Watchcase assembling method and wristband equipment assembling bus

Abstract

The invention relates to the technical field of intelligent wearing equipment processing, in particular to a watchcase assembling method and a wristband equipment assembling bus, and the watchcase assembling method comprises the following steps: controlling a first dial plate adjusting device to drive a watchcase on a conveying module to enter a first assembling posture, so that a first key hole is exposed and faces a first key cap mounting device; a spring feeding device, a first keycap mounting device and a snap spring mounting device are controlled to cooperatively act, and a first key is assembled to the meter shell through a first key hole; a second dial plate adjusting device is controlled to drive the watchcase provided with the first key to enter a second assembling posture, so that a second key hole is exposed and faces the bar tube mounting device; and controlling the bar tube mounting device, the second key cap mounting device, the nut mounting device and the screw locking device to cooperatively act, and assembling the second key to the meter shell through the second key hole. The invention aims to complete the assembly between the shell and the key through an automatic process, thereby improving the product processing efficiency, the yield and the like.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of intelligent wearable device processing, in particular to a watch case assembly method and a wristband device assembly bus. BACKGROUND

[0002] As a mainstream wearable smart device, the basic structure of a smart watch usually includes a watch case and a button, wherein the button is integrated on the side of the watch case and is a core component for realizing human-computer interaction. Users can trigger the corresponding function response of the device through different operation modes such as twisting and pressing.

[0003] Specifically, the button of the smart watch is often designed with differentiated structures to distinguish functions: one is a first button with a whole circular shape, and the other is a second button with a whole square shape. The functions of the two buttons are clear: when the first button is twisted, the fine adjustment of device parameters can be realized, such as adjusting the volume level, screen display brightness, alarm setting time, or adjusting numerical parameters such as target speed and target distance in the motion mode; when the second button is pressed, directional selection and module switching operations can be completed, such as switching options in menu lists, contact interfaces or input interfaces, such as selecting specific contacts, adjusting alarm time parameters, and switching between different functional modules such as time display modules, motion monitoring modules, and heart rate monitoring modules. Through the differentiated operation of the two types of buttons, users can efficiently complete the interaction with the smart watch and realize diversified function calls. However, in the current related technology, the assembly of the watch case and the button of the smart watch is still mainly operated by humans. Compared with the automatic assembly process, manual assembly not only has the problems of low assembly efficiency and difficulty in adapting to large-scale production needs, but also is prone to product yield fluctuations due to human operation errors, which cannot meet the high requirements of the smart device manufacturing industry on production efficiency and product quality stability, and has become a key bottleneck restricting the improvement of production capacity and quality. SUMMARY

[0004] The main purpose of the present application is to provide a watch case assembly method, which aims to complete the assembly between the shell and the button through an automatic process, thereby improving the product processing efficiency and yield, etc.

[0005] To achieve the above object, the present application provides a watch case assembly method for assembling a watch case and a button assembly, the watch case comprising a first button hole and a second button hole, the button assembly comprising a first button and a second button, the first button comprising a first button cap, a spring, and a snap spring, and the second button comprising a second button cap, a bar pipe, a nut, and a screw; a watch case assembly line body is provided, comprising a base, a conveying module, a first assembly module, and a second assembly module, the first assembly module comprising a first dial adjusting device, a first button cap mounting device, a spring feeding device, and a snap spring mounting device, and the second assembly module comprising a second dial adjusting device, a bar pipe mounting device, a second button cap mounting device, a nut mounting device, and a screw locking device; the watch case assembly method comprises: controlling the first dial adjusting device to pick up and drive the watch case on the conveying module into a first assembly posture, so that the first button hole is exposed and faces the first button cap mounting device; controlling the spring feeding device, the first button cap mounting device, and the snap spring mounting device to act in coordination to assemble the first button to the watch case through the first button hole; controlling the second dial adjusting device to pick up and drive the watch case with the first button assembled into a second assembly posture, so that the second button hole is exposed and faces the bar pipe mounting device; controlling the bar pipe mounting device, the second button cap mounting device, the nut mounting device, and the screw locking device to act in coordination to assemble the second button to the watch case through the second button hole; wherein the assembly of the first button and the second button on the watch case is performed in steps.

[0006] In an embodiment, the first dial adjusting device comprises a turnover mechanism and a rotary clamping mechanism, and the rotary clamping mechanism comprises a turntable and a jaw structure; the step of controlling the first dial adjusting device to pick up and drive the watch case on the conveying module into a first assembly posture, so that the first button hole is exposed and faces the first button cap mounting device, comprises: controlling the jaw structure of the rotary clamping mechanism to pick up the watch case on the conveying module in a first horizontal transportation posture; controlling the turnover mechanism to switch from a pickup posture to a mounting posture, while controlling the turntable to drive the watch case to rotate circumferentially, so that the watch case is turned into a vertical assembly posture with the first button hole facing downward, and the vertical assembly posture is the first assembly posture.

[0007] In an embodiment, the spring feeding device comprises a vibrating platform and a feeding mechanism, the feeding mechanism comprises a picking needle, the snap spring mounting device comprises a snap spring chuck and a pushing mechanism; the step of controlling the spring feeding device, the first key cap mounting device and the snap spring mounting device to cooperate to assemble the first key to the watch case via the first key hole comprises: controlling the vibrating platform to vibrate to limit the spring in the limiting hole on the vibrating platform and keep the spring in an upright posture; controlling the picking needle of the feeding mechanism to pick up the spring and fit into the first key cap mounting hole picked up by the first key cap mounting device; controlling the jacking mechanism of the first key cap mounting device to drive the first key cap to be jacked up into the first key hole of the watch case in the first assembly posture; controlling the snap spring chuck of the snap spring mounting device to pick up the snap spring, controlling the pushing mechanism to drive the snap spring chuck to move towards the watch case, and mounting the snap spring to the watch case and the snap joint of the first key cap.

[0008] In an embodiment, the feeding mechanism further comprises a manipulator and a fixed sleeve provided on the manipulator, and the picking needle is telescopically inserted into the fixed sleeve; the step of controlling the picking needle of the feeding mechanism to pick up the spring and fit into the first key cap mounting hole picked up by the first key cap mounting device comprises: controlling the picking needle to extend out of the fixed sleeve and interfere with the spring in the limiting hole of the vibrating platform to pick up the spring; controlling the manipulator to move the picking needle above the first key cap, and controlling the picking needle to retract into the fixed sleeve, so that the spring falls into the first key cap mounting hole under the abutment of the fixed sleeve.

[0009] In an embodiment, the watch case assembly line body further comprises an information label attaching module; before the step of controlling the first watch dial adjusting device to pick up and drive the watch case on the conveying module into a first assembly posture to expose the first key hole and face the first key cap mounting device, further comprising: controlling the conveying module to convey the watch case to the information label attaching module, and controlling the information label attaching module to perform information label attaching on the watch case.

[0010] In an embodiment, the second dial adjusting device comprises a rotating clamping mechanism, the bar tube mounting device comprises a vacuum suction nozzle and a positioning moving assembly; the step of controlling the bar tube mounting device, the second key cap mounting device, the nut mounting device, and the screw locking device to cooperate to assemble the second key through the second key hole to the watch case comprises: controlling the rotating clamping mechanism of the second dial adjusting device to pick up the watch case and rotate to a vertical assembly posture, with the second key hole facing upwards, the vertical assembly posture being the second assembly posture; controlling the vacuum suction nozzle of the bar tube mounting device to pick up the bar tube, and the positioning moving assembly to drive the bar tube to be inserted into the second key hole of the watch case; controlling the screw locking device to lock the screw between the bar tube and the watch case; controlling the second key cap mounting device to pick up the second key cap and insert it outside the bar tube; controlling the nut mounting device to fasten the nut to the second key cap.

[0011] In an embodiment, the nut mounting device comprises a nut feeding mechanism and a pushing mechanism, the rotating clamping mechanism comprises a turntable and a jaw structure arranged on the turntable, and the jaw structure is configured to pick up and fix the second key cap; the turntable is provided with a guide groove; the step of controlling the nut mounting device to fasten the nut to the second key cap comprises: controlling the nut feeding mechanism to pick up the nut and convey it to the guide groove of the turntable; controlling the pushing mechanism to push the nut along the guide groove, so that the nut is in butt joint with the threaded hole of the second key cap and is fastened.

[0012] In an embodiment, the watch case assembly line body further comprises a welding device; after the step of controlling the nut mounting device to fasten the nut to the second key cap, the method further comprises: controlling the welding device to weld the screw to the bar tube; controlling the welding device to weld the nut to the second key cap.

[0013] In an embodiment, the watch case assembly line body further comprises a blanking module; after the step of controlling the bar tube mounting device, the second key cap mounting device, the nut mounting device, and the screw locking device to cooperate to assemble the second key through the second key hole to the watch case, the method further comprises: controlling the second dial adjusting device to rotate the watch case with the first key and the second key assembled back to the first horizontal transportation posture; Control the conveying module to convey the watch case to the unloading module, complete the unloading of the watch case after assembly.

[0014] The application also provides a wristband device assembly bus, which comprises a watch case assembly line body.

[0015] In the technical solution, the watch case assembly line body with the first assembly module, the second assembly module and the conveying module is provided, and the design of "controlling the first dial adjusting device to drive the watch case into the first assembly posture and controlling the second dial adjusting device to drive the watch case into the second assembly posture" replaces the step of manually turning and rotating the watch case to align the first keyhole and the second keyhole. The two types of dial adjusting devices can accurately and stably make the first keyhole face the first keycap mounting device and the second keyhole face the bar tube mounting device, avoid the keyhole alignment deviation caused by the hand feeling deviation during manual adjustment (for example, the watch case is easy to shake when manually held), and save the time consumption of manual repeated angle correction, thereby laying a precise posture foundation for efficient assembly of the first key and the second key. In addition, the automation action of "controlling the spring feeding device, the first keycap mounting device and the spring mounting device to cooperatively assemble the first key, and controlling the bar tube mounting device, the second keycap mounting device, the nut mounting device and the screw locking device to cooperatively assemble the second key" replaces the multi-step manual operation of manually picking up the spring, the bar tube, pressing the keycap and pushing the spring. Each device performs assembly in a standardized process and speed, eliminates errors such as the spring falling off, the pressing force of the keycap being uneven, the pushing track of the spring being deviated, reduces the defective products caused by improper operation, such as spring misplacement, keycap buckle fracture and screw slipping, and solves the problem that the yield rate fluctuates with the personnel state in traditional manual assembly. Meanwhile, the design of "the first key and the second key are assembled in steps on the watch case" and the transfer function of the conveying module between the two modules make the assembly processes of the first key containing the spring and the second key containing the bar tube and the nut independent and orderly connected. The design avoids the process interruption caused by frequent switching of different types of parts such as the spring and the bar tube and adjustment of the clamping tool in manual assembly, cooperates with the automation of the devices in each module, greatly improves the watch case assembly amount per unit time, breaks through the efficiency bottleneck of manual multi-process switching, and adapts to the large-scale production demand of wristband devices such as smart watches. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor based on the drawings shown.

[0017] Figure 1 Mechanism layout of an embodiment of the first assembly module provided by the present application; Figure 2 Structure schematic diagram of an embodiment of the first dial adjusting device provided by the present application; Figure 3 Structure schematic diagram of another embodiment of the first dial adjusting device provided by the present application; Figure 4 Structure schematic diagram of an embodiment of the first keycap mounting device provided by the present application; Figure 5 Structure schematic diagram of an embodiment of the clasp mounting device provided by the present application; Figure 6 Structure schematic diagram of an embodiment of the feeding mechanism provided by the present application; Figure 7 Mechanism layout of an embodiment of the vibration platform provided by the present application; Figure 8 Structure schematic diagram of an embodiment of the barb mounting device provided by the present application; Figure 9 Structure schematic diagram of an embodiment of the rotating disc provided by the present application; Figure 10 Module layout of an embodiment of the watchcase assembly line provided by the present application; Figure 11 First flowchart of an embodiment of the watchcase assembly method provided by the present application; Figure 12 Second flowchart of an embodiment of the watchcase assembly method provided by the present application; Figure 13 Third flowchart of an embodiment of the watchcase assembly method provided by the present application; Figure 14 Fourth flowchart of an embodiment of the watchcase assembly method provided by the present application; Figure 15 Fifth flowchart of an embodiment of the watchcase assembly method provided by the present application.

[0018] Explanation of reference numerals: 100, watch shell assembly line body; 10, base; 101, spring clip warehouse; 11, watch shell warehouse; 12, information label attaching module; 13, first assembly module; 14, oil coating module; 15, second assembly module; 16, discharging module; 17, conveying module; 20, first dial adjusting device; 21, turnover mechanism; 22, rotary clamping mechanism; 23, rotary shaft; 24, fixed support; 25, turntable; 26, guide groove; 30, first key cap installation device; 31, jacking mechanism; 32, key bearing seat; 33, guide piece; 40, spring clip installation device; 41, pushing mechanism; 42, spring clip chuck; 50, spring loading device; 51, vibration platform; 60, loading mechanism; 61, fixed sleeve; 62, material taking needle; 70, barb pipe installation device; 71, vacuum nozzle; 80, pushing mechanism.

[0019] The purposes, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0021] It should be noted that all the directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly.

[0022] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B schemes. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of those skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope of the present application.

[0023] To achieve the above-mentioned purposes, please refer to Figure 11The application provides a watch case assembly method for assembling a watch case and a button assembly, the watch case comprising a first button hole and a second button hole, the button assembly comprising a first button and a second button, the first button comprising a first button cap, a spring and a snap spring, and the second button comprising a second button cap, a barrel, a nut and a screw; a watch case assembly line body 100 is provided, the watch case assembly line body 100 comprising a base 10, a conveying module 17, a first assembly module 13 and a second assembly module 15, the first assembly module 13 comprising a first watch dial adjusting device 20, a first button cap mounting device 30, a spring feeding device 50 and a snap spring mounting device 40, and the second assembly module 15 comprising a second watch dial adjusting device, a barrel mounting device 70, a second button cap mounting device, a nut mounting device and a screw locking device; the watch case assembly method comprises the following steps: S10, the first watch dial adjusting device 20 is controlled to drive the watch case on the conveying module 17 to enter a first assembly posture, so that the first button hole is exposed and faces the first button cap mounting device 30; S20, the spring feeding device 50, the first button cap mounting device 30 and the snap spring mounting device 40 are controlled to act in concert to assemble the first button into the watch case through the first button hole; S30, the second watch dial adjusting device is controlled to drive the watch case with the assembled first button to enter a second assembly posture, so that the second button hole is exposed and faces the barrel mounting device 70; When step S30 is performed, the conveying module 17 conveys the watch case with the assembled first button to the working area of the second assembly module 15, and stops after the detection component sends a signal. The rotary clamping mechanism 22 of the second watch dial adjusting device acts, the clamping jaw component thereof picks up the watch case, then the overturning mechanism 21 drives the watch case to overturn, and the rotating disc 25 drives the watch case to rotate circumferentially, so that the watch case is finally turned into a vertical assembly posture, and the second button hole is arranged upward, at this time, the axis of the second button hole coincides with the axis of the positioning component of the barrel mounting device 70, and the vertical posture is the second assembly posture. After the posture is adjusted, the control system sends a ready signal to the barrel mounting device 70, and prepares to enter the second button assembly step.

[0024] S40, the barrel mounting device 70, the second button cap mounting device, the nut mounting device and the screw locking device are controlled to act in concert to assemble the second button into the watch case through the second button hole; The first button and the second button are assembled step by step.

[0025] In the technical solution, the watch case assembly line body 100 is provided with the first assembly module 13, the second assembly module 15 and the conveying module 17. Through the design of “controlling the first watch adjustment device 20 to drive the watch case into the first assembly posture and controlling the second watch adjustment device to drive the watch case into the second assembly posture”, the manual overturning and rotating of the watch case to align the first key hole and the second key hole is replaced. The two types of watch adjustment devices can accurately and stably make the first key hole face the first key cap mounting device 30 and the second key hole face the bar tube mounting device 70, avoid the key hole alignment deviation caused by the hand feeling deviation during manual adjustment (for example, the watch case is easy to shake when manually held), and save the time consumption of manual repeated angle correction, thereby laying a precise posture foundation for efficient assembly of the first key and the second key. Secondly, through the automatic action of “controlling the spring feeding device 50, the first key cap mounting device 30 and the spring mounting device 40 to cooperatively assemble the first key, and controlling the bar tube mounting device 70, the second key cap mounting device, the nut mounting device and the screw locking device to cooperatively assemble the second key”, the manual multi-step operation of picking up the spring, the bar tube, pressing the key cap and pushing the spring is replaced. Each device performs assembly in a standardized process and speed, eliminates errors such as dropping of the picked-up parts, uneven pressing force of the key cap and deviation of the spring pushing track, reduces defective products such as spring misalignment, key cap buckle fracture and screw thread slipping caused by improper operation, solves the problem that the yield rate fluctuates with the personnel state in traditional manual assembly, and solves the problem that the yield rate fluctuates with the personnel state in traditional manual assembly. At the same time, the design of “the first key and the second key are assembled in steps on the watch case” and the conveying function of the conveying module 17 between the two modules make the assembly processes of the first key containing the spring and the second key containing the bar tube and the nut independent and orderly connected. Avoid the process interruption caused by frequent switching of different types of parts such as springs and bar tubes and adjustment of clamping tools in manual assembly, cooperate with the automatic cooperation of the devices in each module, greatly improve the watch case assembly amount per unit time, break through the efficiency bottleneck of manual multi-process switching, and adapt to the large-scale production demand of smart watches and other wristband devices.

[0026] Please refer to Figure 12 In an embodiment, the first watch adjustment device 20 includes a overturning mechanism 21 and a rotating clamping mechanism 22, the rotating clamping mechanism 22 includes a turntable 25 and a jaw structure; and step S10 includes: S11, controlling the jaw structure of the rotating clamping mechanism 22 to pick up the watch case in the first horizontal transportation posture on the conveying module 17; When step S11 is performed, the rotating clamping mechanism 22 of the first watch bezel adjusting device 20 is started, and the jaw parts thereof are first opened to a size suitable for the width of the watch case, and then moved accurately to the top of the watch case in the horizontal transportation posture on the conveying module 17 under the drive of the moving part. After the jaw parts are moved downward, they are closed to clamp the two side edges of the watch case with a preset clamping force, and the clamping position avoids the logo attachment area, so that the watch case is stable and does not deviate in the subsequent actions, and at this time, the watch case still maintains the first horizontal transportation posture and waits for the posture conversion link.

[0027] S12, control the turnover mechanism 21 to switch from the picking posture to the installation posture, and control the rotating disc 25 to drive the watch case to rotate circumferentially, so that the watch case turns to a vertical assembly posture with the first button hole downward, and the vertical assembly posture is the first assembly posture.

[0028] When step S12 is performed, first, the turnover mechanism 21 is controlled to act, drive the rotating clamping mechanism 22 and the watch case to turn from the picking posture (the jaw axis is parallel to the conveying direction) to the installation posture (the jaw axis is perpendicular to the conveying direction); in the turning process, the rotating disc 25 of the rotating clamping mechanism 22 is synchronously controlled to drive the watch case to rotate circumferentially, and the rotation angle is preset according to the structure of the watch case, so that the watch case finally turns to a vertical assembly posture with the first button hole downward, at this time, the axis of the first button hole is completely coincident with the axis of the jacking part of the first keycap installation device 30 below, and the vertical posture is the first assembly posture. After the posture adjustment is completed, the control system sends a ready signal to the first keycap installation device 30, and prepares to enter the first button assembly step.

[0029] Please refer to Figure 13 In an embodiment, the spring feeding device 50 includes a vibrating platform 51 and a feeding mechanism 60, the feeding mechanism 60 includes a mechanical hand, a fixed sleeve 61 and a material taking needle 62, the circlip installation device 40 includes a circlip collet 42 and a pushing mechanism 41; step S20 includes: S21, control the vibrating platform 51 to vibrate to make the spring be limited in the limiting hole and maintain a vertical posture; When step S21 is performed, the vibrating platform 51 of the spring feeding device 50 is started, and the batch of springs fall into the trough of the vibrating platform 51 from the hopper. Under the action of vibration, the springs slide into the limiting holes on the surface of the platform one by one. The limiting holes constrain the springs, so that the springs automatically adjust to a vertical posture in the vibration process, and each limiting hole contains only one spring, so that the automatic sorting and posture calibration of the springs are realized. When it is detected that the limiting holes are full of springs, a signal is sent to the feeding mechanism 60, and the spring picking link is prepared to be entered.

[0030] The vibration platform 51 realizes automatic sorting and vertical posture calibration of springs, replacing manual sorting and placement of springs, avoiding the problems of spring skewness and falling that are prone to manual operation, improving the spring loading efficiency and posture consistency, and providing qualified spring raw materials for subsequent assembly.

[0031] S22, controlling the picking needle 62 of the feeding mechanism 60 to pick up the spring and assemble it into the first keycap mounting hole picked up by the first keycap mounting device 30; Through the cooperation of the picking needle 62 and the fixed sleeve 61, the automatic operation from picking up to assembling the spring is realized, replacing the manual clamping and assembly with tweezers, avoiding the falling and tilting of the spring during the assembly process, ensuring the coaxiality of the spring and the keycap mounting hole, improving the assembly accuracy, and greatly improving the assembly efficiency.

[0032] S23, controlling the lifting mechanism 31 of the first keycap installation device 30 to drive the first keycap to be pushed upward into the first keyhole of the watch case in the first assembly posture; During step S23, the lifting mechanism 31 of the first keycap installation device 30 activates, driving the supporting member upward at a preset speed. The supporting member then simultaneously elevates the spring-loaded first keycap, precisely inserting it from below into the first keyhole of the watch case, which is in the first assembly position. When the lifting mechanism 31 detects that the thrust has reached a preset threshold (indicating that the keycap has fully entered the keyhole), it stops and maintains this position for a preset time, ensuring that the first keycap's buckle fully engages with the slot on the inner wall of the watch case. The lifting mechanism 31 then resets, completing the initial securing of the keycap.

[0033] The lifting mechanism 31 pushes the keycap into the key hole with a stable thrust, replacing manual pressing of the keycap, avoiding improper assembly or deformation of the keycap caused by uneven manual pressing force, ensuring that the keycap and the case are fully engaged, and improving the assembly quality stability of the first key.

[0034] S24, controlling the circlip chuck 42 of the circlip installation device 40 to pick up the circlip, controlling the pushing mechanism 41 to drive the circlip chuck 42 to move toward the watch case, and installing the circlip to the clamping position between the watch case and the first keycap.

[0035] During step S24, the circlip chuck 42 of the circlip installation device 40 picks up a circlip from the circlip hopper 101, and the pushing mechanism 41 drives the circlip chuck 42 toward the watch case. When the circlip chuck 42 reaches the junction between the watch case and the first keycap, the chuck opens to release the circlip. The circlip, constrained by its structure and the slot, fits into the annular groove between the watch case and the first keycap, completing the assembly of the first key. Once assembly is complete, the pushing mechanism 41 returns the circlip chuck 42 to its original position, ready for the next operation.

[0036] The clamping spring clamp 42 is installed in cooperation with the pushing mechanism 41 to clamp the clamping spring, instead of manually clamping the clamping spring with a tool, avoids the installation position deviation of the clamping spring, ensures the accurate embedding of the clamping spring into the clamping groove, effectively prevents the loosening of the first key, and improves the structural stability and service life of the key.

[0037] Please refer to Figure 14 In an embodiment, the material taking needle 62 of the feeding mechanism 60 is telescopically inserted into the fixed sleeve 61; step S22 comprises: S221, control the material taking needle 62 to extend out of the fixed sleeve 61 and interfere with the spring in the limiting hole of the vibration platform 51 to pick up the spring; When step S221 is executed, the mechanical hand of the feeding mechanism 60 drives the fixed sleeve 61 and the material taking needle 62 to move above the vibration platform 51, the material taking needle 62 extends out of the fixed sleeve 61 under the action of the driving component and is inserted into the inner hole of the spring in the limiting hole. Since the material taking needle 62 and the inner diameter of the spring are in interference fit, the spring is firmly sleeved on the material taking needle 62, realizing stable picking up, and then the material taking needle 62 remains in the extended state and carries the spring with the mechanical hand.

[0038] S222, control the mechanical hand to drive the material taking needle 62 to move above the first keycap, control the material taking needle 62 to retract into the fixed sleeve 61, so that the spring falls into the first keycap mounting hole under the abutment of the fixed sleeve 61.

[0039] When step S222 is executed, the mechanical hand drives the material taking needle 62 and the spring to move above the bearing component of the first keycap mounting device 30, at this time the clamping jaw of the first keycap mounting device 30 has picked up the first keycap from the keycap warehouse and placed it on the bearing component, and the keycap mounting hole faces upward and the axis coincides with the axis of the material taking needle 62. The driving component controls the material taking needle 62 to retract into the fixed sleeve 61, during the retraction process, the lower end surface of the fixed sleeve 61 contacts the upper end surface of the spring and generates an abutting force, as the material taking needle 62 continues to retract, the spring is separated from the material taking needle 62, and under the action of the abutting force, it falls smoothly into the mounting hole of the first keycap, completing the preliminary assembly of the spring and the keycap.

[0040] In an embodiment, the watch case assembly line body 100 further comprises an information label attaching module; before step S10, it further comprises: S01, control the conveying module 17 to convey the watch case to the information label attaching module, and control the attaching module to attach the information label to the watch case.

[0041] When step S01 is performed, first, the watch cases to be assembled are placed in batches at the starting end of the conveying module 17 by the feeding station, the conveying module 17 is started, and the watch cases are conveyed to the information label attaching module in a first horizontal transportation posture. When the watch cases reach the working area of the attaching module, the detection component sends a signal to the control system, and the conveying module 17 stops running; the positioning component of the attaching module acts to fix the position of the watch case to avoid the watch case from shifting during the attaching process. Then the label attaching component of the attaching module is started, picks up the label with product information, calibrates the attaching position through the positioning system (avoids the watch case key hole and functional area), and attaches the label flat on the surface of the watch case to ensure that the label is bubble-free and not skewed. After the attaching is completed, the positioning component is reset, and the conveying module 17 is started again to convey the watch case with the attached label to the first assembly module 13, preparing for the posture adjustment link.

[0042] By automatically attaching the information label, manual label attaching is replaced, and problems such as label skewing and bubbles that are prone to occur in manual operation are avoided, ensuring accurate label position and firm attachment; at the same time, the information label seamlessly connects with the assembly process without the need for additional manual intervention, which not only improves production efficiency but also provides a reliable foundation for subsequent product traceability, facilitating quality control and after-sales tracking.

[0043] Please refer to Figure 15 In an embodiment, the second watch dial adjusting device includes a rotating clamping mechanism 22, and the bar tube installation device 70 includes a vacuum suction nozzle 71 and a positioning moving assembly; step S40 includes: S41, control the rotating clamping mechanism 22 of the second watch dial adjusting device to pick up the watch case and rotate to a vertical assembly posture, so that the second key hole faces upward, and the vertical assembly posture is the second assembly posture; When step S41 is performed, the rotating clamping mechanism 22 of the second watch dial adjusting device maintains the clamping state of the watch case, ensuring that the watch case is stably in the second assembly posture, the second key hole faces upward and is fixed in position, providing a precise reference for subsequent bar tube installation.

[0044] By maintaining the stability of the watch case in the second assembly posture through a mechanical structure, component installation deviation caused by the shaking of the watch case during assembly is avoided, providing a stable reference for the sequential assembly of the bar tube, screw, key cap, and nut.

[0045] S42, control the vacuum suction nozzle 71 of the bar tube installation device 70 to pick up the bar tube, and the positioning moving assembly drives the bar tube to be inserted into the second key hole of the watch case; When step S42 is performed, the vacuum nozzle 71 of the bar tube installation device 70 picks up the bar tube from the bar tube warehouse, the positioning and moving assembly drives the vacuum nozzle 71 to move above the second keyhole of the watch case, and then moves downward to accurately insert the bar tube into the second keyhole. After the insertion depth reaches the preset value, the vacuum nozzle 71 releases the negative pressure to separate from the bar tube, the preliminary installation of the bar tube is completed, and the positioning and moving assembly drives the nozzle to reset.

[0046] S43, control the screw locking device to lock the screw between the bar tube and the watch case; When step S43 is performed, the electric screwdriver of the screw locking device picks up the screw from the screw warehouse, moves to the connecting hole between the bar tube and the watch case, starts to rotate at a preset torque, locks the screw between the bar tube and the watch case, firmly fixes the bar tube to the watch case, and then resets the electric screwdriver.

[0047] S44, control the second keycap installation device to pick up the second keycap and insert it outside the bar tube; When step S44 is performed, the gripper of the second keycap installation device picks up the second keycap from the keycap warehouse, moves to the outside of the bar tube, accurately sets the second keycap on the bar tube, ensures that the keycap is in close contact with the bar tube, and completes the preliminary assembly of the second keycap.

[0048] S45, control the nut installation device to tightly connect the nut and the second keycap.

[0049] In an embodiment, the nut installation device includes a nut feeding mechanism, a pushing mechanism 80, and a rotating clamping mechanism 22 including a turntable 25 and a gripper structure arranged on the turntable 25, the gripper structure being configured to pick up and fix the second keycap; the turntable 25 is provided with a guide groove 26; step S45 includes: S451, control the nut feeding mechanism to pick up the nut and convey it to the guide groove 26 of the turntable 25; When step S451 is performed, the nut feeding mechanism of the nut installation device picks up the nut from the nut warehouse and conveys it to the guide groove 26 of the turntable 25, the guide groove 26 restricts the nut to ensure that the posture of the nut is stable when moving in the groove and does not rotate or deviate.

[0050] S452, control the pushing mechanism 80 to push the nut along the guide groove 26 to make the nut abut and tightly connect with the threaded hole of the second keycap.

[0051] When step S452 is performed, the pushing mechanism 80 is started to push the nut in the guide groove 26 to move along the groove at a preset speed, when the nut reaches the end of the guide groove 26, the axis of the nut coincides with the axis of the threaded hole of the second keycap, the pushing mechanism 80 continues to apply the pushing force to preliminarily abut the nut with the threaded hole, and then cooperates with the rotating part to drive the nut to rotate, completely tightly connects the nut with the threaded hole of the second keycap, and completes the assembly of the second key.

[0052] By pushing and fastening the nut through the guide groove 26 and the pushing mechanism 80, the position deviation and thread slippage of the nut installation are avoided, the connection between the nut and the key cap is ensured, and the assembly efficiency is improved.

[0053] In an embodiment, after step S45, further comprising steps: S46, controlling the welding device to weld the screw and the bar tube; When step S46 is executed, the positioning assembly of the welding device drives the watch case to fine-tune, so that the connection between the screw and the bar tube is accurately aligned with the welding head. The welding device is started with preset parameters, laser is emitted to the connection part, local metal is melted and fused, and a firm welding point is formed after cooling, thereby strengthening the connection between the screw and the bar tube.

[0054] S47, controlling the welding device to weld the nut and the second key cap.

[0055] When step S47 is executed, the positioning assembly drives the watch case to fine-tune again, so that the connection between the nut and the second key cap is aligned with the welding head. The welding device is started with the same parameters to realize welding and reinforcement of the two through local melting and fusion, thereby avoiding loosening of the nut in long-term use.

[0056] The laser welding strengthens the connection between the screw and the bar tube, and the connection between the nut and the second key cap, replaces the traditional mechanical fixing mode, significantly improves the connection strength, avoids the loosening problem that may occur in long-term use, greatly improves the durability of the second key, and adapts to the scene demand of long-term wearing and using of the wristband device.

[0057] In an embodiment, after step S40, further comprising steps: S50, controlling the second watch dial adjusting device to turn the watch case with the first key and the second key installed back to the first horizontal transportation posture; When step S50 is executed, the turnover mechanism 21 of the second watch dial adjusting device drives the watch case to turn from the second assembly posture back to the first horizontal transportation posture, the turntable 25 synchronously fine-tunes to ensure that the watch case disc is flat, and then the clamping jaws of the rotary clamping mechanism 22 are opened to release the watch case to the conveying module 17.

[0058] S60, controlling the conveying module 17 to convey the watch case to the discharging module 16 to complete discharging of the assembled watch case.

[0059] When step S60 is executed, the conveying module 17 is started to convey the watch case with the first key and the second key installed to the discharging module 16. The conveying structure of the discharging module 16 conveys the watch case to a subsequent detection station (such as key feel detection and appearance detection), and completes the entire watch case assembly process.

[0060] The application further provides a wristband device assembly bus, which comprises a watch case assembly line body.

[0061] Hereinafter, the structure of the watch case assembly line body using the method of the application is explained.

[0062] Please refer to Figure 1 and Figure 10 In an embodiment, the watch case assembly line body 100 comprises: a base 10; a first assembly module 13 arranged on the base 10, which is configured to assemble a first key cap, a spring and a snap spring of a first button assembly to a watch case; a second assembly module 15 arranged on the base 10, which is configured to assemble a bar pipe, a nut and a second key cap to the watch case; and a conveying module 17 arranged on the base 10, which is configured to convey the watch case to flow between the first assembly module and the second assembly module 15.

[0063] It should be noted that the base 10 is a basic support structure of the entire watch case assembly line body 100, which provides a stable mounting platform for other modules and components. In actual application, the base 10 can adopt various different materials and structural designs, such as cast iron platform or aluminum alloy frame.

[0064] The first assembly module 13 is mainly responsible for assembling the first keycap, spring and circlip of the first key assembly to the watch case. This function can be achieved through various mechanical structures and automatic control methods. In an embodiment, the first assembly module 13 adopts a structure of multi-axis mechanical arm cooperating with automatic feeding device. The multi-axis mechanical arm has high flexibility and high precision motion control capability, and can accurately grasp and place parts in three-dimensional space. A specially designed gripper is installed at the end of the mechanical arm, which has self-adaptive adjustment function and can automatically adjust the gripping force and position according to the different sizes and shapes of the first keycap, spring and circlip, to ensure the stability of grasping. For example, the automatic feeding device includes three independent vibration discs for conveying the first keycap, spring and circlip respectively. The vibration disc arranges and conveys the parts in order through vibration to the designated picking position. The mechanical arm grasps the parts from the picking position of each vibration disc in turn according to the preset program, and accurately assembles them into the first keyhole of the watch case. For example, the first keycap is grasped first, placed into the first keyhole and preliminarily positioned, then the spring is grasped and accurately fitted on the corresponding position of the first keycap, and finally the circlip is grasped and installed at the specified position to complete the assembly of the first key assembly. In another embodiment, the first assembly module 13 adopts a carousel 25 type assembly structure. At this time, the first module includes a rotatable circular carousel 25, which is uniformly distributed with a plurality of workstations, each corresponding to a fixed clamp of a watch case to be assembled. Around the periphery of the carousel 25, a plurality of assembly workstations are arranged, respectively responsible for the assembly of the first keycap, spring and circlip. When the carousel 25 rotates, the watch case with the clamp passes through each assembly workstation in turn. For example, in the first keycap assembly workstation, a mechanical device with vacuum suction function sucks the first keycap from the upper keycap magazine and accurately places it into the first keyhole of the watch case. Then, the watch case rotates with the carousel 25 to the spring assembly workstation, where a specially designed spring feeding mechanism pushes the spring out of the magazine through a mechanical push rod and accurately fits the spring on the first keycap using a guide device. Finally, in the circlip assembly workstation, a pneumatic gripper grasps the circlip from the circlip tray and installs it at the corresponding position of the watch case.

[0065] The second assembly module 15 is responsible for assembling the bar tube, nut and second keycap to the watch case. There are various changes in its structure and working mode. In one embodiment, the second assembly adopts a linear guide rail type assembly structure. A set of parallel linear guide rails are installed on the base 10, and an assembly platform that can slide along the guide rails is arranged on the guide rails. A plurality of assembly mechanisms with different functions are installed on the assembly platform, including a bar tube installation mechanism, a nut tightening mechanism and a second keycap installation mechanism. The bar tube installation mechanism adopts the structure of pneumatic clamping jaw cooperating with linear module. The pneumatic clamping jaw grabs the bar tube from the bar tube warehouse, and then accurately inserts the bar tube into the second keyhole of the watch case through the linear module. The second keycap installation mechanism sucks the second keycap from the second keycap magazine through a vacuum suction cup, and presses it to the top of the bar tube. The nut tightening mechanism adopts an electric screwdriver. When the second keycap is installed in place, the electric screwdriver sucks the nut from the nut hopper and screws it to the second keycap to complete the assembly of the second key component. During the assembly process, the actions of each mechanism are accurately controlled by a programmable logic controller (PLC) to ensure the order and accuracy of assembly. In another embodiment, the second assembly module 15 can also use a collaborative robot module. The collaborative robot has safety and flexibility for working with people, and can complete more complex assembly tasks. The collaborative robot is equipped with a high-precision vision recognition system, which identifies and locates the bar tube, nut and second keycap through a vision camera. In the bar tube assembly stage, the collaborative robot uses a special tool on its end effector to grab the bar tube from the bar tube rack, and accurately inserts the bar tube into the second keyhole of the watch case according to the feedback information of the vision system. When installing the second keycap, the collaborative robot takes the second keycap from the tray by vacuum suction, and accurately presses it to the bar tube. For the installation of the nut, the collaborative robot first sucks the nut from the nut feeder, and then uses a torque sensor to accurately control the tightening process of the nut, to ensure that the tightening torque of the nut meets the standard requirements.

[0066] The conveying module 17 can be a belt conveyor composed of a motor, a driving roller, a rubber conveying belt, etc. The conveying module 17 can also be a watchcase clamping fixture driven by a motor to run on a customized track. Of course, in other embodiments, the conveying module 17 can also be a chain conveying mechanism or a pneumatic sliding table conveying mechanism. Regardless of the above implementation forms, as long as the watchcase can be stably carried and transferred from the watchcase warehouse 11, and the watchcase can be accurately transferred between the first assembly module 13 and the second assembly module 15, and finally delivered to the discharging module 16. The conveying module 17 needs to meet the automation control requirements of the assembly line body (such as coordinated start and stop with the module, positioning accuracy suitable for assembly requirements), which belongs to the protection scope of the conveying module 17 in the watchcase assembly line body 100, and is not limited here. Different implementation forms can be flexibly selected according to the production scale, watchcase material, workshop environment and precision requirements. The core goal is to ensure the stability, accuracy and efficiency of the watchcase conveying process, and to provide reliable work position connection support for subsequent key assembly assembly.

[0067] In addition, the watchcase assembly line body 100 can adopt two ways of parallel feeding or serial feeding of the conveying module 17. When the conveying module 17 is used for parallel feeding, the two assembly modules work synchronously, and the first assembly module 13 and the second assembly module 15 are symmetrically arranged on the two sides of the conveying module 17, and the feeding ends of the two modules are accurately connected with the corresponding discharge ports of the conveying module 17. Please refer to Figure 10 When the conveying module 17 is used for serial feeding, the two assembly modules work in turn. At this time, the conveying module 17 is linearly arranged along the base 10. The watchcase is first conveyed to the first assembly module 13 or the second assembly module 15 arranged at the starting work position upstream of the conveying module 17. After the first key assembly or the second key assembly is assembled, it is moved to the second assembly module 15 or the first assembly module 13 arranged downstream by the conveying module 17. A buffer area can be arranged in the middle of the first assembly module 13 and the second assembly module 15 to buffer the process rhythm difference between the two assembly modules.

[0068] In the technical solution, the watch case assembly line body 100 provided by the application can solve the problems of low efficiency and fluctuation of good product rate in manual assembly of the smart watch case and the key by adopting the combination of the first assembly module 13, the second assembly module 15 and the conveying module 17. Specifically, the first assembly module 13 can sequentially assemble the first key cap, the spring and the circlip into the first key hole of the watch case to complete the installation of the first key assembly; the second assembly module 15 can assemble the bar pipe, the nut and the second key cap into the second key hole of the watch case to complete the installation of the second key assembly. The whole process is automatically completed by the modules and the conveying module 17 without manual operation, which avoids human errors such as uneven force and positioning deviation in manual operation, reduces the generation of defective products caused by insufficient assembly precision, and improves the fluctuation problem of good product rate. In addition, the conveying module 17 replaces manual operation to complete the transfer of the watch case between the two modules, which on the one hand eliminates the additional quality risks such as watch case bumping and positioning deviation in the process of manual watch case transfer, and on the other hand realizes the transfer of the watch case between the first assembly module 13 and the second assembly module 15 to form a continuous process of “first module assembly to second module assembly” or “second module assembly to first module assembly”, which avoids process stagnation caused by manual transfer and further improves the production rhythm of the whole line body. In summary, the watch case assembly line body 100 provided by the application can effectively replace manual assembly, which not only significantly improves the assembly efficiency to adapt to large-scale production demand, but also ensures the assembly precision by reducing human intervention to stabilize the product good product rate.

[0069] Please refer to Figures 1 to 5 In an embodiment, the first assembly module 13 comprises: The first dial adjusting device 20 is configured to pick up the watch case on the conveying module 17 and adjust the watch case to a first assembly posture with the first key hole exposed; The first key cap mounting device 30 is configured to pick up the first key cap in the key material warehouse and insert the first key cap with the spring into the first key hole of the watch case in the first assembly posture; The spring feeding device 50 is configured to pick up the spring in the spring material warehouse and assemble the spring into the mounting hole of the first key cap in the first key cap mounting device 30; and, The circlip mounting device 40 is configured to pick up the circlip in the circlip material warehouse 101 and mount the circlip to the watch dial and the first key cap.

[0070] It should be noted that the first watch adjustment device 20 can be a multi-axis mechanical arm combined with visual positioning. The mechanical arm end pneumatic gripper (with silicone anti-skid pad, can automatically adjust the spacing) positions the watch case through double industrial cameras. After grabbing, it rotates and adjusts to the first keyhole exposure. Alternatively, the first watch adjustment can also be a pneumatic rotary table with positioning pins. After the watch case reaches the work station, the lifting platform lifts the watch case, the elastic positioning pins are fixed, the electric rotary table drives the watch case to rotate, and the laser sensor stops when it detects the first keyhole. It is suitable for large-scale production of standardized circular watch cases, and the adjustment is fast and the maintenance cost is low.

[0071] The first keycap mounting device 30 can be a combination of vacuum suction and servo press fitting, that is, the servo cylinder end suction plate sucks the first keycap, the lower pre-fitting sleeve receives the spring, and the electric cylinder drives the keycap to pre-fit the spring, then inserts the watch keyhole at the set pressure; Alternatively, the first keycap mounting device 30 can also be a combination of pneumatic gripper and guide sleeve. The finger air cylinder gripper holds the keycap, the guide sleeve first connects the spring, then covers the watch keyhole, and finally the pneumatic sliding table pushes the first keycap into the first keyhole of the watch.

[0072] In this embodiment, the first watch adjustment device 20 first picks up the horizontally transported watch case and flips it to a first assembly posture (orifice upward), so that the first keyhole is always oriented in the assembly direction; Then the spring feeding device 50 puts the spring into the inner hole of the first keycap picked up by the first keycap mounting device 30, realizing the pre-fitting of "keycap + spring"; Then the first keycap mounting device 30 inserts the pre-fitting into the first keyhole of the watch; Finally, the snap spring mounting device 40 pushes the snap spring into the ring groove between the keycap and the watch from the side, completing the installation.

[0073] Please refer to Figure 2 and Figure 3 In an embodiment, the watch at the conveying module 17 is in a first horizontal transportation posture; the first assembly posture is a vertical assembly posture; The first watch adjustment device 20 includes a turnover mechanism 21 and a rotating clamping mechanism 22 arranged on the turnover mechanism 21. The turnover mechanism 21 is arranged on the base 10 and can be switched between a pickup posture and an installation posture; the rotating clamping mechanism 22 is configured to pick up the watch at the conveying module 17 and drive the watch to rotate along its circumference; wherein, when the turnover mechanism 21 is in the installation posture, the rotating clamping mechanism 22 can drive the watch to rotate to the vertical assembly posture, so that the first keyhole is arranged downward.

[0074] It should be noted that the structure of the turnover mechanism 21 can adopt the structure of "fixed support 24 + rotating shaft 23 + driving assembly", that is, the fixed support 24 is rigidly connected with the base 10 through bolts to ensure stable operation, the rotating shaft 23 is transversely arranged at the top of the fixed support 24, the shaft end is connected with the driving assembly (such as a servo motor + a speed reducer, or a pneumatic motor) to provide power for the turnover, and the middle part of the rotating shaft 23 is fixedly connected with the mounting seat of the rotary clamping mechanism 22 to realize the transmission of the turnover action to the clamping mechanism. At the same time, when the turnover mechanism 21 is in the picking posture, the clamping end of the rotary clamping mechanism 22 is flush with the watch case transportation surface of the conveying module 17, which is convenient for horizontal picking of the watch case; when the installation posture, the rotary clamping mechanism 22 is turned over by the rotating shaft 23, so that the clamped watch case is turned from the horizontal state to the vertical state, and the turnover stroke can be accurately controlled through the limit sensor (such as photoelectric limit, mechanical limit) to avoid over-turning or not turning to the position.

[0075] The rotary clamping mechanism 22 is usually installed on the rotating shaft 23 of the turnover mechanism 21 and is composed of "clamping assembly + rotary driving part". The clamping assembly can adopt pneumatic clamping jaw (equipped with silica gel anti-skid pad to prevent clamping injury to the watch case), and the opening degree of the clamping jaw can be adjusted according to the size of the watch case through the stroke of the air cylinder; the rotary driving part (such as a stepping motor) is embedded in the mounting seat of the clamping assembly, the output shaft is connected with the clamping jaw seat of the clamping assembly, and the clamping jaw and the clamped watch case can be rotated circumferentially. In the working room, first, the clamping jaw is closed to pick the horizontal watch case on the conveying module 17 in the picking posture; after the turnover mechanism 21 switches to the installation posture, the rotary driving part drives the watch case to rotate circumferentially, and through visual positioning (such as adding an industrial camera to identify the position of the first keyhole) or mechanical positioning (such as a watch case edge positioning pin), the first keyhole is accurately downward, and the adjustment of the vertical assembly posture is completed.

[0076] In the embodiment, the conveying module 17 keeps the watch case in the first horizontal transportation posture; the turnover mechanism 21 turns over the watch case as a whole by 90° to the vertical assembly posture, and the rotary clamping mechanism 22 drives the watch case to rotate circumferentially so that the first keyhole is downward; after the key picking mechanism picks the first keycap from the magazine, the jacking mechanism 31 directly jacks the keycap into the keyhole with the hole downward.

[0077] Please refer to Figure 4 In an embodiment, the first keycap installation device 30 includes a jacking mechanism 31 and a key picking mechanism, the key picking mechanism is configured to pick the first keycap from the key magazine, and the jacking mechanism 31 is configured to drive the key picking mechanism to move upward to jack the picked first keycap into the first keyhole of the watch case on the posture adjusting mechanism.

[0078] It should be noted that the key picking mechanism is used to pick the first keycap from the key bin, which can be composed of a multi-degree-of-freedom mechanical arm and a picking end, for example, the mechanical arm (such as a three-axis linear module) is fixed to the base 10 through a support, which can move in the horizontal direction (close to the key bin) and the vertical direction (picking height); the picking end can be adapted according to the material of the first keycap, for example, if it is a plastic keycap, a vacuum chuck is used; if it is a metal keycap, a pneumatic clamp jaw (rubber bushing is attached to the inside of the clamp jaw to prevent damage to the plating layer) can be used. At the same time, the picking mechanism can be equipped with a position sensor (such as an optical fiber sensor), when the first keycap in the bin is detected to be in place, the mechanical arm drives the picking end to move to the picking position, completes the keycap grabbing, and after grabbing, the keycap posture can be ensured to be correct through visual calibration (such as camera recognition of keycap mounting hole position) and placed on the jacking mechanism 31, preparing for subsequent spring assembly and jacking. The driving source of the jacking mechanism 31 can be a servo cylinder or a ball screw module, and has a key bearing seat 32, when jacking is needed, the driving source drives the key bearing seat 32 to move upward along the guide 33, and then the first keycap moves upward, and the keycap is jacked into the first keyhole of the watch case. In addition, the jacking mechanism 31 can be built-in pressure sensor, set the jacking pressure threshold, when the pressure reaches the threshold, the jacking is automatically stopped, to avoid excessive pressure damage to the keycap or watch case, and ensure the jacking depth is consistent.

[0079] In the embodiment, the key picking mechanism horizontally grabs the first keycap from the bin; the jacking mechanism 31 rises in the vertical direction, and the first keycap is jacked into the downward first keyhole from the upward orifice.

[0080] Please refer to Figure 5 In an embodiment, the first assembly module 13 further includes a snap spring mounting device 40, the snap spring mounting device 40 includes: A snap spring chuck 42, the snap spring chuck 42 is configured to clamp the snap spring; and, A pushing mechanism 41, the pushing mechanism 41 is configured to drive the snap spring chuck 42 to move towards the watch case, so as to assemble the snap spring on the snap spring chuck 42 with the first keycap and the watch case.

[0081] It should be noted that the structure of the clamp spring chuck 42 needs to be adapted to the annular or special-shaped structure of the clamp spring. Typically, two symmetrical elastic clamping arms are used. The material of the elastic clamping arms is selected from high-elasticity alloy (such as spring steel) or high-hardness engineering plastic, which has both elasticity and wear resistance, and can achieve natural deformation and reset during clamping and releasing, avoiding fatigue failure after long-term use. The inner side of the clamping arm is provided with an arc-shaped groove (adapted to the annular clamp spring) or a special-shaped clamping groove (adapted to the special-shaped clamp spring) matched with the outer shape of the clamp spring. The root of the elastic clamping arm can be integrally formed with the chuck base 10. In the natural state, the two clamping arms are in a closed posture of inwardly tightening. When clamping the clamp spring, external driving (such as pneumatic cylinder driving or electromagnetic driving) is applied to the middle part of the clamping arm to make the clamping arm open outward to take the clamp spring. After the driving is cancelled, the clamping arm resets and closes by itself, firmly clamping the clamp spring and avoiding falling off. At the same time, the clamp spring chuck 42 can be provided with an adjusting component (such as an adjusting bolt) to adjust the initial closed distance of the two elastic clamping arms to adapt to clamp springs of different sizes (such as clamp springs with different inner diameters and thicknesses). The structure of the pushing mechanism 41 can adopt a combination of a linear driving component and a guide structure. The linear driving component can be selected from common forms such as pneumatic cylinder, electric sliding table or ball screw module. The guide structure is usually a linear guide rail arranged in parallel. The guide rail is fixedly connected with the moving platform of the pushing mechanism 41, and the guide rail slider is connected with the base 10, so that when the pushing mechanism 41 drives the clamp spring chuck 42 to move, it runs along the preset track (such as a horizontal track or a track with a specific angle of inclination) to avoid deviation. The installation of the pushing mechanism 41 needs to be positioned in cooperation with the first dial adjusting device 20 and the first key cap mounting device 30. The moving direction needs to be aligned with the clamping position of the watch case in the vertical assembly posture, so that the clamp spring chuck 42 can accurately push the clamp spring to the assembly position.

[0082] In this embodiment, the clamping direction of the two elastic clamping arms of the clamp spring chuck 42 and the moving direction of the pushing mechanism 41 need to be adapted to the vertical posture of the watch case. Typically, horizontal pushing or slightly downward inclined pushing is used to avoid other structures of the watch case and the first key cap, and directly align with the clamping ring groove of the two. The moving stroke of the pushing mechanism 41 needs to be set according to the distance between the watch case and the clamp spring warehouse 101, so as to ensure that the clamp spring can be accurately pushed from the warehouse to the assembly position. At the same time, the action timing of the clamp spring mounting device 40 needs to be linked with the first key cap mounting device 30, that is, after the first key cap mounting device 30 completes the key cap top mounting and confirms that the top mounting is in place, the control system triggers the clamp spring mounting device 40 to start, so as to ensure the complete assembly of the first key assembly (key cap, spring, clamp spring). Based on this cooperation logic, those skilled in the art can design the timing parameters of the control system, select appropriate sensors and driving components, and ensure that the clamp spring mounting device 40 seamlessly cooperates with other devices of the first assembly module 13 to realize the automation and precision of the overall assembly process.

[0083] Please refer to Figure 6 and Figure 7In an embodiment, the first assembly module 13 further comprises a spring feeding device 50, which comprises: a vibrating platform 51, which is provided with at least one limiting hole, and in the vibrating process, the spring can be limited in the limiting hole and kept in a vertical posture; and a feeding mechanism 60, which comprises a mechanical arm, a fixed sleeve 61 and a material taking needle 62, the mechanical arm is arranged on the base 10, the fixed sleeve 61 is arranged on the grabbing end of the mechanical arm, and the material taking needle 62 is telescopically inserted into the sleeve, and the material taking needle 62 is configured to pick up the spring in the limiting hole; wherein the feeding mechanism 60 has a material taking state and a material returning state, in the material taking state, the material taking needle 62 is in interference fit with the spring in the vertical posture; and in the material returning state, the material taking needle 62 is retracted in the fixed sleeve 61, so that the spring can fall into the mounting hole of the first keycap under the abutment of the fixed sleeve 61.

[0084] It should be noted that the vibrating platform 51 is composed of a vibrating base, a loading plate and a vibrating driving part, the vibrating base is fixed to the base 10 through a damping pad to avoid the influence of vibration transmission on other devices; the loading plate is horizontally installed above the vibrating base, at least one limiting hole is opened on the plate surface — the hole diameter of the limiting hole needs to be matched with the outer diameter of the spring (slightly larger than the outer diameter of the spring to ensure that the spring can fall into it smoothly and not shake), and the hole depth is slightly smaller than the length of the spring, so that the top of the spring is exposed, which is convenient for subsequent picking up, and the inner wall of the hole is treated by smoothing (reducing the friction between the spring and the hole wall to avoid the spring from being stuck). The vibrating driving part (such as an electromagnetic vibrator or an eccentric wheel motor) is built-in in the vibrating base, and the vibration intensity of the loading plate can be controlled by adjusting the vibration frequency and amplitude.

[0085] The mechanical arm is used as a moving carrier, adopts a multi-axis linear module or a joint type mechanical arm, is fixed to the base 10 through a support, can move in a horizontal direction (between the vibration platform 51 and the first keycap mounting device 30) and a vertical direction (adjusting the height of material taking and material returning), the moving precision is controlled through a servo motor, and it is ensured that the limit hole and the first keycap mounting hole can be accurately aligned. The fixed sleeve 61 is fixed to the grabbing end of the mechanical arm, has a hollow cylindrical structure, the inner diameter of the sleeve is matched with the outer diameter of the material taking needle 62 (to ensure that the material taking needle 62 can be smoothly extended and retracted), the bottom of the sleeve is a flat end surface, and the material returning is used for abutting the spring top). The axis of the sleeve needs to be coaxial with the moving axis of the mechanical arm, and the relative position between the bottom of the sleeve and the bottom of the material taking needle 62 needs to be fixed during installation. The material taking needle 62 is telescopically inserted into the fixed sleeve 61 and is composed of a needle body and a telescopic driving piece - the needle body is made of high-strength metal, the needle tip is polished smooth, and the diameter of the needle body needs to be matched with the inner diameter of the spring (in the material taking state, the spring is stably picked up through friction force), and the telescopic driving piece (such as a micro cylinder or an electromagnetic push rod) is installed at the top of the fixed sleeve 61 and is connected with the top end of the material taking needle 62, so that the material taking needle 62 can be driven to extend and retract along the sleeve axis (the telescopic stroke is slightly larger than the length of the spring, and the material taking and material returning requirements are met).

[0086] In the embodiment, the springs are first poured into the load plate of the vibration platform 51 in batches during spring feeding, the vibration driving piece is started, the load plate vibrates, the springs automatically fall into the limit hole under the action of vibration and keep a vertical posture, and positioning is completed; if the limit hole is full, the excess springs will be pushed to the edge of the load plate in vibration, and then positioned. The mechanical arm drives the fixed sleeve 61 and the material taking needle 62 to move above the vibration platform 51, adjusts the height to make the material taking needle 62 align with the spring in a vertical posture; the telescopic driving piece drives the material taking needle 62 to extend downward, the needle tip is inserted into the spring inner hole, and since the material taking needle 62 is in interference fit with the spring, the spring is stably clamped on the material taking needle 62; then the mechanical arm drives the material taking needle 62 and the spring to move away from the vibration platform 51 and move above the keycap of the first keycap mounting device 30 (at this time, the first keycap has been picked up by the key picking mechanism and kept in a first horizontal transportation posture, and the mounting hole faces upward). During spring assembly, the mechanical arm adjusts the height to make the bottom of the material taking needle 62 align with the mounting hole of the first keycap; the telescopic driving piece drives the material taking needle 62 to retract upward, the material taking needle 62 drives the spring to move to the inside of the fixed sleeve 61, when the top of the spring contacts the bottom end surface of the fixed sleeve 61, the sleeve will generate a downward abutting force on the spring; as the material taking needle 62 continues to retract, the spring is separated from the material taking needle 62 under the action of the abutting force, falls into the mounting hole of the first keycap from the bottom of the material taking needle 62, and the spring assembly is completed; finally, the mechanical arm drives the fixed sleeve 61 and the material taking needle 62 to reset, and prepares for the next material taking.

[0087] It is not difficult to see that the vibration platform 51 makes the spring automatically fall into the limiting hole through vibration, and the hole diameter and hole depth of the limiting hole are constrained to ensure that the spring maintains a vertical posture, avoiding the posture deviation of manually placing the spring; and the action timing of the feeding mechanism 60 can be linked with the first keycap installation device 30 (such as starting the feeding of the feeding mechanism 60 immediately after the first keycap is in place), forming a coherent process of “keycap picking up → spring feeding → keycap pre-assembly”, compared with manual feeding, the overall assembly beat is greatly shortened, and the automation level and production efficiency of the first assembly module 13 are greatly improved.

[0088] Please refer to Figure 8 and Figure 9 In an embodiment, the second assembly module 15 comprises: A second dial adjustment device configured to pick up the watch case located on the conveying module 17 and adjust the watch case to a second assembly posture with a second keyhole exposed; A bar tube installation device 70 configured to pick up the bar tube in the bar tube warehouse and insert the bar tube into the second keyhole of the watch case in the second dial adjustment device in a predetermined posture; A second keycap installation device configured to pick up the second keycap in the keycap warehouse and insert the second keycap into the second keyhole of the watch case in the second assembly posture in a predetermined posture; and A nut installation device configured to pick up the nut in the nut warehouse and drive the nut to be fastened to the second keycap in a predetermined posture.

[0089] It should be noted that the specific embodiment of the second dial adjustment device can refer to the above-mentioned first dial adjustment device 20.

[0090] The material taking assembly (such as a vacuum suction cup / mechanical clamp jaw, which is adapted to the slender structure of the bar tube) and the positioning and pushing assembly (such as a linear sliding table, which is installed on the base 10) are used to pick up the bar tube from the bar tube warehouse, and the bar tube is inserted into the second keyhole of the watch case in a predetermined posture (such as the axis being coaxial with the second keyhole) through the driving of the sliding table, so as to ensure the consistency of the insertion depth.

[0091] The second keycap installation device generally comprises a keycap picking element (such as a clamp jaw / suction cup adapted to the shape of the second keycap) and a lifting driving element (such as a servo cylinder fixed to the base 10); the second keycap can be picked up from the keycap warehouse, and the keycap is driven to be inserted into the second keyhole of the bar tube in a predetermined posture (such as the buckle being aligned with the watch case slot), so as to realize the preliminary positioning of the keycap. The specific structure can refer to the above description of the first keycap installation device 30.

[0092] The nut mounting device generally comprises a key cap picking element (such as a clamping jaw or a suction cup adapted to the shape of the second key cap) and a lifting driving element (such as a servo cylinder fixed to the base 10); the second key cap can be picked up from the key cap warehouse, and the key cap is driven to be inserted into the second key hole of the second key hole of the watch case in a predetermined posture (such as the buckle is aligned with the watch case slot), so as to realize the initial positioning of the key cap.

[0093] The bar tube mounting device 70 mainly comprises a bar tube picking assembly, a posture calibration assembly, and a positioning moving assembly. The bar tube picking assembly can adopt a pneumatic clamping jaw (the opening degree of the clamping jaw can be adjusted according to the outer diameter of the bar tube, and a silica gel pad layer can increase the friction and prevent scratching) or a vacuum suction nozzle 71 (the inner diameter of the bar tube is adapted, the inner wall of the bar tube is adsorbed by negative pressure, and the outer wall is avoided to be clamped). The posture calibration assembly is used to adjust the picked bar tube to a "predetermined posture" (that is, the axis of the bar tube is coaxial with the axis of the second key hole of the watch case, so as to ensure that there is no deviation during insertion), which is usually composed of a "visual positioning module + rotating driving element". The visual positioning module (such as an industrial camera + image recognition algorithm) is installed beside the picking assembly and can identify the features (such as the chamfer and positioning hole at the end of the bar tube) at both ends of the bar tube to judge the deviation between the current posture and the predetermined posture. The rotating driving element (such as a micro servo motor) is connected with the picking assembly and can drive the bar tube to rotate around its own axis, and the angle is adjusted according to the visual positioning result until the posture of the bar tube meets the predetermined requirements. The positioning moving assembly serves as the "moving carrier" of the device and is used to drive the picking assembly and the calibrated bar tube to accurately move to the second key hole of the watch case and complete the insertion. In terms of structure, a "multi-axis linear slide" (such as an XY-axis slide table to control horizontal movement and a Z-axis slide table to control vertical insertion depth) is adopted, and a servo motor is selected as the slide table driving element. The slide table is fixedly connected with the base 10, and the moving path is preset as "from the bar tube warehouse to the picking position, to the posture calibration position, and to the watch case second key hole insertion position", and no manual intervention is required during the whole process.

[0094] In this embodiment, the second watch case adjusting device picks up the watch case on the conveying module 17, flips and adjusts to a second assembly posture, so that the second key hole is exposed and aligned with the bar tube mounting device 70. Then, the bar tube mounting device 70 picks up the bar tube from the warehouse, inserts the bar tube into the second key hole of the watch case in a predetermined posture, and completes the initial assembly. Finally, the nut mounting device picks up the nut, aligns the nut with the threaded hole of the second key cap, and fastens the nut and the key cap with a set torque. After the assembly is completed, the watch case is transferred to the next link by the conveying module 17.

[0095] It should be noted that the nut can be a hexagonal nut. Since the nut needs to be locked with the second key cap, at least one of the picking elements of the nut mounting device and the second key cap mounting device has a rotating function.

[0096] In an embodiment, the second assembly module 15 further comprises a screw locking device configured to pick up the screw in the screw magazine and lock the screw between the bar tube and the watch case to fix the bar tube on the watch case.

[0097] It should be noted that the screw locking device generally comprises a screw picking component (such as a magnetic bit / adsorption jaw, adapted to the shape of the screw head to prevent the picked screw from falling), a positioning and moving component (such as a multi-axis robot arm installed on the base 10), and a locking driving component (such as a servo motor with torque control function); the screw can be picked up from the screw magazine, the screw is driven by the positioning and moving component to align with the connecting hole of the bar tube and the watch case (the sidewall of the bar tube is provided with a threaded hole or a through hole at the corresponding position of the watch case), and then the bit is driven to rotate by the locking driving component to lock the screw between the bar tube and the watch case at a set torque, thereby fixing the bar tube.

[0098] In the present embodiment, the screw locking device picks up the screw, positions and moves to the connecting hole of the bar tube and the watch case, and fixes the bar tube on the watch case to prevent the bar tube from being displaced during subsequent assembly.

[0099] In an embodiment, the second assembly module 15 further comprises a welding device configured to weld the screw and the bar tube; and / or, the welding device is configured to weld the nut and the second key cap.

[0100] It should be noted that the welding device generally comprises a welding head (such as a laser welding head / resistance welding head, adapted to welding of micro components to avoid high temperature damage to the watch case), a positioning and adjusting component (such as a three-axis fine adjustment sliding table installed on the base 10), and a temperature / power control module. When welding the screw and the bar tube, the welding head is aligned with the connecting gap between the screw and the bar tube by the positioning and adjusting component, and the two are welded at a set temperature to strengthen the fixation; when the nut and the second key cap are welded, the welding head is aligned with the contact edge of the nut and the key cap by the positioning and adjusting component, and the two are welded by low-power welding (to avoid melting deformation) to prevent the nut from loosening; during the welding process, the control module monitors the temperature in real time to avoid overheating damage to the surrounding components.

[0101] In this way, through the automatic process of "posture adjustment → bar tube insertion → screw fixation + welding → key cap installation → nut locking + welding", the efficiency of mechanical fixation is retained, and "double reinforcement" is achieved through welding. The welding parameters are controllable, which can avoid the quality fluctuation of manual welding and fully adapt to the high-precision and high-reliability watch mass production requirements.

[0102] Please refer to Figure 9 In an embodiment, the watch case at the conveying module 17 is in a first horizontal transportation posture; and the second assembly posture is a vertical assembly posture. The first dial adjusting device 20 comprises a rotary clamping mechanism 22, which comprises a rotating disc 25 and a clamping jaw structure arranged on the rotating disc 25, the clamping jaw structure is configured to grab the watch case, the rotating disc 25 is configured to drive the clamping jaw structure to rotate along the axial direction of the watch dial, so that the watch dial is located in a vertical assembly posture and the second key hole is arranged upward; the side of the watch dial provided with the clamping jaw is provided with a guide groove 26 for accommodating the nut; The nut mounting device comprises a nut feeding mechanism and a pushing mechanism 80, the nut feeding mechanism is configured to pick up the nut in the nut warehouse to the guide groove 26; the pushing mechanism 80 is arranged in the guide groove 26 and is configured to push the nut along the guide groove 26 to the position matched with the second key cap.

[0103] It should be noted that the groove shape of the guide groove 26 matches the outer shape of the nut (adapted to a hexagonal nut), that is, the inner wall is a hexagonal structure (or slightly larger than the outer shape of the nut, to ensure that the nut can slide smoothly and not shake) matched with the outer contour of the hexagonal nut, the groove depth is slightly larger than the thickness of the nut (so that the nut is completely embedded in the groove, to avoid falling off when sliding), and the groove length covers the distance from the "nut placement position" to the "position matched with the second key cap" (to ensure that the nut can be pushed to the assembly point by the pushing mechanism 80), so as to ensure that the nut can be accurately docked with the key cap after being pushed out of the groove.

[0104] The pushing mechanism 80 comprises a driving member, a push rod and a limiting component, the driving member can be a micro pneumatic cylinder, an electric push rod or a linear motor; one end of the push rod is fixed with the output end of the driving member, and the other end can extend into the guide groove 26; the limiting component is installed at the end of the guide groove 26 or on the stroke path of the push rod, to control the pushing distance of the push rod and avoid over-pushing or not reaching the position. When designing, it is necessary to ensure that the push rod can smoothly extend into the groove to push the nut, and at the same time, it does not interfere with the clamping jaw structure, the watch case and other components.

[0105] In the present application, the guide groove 26 serves as a temporary accommodation space for the nut, and after the nut is picked up by the nut feeding mechanism, it can be directly placed in the groove. The constraint of the groove body can avoid the nut from deviating or falling off before assembly, replacing manual positioning, and realizing the automation of nut pre-positioning. When the pushing mechanism 80 pushes the nut, the guide groove 26 provides a fixed sliding path for the nut, preventing the nut from being skewed during the pushing process (especially for hexagonal nuts, to avoid deviation due to uneven force on the corners), ensuring that the nut moves accurately in the preset direction to dock with the second key cap, and solving the problem of uncontrollable nut pushing path by manual pushing. In addition, since the guide groove 26 rotates synchronously with the rotating disc 25 (because it is arranged on the rotating disc 25), when the rotating disc 25 drives the watch case to rotate to a vertical assembly posture, the guide groove 26 is also adjusted to a position matched with the second key cap, without the need for additional adjustment of the groove direction, realizing the synchronous connection of "watch case posture adjustment - nut path guidance", and simplifying the device structure.

[0106] In an embodiment of the present application, please refer to Figure 1The watch case assembly line body 100 further comprises an oil coating module 14, which is located between the first assembly module 13 and the second assembly module 15 along the flow direction of the conveying module 17. The oil coating module 14 is configured to coat a protective layer on the first button and the spring. The conveying module 17 is further configured to convey the watch case to flow between the first assembly module 13 and the oil coating module 14, or to flow between the second assembly module 15 and the oil coating module 14.

[0107] In the embodiment, the oil coating module 14 is located between the first assembly module 13 and the second assembly module 15 along the flow direction of the conveying module 17, which refers to the flow path of the watch case between the modules from feeding to discharging. When the first assembly module 13 is located upstream of the second assembly module 15, the conveying module 17 is configured to convey the watch case from the first assembly module 13 to the oil coating module 14 and then to the second assembly module 15. When the second assembly module 15 is located upstream of the first assembly module 13, the conveying module 17 is configured to convey the watch case from the second assembly module 15 to the oil coating module 14 and then to the first assembly module 13. Taking the case that the first assembly module 13 is located upstream of the second assembly module 15 as an example, the watch case with the assembled first button enters the oil coating module 14 under the action of the conveying module 17, and the protective layer of the first button and the spring is coated in the oil coating module 14.

[0108] The oil coating module 14 refers to an automatic device for forming a protective structure on the surface of the button, which can be realized by using a spraying device or a dispensing device with a quantitative feeding system. The spraying trajectory and the coating thickness are controlled to ensure uniform coverage of the protective layer. The protective layer refers to a covering material with anti-oxidation or lubrication function, which can be realized by using a silicon-based compound or a fluorine coating material to reduce the friction loss between the button and the mounting hole. The flow direction of the conveying module 17 refers to the movement path of the watch case between assembly processes, which can be realized by using a conveyor belt or a mechanical arm grabbing mechanism to realize process connection by setting the station spacing and movement timing.

[0109] Specifically, after the watch case is assembled with the first button and the spring in the first assembly module 13, the conveying module 17 transfers the watch case to the oil coating module 14. The spraying device of the oil coating module 14 performs point spraying on the exposed surface of the first button and the contact surface of the spring to form a controllable anti-corrosion coating. Subsequently, the watch case is conveyed to the second assembly module 15 for square button assembly, or returned to the first assembly module 13 according to the process sequence to supplement other components. In this process, the oil coating process is integrated into the assembly process, and there is no need to separately set an offline oil coating station.

[0110] In an embodiment of the present application, please refer to Figure 1The watch case assembly line body 100 further comprises an information label attaching module 12, which is located upstream of the first assembly module 13 or the second assembly module 15 along the flow direction of the conveying module 17. The conveying module 17 is configured to convey the watch case from the information label attaching module 12 to the first assembly module 13 or the second assembly module 15. The information label attaching module 12 is provided with an attaching structure and a case turning manipulator, the case turning manipulator is configured to turn the watch case to switch from the first flat posture to the second flat posture, and the attaching structure is used for attaching the information label to the watch case in the second flat posture.

[0111] In the embodiment, the information label can be a two-dimensional code, a bar code, a specific number, etc. attached to the watch case. Specifically, the attaching structure can be a vacuum suction device including an integrated suction pump, a suction nozzle, etc., or an electrostatic suction device, which is not limited herein. The case turning manipulator refers to an automated turning device with multi-degree-of-freedom clamping function, which can be implemented by a servo motor driven rotary jaw mechanism, to switch the watch case from the first flat posture to the second flat posture, and to adjust the spatial posture of the watch case to adapt to the film attaching process.

[0112] Specifically, when the watch case enters the film attaching module, the case turning manipulator clamps the edge of the watch case and turns it around a horizontal axis to switch the watch case from the first flat posture to the second flat posture. The film attaching mechanism moves the free end of the information label towards the film attaching area identified by the visual positioning system, so as to realize the attachment of the information label. The watch case with the attached information label is transferred to the first assembly module 13 or the second assembly module 15 by the conveying module 17, so as to be assembled with different types of keys and watch cases.

[0113] The above is only the preferred embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation based on the inventive concept of the present application, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. A watch case assembly method for assembling a watch case and a key assembly, wherein the watch case includes a first key hole and a second key hole, the key assembly includes a first key and a second key, the first key includes a first key cap, a spring, and a retaining spring, and the second key includes a second key cap, a tubing, a nut, and a screw, characterized in that: A watch case assembly line is provided, comprising a base, a conveying module, a first assembly module, and a second assembly module. The first assembly module comprises a first dial adjustment device, a first keycap installation device, a spring loading device, and a retaining spring installation device. The second assembly module comprises a second dial adjustment device, a bar tube installation device, a second keycap installation device, a nut installation device, and a screw locking device. The watch case assembling method comprises: Controlling the first dial adjustment device to pick up and drive the watch case on the conveying module into a first assembly posture, so that the first button hole is exposed and faces the first keycap installation device; Controlling the spring feeding device, the first keycap installation device, and the retaining spring installation device to cooperate and assemble the first key to the watch case through the first key hole; Controlling the second dial adjustment device to pick up and drive the watch case with the first button installed to enter a second assembly posture, so that the second button hole is exposed and faces the bar pipe installation device; Controlling the bar tube installation device, the second keycap installation device, the nut installation device, and the screw locking device to cooperate and assemble the second key to the watch case through the second key hole; The first button and the second button are assembled step by step during the assembly of the watch case.

2. The watch case assembly method according to claim 1, wherein: The first dial adjustment device includes a flipping mechanism and a rotating clamping mechanism, and the rotating clamping mechanism includes a turntable and a clamping claw structure. The step of controlling the first dial adjustment device to pick up and drive the watch case on the conveying module into a first assembly posture so that the first key hole is exposed and faces the first keycap installation device includes: Controlling the clamping claw structure of the rotating clamping mechanism to pick up the watch case in the first horizontal transport posture on the conveying module; The flip mechanism is controlled to switch from the picking posture to the installation posture, and the turntable is controlled to drive the watch case to rotate circumferentially, so that the watch case is turned into a vertical assembly posture with the first button hole facing downward. The vertical assembly posture is the first assembly posture.

3. The watch case assembly method according to claim 1, wherein: The spring feeding device includes a vibration platform and a feeding mechanism, the feeding mechanism includes a feeding needle, and the circlip installation device includes a circlip chuck and a pushing mechanism. The step of controlling the spring feeding device, the first keycap installation device, and the circlip installation device to coordinately operate to assemble the first key to the watch case through the first key hole includes: Controlling the vibration platform to vibrate so that the spring is confined to a limiting hole on the vibration platform and maintains a vertical posture; Controlling the picking needle of the feeding mechanism to pick up the spring and assemble it into the first keycap mounting hole picked up by the first keycap mounting device; Controlling the lifting mechanism of the first keycap installation device to drive the first keycap to be pushed upward into the first key hole of the watch case in the first assembly posture; The circlip chuck of the circlip installation device is controlled to pick up the circlip, and the pushing mechanism is controlled to drive the circlip chuck to move toward the watch case, so as to install the circlip to the clamping point between the watch case and the first keycap.

4. The watch case assembly method according to claim 3, wherein: The feeding mechanism further includes a manipulator and a fixed sleeve provided on the manipulator, and the picking needle is retractably inserted into the fixed sleeve; the step of controlling the picking needle of the feeding mechanism to pick up the spring and assemble it into the first keycap mounting hole picked up by the first keycap mounting device includes: Controlling the picking needle to extend out of the fixed sleeve and to interference fit with the spring in the limiting hole of the vibration platform to pick up the spring; The manipulator is controlled to drive the picking needle to move above the first keycap, and the picking needle is controlled to retract into the fixed sleeve, so that the spring falls into the first keycap mounting hole under the contact of the fixed sleeve.

5. The watch case assembling method according to any one of claims 1 to 4, characterized in that: The watch case assembly line further includes an information label attaching module; before the step of controlling the first dial adjustment device to pick up and drive the watch case on the conveying module into a first assembly posture so that the first button hole is exposed and faces the first keycap installation device, the line further includes: The conveying module is controlled to convey the watch case to the information label attaching module, and the information label attaching module is controlled to attach the information label to the watch case.

6. The watch case assembling method according to claim 1, wherein: The second dial adjustment device includes a rotating clamping mechanism, and the bar tube installation device includes a vacuum suction nozzle and a positioning moving assembly. The step of controlling the bar tube installation device, the second keycap installation device, the nut installation device, and the screw locking device to coordinately operate to assemble the second key to the watch case through the second key hole includes: Controlling the rotary clamping mechanism of the second dial adjustment device to pick up the watch case and rotate it to a vertical assembly posture with the second button hole facing upward, the vertical assembly posture being the second assembly posture; Controlling the vacuum nozzle of the bar tube installation device to pick up the bar tube, and the positioning moving component drives the bar tube to be plugged into the second button hole of the watch case; Controlling the screw locking device to lock the screw between the bar tube and the watch case; controlling the second keycap installation device to pick up the second keycap and insert it into the outer side of the bar tube; The nut installation device is controlled to fasten the nut to the second keycap.

7. The watch case assembling method according to claim 6, wherein: The nut installation device includes a nut feeding mechanism and a pushing mechanism. The rotary clamping mechanism includes a turntable and a clamping claw structure provided on the turntable. The clamping claw structure is configured to pick up and fix the second keycap. The turntable is provided with a guide groove. The step of controlling the nut installation device to fasten the nut to the second keycap includes: Controlling the nut feeding mechanism to pick up the nut and convey it to the guide groove of the turntable; The pushing mechanism is controlled to push the nut along the guide groove so that the nut is docked with the threaded hole of the second keycap and is fastened.

8. The watch case assembling method according to claim 6, wherein: The watch case assembly line further includes a welding device; after the step of controlling the nut installation device to fasten the nut to the second keycap, the line further includes: controlling the welding device to weld the screw to the bar pipe; The welding device is controlled to weld the nut to the second keycap.

9. The watch case assembling method according to claim 1, wherein: The watch case assembly line further includes a blanking module; after the step of controlling the coordinated operation of the tubing installation device, the second keycap installation device, the nut installation device, and the screw locking device to assemble the second key to the watch case through the second key hole, the line further includes: controlling the second dial adjustment device to rotate the watch case, on which the first button and the second button are mounted, back to a first horizontal transport posture; The conveying module is controlled to convey the watch case to the blanking module to complete blanking after the watch case is assembled.

10. A wristband device assembly bus, characterized in that: The wristband device assembly bus includes a watch case assembly line; the watch case assembly line is used in the watch case assembly method according to any one of claims 1 to 9.

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