Splicing robot for furniture production

Abstract

The invention belongs to the technical field of splicing robots, particularly relates to a splicing robot for furniture production, and solves the problems that an existing splicing robot can only splice and install nuts on one wood strip at a time, two nuts need to be installed in one wood strip, and one park bench needs to splice a plurality of wood strips to be used as a seat plate, so that the use cost is low. And therefore, the production efficiency of the battens is difficult to achieve by independently utilizing one robot, and the production efficiency of the park bench is greatly influenced.

Description

Technical Field

[0001] The present invention belongs to the technical field of splicing robots, and specifically relates to a splicing robot for furniture production. Background Art

[0002] Furniture refers to a large category of utensils and facilities that are essential for humans to maintain normal life, engage in production practices, and carry out social activities. Furniture has also been continuously developed and innovated following the footsteps of the times. Nowadays, it has a wide variety of categories, different materials, complete varieties, and various uses. It is an important foundation for establishing a working and living space. When manufacturing park benches, with the application of automated equipment, splicing robots are usually used for assembly and manufacturing of park benches.

[0003] A patent with the publication number CN110696135B discloses an automatic assembly machine for solid wood benches. The left leg assembly module of this device can quickly and accurately tenon-joint two bench legs together with a cross brace, and can stand up the assembled left leg part through the left leg turning motor. Similarly, the right leg assembly module can quickly and accurately tenon-joint two bench legs together with a cross brace, and can stand up the assembled right leg part through the right leg turning motor. Then, the left leg transverse movement motor is used to push the left leg assembly module to slide transversely to the right along the slide rail on the frame, and the right leg transverse movement motor is used to push the right leg assembly module to slide transversely to the left along the slide rail on the frame. Then, by pushing the left leg module to the right, both ends of the cross brace can be inserted into the bench legs on the left leg module and the right leg module, thereby realizing the rapid tenon-joint installation of four bench legs and four cross braces.

[0004] The above solution still has some problems in actual application. At present, usually a splicing robot is used to clamp nuts and wooden strips for splicing and installation to prepare a seat board for park bench manufacturing. Then, multiple wooden strips are spliced and installed with the metal frame of the bench, and bolts are used in cooperation with the nuts inside the wooden strips for installation and fixation to complete the production of park benches. However, since the splicing robot can only splice and install nuts for one wooden strip at a time, and two nuts need to be installed in one wooden strip, and a park bench requires multiple wooden strips spliced as the seat board, it is difficult to achieve the preparation efficiency of wooden strips using only one robot alone, which greatly affects the production efficiency of park benches.

[0005] Therefore, the present invention provides a splicing robot for furniture production. Summary of the Invention

[0006] In order to make up for the deficiencies of the prior art and solve at least one of the technical problems proposed in the background art.

[0007] The technical solution adopted by the present invention to solve its technical problems is as follows: A splicing robot for furniture production according to the present invention includes a base, a fixing frame is installed on the upper end surface of the base, an intermittent conveying assembly is installed between the fixing frames for circularly conveying seat wooden strips for splicing, a limiting plate is installed on the upper end of the fixing frame, a robot body is installed on the upper end surface of the limiting plate, an H-shaped telescopic frame is installed at one end of the robot body, a chute is opened at the lower end of the H-shaped telescopic frame, and a distance adjusting assembly is arranged in the inner cavity of the chute; And the distance adjusting assembly includes two T-shaped sliders slidably connected in the inner cavity of the chute, a scissors frame is installed at the lower ends of the two T-shaped sliders, and the scissors frame is used to adjust the distance according to the seat wooden strips installed on different park seats, and adsorption cylinders are arranged below the hinge joints of the scissors frame for adsorbing and clamping nuts for splicing with the seat wooden strips; The intermittent conveying assembly includes four groups of driving rollers arranged between the fixing frames, and every two driving rollers are a group and are installed on the four walls of the inner cavity of the fixing frames. Two conveyor belts are arranged between the fixing frames, and the four groups of driving rollers support and drive the two conveyor belts in a rectangular shape for conveying the seat wooden strips for moving splicing.

[0008] Preferably, limiting grooves are opened at the lower ends of the T-shaped sliders, two T-shaped sliding columns are slidably connected in the inner cavities of the limiting grooves, and the two T-shaped sliding columns are fixedly connected to the lower ends with a scissors frame.

[0009] Preferably, a T-shaped fixing column is rotatably connected inside the hinge joint of the scissors frame, the lower end of the T-shaped fixing column is fixedly connected to the adsorption cylinder, the upper end of the adsorption cylinder is fixedly connected to a second spring, one end of the second spring abuts against the scissors frame, an air cavity is opened inside the adsorption cylinder, a piston disc is slidably connected in the inner cavity of the air cavity, a telescopic column is fixedly connected to the lower end of the piston disc, and a suction cup is arranged at the lower end of the telescopic column for adsorbing and clamping nuts for splicing with the seat wooden strips.

[0010] Preferably, communication grooves are arranged inside the piston disc and the telescopic column, a one-way valve is arranged at the lower end of the telescopic column in the inner cavity of the communication groove, a plurality of adsorption grooves are opened on the inner wall of the communication groove, and one ends of the plurality of adsorption grooves are communicated with the suction cup for adsorbing and clamping nuts. A first spring is fixedly connected to the upper end of the piston disc, and one end of the first spring is fixedly connected to the inner wall of the air cavity.

[0011] Preferably, a bidirectional threaded rod is rotatably connected in the inner cavity of the chute, the outer part of the bidirectional threaded rod is threadedly connected to the two T-shaped sliders, a worm gear is installed on the outer part of the bidirectional threaded rod, a worm is meshed and connected to the outer part of the worm gear, a servo motor is arranged inside the H-shaped telescopic frame, and the output shaft end of the servo motor is fixedly connected to the worm.

[0012] Preferably, a support frame is installed on the upper end surface of the base. A support block is installed between the support frames. A groove is formed in the upper end of the support block. A plurality of support rollers are evenly and rotatably arranged on the inner walls of both sides of the groove cavity. The plurality of support rollers are used to support the conveyor belt, and can support the bottom of the conveyor belt when splicing nuts for the seat wooden strips.

[0013] Preferably, a plurality of rotating grooves are formed between the conveyor belts. A rotating shaft is rotatably connected to the inner cavity of the plurality of rotating grooves. A fixed disk is fixedly connected to the outside of the rotating shaft in the inner cavity of the rotating groove. A torsion spring is fixedly connected to one side of the fixed disk. The torsion spring is fixedly connected to the inner wall of the rotating groove. One end of the rotating shaft is fixedly connected with a pushing block, which is used to push the seat wooden strip for conveying and moving.

[0014] Preferably, U-shaped telescopic rods are slidably connected to both ends of the limiting plate. A guiding rod is installed in the inner cavity of the U-shaped telescopic rod, which is used to guide and correct the splicing position of the seat wooden strip.

[0015] Preferably, an installation cover is installed on the upper end surface of the H-shaped telescopic frame, and the inner cavity of the installation cover is communicated with the inner cavity of the sliding groove, which is used to protect the worm and the worm in the inner cavity of the sliding groove, and the installation cover can be quickly disassembled to replace and repair the worm and the worm.

[0016] Preferably, a clamping block is installed on one side of the T-shaped slider. A plurality of rubber anti-slip tooth blocks are evenly arranged on one side of the clamping block, and the clamping block is used to clamp the seat wooden strip and rotate it to the park bench frame for splicing and installation.

[0017] The beneficial effects of the present invention are as follows: 1. For the splicing robot for furniture production of the present invention, the robot body controls the H-shaped telescopic frame to move, and the H-shaped telescopic frame drives the adsorption cylinder to adsorb and clamp external nuts. Since a plurality of adsorption cylinders are arranged below the H-shaped telescopic frame, a plurality of nuts can be clamped according to the number of seat wooden strips, and then the nuts are controlled to press and splice the seat wooden strips, thereby improving the preparation efficiency of the seat wooden strips. When splicing nuts according to seat wooden strips of different widths, the scissors frame is driven to fold, and the adsorption cylinders are driven to move away from each other, so as to adjust the distance between each adsorption cylinder, so as to splice and install nuts according to seat wooden strips of different widths below. When installing nuts for seat wooden strips of different lengths, the H-shaped telescopic frame is driven to expand and contract to adjust the size of the H-shaped telescopic frame, so as to splice and install nuts according to seat wooden strips of different lengths, improving the versatility of the splicing robot and making the splicing robot applicable to the production and processing of different models of seats.

[0018] 2. The splicing robot for furniture production according to the present invention drives the conveyor belt to rotate through the driving support roller, and makes the conveyor belt drive the pushing block to rotate, thereby picking up the seat wooden strips conveyed by the external conveyor belt. After using the pushing block to push the seat wooden strips to move to the limiting plate, the pushing block will drive the rotating shaft to rotate under force, and at the same time the rotating shaft drives the fixed disk to rotate, and then drives the torsion spring to twist, so as to facilitate the subsequent splicing of the seat wooden strips conveyed. During the movement of the seat wooden strips towards the limiting plate, both ends of the seat wooden strips will move along the guiding rod for correction, so that both ends of multiple seat wooden strips moving to the limiting plate are kept at the same level. Then it is convenient for the suction cylinder to simultaneously splice and install nuts on multiple seat wooden strips, improving the automation degree of the feeding of the seat wooden strips. Moreover, the guiding rod can adjust the limiting and guiding position according to the seat wooden strips of different lengths, so as to guide and correct the seat wooden strips of different lengths.

[0019] 3. The splicing robot for furniture production according to the present invention controls the suction cylinder to press against the seat wooden strips through the robot main body, and makes the suction cylinder squeeze the second spring to push the T-shaped fixing column to slide inside the scissors frame. At the same time, the T-shaped slider drives the clamping block to slide to both ends of the seat wooden strip. Then drive the bidirectional threaded rod to rotate, and make the bidirectional threaded rod thread-drive the T-shaped sliders to move closer to each other, and then make the T-shaped sliders drive the clamping blocks to move synchronously. A plurality of rubber anti-slip tooth blocks are evenly arranged on one side of the clamping block, so that multiple seat wooden strips can be stably clamped. Then, through the control of the robot main body, the seat wooden strips are moved to the metal frame of the park bench for splicing and installation, thereby completing the production and processing of the park bench, improving the production efficiency and automation degree of the park bench. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below with reference to the accompanying drawings.

[0021] Figure 1 is the schematic structural diagram of the overall front view of the present invention; Figure 2 is the schematic perspective structural diagram of the rear view of the present invention; Figure 3 is the schematic internal structure diagram of the support block of the present invention; Figure 4 is the schematic assembly structural diagram of the robot main body of the present invention; Figure 5 is the schematic overall structural diagram of the H-shaped telescopic frame of the present invention; Figure 6 is the schematic disassembly structural diagram of the intermittent conveying component of the present invention; Figure 7 is the schematic semi-sectional internal structure diagram of the T-shaped slider of the present invention; Figure 8 is the schematic overall assembly structural diagram of the suction cylinder of the present invention; Figure 9 It is a schematic diagram of the internal structure of the adsorption cylinder of the present invention in half-section; Figure 10 It is a schematic diagram of the overall structure of the splicing robot of the present invention; In the figure: 1, base; 2, support frame; 3, intermittent conveying component; 31, conveyor belt; 32, rotating groove; 33, torsion spring; 34, pushing block; 35, fixed disk; 36, rotating shaft; 4, support block; 5, limit plate; 6, robot main body; 7, H-shaped telescopic frame; 8, distance adjustment component; 81, T-shaped slider; 82, bidirectional threaded rod; 83, worm gear; 84, scissors frame; 85, T-shaped sliding column; 86, limit groove; 87, clamping block; 9, seat wooden strip; 10, installation cover; 11, groove; 12, fixed frame; 13, support roller; 14, adsorption cylinder; 15, chute; 16, worm; 17, nut; 18, drive roller; 19, air cavity; 20, piston disk; 21, first spring; 22, T-shaped fixing column; 23, second spring; 24, telescopic column; 25, adsorption groove; 26, communication groove; 27, guide rod; 28, U-shaped telescopic rod. Specific embodiments

[0022] In order to make the technical means, creative features, achieved purposes and effects of the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0023] Embodiment 1: As Figures 1 to 10 shown, a splicing robot for furniture production according to an embodiment of the present invention includes a base 1, a fixed frame 12 is installed on the upper end surface of the base 1, an intermittent conveying component 3 is installed between the fixed frames 12 for circularly conveying seat wooden strips 9 for splicing, a limit plate 5 is installed on the upper end of the fixed frame 12, a robot main body 6 is installed on the upper end surface of the limit plate 5, an H-shaped telescopic frame 7 is installed at one end of the robot main body 6, a chute 15 is opened at the lower end of the H-shaped telescopic frame 7, and a distance adjustment component 8 is arranged in the inner cavity of the chute 15; And the distance adjustment component 8 includes two T-shaped sliders 81 slidably connected in the inner cavity of the chute 15, a scissors frame 84 is installed at the lower ends of the two T-shaped sliders 81, and the scissors frame 84 is used to adjust the distance according to the seat wooden strips 9 installed on different park seats, and adsorption cylinders 14 are arranged below the hinge joints of the scissors frame 84 for adsorbing and clamping nuts 17 and seat wooden strips 9 for splicing; The intermittent conveying component 3 includes four groups of drive rollers 18 arranged between the fixed frames 12, and every two drive rollers 18 are a group and are installed on the four walls of the inner cavity of the fixed frame 12. Two conveyor belts 31 are arranged between the fixed frames 12, and the four groups of drive rollers 18 support and drive the two conveyor belts 31 in a rectangular shape for conveying seat wooden strips 9 for moving splicing.

[0024] Specifically, in the prior art, a robot is usually used to pick up a nut and then press the nut into the seat wooden strip, so as to complete the splicing work of the seat wooden strip and the nut. After installing nuts on multiple seat wooden strips, according to the production requirements of park benches, the worker splices and installs multiple seat wooden strips into the metal frame of the bench and installs them with bolts and nuts, thus completing the manufacture of the park bench. However, since the robot can only splice and install nuts on one seat wooden strip at a time, and two nuts need to be installed in one seat wooden strip, this will lead to low efficiency in installing nuts on the seat wooden strip, thus affecting the production efficiency of the entire park bench; When the present invention produces and processes park benches, the seat wooden strips 9 are conveyed onto the conveyor belt 31 by using an external conveyor belt, and the seat wooden strips 9 are abutted against the limiting plate 5, so that multiple seat wooden strips 9 are butted one by one to form a whole block. (At the same time, a workbench can also be directly installed on the base 1, and then the worker places the seat wooden strips 9, so as to arrange the positions of the seat wooden strips 9 according to the production and processing of different park benches). Then, the robot main body 6 is started to control the H-shaped telescopic frame 7 to move, and the H-shaped telescopic frame 7 drives the suction cylinder 14 to adsorb and pick up the external nut 17. At the same time, the suction cylinder 14 is controlled to drive the clamped and adsorbed nut 17 to be pressed and spliced with the seat wooden strip 9. Since a plurality of suction cylinders 14 are arranged below the H-shaped telescopic frame 7, a plurality of nuts 17 can be picked up according to the number of seat wooden strips 9, and then the nuts 17 are controlled to be pressed and spliced with the seat wooden strips 9, so as to improve the splicing production efficiency of installing nuts 17 on the seat wooden strips 9. When splicing nuts 17 according to seat wooden strips 9 of different widths, the scissors frame 84 is driven to fold, and the scissors frame 84 drives the suction cylinder 14 to move away from each other, so that the distance between each suction cylinder 14 can be adjusted, so as to splice and install nuts 17 according to seat wooden strips 9 of different widths below. Moreover, when installing nuts 17 for seat wooden strips 9 of different lengths, the size of the H-shaped telescopic frame 7 is adjusted by driving the H-shaped telescopic frame 7 to expand and contract, so that nuts 17 can be spliced and installed according to seat wooden strips 9 of different lengths, improving the versatility of the splicing robot and making the splicing robot applicable to the production and processing of different models of seats, thus solving the above problems.

[0025] As Figure 4 、 Figure 5 and Figure 7 As shown in

[0026] As Figure 1 、 Figures 7 to 9As shown, a T-shaped fixing column 22 is rotatably connected inside the hinge of the scissors frame 84. The lower end of the T-shaped fixing column 22 is fixedly connected to the adsorption cylinder 14. The upper end of the adsorption cylinder 14 is fixedly connected to a second spring 23. One end of the second spring 23 abuts against the scissors frame 84. An air cavity 19 is formed inside the adsorption cylinder 14. A piston disk 20 is slidably connected inside the inner cavity of the air cavity 19. A telescopic column 24 is fixedly connected to the lower end of the piston disk 20. A suction cup is arranged at the lower end of the telescopic column 24 for adsorbing and clamping the nut 17 and splicing it with the seat wooden strip 9.

[0027] As Figure 1 、 Figures 7 to 9 As shown, communication grooves 26 are arranged inside both the piston disk 20 and the telescopic column 24. A check valve is arranged at the lower end of the telescopic column 24 inside the inner cavity of the communication groove 26. A plurality of adsorption grooves 25 are formed on the inner wall of the communication groove 26. One end of each of the plurality of adsorption grooves 25 is communicated with the suction cup for adsorbing and clamping the nut 17. A first spring 21 is fixedly connected to the upper end of the piston disk 20. One end of the first spring 21 is fixedly connected to the inner wall of the air cavity 19.

[0028] Specifically, when the robot main body 6 controls the H-shaped telescopic frame 7 to drive the adsorption cylinder 14 to adsorb and clamp the nut 17, the telescopic column 24 is driven by the adsorption cylinder 14 to press the nut 17, so that the telescopic column 24 pushes the piston disk 20 to slide inside the air cavity 19. At the same time, the piston disk 20 squeezes the air inside the air cavity 19 through the communication groove 26 to open the check valve and discharge it. Then the robot main body 6 drives the H-shaped telescopic frame 7 to move upward. At the same time, the H-shaped telescopic frame 7 drives the adsorption cylinder 14 and the telescopic column 24 to move upward. Then the first spring 21 is used to bounce the piston disk 20 to move back to its original position. During the process of the piston disk 20 moving back to its original position, the inner cavity of the adsorption cylinder 14 will be reset. Then, through the cooperation of the communication groove 26 and the adsorption grooves 25, a negative pressure suction force is formed, and then the nut 17 is adsorbed and clamped by the suction cup. At the same time, the robot main body 6 drives the adsorbed and clamped nut 17 to move above the seat wooden strip 9 and splices and installs the seat wooden strip 9, thus solving the problem that when the existing splicing robot for furniture production splices and installs nuts on the seat wooden strip 9, since the existing splicing robot can only individually clamp one or two nuts at a time to splice and install nuts on one seat wooden strip, and a park bench requires four to eight seat wooden strips. Therefore, a large amount of time is wasted in pre-preparing the seat wooden strips, which greatly affects the production efficiency of park benches.

[0029] As Figure 5 、 Figures 7 to 9 As shown, a bidirectional threaded rod 82 is rotatably connected inside the inner cavity of the chute 15. Two T-shaped sliders 81 are threadedly connected to the outside of the bidirectional threaded rod 82. A worm gear 83 is installed on the outside of the bidirectional threaded rod 82. A worm 16 is meshed and connected to the outside of the worm gear 83. A servo motor is arranged inside the H-shaped telescopic frame 7. The output shaft end of the servo motor is fixedly connected to the worm 16.

[0030] Specifically, when it is necessary to install the nut 17 according to the position of the seat wooden strip 9, the servo motor is started to drive the worm 16 to rotate, and the worm 16 meshes with and drives the worm wheel 83 to rotate. Then, the bidirectional threaded rod 82 is driven to rotate, and the two T-shaped sliders 81 are thread-driven to move closer to or away from each other. At the same time, the T-shaped slider 81 drives the T-shaped sliding column 85 to move synchronously, and the T-shaped sliding column 85 drives the scissors frame 84 to move. During the movement of the scissors frame 84, the T-shaped sliding column 85 will slide in the inner cavity of the limiting groove 86. Furthermore, the scissors frame 84 drives the T-shaped fixing column 22 and the adsorption cylinder 14 to adjust the distance, so that the adsorption cylinder 14 can clamp the nut 17 and splice it with the seat wooden strip 9 according to the production requirements of park benches of different models, which can further improve the production efficiency of park benches.

[0031] Embodiment 2: As Figure 1 、 Figure 3 and Figure 6 shown, a support frame 2 is installed on the upper end surface of the base 1, a support block 4 is installed between the support frames 2, a groove 11 is opened at the upper end of the support block 4, and a plurality of support rollers 13 are evenly rotatably arranged on the inner walls of both sides of the inner cavity of the groove 11, and the plurality of support rollers 13 are used to support the conveyor belt 31, and can support the bottom of the conveyor belt 31 when the seat wooden strip 9 is spliced with the nut 17.

[0032] As Figure 1 、 Figure 3 and Figure 6 shown, a plurality of rotating grooves 32 are opened between the conveyor belts 31, and a rotating shaft 36 is rotatably connected to the inner cavity of the plurality of rotating grooves 32. A fixed disk 35 is fixedly connected to the outside of the inner cavity of the rotating groove 32 at one end of the rotating shaft 36. A torsion spring 33 is fixedly connected to one side of the fixed disk 35, and the torsion spring 33 is fixedly connected to the inner wall of the rotating groove 32. One end of the rotating shaft 36 is fixedly connected to a pushing block 34, which is used to push the seat wooden strip 9 to move for conveying.

[0033] As Figure 1 and Figure 10 shown, U-shaped telescopic rods 28 are slidably connected to both ends of the limiting plate 5, and a guiding rod 27 is installed in the inner cavity of the U-shaped telescopic rod 28, which is used to guide and correct the splicing position of the seat wooden strip 9.

[0034] Specifically, before splicing and installing the nuts 17 on the seat wooden strips 9, the driving support roller 13 is used to drive the conveyor belt 31 to rotate, and the conveyor belt 31 drives the rotating shaft 36 to move. At the same time, the rotating shaft 36 drives the pushing block 34 to move synchronously. Thus, as the conveyor belt 31 rotates, the pushing block 34 picks up the seat wooden strips 9 conveyed by the external conveyor belt. There are two pushing blocks 34, which can push both ends of the seat wooden strips 9, thereby improving the stability of the seat wooden strips 9 during the conveying process. After using the pushing block 34 to push the seat wooden strips 9 to the limiting plate 5, the pushing block 34 will drive the rotating shaft 36 to rotate under force. At the same time, the rotating shaft 36 drives the fixed disk 35 to rotate, and then drives the torsion spring 33 to twist, so as to facilitate the splicing of the subsequent conveyed seat wooden strips 9. During the movement of the seat wooden strips 9 towards the limiting plate 5, both ends of the seat wooden strips 9 will move along the guiding rod 27 for calibration, so that both ends of multiple seat wooden strips 9 moved to the limiting plate 5 are kept at the same level. Then, it is convenient for the suction cylinder 14 to splice and install the nuts 17 on multiple seat wooden strips 9 at the same time, improving the automatic degree of the feeding of the seat wooden strips, thus solving the problem that when the existing splicing robot for furniture production splices and installs nuts on the seat wooden strips, due to the inconvenient cyclic automatic conveying of the seat wooden strips and the calibration of the position of the seat wooden strips conveyed to the splicing processing position, the robot cannot splice and install nuts inside multiple seat wooden strips at the same time, thus affecting the preparation efficiency of the seat wooden strips and reducing the production efficiency of park benches.

[0035] As Figure 4 , Figure 5 and Figure 7 shown, an installation cover 10 is installed on the upper end surface of the H-shaped telescopic frame 7, and the inner cavity of the installation cover 10 is communicated with the inner cavity of the sliding groove 15, which is used to protect the worm wheel 83 and the worm 16 in the inner cavity of the sliding groove 15, and the installation cover 10 can be quickly disassembled to replace and repair the worm wheel 83 and the worm 16.

[0036] As Figure 2 , Figure 4 and Figure 7 shown, a clamping block 87 is installed on one side of the T-shaped slider 81. A plurality of rubber anti-slip tooth blocks are evenly arranged on one side of the clamping block 87, and the clamping block 87 is used to clamp the seat wooden strips 9 and transport them to the park bench frame for splicing and installation.

[0037] Specifically, when splicing and assembling the prepared seat wooden strips 9 and the metal frame of the park bench, the robot main body 6 controls the suction cylinder 14 to press against the seat wooden strips 9, and the suction cylinder 14 squeezes the second spring 23 to push the T-shaped fixing column 22 to slide inside the scissors frame 84. At the same time, the T-shaped slider 81 drives the clamping block 87 to slide to both ends of the seat wooden strip 9. Then, the bidirectional threaded rod 82 is driven to rotate, and the bidirectional threaded rod 82 threadedly drives the T-shaped sliders 81 to move closer to each other. Furthermore, the T-shaped sliders 81 drive the clamping blocks 87 to move synchronously. A plurality of rubber anti-slip tooth blocks are uniformly arranged on one side of the clamping block 87, so that multiple seat wooden strips 9 can be stably clamped. Then, the robot main body 6 controls the seat wooden strips 9 to move to the metal frame of the park bench for splicing and installation, thus completing the production and processing of the park bench. This solves the problem that when the existing splicing robot for furniture production is used to produce and process park benches, since the prepared wooden strips cannot be picked up by the robot and transported to the metal frame of the park bench for splicing and installation, it not only affects the production efficiency of the park bench but also has a low degree of automation.

[0038] Working principle: When producing and processing park benches, the seat wooden strips 9 are conveyed onto the conveyor belt 31 by using an external conveyor belt, and the seat wooden strips 9 are abutted against the limiting plate 5, so that multiple seat wooden strips 9 are butted one by one to form a whole block. (At the same time, a workbench can also be directly installed on the base 1, and then the worker places the seat wooden strips 9 to facilitate arranging the positions of the seat wooden strips 9 according to the production and processing of different park benches). Then, the robot main body 6 is started to control the H-shaped telescopic frame 7 to move, and the H-shaped telescopic frame 7 drives the suction cylinder 14 to suck and clamp the external nut 17. At the same time, the suction cylinder 14 is controlled to drive the clamped nut 17 to press and splice with the seat wooden strip 9. A plurality of suction cylinders 14 are arranged below the H-shaped telescopic frame 7, so that multiple nuts 17 can be clamped according to the number of seat wooden strips 9. Then, the nuts 17 are controlled to be used for pressing and splicing the seat wooden strips 9, thereby improving the splicing production efficiency of installing the nuts 17 on the seat wooden strips 9. When splicing the nuts 17 according to the seat wooden strips 9 of different widths, the scissors frame 84 is driven to fold, and the scissors frame 84 drives the suction cylinders 14 to move away from each other, so that the distance between each suction cylinder 14 can be adjusted to facilitate splicing and installing the nuts 17 according to the seat wooden strips 9 of different widths below. Moreover, when installing the nuts 17 for the seat wooden strips 9 of different lengths, the H-shaped telescopic frame 7 is driven to expand and contract to adjust the size of the H-shaped telescopic frame 7, so that the nuts 17 can be spliced and installed according to the seat wooden strips 9 of different lengths, improving the versatility of the splicing robot and making the splicing robot suitable for the production and processing of different models of seats; When the robot body 6 controls the H-shaped telescopic frame 7 to drive the suction cylinder 14 to suck and clamp the nut 17, the suction cylinder 14 drives the telescopic column 24 to press the nut 17, so that the telescopic column 24 pushes the piston disk 20 to slide in the air chamber 19. At the same time, the piston disk 20 squeezes the air in the air chamber 19 through the communication groove 26 to open the one-way valve and discharge it. Then the robot body 6 drives the H-shaped telescopic frame 7 to move upward. At the same time, the H-shaped telescopic frame 7 drives the suction cylinder 14 and the telescopic column 24 to move upward. Then, the first spring 21 bounces the piston disk 20 to move back to its original position. During the process of the piston disk 20 moving back to its original position, the inner cavity of the suction cylinder 14 will be reset. Then, through the cooperation of the communication groove 26 and the suction groove 25, a negative pressure suction force is formed. Then, with the suction cup, the nut 17 is sucked and clamped. At the same time, the robot body 6 drives the sucked and clamped nut 17 to move above the seat wooden strip 9 and splice and install the seat wooden strip 9; When splicing and assembling the prepared seat wooden strip 9 and the metal frame of the park bench, the robot body 6 controls the suction cylinder 14 to press against the seat wooden strip 9, and the suction cylinder 14 squeezes the second spring 23 to push the T-shaped fixing column 22 to slide inside the scissors frame 84. At the same time, the T-shaped slider 81 drives the clamping block 87 to slide to both ends of the seat wooden strip 9. Then, the bidirectional threaded rod 82 is driven to rotate, and the bidirectional threaded rod 82 threadedly drives the T-shaped sliders 81 to move closer to each other. Then, the T-shaped sliders 81 drive the clamping blocks 87 to move synchronously. A plurality of rubber anti-slip tooth blocks are evenly arranged on one side of the clamping block 87. Therefore, multiple seat wooden strips 9 can be stably clamped. Then, the robot body 6 controls the seat wooden strip 9 to move to the metal frame of the park bench for splicing and installation, thus completing the production and processing of the park bench.

[0039] The above shows 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 by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A splicing robot for furniture production, characterized in that: The robot comprises a base (1), a fixing frame (12) being installed on the upper end surface of the base (1), an intermittent conveying assembly (3) being installed between the fixing frames (12) for cyclically conveying the seat wood strips (9) for splicing, a limiting plate (5) being installed on the upper end of the fixing frame (12), a robot body (6) being installed on the upper end surface of the limiting plate (5), an H-shaped telescopic frame (7) being installed on one end of the robot body (6), a slide groove (15) being provided at the lower end of the H-shaped telescopic frame (7), and a distance adjustment assembly (8) being provided in the inner cavity of the slide groove (15); The distance adjustment component (8) includes two T-shaped sliders (81) slidably connected in the inner cavity of the slide groove (15), and a scissor frame (84) is installed at the lower end of the two T-shaped sliders (81). The scissor frame (84) is used to adjust the distance according to the seat strips (9) installed in different park seats. An adsorption cylinder (14) is provided below the hinge of the scissor frame (84) for adsorbing the clamping nut (17) and splicing the seat strip (9); The intermittent conveying assembly (3) comprises four groups of transmission rollers (18) arranged between fixed frames (12), and each group comprises two transmission rollers (18) and is installed on four walls of the inner cavity of the fixed frames (12). Two conveyor belts (31) are arranged between the fixed frames (12), and the four groups of transmission rollers (18) support and transmit the two conveyor belts (31) in a rectangular shape, so as to convey the seat strips (9) for moving and splicing.

2. A splicing robot for furniture production according to claim 1, characterized in that: The lower ends of the T-shaped sliding blocks (81) are each provided with a limiting groove (86), the inner cavity of the limiting groove (86) is slidably connected to two T-shaped sliding columns (85), and the lower ends of the two T-shaped sliding columns (85) are fixedly connected to a scissor frame (84).

3. A splicing robot for furniture production according to claim 2, characterized in that: The scissor frame (84) is rotatably connected to a T-shaped fixed column (22) at a hinged portion, the lower end of the T-shaped fixed column (22) is fixedly connected to an adsorption cylinder (14), the upper end of the adsorption cylinder (14) is fixedly connected to a second spring (23), one end of the second spring (23) is in contact with the scissor frame (84), an air cavity (19) is provided inside the adsorption cylinder (14), a piston disc (20) is slidably connected to the inner cavity of the air cavity (19), a telescopic column (24) is fixedly connected to the lower end of the piston disc (20), and a suction cup is provided at the lower end of the telescopic column (24) for adsorbing and clamping the nut (17) and splicing it with the seat wood strip (9).

4. A splicing robot for furniture production according to claim 3, characterized in that: The piston disc (20) and the telescopic column (24) are both provided with a communication groove (26); the lower end of the telescopic column (24) is located in the inner cavity of the communication groove (26) and is provided with a one-way valve; the inner wall of the communication groove (26) is provided with a plurality of adsorption grooves (25); one end of the plurality of adsorption grooves (25) is connected to a suction cup for adsorbing and clamping the nut (17); the upper end of the piston disc (20) is fixedly connected to a first spring (21); one end of the first spring (21) is fixedly connected to the inner wall of the air cavity (19).

5. The splicing robot for furniture production according to claim 1, characterized in that: A bidirectional threaded rod (82) is rotatably connected to the inner cavity of the slide groove (15); the outer portion of the bidirectional threaded rod (82) is threadedly connected to the two T-shaped sliding blocks (81); a worm wheel (83) is installed on the outer portion of the bidirectional threaded rod (82); the outer portion of the worm wheel (83) is meshingly connected to a worm (16); a servo motor is arranged inside the H-shaped telescopic frame (7), and the output shaft end of the servo motor is fixedly connected to the worm (16).

6. The splicing robot for furniture production according to claim 1, characterized in that: A support frame (2) is installed on the upper end surface of the base (1), and a support block (4) is installed between the support frames (2). A groove (11) is opened at the upper end of the support block (4), and a plurality of support rollers (13) are evenly rotated and arranged on both walls of the inner cavity of the groove (11). The plurality of support rollers (13) are used to support the conveyor belt (31) and can support the bottom of the conveyor belt (31) when the seat wood strips (9) are spliced ​​with nuts (17).

7. The splicing robot for furniture production according to claim 1, characterized in that: A plurality of rotating grooves (32) are provided between the conveyor belts (31), and the inner cavities of the plurality of rotating grooves (32) are rotatably connected to rotating shafts (36). The rotating shafts (36) are located outside the inner cavities of the rotating grooves (32) and are fixedly connected to a fixed disk (35). A torsion spring (33) is fixedly connected to one side of the fixed disk (35), and the torsion spring (33) is fixedly connected to the inner wall of the rotating groove (32). A pushing block (34) is fixedly connected to one end of the rotating shaft (36) for pushing the wooden strips of the seat (9) for conveying and moving.

8. The splicing robot for furniture production according to claim 1, characterized in that: Both ends of the limit plate (5) are slidably connected to U-shaped telescopic rods (28), and the inner cavity of the U-shaped telescopic rod (28) is installed with a guide rod (27) for guiding and correcting the splicing position of the seat wood strips (9).

9. The splicing robot for furniture production according to claim 1, characterized in that: The upper end surface of the H-shaped telescopic frame (7) is provided with a mounting cover (10), and the inner cavity of the mounting cover (10) is communicated with the inner cavity of the slide groove (15) for protecting the worm wheel (83) and the worm (16) in the inner cavity of the slide groove (15). The mounting cover (10) can be quickly disassembled to replace and repair the worm wheel (83) and the worm (16).

10. The splicing robot for furniture production according to claim 2, characterized in that: A clamping block (87) is installed on one side of the T-shaped sliding block (81), and a plurality of rubber anti-skid tooth blocks are evenly arranged on one side of the clamping block (87). The clamping block (87) is used to clamp the seat wood strip (9) and move it to the park bench frame for splicing and installation.

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