Office chair gluing and assembling production line

Abstract

An office chair gluing and assembling production line comprises a conveying line used for conveying chair seats, and a first automatic gluing device, a bottom plate mounting device, a second automatic gluing device, a cloth sticking device, a cloth nailing and repairing device, a back shell mounting device and a labeling and bagging device are sequentially arranged on the conveying line from the feeding end to the discharging end. And a visual scanning device is arranged at the position, corresponding to the first automatic gluing device and the second automatic gluing device, on the conveying line. According to the production line, the working procedures of gluing and assembling the seat of the office chair can be carried out, gluing and assembling of the seat are completed on the same conveying line, the production efficiency of the office chair is greatly improved, automatic gluing is carried out on the seat through the automatic gluing device, the intelligent degree is high, the production efficiency is high, and the labor cost is saved; the visual scanning device is used for carrying out visual scanning on the seat, the gluing position is accurately judged, and accurate gluing of the automatic gluing device on the seat is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of office furniture, in particular to a production line for gluing and assembling office chairs. Background Art

[0002] Chinese patent document CN106824630A, published on June 13, 2017, discloses a glue-spraying robot system and glue-spraying method for manufacturing office chairs. The glue-spraying robot system for manufacturing office chairs comprises several glue-spraying mechanisms connected end-to-end. Each glue-spraying mechanism comprises a frame, a transmission device mounted on the frame, a visual processing chamber, a glue-spraying device, and a control device. The transmission device comprises several sets of transmission roller assemblies connected end-to-end and a tray mounted on the upper surface of the transmission roller assemblies. This glue-spraying robot system is used to glue office chairs. However, after glue-spraying, the office chairs must be assembled, glue-sprayed again, and finally assembled again. This office chair production method suffers from low production efficiency: after being glued by the glue-spraying robot, the office chairs must be moved to assembly equipment for assembly.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The purpose of the utility model is to provide a production line for gluing and assembling office chairs with simple structure, high production efficiency, high intelligence, saving labor costs, accurate gluing and strong practicality, so as to overcome the shortcomings of the existing technology.

[0005] A production line for gluing and assembling office chairs designed for this purpose includes a conveyor line for conveying chair seats, and is characterized in that a first automatic gluing device, a base plate installation device, a second automatic gluing device, a cloth gluing device, a cloth nailing and repairing device, a back shell installation device and a labeling and bagging device are sequentially arranged on the conveyor line from the loading end to the unloading end, and a visual scanning device is arranged at the position corresponding to the first automatic gluing device and the second automatic gluing device on the conveyor line; when the chair seat is conveyed on the conveyor line, the first automatic gluing device, the base plate installation device, the second automatic gluing device, the cloth gluing device, the cloth nailing and repairing device, the back shell installation device and the labeling and bagging device sequentially perform the processes of gluing, installing the base plate, gluing, gluing, cloth nailing and repairing, installing the back shell, and labeling and bagging on the chair seat.

[0006] The conveyor line includes a loading straight conveying section, a turning conveying section and a gluing assembly straight conveying section which are connected in sequence. The loading straight conveying section, the turning conveying section and the gluing assembly straight conveying section are provided with a belt conveying device for conveying the seat.

[0007] The first automatic gluing device and the second automatic gluing device are automatic gluing robots, which are arranged on one side of the conveyor line.

[0008] The automatic gluing robot is provided with a gluing assembly, which includes a glue spray gun and a pressure barrel. The pressure barrel is connected to the glue spray gun through a pipeline.

[0009] The bottom plate installation device is arranged on the other side of the conveying line, and the bottom plate installation device is located between the first automatic gluing device and the second automatic gluing device.

[0010] A plurality of cloth sticking devices, cloth nailing and repairing devices and back shell installation devices are provided and are respectively located on both sides of the conveying line.

[0011] The labeling and bagging device is set at the unloading end of the conveyor line.

[0012] The visual scanning device is arranged above the conveyor line, and the visual scanning device is a 3D visual camera.

[0013] It also includes a central control device and a visual control device. The central control device is communicatively connected to the first automatic gluing device, the second automatic gluing device, the belt conveyor device and the gluing assembly, and the visual control device is communicatively connected to the visual scanning device.

[0014] An in-position sensing device is provided on the conveying line at a position corresponding to the visual scanning device.

[0015] The production line of the utility model can perform the processes of gluing and assembling the seat of an office chair. The gluing and assembly of the seat are completed on the same conveyor line, which greatly improves the production efficiency of the office chair. The seat is automatically glued by the automatic gluing device, which has high intelligence, high production efficiency, and saves labor costs. Before the seat is glued, the seat is visually scanned by the visual scanning device to accurately determine the gluing position, so that the automatic gluing device can accurately glue the seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a production line in one embodiment of the present invention.

[0017] Figure 2 This is a schematic diagram of the overall structure of the automatic gluing robot and the 3D vision camera in one embodiment of the present invention.

[0018] Figure 3 This is a schematic diagram of the overall structure of an automatic gluing robot in one embodiment of the present invention.

[0019] Figure 4 Schematic diagram of the overall structure of a 3D vision camera in one embodiment of the present invention.

[0020] Figure 5 This is a schematic diagram of the overall structure of the 3D vision camera in another orientation in one embodiment of the present invention. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] See also Figure 1-Figure 5 The production line for gluing and assembling an office chair comprises a conveyor line 1 for continuously conveying a chair seat 15. The conveyor line 1 is provided with a first automatic gluing device 2, a bottom plate installation device 3, a second automatic gluing device 4, a cloth sticking device 5, a cloth nailing and repairing device 6, a back shell installation device 7 and a labeling and bagging device 8 in sequence from the loading end to the unloading end. A visual scanning device 9 is provided at the position corresponding to the first automatic gluing device 2 and the second automatic gluing device 4 on the conveyor line 1. When the chair seat 15 is conveyed on the conveyor line 1, the first automatic gluing device 2, the bottom plate installation device 3, the second automatic gluing device 4, the cloth sticking device 5, the cloth nailing and repairing device 6, the back shell installation device 7 and the labeling and bagging device 8 are provided. The dynamic gluing device 4, the cloth sticking device 5, the cloth nailing and repairing device 6, the back shell installation device 7 and the labeling and bagging device 8 sequentially perform the processes of gluing, installing the base plate, gluing, sticking cloth, nailing and repairing cloth, installing the back shell, and labeling and bagging on the seat 15 to realize the gluing and assembly of the seat 15. In addition, the first automatic gluing device 2, the base plate installation device 3, the second automatic gluing device 4, the cloth sticking device 5, the cloth nailing and repairing device 6, the back shell installation device 7 and the labeling and bagging device 8 work synchronously, and different chair seats 15 can be produced at the same time, thereby further improving the production efficiency of office chairs.

[0023] The conveyor line 1 includes a loading linear conveying section 1.1, a turning conveying section 1.2, and a gluing assembly linear conveying section 1.3, which are connected in sequence. Belt conveyors for conveying the chair seats 15 are provided on the loading linear conveying section 1.1, the turning conveying section 1.2, and the gluing assembly linear conveying section 1.3. The turning conveying section 1.2 makes a 180-degree turn, making the conveyor line 1 "U"-shaped. This structure ensures that the chair seats 15 are transported in an orderly manner to the workstations corresponding to the first automatic gluing device 2 of the gluing assembly linear conveying section 1.3 for gluing, ensuring that each chair seat 15 can be smoothly glued. The conveying speed of the belt conveyor is 2 to 14 m / min. Through frequency conversion regulation + servo control, the repeat positioning accuracy of the chair seat 15 during gluing is ±15 mm, which can achieve full coverage spraying.

[0024] The first and second automatic gluing devices 2, 4 are automatic gluing robots 10, positioned on one side of the conveyor line 1. These robots spray glue onto the seat 15 in sync with the conveyor line 1 as it moves along the conveyor line 1. These robots have a spraying cycle of ≥12 seconds per piece, a throughput of ≥300 pieces per hour, and a daily production capacity of ≥2,400 pieces per day, achieving extremely high spraying efficiency.

[0025] The automatic gluing robot 10 is provided with a gluing assembly, which includes a glue spray gun 11 and a pressure barrel. The pressure barrel is connected to the glue spray gun 11 through a pipeline, and the glue spray gun 11 sprays the glue in the pressure barrel onto the seat 15.

[0026] The bottom plate installation device 3 is arranged on the other side of the conveyor line 1, and the bottom plate installation device 3 is located between the first automatic gluing device 2 and the second automatic gluing device 4. The bottom plate is manually installed on the seat 15 through the bottom plate installation device 3.

[0027] Several cloth sticking devices 5, cloth nailing and cloth repairing devices 6 and back shell installation devices 7 are set and are respectively located on both sides of the conveyor line 1. The cloth is manually stuck to the seat 15 through the cloth sticking device 5, the cloth is manually nailed and repaired through the cloth nailing and cloth repairing device 6, and the back shell is manually installed on the seat 15 through the back shell installation device 7. Since the cloth sticking, cloth nailing, cloth repairing and back shell installation processes are slower than the gluing process and take longer time, multiple cloth sticking devices 5, cloth nailing and cloth repairing devices 6 and back shell installation devices 7 are set so that each process can always be carried out synchronously.

[0028] The labeling and bagging device 8 is arranged at the unloading end of the conveyor line 1 , and the seat 15 is manually labeled and bagged by the labeling and bagging device 8 .

[0029] Visual scanning device 9, mounted above conveyor line 1, comprises a 3D camera 14 equipped with a 3D visual recognition system. This system uses deep learning algorithms to rapidly identify product types, providing a user-friendly human-computer interaction experience. The system utilizes a core, autonomous, and controllable algorithm to automatically extract spray paths and retrieve cloud-based process parameters. The 3D camera scans the seat 15 and backrest, identifying the various sizes, shapes, and positions, and automatically generates corresponding spray paths.

[0030] The system further includes a central control device 12 and a visual control device 13. The central control device 12 is communicatively connected to the first automatic gluing device 2, the second automatic gluing device 4, the belt conveyor, and the gluing assembly. The visual control device 13 is communicatively connected to the visual scanning device 9. The visual control device 13 corresponds one-to-one with the visual scanning device 9. The central control device 12 intelligently controls the first automatic gluing device 2, the second automatic gluing device 4, the belt conveyor, and the gluing assembly to achieve automatic gluing of the seat 15. The visual control device 13 intelligently controls the visual scanning device 9 to achieve 3D visual laser line scanning of the seat 15. The laser line scanning speed is ≥8m / min, the resolution size is ≤2mm, and the scanning accuracy is extremely high.

[0031] An in-position sensor device is provided on the conveyor line 1 at a position corresponding to the visual scanning device 9 . After the seat 15 arrives at the gluing station, the in-position sensor device senses the seat 15 , and then the visual scanning device 9 performs a 3D visual scan on the seat 15 .

[0032] The production line for gluing and assembling office chairs adopts a modular design, with the conveying control system and the 3D visual recognition system deeply integrated into one, achieving highly efficient internal communication and interaction; high-efficiency data information processing, with a three-dimensional scanning frame rate of up to 6000HZ and a data processing cycle of less than 200 milliseconds; high-precision stable recognition of scenes, based on the characteristics of structural light, capable of working stably in absolutely dark environments or ambient light scenes; digital parameter setting, the spraying process trajectory can be arbitrarily combined and set according to customer needs, to achieve accurate and reliable product quality and efficiency; support for knowledge base and process library cloud platform access and acquisition, real-time data interaction, remote cloud debugging and optimization upgrades; with self-diagnosis fault alarm function, it can promptly feedback the fault point, realize safety protection interlock, and automatically shut down the equipment in the event of a safety fault alarm; with information interconnection and intercommunication function, a reserved communication interface is provided for users to access the MES system, which can realize online monitoring and parameter setting.

[0033] The operation process of the office chair gluing and assembly production line:

[0034] The chair seat 15 is manually loaded at the loading end of the conveyor line 1, and the chair seat 15 is transported to the gluing assembly linear conveying section 1.3 through the loading linear conveying section 1.1 and the turning conveying section 1.2. The chair seat 15 is transported to the visual recognition area, and the 3D vision camera performs a laser line scan on the chair seat 15 to determine the gluing position of the chair seat 15. Then the chair seat 15 is transported to the online gluing area, and the robotic arm of the automatic gluing robot 10 (the first automatic gluing device 2) controls the gluing assembly to perform online gluing operations on the chair seat 15. Then the chair seat 15 reaches the manual operation area, and the chair seat 15 is manually taken to the bottom plate mounting device 3, and the bottom plate is manually fastened to the chair seat 15 online. Then the chair seat 15 is put back on the gluing assembly linear conveying section 1.3. The chair seat 15 is transported to the visual recognition area, and the 3D vision camera performs a laser line scan on the chair seat 15 to determine the gluing position of the chair seat 15. Then the chair seat 15 is transported to the online gluing area, and the automatic gluing robot 10 (the second automatic gluing device The robotic arm of the gluing device 4) controls the gluing assembly to perform online gluing operations on the seat 15. The seat 15 then reaches the manual operation area, where a person manually takes the seat 15 to the cloth gluing device 5, manually glues the cloth to the seat 15 online, and then puts the seat 15 back onto the gluing assembly linear conveying section 1.3. The seat 15 reaches the next manual operation area, where a person manually takes the seat 15 to the cloth nailing and cloth repairing device 6, manually nails and repairs the cloth to the seat 15 online, and then puts the seat 15 back onto the gluing assembly linear conveying section 1.3. The seat 15 reaches the next manual operation area, where a person manually takes the seat 15 to the back shell installation device 7, manually installs the back shell (backrest) to the seat 15 online, and then puts the seat 15 back onto the gluing assembly linear conveying section 1.3. The seat 15 reaches the manual unloading area (i.e. the unloading end of the conveyor line 1), where a person manually labels and bags the seat 15 through the labeling and bagging device 8. The entire gluing assembly process is completed, and finally the finished product is unloaded.

[0035] The above is a preferred embodiment of the present invention, which illustrates and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A production line for gluing and assembling office chairs, comprising a conveyor line (1) for conveying chair seats (15), characterized in that: The conveyor line (1) is provided with a first automatic gluing device (2), a bottom plate installation device (3), a second automatic gluing device (4), a cloth sticking device (5), a cloth nailing and repairing device (6), a back shell installation device (7) and a labeling and bagging device (8) in sequence from the loading end to the unloading end. A visual scanning device (9) is provided at positions corresponding to the first automatic gluing device (2) and the second automatic gluing device (4) on the conveyor line (1); when the seat (15) is conveyed on the conveyor line (1), the first automatic gluing device (2), the bottom plate installation device (3), the second automatic gluing device (4), the cloth sticking device (5), the cloth nailing and repairing device (6), the back shell installation device (7) and the labeling and bagging device (8) sequentially perform the processes of gluing, installing the bottom plate, gluing, sticking the cloth, nailing and repairing the cloth, installing the back shell and labeling and bagging on the seat (15).

2. The production line for gluing and assembling office chairs according to claim 1, characterized in that: The conveyor line (1) comprises a loading linear conveying section (1.1), a turning conveying section (1.2) and a gluing assembly linear conveying section (1.3) which are connected in sequence. Belt conveying devices for conveying chair seats (15) are provided on the loading linear conveying section (1.1), the turning conveying section (1.2) and the gluing assembly linear conveying section (1.3).

3. The production line for gluing and assembling office chairs according to claim 1, characterized in that: The first automatic gluing device (2) and the second automatic gluing device (4) are automatic gluing robots (10), and the automatic gluing robots (10) are arranged on one side of the conveying line (1).

4. The production line for gluing and assembling office chairs according to claim 3, characterized in that: The automatic gluing robot (10) is provided with a gluing assembly, which includes a glue spraying gun (11) and a pressure barrel, and the pressure barrel is connected to the glue spraying gun (11) via a pipeline.

5. The production line for gluing and assembling office chairs according to claim 1, characterized in that: The bottom plate mounting device (3) is arranged on the other side of the conveyor line (1), and the bottom plate mounting device (3) is located between the first automatic gluing device (2) and the second automatic gluing device (4).

6. The production line for gluing and assembling office chairs according to claim 1, characterized in that: A plurality of cloth sticking devices (5), cloth nailing and repairing devices (6) and back shell installation devices (7) are provided and are respectively located on both sides of the conveying line (1).

7. The production line for gluing and assembling office chairs according to claim 1, characterized in that: The labeling and bagging device (8) is arranged at the unloading end of the conveyor line (1).

8. The production line for gluing and assembling office chairs according to claim 1, characterized in that: The visual scanning device (9) is arranged above the conveyor line (1), and the visual scanning device (9) is a 3D visual camera (14).

9. The production line for gluing and assembling office chairs according to claim 4, characterized in that: The device further comprises a central control device (12) and a visual control device (13), wherein the central control device (12) is communicatively connected to the first automatic gluing device (2), the second automatic gluing device (4), the belt conveyor device and the gluing assembly, and the visual control device (13) is communicatively connected to the visual scanning device (9).

10. The production line for gluing and assembling office chairs according to claim 1, characterized in that: A position sensing device is provided on the conveying line (1) at a position corresponding to the visual scanning device (9).

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