Control system for seat leg pad dispensing assembly

Abstract

The application discloses a control system for seat foot support gasket dispensing assembly, comprising a workbench, a dispensing chamber frame is installed on the upper edge of the workbench, the dispensing chamber frame is surrounded by three safety doors to form a dispensing chamber, the dispensing chamber is provided with an operation window, the foot support clamp, the gasket feeding mechanism, the gasket separating mechanism, the gasket grabbing mechanism and the glue coating assembly are all installed in the dispensing chamber to realize foot support gasket dispensing assembly; the lower part of the workbench is a control cabinet, a PLC controller is installed in the control cabinet, and the PLC controller is connected with the foot support clamp, the gasket feeding mechanism, the gasket separating mechanism, the gasket grabbing mechanism and the glue coating assembly. The obvious effect of the scheme is that the glue coating and gasket assembly are integrated based on the automatic control system, the gasket glue coating amount is stable, the glue coating uniformity is good, and the gasket is automatically assembled.

Description

Technical Field

[0001] This invention relates to the field of intelligent control for the assembly of automotive parts, and specifically to an intelligent control system for the assembly of automotive seat parts. Background Technology

[0002] One-piece die-cast magnesium alloy automotive seat components offer advantages such as light weight and high strength, and have been recognized by various automotive seat manufacturers. After the magnesium alloy seat frame is die-cast, nuts and other accessories are typically pre-installed on the frame according to requirements.

[0003] The car seat base is a component that connects the seat to the car floor; its structure is as follows: Figure 1 As shown. Existing manufacturers require that shims be placed in advance at two designed locations (location A) on the magnesium alloy legs to facilitate subsequent assembly. The shim structure is as follows. Figure 2 As shown.

[0004] During the assembly of the gaskets, the gaskets are held in place by the seat frame and legs. Technicians decided to temporarily fix the gaskets with adhesive. However, considering factors such as variations in adhesive application amount, uniformity, dust resistance, and workload, the existing adhesive application speed and effect were insufficient to meet the requirements. Furthermore, the adhesive application process largely relies on manual labor, and significant differences in manual processing lead to substantial variations in adhesive application amount and distribution, resulting in inconsistent product quality.

[0005] Existing glue application control systems are all designed for older mechanical glue application equipment, such as manually placing a tripod and then using a glue gun to lift and lower to apply glue. While control is easy, the equipment is outdated, has limited functionality, and poor glue application stability, failing to achieve the desired results. To overcome these technical challenges, in addition to designing an appropriate mechanical structure, a control system for the mechanical system is also required. However, current technology cannot achieve this, and the existing systems are difficult to operate and lack intelligent control. Summary of the Invention

[0006] Based on the above description, this invention proposes a matching glue application and gasket assembly machine for the assembly of seat legs and gaskets. At the same time, the machine is intelligently designed to achieve precise control, which has the advantages of automatic control, stable glue application, uniform glue application, and automatic gasket assembly.

[0007] The main technical solutions adopted in this invention are as follows:

[0008] A control system for dispensing and assembling seat leg pads, the key technology of which is: including a workbench, a dispensing chamber frame installed on the upper edge of the workbench, the dispensing chamber frame being surrounded by at least 3 safety doors to form a dispensing chamber, the dispensing chamber having an operation window, the leg clamp, pad feeding mechanism, pad separating mechanism, pad gripping mechanism and glue application assembly are all installed in the dispensing chamber, for realizing the dispensing and assembly of leg pads;

[0009] The safety door is equipped with a safety lock, and the dispensing chamber frame is also connected to a touch screen mounting bracket, on which the touch screen and dispensing control buttons are connected.

[0010] Below the workbench is a control cabinet, which houses a PLC controller. The PLC controller is connected to the tripod clamp, gasket feeding mechanism, gasket separating mechanism, gasket gripping mechanism, glue application assembly, safety lock, touch screen, and glue dispensing control buttons. Attached Figure Description

[0011] Figure 1 A schematic diagram of the structure of a magnesium alloy car seat bracket;

[0012] Figure 2 This is a schematic diagram of the gasket structure;

[0013] Figure 3 This is a three-dimensional structural diagram of the present invention;

[0014] Figure 4 This is a schematic diagram of the planar structure of the present invention;

[0015] Figure 5 This is a distribution diagram of the tripod clamp 2, the gasket feeding mechanism 3, and the gasket separating mechanism 4;

[0016] Figure 6 A diagram showing the correspondence between the feeding track 32 and the transverse sliding assembly 41;

[0017] Figure 7 This is a diagram showing the correspondence between the feeding track 32 and the transfer block 42.

[0018] Figure 8 This is a schematic diagram of the gasket gripping mechanism 5;

[0019] Figure 9 A diagram showing the correspondence between material taking block 52 and dispensing pen 61;

[0020] Figure 10 For dispensing assembly control block diagram;

[0021] Figure 11 This is a schematic diagram of the overall structure of the dispensing assembly equipment. Detailed Implementation

[0022] The present invention will be further described below with reference to the embodiments and accompanying drawings.

[0023] like Figures 3-11 As shown, a control system for dispensing and assembling seat leg pads is described. See also... Figure 11 The system includes a workbench 1, with a dispensing chamber frame installed on the upper edge of the workbench 1. This dispensing chamber frame, along with a safety door, a mounting panel, and the workbench 1, forms the dispensing chamber. The dispensing chamber has an operating window. The leg clamp 2, gasket feeding mechanism 3, gasket separating mechanism 4, gasket gripping mechanism 5, and adhesive application assembly 6 are all installed inside the dispensing chamber. A safety lock is installed on the safety door. A touchscreen mounting bracket is also connected to the dispensing chamber frame, and the touchscreen and dispensing control buttons are connected to the mounting bracket. Below the workbench 1 is a control cabinet, which houses a PLC controller. The PLC controller's display is connected to the touchscreen and the dispensing control buttons.

[0024] In this embodiment, see Figure 11 The control cabinet is equipped with four casters at the bottom.

[0025] In this embodiment, the control system uses a Siemens S7-1200 programmable controller and a positioning axis module, while the human-interface touchscreen is a Siemens TP700 Smart Screen. The alarm is a buzzer.

[0026] The equipment utilizes sensors manufactured by Gino and magnetic induction sensors from Airtac for detection. Therefore, the system is stable, reliable, energy-efficient, highly efficient, and has strong anti-interference capabilities during operation. It also boasts excellent scalability, a low failure rate, and is convenient for maintenance and operation.

[0027] The control system power supply voltage is 220VAC±5%, frequency is 50Hz±1%, and the number of phases is single phase; the total power of the equipment is less than or equal to 3KW.

[0028] Wherein: the tripod clamp 2 is used to clamp the tripod; the glue application assembly 6 is used to apply glue to the tripod; the gasket feeding mechanism 3 is used to feed the gasket to the gasket sorting mechanism 4; the gasket sorting mechanism 4 is used to distribute the gasket to the picking position; and the gasket gripping mechanism 5 is used to grip the gasket at the picking position and place it on the tripod.

[0029] The structures of the tripod clamp 2, the gasket feeding mechanism 3, the gasket separating mechanism 4, the gasket gripping mechanism 5, and the glue application assembly 6 are described below.

[0030] First, the tripod clamp 2 includes a horizontally arranged clamp base plate 21. The upper surface of the clamp base plate 21 is provided with two tripod positioning posts 22, three tripod support platforms 23, three clamping assemblies 24, three clamping cylinders 25, a tripod presence / absence detection switch 27, and two lock hole detection positioning switches 28. The tripod positioning posts 22 are used to align with the holes on the tripod. The tripod support platforms 23 support the tripod. The clamping assemblies 24 and clamping cylinders 25 correspond one-to-one. The cylinder barrel of the clamping cylinder 25 is fixed, and the piston rod of the clamping cylinder 25 acts on the clamping assembly 24. The structure of the clamping assembly 24 has various real-time methods in the prior art, and its connection method with the clamping cylinder 25 is also easy for those skilled in the art to conceive of, so it will not be described in detail here.

[0031] To facilitate the placement of the tripod on the fixture, three placement guide plates 26 are provided on the fixture base plate 21. The three placement guide plates 26 are arranged around the tripod positioning post 22 and the tripod support platform 23. The placement guide plates 26 are arranged vertically, and the lower edge of the placement guide plate 26 is connected to the upper surface of the fixture base plate 21. The upper part of the placement guide plate 26 is turned outward to form a guide slope.

[0032] The upper surface of the base plate 21 is also provided with a clamp handle for picking up.

[0033] Among them, the tripod detection switch 27 is used to abut against the tripod placed on the workbench 1 to detect the placement status of the tripod;

[0034] Two lock hole detection switches 28 are used to detect the fixed state of the tripod fixed to the tripod clamp 2. After the tripod is installed on the workbench 1, the switch is locked and the lock hole detection switch is used to detect the lock state and implement monitoring.

[0035] Intelligent detection and control are achieved by connecting the tripod presence / absence detection switch 27 and the lock hole detection position switch 28 to the PLC controller.

[0036] In this embodiment, a dispensing chamber frame is installed above the edge of the workbench 1. This dispensing chamber frame is surrounded by three safety doors to form the dispensing chamber. The three safety doors are left, right, and rear safety doors. Safety locks are installed on the three safety doors, and all safety locks are connected to the PLC controller.

[0037] The dispensing chamber has an operating window. In this embodiment, the tripod clamp is located on the side near the operating window. The worktable 1, tripod clamp 2, gasket feeding mechanism 3, gasket separating mechanism 4, gasket gripping mechanism 5, and glue application assembly 6 are all installed in the dispensing chamber.

[0038] The dispensing chamber frame is also connected to a touch screen mounting bracket, on which the touch screen is connected; the touch screen mounting bracket is also equipped with a tri-color light connected to the PLC controller.

[0039] In this embodiment, the gasket feeding mechanism 3 includes a feeding disc 31 and a feeding track 32. The feeding disc 31 is a vibrating feeding disc. The feeding end of the feeding track 32 is connected to the discharge port of the feeding disc 31. The feeding track 32 is provided with a feeding groove.

[0040] More specifically, the feeding track 32 includes a bottom plate 321, two constraint plates 322, and two cover plates 323. The bottom plate 321, constraint plates 322, and cover plates 323 are all strip-shaped. The bottom plate 321 is horizontally arranged. The two opposite sides of the bottom plate 321 are respectively connected to the upwardly extending constraint plates 322. The upper edges of the vertical constraint plates 322 are respectively connected to the inwardly extending cover plates 323. The cover plates 323 are horizontally arranged. The bottom plate 321, the two constraint plates 322, and the two cover plates 323 form the feeding trough.

[0041] The discharge end of the feeding track 32 is connected to two sealing panels 324. The sealing panels 324 are horizontally arranged, and the two sealing panels 324 correspond one-to-one with the two cover plates 323. The free ends of the sealing panels 324 and the corresponding cover plates 323 are connected. When processing the feeding track 32, a profile with a corresponding shape is selected, that is: the bottom plate 321, the two constraint plates 322 and the two cover plates 323 are integrally formed profiles. The bottom plate 321 and constraint plate 322 near the end of one end of the profile are sawed off, and the remaining convex part of the cover plate 323 forms the sealing panel 324.

[0042] The gasket separating mechanism 4 is located between the leg clamp 2 and the gasket feeding mechanism 3; the gasket separating mechanism 4 includes two parallel gasket picking components, and the output end of the gasket feeding mechanism 3 is located between the two gasket picking components. Specifically, the discharge end of the feeding track 32 extends to the space between the two gasket picking components, and the two gasket picking components take materials from the gasket feeding mechanism 3 in turn.

[0043] A material-blocking cylinder 12 is provided on the workbench 1. The material-blocking cylinder 12 is located at the discharge end of the feeding track 32. The cylinder barrel of the material-blocking cylinder 12 is fixed on the workbench 1, and the piston rod of the material-blocking cylinder 12 extends upward to block the discharge port of the feeding trough. The gasket picking assembly includes a transverse sliding assembly 41. The sliding direction of the transverse sliding assembly 41 is perpendicular to the length direction of the feeding track 32, and the sliding directions of the transverse sliding assemblies 41 of the two gasket picking assemblies are located on the same horizontal straight line.

[0044] The transverse sliding assembly 41 includes a transverse sliding seat 411, a transverse slider 412, a drive screw 414, and a sampling motor 415. The transverse sliding seat 411 is fixedly mounted on the worktable 1. The transverse slider 412 is slidably assembled with the transverse sliding seat 411. The drive screw 414 is threadedly assembled with the transverse sliding seat 411. The output shaft of the sampling motor 415 is axially and predeterminedly connected to one end of the drive screw 414. The sampling motor 415 is controlled by a PLC controller.

[0045] A transfer block 42 is provided on the transverse slider 412. The transfer block 42 is provided with a transfer groove. One end of the transfer groove is open to form a gasket adapter, which is used to connect with the outlet of the feeding trough. The other end of the transfer groove is closed to form a gasket baffle wall. A detection opening is provided on the gasket baffle wall.

[0046] A proximity switch 13 is installed on the workbench 1; see Figure 10 The proximity switch 13 is connected to the proximity detection terminal of the PLC controller; the transfer block 42 moves with the transverse sliding assembly 41, and when the transfer block 42 moves to the discharge end of the feeding track 32, the transfer trough docks with and connects to the feeding trough. At this time, the transfer block 42 is located below the two sealing panels 324, and the detection opening is close to and directly opposite the proximity switch 13.

[0047] Preferably, the pad gripping mechanism 5 includes a first sliding component 53, a second sliding component 54 and a third sliding component 55 assembled in sequence, with the sliding directions of the three components being perpendicular to each other; the sliding direction of the first sliding component 53 is consistent with the sliding direction of the horizontal sliding component 41, and the third sliding component 55 slides vertically;

[0048] The first sliding assembly 53 includes a first slide rail 531, a first slider 532, and a first lead screw motor 533; the first slide rail 531 is horizontally arranged, the first slider 532 is slidably assembled with the first slide rail 531, the cylinder of the first lead screw motor 533 is fixed at either end of the first slide rail 531, and the output shaft of the first lead screw motor 533 is threadedly assembled with the first slider 532.

[0049] The second sliding assembly 54 includes a second slide rail 541, a second slider 542, and a second lead screw motor 543; the second slide rail 541 is horizontally arranged and perpendicular to the first slide rail 531; the second slider 542 is slidably assembled with the second slide rail 541; the cylinder of the second lead screw motor 543 is fixed to either end of the second slide rail 541; and the output shaft of the second lead screw motor 543 is threadedly assembled with the second slider 542.

[0050] The third sliding assembly 55 includes a third slide rail 551, a third slider 552, and a third lead screw motor 553; the third slide rail 551 is vertically arranged, the third slider 552 is slidably assembled with the third slide rail 551, the cylinder of the third lead screw motor 553 is fixed to the upper end of the third slide rail 551, and the output shaft of the third lead screw motor 553 is threadedly assembled with the third slider 552;

[0051] Among them, relay switches are installed on the power supply lines of the first lead screw motor 533, the second lead screw motor 543, and the third lead screw motor 553, and the relay switch coils are respectively installed on the control output terminal of the PLC controller.

[0052] A material-picking bracket 51 is provided on the third slider 552. The material-picking bracket 51 extends laterally, and the extension direction of the material-picking bracket 51 is consistent with the sliding direction of the lateral sliding assembly 41. Two material-picking blocks 52 are provided on the material-picking bracket 51, and the two material-picking blocks 52 correspond one-to-one with the two gasket material-picking assemblies. The height sensor is installed along the extension direction of the material-picking blocks 52.

[0053] The feeding bracket 51 is also equipped with two tableting cylinders 56, each corresponding to one of the two feeding blocks 52. The piston rods of the tableting cylinders 56 extend downwards, and the feeding blocks 52 are connected to the piston rods of the corresponding tableting cylinders 56. A height sensor is also installed in the extending direction of the feeding block 52, and this height sensor is connected to the PLC controller. A tableting pad 57 is fixed on the lower surface of the feeding block 52. The lower surface of the tableting pad 57 has a downwardly extending pad positioning protrusion. The pad positioning protrusion is frustoconical, with its small end facing downwards. A radially outwardly protruding anti-detachment ring is provided around the pad positioning protrusion. During feeding, the pad is stuck above the anti-detachment ring. The tableting pad 57 is made of rubber. During feeding, the pad positioning protrusion is inserted into the hole of the pad and interference-fitted with it.

[0054] The control cabinet is equipped with a vacuum generator, which is connected to a clamping cylinder 25, a baffle cylinder 12, and a pressing cylinder 56 via three gas supply pipes. Electric air valves are installed on the three gas supply pipes, and the three electric air valves are connected to the PLC controller. The PLC controller is connected to the vacuum generator.

[0055] The glue application assembly 6 includes two glue dispensing pens 61, which are respectively fixed on the material picking bracket 51. The two glue dispensing pens 61 correspond one-to-one with the two material picking blocks 52, and the distance between the two glue dispensing pens 61 is equal to the distance between the two material picking blocks 52. Each glue dispensing pen 61 includes a pen tube and a pen tip. The pen tube is fixed vertically, and the lower end of the pen tube is connected to the pen tip. The upper end of the pen tube is connected to a glue storage bottle 62 through a pipe. A glue injection pump 63 is also provided on the pipe between the glue storage bottle 62 and the pen tube. A relay switch controlled by a PLC controller is provided on the power supply line of the glue injection pump 63.

[0056] Two glue-receiving cups 11 are also provided on the workbench 1, each corresponding to a glue-dispensing pen 61. The distance between the two glue-receiving cups 11 is equal to the distance between the two glue-dispensing pens 61. The glue-receiving cups 11 are used to collect the glue dripping from the corresponding glue-dispensing pen 61.

[0057] Two air nozzles are also provided on the material picking bracket 51, and the two air nozzles correspond one-to-one with the two material picking blocks 52. The air nozzles are used to accelerate the drying of the glue.

[0058] In this embodiment, an indicator light is installed above the dispensing chamber frame, and the indicator light is connected to the PLC controller; the touch screen is also equipped with a tri-color light, a power indicator light, a power switch, a lighting switch, a buzzer alarm switch, and an emergency stop button; see also Figure 10 The PLC controller is connected to a buzzer alarm; the tri-color light is connected to the PLC controller; the power indicator light is located on the power supply line; the power switch is located on the power supply line; the lighting switch is located on the lighting indicator light power supply line; the buzzer alarm switch is located on the connection line between the buzzer alarm and the PLC controller; and the emergency stop button is located on the PLC controller power supply line.

[0059] The dispensing control button is located on the edge of the workbench 1 near the operation window. The dispensing control button includes an automatic dispensing assembly control button and a manual dispensing assembly control button. Both the automatic dispensing assembly control button and the manual dispensing assembly control button are connected to the PLC controller.

[0060] The control cabinet door is provided with ventilation holes, and a fan is also installed on the control cabinet door with the fan outlet facing the ventilation holes. A fan control switch is provided on the power supply line of the fan, and the relay coil corresponding to the fan control switch is connected to the PLC controller.

[0061] The work process is as follows:

[0062] Preprocessing:

[0063] Set the upper and lower limits of the shim height for the height sensor;

[0064] Set the air pressure of the vacuum generator to 0.5 MPa;

[0065] The PLC controller initializes the system, restoring all cylinders and motors to their initial state.

[0066] The PLC controller detects that the safety door's safety lock is in the locked state;

[0067] The PLC controller controls the entire system to perform the automatic assembly steps, specifically:

[0068] Press the automatic dispensing assembly control button to start the assembly;

[0069] Step ①: Gasket preparation

[0070] A large number of gaskets are placed in the feeding tray 31. The feeding tray 31 works continuously to feed the gaskets to the feeding track 32 and keep the gaskets at the outlet position of the feeding trough. The PLC controller controls the piston rod of the blocking cylinder 12 to extend upward and block the gaskets.

[0071] The PLC controller controls the sampling motor 415 of one of the gasket picking components to rotate, driving the transfer block 42 from the sample preparation position to the discharge end of the feeding track 32, so that the transfer trough connects with the feeding trough. The piston rod of the blocking cylinder 12 retracts downward to release the restriction on the gasket, and the gasket is sent into the transfer trough. The PLC controller controls the sampling motor 415 to reverse again, driving the gasket on the transfer block 42 back to the sample preparation position. The piston rod of the blocking cylinder 12 then extends upward to block the next gasket. During this process, the proximity switch 13 detects whether a gasket has entered the transfer trough, and the PLC controller obtains the gasket transfer status.

[0072] Another gasket sampling assembly samples the gasket from another direction, following the same steps.

[0073] When the gasket gripping mechanism 5 is activated, the PLC controller controls the first lead screw motor 533, the second lead screw motor 543, and the third lead screw motor 553 to rotate simultaneously and cooperate with each other, driving the two material picking blocks 52 to move to the sample position, and the gaskets are respectively picked up by the pressing pads 57.

[0074] After the gasket gripping mechanism 5 simultaneously grips the gaskets on the two gasket picking components, the two gasket picking components then take samples alternately, waiting for the next gripping by the gasket gripping mechanism 5.

[0075] At the same time, the PLC controller controls the fan to start, achieving real-time heat dissipation.

[0076] Step 2: Tripod Preparation

[0077] After the worker places the tripod on the tripod clamp 2, the PLC controller controls the three clamping cylinders 25 to start working simultaneously, pushing the corresponding clamping components 24 to clamp the tripod. The tripod presence detection switch 27 detects whether there is a tripod on the workbench 1. By obtaining the switch status of the two locking holes to detect the position switch 28, the locking status of the placed tripod is confirmed.

[0078] Steps ① and ② above should be performed simultaneously; after both are prepared, proceed to step ③.

[0079] Step 3: Apply adhesive and press the tablet.

[0080] When the gasket gripping mechanism 5 is activated, the PLC controller controls the first lead screw motor 533, the second lead screw motor 543, and the third lead screw motor 553 to rotate simultaneously and cooperate with each other, causing the dispensing pen 61 and the material picking block 52 to perform three-dimensional motion, driving the two dispensing pens 61 to the glue application position. Figure 1 Above point A, the tip of the dispensing pen 61 contacts the glue application position on the stand. The PLC controller then controls the first lead screw motor 533 and the second lead screw motor 543 to perform two-dimensional planar motion to evenly apply glue to the glue application position. During this process, the glue pump 63 works to inject an appropriate amount of glue into the dispensing pen 61.

[0081] After the adhesive is applied, the PLC controller controls the first lead screw motor 533, the second lead screw motor 543, and the third lead screw motor 553 to rotate simultaneously and cooperate with each other, driving the material pick-up block 52 to the adhesive application position and making the pad adhere to the adhesive; at the same time, the height sensor obtains the height value of the pad in real time for height monitoring.

[0082] The PLC controller controls the start of the tablet pressing cylinder 56, and its piston rod moves down to push the material taking block 52 to press the pad tightly and stick it firmly.

[0083] The PLC controller controls the first lead screw motor 533, the second lead screw motor 543, and the third lead screw motor 553 to rotate simultaneously and cooperate with each other, driving the material grabbing block 52 to perform the next grabbing operation;

[0084] The PLC controller controls the three clamping cylinders 25 to work in reverse, pushing the corresponding clamping components 24 to release the tripod. At the same time, it acquires the on / off status of the two lock hole detection position switches 28 to confirm that the tripod has been released. The worker then removes the tripod and proceeds to the next operation.

[0085] The manual assembly process involves pressing the manual dispensing control button to perform the above steps one by one. Quick-drying adhesive is used to expedite the process.

[0086] Beneficial effects: The solution of this invention integrates glue application and gasket assembly, and has the advantages of stable glue application amount, good glue application uniformity, and automatic gasket assembly.

[0087] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention. Those skilled in the art, under the guidance of the present invention, can make various similar representations without departing from the spirit and claims of the present invention, and such modifications all fall within the protection scope of the present invention.

Claims

1. A control system for dispensing and assembling seat leg pads, characterized in that: The system includes a workbench (1), with a dispensing chamber frame installed on the upper edge of the workbench (1). The dispensing chamber frame is surrounded by at least three safety doors to form a dispensing chamber. The dispensing chamber has an operating window. The stand clamp (2), gasket feeding mechanism (3), gasket separating mechanism (4), gasket gripping mechanism (5), and glue application assembly (6) are all installed in the dispensing chamber to realize the dispensing assembly of the stand gasket. The safety door is equipped with a safety lock, and the dispensing chamber frame is also connected to a touch screen mounting bracket, on which the touch screen and dispensing control buttons are connected. Below the workbench (1) is a control cabinet, which is equipped with a PLC controller. The PLC controller is connected to the foot clamp (2), the gasket feeding mechanism (3), the gasket separating mechanism (4), the gasket gripping mechanism (5), the glue application assembly (6), the safety lock, the touch screen, and the glue dispensing control button. The tripod clamp (2) is used to hold the tripod; The adhesive application assembly (6) is used to apply adhesive to the tripod; The gasket feeding mechanism (3) is used to deliver gaskets to the gasket taking mechanism (4). The gasket dispensing mechanism (4) is used to distribute gaskets to the dispensing position; The gasket gripping mechanism (5) is used to grip the gasket at the material picking position and place it on the stand; The gasket separating mechanism (4) is located between the leg clamp (2) and the gasket feeding mechanism (3); The gasket taking mechanism (4) includes two gasket taking components. The output end of the gasket feeding mechanism (3) is located between the two gasket taking components. The two gasket taking components take materials from the gasket feeding mechanism (3) in turn. The gasket gripping mechanism (5) includes a material picking bracket (51), on which two material picking blocks (52) are provided, and the two material picking blocks (52) correspond one-to-one with the two gasket picking components; The glue application assembly (6) includes two glue dispensing pens (61). Each glue dispensing pen (61) includes a pen tube and a pen tip. The pen tube is fixed vertically. The lower end of the pen tube is connected to the pen tip. The upper end of the pen tube is connected to a glue storage bottle (62) through a pipe. A glue injection pump (63) is also provided on the pipe between the glue storage bottle (62) and the pen tube. A glue injection pump relay switch is provided on the power supply line of the glue injection pump (63). The coil of the glue injection pump relay switch is connected to the PLC controller. The tripod clamp (2) includes a clamp base plate (21), the upper surface of which is provided with a tripod positioning post (22), a tripod support platform (23), a clamping assembly (24), a clamping cylinder (25), a tripod presence / absence detection switch (27), and at least two lock hole detection positioning switches (28). The clamping cylinder (25) acts on the clamping assembly (24). The tripod has a detection switch (27) for contacting the tripod to detect the tripod's placement status; The lock hole detection positioning switch (28) is used to detect the fixed state of the tripod fixed to the tripod clamp (2); The presence or absence detection switch (27) of the bracket and the lock hole detection position switch (28) are both connected to the PLC controller; The gasket feeding mechanism (3) includes a feeding tray (31) and a feeding track (32). The feeding end of the feeding track (32) is connected to the discharge port of the feeding tray (31), and the discharge end of the feeding track (32) extends between the two gasket picking components. The feeding track (32) is provided with a feeding groove. The gasket picking component includes a transverse sliding component (41). The sliding direction of the transverse sliding component (41) is perpendicular to the length direction of the feeding track (32). The sliding directions of the transverse sliding components (41) of the two gasket picking components are located on the same horizontal straight line. The component (41) is provided with a transfer block (42), the transfer block (42) is provided with a transfer groove, the transfer block (42) moves with the transverse sliding component (41), when the transfer block (42) moves to the discharge end of the feeding track (32), the transfer groove connects and communicates with the feeding groove; the workbench (1) is provided with a baffle cylinder (12), the baffle cylinder (12) is located at the discharge end of the feeding track (32), the cylinder of the baffle cylinder (12) is fixed on the workbench (1), and the piston rod of the baffle cylinder (12) extends upward to block the discharge port of the feeding groove; The feeding track (32) includes a strip-shaped base plate (321), two constraint plates (322), and two cover plates (323). The base plate (321) is horizontally arranged. The two opposite sides of the base plate (321) are respectively connected to the upwardly extending constraint plates (322). The upper edges of the vertical constraint plates (322) are respectively connected to the inwardly extending cover plates (323). The cover plates (323) are horizontally arranged. The base plate (321), the two constraint plates (322), and the two cover plates (323) form the feeding trough. The discharge end of the feeding track (32) is connected to two sealing panels (324). The sealing panels (324) are horizontally arranged. (324) corresponds one-to-one with the two cover plates (323), and the sealing panel (324) is connected to the free end of the corresponding cover plate (323); one end of the transfer groove is open to form a gasket adapter, which is used to connect with the outlet of the feeding groove; the other end of the transfer groove is closed to form a gasket baffle, and a detection opening is provided on the gasket baffle; a proximity switch (13) is installed on the workbench (1); the proximity switch (13) is connected to the proximity detection end of the PLC controller; when the transfer groove is connected and connected with the feeding groove, the transfer block (42) is located under the two sealing panels (324), and the detection opening is close to and directly opposite the proximity switch (13). The transverse sliding assembly (41) includes a transverse sliding seat (411), a transverse slider (412), a drive screw (414), and a sampling motor (415). The transverse sliding seat (411) is mounted on the worktable (1). The transverse slider (412) is slidably assembled with the transverse sliding seat (411). The drive screw (414) is threadedly assembled with the transverse sliding seat (411). The output shaft of the sampling motor (415) is connected to one end of the drive screw (414). The power supply line of the sampling motor (415) is equipped with a sampling motor control relay switch, and the coil of the sampling motor control relay switch is connected to the PLC controller. The gasket gripping mechanism (5) further includes a first sliding component (53), a second sliding component (54), and a third sliding component (55) assembled in sequence, with the sliding directions of the three being perpendicular to each other; the sliding direction of the first sliding component (53) is consistent with the sliding direction of the transverse sliding component (41), the third sliding component (55) slides vertically, and the material picking bracket (51) is installed on the sliding part of the third sliding component (55); The first sliding component (53) is driven by a first lead screw motor, the second sliding component (54) is driven by a second lead screw motor, and the third sliding component (55) is driven by a third lead screw motor. A lead screw motor drive relay switch is provided on the power supply lines of the first lead screw motor, the second lead screw motor, and the third lead screw motor. The coil of the lead screw motor drive relay is connected to the PLC controller. The feeding bracket (51) is equipped with two tableting cylinders (56), and the two tableting cylinders (56) correspond one-to-one with the two feeding blocks (52). The piston rod of the tableting cylinder (56) extends downward, and the feeding block (52) is connected to the piston rod of the corresponding tableting cylinder (56). A height sensor is also installed in the extension direction of the feeding block (52), and the height sensor is connected to the PLC controller. The lower surface of the material taking block (52) is fixed with a pressure pad (57). The lower surface of the pressure pad (57) is provided with a downwardly extending pad positioning protrusion. The pad positioning protrusion is frustoconical in shape, with the small end face of the pad positioning protrusion facing downward. A radially protruding anti-detachment ring is provided outside the pad positioning protrusion. When taking material, the pad is stuck above the anti-detachment ring. The material of the pressure pad (57) is rubber. Two air nozzles are also provided on the material picker (51), and the two air nozzles correspond one-to-one with the two material picker blocks (52).

2. The control system for dispensing and assembling seat leg pads according to claim 1, characterized in that: The control cabinet is equipped with a vacuum generator. The vacuum generator is connected to the clamping cylinder (25), the baffle cylinder (12), and the tablet pressing cylinder (56) via three gas supply pipes. Electric air valves are installed on the three gas supply pipes. The three electric air valves are connected to the PLC controller. The PLC controller is connected to the vacuum generator.

3. The control system for dispensing and assembling seat leg pads according to claim 1, characterized in that: An indicator light is installed above the dispensing chamber frame, and the indicator light is connected to the PLC controller. The touch screen is also equipped with a tri-color light, a power indicator light, a power switch, a lighting switch, a buzzer alarm switch, and an emergency stop button; the PLC controller is connected to a buzzer alarm. The tri-color lamp is connected to the PLC controller; The power indicator light is located on the power supply line; The power switch is installed on the power supply line; The lighting switch is equipped with a power supply line for the lighting indicator light; The buzzer alarm switch is installed on the connection line between the buzzer alarm and the PLC controller. The emergency stop button is located on the power supply line of the PLC controller.

4. The control system for dispensing and assembling seat leg pads according to claim 1, characterized in that: The dispensing control button is located on the edge of the workbench (1) near the operation window. The dispensing control button includes at least an automatic dispensing assembly control button and a manual dispensing assembly control button. Both the automatic dispensing assembly control button and the manual dispensing assembly control button are connected to the PLC controller.

5. The control system for dispensing and assembling seat leg pads according to claim 1, characterized in that: The control cabinet door is provided with ventilation holes, and a fan is also installed on the control cabinet door with the fan outlet facing the ventilation holes. A fan control switch is provided on the power supply line of the fan, and the relay coil corresponding to the fan control switch is connected to the PLC controller.

Images