LED lamp bead pin shaping automatic assembly machine

Abstract

The application discloses a LED lamp bead pin forming automatic assembling machine and belongs to the field of automatic equipment. The LED lamp bead pin forming automatic assembling machine comprises a multi-station rotary workbench, a base feeding device, a first pin shearing and bending device, a second pin shearing and bending device, a third pin shearing and bending device, a detection device and a discharging device. The application realizes the organic integration of automatic feeding, pin shearing, bending and shaping, automatic assembling and automatic discharging of finished products, can realize the assembling of multiple LED lamp beads on the base, utilizes the synchronous conveying mechanism to realize the synchronous conveying of the LED lamp beads in the carrier tape package and the LED lamp beads after pin shearing, and realizes the pin shearing and bending shaping through the pin shearing and bending mechanism. The matching degree of the pin shearing and bending actions of the whole pin is high, the processing action stability and continuity are good, the production rhythm requirement of the automatic assembling machine is met, the LED lamp bead assembling production efficiency is high, the product consistency is good, and the production cost of the LED lamp bead product is reduced.

Description

Technical Field

[0001] This invention relates to an automatic assembly equipment for LED products, and more specifically, to an automatic assembly machine for forming LED lamp bead leads. Background Technology

[0002] As a mainstream semiconductor light-emitting device, LED chips are widely used in lighting, electronics, lamps, and many other fields. The LED product manufacturing process involves a series of steps, including cutting excess leads, bending leads, and assembling the chips with brackets or lamp holders. The precision of lead forming and the firmness of assembly directly determine the electrical performance, appearance quality, and operational stability of the LED product, making it a crucial post-processing step in LED product manufacturing.

[0003] Currently, the industry mainly divides LED chip lead forming and assembly operations into two modes: manual operation and semi-automated equipment step-by-step processing. Both modes have significant technical shortcomings. Traditional processing methods rely heavily on manual labor to complete the entire process, including bracket loading, LED chip loading, lead cutting, bending, lead insertion, and finished product sorting. This manual operation is intensive, inefficient, and highly susceptible to problems such as lead bending angle deviations, inconsistent bending positions, and uneven lead cutting lengths, making it difficult to guarantee product yield. At the same time, the labor-intensive operation also drives up the company's labor costs and cannot meet the needs of modern large-scale mass production.

[0004] With the popularization of automation technology, automated devices with functions such as LED lead cutting equipment, LED lead bending equipment, and LED assembly equipment have gradually appeared on the market. For example, Chinese Patent Publication No. CN112658159A discloses "A Fully Automatic LED Lamp Lead Bending Processing Platform" (publication date: April 16, 2021) and Chinese Patent Publication No. CN119092620A discloses "An Automatic Lead Cutting and Assembly Equipment for LED Components" (publication date: December 6, 2024). These automated devices have replaced some manual operations to a certain extent, but existing equipment still has many defects. First, the equipment has low functional integration. Most of them are single-machine, single-process designs. Lead cutting, lead bending, and LED bead and bracket assembly are independent of each other. Materials need to be transferred between multiple machines and repeatedly positioned and clamped. This not only increases the production line floor space and material turnover time, but also accumulates positional errors due to multiple transfers and repeated positioning, further reducing the lead forming and assembly accuracy, and even causing damage to LED beads and leads. Secondly, the existing assembly and pin processing equipment has poor coordination in its feeding, sorting, and transfer mechanisms, which can easily lead to misalignment or skewness of LED bead pins. This results in frequent jamming and failures in subsequent bending processes, and insufficient equipment stability.

[0005] In summary, existing processing methods and equipment generally suffer from problems such as independent processes, poor automation continuity, insufficient processing precision, and low production efficiency, making it difficult to balance processing quality, production efficiency, and production costs. Furthermore, the processing and assembly parameters and requirements differ for different products, rendering existing automated devices incompatible and often requiring specialized machines. Therefore, developing an automated LED bead lead forming and assembly machine capable of automatic feeding, lead trimming, bending and shaping, integrated assembly, and finished product output has become a pressing technical challenge in this field. Summary of the Invention

[0006] 1. The technical problem that the invention aims to solve

[0007] The purpose of this invention is to overcome the aforementioned shortcomings of the existing technology and provide an automatic assembly machine for LED bead lead forming. Using the technical solution of this invention, a multi-station rotary table is used to synchronize the various processes of LED bead assembly, achieving an organic integration of automatic feeding, lead trimming, bending and shaping, automatic assembly, and automatic unloading of finished products. This allows for the assembly of multiple LED beads on a base. Simultaneously, each lead trimming and bending device utilizes a synchronous conveying mechanism to synchronously transport the LED beads packaged on carrier tape and the trimmed LED beads. This ensures that the LED beads can move stably and orderly within the lead trimming and bending mechanism, undergoing lead trimming and bending. The entire lead trimming and bending action has a high degree of matching, good processing stability and continuity, meeting the production cycle requirements of the automatic assembly machine. This results in high LED bead assembly production efficiency, good product consistency, and reduced production costs for LED bead products.

[0008] 2. Technical Solution

[0009] To achieve the above objectives, the technical solution provided by the present invention is as follows:

[0010] The present invention provides an automatic assembly machine for forming LED lamp bead leads, comprising:

[0011] A multi-station rotary worktable has a base loading station, a first lamp bead assembly station, a second lamp bead assembly station, a third lamp bead assembly station, an inspection station, and a unloading station arranged circumferentially. The turntable of the multi-station rotary worktable is provided with positioning seats at equal angles circumferentially to correspond to the above-mentioned stations.

[0012] A base loading device is used to place bases one by one onto a positioning seat that has been rotated to the base loading station with the assembly surface facing upwards.

[0013] The first shearing and bending device is used to shear and bend the first LED bead, and assemble the formed first LED bead onto the base that has been rotated to the first LED bead assembly station.

[0014] The second shearing and bending device is used to shear and bend the second LED bead, and assemble the formed second LED bead onto the base that has been rotated to the second LED bead assembly station.

[0015] The third shearing and bending device is used to shear and bend the third LED bead and assemble the formed third LED bead onto the base that has been rotated to the third LED bead assembly station.

[0016] The testing device is used to test the assembly status of the first LED bead, the second LED bead, and the third LED bead on the base that has been rotated to the testing station.

[0017] The unloading device is used to remove the base, which has been rotated to the unloading position, from the positioning seat; wherein:

[0018] The first, second, and third shearing and bending devices have the same structure, each including a synchronous conveying mechanism, a shearing and bending mechanism, and a lamp bead assembly mechanism. The synchronous conveying mechanism includes a carrier tape gripping component and a lamp bead gripping component capable of synchronously reciprocating intermittently along the conveying direction of the LED lamp bead carrier tape. The carrier tape gripping component is located below the feeding track and has a positioning post capable of controlled up-and-down movement. The positioning post can insert into and retract from the positioning hole of the LED lamp bead carrier tape to drive the LED lamp bead carrier tape to move stepwise along the conveying direction of the feeding track. The lamp bead gripping component is located on one side of the shearing and bending mechanism and has a gripper capable of gripping and releasing the LED lamp beads cut from the LED lamp bead carrier tape to synchronously drive the LED lamp beads to move sequentially between the shearing station and the bending station of the shearing and bending mechanism.

[0019] The shearing and bending mechanism is equipped with a shearing component at the shearing station that can cut the LED lamp bead's lead and the LED lamp bead carrier tape at the same time. The bending station of the shearing and bending mechanism is equipped with a bending component that can bend the cut lead into shape. The shearing component and the bending component work synchronously.

[0020] The LED bead assembly mechanism is connected to the discharge end of the shearing and bending mechanism, and is used to grab the bent LED beads and assemble them into the corresponding mounting holes of the base.

[0021] Furthermore, the feeding track is connected to the shearing and bending mechanism, the carrier belt gripping assembly and the LED bead gripping assembly are respectively mounted on the linkage seat, and the linkage seat is mounted on the conveyor driver; the carrier belt gripping assembly also includes a lifting driver for driving the positioning columns to move up and down, and the positioning columns are provided on the lifting driver in two or more, and each positioning column is arranged according to the spacing of the positioning holes on the LED bead carrier belt;

[0022] The gripper spans the shearing station and bending station of the shearing and bending mechanism, and is used to remove the sheared and bent LED beads from the shearing and bending mechanism; at least one temporary station is also provided between the shearing station and bending station of the shearing and bending mechanism to increase the lateral distance between the shearing station and bending station.

[0023] Furthermore, the shearing and bending mechanism includes a support base, a carrier tape cutting base, a shearing base, a lower bending die base, a pressure plate, a cutting blade, a bending blade, and a downward driving mechanism. The carrier tape cutting base and the shearing base are respectively installed at the shearing station of the support base, and the lower bending die base is installed at the bending station of the support base. The pressure plate is located above the carrier tape cutting base, the shearing base, and the lower bending die base, and has a gap for the LED chip carrier tape and leads to pass through. The cutting blade has a cutting edge that cooperates with the carrier tape cutting base and a shearing edge that cooperates with the shearing base, forming the aforementioned shearing assembly. The bending blade is located above the lower bending die base, forming the aforementioned bending assembly. The cutting blade and the bending blade are respectively installed on the downward driving mechanism. When the downward driving mechanism drives the cutting blade and the bending blade to move downward, the cutting blade and the bending blade simultaneously complete the cutting of the LED chip carrier tape and leads, and the bending of the cut leads.

[0024] Furthermore, the shearing and bending mechanism is also provided with a positioning mechanism located at the shearing station on one side. The positioning mechanism includes an elastic push rod, a mounting bracket, and a positioning push driver. The elastic push rod is mounted on the positioning push driver through the mounting bracket. The gripper has a notch on the side near the shearing station for the protruding LED beads to protrude. The elastic push rod corresponds to the LED beads at the shearing station. The positioning push driver drives the elastic push rod to push and position the protruding LED beads in the notch.

[0025] Furthermore, the LED assembly mechanism and the discharge end of the shearing and bending mechanism are connected by a vibrating conveying mechanism. The LED assembly mechanism includes an LED conversion seat, an ejector assembly, and a gripping assembly. The LED conversion seat is located at the end of the vibrating conveying mechanism and has a vertical through-channel that communicates with the discharge end of the vibrating conveying mechanism. The ejector assembly is located below the LED conversion seat and has a push rod for ejecting LEDs that have entered the vertical through-channel upwards. The gripping assembly is located above the LED conversion seat and has a gripping seat that can be controlled to move vertically and horizontally. The gripping seat has a gripping slot for accommodating electronic components and a push rod assembly for pushing LEDs out of the gripping slot.

[0026] Furthermore, the vibration conveying mechanism includes a linear vibrator and a linear conveying track mounted on the linear vibrator. One end of the linear conveying track is connected to the discharge end of the shearing and bending mechanism, and a clearance groove is provided at this end of the linear conveying track to avoid the gripper. A transition plate for supporting LED beads is provided in the clearance groove, and a groove that mates with the transition plate is provided at the corresponding end of the gripper. The other end of the linear conveying track is provided with a detachable quality inspection sampling block. After the quality inspection sampling block is removed, a quality inspection discharge port is formed at the end of the linear conveying track, and a sampling slide is provided below the quality inspection discharge port.

[0027] Furthermore, the base feeding device includes a base vibration feeding mechanism, a base feeding robot, a base flipping mechanism, a base arranging mechanism, and a base placement mechanism. The base vibration feeding mechanism is used to screen the mounting surface of the base. The base feeding robot is used to place the bases with the mounting surface facing down, which are conveyed by the base vibration feeding mechanism, onto the base flipping mechanism. The base flipping mechanism has a pneumatic adsorption hole, which is used to drive the base to flip 180° under the action of pneumatic adsorption and release it onto the base arranging mechanism. The base arranging mechanism is used to convey the bases in a straight line. The base placement mechanism is located at the end of the base arranging mechanism and is used to place the bases with the mounting surface facing up one by one into the positioning seat that is rotated to the base feeding station.

[0028] Furthermore, the detection device includes a detection plate that can move up and down in a controlled manner. The detection plate is provided with three sets of detection probes that correspond to the first LED bead, the second LED bead, and the third LED bead on the base, respectively. The height change of the detection probe after it moves down to contact the corresponding LED bead is used to detect whether the LED bead is installed in place. The detection device also includes a visual detection device that can identify whether an LED bead is missing from the base.

[0029] Furthermore, the unloading device includes an unloading and stacking robot and a pallet transfer mechanism. The unloading and stacking robot is located above the unloading station and is used to place the base rotated to the unloading station onto the stacking pallet conveyed by the pallet transfer mechanism.

[0030] Furthermore, the pallet transfer mechanism includes a pallet feeding conveyor line and a pallet dispensing conveyor line, which are arranged side by side. Lifting pallets are respectively provided at one end of the pallet feeding conveyor line and the pallet dispensing conveyor line near the unloading station. A pallet pushing mechanism is also provided on one side of the pallet feeding conveyor line for pushing the pallets stacked on the lifting pallet of the pallet feeding conveyor line to the pallet pushing mechanism on the lifting pallet of the pallet dispensing conveyor line.

[0031] The pallet feeding conveyor line is also equipped with a pallet loading mechanism at one end away from the lifting pallet. The pallet loading mechanism includes a pallet placement frame, a pallet loading clamping mechanism, and a pallet loading lifting mechanism. The pallet loading clamping mechanism is located on both sides of the bottom of the pallet placement frame and is used to clamp or release the bottom pallet. The pallet loading lifting mechanism is located at the bottom of the pallet placement frame and is used to lift the bottom pallet and place it on the pallet feeding conveyor line.

[0032] The pallet delivery conveyor line is also equipped with a pallet stacking mechanism at the end away from the lifting pallet. The pallet stacking mechanism includes a pallet stop mechanism, a pallet lifting mechanism, and a pallet stacking clamping mechanism. The pallet stop mechanism is located at the far end of the pallet delivery conveyor line and is used to block the pallets being delivered for stacking. The pallet lifting mechanism is located in front of the pallet stop mechanism and is used to lift the pallets being delivered by the pallet delivery conveyor line. The pallet stacking clamping mechanism is located on both sides of the pallet lifting mechanism and is used to clamp or release the pallets being lifted. The pallet stop mechanism has a stop plate that can be lowered to release the pallets. When the pallets are stacked to a set number or height, the pallet stacking clamping mechanism releases the pallets, and at the same time the stop plate lowers, using the pallet delivery conveyor line to move the stacked pallets to the next station.

[0033] 3. Beneficial effects

[0034] Compared with existing known technologies, the technical solution provided by this invention has the following significant advantages:

[0035] (1) The present invention provides an automatic assembly machine for forming LED beads pins. It utilizes a multi-station rotary table to synchronize the various processes of LED bead assembly, realizing the organic integration of automatic feeding, pin trimming, bending and shaping, automatic assembly and automatic unloading of finished products. It can assemble multiple LED beads on a base. At the same time, each pin trimming and bending device uses a synchronous conveying mechanism to realize the synchronous conveying of LED beads packaged on a carrier tape and LED beads after pin trimming. This allows the LED beads to move stably and orderly in the pin trimming and bending mechanism, and to be trimmed and bent through the pin trimming and bending mechanism. The pin trimming and bending actions of the entire pin have a high degree of matching, and the processing action has good stability and continuity, which meets the production cycle requirements of the automatic assembly machine. This results in high production efficiency of LED bead assembly, good product consistency, and reduced production cost of LED bead products.

[0036] (2) The LED lamp bead pin forming automatic assembly machine of the present invention has two or more positioning posts on the lifting driver of the carrier tape gripping component. Each positioning post is arranged according to the positioning hole spacing on the LED lamp bead carrier tape. The carrier tape is transported by multiple positioning posts, which can effectively prevent the carrier tape from deflecting during the transport process and improve the transport and positioning accuracy. The shearing and bending mechanism also has at least one temporary station between the shearing station and the bending station to increase the lateral distance between the shearing station and the bending station, so that the shearing and bending mechanism has more ample installation space and ensures the stability and reliability of the shearing and bending actions.

[0037] (3) An automatic assembly machine for forming LED lamp beads pins according to the present invention includes a pin cutting and bending mechanism comprising a support base, a carrier tape cutting base, a pin cutting base, a bending lower die base, a pressure plate, a cutting knife, a bending knife, and a pressing drive mechanism. The carrier tape cutting base and the pin cutting base are respectively installed at the pin cutting station of the support base, and the bending lower die base is installed at the bending station of the support base. The pressure plate is located above the carrier tape cutting base, the pin cutting base, and the bending lower die base, and has a gap for the carrier tape and pins to pass through. The gap formed by the pressure plate forms a conveying channel for the pin portion and limits the pin portion, which is beneficial to improving the pin cutting and bending accuracy. The cutting knife has a cutting blade that cooperates with the carrier tape cutting base and a cutting blade that cooperates with the pin cutting base, which can cut the carrier tape at the same time as cutting the pins, and facilitates the collection and processing of waste materials.

[0038] (4) An automatic assembly machine for forming LED lamp beads pins according to the present invention has a positioning mechanism located at the cutting station on one side of the cutting bending mechanism. The positioning mechanism includes an elastic push rod, a mounting bracket and a positioning push driver, which can push and position the LED lamp beads that have moved to the cutting station, ensuring that the pins are of consistent length after cutting, and further improving the cutting bending forming accuracy.

[0039] (5) An automatic assembly machine for forming LED beads pins according to the present invention, wherein the LED bead assembly mechanism and the discharge end of the shearing and bending mechanism are connected by a vibration conveying mechanism. The LED bead assembly mechanism includes an LED bead conversion seat, an ejection assembly and a gripping assembly. The LED bead conversion seat is located at the end of the vibration conveying mechanism and has an upper and lower through channel connected to the discharge end of the vibration conveying mechanism. The ejection assembly is located below the LED bead conversion seat and has a push rod for ejecting the LED beads that have entered the upper and lower through channel upward. The gripping assembly is located above the LED bead conversion seat and has a gripping seat that can be controlled to move up and down and horizontally. The gripping seat has a gripping slot for accommodating electronic components and a push rod assembly for pushing out the LED beads in the gripping slot. The ejection assembly is used to eject the LED beads one by one and eject them into the gripping slot of the gripping seat. After transfer, the push rod assembly is used to push out the LED beads. The structure is simple and compact, and the assembly can be realized at the same time as the LED beads are pushed out.

[0040] (6) An automatic assembly machine for forming LED beads pins according to the present invention includes a vibration conveying mechanism comprising a straight vibrator and a linear conveying track mounted on the straight vibrator. One end of the linear conveying track is connected to the discharge end of the shearing and bending mechanism, and a clearance groove for avoiding the gripper is provided at the end of the linear conveying track. A transition plate for supporting the LED beads is provided in the clearance groove, and a groove that cooperates with the transition plate is provided at the corresponding end of the gripper. With this structural design, the gripper can smoothly move the LED beads onto the linear conveying track, and the transition plate is used to achieve stable support for the LED beads, ensuring conveying stability. In addition, a detachable quality inspection sampling block is provided at the other end of the linear conveying track. After the quality inspection sampling block is removed, a quality inspection outlet is formed at the end of the linear conveying track. A sampling slide is provided below the quality inspection outlet, which meets the need for periodic sampling inspection of the shearing and bending forming quality of the LED beads. It can realize sampling inspection without stopping the machine, making sampling inspection more convenient and faster.

[0041] (7) An automatic assembly machine for forming LED lamp bead pins according to the present invention includes a base feeding device comprising a base vibration feeding mechanism, a base feeding robot, a base flipping mechanism, a base arranging mechanism and a base placement mechanism. The base vibration feeding mechanism can be used to screen the mounting surface of the base, and the base flipping mechanism can be used to make the mounting surface of the base face upward. The structure is simple and the base feeding is accurate and efficient.

[0042] (8) An automatic assembly machine for forming LED lamp beads pins according to the present invention includes a detection device comprising a detection plate capable of controlled up and down movement, wherein the detection plate is provided with three sets of detection probes corresponding to the first LED lamp bead, the second LED lamp bead and the third LED lamp bead on the base respectively, and the LED lamp bead is detected by the height change after the detection probe moves down to contact the corresponding LED lamp bead; the detection device also includes a visual inspection device capable of identifying whether an LED lamp bead is missing from the base; the detection probe and the visual inspection device are used to achieve dual quality inspection, effectively preventing defective products from being mixed in.

[0043] (9) The LED lamp bead pin forming automatic assembly machine of the present invention has a product stacking function, which can realize the neat placement of products on the stacking tray, which facilitates the automation of subsequent processes; the tray transfer mechanism can realize the automatic feeding and transfer of stacking trays and automatic pallet stacking, which facilitates subsequent handling or packaging. Attached Figure Description

[0044] Figure 1 This is a schematic diagram of the overall structure of an automatic assembly machine for forming LED lamp bead leads according to the present invention;

[0045] Figure 2 This is a schematic diagram of the internal structure of an automatic assembly machine for forming LED lamp bead leads according to the present invention;

[0046] Figure 3 This is a schematic diagram of the structural layout of an automatic assembly machine for forming LED lamp bead leads according to the present invention;

[0047] Figure 4 This is a schematic diagram of the base feeding device in this invention;

[0048] Figure 5 This is a schematic diagram of the cooperation structure between the base flipping mechanism and the base placement mechanism of the base feeding device in this invention;

[0049] Figure 6 This is a schematic diagram of the arrangement of the three sets of shearing and bending devices on a multi-station rotary workbench in this invention.

[0050] Figure 7 This is a three-dimensional schematic diagram of the shearing and bending device in this invention from one angle;

[0051] Figure 8 This is a three-dimensional schematic diagram of the shearing and bending device in this invention from another angle;

[0052] Figure 9 This is a three-dimensional structural diagram of the shearing and bending mechanism in this invention;

[0053] Figure 10 This is a side view of the shear bending mechanism in this invention.

[0054] Figure 11 This is a schematic diagram of an angled engagement state between the synchronous conveying mechanism and the shearing bending mechanism in this invention;

[0055] Figure 12 This is a schematic diagram showing another angle of cooperation between the synchronous conveying mechanism and the shearing bending mechanism in this invention;

[0056] Figure 13 This is a schematic diagram of an angle structure of the synchronous conveying mechanism in this invention;

[0057] Figure 14 This is a schematic diagram of the synchronous conveying mechanism from another angle in this invention;

[0058] Figure 15 This is a schematic diagram of the working structure of the cutting tool in the shearing and bending mechanism of the present invention;

[0059] Figure 16 This is a schematic diagram of the overall structure of the LED assembly mechanism in this invention;

[0060] Figure 17 This is a schematic diagram of the gripping component of the LED assembly mechanism in this invention;

[0061] Figure 18 This is a schematic diagram of the cooperative structure of the gripping component and the ejection component in this invention;

[0062] Figure 19 This is a schematic diagram of the detection device in this invention;

[0063] Figure 20 This is a schematic diagram of the overall structure of the feeding device in this invention;

[0064] Figure 21 This is a schematic diagram of an angle structure of the pallet transfer mechanism in this invention;

[0065] Figure 22 This is a schematic diagram of the pallet transfer mechanism in this invention from another angle;

[0066] Figure 23 This is a schematic diagram illustrating the structural principle of the pallet loading mechanism in this invention;

[0067] Figure 24 This is a schematic diagram illustrating the structural principle of the pallet stacking mechanism in this invention;

[0068] Figure 25 This is a schematic diagram of the structure of the LED product manufactured in this invention;

[0069] Figure 26 This is a schematic diagram of the LED chip structure using a carrier tape package as used in this invention;

[0070] Figure 27 This is a schematic diagram of the structure of the LED bead after its leads are cut and bent in this invention.

[0071] Explanation of the labels in the diagram:

[0072] 1. Multi-station rotary table; 1-1. Turntable; 1-2. Positioning seat; 1A. Base loading station; 1B. First LED assembly station; 1C. Second LED assembly station; 1D. Third LED assembly station; 1E. Inspection station; 1F. Unloading station;

[0073] 2. Base feeding device; 2-1. Base vibrating feeding mechanism; 2-1-1. Hopper; 2-1-2. Base direct vibrator; 2-1-3. Flexible vibrating plate; 2-2. Base feeding robot; 2-3. Base tilting mechanism; 2-3-1. Rotary driver; 2-3-2. Tilting table; 2-4. Base arrangement mechanism; 2-5. Base placement mechanism; 2-5-1. Pneumatic gripper; 2-5-2. Gripper lifting driver; 2-5-3. Gripper lateral sliding slide; 2-5-4. Gripper lateral support; 2-5-5. Gripper lateral driver

[0074] 3. First shear bending device; 4. Second shear bending device; 5. Third shear bending device;

[0075] 6. Detection device; 6-1. Detection plate; 6-2. Detection probe; 6-3. Visual inspection device; 6-4. Detection lifting drive;

[0076] 7. Unloading device; 7-1. Unloading and stacking robot; 7-2. Pallet transfer mechanism; 7-2-1. Pallet feeding conveyor line; 7-2-2. Pallet discharging conveyor line; 7-2-3. Lifting pallet; 7-3. Pallet stacking; 7-4. Pallet pushing mechanism; 7-5. Pallet loading mechanism; 7-5-1. Pallet placement rack; 7-5-2. Pallet loading clamping mechanism; 7-5-2a. Loading clamping driver; 7-5-2 b. Feeding clamping claw; 7-5-3. Pallet feeding and lifting mechanism; 7-6. Pallet stacking mechanism; 7-6-1. Pallet stop mechanism; 7-6-1a. Stop plate; 7-6-2. Pallet lifting mechanism; 7-6-3. Pallet stacking clamping mechanism; 7-6-3a. Stacking clamping claw; 7-6-3b. One-way movable plate; 7-6-3c. Stacking clamping driver; 7-7. Defective product slide; 7-8. Defective product collection box;

[0077] 8. Synchronous conveyor mechanism; 8-1. Feeding track; 8-2. Carrier belt gripping assembly; 8-2-1. Positioning post; 8-2-2. Lifting driver; 8-3. LED bead gripping assembly; 8-3-1. Gripper; 8-3-1a. Notch; 8-3-1b. Groove; 8-4. Linkage seat; 8-5. Conveyor driver;

[0078] 9. Shearing and bending mechanism; 9-1. Support base; 9-2. Carrier tape shearing base; 9-3. Shearing base; 9-4. Lower bending die base; 9-5. Pressure plate; 9-6. Cutting knife; 9-6-1. Cutting blade; 9-6-2. Shearing blade; 9-7. Bending knife; 9-8. Downward driving mechanism; 9-8-1. Top plate; 9-8-2. Guide post; 9-8-3. Downward driver; 9-8-4. Downward base; 9-8-5. Base; 9-8-6. Guide sleeve; 9-9. Gap; 9-10. Adjusting plate; 9-11. Connecting post; 9-12. Scrap chute; 9-13. Scrap collection box;

[0079] 10. Lamp bead assembly mechanism; 10-1. Lamp bead conversion seat; 10-1-1. Upper and lower through channel; 10-2. Ejection assembly; 10-2-1. Ejection rod; 10-2-2. Ejection driver; 10-3. Gripping assembly; 10-3-1. Gripping seat; 10-3-1a. Gripping slot; 10-3-2. Push rod assembly; 10-3-3. Ejection driver; 10-4. Lamp bead transverse sliding seat plate; 10-5. Lamp bead transverse sliding block; 10-6. Lamp bead transverse driving driver; 10-7. Lamp bead gripping driver;

[0080] 11. Positioning mechanism; 11-1. Elastic push rod; 11-2. Mounting bracket; 11-3. Positioning push actuator;

[0081] 12. Vibrating conveyor mechanism; 12-1. Straight vibrator; 12-2. Linear conveyor track; 12-2-1. Clearance groove; 12-2-2. Transition plate; 12-3. Quality inspection sampling block; 12-4. Sampling slide;

[0082] 101. Base; 102. First LED bead; 103. Second LED bead; 104. Third LED bead. Detailed Implementation

[0083] To further understand the content of this invention, a detailed description of the invention will be provided in conjunction with the accompanying drawings and embodiments.

[0084] [Example]

[0085] Combination Figures 1 to 3 As shown, an automatic assembly machine for forming LED lamp bead leads according to this embodiment includes a multi-station rotary worktable 1, a base feeding device 2, a first lead bending device 3, a second lead bending device 4, a third lead bending device 5, a detection device 6, and a unloading device 7, wherein:

[0086] The multi-station rotary table 1 has a base loading station 1A, a first LED assembly station 1B, a second LED assembly station 1C, a third LED assembly station 1D, an inspection station 1E, and a unloading station 1F arranged circumferentially. The turntable 1-1 of the multi-station rotary table 1 is provided with positioning seats 1-2 at equal angles circumferentially to correspond to each of the aforementioned stations; such as Figure 3 As shown, the multi-station rotary table 1 in this embodiment is a six-station rotary table. Its turntable 1-1 is driven by the turntable drive mechanism to rotate. The multi-station rotary table 1 is an existing product, and its specific working principle will not be described in detail here.

[0087] The base loading device 2 is used to place the base 101 one by one with the assembly surface facing up onto the positioning seat 1-2 that has been rotated to the base loading station 1A, so as to realize the loading and positioning of the base 101 on the multi-station rotary table 1, which facilitates the assembly of subsequent processes.

[0088] The first shearing and bending device 3 is used to shear and bend the first LED bead 102, and assemble the formed first LED bead 102 onto the base 101 that has been rotated to the first LED bead assembly station 1B, thereby realizing the assembly of the first LED bead 102 and the base 101.

[0089] The second shearing and bending device 4 is used to shear and bend the second LED bead 103, and assemble the formed second LED bead 103 onto the base 101 that has been rotated to the second LED bead assembly station 1C, thereby realizing the assembly of the second LED bead 103 and the base 101.

[0090] The third shearing and bending device 5 is used to shear and bend the third LED bead 104, and assemble the formed third LED bead 104 onto the base 101 that has been rotated to the third LED bead assembly station 1D, thereby realizing the assembly of the third LED bead 104 and the base 101.

[0091] The testing device 6 is used to test the assembly status of the first LED bead 102, the second LED bead 103 and the third LED bead 104 on the base 101 rotated to the testing station 1E, so as to ensure the stability of the product quality after assembly.

[0092] The unloading device 7 is used to remove the base 101, which has been rotated to the unloading station 1F, from the positioning seat 1-2.

[0093] Reference Figures 6 to 9As shown, the first shearing bending device 3, the second shearing bending device 4, and the third shearing bending device 5 described above have the same structure, all including a synchronous conveying mechanism 8, a shearing bending mechanism 9, and a lamp bead assembly mechanism 10. The synchronous conveying mechanism 8 includes a carrier belt gripping component 8-2 and a lamp bead gripping component 8-3, which can synchronously reciprocate intermittently along the conveying direction of the LED lamp bead carrier belt. The carrier belt gripping component 8-2 is located below the feeding track 8-1 and has a positioning post 8-2-1 that can be controlled to move up and down. The positioning post 8-2-1 can be inserted into and withdrawn from the positioning hole of the LED lamp bead carrier belt to drive the LED lamp bead carrier belt to move stepwise along the conveying direction of the feeding track 8-1. The lamp bead gripping component 8-3 is located at the shearing bending machine. On one side of the structure 9, there is a gripper 8-3-1 capable of gripping and releasing LED beads cut from the LED bead carrier tape, so as to synchronously drive the LED beads to move sequentially between the cutting station and the bending station of the cutting and bending mechanism 9; the cutting station of the cutting and bending mechanism 9 is provided with a cutting component capable of cutting the LED bead carrier tape at the same time as cutting the LED bead lead; the bending station of the cutting and bending mechanism 9 is provided with a bending component capable of bending the cut lead into shape; the cutting component and the bending component work synchronously; the LED bead assembly mechanism 10 is connected to the discharge end of the cutting and bending mechanism 9 for gripping the bent LED beads and assembling them into the corresponding mounting holes of the base 101.

[0094] This embodiment of an automatic LED bead lead forming assembly machine utilizes a multi-station rotary worktable 1 to synchronize various processes in LED bead assembly. It achieves the organic integration of automatic feeding, lead trimming, bending and shaping, automatic assembly, and automatic unloading of finished products, enabling the assembly of multiple LED beads on a base. Simultaneously, each lead trimming and bending device utilizes a synchronous conveying mechanism 8 to synchronously transport the LED beads packaged on carrier tape and the trimmed LED beads. This allows the LED beads to move stably and orderly within the lead trimming and bending mechanism 9, where they undergo lead trimming and bending. The entire lead trimming and bending process has a high degree of matching, good processing stability and continuity, meeting the production cycle requirements of the automatic assembly machine. This results in high LED bead assembly production efficiency, good product consistency, and reduced production costs for LED bead products.

[0095] like Figures 8 to 12 As shown, in this embodiment, the LED beads used in the first shearing bending device 3, the second shearing bending device 4, and the third shearing bending device 5 are... Figure 26 The LED beads shown are packaged using carrier tape. They can be manufactured by using the first shearing and bending device 3, the second shearing and bending device 4, and the third shearing and bending device 5. Figure 27The diagram shows the structure of the LED bead after its lead is cut and bent. The aforementioned feeding track 8-1 is connected to the lead-cutting and bending mechanism 9. LED beads packaged on carrier tape are conveyed along the feeding track 8-1. The carrier tape gripping assembly 8-2 and the LED bead gripping assembly 8-3 are respectively mounted on the linkage seat 8-4. The linkage seat 8-4 is mounted on the conveyor driver 8-5, which drives the carrier tape gripping assembly 8-2 and the LED bead gripping assembly 8-3 on the linkage seat 8-4 to reciprocate intermittently along the conveying direction of the feeding track 8-1. The general process of the conveyor driver 8-5 driving the carrier tape gripping assembly 8-2 and the LED bead gripping assembly 8-3 to move synchronously is as follows:

[0096] The reciprocating intermittent stroke of the conveyor driver 8-5 is the distance between two adjacent LEDs on the LED carrier belt. When conveying forward, the positioning post 8-2-1 inserts into the positioning hole of the carrier belt, and at the same time, the gripper 8-3-1 grabs the LED. At this time, the conveyor driver 8-5 drives the carrier belt gripping assembly 8-2 and the LED gripping assembly 8-3 to move forward synchronously. The positioning post 8-2-1 can then drive the carrier belt and the LEDs on it to move forward together by the interval of one LED. At the same time, the gripper 8-3-1 also drives the LED to move by the interval of one LED within the scissor bending mechanism 9, realizing the step-by-step movement of each LED. Afterward, the positioning post 8-2-1 exits the positioning hole of the carrier belt, and at the same time, the gripper 8-3-1 releases the LED. At this time, the conveyor driver 8-5 drives the carrier belt gripping assembly 8-2 and the LED gripping assembly 8-3 to reset backward. Repeating the above action process can realize the orderly conveying of LEDs.

[0097] Furthermore, the carrier tape gripping assembly 8-2 also includes a lifting driver 8-2-2 for driving the positioning posts 8-2-1 to move up and down. Two or more positioning posts 8-2-1 are provided on the lifting driver 8-2-2, and the positioning posts 8-2-1 are arranged according to the spacing of the positioning holes on the LED lamp bead carrier tape. To facilitate the installation of the positioning posts 8-2-1, each positioning post 8-2-1 is fixed to the mounting plate 8-2-3. The lifting driver 8-2-2 can drive each positioning post 8-2-1 to move up and down synchronously. Using multiple positioning posts 8-2-1 to transport the carrier tape effectively prevents the carrier tape from skewing during transport, improving transport and positioning accuracy. The gripper 8-3-1 spans the shearing and bending stations of the shearing and bending mechanism 9, and is used to remove the sheared and bent LED lamp beads from the shearing and bending mechanism 9. The carrier tape gripping assembly 8-2 can move the carrier tape with LED beads to the shearing station. The gripper 8-3-1 can simultaneously grip and transport the LED beads from the shearing station and the bending station, thus sending the LED beads that have been cut at the shearing station to the bending station, and at the same time, transporting the LED beads that have been bent at the bending station to the next process. Since the spacing between the LED beads on the carrier tape is small, if the shearing station and the bending station are adjacent, the space will be too narrow, which is not conducive to the arrangement of the shearing assembly and the bending assembly. Therefore, the shearing and bending mechanism 9 also has at least one temporary station between the shearing station and the bending station to increase the lateral distance between the shearing station and the bending station, so that the shearing and bending mechanism 9 has more installation space and ensures the stability and reliability of the shearing and bending actions.

[0098] like Figures 10 to 15As shown, in this embodiment, the lead-cutting and bending mechanism 9 includes a support base 9-1, a carrier tape cutting base 9-2, a lead-cutting base 9-3, a lower bending die base 9-4, a pressure plate 9-5, a cutting knife 9-6, a bending knife 9-7, and a downward pressure driving mechanism 9-8. The carrier tape cutting base 9-2 and the lead-cutting base 9-3 are respectively installed at the lead-cutting station of the support base 9-1, and the carrier tape cutting base 9-2 and the lead-cutting base 9-3 are perpendicular to each other. The lower bending die base 9-4 is installed at the bending station of the support base 9-1. The pressure plate 9-5 is located above the carrier tape cutting base 9-2, the lead-cutting base 9-3, and the lower bending die base 9-4, and has a gap 9-9 for the LED lamp bead carrier tape and lead to pass through. The gap 9-9 formed by the pressure plate 9-5 forms a conveying channel for the lead portion and limits the lead portion, which is beneficial to improving the lead-cutting and bending accuracy. The cutting blade 9-6 has a cutting edge 9-6-1 that cooperates with the carrier tape cutting seat 9-2 and a cutting edge 9-6-2 that cooperates with the cutting edge seat 9-3, forming the aforementioned cutting edge assembly; the bending blade 9-7 is located above the bending lower die seat 9-4, forming the aforementioned bending assembly; the cutting blade 9-6 and the bending blade 9-7 are respectively mounted on the pressing drive mechanism 9-8. When the pressing drive mechanism 9-8 drives the cutting blade 9-6 and the bending blade 9-7 to move downward, the cutting blade 9-6 and the bending blade 9-7 simultaneously complete the cutting of the LED lamp bead carrier tape and pins, as well as the bending and forming of the cut pins, which can achieve the cutting of the carrier tape while cutting the pins, facilitating the collection and processing of waste materials. Figure 7 As shown, a waste chute 9-12 is also provided on one side of the support base 9-1, and a waste collection box 9-13 is provided at the bottom of the waste chute 9-12. The cut carrier strip and leads are fed into the waste collection box 9-13 through the waste chute 9-12. The cooperation relationship between the cutting blade 9-6 and the bending blade 9-7 and the corresponding carrier strip cutting seat 9-2, shearing foot seat 9-3, and bending lower die seat 9-4 can be referred to Figure 15 As shown, the specific design can be tailored to the lead length and bending shape of the LED beads. Furthermore, by replacing the aforementioned lead-cutting and bending accessories, lead lengths and angles can be achieved, meeting the lead forming requirements of various LED beads.

[0099] like Figures 8 to 10As shown, the aforementioned downward pressure drive mechanism 9-8 includes a top plate 9-8-1, a guide post 9-8-2, a downward pressure driver 9-8-3, and a downward pressure base 9-8-4. The top plate 9-8-1 is mounted on the base 9-8-5 via the guide post 9-8-2. The downward pressure driver 9-8-3 is mounted on the top plate 9-8-1 and connected to the downward pressure base 9-8-4. The cutting blade 9-6 and the bending blade 9-7 are respectively fixed on the downward pressure base 9-8-4. The downward pressure driver 9-8-3 drives the cutting blade 9-6 and the bending blade 9-7 to move up and down synchronously. Furthermore, an adjusting plate 9-10 is mounted on the guide post 9-8-2 via a guide sleeve 9-8-6. The position of the adjusting plate 9-10 on the guide post 9-8-2 is adjustable. The adjusting plate 9-10 is connected to the pressure plate 9-5 via a connecting post 9-11. The height of the gap 9-9 can be adjusted by adjusting the position of the adjusting plate 9-10. The above structural design allows for easy adjustment of the gap size 9-9 to achieve the best pin trimming and bending effect, and is applicable to the trimming and bending of pins of different sizes.

[0100] like Figure 8 , Figure 9 and Figures 11 to 14 As shown, in order to ensure the consistency of the length after the pin is cut, a positioning mechanism 11 is also provided on one side of the pin bending mechanism 9 at the pin cutting station. The positioning mechanism 11 includes an elastic push rod 11-1, a mounting bracket 11-2 and a positioning push driver 11-3. The elastic push rod 11-1 is mounted on the positioning push driver 11-3 through the mounting bracket 11-2. The gripper 8-3-1 is provided with a notch 8-3-1a for the protruding LED bead on the side near the pin cutting station. The elastic push rod 11-1 corresponds to the LED bead at the pin cutting station. The positioning push driver 11-3 drives the elastic push rod 11-1 to push and position the LED bead protruding from the notch 8-3-1a. The carrier tape with LED beads is fed into the lead-cutting station by the carrier tape gripping assembly 8-2. At this time, the LED beads are assisted by the grippers 8-3-1, and the positioning pusher driver 11-3 drives the elastic pusher rod 11-1 to push the LED beads inward. The end face of the LED beads is positioned by abutting against the side of the lead-cutting seat 9-3, and then the leads are cut off. After positioning, the LED beads can maintain the positional accuracy during subsequent movement by the grippers 8-3-1, which also ensures the accuracy of subsequent bending and forming.

[0101] Reference Figure 7 and Figure 8 as well as Figures 16 to 18As shown, the LED assembly mechanism 10 and the discharge end of the shearing and bending mechanism 9 are connected by a vibrating conveying mechanism 12, which can transport the processed LED beads to the corresponding assembly station of the turntable 1-1 via the LED assembly mechanism 10. The LED assembly mechanism 10 includes an LED conversion seat 10-1, an ejection assembly 10-2, and a gripping assembly 10-3. The LED conversion seat 10-1 is located at the end of the vibrating conveying mechanism 12 and has an upper and lower through channel 10-1-1 that communicates with the discharge end of the vibrating conveying mechanism 12. The LED beads are arranged and conveyed forward in the vibrating conveying mechanism 12, and only one LED bead is allowed to enter the upper and lower through channel 10-1-1 at a time. The ejection assembly 10-2 is located below the LED conversion seat 10-1 and has a push rod 10 for pushing the LED bead that has entered the upper and lower through channel 10-1-1 upward. -2-1, After the LED bead enters the vertical through channel 10-1-1, the upper end of the push rod 10-2-1 is used to support the LED bead. When the push rod 10-2-1 moves upward, the LED bead can be pushed out from the vertical through channel 10-1-1. The gripping assembly 10-3 is located above the bead conversion seat 10-1. It has a gripping seat 10-3-1 that can be controlled to move up and down and horizontally. The gripping seat 10-3-1 has a gripping groove 10-3-1a for accommodating electronic components. The gripping seat 10-3-1 is also provided with a push rod assembly 10-3-2 for pushing the LED bead out of the gripping groove 10-3-1a. When gripping an LED bead, the gripping seat 10-3-1 moves above the vertical through channel 10-1-1, aligning the vertical through channel 10-1-1 with the gripping slot 10-3-1a. Then, the push rod 10-2-1 pushes the LED bead upwards from the vertical through channel 10-1-1 into the gripping slot 10-3-1a, thus gripping the LED bead. When it is necessary to eject the LED bead from the gripping slot 10-3-1a, the push rod assembly 10-3-2 moves downwards to eject the LED bead. The up-and-down movement of the push rod 10-2-1 is controlled by the ejection driver 10-2-2, and the up-and-down movement of the push rod assembly 10-3-2 is controlled by the ejection driver 10-3-3. Using the above-described LED bead assembly mechanism 10, the structure is simple and compact, and assembly can be achieved simultaneously with the ejection of the LED bead.

[0102] The vertical and horizontal movements of the gripper 10-3-1 described above can be achieved using a bidirectional drive mechanism. For example... Figure 16 and Figure 17As shown, the bidirectional drive mechanism includes a lamp bead horizontal moving base plate 10-4, a lamp bead horizontal moving slide 10-5, a lamp bead horizontal moving driver 10-6, and a lamp bead gripping driver 10-7. The lamp bead horizontal moving slide 10-5 is slidably mounted on the lamp bead horizontal moving base plate 10-4. The lamp bead horizontal moving driver 10-6 is mounted on one end of the lamp bead horizontal moving base plate 10-4, and its driving end is connected to the lamp bead horizontal moving slide 10-5 to drive the lamp bead horizontal moving slide 10-5 to move horizontally. The lamp bead gripping driver 10-7 is mounted on the lamp bead horizontal moving slide 10-5. The aforementioned gripping seat 10-3-1 is mounted on the driving end of the lamp bead gripping driver 10-7. The push-out driver 10-3-3 is fixed to the upper part of the gripping seat 10-3-1, and its driving end is connected to the push rod in the push rod assembly 10-3-2.

[0103] like Figure 7 , Figure 11 and Figure 12 As shown, in this embodiment, the vibration conveying mechanism 12 includes a linear vibrator 12-1 and a linear conveying track 12-2 mounted on the linear vibrator 12-1. One end of the linear conveying track 12-2 is connected to the discharge end of the shearing and bending mechanism 9. A clearance groove 12-2-1 for avoiding the gripper 8-3-1 is provided at this end of the linear conveying track 12-2-1. A transition plate 12-2-2 for supporting LED beads is provided inside the clearance groove 12-2-1. The corresponding end of the gripper 8-3-1 has a groove 8-3-1b that cooperates with the transition plate 12-2-2. Thus, the gripper 8-3-1 can place the formed LED beads into the end of the linear conveying track 12-2, and the transition plate 12-2-2 provides stable support for the LED beads, ensuring conveying stability. Figure 7 As shown, the other end of the linear conveyor track 12-2 is equipped with a detachable quality inspection sampling block 12-3. After the quality inspection sampling block 12-3 is removed, the end of the linear conveyor track 12-2 forms a quality inspection outlet. Below the quality inspection outlet is a sampling slide 12-4. At this time, the formed LED beads can slide out through the sampling slide 12-4, which makes it convenient to judge the wear of the shearing and bending mechanism 9 by the forming quality of the LED beads. This meets the need for periodic sampling inspection of the shearing and bending forming quality of the LED beads, and can realize sampling inspection without stopping the machine, making sampling inspection more convenient and faster.

[0104] Reference Figures 3 to 5As shown, in this embodiment, the base feeding device 2 includes a base vibration feeding mechanism 2-1, a base feeding robot 2-2, a base flipping mechanism 2-3, a base arranging mechanism 2-4, and a base placement mechanism 2-5. The base vibration feeding mechanism 2-1 is used to screen the mounting surface of the base 101. The base feeding robot 2-2 is used to place the base 101 with the mounting surface facing down, which is conveyed by the base vibration feeding mechanism 2-1, onto the base flipping mechanism 2-3. The base flipping mechanism 2-3 has a pneumatic adsorption hole, which is used to drive the base 101 to flip 180° under the action of pneumatic adsorption and release it onto the base arranging mechanism 2-4. The base arranging mechanism 2-4 is used to convey the base 101 in a straight line. The base placement mechanism 2-5 is located at the end of the base arranging mechanism 2-4 and is used to place the base 101 with the mounting surface facing up one by one onto the positioning seat 1-2 that has been rotated to the base feeding station 1A. The aforementioned base feeding device 2 has a simple structure, and the base 101 feeds materials accurately and efficiently. Specifically, the aforementioned base vibration feeding mechanism 2-1 includes a hopper 2-1-1, a base straight vibrator 2-1-2, and a flexible vibrating plate 2-1-3. The hopper 2-1-1 is located above the base straight vibrator 2-1-2, and the flexible vibrating plate 2-1-3 is located at the conveying end of the base straight vibrator 2-1-2. The base straight vibrator 2-1-2 can start and stop working according to visual signals, feeding the base 101 in the hopper 2-1-1 into the flexible vibrating plate 2-1-3. The flexible vibrating plate 2-1-3 is used to flip the base 101 (according to the structural characteristics of the base 101, the flexible vibrating plate 2-1-3 can make the mounting surface of the base 101 face down). The base feeding robot 2-2 preferably adopts an existing spider robot, which uses machine vision to grasp the base 101 with the mounting surface facing down and place it on the base flipping mechanism 2-3. In addition, the use of a spider-like robotic arm in conjunction with a flexible vibratory feeder 2-1-3 for feeding reduces wear and scratches on the base 101 compared to vibratory feeder feeding, thus meeting the surface smoothness requirements of the base 101. The base flipping mechanism 2-3 consists of a rotary driver 2-3-1 and a flipping table 2-3-2. The rotary driver 2-3-1 is preferably a rotary cylinder, and the flipping table 2-3-2 is mounted on the drive end of the rotary driver 2-3-1. The flipping table 2-3-2 has negative pressure suction holes. After the base feeding robot 2-2 places the base 101 on the flipping table 2-3-2, the negative pressure suction holes generate negative pressure to hold the base 101 in place. Then, the rotary driver 2-3-1 drives the flipping table 2-3-2 to rotate 180°, and at the same time, the negative pressure suction holes release the base 101, allowing the base 101 to enter the base arrangement mechanism 2-4 below. The base arrangement mechanism 2-4 is a linear vibrator that can drive the bases 101 to move forward sequentially.The base placement mechanism 2-5 includes a pneumatic gripper 2-5-1, a gripper lifting driver 2-5-2, a gripper lateral sliding seat 2-5-3, a gripper lateral support seat 2-5-4, and a gripper lateral driver 2-5-5. The pneumatic gripper 2-5-1 is used to grip the base 101 on the base arrangement mechanism 2-4. It is mounted on the gripper lifting driver 2-5-2, which drives the pneumatic gripper 2-5-1 to move up and down. The gripper lifting driver 2-5-2 is mounted on the gripper lateral sliding seat 2-5-3. The gripper lateral sliding seat 2-5-3 is slidably mounted on the gripper lateral support seat 2-5-4. The gripper lateral driver 2-5-5 is mounted on the gripper lateral support seat 2-5-4, and its driving end is connected to the gripper lateral sliding seat 2-5-3, realizing the transfer of the pneumatic gripper 2-5-1 between the gripping station and the placement station.

[0105] like Figure 19 As shown, the detection device 6 in this embodiment includes a detection plate 6-1 capable of controlled up-and-down movement. The detection plate 6-1 is equipped with three sets of detection probes 6-2 corresponding to the first LED bead 102, the second LED bead 103, and the third LED bead 104 on the base 101, respectively. The height change of the detection probes 6-2 after they move down to contact the corresponding LED bead is used to detect whether the LED bead is properly installed. The detection device 6 also includes a visual inspection device 6-3 capable of identifying whether any LED bead is missing from the base 101. The detection probes 6-2 and the visual inspection device 6-3 achieve dual quality inspection, effectively preventing defective products from being mixed in. Specifically, the detection plate 6-1 is mounted on a detection lifting driver 6-4. During detection, the detection lifting driver 6-4 moves the detection plate 6-1 downwards towards the base 101 (where the LED bead installed on the base 101 is as follows). Figure 25 As shown in the figure, after the detection probe 6-2 contacts the LED bead, it rises. The rising distance is detected by the photoelectric sensor on the detection board 6-1. If the LED bead is not installed in place, the detection probe 6-2 will rise too high, thereby generating a detection signal.

[0106] Reference Figure 20As shown, in this embodiment, the unloading device 7 includes an unloading and stacking robot 7-1 and a pallet transfer mechanism 7-2. The unloading and stacking robot 7-1 is located above the unloading station 1F and is used to place the base 101 rotated to the unloading station 1F onto the stacking pallet 7-3 conveyed by the pallet transfer mechanism 7-2. The unloading and stacking robot 7-1 is preferably a spider robot, which can work with machine vision to achieve orderly placement of the base 101 in the stacking pallet 7-3. Due to the use of a flexible vibratory feeder 2-1-3 for feeding and a spider robot for pallet placement, only the positioning seat 1-2 on the turntable 1-1 and the corresponding stacking pallet 7-3 need to be replaced to achieve the assembly of LED beads on bases 101 of different shapes (e.g., rectangular, circular, polygonal, irregular shapes (Y-shaped, H-shaped, etc.)). This improves the applicability of the automatic assembly machine for LED bead pin forming and can meet the assembly needs of LED beads for products of different shapes. The aforementioned unloading device 7 also has a product stacking function, which can realize the neat placement of products on the stacking pallet, facilitating the automation of subsequent processes; the pallet transfer mechanism can realize the automated feeding and transfer of stacking pallets and the automatic pallet stacking, facilitating subsequent handling or packaging.

[0107] Specific reference Figures 20 to 22 As shown, in this embodiment, the pallet transfer mechanism 7-2 includes a pallet feeding conveyor line 7-2-1 and a pallet discharging conveyor line 7-2-2, which are arranged side by side. The pallet feeding conveyor line 7-2-1 and the pallet discharging conveyor line 7-2-2 are located near the unloading station 1F. One end of each is provided with a lifting pallet 7-2-3. On one side of the pallet feeding conveyor line 7-2-1, there is also a pallet pushing mechanism 7-4 for pushing the stacking pallet 7-3 on the lifting pallet 7-2-3 of the pallet feeding conveyor line 7-2-1 to the lifting pallet 7-2-3 of the pallet output conveyor line 7-2-2. The pallet feeding conveyor line 7-2-1 conveys the stacking pallet 7-3 towards the lifting pallet 7-2-3. After the stacking pallet 7-3 moves onto the lifting pallet 7-2-3 and is limited, the lifting pallet 7-2-3 is lifted upward, so that the stacking pallet 7-3 leaves the pallet feeding conveyor line 7-2-1. At this time, the pallet pushing mechanism 7-4 is activated, pushing the stacking pallet 7-3 onto the lifting pallet 7-2-3 of the pallet output conveyor line 7-2-2 on the other side, and the base is stacked on the lifting pallet 7-2-3.

[0108] A pallet feeding mechanism 7-5 is also provided at the end of the pallet feeding conveyor line 7-2-1 away from the lifting pallet plate 7-2-3. The pallet feeding mechanism 7-5 includes a pallet placement frame 7-5-1, a pallet feeding clamping mechanism 7-5-2, and a pallet feeding lifting mechanism 7-5-3. The pallet feeding clamping mechanism 7-5-2 is located on both sides of the bottom of the pallet placement frame 7-5-1 and is used to clamp or release the bottommost stacked pallet 7-3. The pallet feeding lifting mechanism 7-5-3 is located at the bottom of the pallet placement frame 7-5-1 and is used to lift the bottommost stacked pallet 7-3 and place it on the pallet feeding conveyor line 7-2-1. Empty stacked pallets 7-3 are placed on the pallet feeding conveyor line 7-2-1. Inside the placement rack 7-5-1, when removing and stacking pallets 7-3 one by one, the pallet loading and lifting mechanism 7-5-3 first rises to support the bottommost pallet 7-3. Then, the pallet loading and clamping mechanisms 7-5-2 on both sides release the pallet 7-3, and the pallet loading and lifting mechanism 7-5-3 lowers the entire pallet 7-3 by one pallet height. At the same time, the pallet loading and clamping mechanisms 7-5-2 on both sides re-clamp the second-to-last pallet 7-3. At this point, the pallet loading and lifting mechanism 7-5-3 continues to move downward, placing the bottommost pallet 7-3 onto the pallet feeding conveyor line 7-2-1, thus realizing the sequential conveying of the pallets 7-3. Figure 23 As shown, the pallet loading clamping mechanism 7-5-2 includes a loading clamping driver 7-5-2a and loading clamping claws 7-5-2b. The loading clamping driver 7-5-2a is fixed to both sides of the bottom of the pallet placement frame 7-5-1. The loading clamping claws 7-5-2b are installed on the driving end of the loading clamping driver 7-5-2a. The two loading clamping claws 7-5-2b are positioned opposite each other. When the loading clamping driver 7-5-2a drives the loading clamping claws 7-5-2b to extend, the loading clamping claws 7-5-2b can extend into both sides of the stacked pallet 7-3 to support it. When the loading clamping driver 7-5-2a drives the loading clamping claws 7-5-2b to retract, the stacked pallet 7-3 can be released. The pallet loading lifting mechanism 7-5-3 uses a linear cylinder to control the up and down movement of the lifting plate.

[0109] At the end of the pallet delivery conveyor line 7-2-2 furthest from the lifting pallet 7-2-3, a pallet stacking mechanism 7-6 is also provided. The pallet stacking mechanism 7-6 includes a pallet stop mechanism 7-6-1, a pallet lifting mechanism 7-6-2, and a pallet stacking clamping mechanism 7-6-3. The pallet stop mechanism 7-6-1 is located at the far end of the pallet delivery conveyor line 7-2-2 and is used to block the pallets 7-3 that are being transported and stacked. The pallet lifting mechanism 7-6-2 is located in front of the pallet stop mechanism 7-6-1 and is used to lift the pallets transported by the pallet delivery conveyor line 7-2-2 upwards. Pallet 7-3 is placed; pallet stacking clamping mechanism 7-6-3 is located on both sides of pallet lifting mechanism 7-6-2, used to clamp or release the upwardly lifted pallet 7-3; pallet stop mechanism 7-6-1 has a stop plate 7-6-1a that can descend to release the pallet 7-3. When the pallet 7-3 is stacked to a set quantity or height, pallet stacking clamping mechanism 7-6-3 releases the pallet 7-3, and at the same time the stop plate 7-6-1a descends, and the stacked pallets 7-3 are moved to the next station by pallet delivery conveyor line 7-2-2. Figure 22 and Figure 24As shown, the pallet palletizing clamping mechanism 7-6-3 has a similar structure to the pallet loading clamping mechanism 7-5-2 described above. It includes a palletizing clamping claw 7-6-3a, a one-way movable plate 7-6-3b, and a palletizing clamping driver 7-6-3c. The palletizing clamping driver 7-6-3c is fixedly installed on both sides of the pallet delivery conveyor line 7-2-2. The palletizing clamping claw 7-6-3a is installed on the drive end of the palletizing clamping driver 7-6-3c. The one-way movable plate 7-6-3b is hinged to the palletizing clamping claw 7-6-3a and can rotate upward. When pallet 7-3 is conveyed outward by pallet delivery conveyor line 7-2-2, stop plate 7-6-1a rises to block pallet 7-3. At this time, pallet 7-3 is above pallet lifting mechanism 7-6-2. Then pallet lifting mechanism 7-6-2 lifts pallet 7-3 upward. At this time, one-way movable plate 7-6-3b flips upward as pallet 7-3 is lifted. After pallet 7-3 passes over one-way movable plate 7-6-3b, under the action of elastic reset, one-way movable plate 7-6-3b returns to the horizontal position, thus supporting pallet 7-3 and realizing the stacking of pallets 7-3 one by one. When the number or height of the stacked pallets 7-3 reaches the set value, the pallet lifting mechanism 7-6-2 rises to support the bottommost stacked pallet 7-3. The pallet clamping driver 7-6-3c drives the pallet clamping claws 7-6-3a and the one-way movable plate 7-6-3b to retract, thereby releasing the stacked pallets 7-3. At the same time, the stop plate 7-6-1a of the pallet stop mechanism 7-6-1 descends, and the pallet lifting mechanism 7-6-2 places the stacked pallets 7-3 on the pallet delivery conveyor line 7-2-2, which then sends the stacked pallets 7-3 to the next station.

[0110] like Figures 20 to 22 As shown in this embodiment, a defective product chute 7-7 is provided behind the lifting pallet 7-2-3 of the pallet delivery conveyor line 7-2-2. A defective product collection box 7-8 is also provided at the bottom of the defective product chute 7-7. If the preceding detection device 6 detects that the base and LED beads are not assembled properly, the unloading and stacking robot 7-1 will directly put the defective product into the defective product chute 7-7 and slide it into the defective product collection box 7-8.

[0111] It should be noted that each of the actuators involved in this embodiment is preferably implemented using a cylinder, which has the advantages of fast action response speed and stable and reliable movement.

[0112] This invention discloses an automatic LED bead lead forming assembly machine. It utilizes a multi-station rotary table to synchronize various processes in LED bead assembly, achieving an organic integration of automatic feeding, lead trimming, bending and shaping, automatic assembly, and automatic unloading of finished products. This allows for the assembly of multiple LED beads on a base. Simultaneously, each lead trimming and bending device utilizes a synchronous conveying mechanism to simultaneously transport the LED beads packaged on carrier tape and the trimmed LED beads. This ensures stable and orderly movement of the LED beads within the lead trimming and bending mechanism, where the leads are trimmed and bent. The entire lead trimming and bending process exhibits high matching degree, good processing stability and continuity, meeting the production cycle requirements of the automatic assembly machine. This results in high LED bead assembly production efficiency, good product consistency, and reduced production costs for LED bead products.

[0113] The present invention and its embodiments have been described above illustratively. This description is not restrictive, and the figures shown are only one embodiment of the present invention; the actual structure is not limited thereto. Therefore, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. An automatic assembly machine for forming LED lamp bead leads, comprising: A multi-station rotary table (1) has a base loading station (1A), a first lamp bead assembly station (1B), a second lamp bead assembly station (1C), a third lamp bead assembly station (1D), an inspection station (1E), and a unloading station (1F) arranged in a circumferential direction. The turntable (1-1) of the multi-station rotary table (1) is provided with positioning seats (1-2) corresponding to each of the above stations at equal angles in the circumferential direction. The base loading device (2) is used to place the bases (101) one by one with the assembly surface facing up onto the positioning seats (1-2) that have been rotated to the base loading station (1A); The first shearing and bending device (3) is used to shear and bend the first LED bead (102) and assemble the formed first LED bead (102) onto the base (101) that has been rotated to the first LED bead assembly station (1B); The second shearing and bending device (4) is used to shear and bend the second LED bead (103) and assemble the formed second LED bead (103) onto the base (101) that has been rotated to the second LED bead assembly station (1C); The third shearing and bending device (5) is used to shear and bend the third LED bead (104) and assemble the formed third LED bead (104) onto the base (101) that has been rotated to the third LED bead assembly station (1D). The testing device (6) is used to test the assembly status of the first LED bead (102), the second LED bead (103) and the third LED bead (104) on the base (101) rotated to the testing station (1E); The unloading device (7) is used to remove the base (101) rotated to the unloading station (1F) from the positioning seat (1-2); Its features are: The first shearing and bending device (3), the second shearing and bending device (4), and the third shearing and bending device (5) have the same structure, all including a synchronous conveying mechanism (8), a shearing and bending mechanism (9), and a lamp bead assembly mechanism (10). The synchronous conveying mechanism (8) includes a carrier belt gripping component (8-2) and a lamp bead gripping component (8-3) capable of synchronously reciprocating intermittently along the conveying direction of the LED lamp bead carrier belt. The carrier belt gripping component (8-2) is located below the feeding track (8-1) and has the ability to move up and down in a controlled manner. The positioning post (8-2-1) can be inserted into and withdrawn from the positioning hole of the LED lamp bead carrier strip to drive the LED lamp bead carrier strip to move step by step along the conveying direction of the feeding track (8-1); the lamp bead gripping component (8-3) is located on one side of the shearing and bending mechanism (9), and has a gripper (8-3-1) capable of gripping and releasing the LED lamp beads cut off from the LED lamp bead carrier strip, so as to synchronously drive the LED lamp beads to move sequentially between the shearing station and the bending station of the shearing and bending mechanism (9); The shearing and bending mechanism (9) is provided with a shearing component at the shearing station that can cut the LED lamp bead's lead at the same time as cutting the LED lamp bead's carrier tape. The bending station of the shearing and bending mechanism (9) is provided with a bending component that can bend the cut lead into shape. The shearing component and the bending component work synchronously. The LED bead assembly mechanism (10) is connected to the discharge end of the shearing and bending mechanism (9) to grab the bent LED beads and assemble them into the corresponding mounting holes of the base (101).

2. The automatic assembly machine for forming LED lamp bead leads according to claim 1, characterized in that: The feeding track (8-1) is connected to the shearing and bending mechanism (9). The carrier belt gripping assembly (8-2) and the LED bead gripping assembly (8-3) are respectively mounted on the linkage seat (8-4). The linkage seat (8-4) is mounted on the conveyor driver (8-5). The carrier belt gripping assembly (8-2) also includes a lifting driver (8-2-2) for driving the positioning column (8-2-1) to move up and down. There are two or more positioning columns (8-2-1) on the lifting driver (8-2-2). Each positioning column (8-2-1) is arranged according to the spacing of the positioning holes on the LED bead carrier belt. The gripper (8-3-1) spans the shearing station and bending station of the shearing and bending mechanism (9) and is used to remove the sheared and bent LED beads from the shearing and bending mechanism (9); at least one temporary station is also provided between the shearing station and the bending station of the shearing and bending mechanism (9) to increase the lateral distance between the shearing station and the bending station.

3. The automatic assembly machine for forming LED lamp bead leads according to claim 1, characterized in that: The shearing and bending mechanism (9) includes a support base (9-1), a carrier tape shearing base (9-2), a shearing base (9-3), a bending lower die base (9-4), a pressure plate (9-5), a cutting knife (9-6), a bending knife (9-7), and a downward pressure driving mechanism (9-8). The carrier tape shearing base (9-2) and the shearing base (9-3) are respectively installed at the shearing position of the support base (9-1). The bending lower die base (9-4) is installed at the bending position of the support base (9-1). The pressure plate (9-5) is located above the carrier tape shearing base (9-2), the shearing base (9-3), and the bending lower die base (9-4), and has a gap (9-9) for the LED lamp bead carrier tape and pins to pass through. The cutting blade (9-6) has a cutting edge (9-6-1) that cooperates with the carrier tape cutting seat (9-2) and a cutting edge (9-6-2) that cooperates with the cutting edge seat (9-3), forming the cutting edge assembly described above; the bending blade (9-7) is located above the bending lower die seat (9-4), forming the bending assembly described above; the cutting blade (9-6) and the bending blade (9-7) are respectively mounted on the pressing drive mechanism (9-8). When the pressing drive mechanism (9-8) drives the cutting blade (9-6) and the bending blade (9-7) to move downward, the cutting blade (9-6) and the bending blade (9-7) simultaneously complete the cutting of the LED lamp bead carrier tape and the pin, and the bending of the cut pin.

4. The automatic assembly machine for forming LED lamp bead leads according to claim 1, characterized in that: The shearing and bending mechanism (9) is also provided with a positioning mechanism (11) located at the shearing station on one side. The positioning mechanism (11) includes an elastic push rod (11-1), a mounting bracket (11-2), and a positioning push driver (11-3). The elastic push rod (11-1) is mounted on the positioning push driver (11-3) through the mounting bracket (11-2). The gripper (8-3-1) is provided with a notch (8-3-1a) for LED beads to protrude on the side near the shearing station. The elastic push rod (11-1) corresponds to the LED beads on the shearing station. The positioning push driver (11-3) drives the elastic push rod (11-1) to push and position the LED beads protruding from the notch (8-3-1a).

5. The automatic assembly machine for forming LED lamp bead leads according to claim 1, characterized in that: The lamp bead assembly mechanism (10) and the discharge end of the shearing and bending mechanism (9) are connected by a vibrating conveying mechanism (12); the lamp bead assembly mechanism (10) includes a lamp bead conversion seat (10-1), an ejection assembly (10-2), and a gripping assembly (10-3). The lamp bead conversion seat (10-1) is located at the end of the vibrating conveying mechanism (12), and the lamp bead conversion seat (10-1) has an upper and lower through channel (10-1-1) that communicates with the discharge end of the vibrating conveying mechanism (12); the ejection assembly (10-2) is located below the lamp bead conversion seat (10-1). The device has a push rod (10-2-1) for pushing the LED beads into the vertical through channel (10-1-1) upwards; the gripping assembly (10-3) is located above the LED bead conversion seat (10-1), and has a gripping seat (10-3-1) that can be controlled to move up and down and horizontally. The gripping seat (10-3-1) has a gripping slot (10-3-1a) for accommodating electronic components. The gripping seat (10-3-1) is also provided with a push rod assembly (10-3-2) for pushing the LED beads out of the gripping slot (10-3-1a).

6. The automatic assembly machine for forming LED lamp bead leads according to claim 5, characterized in that: The vibration conveying mechanism (12) includes a linear vibrator (12-1) and a linear conveying track (12-2) mounted on the linear vibrator (12-1). One end of the linear conveying track (12-2) is connected to the discharge end of the shearing and bending mechanism (9), and a clearance groove (12-2-1) for avoiding the gripper (8-3-1) is provided at this end of the linear conveying track (12-2). The clearance groove (12-2-1) is provided with a support for LED beads. The transition plate (12-2-2) has a corresponding groove (8-3-1b) that mates with the transition plate (12-2-2). The other end of the linear conveying track (12-2) is provided with a detachable quality inspection sampling block (12-3). After the quality inspection sampling block (12-3) is removed, the end of the linear conveying track (12-2) forms a quality inspection outlet. A sampling slide (12-4) is provided below the quality inspection outlet.

7. The automatic assembly machine for forming LED lamp bead leads according to any one of claims 1 to 6, characterized in that: The base feeding device (2) includes a base vibration feeding mechanism (2-1), a base feeding robot (2-2), a base flipping mechanism (2-3), a base arranging mechanism (2-4), and a base placement mechanism (2-5). The base vibration feeding mechanism (2-1) is used to screen the mounting surface of the base (101). The base feeding robot (2-2) is used to place the base (101) with its mounting surface facing down, which is conveyed by the base vibration feeding mechanism (2-1), into the base flipping mechanism (2-5). On the base, the base flipping mechanism (2-3) has a pneumatic adsorption hole, which is used to drive the base (101) to flip 180° under the action of pneumatic adsorption and release it onto the base arranging mechanism (2-4). The base arranging mechanism (2-4) is used to transport the base (101) in a straight line. The base placement mechanism (2-5) is located at the end of the base arranging mechanism (2-4) and is used to place the bases (101) with the mounting surface facing up one by one onto the positioning seat (1-2) that has been rotated to the base loading station (1A).

8. The automatic assembly machine for forming LED lamp bead leads according to any one of claims 1 to 6, characterized in that: The detection device (6) includes a detection plate (6-1) that can move up and down in a controlled manner. The detection plate (6-1) is provided with three sets of detection probes (6-2) that correspond to the first LED bead (102), the second LED bead (103), and the third LED bead (104) on the base (101), respectively. The LED bead is detected by the change in height after the detection probe (6-2) moves down to contact the corresponding LED bead. The detection device (6) also includes a visual detection device (6-3) that can identify whether an LED bead is missing from the base (101).

9. The automatic assembly machine for forming LED lamp bead leads according to any one of claims 1 to 6, characterized in that: The unloading device (7) includes an unloading and stacking robot (7-1) and a pallet transfer mechanism (7-2). The unloading and stacking robot (7-1) is located above the unloading station (1F) and is used to place the base (101) rotated to the unloading station (1F) onto the stacking pallet (7-3) conveyed by the pallet transfer mechanism (7-2).

10. The automatic assembly machine for forming LED lamp bead leads according to claim 9, characterized in that: The pallet transfer mechanism (7-2) includes a pallet feeding conveyor line (7-2-1) and a pallet dispensing conveyor line (7-2-2). The pallet feeding conveyor line (7-2-1) and the pallet dispensing conveyor line (7-2-2) are arranged side by side. At the end of the pallet feeding conveyor line (7-2-1) and the pallet dispensing conveyor line (7-2-2) near the unloading station (1F), a lifting pallet (7-2-3) is respectively provided. On one side of the pallet feeding conveyor line (7-2-1), a pallet pushing mechanism (7-4) is also provided for pushing the pallets (7-3) on the lifting pallet (7-2-3) of the pallet feeding conveyor line (7-2-1) to the lifting pallet (7-2-3) of the pallet dispensing conveyor line (7-2-2). The pallet feeding conveyor line (7-2-1) is also provided with a pallet loading mechanism (7-5) at the end away from the lifting pallet plate (7-2-3). The pallet loading mechanism (7-5) includes a pallet placement frame (7-5-1), a pallet loading clamping mechanism (7-5-2), and a pallet loading lifting mechanism (7-5-3). The pallet loading clamping mechanism (7-5-2) is located on both sides of the bottom of the pallet placement frame (7-5-1) and is used to clamp or release the bottommost stacked pallet (7-3). The pallet loading lifting mechanism (7-5-3) is located at the bottom of the pallet placement frame (7-5-1) and is used to lift the bottommost stacked pallet (7-3) and place it on the pallet feeding conveyor line (7-2-1). The pallet delivery conveyor line (7-2-2) is further equipped with a pallet stacking mechanism (7-6) at the end away from the lifting pallet plate (7-2-3). The pallet stacking mechanism (7-6) includes a pallet stop mechanism (7-6-1), a pallet lifting mechanism (7-6-2), and a pallet stacking clamping mechanism (7-6-3). The pallet stop mechanism (7-6-1) is located at the far end of the pallet delivery conveyor line (7-2-2) and is used to block the pallets (7-3) being delivered and stacked. The pallet lifting mechanism (7-6-2) is located before the pallet stop mechanism (7-6-1) and is used to lift the pallets delivered by the pallet delivery conveyor line (7-2-2) upwards. Placing pallets (7-3); The pallet stacking clamping mechanism (7-6-3) is located on both sides of the pallet lifting mechanism (7-6-2) and is used to clamp or release the upward-lifted pallet (7-3); The pallet stop mechanism (7-6-1) has a stop plate (7-6-1a) that can descend to release the pallet (7-3). When the pallet (7-3) is stacked to a set quantity or height, the pallet stacking clamping mechanism (7-6-3) releases the pallet (7-3), and at the same time the stop plate (7-6-1a) descends, and the pallet delivery conveyor line (7-2-2) moves the stacked pallets (7-3) to the next station.

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