A type of ventilation duct assembly equipment

Abstract

This utility model provides a duct assembly device, relating to the technical field of chemical fiber production equipment. The duct assembly device includes: an operating table; an inner cylinder feeding mechanism for placing and controlling the feeding of the inner cylinder; an outer cylinder placement mechanism for placing and moving the outer cylinder; a rubber ring feeding mechanism for placing and controlling the feeding of the rubber ring; a transfer mechanism for clamping and transferring the inner cylinder at the inner cylinder feeding mechanism, installing the rubber rings from the rubber ring feeding mechanism to both ends of the inner cylinder, then transferring the inner cylinder to the outer cylinder placement mechanism, pressing part of the inner cylinder into the outer cylinder; and a pressing mechanism for completely pressing the inner cylinder into the outer cylinder. This duct assembly device can assemble the outer cylinder, inner cylinder, and rubber rings. Workers only need to be responsible for feeding the inner cylinder, outer cylinder, and rubber rings, and transferring the assembled duct, thus improving the efficiency of duct assembly.

Description

Technical Field

[0001] This utility model relates to the technical field of chemical fiber production equipment, specifically a wind tunnel assembly device. Background Technology

[0002] The air duct is a cooling device used in the production of various long and short filaments in the chemical fiber industry. It has a mesh surface and consists of an inner cylinder, an outer cylinder, and a rubber ring. The outer surface of the inner cylinder has annular protrusions at both ends. When the inner cylinder is fitted inside the outer cylinder, the ends of the inner and outer cylinders are aligned. Due to the restriction of the annular protrusions, an annular area exists between the inner and outer cylinders. This area is used to place the rubber ring. When the rubber ring is placed in this area, it is compressed, and the elasticity of the rubber ring snaps the inner and outer cylinders together. Currently, air ducts can only be assembled manually by employees, resulting in low assembly efficiency. Utility Model Content

[0003] The purpose of this utility model is to provide a duct assembly device, which aims to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: the air duct assembly equipment includes:

[0005] Control panel;

[0006] Inner cylinder feeding mechanism, which is used to place the inner cylinder and control the feeding of the inner cylinder;

[0007] An outer cylinder placement mechanism is used to place the outer cylinder and simultaneously move the outer cylinder.

[0008] A rubber ring feeding mechanism is used to place rubber rings and control the feeding of rubber rings;

[0009] The transfer mechanism is used to clamp and transfer the inner cylinder at the inner cylinder feeding mechanism, install the rubber rings on the rubber ring feeding mechanism to both ends of the inner cylinder, and then transfer the inner cylinder to the outer cylinder placement mechanism to press part of the inner cylinder into the outer cylinder.

[0010] A pressing mechanism is used to completely press the inner cylinder into the outer cylinder.

[0011] A guiding mechanism, which is mounted on the pressing mechanism, is used to guide the inner cylinder into the outer cylinder.

[0012] Preferably, the operating table has a first mounting platform and a second mounting platform, the first mounting platform being higher than the second mounting platform, the inner cylinder feeding mechanism being disposed on the first mounting platform, the outer cylinder placement mechanism and the pressing mechanism being disposed on the second mounting platform, and the rubber ring feeding mechanism and the transfer mechanism being disposed on the first mounting platform.

[0013] Preferably, the inner cylinder feeding mechanism includes an inner cylinder support frame disposed on the lower surface of the first mounting platform. The inner cylinder support frame is provided with a positioning column and a ball screw. The inner cylinder support frame is provided with a motor for driving the ball screw to rotate. It also includes an inner cylinder support plate slidably connected to the positioning column. The inner cylinder support plate is threadedly connected to the ball screw. The upper surface of the first mounting platform is provided with a notch for the inner cylinder to move upward.

[0014] Preferably, the outer cylinder placement mechanism includes an outer cylinder placement plate, which is disposed on and rotatably connected to a second mounting platform. A second motor for driving the outer cylinder placement plate to rotate is disposed on the second mounting platform. The outer cylinder placement plate is provided with several sets of positioning mechanisms arranged in a circumferential array. Each positioning mechanism includes a core cylinder fixed to the outer cylinder placement plate. Four elastic pressure plates are evenly distributed on the outer surface of the core cylinder. Each pressure plate has a fixing part, a connecting part, and a pressing part. The fixing part of the pressure plate is installed on the outer surface of the core cylinder. The connecting part is inclined and used to connect the fixing part and the pressing part. An elastic pad is provided on the outer surface of the pressing part, and the outer surface of the pad is arc-shaped. A spring is provided between the bottom side of the pressing part and the outer surface of the core cylinder.

[0015] Preferably, the rubber ring feeding mechanism includes a rubber ring placement plate, which is disposed on and rotatably connected to a first mounting platform. A motor for driving the rubber ring placement plate to rotate is disposed on the first mounting platform. The rubber ring placement plate has a plurality of stepped placement slots for placing rubber rings. When the rubber ring is placed into a placement slot, the upper surface of the rubber ring protrudes from the upper surface of the placement slot. The placement slots are arranged in a circumferential array on the rubber ring placement plate. A placement frame is disposed on the first mounting platform and located on the side of the rubber ring placement plate. A storage cylinder is disposed on the placement frame. A notch is provided on the side of the storage cylinder. The lower end face of the storage cylinder is located above the placement slot, and the distance between the lower end face of the storage cylinder and the upper surface of the placement slot is less than the height of the rubber ring when it is laid flat.

[0016] Preferably, the transfer mechanism includes a mounting frame, which is disposed on and rotatably connected to a first mounting platform. A motor four for driving the mounting frame to rotate is disposed on the first mounting platform. A fixed rod one and a ball screw two are disposed on the mounting frame. A motor five for driving the ball screw two to rotate is disposed on the mounting frame. A slide block one is threadedly connected to the ball screw two. The slide block one is slidably connected to the fixed rod one. An extension plate is disposed on one side of the slide block one, and a side frame is disposed on another side of the slide block one. The slide is rotatably connected to the slide block. A synchronous pulley is provided on one side of both the side frame and the extension plate. The two synchronous pulleys are driven by a synchronous belt. A motor six for driving the synchronous pulleys is provided on the extension plate. A ball screw three with two opposite external threads is provided inside the side frame. A motor seven for driving the ball screw three is provided on the side frame. Two slide blocks two are slidably connected inside the side frame. A side plate is provided on the side of the slide block two. A compressible clamping block is provided on the side plate. The inner side of the clamping block is arc-shaped.

[0017] Preferably, the pressing mechanism includes a vertical frame mounted on a second mounting platform, a fixed rod 2 and a ball screw 4 mounted on the vertical frame, and a motor 8 mounted on the vertical frame for driving the ball screw 4 to rotate. It also includes a slide block 3 slidably connected to the guide rod 2, and the slide block 3 is threadedly connected to the ball screw 4.

[0018] The beneficial effects of this utility model are:

[0019] This type of ventilation duct assembly equipment can assemble the outer cylinder, inner cylinder, and rubber ring. The staff only needs to be responsible for feeding the inner cylinder, outer cylinder, and rubber ring and transferring the assembled ventilation duct, which improves the efficiency of ventilation duct assembly. Attached Figure Description

[0020] Figure 1 This is a structural schematic diagram of a specific embodiment of the present utility model.

[0021] Figure 2 This is a schematic diagram of the outer cylinder placement mechanism.

[0022] Figure 3 This is a side view of the inner cylinder feeding mechanism.

[0023] Figure 4 This is a schematic diagram of the stop block when it is not flipped.

[0024] Figure 5 This is a schematic diagram of the stop after it has been flipped.

[0025] Figure 6 This is a partial sectional view of slide three.

[0026] Figure 7This is a top view of the base plate in slide three before it is flipped over.

[0027] Figure 8 This is a top view of the base plate of slide block three after it has been flipped over.

[0028] Figure 9 This is a structural diagram of the extension block and the base plate.

[0029] Figure 10 This is a schematic diagram of the completed assembly of the air duct.

[0030] In the diagram: 1. Inner cylinder; 2. Outer cylinder; 3. First mounting platform; 4. Second mounting platform; 5. Inner cylinder support frame; 6. Positioning column; 7. Ball screw one; 8. Motor one; 9. Inner cylinder support plate; 10. Notch; 11. Outer cylinder placement plate; 12. Motor two; 13. Core cylinder; 14. Pressure plate; 15. Pad plate; 16. Spring; 17. Rubber ring placement plate; 18. Motor three; 19. Placement slot; 20. Placement frame; 21. Storage cylinder; 22. Mounting frame; 23. Motor four; 24. Fixing rod one; 25. Ball screw two; 26. 1. Motor 5; 27. Slide 1; 28. Extension plate; 29. ​​Side frame; 30. Synchronous pulley; 31. Synchronous belt; 32. Motor 6; 33. Ball screw 3; 34. Motor 7; 35. Slide 2; 36. Side plate; 37. Clamping block; 38. Vertical frame; 39. Fixing rod 2; 40. Ball screw 4; 41. Motor 8; 42. Slide 3; 43. Through groove; 44. Pressure block; 45. Limiting block; 46. Positioning block; 47. Elastic element; 48. Stop block; 49. Extension block; 50. Guide plate; 51. Rubber ring; 52. Base plate. Detailed Implementation

[0031] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings.

[0032] like Figure 1-10 As shown, a ventilation duct assembly device includes:

[0033] Control panel;

[0034] The inner cylinder 1 feeding mechanism is used to place the inner cylinder 1 and control the feeding of the inner cylinder 1.

[0035] The outer cylinder 2 placement mechanism is used to place the outer cylinder 2 and simultaneously move the outer cylinder 2.

[0036] The rubber ring 51 feeding mechanism is used to place the rubber ring 51 and control the feeding of the rubber ring 51.

[0037] The transfer mechanism is used to clamp and transfer the inner cylinder 1 at the inner cylinder 1 feeding mechanism, and install the rubber ring 51 on the rubber ring 51 feeding mechanism to both ends of the inner cylinder 1, and then transfer the inner cylinder 1 to the outer cylinder 2 placement mechanism, pressing part of the inner cylinder 1 into the outer cylinder 2.

[0038] The pressing mechanism is used to completely press the inner cylinder 1 into the outer cylinder 2.

[0039] A guiding mechanism is provided on the pressing mechanism and is used to guide the inner cylinder 1 into the outer cylinder 2.

[0040] The air duct includes an inner cylinder 1, an outer cylinder 2, and a rubber ring 51. The two ends of the outer surface of the inner cylinder 1 are respectively provided with annular protrusions. When the inner cylinder 1 is fitted inside the outer cylinder 2, the two ends of the inner cylinder 1 and the outer cylinder 2 are aligned. At the same time, due to the restriction of the annular protrusions, there is an annular area between the inner cylinder 1 and the outer cylinder. This area is used to place the rubber ring 51. When the rubber ring 51 is placed in this area, the rubber ring 51 will be compressed. Through the elasticity of the rubber ring 51, the inner cylinder 1 and the outer cylinder 2 are snapped together. The outer diameter of the annular protrusion of the inner cylinder 1 is 170mm, and the inner diameter of the outer cylinder 2 is 172mm.

[0041] Furthermore, the operating platform has a first mounting platform 3 and a second mounting platform 4. The height of the first mounting platform 3 is higher than that of the second mounting platform 4. The inner cylinder 1 feeding mechanism is set on the first mounting platform 3, the outer cylinder 2 placement mechanism and pressing mechanism are set on the second mounting platform 4, and the rubber ring 51 feeding mechanism and transfer mechanism are set on the first mounting platform 3.

[0042] Furthermore, the inner cylinder 1 feeding mechanism includes an inner cylinder support frame 5 disposed on the lower surface of the first mounting platform 3. The inner cylinder support frame 5 is provided with a positioning column 6 and a ball screw 7. The inner cylinder support frame 5 is provided with a motor 8 for driving the ball screw 7 to rotate. It also includes an inner cylinder support plate 9 slidably connected to the positioning column 6. The inner cylinder support plate 9 is threadedly connected to the ball screw 7. The upper surface of the first mounting platform 3 is provided with a notch 10 for the inner cylinder 1 to move upward.

[0043] When placing the inner cylinder 1, the motor 8 first drives the ball screw 7 to rotate. Through the threaded connection between the ball screw 7 and the inner cylinder support plate 9, and the sliding connection between the ball screw 7 and the positioning post 6, the inner cylinder support plate 9 can be moved downwards along the positioning post 6, moving to the bottom of the positioning post 6. Then, the motor 8 is turned off, and the inner cylinder 1 is placed on the positioning post 6. The upper end of the positioning post 6 is rounded to facilitate the placement of the inner cylinder 1. The inner diameter of the inner cylinder 1 is slightly larger than that of the positioning post 6, allowing for relatively easy placement. The inner diameter of the inner cylinder 1 is 160mm, and the outer diameter of the positioning post 6 is 158mm. After the inner cylinder 1 is placed, in order to facilitate the transfer mechanism to move the inner cylinder 1 off the positioning post 6, it is necessary to start the motor 8. The motor 8 drives the ball screw to rotate and moves the inner cylinder support plate 9 upward. The inner cylinder support plate 9 pushes the inner cylinder 1 upward along the positioning post 6 so that the transfer mechanism can clamp and transfer the inner cylinder 1 on the positioning post 6. During this process, the inner cylinder support plate 9 is always located inside the positioning post 6. When the inner cylinder support plate 9 moves to the highest position, the upper surface of the inner cylinder support plate 9 is below the positioning post 6, and the distance between the two is 50mm, to ensure that the inner cylinder 1 will not be seriously tilted due to vibration.

[0044] Furthermore, the outer cylinder 2 placement mechanism includes an outer cylinder placement plate 11, which is mounted on and rotatably connected to the second mounting platform 4. The second mounting platform 4 is equipped with a motor 12 for driving the outer cylinder placement plate 11 to rotate. The outer cylinder placement plate 11 is equipped with several sets of positioning mechanisms, which are arranged in a circumferential array on the outer cylinder placement plate 11. Each positioning mechanism includes a core cylinder 13 fixed on the outer cylinder placement plate 11. Four elastic pressure plates 14 are evenly arranged on the outer surface of the core cylinder 13. Each pressure plate 14 has a fixing part, a connecting part, and a pressing part. The fixing part of the pressure plate 14 is installed on the outer surface of the core cylinder 13. The connecting part is inclined and used to connect the fixing part and the pressing part. An elastic pad 15 is provided on the outer surface of the pressing part. The outer surface of the pad 15 is arc-shaped. A spring 16 is provided between the bottom side of the pressing part and the outer surface of the core cylinder 13.

[0045] When pressure plate 14 is not under pressure, its clamping part is in an inclined state, and spring 16 is in an extended state. All four pressure plates 14 are in the same state. When the outer cylinder 2 is placed, the lower end of the outer cylinder 2 will contact the connecting part on the pressure plate 14, and the clamping part will be continuously squeezed by the connecting part of the pressure plate 14. After being squeezed, the clamping part will move in the opposite direction to the core cylinder 13, and spring 16 will be compressed. When the lower end of the outer cylinder 2 contacts the upper surface of the outer cylinder placement plate 11, the clamping part in the pressure plate 14 is in a vertical position. The outer cylinder placement plate 11 is in a certain state, and the outer surface of the pad 15 is in contact with the inner surface of the outer cylinder 2. The pad 15 is made of silicone. Through the four pressure plates 14, springs 16 and pad 15, the center line of the outer cylinder 2 placed on the outer cylinder placement plate 11 can be made to coincide with the central axis of the core cylinder 13. The coincidence error between the two is less than 0.5mm. After all the outer cylinders 2 are placed, the outer cylinder placement plate 11 can be rotated by the motor 12, thereby causing the position of the outer cylinder 2 on the outer cylinder placement plate 11 to change.

[0046] Furthermore, the rubber ring 51 feeding mechanism includes a rubber ring placement plate 17, which is mounted on and rotatably connected to the first mounting platform 3. The first mounting platform 3 is equipped with a motor 18 for driving the rubber ring placement plate 17 to rotate. The rubber ring placement plate 17 has several stepped placement slots 19 for placing the rubber ring 51. When the rubber ring 51 is placed into the placement slot 19, the upper surface of the rubber ring 51 protrudes from the upper surface of the placement slot 19. The placement slots 19 are arranged in a circumferential array on the rubber ring placement plate 17. A placement rack 20 is provided on the first mounting platform 3 and located on the side of the rubber ring placement plate 17. A storage cylinder 21 is provided on the placement rack 20. The side of the storage cylinder 21 has a notch. The lower end face of the storage cylinder 21 is located above the placement slot 19, and the distance between the lower end face of the storage cylinder 21 and the upper surface of the placement slot 19 is less than the height of the rubber ring 51 when it is laid flat.

[0047] The inner diameter of the rubber ring 51 is smaller than the minimum inner diameter of the placement groove 19, and the maximum outer diameter of the placement groove 19 is larger than the outer diameter of the rubber ring 51, so that the rubber ring 51 can be easily placed into the placement groove 19. Before placing the rubber ring 51 into the placement groove 19, multiple rubber rings 51 are first neatly stacked in the storage cylinder 21. Then, the rubber ring placement plate 17 is rotated by the motor 18. The rubber ring placement plate 17 rotates 60° each time. During the rotation of the rubber ring placement plate 17, when the placement groove 19 moves to the bottom of the storage cylinder 21, the rubber ring 51 in the storage cylinder 21 is pushed up by its own weight. The rubber rings 51 can fall naturally into the placement slots 19. Only one rubber ring 51 can fall into each placement slot 19 at a time. After a rubber ring 51 falls into the placement slot 19, the rubber ring placement plate 17 is rotated by the motor 3 18, so that the next placement slot 19 moves below the storage cylinder 21, allowing the rubber rings 51 in the storage cylinder 21 to continue falling into the placement slot 19. When the rubber ring placement plate 17 rotates, it can only transfer the rubber rings 51 that have fallen into the placement slot 19, and cannot transfer the rubber rings 51 that have not entered the placement slot 19, so as to avoid multiple rubber rings 51 entering the placement slot 19 at the same time.

[0048] Furthermore, the transfer mechanism includes a mounting frame 22, which is mounted on and rotatably connected to the first mounting platform 3. The first mounting platform 3 is equipped with a motor 23 for driving the mounting frame 22 to rotate. The mounting frame 22 is equipped with a fixing rod 24 and a ball screw 25. A motor 26 is also mounted on the mounting frame 22 for driving the ball screw 25 to rotate. A slide block 27 is threaded onto the ball screw 25, and the slide block 27 is slidably connected to the fixing rod 24. An extension plate 28 is provided on one side of the slide block 27, and a side frame 29 is provided on one side of the slide block 27. The side frame 29 is connected to... The slide 27 is rotatably connected. A synchronous pulley 30 is provided on one side of the side frame 29 and the extension plate 28. The two synchronous pulleys 30 are driven by a synchronous belt 31. A motor 32 for driving the synchronous pulleys 30 is provided on the extension plate 28. A ball screw 33 with two opposite external threads is provided inside the side frame 29. A motor 34 for driving the ball screw 33 is provided on the side frame 29. Two slides 35 are slidably connected inside the side frame 29. A side plate 36 is provided on the side of the slide 35. A compressible clamping block 37 is provided on the side plate 36. The inner side of the clamping block 37 is arc-shaped.

[0049] After completing the placement preparations for the rubber ring 51, inner cylinder 1, and outer cylinder 2, the assembly of inner cylinder 1 and outer cylinder 2 begins. First, the mounting frame 22 is rotated by motor 4 23, causing the two clamping blocks 37 to move above the notch 10. At this point, the two clamping blocks 37 are located on both sides of the notch 10. Then, motor 4 23 is turned off, and motor 5 26 is started. Motor 5 26 drives ball screw 25 to rotate. Through the threaded connection between ball screw 25 and slide block 27, and the sliding connection between fixing rod 24 and slide block 27, the two clamping blocks 37 are moved downwards. At this point, the distance between the lower end of the clamping block 37 and the notch 10 is shortened to 50mm. Then, the electric... Machine 526 stops working, then motor 18 is started. Motor 18 drives ball screw 17 to rotate, causing the inner cylinder support plate 9 to move upward along the positioning post 6, and pushing the inner cylinder 1 on the positioning post 6 to move upward. When the inner cylinder support plate 9 moves upward to the target position, motor 18 stops. At this time, the inner cylinder 1 is located between the two clamping blocks 37, and the two annular protrusions on the inner cylinder 1 are located on the upper and lower sides of the clamping blocks 37 respectively. Then motor 734 is started, driving ball screw 33 to rotate. Then, through the threaded connection between ball screw 33 and the two slide blocks 35, the distance between the two slide blocks 35 is shortened, and at the same time, the two side plates 36 and The distance between the two clamping blocks 37 is shortened. The clamping blocks 37 are made of silicone. When the distance between the two clamping blocks 37 is shortened, the inner cylinder 1 can be clamped and fixed. After the two clamping blocks 37 have completed clamping and fixing the inner cylinder 1, motor 7 34 stops operating. Then motor 5 26 is started, driving the two clamping blocks 37 upwards, simultaneously driving the clamped inner cylinder 1 upwards, so that the lower end of the inner cylinder 1 is completely above the rubber ring placement plate 17. Then motor 5 26 stops operating. Next, motor 4 23 is started, driving the mounting frame 22 to rotate 90°. Subsequently, motor 4 23 stops operating. At this time, the placement slot 19 is located directly below the inner cylinder 1 clamped by the two clamping blocks 37. Then start motor 26, which drives the two clamping blocks 37 to move downwards, and also drives the inner cylinder 1 downwards, so that the lower end of the inner cylinder 1 passes through the middle of the rubber ring 51. Since the clamping blocks 37 and the inner cylinder 1 are prone to slippage, motor 26 needs to control the clamping blocks 37 to move downwards to a predetermined height, that is, the lower end of the clamping blocks 37 contacts the upper surface of the annular protrusion below the inner cylinder 1. Through the contact between the clamping blocks 37 and the protrusion, the inner cylinder 1 can be stably pushed downwards so that the rubber ring 51 can be installed on the inner cylinder 1. When the rubber ring 51 is installed on the inner cylinder 1, the rubber ring 51 is located below the protrusion on the inner cylinder 1, and at this time the upper surface of the rubber ring 51 contacts the lower surface of the protrusion.

[0050] After installing a single rubber ring 51, motor 26 is started. Motor 26 drives clamping block 37 and inner cylinder 1 to move upward. When clamping block 37 and inner cylinder 1 move upward to a certain height, motor 26 stops. Then, motor 32 is started. Through the transmission of motor 32, synchronous pulley 30 and synchronous belt 31, side frame 29 is rotated 180°, so that both clamping blocks 37 and inner cylinder 1 rotate 180° simultaneously. At this time, there is no rubber ring 51 at the lower end of inner cylinder 1. During the adjustment of inner cylinder 1, motor 318 drives rubber ring placement plate 17 to rotate 60°, so that placement slot 19 containing rubber ring 51 moves back to the position of the previously used rubber ring 51. Then, motor 26 controls clamping block 37 and inner cylinder 1 to move downward, so that rubber ring 51 is once again placed on the lower end of inner cylinder 1. When rubber rings 51 are placed on both ends of inner cylinder 1, motor 26 controls... The height of the inner cylinder 1 is adjusted so that the lower end of the inner cylinder 1 is higher than the upper end of the outer cylinder 2 placed on the outer cylinder placement plate 11. Then, the mounting frame 22 is rotated 180° by motor 4 23, so that the inner cylinder 1 is rotated above the outer cylinder 2. Then, the clamping block 37 and the inner cylinder 1 are moved downward by motor 5 26. Through the squeezing force, the rubber ring 51 at the lower end of the inner cylinder 1 and the inner cylinder 1 enter the interior of the outer cylinder 2. When the inner cylinder 1 moves downward to the maximum distance under the action of motor 5 26, the pressing part of the pressure plate 14 enters the interior of the inner cylinder 1 and provides support for the inner cylinder 1. Then, the distance between the two clamping blocks 37 is increased by motor 7 34. At the same time, the clamping block 37 is moved upward by motor 5 26. Then, the mounting frame 22 is rotated 270° in the opposite direction by motor 4 23, so that the clamping block 37 moves back to the position of the notch 10 to clamp the new inner cylinder 1.

[0051] Furthermore, the pressing mechanism includes a vertical frame 38 mounted on the second mounting platform 4, a fixed rod 39 and a ball screw 40 mounted on the vertical frame 38, a motor 41 mounted on the vertical frame 38 for driving the ball screw 40 to rotate, and a slide block 42 slidably connected to the guide rod 2, the slide block 42 being threadedly connected to the ball screw 40.

[0052] Since the transfer mechanism cannot completely press the inner cylinder 1 with the rubber ring 51 into the outer cylinder 2, the motor 41 drives the ball screw 40 to rotate. Then, through the threaded connection between the ball screw 40 and the slide block 42, and the sliding connection between the fixing rod 39 and the slide block 42, the slide block 42 moves downwards. This downward movement of the slide block 42 completely presses the inner cylinder 1 into the outer cylinder 2. During this downward movement, the inner cylinder 1 contacts the connecting part of the pressure plate 14 and squeezes the pressing part of the pressure plate 14. The greater compression at the connection point causes the contact area between the pad 15 on the pressure plate 14 and the inner wall of the inner cylinder 1 to be significantly smaller than the contact area between the pad 15 and the inner surface of the outer cylinder 2 after the pressure plate 14 is bent. Consequently, the friction between the inner cylinder 1 and the pad 15 is reduced. Although the pressure plate 14 and the spring 16 are further compressed, the force applied to the inner cylinder 1 after compression is less than the friction lost due to the reduction in contact area. Therefore, after the inner cylinder 1 and the outer cylinder 2 are assembled, the assembled air duct can be removed from the outer cylinder placement plate 11 relatively easily.

[0053] After the inner cylinder 1, outer cylinder 2 and rubber ring 51 are assembled, motor 8 41 drives slide 3 42 to move upward, so that the next inner cylinder 1 can be pressed into the outer cylinder 2. At the same time, motor 2 12 drives the outer cylinder placement plate 11 to rotate 60°, so that the new inner cylinder 1 and the new outer cylinder 2 can be assembled.

[0054] Furthermore, a through groove 43 is provided on the slide block 42. The upper end of the through groove 43 is widened and rounded. Several grooves are provided on the through groove 43. A pressure block 44 is rotatably connected inside the groove. A limit block 45 is provided at the upper end of the pressure block 44. A positioning block 46 is provided inside the groove. A through hole is provided inside the positioning block 46. An elastic element 47 is also included. A stop block 48 is provided at one end of the elastic element 47. The other end of the elastic element 47 passes through the through hole and is fixedly connected to the limit block 45. An extension block 49 is provided on the lower side of the pressure block 44. A guide plate 50 is provided on the lower surface of the extension block 49.

[0055] Before the inner cylinder 1 is placed into the outer cylinder 2 by clamping block 37, motor 8 41 drives slide block 3 42 downward, maintaining a 20mm distance between the lower surface of slide block 3 42 and the upper surface of the outer cylinder 2 placed on the outer cylinder placement plate 11. Then, motor 4 23 drives clamping block 37 to rotate the inner cylinder 1 180°, moving the inner cylinder 1 directly above the outer cylinder 2. Then, motor 5 26 controls the inner cylinder 1 to move downward. During the downward movement, the lower end of the inner cylinder 1 will first contact the surface of extension block 49, and push the pressure block 44 to flip as it is pressed down. When the pressure block 44 rotates 90°, the extension block 49 will abut against the stop block 48, thus restricting the pressure block 44 from continuing to rotate. Then, motor 5 26 and motor 8 41 control slide block 3 42 and inner cylinder 1 to move downward at the same speed. Through the set guide plate 50, it can be directed outward. The upper end of cylinder 2 serves as a limit and fixation point, allowing the inner cylinder 1 to be stably inserted into the outer cylinder 2. When motor 5 26 drives the inner cylinder 1 to move downward to the lowest point, clamping block 37 releases its grip on the inner cylinder 1. Then, motor 5 26 drives clamping block 37 to move upward, and then motor 4 23 drives clamping block 37 to move to the position of notch 10. At the same time, motor 8 41 drives slide block 3 42 to move upward. When extension block 49 is completely separated from inner cylinder 1, under the action of elastic element 47, limiting block 45 abuts against positioning block 46, preventing stop block 48 from further flipping. Then, motor 8 41 drives slide block 3 42 to move downward. When the upper end of inner cylinder 1 contacts the lower surface of extension block 49, due to the abutment of limiting block 45 and positioning block 46, extension block 49 can continue to push inner cylinder 1 vertically downward until inner cylinder 1 is completely assembled into outer cylinder 2.

[0056] Due to the constraints of multiple stop blocks 48 and extension blocks 49, the inner cylinder 1 can be guided, ensuring that the lower end of the inner cylinder 1 is always in the center of the through groove 43, thus ensuring that the lower end of the inner cylinder 1 can effectively enter the outer cylinder 2.

[0057] Each extension block 49 is provided with a base plate 52. The base plates 52 on the six extension blocks 49 are arranged in a ring. There is a gap between two adjacent base plates 52 so as not to affect the flipping of the base plates 52. When the inner cylinder 1 is pushed down by the extension blocks 49, the six base plates 52 can cover the upper end of the inner cylinder 1 and the rubber ring 51 fitted on the upper end of the inner cylinder 1 as much as possible. Therefore, when the rubber ring 51 at the upper end of the inner cylinder 1 is pressed into the outer cylinder 2, the force applied by the base plate 52 to the rubber ring 51 is relatively uniform, so that the rubber ring 51 can enter the outer cylinder 2 stably. The base plate 52 is made of metal stainless steel.

[0058] A vibration motor can be installed on the placement rack 20 so that the rubber ring 51 in the storage cylinder 21 can be stably delivered into the placement trough 19.

[0059] The engagement of the two synchronous pulleys 30 with the synchronous belt 31 can be replaced by the meshing transmission of two gears.

[0060] In this invention, the actions of each motor can be controlled by setting a distance sensor, an angle sensor, a time relay, and a PLC control system.

[0061] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. A ventilation duct assembly device, characterized in that, include: Control panel; Inner cylinder feeding mechanism, which is used to place the inner cylinder and control the feeding of the inner cylinder; An outer cylinder placement mechanism is used to place the outer cylinder and simultaneously move the outer cylinder. A rubber ring feeding mechanism is used to place rubber rings and control the feeding of rubber rings; The transfer mechanism is used to clamp and transfer the inner cylinder at the inner cylinder feeding mechanism, install the rubber rings on the rubber ring feeding mechanism to both ends of the inner cylinder, and then transfer the inner cylinder to the outer cylinder placement mechanism to press part of the inner cylinder into the outer cylinder. A pressing mechanism is used to completely press the inner cylinder into the outer cylinder.

2. The ventilation duct assembly equipment according to claim 1, characterized in that, The operating platform has a first mounting platform and a second mounting platform. The height of the first mounting platform is higher than that of the second mounting platform. The inner cylinder feeding mechanism is set on the first mounting platform, the outer cylinder placement mechanism and the pressing mechanism are set on the second mounting platform, and the rubber ring feeding mechanism and the transfer mechanism are set on the first mounting platform.

3. The ventilation duct assembly equipment according to claim 2, characterized in that, The inner cylinder feeding mechanism includes an inner cylinder support frame disposed on the lower surface of the first mounting platform. The inner cylinder support frame is provided with a positioning column and a ball screw. The inner cylinder support frame is provided with a motor for driving the ball screw to rotate. It also includes an inner cylinder support plate slidably connected to the positioning column. The inner cylinder support plate is threadedly connected to the ball screw. The upper surface of the first mounting platform is provided with a notch for the inner cylinder to move upward.

4. The ventilation duct assembly equipment according to claim 3, characterized in that, The outer cylinder placement mechanism includes an outer cylinder placement plate, which is mounted on and rotatably connected to a second mounting platform. A second motor for driving the outer cylinder placement plate to rotate is mounted on the second mounting platform. Several positioning mechanisms are arranged in a circumferential array on the outer cylinder placement plate. Each positioning mechanism includes a core cylinder fixed to the outer cylinder placement plate. Four elastic pressure plates are evenly distributed on the outer surface of the core cylinder. Each pressure plate has a fixing part, a connecting part, and a pressing part. The fixing part of the pressure plate is installed on the outer surface of the core cylinder. The connecting part is inclined and used to connect the fixing part and the pressing part. An elastic pad is provided on the outer surface of the pressing part, and the outer surface of the pad is arc-shaped. A spring is provided between the bottom side of the pressing part and the outer surface of the core cylinder.

5. The ventilation duct assembly equipment according to claim 4, characterized in that, The rubber ring feeding mechanism includes a rubber ring placement plate, which is mounted on and rotatably connected to a first mounting platform. A motor is mounted on the first mounting platform to drive the rubber ring placement plate to rotate. The rubber ring placement plate has several stepped placement slots for placing rubber rings. When a rubber ring is placed into a slot, its upper surface protrudes beyond the upper surface of the slot. The placement slots are arranged in a circumferential array on the rubber ring placement plate. A placement frame is mounted on the first mounting platform and located on the side of the rubber ring placement plate. A storage cylinder is mounted on the placement frame. The storage cylinder has a notch on its side, and its lower end face is located above the placement slot. The distance between the lower end face of the storage cylinder and the upper surface of the placement slot is less than the height of the rubber ring when it is laid flat.

6. The ventilation duct assembly equipment according to claim 5, characterized in that, The transfer mechanism includes a mounting frame, which is mounted on and rotatably connected to a first mounting platform. A motor four for driving the mounting frame to rotate is mounted on the first mounting platform. A fixed rod one and a ball screw two are mounted on the mounting frame. A motor five for driving the ball screw two to rotate is also mounted on the mounting frame. A slide block one is threaded onto the ball screw two. The slide block one is slidably connected to the fixed rod one. An extension plate is mounted on one side of the slide block one, and a side frame is mounted on another side of the slide block one. The side frame is connected to the fixed rod one. The seat is rotatably connected. Both the side frame and the extension plate are provided with synchronous pulleys on one side. The two synchronous pulleys are driven by a synchronous belt. The extension plate is provided with a motor six for driving the synchronous pulleys to rotate. The side frame is provided with a ball screw three with two sections of external threads with opposite directions of rotation. The side frame is provided with a motor seven for driving the ball screw three to rotate. The side frame is slidably connected with two slide blocks two. The slide blocks two are provided with side plates on their sides. The side plates are provided with compressible clamping blocks. The inner side of the clamping blocks is arc-shaped.

7. The ventilation duct assembly equipment according to claim 6, characterized in that, The pressing mechanism includes a vertical frame mounted on a second mounting platform. A fixed rod 2 and a ball screw 4 are mounted on the vertical frame. A motor 8 for driving the ball screw 4 to rotate is mounted on the vertical frame. The mechanism also includes a slide block 3 slidably connected to the guide rod 2. The slide block 3 is threadedly connected to the ball screw 4.

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