Automatic cabinet door assembly line

Abstract

The utility model discloses an automatic assembly line for cabinet doors. The automatic assembly line comprises a door head conveying mechanism, a core plate conveying mechanism, a door stile gluing mechanism, a nailing mechanism and a belt conveyor which are sequentially arranged on a machine frame beside a main conveying belt. The two groups of nailing mechanisms are arranged in parallel, and the main conveying belt behind the door stile gluing mechanism is provided with a flow dividing machine used for conveying glued cabinet doors to the corresponding nailing mechanisms; a converging machine for conveying the nailed cabinet door to the belt conveyor is arranged on the main conveying belt at the front end of the belt conveyor; an operation cabinet, an air pressure control cabinet and a nailing machine operation cabinet are arranged beside the main conveying belt. According to the cabinet door assembling machine, automatic cabinet door production is achieved, the labor intensity of operators is reduced, the cabinet door assembling efficiency is improved, and the cabinet door assembling effect is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of cabinet door manufacturing technology, and more specifically to an automatic cabinet door assembly line. Background Technology

[0002] Cabinet doors are installed on cabinets and are usually assembled from multiple panels. During assembly, adhesive is applied to the joint surfaces of the panels, and then the panels are joined together. Because cabinet doors are opened and closed frequently, nails are usually driven into the joints to ensure strength. However, most current cabinet door assembly relies on manual labor, which is labor-intensive, inefficient, and cannot guarantee the strength of the joints, thus compromising the final product. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide an automatic cabinet door assembly line that can automatically assemble cabinet doors, improve the efficiency of cabinet door assembly, and ensure the effect of cabinet door assembly.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows.

[0005] An automatic cabinet door assembly line includes a door head conveying mechanism, a core board conveying mechanism, a door stile gluing mechanism, a nailing mechanism, and a belt conveyor, which are sequentially arranged on a frame beside a main conveyor belt. The nailing mechanisms are arranged in two parallel groups. A diverter is provided on the main conveyor belt behind the door stile gluing mechanism to convey the glued cabinet doors to the corresponding nailing mechanisms. A merging mechanism is provided on the main conveyor belt at the front end of the belt conveyor to convey the nailed cabinet doors onto the belt conveyor. An operating cabinet, a pneumatic control cabinet, and a nailing machine operating cabinet are arranged beside the main conveyor belt. The door head conveying mechanism, the core board conveying mechanism, and the door stile gluing mechanism are electrically connected to the operating cabinet, and the nailing mechanism is electrically connected to the nailing machine operating cabinet.

[0006] To further optimize the technical solution, the door-head conveying mechanism includes a door-head bracket mounted on a frame next to the main conveyor belt. The door-head bracket has two door-head fixing brackets for placing the door-head. A door-head pushing mechanism is mounted on the door-head bracket below the door-head for pushing the bottom door-head between the door-head fixing brackets. A conveyor belt for conveying and pushing out the door-head is mounted behind the door-head pushing mechanism. A door-head translation slide rail extending to the main conveyor belt is mounted above the end of the conveyor belt. A door-head translation mechanism for moving the pushed-out door-head onto the main conveyor belt is mounted on the door-head translation slide rail. A door-head translation motor for driving the door-head translation slider is mounted on the side end of the door-head translation slide rail. The door-head pushing mechanism, door-head translation mechanism, and door-head translation motor are all electrically connected to the control cabinet.

[0007] To further optimize the technical solution, the core board conveying mechanism includes two core board fixing frames mounted on the side frame of the main conveyor belt for placing core boards. A gantry frame is mounted above the main conveyor belt, and a core board translation plate is slidably mounted on the inner side of the gantry frame. A core board gripping mechanism for gripping the top core board on the core board fixing frame is mounted on the core board translation plate. A rack extending to the main conveyor belt is mounted on the inner side of the gantry frame, and a core board translation motor is mounted on the core board translation plate. A gear meshing with the rack is mounted on the core board translation motor. The core board gripping mechanism and the core board translation motor are electrically connected to the control cabinet.

[0008] To further optimize the technical solution, the door stile gluing mechanism includes a door stile conveyor belt mounted on frames on both sides of the main conveyor belt for conveying door stiles. A door stile conveyor motor is mounted on the side end of the door stile conveyor belt to drive its rotation. A glue spraying beam is mounted above the front end of the door stile conveyor belt via a bracket. A dual glue spraying assembly for applying glue to the door stile is mounted on the glue spraying beam via a synchronous belt module. A glue spraying translation motor is mounted at the end of the glue spraying beam. Below the end of the door stile conveyor belt, a mechanism is provided to transport the glued door stile to the door. The pusher assembly at the head and core board has a positioning component at its front end for positioning the cabinet door; the frame is equipped with an AB glue machine for supplying AB glue to the dual-spray glue assembly, and a glass glue machine for supplying glass glue to the dual-spray glue assembly is located on the side of the frame. The AB glue machine and the glass glue machine are connected to the dual-spray glue assembly via glue pipes; a pre-assembly control cabinet is located on the side of the frame, and the door stile conveyor motor and the glue spraying translation motor are electrically connected to the pre-assembly control cabinet, which is electrically connected to the operation cabinet.

[0009] To further optimize the technical solution, the dual glue spraying assembly includes a slider that moves left and right along the glue spraying beam. A dual glue head seat is provided on the slider. The dual glue head seat is provided with an AB glue supply unit connected to an AB glue machine via a glue tube for applying AB glue to the door stile and a glass glue supply unit connected to a glass glue machine via a glue tube for applying glass glue to the door stile. A glue spraying lifting motor is provided on the slider for driving the dual glue head seat to move up and down.

[0010] To further optimize the technical solution, the push plate assembly includes a pull rod located in front of the end of the stile conveyor belt. The upper end of the pull rod is provided with a pull rod suction cup facing the side of the stile conveyor belt, and the lower end of the pull rod is hinged to the frame below the stile conveyor belt. A pull rod cylinder is provided below the stile conveyor belt, and the end of the pull rod telescopic rod is hinged to the bottom end of the pull rod.

[0011] To further optimize the technical solution, the positioning component includes lifting support plates mounted on the frames on both sides of the main conveyor belt. Support blocks for supporting cabinet doors are mounted on the left and right sides of the lifting support plates. Push plates for pushing the door stiles to the door head and core board are mounted on the outer side of the support blocks. Push plate cylinders for pushing the push plates forward are mounted on the lifting support plates on the outer side of the push plates. Pressure blocks are mounted on the frame above the support blocks. Pressure block lifting cylinders for pushing the pressure blocks up and down are mounted on the frame. Support lifting cylinders for driving the lifting support plates up and down are mounted on the frame.

[0012] To further optimize the technical solution, the diversion machine includes a main diversion conveyor roller located behind the assembly unit and in front of the nailing mechanism. A diversion conveyor roller parallel to the main diversion conveyor roller is mounted on a frame beside the main diversion conveyor roller. A diversion conveyor belt for transporting cabinet doors from the main diversion conveyor roller to the diversion conveyor roller is positioned between the main diversion conveyor roller and the diversion conveyor roller. A main conveyor motor is mounted on a frame below the main diversion conveyor roller, and a diversion conveyor motor is mounted on a frame below the diversion conveyor roller. The diversion conveyor belt is mounted on the frame via a diversion conveyor bracket. Several diversion conveyor belt lifting mechanisms for driving the diversion conveyor belt up and down are mounted on the frame. A diversion light sensor for collecting cabinet door position information is located at the rear end of the main diversion conveyor roller. A diversion control box for controlling the diversion of cabinet doors is located beside the frame. The main conveyor motor, diversion conveyor motor, diversion conveyor belt lifting mechanism, and diversion light sensor are electrically connected to the diversion control box, which is electrically connected to the control cabinet.

[0013] To further optimize the technical solution, the nailing mechanism includes nailing support frames on both sides of the frame, with nailing mechanisms for nailing the joints of cabinet doors on both sides of the support frames. Several nailing support seats for supporting the cabinet doors are installed on the frame inside the nailing support frames. Bidirectional motors are installed in the nailing support seats at both ends, and bidirectional screws extending from the motor shafts of the bidirectional motors to the nailing support frames are installed. The nailing support frames on both sides are respectively fitted onto the corresponding bidirectional screws. The nailing support frames are equipped with bidirectional screws, and nailing mechanisms are respectively fitted onto both sides of the bidirectional screws. A nailing translation motor for driving the bidirectional screws to rotate is installed on the nailing support frames. A nailing machine control cabinet for controlling the nailing operation is installed beside the nailing machine, and the bidirectional motors, nailing translation motors, and nailing mechanisms are electrically connected to the nailing machine control cabinet.

[0014] To further optimize the technical solution, the merging machine includes a merging main conveyor roller and a merging conveyor roller respectively located behind the nailing mechanism. The merging main conveyor roller and the merging conveyor roller are arranged in parallel, with the merging main conveyor roller corresponding to the belt conveyor behind it. A merging conveyor belt for transporting cabinet doors on the merging main conveyor roller to the merging main conveyor roller is arranged between the merging main conveyor roller and the merging conveyor roller. A merging main conveyor motor is arranged on the frame below the merging main conveyor roller, and a merging conveyor motor is arranged on the frame below the merging conveyor roller. The merging conveyor belt is mounted on the frame via a merging conveyor bracket. Several merging conveyor belt lifting mechanisms for driving the merging conveyor belt to rise and fall are arranged on the frame. A merging optical sensor for collecting cabinet door position information is arranged at the rear end of the merging conveyor roller. A merging controller for controlling the merging of cabinet doors is arranged on the frame. The output terminals of the merging main conveyor motor, the merging conveyor motor, the merging conveyor belt lifting mechanisms, and the merging optical sensor are electrically connected to the merging controller. The merging controller is electrically connected to the operating cabinet.

[0015] The technological advancements achieved by this utility model are as follows, due to the adoption of the above technical solutions.

[0016] This utility model provides an automatic cabinet door assembly line that can automatically transport various cabinet door components, automatically apply glue to the door stiles before assembling them, and nail them at the edges after assembly. This achieves automatic production of cabinet doors, reduces the labor intensity of operators, improves the efficiency of cabinet door assembly, and ensures the quality of cabinet door assembly. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the gate conveyor mechanism of this utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the door head translation mechanism of this utility model;

[0020] Figure 4 This is a schematic diagram of the core board conveying mechanism of this utility model;

[0021] Figure 5 This is a schematic diagram of the core board fixing frame of this utility model;

[0022] Figure 6 This is a schematic diagram of the suction cup in the core board conveying mechanism of this utility model;

[0023] Figure 7 This is a schematic diagram of the adhesive coating mechanism for the door stile of this utility model;

[0024] Figure 8This is a three-dimensional structural diagram of one side of the door stile gluing mechanism of this utility model;

[0025] Figure 9 This is a schematic diagram of the push plate mechanism in the door stile adhesive application mechanism of this utility model;

[0026] Figure 10 This is a schematic diagram of the dual-spray adhesive assembly in the door stile adhesive application mechanism of this utility model;

[0027] Figure 11 This is a schematic diagram of the positioning component of this utility model;

[0028] Figure 12 A schematic diagram of the positioning component of this utility model without the cabinet door.

[0029] Figure 13 This is a side view of the positioning component of this utility model;

[0030] Figure 14 This is a schematic diagram of the structure of the separator of this utility model;

[0031] Figure 15 This is a schematic diagram of the lifting mechanism of the diverting conveyor belt in the diverting machine of this utility model;

[0032] Figure 16 This is a schematic diagram of the nailing mechanism of this utility model;

[0033] Figure 17 This is a schematic diagram of the nail feeding mechanism in the nailing mechanism of this utility model;

[0034] Figure 18 This is a schematic diagram of the back structure of the nail feeding mechanism in the nailing mechanism of this utility model;

[0035] Figure 19 This is a schematic diagram of the structure of the merging machine of this utility model;

[0036] Figure 20 This is a schematic diagram of the merging conveyor belt lifting mechanism in the merging machine of this utility model.

[0037] The components are: 1. Main conveyor belt, 2. Control cabinet, 3. Pneumatic control cabinet, 4. Nail machine control cabinet, 5. Frame, 6. Door head, 7. Core board, 8. Diverting main conveyor roller, 9. Merging main conveyor roller;

[0038] 100. Doorway conveying mechanism; 101. Doorway bracket; 102. Doorway fixing plate; 103. Doorway fixing bracket; 104. Doorway push plate bracket; 105. Doorway push plate cylinder; 106. Doorway push plate; 107. Doorway first adjusting handle; 108. Doorway second adjusting handle; 109. Doorway sliding rail; 110. Doorway sliding slider; 111. Doorway suction cup; 112. Doorway suction cup cylinder; 113. Suction cup connecting rod;

[0039] 200. Core board conveying mechanism; 201. Core board fixing frame; 202. Gantry frame; 203. Rack; 204. Core board translation plate; 205. Core board translation motor; 206. Core board translation slide rail; 207. Core board suction cup cylinder; 208. Core board lifting plate; 209. Core board suction cup; 210. Core board fixing frame ear plate; 211. Ear plate mounting hole; 212. Positioning block; 213. Elastic pressure rod; 214. Photoelectric sensor;

[0040] 300. Door stile glue application mechanism; 301. Glue spraying beam; 302. Door stile; 303. Door stile conveyor motor; 304. Door stile conveyor belt; 305. Dual glue spraying assembly; 306. Glue spraying translation motor; 307. Glue spraying lifting motor; 308. AB glue head; 309. Glass glue head; 310. Support plate cylinder; 311. Pull rod cylinder; 312. Pull rod; 313. Pull rod suction cup; 3 14. Push plate cylinder; 315. Push plate; 316. Support plate; 317. Double glue head seat; 318. Single liquid dispensing valve; 319. Mixing tube seat; 320. AB glue hose; 321. Double rod cylinder; 322. Glass glue hose; 323. Mounting bolt; 324. Lifting support plate; 325. Support block; 326. Support lifting cylinder; 327. Pressing block lifting cylinder; 328. Pressing block;

[0041] 400. Diverter; 401. Diverter conveyor roller; 402. Diverter conveyor belt; 403. Diverter conveyor belt lifting bracket; 404. Diverter conveyor motor; 405. Diverter limit plate bracket; 406. Diverter fixed limit plate; 407. Diverter movable limit plate; 408. Diverter movable limit plate bracket; 409. Diverter movable limit plate lifting cylinder; 410. Diverter conveyor bracket; 411. L-shaped support plate; 412. Diverter conveyor lifting cylinder; 413. Diverter light sensor; 414. Diverter control box;

[0042] 500. Nail-driving mechanism

[0043] 600. Merging machine; 601. Merging conveyor roller; 602. Merging conveyor motor; 603. Merging conveyor belt; 604. Merging conveyor bracket; 605. Merging conveyor lifting bracket; 606. Merging limit plate; 607. Merging light sensor; 608. Merging lifting cylinder support plate; 609. Merging conveyor lifting cylinder;

[0044] 700. Belt conveyor, 800. Glass glue machine, 900. AB glue machine. Detailed Implementation

[0045] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0046] An automated cabinet door assembly line, combined with Figure 1 As shown, the system includes a main conveyor belt 1. Alongside the main conveyor belt 1 are sequentially arranged a door head conveyor mechanism 100, a core board conveyor mechanism 200, a door stile conveyor mechanism 300, a distributor 400, a nailing mechanism 500, a merging machine 600, and a belt conveyor 700. Alongside the main conveyor belt 1 are an operation cabinet 2, a pneumatic control cabinet 3, and a nailing machine operation cabinet 4. The door head conveyor mechanism, core board conveyor mechanism, and door stile gluing mechanism are electrically connected to the operation cabinets. The nailing mechanism is electrically connected to the nailing machine operation cabinet. The pneumatic control cabinet is connected to an air tank and to each mechanism via air pipes.

[0047] The gate conveyor mechanism 100 is arranged in two staggered groups, respectively located on both sides of the main conveyor belt 1, and is used to transport two gates respectively. The structural diagram of the gate conveyor mechanism is shown below. Figure 2 and Figure 3 As shown, the device includes a door frame bracket 101, on which two door frame fixing brackets 103 are mounted. The door frame 6 is placed between the two door frame fixing brackets 103. A door frame pushing mechanism is mounted on the door frame bracket 101 below the door frame 6 to push the door frame at the bottom between the door frame fixing brackets. A conveyor belt is mounted behind the door frame pushing mechanism to convey the pushed-out door frame. A door frame sliding rail 109 is mounted above the end of the conveyor belt. A door frame sliding mechanism is mounted on the door frame sliding rail 109. A door frame sliding motor is mounted on the side of the door frame sliding rail 109 to drive the door frame sliding slider to move. The door frame pushing mechanism, the door frame sliding mechanism, and the door frame sliding motor are electrically connected to the control cabinet.

[0048] Two door head fixing plates 102 are mounted on the door head bracket 101 via sliders. Two door head fixing brackets 103 are respectively mounted on the two door head fixing plates 102. A bidirectional screw rod is horizontally mounted on the door head bracket 101. The two door head fixing plates 102 are respectively sleeved on both ends of the bidirectional screw rod. A second door head adjustment handle 108 is provided at the end of the bidirectional screw rod to adjust the distance between the two door head fixing brackets 103 to accommodate the conveying of door heads of different lengths.

[0049] The doorway pushing mechanism includes a doorway push plate bracket 104 mounted on a doorway support 101, a doorway push plate 106 mounted on the doorway push plate bracket 104, and a doorway push plate cylinder 105 mounted on the doorway push plate bracket 104 to drive the doorway push plate to move. The doorway push plate cylinder is connected to the pneumatic control cabinet through an air pipe. The doorway push plate cylinder pushes the doorway push plate bracket forward, which in turn drives the doorway push plate forward to push the bottom doorway. When the doorway push plate moves to the end of the doorway, the doorway is conveyed forward by the rear conveyor belt. When the doorway push plate retracts and can no longer support the doorway, the doorway moves down, waiting for the next push.

[0050] The doorway translation mechanism includes a doorway translation slider 110 slidably mounted on a doorway translation rail 109. A doorway suction cup cylinder 112 is mounted on the doorway translation slider 110. A doorway suction cup 111 is mounted on the end of the extension rod of the doorway suction cup cylinder via a suction cup connecting rod 113. The doorway suction cup cylinder is connected to the pneumatic control cabinet via an air pipe. The doorway translation slider and the doorway translation motor are connected by a belt. The doorway translation motor drives the doorway translation slider to move along the doorway translation rail via the belt. When the doorway moves to the end of the conveyor belt, the doorway suction cup cylinder pushes the suction cup downward to stick to the doorway. After the suction cup holds the doorway, the doorway translation motor drives the doorway translation slider to move on the doorway translation rail. When it moves above the main conveyor belt, the suction cup releases the doorway and places the doorway on the main conveyor belt for conveying.

[0051] The door frame bracket 101 is mounted on the slide rail on the frame 5 via a slider. The frame 5 is provided with a lead screw that passes through the door frame bracket 101. The end of the lead screw is provided with a first door frame adjustment handle 107, which is used to adjust the position of the door frame bracket to accommodate door frames of different widths.

[0052] During the conveying of the door head, the door head is first positioned according to its size and the location of the door head bracket and the door head fixed bracket. Then, the door head is stacked between the two door head fixed brackets. Next, the door head push plate cylinder is activated to push the push plate forward, pushing the bottom door head between the door head fixed brackets forward and onto the conveyor belt for conveying. When it reaches the end, the door head suction cup cylinder pushes the suction cup downward to hold the door head. The door head translation slider then moves the door head towards the main conveyor belt. When it moves above the main conveyor belt, the suction cup releases the door head, placing it on the main conveyor belt for downward conveying. During the conveying of the door head, the door head push plate cylinder drives the push plate to retract. When the push plate detaches from the door head, the door head moves downward. The door head push plate cylinder pushes the push plate forward to continue pushing the bottom door head for the next conveying. The door head conveying mechanisms, which are staggered on both sides of the main conveyor belt, place the door heads on the main conveyor belt respectively. There is a certain distance between the two door heads to hold the core board conveyed by the core board conveying mechanism.

[0053] The structure of the core board conveying mechanism 200 is as follows: Figure 4 and Figure 6 As shown, it includes two core board fixing frames 201 set on the side frame of the main conveyor belt 1 for placing core boards 7. A gantry frame 202 is set above the main conveyor belt 1. A core board translation plate 204 is slidably set on the inner side of the gantry frame 202. A core board gripping mechanism is set on the core board translation plate 204 for gripping the core board at the top of the core board fixing frame 201. The core board gripping mechanism and the core board translation motor are electrically connected to the control cabinet.

[0054] The core board gripping mechanism includes a core board suction cup bracket 207 mounted on the chip translation plate 204, a core board lifting plate 208 mounted on the core board suction cup bracket 207 via a rack, a core board suction cup 209 mounted below the core board lifting plate 208, a servo motor mounted on the core board suction cup bracket to drive the core board lifting plate to move up and down via the rack, and the core board suction cup is connected to an air source.

[0055] The suction cups are corrugated suction cups, with a positioning block 212 between the two suction cups. An elastic pressure rod 213 is set on the core board lifting plate 208. The core board is suctioned with a small suction force at one end and then suctioned at the other end through the cooperation of the corrugated suction cups, the positioning block in the middle of the suction cups, and the elastic pressure rod, so that the two core boards are gradually separated. This achieves the separation and suction of the core board with micro-permeability, avoiding the suction of two or more core boards.

[0056] When picking up the core board, the servo motor on the core board suction cup bracket pushes the core board lifting plate downward. When the core board suction cup contacts the core board surface, the core board suction cup holds the core board, and the servo motor drives the suction cup lifting plate to move upward. When it moves above the core board fixing plate, it moves above the main conveyor belt through the suction cup translation plate.

[0057] A photoelectric sensor 214 and an elastic pressure bar 213 are installed in the middle of the core board lifting plate 208. The photoelectric sensor and the elastic pressure bar work together to detect board drop and prevent board drop due to insecure adhesion, which would disrupt the production rhythm.

[0058] A rack 203 extending to the main conveyor belt 1 is provided on the inner side of the gantry frame 202. A core board translation motor 205 is provided on the core board translation plate 204, and a gear meshing with the rack 203 is provided on the core board translation motor. A slide rail parallel to the main conveyor belt 1 is provided on the frame below the core board fixing frame 201, and the core board fixing frame 201 is slidably mounted on the slide rail. When the core board translation motor drives the gear to rotate, the gear meshes with the rack, realizing the movement of the core board translation plate along the slide rail on the gantry frame, thereby realizing the conveying of the core board.

[0059] The inner side of the gantry frame 202 is provided with a core plate translation slide rail 206 parallel to the rack. The core plate translation plate 204 is slidably mounted on the core plate translation slide rail 206. The core plate translation motor drives the core plate translation plate to move along the core plate translation slide rail.

[0060] The core board fixing bracket 201 is mounted on the slide rail via the outer core board fixing bracket ear plate 210. The slide rail has several ear plate mounting holes, and the core board fixing bracket ear plate 210 has ear plate mounting holes 211, which are used to adjust the position of the core board fixing bracket to accommodate the fixing of core boards of different lengths.

[0061] Once the core board is in place, the system can determine whether two or more boards have been picked up by defining an appropriate release height, controlling the position of the servo motor, and checking whether the photoelectric sensor can still detect the core board signal after release. This further ensures that the possibility of accidentally picking up two or more boards is avoided, thus ensuring stable operation of the equipment.

[0062] When conveying core boards to the main conveyor belt, the position of the core board fixing frame is first adjusted according to the size of the core board. Then, the core boards are stacked between the core board fixing frames. The servo motor drives the rack and pinion to drive the core board lifting plate to move the suction cup downward. After the suction cup picks up the core board, the servo motor drives the core board to move upward. When it moves above the core board fixing frame, the core board translation motor drives the core board translation plate to move along the slide rail on the gantry towards the main conveyor belt. When it moves above the main conveyor belt, the servo motor drives the core board to move downward. When the core board moves onto the main conveyor belt, the suction cup releases the core board and picks up and conveys the next core board.

[0063] This application also allows for alternating feeding of materials at the left and right workstations. The equipment does not need to stop during the core board feeding process. After the core board feeding is completed, it is confirmed by the control button. After the core board at the left workstation is used up, the suction cup automatically moves to the right workstation for feeding. At this time, the core board at the left workstation can be fed.

[0064] After the core board is placed, the door stile adhesive applicator 300 applies adhesive to both sides of the door stile. The structure of the door stile adhesive applicator is as follows: Figures 7 to 10 As shown, the door stile adhesive application mechanism includes a door stile conveyor belt 304, which is positioned on both sides of the main conveyor belt 1 to transport door stiles 302. The door stile conveyor belt is perpendicular to the main conveyor belt. A door stile conveyor motor 303 is installed at the side end of the door stile conveyor belt 304 to drive the door stile conveyor belt to rotate and transport the door stile forward. A glue spraying beam 301 is installed above the front end of the door stile conveyor belt 304. A dual glue spraying assembly 305 is installed on the glue spraying beam via a synchronous belt module. A glue spraying translation motor 306 is installed on the glue spraying beam to drive the dual glue spraying assembly to move left and right along the glue spraying beam. A pre-assembly control cabinet is installed beside the frame 5. The door stile conveyor motor and the glue spraying translation motor are electrically connected to the pre-assembly control cabinet, which is electrically connected to the operating cabinet.

[0065] The frame 5 is equipped with an AB glue machine 900 and a glass glue machine 800. The AB glue machine is used to provide AB glue to the dual-spray glue assembly, and the glass glue machine 800 is used to provide glass glue to the dual-spray glue assembly. The AB glue machine 900 and the glass glue machine 800 are respectively connected to the dual-spray glue assembly through glue tubes.

[0066] The dual glue spraying assembly 305 includes a slider that moves left and right along the glue spraying beam. A dual glue head seat 317 is provided on the slider. The dual glue head seat 317 is provided with an AB glue supply unit connected to the AB glue machine 900 via a glue tube for applying AB glue to the door stile, and a glass glue supply unit connected to the glass glue machine 800 via a glue tube for applying glass glue to the door stile. A glue spraying lifting motor 307 is provided on the slider to drive the dual glue head seat to move up and down. The glue spraying lifting motor is electrically connected to the pre-assembled control cabinet.

[0067] The AB glue supply unit includes two single-liquid dispensing valves 318 mounted on a dual glue head base 317. The single-liquid dispensing valves 318 are connected to the AB glue machine 900 via glue tubes. The bottom ends of the two single-liquid dispensing valves 318 are connected to AB glue tubes 320 via mixing tubes in a mixing tube base 319 for mixing AB glue. The bottom end of the AB glue tube 320 is equipped with an AB glue head 308 for applying glue to the edge of the door stile. The single-liquid dispensing valves are electrically connected to the pre-assembled control cabinet.

[0068] AB hose is a plastic hybrid hose with a steel sleeve, which improves the pressure resistance and enables high-pressure mixing and spraying of adhesive while maintaining low-cost consumables.

[0069] The AB glue head has an irregular shape, which is the same as the groove structure of the door stile. The AB glue head has multiple small glue spray holes, which enables precise glue application to the groove of the door stile.

[0070] The AB glue head 308 is installed at the bottom of the AB glue tube by mounting bolt 323. The appropriate AB glue head can be replaced according to different door stiles, realizing the glue application operation for different door stiles. At the same time, after replacing the AB glue head, the replaced AB glue head can be cleaned, realizing the rotation of AB glue heads and reducing equipment downtime.

[0071] The adhesive in the AB glue machine is conveyed through a glue tube to two single-liquid dispensing valves. The adhesive in the two single-liquid dispensing valves enters the AB glue tube through the mixing tube in the mixing tube seat for mixing. The mixed adhesive enters the glue application area of ​​the door stile through the AB glue head at the bottom for glue application, realizing the automatic conveying of two-component adhesive.

[0072] The glass glue supply unit includes a glass glue tube 322 mounted on a double glue head holder 317. The glass glue tube is connected to the glass glue machine 800 via a glue tube. A glass glue head 309 is mounted at the bottom of the glass glue tube 322 for applying glue to the door stile. A double-rod cylinder 321 is mounted on the double glue head holder 317 above the glass glue tube 322 for injecting the glass glue in the glass glue tube into the groove of the door stile through the glass glue head. The double-rod cylinder is electrically connected to the pre-assembled control cabinet.

[0073] The silicone sealant in the silicone sealant machine is delivered to the silicone sealant tube through the tube. The double-rod cylinder above the silicone sealant tube pushes the silicone sealant in the tube into the silicone sealant head to apply the sealant to the door stile.

[0074] The push plate assembly includes a pull rod 312 located in front of the end of the door stile conveyor belt 304. A pull rod suction cup 313 is provided on the upper end of the pull rod 312 facing the side of the door stile conveyor belt. The lower end of the pull rod 312 is hinged to the frame 5 below the door stile conveyor belt. A pull rod cylinder 311 is provided below the door stile conveyor belt. The end of the pull rod telescopic rod is hinged to the bottom end of the pull rod. The pull rod cylinder is electrically connected to the pre-assembled control cabinet.

[0075] The front end of the pusher assembly is equipped with a positioning component, the structure of which is as follows: Figures 11 to 13 As shown, it includes lifting support plates 324 installed on the frames 5 on both sides of the main conveyor belt 1. A support lifting cylinder 326 is installed on the frame 5 below the lifting support plate 324 to drive the lifting support plate 324 to move up and down to support the cabinet door, so as to facilitate the assembly operation.

[0076] Support blocks 325 are provided on the left and right sides of the lifting support plate 324. A push plate 315 is provided on the outer side of the support block 325. The push plate 315 has a stepped structure with the inner side lower and the outer side higher. A push plate cylinder 314 is provided on the lifting support plate 324 on the outer side of the push plate 315 to push the push plate to push the door stile on the push plate towards the door head and core panel for assembly.

[0077] A pressure block 328 is installed on the frame above the support block 325. A pressure block lifting cylinder 327 is installed on the frame. The end of the extension rod of the pressure lifting cylinder is connected to the top surface of the pressure block to push the pressure block to press the core plate and the door head, preventing the core plate and the door head from shifting during the assembly process.

[0078] A support plate 316 is provided on the lifting support plate 324 located between the two support blocks 325 to support the middle of the door stile and prevent the middle of the door stile from denting during assembly. A support plate cylinder 310 is provided on the lifting support plate 324 to push the support plate forward, so that it can move forward with the door stile during assembly to ensure the support effect.

[0079] Support block 325 is a T-shaped support block that is wider on the inside and narrower on the outside. The inner end supports the door head and the core panel respectively, and the outer end supports the door stile, so that the door head, the core panel and the door stile are on the same horizontal plane, ensuring the assembly effect.

[0080] When applying adhesive to the door stile, place the stile on the door stile conveyor belts on both sides of the main conveyor belt. After the front end of the door stile conveyor belt is pulled back, the suction cups on the pull rod hold the stile in place for easy adhesive application. The adhesive application translation motor moves the AB adhesive head on the dual adhesive head holder above the edge of the door stile's groove. The adhesive application lifting motor drives the AB adhesive head to move into the groove of the door stile. The AB adhesive head applies AB adhesive into the groove where the door stile meets the door frame. After the AB adhesive is applied, the single-liquid dispensing valve closes, and the dual adhesive head holder... As the door stile moves towards the center, the double-rod cylinder pushes the silicone sealant tube to apply it into the groove where the stile meets the core panel. When it moves to the other end where the stile meets the door head, the double-rod cylinder stops working, the single-liquid dispensing valve opens, and AB glue is applied into the groove. After the glue is applied, the pull rod cylinder pulls the bottom of the pull rod backward. Since the pull rod is hinged to the middle of the frame, the upper end of the pull rod causes the door head to flip, and the stile changes from a vertical to a horizontal position to facilitate subsequent splicing operations.

[0081] During assembly, the bottom lifting support cylinder supports the door head, core board, and glued door stile on the main conveyor belt, ensuring that the door head, core board, and door stile are on the same horizontal plane. At the same time, the pressure block lifting cylinder descends and presses between the door head and core board to fix them in place. Then, the push plate cylinder pushes the push plate forward to push the door stile, allowing the groove of the door stile to assemble with the edge of the door head and core board, thus improving the stability of the assembly.

[0082] After the cabinet doors are glued and spliced, they are conveyed backward by the main conveyor belt 1 for nailing. Since the nailing mechanism is relatively slow, the assembled cabinet doors are diverted by the diverter 400 to improve the efficiency of cabinet door production.

[0083] The structure of the separator 400 is as follows: Figures 14 to 15 As shown, the assembly includes a main diversion conveyor roller 8 and a diversion conveyor roller 401. The main diversion conveyor roller 8 is positioned in front of the nailing mechanism at the rear of the assembly unit. The diversion conveyor roller 401 is mounted on a frame 5 beside the main diversion conveyor roller 8, and is parallel to the main diversion conveyor roller 8. A diversion conveyor belt 402 is positioned between the main diversion conveyor roller 8 and the diversion conveyor roller 401 to transport cabinet doors from the main diversion conveyor roller 8 to the diversion conveyor roller 401. A main conveyor motor 404 is mounted on the frame 5 below the main diversion conveyor roller 8, and a diversion conveyor motor is mounted on the frame 5 below the diversion conveyor roller 401, thus realizing the diversion conveying of cabinet doors. A diversion control box 414 is located beside the frame 5 to control the diversion of cabinet doors. The main conveyor motor, the diversion conveyor motor, and the diversion conveyor belt lifting mechanism are electrically connected to the diversion control box, which is electrically connected to the control cabinet.

[0084] The diversion conveyor belt 402 is mounted on the frame 5 via the diversion conveyor frame 410. The diversion conveyor frame 410 is equipped with a diversion conveyor motor to drive the diversion conveyor belt to rotate. The frame 5 is equipped with several diversion conveyor belt lifting mechanisms to drive the diversion conveyor belt to lift.

[0085] The diversion conveyor belt lifting mechanism includes an L-shaped support plate 411 mounted on the frame 5 below the diversion conveyor belt 402. A diversion conveyor lifting cylinder 412 is mounted below the L-shaped support plate 411. A diversion conveyor belt lifting bracket 403, perpendicular to the diversion conveyor bracket 410, is mounted at the end of the telescopic rod above the diversion conveyor lifting cylinder 412. The diversion conveyor belt lifting bracket 403 is mounted on the diversion conveyor belt lifting bracket 403. The diversion conveyor lifting cylinder is electrically connected to the diversion control box. When the main diversion conveyor roller conveys the cabinet door to the rear nailing mechanism, the diversion conveyor belt descends to below the main diversion conveyor roller, without affecting the main diversion conveyor roller's forward conveying of the cabinet door. When it is necessary to transfer the cabinet door to the diversion conveyor roller, the diversion conveyor belt rises, causing the cabinet door to detach from the main diversion conveyor roller. After the cabinet door is transported above the diversion conveyor roller by the diversion conveyor belt, the diversion conveyor belt descends, placing the cabinet door on the diversion conveyor roller. The cabinet door is then sent to another nailing mechanism by the diversion conveyor roller.

[0086] The main conveyor roller 8 and the main conveyor roller 401 are respectively provided with a diversion fixed limit plate 406 through the diversion limit plate bracket 405. The diversion fixed limit plate 406 is perpendicular to the conveyor roller and is used to limit the position of the cabinet door.

[0087] The inner side of the main conveyor roller 8 is provided with a diversion movable limit plate 407 parallel to the diversion fixed limit plate 406 via a diversion movable limit plate bracket 408. A diversion movable limit plate lifting cylinder 409 is provided on the frame 5 to drive the diversion movable limit plate 407 to rise and fall. The diversion movable limit plate lifting cylinder is electrically connected to the diversion control box.

[0088] A diversion light sensor 413 is installed at the rear end of the diversion main conveyor roller 8 to collect cabinet door position information. The diversion light sensor is electrically connected to the diversion control box.

[0089] When the assembled cabinet doors are conveyed to the main conveyor roller, they are first conveyed to the nailing mechanism behind them for nailing. The cabinet doors then need to be conveyed to the diversion conveyor roller. During the conveying process, the diversion movable limit plate rises, and the diversion conveyor belt rises simultaneously. The height of the diversion movable limit plate must be greater than the height of the cabinet doors on the diversion conveyor belt so that the diversion conveyor belt can drive the cabinet doors to the diversion conveyor roller. When the cabinet doors are conveyed to the diversion fixed limit plate on the diversion conveyor roller, the diversion conveyor belt descends, placing the cabinet doors on the diversion conveyor roller. They are then conveyed to the nailing mechanism behind them, thus realizing the diversion operation of the cabinet doors.

[0090] A nailing mechanism 500 is respectively installed behind the main conveyor roller 8 and the main conveyor roller 404 to nail the splicing edges of the cabinet doors being conveyed. The structure of the nailing mechanism 500 is as follows: Figures 16 to 18 As shown, it includes nailing support frames 503 set on both sides of the frame. Both sides of the nailing support frame 503 are equipped with nailing mechanisms for nailing the joints of the cabinet doors.

[0091] The inner frame of the nailing support bracket 503 is equipped with several nailing support seats 501 for supporting the cabinet door. The nailing support seats 501 at both ends are equipped with bidirectional motors. The motor shaft of the bidirectional motor is equipped with a nailing bidirectional screw 502 that extends to the nailing support bracket 503. The nailing support brackets 503 on both sides are respectively sleeved on the corresponding nailing bidirectional screw 502. The bidirectional motor rotates to drive the two nailing support brackets to move relative to each other, which can be adjusted according to the width of the cabinet door.

[0092] The nailing support frame 503 is equipped with a double-acting screw 502, and the nailing mechanisms are respectively sleeved on both sides of the double-acting screw 502. A nailing translation motor 506 is installed on the nailing support frame 503 to drive the double-acting screw to rotate. The nailing translation motor drives the nailing mechanisms on both sides to move relative to each other, which can be adjusted according to the length of the cabinet door. A nailing transverse slide rail 504 is installed on the frame, and the nailing support frame 503 is sleeved on the nailing transverse slide rail 504 via a slider.

[0093] A nailing machine control cabinet 4 is installed on the side of the nailing machine to control the nailing operation. The bidirectional motor, the nailing translation motor and the nailing mechanism are electrically connected to the nailing machine control cabinet.

[0094] The nailing mechanism includes a nailing support platform 505 mounted on a two-way nailing screw, a nailing bracket 508 mounted on the nailing support platform 505, a nailing seat on the nailing bracket 508 having a nail feeding port 514 for inserting nails, a nailing nozzle 513 mounted on the nailing seat for nailing cabinet doors, a nailing cylinder 515 mounted on the nailing nozzle 513 for driving nails from the nailing nozzle into the cabinet door, and the nailing cylinder being electrically connected to the nailing machine control cabinet.

[0095] A nail-driving support platform 505 is equipped with a nail-driving translation cylinder 507, and a nail-driving bracket 508 is located at the end of the telescopic rod of the nail-driving translation cylinder 507. The nail-driving translation cylinder is electrically connected to the nail-driving machine control cabinet. The nail-driving translation cylinder pushes the nail-driving bracket to move back and forth, thereby achieving fine adjustment of the nail-driving nozzle.

[0096] The nailing bracket 508 is equipped with a nailing height adjustment cylinder 509, which is used to adjust the height of the nailing nozzle. The nailing seat is set on the telescopic rod of the nailing height adjustment cylinder. The nailing height adjustment cylinder is electrically connected to the nailing machine control cabinet. The nailing height adjustment cylinder realizes the adjustment of the height of the nailing seat, thereby realizing the adjustment of the nailing nozzle height according to the thickness of the cabinet door.

[0097] A nail feeding cylinder 510 is installed on the nailing seat outside the nail feeding port 514. A first nail pushing cylinder 511 is installed on the outside of the nailing seat to push the nail in the nail feeding port towards the nailing nozzle. A second nail pushing cylinder 512 is installed above the nailing seat to push the nail downward. The nail feeding cylinder, the first nail pushing cylinder and the second nail pushing cylinder are electrically connected to the nailing machine control cabinet.

[0098] When nailing the cabinet doors delivered by the splitter, the position of the nailing support frame, the position of the nailing nozzle on the nailing support frame, and the height of the nailing nozzle are adjusted according to the size of the cabinet door. After the position is adjusted, the nail is inserted from the nail feeding port. The nail feeding cylinder pushes the nail forward, and the first nail pushing cylinder pushes the bottom nail towards the nailing nozzle. After the bottom nail is pushed away, the second nail pushing cylinder pushes the top nail downward. Finally, the nail pushed into the nailing nozzle is nailed into the cabinet door through the nailing cylinder.

[0099] After the nailing is completed, the cabinet doors are merged by the merging machine 600 and then conveyed to the belt conveyor 700 for transportation. The structure of the merging machine 600 is as follows: Figure 19 and 20As shown, the merging machine 600 includes a merging main conveyor roller 9 and a merging conveyor roller 601, which are respectively located behind the nailing mechanism. The merging main conveyor roller 9 and the merging conveyor roller 601 are arranged in parallel. The merging main conveyor roller 9 corresponds to the belt conveyor behind it. A merging conveyor belt 603 is provided between the merging main conveyor roller 9 and the merging conveyor roller 601 to transport the cabinet doors on the merging conveyor roller to the merging main conveyor roller 9. A merging main conveyor motor is provided on the frame 5 below the merging main conveyor roller 9. A merging conveyor motor 602 is provided on the frame below the merging conveyor roller 601. A merging controller is provided on the frame 5 to control the merging of the cabinet doors. The merging main conveyor motor and the merging conveyor motor are electrically connected to the merging controller. The merging controller is electrically connected to the operating cabinet.

[0100] The merging conveyor belt 603 is mounted on the frame 5 via the merging conveyor bracket 604. The frame 5 is equipped with several merging conveyor belt lifting mechanisms to drive the merging conveyor belt to lift. The merging conveyor belt lifting mechanisms are electrically connected to the merging controller.

[0101] The merging conveyor belt lifting mechanism includes a merging lifting cylinder support plate 608 mounted on the frame 5 below the merging conveyor belt 603, a merging conveying lifting cylinder 609 mounted below the merging lifting cylinder support plate 608, and a merging conveying lifting bracket 605 perpendicular to the merging conveying bracket 604 mounted on the end of the telescopic rod above the merging conveying lifting cylinder 609. The merging conveying bracket 604 is mounted on the merging conveying lifting bracket 605, and the throttling conveying lifting cylinder is electrically connected to the merging controller.

[0102] After the nailing mechanism completes the nailing, the cabinet doors are conveyed to the corresponding main confluence conveyor roller and the confluence conveyor roller. The cabinet doors on the main confluence conveyor roller are directly conveyed to the belt conveyor behind. When the cabinet doors on the main confluence conveyor roller are being conveyed to the main confluence conveyor roller, the confluence conveyor lifting cylinder drives the confluence conveyor belt lifting bracket to rise, causing the cabinet doors on the confluence conveyor roller to detach from the confluence conveyor roller and then be conveyed to the main confluence conveyor roller via the confluence conveyor belt. When they are conveyed to the main confluence conveyor roller, the confluence conveyor belt descends and is conveyed to the belt conveyor behind via the main confluence conveyor roller.

[0103] A merging light sensor 607 is provided at the rear end of the merging conveyor roller 601 to collect cabinet door position information. The merging light sensor is electrically connected to the merging controller.

[0104] A merging limit plate 606 is provided at the rear end of the merging conveyor roller 601. The merging limit plate is located outside the merging light sensor and is arranged parallel to the merging conveyor roller to limit the cabinet door.

[0105] A merging limit plate 606 is provided on the outer side of the merging main conveyor roller 9. The merging limit plate is located at the rear end of the merging conveyor belt 603 in the running direction and is perpendicular to the merging conveyor belt. It is used to limit the cabinet door transported by the merging conveyor belt.

[0106] After being nailed, the cabinet doors are conveyed onto the main confluence conveyor roller and then onto the rear belt conveyor. On the other side, after being nailed, the cabinet doors are conveyed onto the main confluence conveyor roller. The main confluence conveyor roller then moves the cabinet doors horizontally onto the main confluence conveyor roller. After that, the main confluence conveyor roller moves the cabinet doors horizontally onto the rear belt conveyor. When the cabinet doors are being conveyed by the main confluence conveyor roller and the main confluence conveyor roller, the main confluence conveyor roller moves downwards below the conveyor roller. Only when the main confluence conveyor roller conveys the cabinet doors to the main confluence conveyor roller does the main confluence conveyor roller move upwards to move the cabinet doors horizontally.

Claims

1. An automatic cabinet door assembly line, characterized in that: The system includes a door head conveying mechanism (100), a core board conveying mechanism (200), a door stile gluing mechanism (300), a nailing mechanism (500), and a belt conveyor (700) arranged sequentially on the frame beside the main conveyor belt (1). The nailing mechanisms (500) are arranged in two groups in parallel. A diverter (400) is provided on the main conveyor belt (1) behind the door stile gluing mechanism (300) to convey the glued cabinet doors to the corresponding nailing mechanisms (500). A merging machine (600) is provided on the main conveyor belt (1) at the front end of the belt conveyor (700) to convey the nailed cabinet doors to the belt conveyor. An operating cabinet (2), a pneumatic control cabinet (3), and a nailing machine operating cabinet (4) are arranged beside the main conveyor belt (1). The door head conveying mechanism, the core board conveying mechanism, and the door stile gluing mechanism are electrically connected to the operating cabinet, and the nailing mechanism is electrically connected to the nailing machine operating cabinet.

2. The automatic cabinet door assembly line according to claim 1, characterized in that: The door conveying mechanism (100) includes a door support (101) set on a frame (5) on the side of the main conveyor belt (1). The door support (101) is provided with two door fixing brackets (103) for placing door heads (6). The door support (101) below the door head (6) is provided with a door pushing mechanism for pushing the bottom door head (6) between the door fixing brackets (103). A conveyor belt for conveying the door head is set behind the door pushing mechanism. A door head translation slide rail (109) extending to the main conveyor belt (1) is set above the end of the conveyor belt. A door head translation mechanism for moving the pushed door head onto the main conveyor belt (1) is set on the door head translation slide rail (109). A door head translation motor for driving the door head translation slider is set on the side end of the door head translation slide rail (109). The door pushing mechanism, the door head translation mechanism and the door head translation motor are electrically connected to the operating cabinet.

3. The automatic cabinet door assembly line according to claim 1, characterized in that: The core board conveying mechanism (200) includes two core board fixing frames (201) set on the side frame of the main conveyor belt (1) for placing core boards (7). A gantry frame (202) is set above the main conveyor belt (1). A core board translation plate (204) is slidably set on the inner side of the gantry frame (202). A core board gripping mechanism for gripping the top core board (7) on the core board fixing frame (201) is set on the core board translation plate (204). A rack (203) extending to the main conveyor belt (1) is set on the inner side of the gantry frame (202). A core board translation motor (205) is set on the core board translation plate (204). A gear meshing with the rack (203) is set on the core board translation motor. The core board gripping mechanism and the core board translation motor are electrically connected to the operating cabinet.

4. The automatic cabinet door assembly line according to claim 1, characterized in that: The stile gluing mechanism (300) includes a stile conveyor belt (304) mounted on frames (5) on both sides of the main conveyor belt (1) for conveying stiles (302). A stile conveyor motor (303) for driving the stile conveyor belt to rotate is mounted on the side end of the stile conveyor belt (304). A glue spraying beam (301) is mounted above the front end of the stile conveyor belt (304) via a bracket. A dual glue spraying assembly (305) for applying glue to the stile is mounted on the glue spraying beam via a synchronous belt module. A glue spraying translation motor (306) is mounted at the end of the glue spraying beam. Below the end of the stile conveyor belt (304) is a mechanism for... After the glue is applied, the door stile is conveyed to the push plate assembly at the door head and core board. The front end of the push plate assembly is provided with a positioning component for positioning the cabinet door. The frame (5) is provided with an AB glue machine (900) for providing AB glue to the double glue spraying assembly. The side of the frame (5) is provided with a glass glue machine (800) for providing glass glue to the double glue spraying assembly. The AB glue machine (900) and the glass glue machine (800) are respectively connected to the double glue spraying assembly through glue pipes. The side of the frame is provided with a pre-assembly control cabinet. The door stile conveying motor and the glue spraying translation motor are respectively electrically connected to the pre-assembly control cabinet. The pre-assembly control cabinet is electrically connected to the operation cabinet.

5. The automatic cabinet door assembly line according to claim 4, characterized in that: The dual glue spraying assembly (305) includes a slider that moves left and right along the glue spraying beam. A dual glue head seat (317) is provided on the slider. The dual glue head seat (317) is provided with an AB glue supply unit connected to an AB glue machine (900) via a glue tube for applying AB glue to the door stile and a glass glue supply unit connected to a glass glue machine (800) via a glue tube for applying glass glue to the door stile. A glue spraying lifting motor (307) is provided on the slider for driving the dual glue head seat to move up and down.

6. The automatic cabinet door assembly line according to claim 4, characterized in that: The pusher assembly includes a pull rod (312) located in front of the end of the door stile conveyor belt (304). The upper end of the pull rod (312) is provided with a pull rod suction cup (313) on the side facing the door stile conveyor belt. The lower end of the pull rod (312) is hinged to the frame (5) below the door stile conveyor belt. A pull rod cylinder (311) is provided below the door stile conveyor belt. The end of the pull rod telescopic rod is hinged to the bottom end of the pull rod.

7. The automatic cabinet door assembly line according to claim 4, characterized in that: The positioning assembly includes a lifting support plate (324) set on the frame (5) on both sides of the main conveyor belt (1). Support blocks (325) for supporting cabinet doors are set on the left and right sides of the lifting support plate (324). Push plates (315) for pushing door stiles to the door head and core board are set on the outside of the support blocks (325). Push plate cylinders (314) for pushing the push plates forward are set on the lifting support plate (324) outside the push plates (315). A pressure block (328) is set on the frame above the support block (325). A pressure block lifting cylinder (327) for pushing the pressure block up and down is set on the frame. A support lifting cylinder (326) for driving the lifting support plate up and down is set on the frame (5).

8. The automatic cabinet door assembly line according to claim 1, characterized in that: The diverter (400) includes a main diverter conveyor roller (8) located behind the assembly unit and in front of the nailing mechanism. A diverter conveyor roller (401) parallel to the main diverter conveyor roller (8) is installed on a frame (5) next to the main diverter conveyor roller (8). A diverter conveyor belt (402) for transporting cabinet doors on the main diverter conveyor roller (8) to the diverter conveyor roller (401) is installed between the main diverter conveyor roller (8) and the diverter conveyor roller (401). A main conveyor motor is installed on the frame (5) below the main diverter conveyor roller (8), and a diverter conveyor motor is installed on the frame (5) below the diverter conveyor roller (401). Machine (404); the diversion conveyor belt (402) is mounted on the frame (5) via the diversion conveyor bracket (410), and the frame (5) is provided with several diversion conveyor belt lifting mechanisms for driving the diversion conveyor belt to rise and fall; the rear end of the diversion main conveyor roller (8) is provided with a diversion light sensor (413) for collecting cabinet door position information, and the side of the frame (5) is provided with a diversion control box (414) for controlling the diversion of cabinet doors. The main conveyor motor, the diversion conveyor motor, the diversion conveyor belt lifting mechanism and the diversion light sensor are electrically connected to the diversion control box, and the diversion control box is electrically connected to the operating cabinet.

9. The automatic cabinet door assembly line according to claim 1, characterized in that: The nailing mechanism (500) includes nailing support frames (503) arranged on both sides of the frame. Each side of the nailing support frame (503) is equipped with a nailing mechanism for nailing the joints of the cabinet doors. Several nailing support seats (501) for supporting the cabinet doors are arranged on the frame inside the nailing support frame (503). A bidirectional motor is installed inside each of the nailing support seats (501). A bidirectional screw (502) extending from the motor shaft of the bidirectional motor to the nailing support frame (503) is installed. The nailing supports on both sides... The support frame (503) is respectively sleeved on the corresponding side of the nailing bidirectional screw (502); the nailing support frame (503) is provided with the nailing bidirectional screw (502), the nailing mechanism is respectively sleeved on both sides of the nailing bidirectional screw (502), and the nailing support frame (503) is provided with a nailing translation motor (506) for driving the nailing bidirectional screw to rotate; the side of the nailing machine is provided with a nailing machine operation cabinet (4) for controlling the nailing operation, and the bidirectional motor, the nailing translation motor and the nailing mechanism are respectively electrically connected to the nailing machine operation cabinet.

10. An automatic cabinet door assembly line according to claim 1, characterized in that: The merging machine (600) includes a merging main conveyor roller (9) and a merging conveyor roller (601) respectively arranged behind the nailing mechanism. The merging main conveyor roller (9) and the merging conveyor roller (601) are arranged in parallel. The merging main conveyor roller (9) corresponds to the belt conveyor behind it. A merging conveyor belt (603) is arranged between the merging main conveyor roller (9) and the merging conveyor roller (601) to transport the cabinet door on the merging conveyor roller (601) to the merging main conveyor roller (9). A merging main conveyor motor is arranged on the frame (5) below the merging main conveyor roller (9), and a merging conveyor is arranged on the frame below the merging conveyor roller (601). Conveyor motor (602); The merging conveyor belt (603) is mounted on the frame (5) via a merging conveyor bracket (604), and the frame (5) is provided with several merging conveyor belt lifting mechanisms for driving the merging conveyor belt to rise and fall; The rear end of the merging conveyor roller (601) is provided with a merging light sensor (607) for collecting cabinet door position information, and the frame (5) is provided with a merging controller for controlling the merging of cabinet doors, and the output ends of the merging main conveyor motor, the merging conveyor motor, the merging conveyor belt lifting mechanism and the merging light sensor are electrically connected to the merging controller, and the merging controller is electrically connected to the operating cabinet.

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