A rotary multi-station automatic assembly equipment for automobile door panel buckles

Abstract

The application discloses a rotary multi-station automatic assembling equipment for automobile door panel buckles, which comprises a rotary table, a feeding station, an assembling station and a discharging station arranged in sequence in the circumferential direction, wherein the feeding station is provided with a buckle vibration disc and a feeding mechanism, the assembling station is provided with a gasket vibration disc and an assembling mechanism, and the discharging station is provided with a discharging mechanism; a plurality of positioning jigs are arranged on the rotary table, a groove matched with a buckle base and positioning blocks distributed in the circumferential direction of the groove are arranged at the top end of the rotary table, the positioning blocks can stably fix the buckle during the rotation process and prevent the buckle from falling off; during the feeding, assembling and discharging stages, the positioning blocks can move outward to avoid interference; the structure is reasonably designed, the positioning jigs are matched with the rotary action, the problems of inaccurate positioning, serious interference and the like of a traditional buckle slot conveying mode in buckle assembling are solved, and the assembling precision and efficiency are improved.

Description

Technical Field

[0001] This invention relates to the field of automotive parts assembly technology, specifically to a rotary multi-station automatic assembly equipment for automotive door panel clips. Background Technology

[0002] Currently, in China's automotive door manufacturing industry, the assembly of door panel clips still predominantly relies on traditional manual methods. This production method has significant technological shortcomings: on the one hand, complete reliance on manual operation leads to low assembly efficiency, making it difficult to increase production cycle time and limiting output capacity; on the other hand, it requires a large number of skilled workers to perform high-intensity repetitive labor, resulting in high labor costs and a high risk of occupational health problems with prolonged operation. Furthermore, the consistency of quality in purely manual assembly is difficult to guarantee, leading to significant fluctuations in product qualification rates. This outdated production model can no longer meet the stringent requirements of high-quality development in the automotive manufacturing industry for production efficiency, cost control, and product quality. There is an urgent need to transform and upgrade the production method through automation and intelligent technologies to resolve the contradiction between production efficiency and labor costs, improve the stability of assembly quality, and improve the working environment for workers.

[0003] In the prior art, for example, Chinese invention patent application (publication number CN118875694A) discloses a multi-station automatic assembly machine and assembly method for automobile door panel buckles. The assembly machine includes a turntable and a first feeding mechanism, a second feeding mechanism, a pressing mechanism, and a unloading mechanism equidistantly arranged around the turntable. The pressing mechanism includes a lifting plate. An adjustment component and a plurality of support rods extending vertically along the turntable are arranged below the lifting plate. An elastic rope loop is sleeved at the bottom of the support rod.

[0004] The aforementioned assembly machine uses an elastic rope ring to push the annular gasket and set the buckle. The buckle is positioned by the slot and the turntable drives the turntable to pass through each working mechanism to complete the assembly process. However, due to the small actual size of the buckle, there are obvious defects in the movement process: the matching degree between the slot and the buckle is insufficient, which makes the buckle easy to shift, slide or even fall off during transportation and unable to maintain stable positioning; at the same time, the conventional slot structure has limited constraint force on the buckle of the size, and the buckle is more likely to fall off the predetermined track when the turntable is running at high speed. This conveying method based on the traditional slot is difficult to meet the process requirements of buckle assembly. Summary of the Invention

[0005] To address the problems existing in the prior art, a rotary multi-station automatic assembly equipment for automotive door panel clips is provided. This equipment features a positioning fixture on a rotary table, with a groove at the top of the fixture that engages with the clip base and a positioning block that radially abuts the clip along the groove. As the rotary table rotates, the positioning block stably secures the clip, preventing it from detaching. During loading, assembly, and unloading, the positioning block moves away from the clip to prevent interference during these processes. This solves the problem that traditional slot-based conveying methods cannot meet the process requirements of clip assembly.

[0006] To address the problems of existing technologies, this invention provides a rotary multi-station automatic assembly equipment for automotive door panel clips, used for fitting washers onto clips. The equipment includes a rotary table with a loading station, an assembly station, and a unloading station arranged sequentially along its circumference. The loading station is equipped with a clip vibrating disc and a loading mechanism; the assembly station is equipped with a washer vibrating disc and an assembly mechanism; and the unloading station is equipped with an unloading mechanism. Positioning fixtures are distributed along the circumference of the rotary table. The top of each positioning fixture has a groove that engages with the base of the clip, and positioning blocks distributed circumferentially along the groove. When the rotary table rotates, the positioning blocks abut against the clip radially along the groove; during loading, assembly, and unloading, the positioning blocks move radially away from the clip along the groove.

[0007] Preferably, the positioning fixture is further provided with an actuator that can guide the positioning block away from the buckle along the radial direction of the groove. The loading station, assembly station and unloading station are all provided with triggers that can cooperate with the actuator. During the loading, assembly and unloading process, the triggers guide the actuator to drive the positioning block away from the buckle along the radial direction of the groove.

[0008] Preferably, the actuator includes a gear disk and a rack. The gear disk is rotatably disposed in the positioning fixture. The gear disk is coaxial with the groove. The gear disk is provided with inclined grooves distributed along its circumference. The inclined grooves extend in a direction deviating from the radial direction of the gear disk. The bottom end of the positioning block is provided with a guide pin that extends into the inclined groove and slides in engagement with it. The rack passes through the positioning fixture and meshes with the gear disk. The trigger is used to push the rack to slide relative to the positioning fixture.

[0009] Preferably, the trigger includes a linear push cylinder with its output end facing the rotary table.

[0010] Preferably, the positioning fixture is provided with a sliding groove distributed circumferentially along the groove, the sliding groove extends radially along the groove, a connecting block is provided in the sliding groove for sliding engagement with it, the positioning block is provided at the top of the connecting block, and the guide pin is provided at the bottom of the connecting block.

[0011] Preferably, the groove is provided with a connecting rod extending along its length, the connecting rod passing through the slider and slidingly engaging with it.

[0012] Preferably, an elastic element is provided between the end of the slide away from the groove and the connecting block.

[0013] Preferably, the positioning block has an abutting tip perpendicular to the axis of the groove, and the abutting tip is provided with an inclined surface on its periphery.

[0014] Preferably, the feeding mechanism and the unloading mechanism have the same structure. The feeding mechanism includes a finger cylinder that can be raised, lowered and moved laterally at the feeding station. The gripper of the finger cylinder is provided with a clamping block, and the clamping block has a V-shaped groove extending longitudinally.

[0015] Preferably, the assembly mechanism includes a three-jaw cylinder capable of lifting and moving laterally at the assembly station. The jaws of the three-jaw cylinder are provided with clamping plates, and the clamping plates are provided with bosses on the inner side of the jaws of the three-jaw cylinder. The bosses are used to abut against the top of the washer and press it onto the buckle when the clamping plates hold the periphery of the washer.

[0016] The advantages of this application compared to the prior art are:

[0017] This application achieves precise positioning of the snap-fit ​​during conveying by setting a positioning fixture on a rotary table and creating a matching groove at the top of the fixture that mates with the snap-fit ​​base, and configuring a radially movable positioning block. When the rotary table rotates, the positioning block reliably abuts against the snap-fit ​​to ensure its stable fixation, effectively preventing displacement or detachment during transport. At loading / unloading and assembly stations, through the linkage between the trigger and the actuator on the positioning fixture, the positioning block automatically avoids and radially retracts from its working position, ensuring smooth operation and avoiding mechanical interference. This dynamic positioning mechanism overcomes the technical limitations of traditional snap-fit ​​conveying methods. Through the synergistic effect of fitting positioning and adjustable clamping, it resolves the contradiction between the positioning stability and process accessibility of the snap-fit ​​during conveying, providing a reliable solution for assembly processes. Attached Figure Description

[0018] Figure 1 This is an assembly diagram of the clips.

[0019] Figure 2 This is a perspective view of a rotary multi-station automatic assembly equipment for automobile door panel clips according to the present invention.

[0020] Figure 3 This is a top view of a rotary multi-station automatic assembly equipment for automobile door panel clips according to the present invention.

[0021] Figure 4 This is a perspective view of the feeding mechanism in a rotary multi-station automatic assembly equipment for automobile door panel clips according to the present invention.

[0022] Figure 5This is a perspective view of the positioning fixture in a rotary multi-station automatic assembly equipment for automobile door panel fasteners according to the present invention.

[0023] Figure 6 This is an exploded perspective view of the positioning fixture in a rotary multi-station automatic assembly equipment for automobile door panel fasteners according to the present invention.

[0024] Figure 7 This is a perspective view of the assembly mechanism in a rotary multi-station automatic assembly equipment for automobile door panel clips according to the present invention.

[0025] Figure 8 yes Figure 7 A magnified view of part A.

[0026] Figure 9 This is a schematic diagram of the positioning fixture in a rotary multi-station automatic assembly equipment for automobile door panel clips during clip loading, according to the present invention.

[0027] Figure 10 This is a schematic diagram of the positioning fixture during washer assembly in a rotary multi-station automatic assembly equipment for automobile door panel fasteners according to the present invention.

[0028] The following are the labels in the diagram: 1. Rotary table; 21. Clamping vibratory feeder; 22. Feeding mechanism; 221. Finger cylinder; 222. Clamping block; 31. Washer vibratory feeder; 32. Assembly mechanism; 331. Three-jaw cylinder; 332. Clamping plate; 3321. Boss; 41. Unloading mechanism; 5. Positioning fixture; 51. Groove; 52. Positioning block; 521. Abutting tip; 53. Actuating element; 531. Gear plate; 5311. Inclined groove; 532. Rack; 533. Guide pin; 54. Slide groove; 55. Connecting block; 56. Connecting rod; 57. Elastic element; 6. Trigger element. Detailed Implementation

[0029] To further understand the features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0030] like Figure 1 , Figure 2 and Figure 3As shown, a rotary multi-station automatic assembly equipment for automotive door panel clips is used to fit washers onto clips. It includes a rotary table 1, with a loading station, an assembly station, and an unloading station arranged sequentially along its circumference. The loading station is equipped with a clip vibrating plate 21 and a loading mechanism 22; the assembly station is equipped with a washer vibrating plate 31 and an assembly mechanism 32; and the unloading station is equipped with an unloading mechanism 41. Positioning fixtures 5 are distributed along the circumference of the rotary table 1. The top of the positioning fixture 5 is provided with a groove 51 that can engage with the base of the clip, and positioning blocks 52 distributed circumferentially along the groove 51. When the rotary table 1 rotates, the positioning blocks 52 can abut against the clip radially along the groove 51; during loading, assembly, and unloading, the positioning blocks 52 move radially away from the clip along the groove 51.

[0031] Rotary table 1 is used as the conveying unit, and loading, assembly and unloading stations are arranged in a reasonable manner along its circumference to form a continuous and efficient assembly line.

[0032] At the loading station, the buckle vibratory feeder 21 and the loading mechanism 22 work together to ensure the directional supply of buckles; the assembly station is equipped with a washer vibratory feeder 31 and an assembly mechanism 32 to achieve precise fitting of washers; the unloading station uses a dedicated unloading mechanism 41 to remove finished products.

[0033] A positioning fixture 5 is installed on the rotary table 1. The fitting groove 51 at the top of the fixture precisely matches the buckle base. Movable positioning blocks 52 are arranged around the groove 51. During the rotary conveying stage, the positioning blocks 52 reliably abut against the buckle to ensure conveying stability. During the process operation stage, the positioning blocks 52 intelligently avoid obstacles, providing unobstructed operating space for loading, assembly, and unloading processes. This dynamic positioning mechanism not only ensures the positional accuracy of the buckle during high-speed conveying but also ensures the smoothness of process operations at each station, effectively solving the problems of unstable positioning and process interference in the handling of micro parts by traditional assembly equipment.

[0034] like Figure 3 As shown, the positioning fixture 5 is also provided with an actuator 53 that can guide the positioning block 52 away from the buckle along the radial direction of the groove 51. The loading station, assembly station and unloading station are all provided with triggers 6 that can cooperate with the actuator 53. During the loading, assembly and unloading process, the triggers 6 guide the actuator 53 to drive the positioning block 52 away from the buckle along the radial direction of the groove 51.

[0035] The positioning fixture 5 also includes an actuator 53, which can be connected to the positioning block 52. During operation, the actuator 53 drives the positioning block 52 to move radially along the groove 51, specifically moving it away from the latch, to achieve automatic reset or repositioning of the positioning block 52. To achieve this function, the loading station, assembly station, and unloading station are all equipped with triggering elements 6 to activate the actuator 53.

[0036] In the specific workflow, when the positioning fixture 5 moves to the loading, assembly, and unloading stations, the corresponding trigger 6 engages with or contacts the actuator 53, thereby applying a force to the actuator 53 and driving the positioning block 52 to move radially away from the latch along the groove 51. This movement not only releases the positioning block 52 from its original locked state but also creates smoother spatial conditions for subsequent workpiece loading, assembly operations, or finished product unloading, improving the continuity and efficiency of the entire automated operation process.

[0037] The above structure, by configuring trigger element 6 at key workstations, coordinates the movement of positioning block 52 with the process progress, realizing automatic control and adaptive adjustment of the positioning mechanism, avoiding human intervention, and improving the intelligence level and working stability of the equipment.

[0038] like Figure 5 , Figure 6 , Figure 9 and Figure 10 As shown, the actuator 53 includes a gear 531 and a rack 532. The gear 531 is rotatably disposed in the positioning fixture 5. The gear 531 is coaxial with the groove 51. The gear 531 is provided with inclined grooves 5311 distributed along its circumference. The inclined grooves 5311 extend in a direction deviating from the radial direction of the gear 531. The bottom end of the positioning block 52 is provided with a guide pin 533 extending into the inclined groove 5311 and slidingly engaging with it. The rack 532 passes through the positioning fixture 5 and meshes with the gear 531. The trigger 6 is used to push the rack 532 to slide relative to the positioning fixture 5.

[0039] In the positioning fixture 5, the actuator 53 includes two parts: a gear disk 531 and a rack 532. The gear disk 531 is a rotatable structure, coaxially arranged within the body of the positioning fixture 5 along the central axis of the groove 51, and can rotate around the axis. Multiple inclined grooves 5311 are evenly distributed along the circumference of the gear disk 531. These inclined grooves 5311 extend inwardly from the circumference of the gear disk 531, with their extension direction having a component deviating from the radial direction of the gear disk 531, forming a certain oblique angle to achieve the radial guiding function of the positioning block 52.

[0040] A guide pin 533 is provided at the bottom of the positioning block 52. The guide pin 533 extends vertically downward and is inserted into the inclined groove 5311, with a sliding fit between it and the inclined groove 5311. Due to the special arrangement of the inclined groove 5311, when the gear plate 531 rotates, the inclined groove 5311 generates a component force on the guide pin 533, thereby driving the positioning block 52 to move radially along the groove 51 in the fixture, especially moving away from the buckle, thereby achieving the purpose of release or retraction.

[0041] The drive of the gear disk 531 comes from the rack 532 that meshes with it. The rack 532 is a linear sliding member that runs through the body of the positioning fixture 5, and one of its tooth surfaces meshes with the teeth of the gear disk 531. By sliding the rack 532 back and forth linearly, the gear disk 531 can be driven to rotate, thereby indirectly controlling the movement of the positioning block 52.

[0042] To automate the above actions in the work process, trigger elements 6 are installed at the loading, assembly, and unloading stations. When the fixture moves to the corresponding station, the trigger element 6 can contact or press against the rack 532, causing the rack 532 to slide linearly relative to the positioning fixture 5 body. The sliding of the rack 532 then drives the gear plate 531 to rotate. The gear plate 531 drives the guide pin 533 to move through the inclined groove 5311, thereby enabling the positioning block 52 to move radially along the groove 51 to a position away from the latch.

[0043] This structural design enables the entire driving control process of the positioning block 52 to be mechanically linked and automatically triggered, which not only reduces manual operation but also improves the coordination efficiency and operational stability of the equipment in the loading, assembly, and unloading stages. At the same time, this structure is more compact in space utilization, provides clear motion transmission, and possesses good processing feasibility and engineering application value.

[0044] like Figure 3 As shown, the trigger 6 includes a linear push cylinder with its output end facing the rotary table 1.

[0045] The trigger 6 specifically includes a linear push cylinder mounted on the equipment base, with its output end facing the rotary table 1. This push cylinder can be pneumatic, hydraulic, or electric, with a pneumatic push cylinder being preferred to meet the requirements of rapid response and high-frequency operation. The output end of the push cylinder is a telescopic structure, capable of reciprocating pushing motion along a straight line under the action of a control signal. Its axis of motion is arranged perpendicular or parallel to the trajectory traversed by the fixture, facilitating smooth cooperation with the rack 532 installed in the fixture.

[0046] In the specific working process, when the positioning fixture 5 moves sequentially with the rotary table 1 to the loading station, the assembly station and the unloading station, the push cylinder at the corresponding position will receive the action command issued by the control system, drive its output end to extend linearly, and abut against the rack 532 set in the positioning fixture 5, apply axial thrust, and make the rack 532 slide linearly relative to the body of the positioning fixture 5.

[0047] The rack 532 engages with the gear disc 531, and the sliding of the rack 532 causes the gear disc 531 to rotate. The inclined groove 5311 on the gear disc 531 rotates accordingly, acting on the guide pin 533 inserted therein, thereby causing the positioning block 52 to move radially along the groove 51, particularly away from the latch, achieving a release or repositioning effect. After the push cylinder completes its action, its output end automatically retracts to the initial position, preparing for the next fixture or the next cycle.

[0048] like Figure 6 As shown, the positioning fixture 5 is provided with a sliding groove 54 distributed circumferentially along the groove 51. The sliding groove 54 extends radially along the groove 51. A connecting block 55 is provided in the sliding groove 54 and slides therewith. The positioning block 52 is provided at the top of the connecting block 55, and the guide pin 533 is provided at the bottom of the connecting block 55.

[0049] In the positioning fixture 5, a plurality of sliding grooves 54 are arranged circumferentially along the groove 51. Each sliding groove 54 extends radially along the groove 51 and is arranged radially outward from the center of the fixture, forming a multi-directional linkage guide structure.

[0050] Each groove 54 is provided with a connecting block 55, which forms a sliding fit with the groove 54 and can slide freely in the radial direction within the groove 54. To ensure smooth sliding and stable guiding function, the inner wall surface of the groove 54 can be precision machined or equipped with a guide rail structure.

[0051] The connecting block 55 is designed as a single unit with two ends: its upper end is fixedly connected to a positioning block 52, which protrudes upwards towards the fixture, serving to limit, clamp, or position the workpiece. The lower end of the connecting block 55 extends with a guide pin 533, which extends vertically downwards and is inserted into a circumferentially distributed inclined groove 5311 on the gear disc 531. The guide pin 533 and the inclined groove 5311 form a sliding fit, so that when the gear disc 531 rotates, the inclined guide rail formed by the inclined groove 5311 applies a combined force to the guide pin 533, thereby driving the entire connecting block 55 to move radially within the slide groove 54.

[0052] With this structural design, when the gear disk 531 rotates under the drive of the rack 532, the guide pin 533 in the inclined groove 5311 is displaced, thereby driving the connecting block 55 to slide radially along the slide groove 54, thereby realizing the automatic unfolding or retraction operation of the positioning block 52. Especially when it is necessary to release the buckle or make way for other processes, it can ensure that the positioning block 52 quickly and accurately retracts to the predetermined position.

[0053] like Figure 6 As shown, a connecting rod 56 extending along its length is provided in the slide groove 54, and the connecting rod 56 passes through the slider and slides with it.

[0054] In the positioning fixture 5, a connecting rod 56 is provided along the length of the slide groove 54. The connecting rod 56 serves as a guide member within the slide groove 54, passing through the interior of the slider and forming a sliding engagement with it. The combined design of the slide groove 54 and the connecting rod 56 ensures the stability of the slider's movement while also enhancing the operational reliability of the positioning fixture 5 under different working conditions.

[0055] During operation, the slider slides axially along the connecting rod 56 within the groove 54. Utilizing the force generated by the rotation of the gear disc 531, the slider is driven by the guide pin 533 to achieve linear reciprocating motion under the guidance of the connecting rod 56. The constraint effect of the connecting rod 56 on the slider not only effectively prevents radial swaying or deflection but also ensures the linearity of its motion trajectory, improving the accuracy and consistency of the positioning block 52's movement.

[0056] When the fixture enters the designated working position, the trigger 6 pushes the rack 532 to generate displacement. The rack 532 drives the gear disc 531 to rotate. The guide pin 533, driven by the inclined groove 5311, forces the slider to slide along the connecting rod 56, thereby driving the positioning block 52 to move in the slide groove 54. Because the connecting rod 56 provides continuous guidance, the slider can remain stable even when the fixture is running at high speed or in frequent reciprocating motion, avoiding wobbling and misalignment caused by inertia or uneven force.

[0057] like Figure 6 As shown, an elastic element 57 is provided between the end of the slide groove 54 away from the groove 51 and the connecting block 55.

[0058] In the structural design of the slide 54, an elastic element 57 is provided between the end of the slide away from the groove 51 and the connecting block 55, so as to provide an automatic reset force after the connecting block 55 completes the predetermined action, ensuring that it returns to the initial standby state in time, thereby maintaining the cyclic stability and action consistency of the entire positioning mechanism.

[0059] The elastic element 57 is disposed inside the slide groove 54 or in a reserved cavity between the connecting block 55 and the end of the slide groove 54. Its installation direction is consistent with the extension direction of the slide groove 54, and it is usually arranged axially. One end of the elastic element 57 is fixedly connected to the stop surface or inner wall of the end of the slide groove 54, and the other end is connected to the tail of the connecting block 55. When the connecting block 55 moves towards the groove 51, the elastic element 57 is compressed and stores energy. After the external force is removed, the elastic potential energy is released, pushing the connecting block 55 to slide back to its original position.

[0060] During equipment operation, when the trigger 6 drives the rack 532 to slide, thereby causing the gear plate 531 to rotate and push the guide pin 533 to drive the connecting block 55 to slide along the slide groove 54 towards the groove 51, the elastic element 57 is gradually compressed and stores elastic potential energy. After the positioning action is completed or the external force is removed, the elastic element 57 automatically releases energy in the absence of external force obstruction, causing the connecting block 55 to move in the opposite direction, driving the positioning block 52 back to its original position, thus completing the entire closed-loop cycle of positioning-release-reset.

[0061] like Figure 9 and Figure 10 As shown, the positioning block 52 has an abutting tip 521 that is perpendicular to the axis of the groove 51, and the abutting tip 521 has an inclined surface on its periphery.

[0062] The structure of the positioning block 52 has been specifically optimized. Its front end is provided with an abutting tip 521 that extends vertically toward the axis of the groove 51. The tip is arranged in a conical or wedge shape to achieve precise guidance and point contact limiting of the workpiece during the positioning process.

[0063] When the buckle is delivered to the workstation, due to certain positional tolerances and posture errors, traditional vertical positioning structures are prone to problems such as "getting stuck" or "misalignment." Through the matching design of the abutment tip 521 and the circumferential inclined surface, the horizontal or angular error of the workpiece can be gradually "guided and corrected" to the target posture, achieving smooth insertion and automatic alignment, and significantly reducing the sensitivity of initial positioning.

[0064] After the snap-fit ​​assembly is completed, if automatic unloading is required, the traditional vertical positioning block 52 may cause the workpiece to get stuck or jammed when it is disengaged. The inclined surface provides a gradual retreat space, which allows the workpiece to smoothly disengage from the tip contact surface along the inclined direction when it is pushed or pulled, avoiding jamming or damage, and improving the smoothness of unloading and the degree of automation.

[0065] like Figure 4 As shown, the feeding mechanism 22 has the same structure as the unloading mechanism 41. The feeding mechanism 22 includes a finger cylinder 221 that can be raised, lowered and moved laterally at the feeding station. The gripper of the finger cylinder 221 is provided with a clamping block 222, which has a V-shaped groove extending longitudinally.

[0066] The loading mechanism 22 and the unloading mechanism 41 adopt the same structural design, both including finger cylinder 221 components capable of lifting and lateral movement at the loading or unloading station. The finger cylinder 221 uses its opening and closing structure to clamp the workpiece. Its gripper front end has a clamping block 222 for clamping. The surface of the clamping block 222 has a through-type V-groove machined along the longitudinal direction to accommodate different types and sizes of clips. The V-groove has good guiding and self-positioning capabilities, enabling the clips to automatically align between the clamping blocks 222 during clamping, improving clamping stability and repeatability.

[0067] To achieve coordinated lifting and lateral movement, the finger cylinder 221 is mounted on a bidirectional linkage platform formed by a combination of a longitudinal slide and a transverse slide. The longitudinal slide drives the cylinder to move vertically, enabling the gripper to accurately align with the latch or complete loading and unloading actions. The transverse slide provides horizontal displacement, allowing the gripper to flexibly switch between multiple workstations or areas to perform tasks such as workpiece transfer, loading and unloading, or handover. Through the linkage between the two slides, the entire loading mechanism 22 can move flexibly in three-dimensional space to adapt to the workpiece processing needs of different heights, positions, and angles.

[0068] like Figure 7 and Figure 8 As shown, the assembly mechanism 32 includes a three-jaw cylinder 331 that can be raised, lowered and moved laterally at the assembly station. A clamping plate 332 is provided at the jaw of the three-jaw cylinder 331. A boss 3321 is provided on the inner side of the clamping plate 332 facing the jaw of the three-jaw cylinder 331. The boss 3321 is used to abut against the top of the washer and press it onto the buckle when the clamping plate 332 clamps the periphery of the washer.

[0069] The three-jaw cylinder 331 uses a symmetrically opening and closing three-jaw structure to clamp the workpiece in a ring-like manner, stably fixing circular or annular components, and is suitable for the assembly of gasket-type parts. Each jaw of the three-jaw cylinder 331 is equipped with a clamping plate 332 for clamping. The clamping plate 332 is fixed to the front end of the jaw through a rigid connection or an adjustable structure, and a boss 3321 is provided on its clamping surface facing the inside of the cylinder. The boss 3321 protrudes vertically from the surface of the clamping plate 332, and is used to press the upper surface of the gasket to the corresponding workpiece snap-fit ​​position while clamping the circumferential edge of the gasket, ensuring that the gasket can be accurately pressed and tightly fitted to the predetermined assembly position. The boss 3321 is designed with the outer diameter of the gasket and its material characteristics in mind, and has a certain guiding and buffering capacity to avoid deformation or scratches to the gasket during clamping, while improving assembly stability.

[0070] In practical use, the three-jaw cylinder 331, through coordinated opening and closing actions, evenly pushes the clamping plate 332 to the outer periphery of the washer. The clamping boss 3321 applies balanced pressure simultaneously in three directions, thereby quickly and accurately positioning the washer above the target clip. The engagement process is then completed by pressing down. Due to the three-point symmetrical force application structure, misalignment or pressing failure caused by unilateral force or tilted pressing is effectively avoided, significantly improving assembly accuracy and process stability.

[0071] To achieve coordinated lifting and lateral movement, the three-jaw cylinder 331 is installed on a bidirectional linkage platform formed by the combination of a longitudinal slide and a transverse slide.

[0072] The above embodiments only illustrate one or more implementations of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of protection of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the appended claims.

Claims

1. A rotary multi-station automatic assembly equipment for automobile door panel buckles, which is applied to sleeving a gasket on a buckle, comprising a rotary table, a feeding station, an assembling station and a discharging station are sequentially arranged along the circumference of the rotary table, a buckle vibrating disc and a feeding mechanism are arranged at the feeding station, a gasket vibrating disc and an assembling mechanism are arranged at the assembling station, and a discharging mechanism is arranged at the discharging station, characterized in that, The positioning jig is provided with a groove capable of being embedded with the base of the buckle and a positioning block distributed along the circumference of the groove. When the rotary table rotates, the positioning block can abut on the buckle along the radial direction of the groove. During the feeding, assembling and discharging, the positioning block moves away from the buckle along the radial direction of the groove. The positioning jig is further provided with an actuator capable of guiding the positioning block to move away from the buckle along the radial direction of the groove. The feeding station, the assembling station and the discharging station are provided with a trigger capable of cooperating with the actuator. During the feeding, assembling and discharging, the trigger guides the actuator to drive the positioning block to move away from the buckle along the radial direction of the groove. The actuator comprises a gear rack and a gear disc. The gear disc is rotationally arranged in the positioning jig and coaxial with the groove. The gear disc is provided with an inclined groove distributed along the circumference thereof. The inclined groove extends along a direction deviated from the radial direction of the gear disc. The bottom end of the positioning block is provided with a guide pin extending into the inclined groove and slidingly fitted with the inclined groove. The trigger is used to push the gear rack to slide relative to the positioning jig. The trigger comprises a linear push cylinder with an output end facing the rotary table. The positioning jig is provided with a sliding groove distributed along the circumference of the groove. The sliding groove extends along the radial direction of the groove. The sliding groove is provided with a connecting block slidingly fitted with the sliding groove. The positioning block is arranged at the top end of the connecting block. The guide pin is arranged at the bottom end of the connecting block. The trigger comprises a linear push cylinder with an output end facing the rotary table. When the jig moves to the corresponding station, the trigger can contact or press the gear rack to push the gear rack to linearly slide relative to the positioning jig body. The sliding of the gear rack drives the gear disc to rotate. The gear disc drives the guide pin to move through the inclined groove, so as to realize the radial movement of the positioning block to the position away from the buckle along the groove. An elastic element is arranged between the end of the sliding groove away from the groove and the connecting block. During the operation of the device, when the trigger drives the gear rack to slide, so as to make the gear disc rotate and drive the connecting block to slide along the sliding groove to the groove, the elastic element is gradually compressed to store elastic potential energy. After the positioning action is completed or the external force is removed, the elastic element automatically releases energy in the state of no external force resistance, so as to drive the connecting block to move in the opposite direction and drive the positioning block to retreat to the original position.

2. The rotary multi-station automatic assembly equipment for the automobile door panel buckle according to claim 1, characterized in that, The sliding groove is provided with a connecting rod extending along the length direction of the sliding groove. The connecting rod penetrates through the sliding block and is slidingly fitted with the sliding block.

3. The rotary multi-station automatic assembling equipment for the buckles of the door panel of an automobile according to any one of claims 1-2, characterized in that, The positioning block has an abutting tip vertically facing the axis of the groove. The abutting tip is provided with an inclined surface on the circumferential side.

4. The rotary multi-station automatic assembling equipment for the buckles of the door panel of an automobile according to any one of claims 1-2, characterized in that, The feeding mechanism and the discharging mechanism have the same structure. The feeding mechanism comprises a finger cylinder capable of lifting and transversely moving at the feeding station. The clamping block is arranged at the clamping jaw of the finger cylinder and has a V-shaped groove extending along the longitudinal direction.

5. The rotary multi-station automatic assembling equipment for the buckles of the door panel of an automobile according to any one of claims 1-2, characterized in that, The assembling mechanism comprises a three-jaw cylinder capable of lifting and transversely moving at the assembling station. The clamping plate is arranged at the clamping jaw of the three-jaw cylinder and has a boss arranged on the inner side of the clamping jaw. The boss is used to abut on the top end of the gasket and press the gasket on the buckle when the clamping plate clamps the gasket.

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