circulated between lifting structure 1 107, lifting structure 2 108, and the upper and lower layers of the double-layer conveyor 109. The top of the transfer tray 112 is equipped with a limiting frame 1121. The transfer tray 112 and the limiting frame 1121 work together to position the keycap tray A. The keycap tray A is used to carry and position the keycaps. The detection camera 111 can capture images of the keycap tray A in the transfer tray 112 after passing through the upper conveyor of the double-layer conveyor 109. In conjunction with the existing vision inspection system, it can determine whether there are any missing keycaps in the keycap tray A, so as to realize automated detection. The limiting frame 1121 is bolted to the transfer tray 112, and its shape and size correspond to the keycap tray A.

[0011] Furthermore, guide wheels 1122 are provided at each of the four corners of the transfer pallet 112. The guide wheels 1122 can reduce the friction and collision between the transfer pallet 112 and other components during the transportation process, thereby improving the transportation stability. The lifting structure 107 has the same structure as the lifting structure 2 108. The lifting structure 2 108 includes a cabinet 2 1081, in which a lifting plate 1084 is provided. A slide rail 4 1082 is installed in the cabinet 2 1081. A slider 4 1083 is slidably connected to the outer surface of the slide rail 4 1082, and the slider 4 1083 is connected to the lifting plate 1084. The slider 4 1083 and the slide rail 4 1082 cooperate to limit the lifting plate 1084, thereby improving the stability of the lifting plate 1084 during lifting. A belt-type linear module 1089 is provided in the cabinet 2 1081. The movable end of 89 is connected to the lifting plate 1084. The bottom of the lifting plate 1084 is equipped with a cylinder 3 1085. The piston rod of the cylinder 3 1085 extends above the lifting plate 1084 and is connected to the lifting plate 2 1086. The top of the lifting plate 2 1086 is connected to the short-distance belt conveyor 1087. The cylinder 3 1085 can drive the lifting plate 2 1086 to rise and fall, thereby driving the short-distance belt conveyor 1087 to rise and fall. The bottom of the lifting plate 2 1086 is equipped with a limit rod 1088, and the bottom end of the limit rod 1088 passes through the lifting plate 1084. The belt-type linear module 1089 is used to drive the lifting plate 1084 to rise and fall, so as to realize the switching of the short-distance belt conveyor 1087 between the upper and lower layers of the double-layer conveyor 109. The transfer tray 112 can move between the short-distance belt conveyor 1087 and the double-layer conveyor 109.

[0012] Furthermore, the feeding structure includes a cabinet 101, a lifting structure 107 located at the end away from the double-layer conveyor 109 inside the cabinet 101, a detection cover 102 installed on the top of the cabinet 101, a material handling robot 103 installed inside the detection cover 102, a pallet 104 located inside the detection cover 102 and a support plate 105 located below the pallet 104 installed on the top of the cabinet 101, a positioning structure 106 provided between the support plate 105 and the pallet 104, a keycap tray A can be stacked on the pallet 104, and the positioning structure 106 is used to position the keycap tray A stacked on the pallet 104.

[0013] Furthermore, the material handling robot 103 includes a linear module three 1038 installed inside the inspection cover 102. The moving end of the linear module three 1038 is connected to a connecting frame three 1037. The connecting frame three 1037 is connected to a linear module two 1036. The moving end of the linear module two 1036 is connected to a linear module one 1031. The moving end of the linear module one 1031 is connected to a connecting frame one 1032. The bottom of the connecting frame one 1032 is connected to a support rod 1033. Several support plates 1034 are connected to the support rod 1033. The support plates 1034 are connected to a tray vacuum suction cup 1035. The tray vacuum suction cup 1035 is used to adsorb the keycap tray A. The linear module three 1038, the connecting frame three 1037, the linear module two 1036, and the linear module one 1031 cooperate with each other to drive the connecting frame one 1032 to move in three axes.

[0014] Furthermore, the positioning structure 106 includes a support frame 1061 installed on the cabinet 101. A lifting screw 1062 is rotatably connected to the support frame 1061 via bearings. A drive motor is provided between the lifting screw 1062 and the support frame 1061. A screw nut is provided on the outer surface of the lifting screw 1062, and a transmission block 1063 is connected to the screw nut. The transmission block 1063 is connected to the side of the tray 104. When the drive motor drives the lifting screw 1062 to rotate, it can drive the tray 104 to rise and fall through the screw nut and the transmission block 1063. That is, the height of the tray 104 can be adjusted according to the number of keycap trays A stacked on the top of the tray 104. A connecting plate 1064 is installed on the side of the tray 104. A slider 1067 is connected to the connecting plate 1064. The slider 1067 is connected to a slide rail 1065, and the slide rail 1065 is installed on the inner wall of the cabinet 101.

[0015] Furthermore, a movable frame 1069 and several fixed plates 1068 are installed on the top of the support plate 105. Multiple positioning rods 1066 are installed on the top of both the movable frame 1069 and the fixed plates 1068. The top ends of the positioning rods 1066 pass through the support plate 104. A slide rail 10610 is provided below the movable frame 1069. A second slider is slidably connected to the slide rail 10610, and the second slider is connected to the bottom of the movable frame 1069. A cylinder 10611 is installed on the frame 1069. The piston rod of the cylinder 10611 is connected to a limit block. When the piston rod of the cylinder 10611 extends, the limit block contacts the top of the support plate 105. After the cylinder 10611 drives the corresponding limit block to separate from the support plate 105, the movable frame 1069 can be moved, thereby adjusting the distance between the positioning rod 1066 on the movable frame 1069 and the positioning rod 1066 on the fixed plate 1068.

[0016] Furthermore, a fixed plate 10612 and a movable frame 10613 parallel to the fixed plate 10612 are also installed on the top of the support plate 105. Multiple positioning rods 1066 with their tips passing through the support plate 104 are also installed on the top of both the fixed plate 10612 and the movable frame 10613. A slide rail 10614 is provided below the movable frame 10613, and a third slider is slidably connected to the slide rail 10614, and the third slider is connected to the bottom of the movable frame 10613. A cylinder 10615 is installed on the movable frame 10613. The piston rod of the cylinder 10615 is also connected to a limit block. When the piston rod of the cylinder 10615 extends, the limit block contacts the top of the support plate 105. After the cylinder 10615 drives the corresponding limit block to separate from the support plate 105, the movable frame 10613 can be moved, thereby adjusting the distance between the positioning rod 1066 on the movable frame 10613 and the positioning rod 1066 on the fixed plate 10612.

[0017] Furthermore, the moving direction of the second movable frame 10613 is perpendicular to the moving direction of the first movable frame 1069. Multiple positioning rods 1066 form several positioning areas on the first tray 104 for positioning the keycap tray A. The first tray 104 has notches for the positioning rods 1066 to pass through and move.

[0018] Furthermore, a material detection sensor 1041 is installed at the bottom of the pallet 104. The number and position of the material detection sensors 1041 correspond to the number and position of the positioning areas. The pallet 104 is provided with detection holes for the material detection sensors 1041 to detect. When the keycap tray A in the corresponding positioning area at the top of the pallet 104 is completely removed, the material detection sensor 1041 can detect the corresponding signal. By configuring an alarm, the staff can be reminded to load material onto the top of the pallet 104. The control of cylinder 10611 and cylinder 20615 is manual.

[0019] For ease of understanding, this application uses B to represent a keycap and... Figure 6 and Figure 10During use, after tray 104 descends, the operator stacks multiple keycap trays A containing keycaps in the positioning area on top of tray 104. Keycap trays A are positioned by positioning rod 1066. Linear module 3 1038, connecting frame 3 1037, linear module 2 1036, and linear module 1 1031 work together to drive connecting frame 1032 to move in three axes, so that the tray vacuum suction cup 1035 can pick up the keycap trays A and move them to the lifting structure 107. At this time, the lifting structure... The top of the lifting structure 107 has a transfer tray 112. A tray vacuum suction cup 1035 moves the keycap tray A between the transfer tray 112 and the limiting frame 1121 at the top of the lifting structure 107. Then, the tray vacuum suction cup 1035 releases the keycap tray A and returns to the tray 104. The lifting structure 107 then transports the transfer tray 112, containing the keycap tray A and the keycaps, to the upper conveyor of the double-layer conveyor 109. The upper conveyor drives the transfer tray 112 towards the lifting structure 108. Information is collected by inspection camera 111 for visual inspection. If it fails, an alarm is triggered, and the keycaps are manually removed. If they pass, the keyboard in keycap tray A is removed by a robotic arm in the subsequent assembly process, and the empty keycap tray A moves to lifting structure 108. When transfer tray 112 and the empty keycap tray A reach lifting structure 108, short-path belt conveyor 1087 connects to the upper conveyor, causing transfer tray 112 to move onto short-path belt conveyor 1087, and the empty keycap tray A is removed. The conveyor 1087 descends and docks with the lower conveyor to transport the empty transfer pallet 112 onto the lower conveyor. The lower conveyor moves the empty transfer pallet 112 to the lifting structure 107, which lifts the empty transfer pallet 112 upwards. Then, the picking robot 103 continues to place the keycap tray A with the keyboard onto it. This cycle is repeated to complete the keycap loading and inspection. During the process, as the keycap tray A on the pallet 104 is taken away by the picking robot 103, the pallet 104 gradually rises.

[0020] Example 3, please refer to Figures 12-25The base plate loading machine 2 includes a loading mechanism 203, which includes a drive structure. The drive structure is connected to a connecting plate 3 2039. A vacuum chamber 2037 is provided below the connecting plate 3 2039. Several small suction cups 20371 are connected to the side of the vacuum chamber 2037 away from the connecting plate 3 2039, and a vacuum connecting pipe 20372 is connected to the side of the vacuum chamber 2037. Several bushings 20373 are installed on the connecting plate 3 2039. Step bolts 20374 are inserted and connected between the bushings 20373 and the connecting plate 3 2039. One end is connected to the vacuum chamber 2037. The outer surface of the stepped bolt 20374 is fitted with a spring 20375 located on the side of the bushing 20373 away from the connecting plate 2039. The spring 20375 is used to provide cushioning at the moment when the small suction cup 20371 contacts the base plate. The small suction cup 20371 can penetrate into the small gap between the key positions of the keyboard circuit base plate and provide multiple adsorption points. Compared with traditional vacuum suction cups, it increases the number of adsorption points with the base plate, making the adsorption more stable and reducing the problem of the base plate falling off due to unstable adsorption during transportation, thereby improving production efficiency and product quality.

[0021] Furthermore, the drive structure includes a linear module four 2031, a connecting frame three 2032 connected to the moving end of the linear module four 2031, a linear module five 2033 connected to the connecting frame three 2032, a linear module six 2034 connected to the moving end of the linear module five 2033, a connecting frame four 2035 connected to the moving end of the linear module six 2034, a rotary motor 2036 mounted on the connecting frame four 2035, and the output end of the rotary motor 2036 connected to the connecting plate three 2039. A mounting plate 20381 is also installed on the connecting plate 3 2039. The mounting plate 20381 is connected to the FPC vacuum suction cup 2038, which is used to adsorb the FPC on the base plate. The linear module 4 2031, the connecting frame 3 2032, the linear module 5 2033, and the linear module 6 2034 work together to drive the vacuum chamber 2037 to move in three axes. The rotary motor 2036 can drive the connecting plate 3 2039 to rotate, thereby driving the vacuum chamber 2037 to rotate.

[0022] Furthermore, the feeding mechanism 203 is connected to the feeding machine cover 202, and the bottom of the feeding machine cover 202 is connected to the feeding machine cabinet 201, and the linear module four 2031 is installed on the top inside the feeding machine cover 202.

[0023] Furthermore, the loading cabinet 201 is equipped with a positioning component 208 and a pallet recycling cart 209 located on one side of the positioning component 208. The positioning component 208 has several loading pallets 207 for supporting the keyboard base plate. The loading cabinet 201 also includes a detection structure 204 and a lifting structure 205. A transfer tray 206 is mounted on the lifting structure 205. A base plate positioning frame 2061 is installed on the top of the transfer tray 206, and rollers 2062 are connected to the four corners of the transfer tray 206. The transfer tray 206 and the base plate positioning frame 2061 cooperate to position the base plate, ensuring it is aligned correctly. For ease of understanding, this application uses "C" to represent the base plate. Figure 11 and Figure 4 The annotations are made in the middle.

[0024] Furthermore, the detection structure 204 includes a mounting bracket 2041 installed in the loading cabinet 201. The mounting bracket 2041 is equipped with a second detection camera 2043 and a supplementary light 2042 located above the second detection camera 2043. After the loading mechanism 203 picks up the bottom plate from the loading tray 207, it moves it to the detection structure 204. Visual inspection is performed by the second detection camera 2043 to determine whether the bottom plate is in the correct position. If there is any deviation, the rotary motor 2036 rotates to adjust the position of the bottom plate.

[0025] Furthermore, the positioning component 208 includes a second support frame 2081 mounted on the loading cabinet 201. A second support plate 20813 is connected to the bottom of the second support frame 2081. An adjusting screw 2082 is rotatably connected between the second support plate 20813 and the second support frame 2081 via a bearing. The adjusting screw 2082 is equipped with a drive motor, and a transmission seat 2083 is threaded onto the adjusting screw 2082. A second pallet 2084 is connected to the side of the transmission seat 2083, and the loading pallet 207 is placed on it. On pallet 2084, a connecting plate 2086 is connected, and a slider 2087 is connected to the connecting plate 2086. The slider 2087 is slidably connected to a slide rail 2088. The slide rail 2088 is installed on the inner side of the support frame 2081. The drive motor can drive pallet 2084 to rise and fall by adjusting the lead screw 2082 and the transmission seat 2083, thereby adjusting the height of pallet 2084 according to the number of loading pallets 207 on pallet 2084. The second support plate 20813 is also equipped with a second cylinder 20810. The telescopic end of the second cylinder 20810 is connected to a clamping plate 20811, and the clamping plate 20811 is in contact with the pallet recycling cart 209. The clamping plate 20811 and the second cylinder 20810 cooperate to fix the pallet recycling cart 209 in the loading cabinet 201, so as to reduce the situation of the pallet recycling cart 209 moving on its own.

[0026] Furthermore, a fixing frame 20817 is provided on the top of the support plate 20813. Positioning posts 20812 are installed on the tops of the movable plates 20814, 20815, and 30816. The tops of the positioning posts 20812 pass through the support plate 2084 and extend above it. The second plate 2084 has a notch for the positioning post 20812 to move and pass through. The positioning posts 20812 on the top of the first moving plate 20814, the second moving plate 20815, the fixed frame 20817, and the third moving plate 20816 are respectively located on the four sides of the loading pallet 207 to form a positioning area for positioning the loading pallet 207. The positioning posts 20812 can position the loading pallet 207 to reduce the displacement of the loading pallet 207.

[0027] Furthermore, sliders 3 are installed at the bottom of movable plates 1 (20814), 2 (20815), and 3 (20816), and sliders 3 are connected to slide rails 3 (20819). Slide rails 3 (20819) are installed on the top of support plate 2 (20813). Cylinders 3 (20818) are installed on movable plates 1 (20814), 2 (20815), and 3 (20816). The telescopic end of cylinders 3 (20818) is connected to a limit block, and the limit block contacts the top of support plate 2 (20813). The moving direction of slide rails 3 (20819) is perpendicular to that of movable plate 2 (20815), and the moving direction of movable plate 2 (20815) is the same as that of movable plate 3 (20816). By moving movable plates 1 (20814), 2 (20815), and 3 (20816), the corresponding positioning columns 20812 can be adjusted, thereby adapting to different sizes of loading pallets 207.

[0028] Furthermore, a material detection sensor 2085 is installed at the bottom of pallet 2084. The number of material detection sensors 2085 is the same as the number of positioning areas, and pallet 2084 has detection through holes corresponding to the material detection sensors 2085. When the loading tray 207 on pallet 2084 is completely removed, the material detection sensor 2085 cannot detect the tray through the detection through hole, thus triggering a signal. By configuring an alarm, the staff can be reminded to load material onto the top of pallet 2084.

[0029] Furthermore, the lifting structure 3 205 includes a protective cabinet 2051 located at the loading cabinet 201. The protective cabinet 2051 contains a lifting plate 1 2052 and a belt-driven linear module 2059 connected to the lifting plate 1 2052. The belt-driven linear module 2059 drives the lifting plate 1 2052 to lift. A slider 1 2057 is connected to the lifting plate 1 2052, and a slide rail 2058 is connected to the slider 1 2057. The slide rail 2058 is installed inside the protective cabinet 2051. A cylinder 2054 is installed at the bottom of the lifting plate 1 2052. The telescopic end of the cylinder 2054 is connected to a lifting plate 2053 located above the lifting plate 1 2052. A short-stroke belt conveyor is installed at the top of the lifting plate 2053. The bottom of conveyor 2055 and lifting plate 2053 is equipped with a vertical rod 2056. The bottom end of the vertical rod 2056 passes through lifting plate 1 2052 and extends to the bottom of lifting plate 1 2052. The transfer tray 206 is placed on top of short-distance belt conveyor 2055. The belt-type linear module 2059 drives lifting plate 1 2052 to rise and fall, thereby driving short-distance belt conveyor 2055 to rise and fall. The side of lifting structure 3 205 away from the loading cabinet 201 is used in conjunction with the existing double-layer belt conveyor. The upper layer of the double-layer belt conveyor is used to transport the transfer tray 206 with the bottom plate to other processing equipment, while the upper layer of the double-layer belt conveyor is used to transport the empty transfer tray 206 back to short-distance belt conveyor 2055.

[0030] The control of each component in this application relies on the existing PLC control system. The various sensors, solenoid valves, drivers and circuit connections required for the operation of the PLC control system are all existing technologies. The specific circuit layout and program writing can be configured according to the actual equipment parameters. This is existing technology and will not be described in detail in this application. Cylinder 3 20818 adopts a manual control mode, which facilitates flexible adjustment of the position of the positioning column 20812 during equipment debugging and maintenance.

[0031] Adjusting screw 2082 rotates to drive transmission seat 2083 to descend. Transmission seat 2083 drives pallet 2084 to descend, and then the loading tray 207 with the base plate is stacked on top of pallet 2084. Linear module 4 2031, connecting frame 3 2032, linear module 5 2033, and linear module 6 2034 work together to drive vacuum chamber 2037 to move in three axes, so as to move vacuum chamber 2037 to loading tray 207, and small suction cup 2037. 1. The vacuum suction cup 2038 contacts and adsorbs the FPC on the base plate. Then, the vacuum chamber 2037 moves towards the detection structure 204. The detection structure 204 performs visual inspection to determine if the base plate is deflected. If it is deflected, the rotary motor 2036 causes the vacuum chamber 2037 to rotate and straighten the base plate. After straightening, the feeding mechanism 203 places the base plate between the top of the transfer tray 206 and the base plate positioning frame 2061. The short-distance belt conveyor 205... 5. The transfer tray 206 is driven to the upper layer of the existing double-layer belt conveyor, so that the transfer tray 206 and the base plate are transported to the corresponding processing area via the double-layer belt conveyor. When the short-stroke belt conveyor 2055 separates from the transfer tray 206, the lifting plate 2052 and the short-stroke belt conveyor 2055, etc., move downward under the drive of the belt-type linear module 2059, so that the short-stroke belt conveyor 2055 connects to the lower layer of the double-layer belt conveyor, and the lower layer will be empty. The transfer tray 206 is conveyed to the short-distance belt conveyor 2055. Then, the lifting plate 2052 and the short-distance belt conveyor 2055 continue to produce and put the bottom plate into the transfer tray 206. This cycle continues. During the process, as the bottom plate on the loading tray 207 is taken away by the loading mechanism 203, the pallet 2084 gradually rises. Each time the loading mechanism 203 puts the bottom plate into the transfer tray 206 and resets, it picks up the empty loading tray 207 and puts it into the tray recycling cart 209 for recycling.

[0032] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0033] Obviously, the embodiments described above are merely some embodiments of the present invention, not all embodiments. The accompanying drawings show preferred embodiments of the present invention, but do not limit the patent scope of the present invention. The present invention can be implemented in many different forms; rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this invention.

Claims

1. An automated production line for keyboard assembly and multi-station inspection, characterized in that, The system includes a keyboard keycap testing machine (1), a base plate loading machine (2), and testing equipment. The output direction of the base plate loading machine (2) is equipped with a labeling machine (3). The output directions of the keyboard keycap testing machine (1) and the base plate loading machine (2) are equipped with a keycap assembly machine (4). The keyboard keycap testing machine (1) and the base plate loading machine (2) are used for testing and loading of keycaps and loading of base plates, respectively. The labeling machine (3) is used to affix QR codes and waterproof labels to the base plates. The keycap assembly machine (4) is used for assembling keycaps and base plates. The testing equipment is used for testing keycaps and base plates after assembly.

2. The automated production line for keyboard assembly and multi-station inspection according to claim 1, characterized in that, The testing equipment includes, in sequence, a key core appearance full inspection machine (8), a key core crack full inspection machine (9); a key core noise detection machine (10), a key core pull-out and key height testing machine (12), an ATE testing machine (13), a key core backlight plate attaching and pressure holding machine (14), a key core backlight uniformity testing machine (15), a key core front and back light leakage detection and indicator light detection machine (16), a multi-functional testing machine (17), and a second lifting machine (18); the output direction of the keycap assembly machine (4) is provided with a non-standard key manual assembly position (6), and a manual repair point one (7) is provided at the key core appearance full inspection machine (8), a manual repair point two (11) is provided at the key core pull-out and key height testing machine (12), a manual repair point three (19) is provided at the ATE testing machine (13), and the multi-functional testing machine (17) is used for AIO character + conductive film PIN + GAP detection.

3. The automated production line for keyboard assembly and multi-station inspection according to claim 1, characterized in that, The keyboard keycap testing machine (1) includes a double-layer conveyor (109), which has two layers of conveyors, characterized in that a second lifting structure (108) and a first lifting structure (107) are respectively provided at both ends of the double-layer conveyor (109). A feeding structure is provided at the first lifting structure (107). A gantry frame (110) is also installed at the double-layer conveyor (109). A first testing camera (111) is installed on the gantry frame (110). Several transfer trays (112) are circulated between the first lifting structure (107), the second lifting structure (108) and the upper and lower layers of the double-layer conveyor (109). A limiting frame (1121) is installed on the top of the transfer tray (112). The transfer tray (112) and the limiting frame (1121) are used to position the keycap tray A. The keycap tray A is used to carry and position the keycaps. The lifting structure one (107) has the same structure as the lifting structure two (108). The lifting structure two (108) includes a cabinet two (1081), a lifting plate one (1084) is provided inside the cabinet two (1081), and a belt-type linear module one (1089) is provided inside the cabinet two (1081). The moving end of the belt-type linear module one (1089) is connected to the lifting plate one (1084). A cylinder three (1085) is installed at the bottom of the lifting plate one (1084), and the piston rod of the cylinder three (1085) extends to... Lifting plate one (1084) is connected above and to lifting plate two (1086). The top of lifting plate two (1086) is connected to short-distance belt conveyor one (1087). Limiting rod one (1088) is installed at the bottom of lifting plate two (1086). The bottom end of the limiting rod one (1088) passes through lifting plate one (1084). Belt type linear module one (1089) is used to drive lifting plate one (1084) to lift, so as to realize the switching of short-distance belt conveyor one (1087) between the upper and lower layers of double-layer conveyor (109).

4. The automated production line for keyboard assembly and multi-station inspection according to claim 3, characterized in that, The feeding structure includes a cabinet (101), and the lifting structure (107) is located inside the cabinet (101) at the end away from the double-layer conveyor (109). A detection cover (102) is installed on the top of the cabinet (101), and a material handling robot (103) is installed inside the detection cover (102). A pallet (104) located inside the detection cover (102) and a support plate (105) located below the pallet (104) are also installed on the top of the cabinet (101). A positioning structure (106) is provided between the support plate (105) and the pallet (104). The material handling robot (103) includes a linear module three (1038) installed inside the inspection cover (102). The moving end of the linear module three (1038) is connected to a connecting frame three (1037). The connecting frame three (1037) is connected to a linear module two (1036). The moving end of the linear module two (1036) is connected to a linear module one (1031). The moving end of the linear module one (1031) is connected to a connecting frame one (1032). The bottom of the connecting frame one (1032) is connected to a support rod (1033). Several support plates (1034) are connected to the support rod (1033). The support plates (1034) are connected to a tray vacuum suction cup (1035). The tray vacuum suction cup (1035) is used to adsorb the keycap tray A. The positioning structure (106) includes a support frame (1061) installed on a cabinet (101). A lifting screw (1062) is rotatably connected to the support frame (1061) via a bearing. A drive motor is provided between the lifting screw (1062) and the support frame (1061). A screw nut is provided on the outer surface of the lifting screw (1062), and a transmission block (1063) is connected to the screw nut. The transmission block (1063) is connected to the side of a tray (104). A connecting plate (1064) is installed on the side of the tray (104). A slider (1067) is connected to the connecting plate (1064). A slide rail (1065) is connected to the slider (1067), and the slide rail (1065) is installed on the inner wall of the cabinet (101).

5. The automated production line for keyboard assembly and multi-station inspection according to claim 4, characterized in that, The top of the support plate 1 (105) is equipped with a movable frame 1 (1069) and several fixed plates 1 (1068). The top of the movable frame 1 (1069) and the fixed plates 1 (1068) are equipped with multiple positioning rods (1066). The top of the positioning rods (1066) passes through the support plate 1 (104). The bottom of the movable frame 1 (1069) is provided with a slide rail 2 (10610). A second slider is slidably connected on the slide rail 2 (10610), and the second slider is connected to the bottom of the movable frame 1 (1069). A cylinder 1 (10611) is installed on the movable frame 1 (1069). The piston rod of the cylinder 1 (10611) is connected to a limit block, and the limit block contacts the top of the support plate 1 (105) when the piston rod of the cylinder 1 (10611) extends. The top of the support plate 1 (105) is also equipped with a fixed plate 2 (10612) and a movable frame 2 (10613) parallel to the fixed plate 2 (10612). The top of the fixed plate 2 (10612) and the movable frame 2 (10613) are also equipped with multiple positioning rods (1066) with their top ends passing through the support plate 1 (104). The bottom of the movable frame 2 (10613) is provided with a slide rail 3 (10614). A third slider is slidably connected to the slide rail 3 (10614), and the third slider is connected to the bottom of the movable frame 2 (10613). A cylinder 2 (10615) is installed on the movable frame 2 (10613). The piston rod of the cylinder 2 (10615) is also connected to a limit block, and the limit block contacts the top of the support plate 1 (105) when the piston rod of the cylinder 2 (10615) extends.

6. The automated production line for keyboard assembly and multi-station inspection according to claim 1, characterized in that, The base plate loading machine (2) includes a loading mechanism (203), which includes a drive structure. The drive structure is connected to a connecting plate three (2039). A vacuum chamber (2037) is provided below the connecting plate three (2039). A number of small suction cups (20371) are connected to the side of the vacuum chamber (2037) away from the connecting plate three (2039), and a vacuum connecting pipe (20372) is connected to the side of the vacuum chamber (2037). The connecting plate three (2039) is equipped with several bushings (20373). A stepped bolt (20374) is inserted between the bushing (20373) and the connecting plate three (2039). One end of the stepped bolt (20374) is connected to the vacuum chamber (2037). A spring (20375) is sleeved on the outer surface of the stepped bolt (20374) on the side of the bushing (20373) away from the connecting plate three (2039). The driving structure includes a linear module four (2031), the moving end of which is connected to a connecting frame three (2032), the connecting frame three (2032) is connected to a linear module five (2033), the moving end of which is connected to a linear module six (2034), the moving end of which is connected to a connecting frame four (2035), a rotary motor (2036) is mounted on the connecting frame four (2035), the output end of which is connected to a connecting plate three (2039), and an mounting plate (20381) is also mounted on the connecting plate three (2039). The mounting plate (20381) is connected to an FPC vacuum suction cup (2038), which is used to adsorb the FPC on the base plate.

7. The automated production line for keyboard assembly and multi-station inspection according to claim 6, characterized in that, The feeding mechanism (203) is connected to the feeding machine cover (202), and the bottom of the feeding machine cover (202) is connected to the feeding cabinet (201). The linear module four (2031) is installed on the top of the inner side of the feeding machine cover (202). The feeding cabinet (201) is provided with a positioning component (208) and a pallet recycling cart (209) located on one side of the positioning component (208). The positioning component (208) is provided with several feeding pallets (207) for carrying the keyboard base plate. The feeding cabinet (201) is also provided with a detection structure (204) and a lifting structure three (205). The lifting structure three (205) is provided with a transfer tray (206). The top of the transfer tray (206) is equipped with a base plate positioning frame (2061), and rollers (2062) are connected to the four corners of the transfer tray (206).

8. The automated production line for keyboard assembly and multi-station inspection according to claim 7, characterized in that, The positioning component (208) includes a second support frame (2081) mounted on the loading cabinet (201). A second support plate (20813) is connected to the bottom of the second support frame (2081). An adjusting screw (2082) is rotatably connected between the second support plate (20813) and the second support frame (2081) via a bearing. The adjusting screw (2082) is equipped with a drive motor, and a transmission seat (2083) is threaded onto the adjusting screw (2082). The transmission seat (2083) is connected to a second support plate (2084) on its side. The loading pallet (207) is placed on the second support plate (2084). The second support plate (2084) is connected to a second connecting plate (2086). The second connecting plate (2086) is connected to a second slider (2087). The second slider (2087) is slidably connected to a second slide rail (2088). The second slide rail (2088) is installed on the inner side of the second support frame (2081). A fixed frame (20817) is provided on the top of the support plate 2 (20813). Positioning posts (20812) are installed on the tops of the movable plates 1 (20814), 2 (20815), 3 (20816), and 4 (20816). The top of each positioning post (20812) passes through the support plate 2 (20813). 084) and extends above the second pallet (2084). The second pallet (2084) has a notch for the positioning post (20812) to move and pass through. The positioning posts (20812) on the top of the first moving plate (20814), the second moving plate (20815), the fixed frame (20817) and the third moving plate (20816) are respectively located on the four sides of the loading pallet (207) to form the positioning area of ​​the positioning loading pallet (207).

9. The automated production line for keyboard assembly and multi-station inspection according to claim 8, characterized in that, The bottom of each of the three movable plates (20814, 20815, and 20816) is equipped with a slider three, and the slider three is connected to a slide rail three (20819). The slide rail three (20819) is installed on the top of the support plate two (20813). Each of the three movable plates (20814, 20815, and 20816) is equipped with a cylinder three (20818). The telescopic end of the cylinder three (20818) is connected to a limit block, and the limit block is in contact with the top of the support plate two (20813). The moving direction of the slide rail three (20819) is perpendicular to that of the movable plate two (20815), and the moving direction of the movable plate two (20815) is the same as that of the movable plate three (20816).

10. The automated production line for keyboard assembly and multi-station inspection according to claim 7, characterized in that, The lifting structure three (205) includes a protective cabinet (2051) located at the loading cabinet (201). The protective cabinet (2051) contains a lifting plate one (2052) and a belt-driven linear module two (2059) connected to the lifting plate one (2052). The belt-driven linear module two (2059) drives the lifting plate one (2052) to lift. A cylinder one (2054) is installed at the bottom of the lifting plate one (2052). The telescopic end of the lifting plate is connected to the lifting plate two (2053) located above the lifting plate one (2052). The top of the lifting plate two (2053) is equipped with a short-distance belt conveyor two (2055), and the bottom of the lifting plate two (2053) is equipped with a vertical rod (2056). The bottom end of the vertical rod (2056) passes through the lifting plate one (2052) and extends to the bottom of the lifting plate one (2052). The transfer plate (206) is placed on the top of the short-distance belt conveyor two (2055).

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