Auxiliary equipment and method for sleeving packaging bag under cord thread finished product line

Abstract

The invention relates to the technical field of steel mill wire packaging equipment, and discloses an auxiliary device and method for sleeving a packaging bag under a cord thread finished product line, and the auxiliary device comprises a fixing support used for placing a round-roll-shaped cord thread finished product and a flatcar which is arranged beside the fixing support and can walk in the axial direction of the cord thread finished product. The top face of the fixing support is an arc-shaped face used for being matched with a cord thread finished product, a lifting arm is arranged above the flatcar in the axial direction of the cord thread finished product, a support with the bottom fixedly connected with the flatcar is arranged on the flatcar, a lifting hydraulic cylinder is arranged on one side of the support of the flatcar, one end of the lifting hydraulic cylinder is hinged to the flatcar, and the other end of the lifting hydraulic cylinder is hinged to the lifting arm. After the push rod of the lifting hydraulic cylinder extends out, the part, away from the support, of the lifting arm abuts against the top of the inner hole. The working efficiency when the cord thread finished product is sleeved with the packaging bag can be improved, comprehensive packaging of the outer circle, the inner hole and the end of the cord thread finished product can be achieved, the cord thread finished product is not exposed after being packaged, and therefore the cord thread finished product is comprehensively protected.

Description

Technical Field

[0001] The present invention relates to the technical field of wire packaging equipment in steel mills, and particularly to an auxiliary device and method for sleeving packaging bags on the finished cord products offline. Background Art

[0002] Cord is representative of pure steel and is widely used in automobile tires, hose steel wires, etc.

[0003] At present, the total length of the PF chain in the workshop for producing cord is no more than 500 meters. After the cord finished products are coiled, the temperature cannot be reduced before unloading the coil, so the packaging bags cannot be sleeved online. Especially for some wire rods for export, they need to go through multiple transportation links such as road transportation and shipping after leaving the factory. During transportation, the round coiled cord finished products need to be protected to ensure that the cord finished products are not scratched due to transportation links, and at the same time, to prevent the corrosion damage caused by rainwater to the products.

[0004] Currently, when packaging the cord finished products offline, an electromagnetic crane is usually used to lift the cord finished products onto a crossbeam of a cantilever. After the electromagnetic crane leaves, the packaging bag is sleeved outside the cord finished products. Then, the electromagnetic crane lifts the cord finished products with the packaging bag from the crossbeam, and ties the end opening of the packaging bag to complete the packaging of the cord finished products. Then, the electromagnetic crane lifts away the packaged cord finished products. Therefore, this packaging method requires a large amount of working time of the electromagnetic crane. In addition, when only lifting the cord finished products, it is also necessary for workers to rotate the cord finished products to align the inner hole of the cord finished products with the crossbeam to prevent the end of the crossbeam from hitting the end of the cord finished products, which may cause damage to the cord finished products. The weight of the cord finished products is very large, so this operation method is time-consuming and laborious, with low work efficiency and certain risks.

[0005] This packaging method packs the entire cord finished product in the packaging bag, making the packaged cord finished product form a cylindrical shape as a whole. Since the inner hole of the cord finished product is blocked by the packaging bag, the packaged cord finished product can only be lifted by a special electromagnetic lifting tool, otherwise the packaging bag will be damaged. Usually, due to limited conditions, the general logistics transfer nodes do not have such electromagnetic lifting tools. If a forklift or an ordinary overhead crane is used to forcibly lift, it will only damage the packaging bag, thus destroying the protective performance of the packaging bag. During transportation, since the lifting tool or the fork of the forklift directly contacts the inner hole of the cord finished product, it will scratch a part of the inner hole of the cord finished product. In addition, during transportation, since the packaging bag covers both sides of the cord finished product, similar to a drum skin, the packaging area at the end face of the cord finished product is very large, so it is very easy to be punctured by foreign objects during transportation, resulting in damage, and further affecting the sealing performance of the packaging bag.

[0006] The patent with the publication number CN203624017U discloses a wire coil protection packaging device, and its technical solution is as follows: The composite film woven fabric is wound around the wire coil with the packing belt already tied, the coated film is wound around the outer layer of the composite film woven fabric, the packaging bag is sleeved on the outer layer of the coated film, and the plastic strip is wound around the outer layer of the packaging bag. The utility model uses multiple materials such as packing belt, composite film woven fabric, coated film, inner and outer packaging bags and plastic strips to package the wire coil, which can effectively avoid defects such as loosening, moisture absorption, deformation, damage, oxidation, rust, etc. of the high-speed wire during transportation and normal storage. However, since the packaging bag is wrapped around the outer circle of the wire coil, it can only protect the outside of the wire coil. Since there is no packaging bag at the end and inner hole of the wire coil, it cannot be protected. Summary of the Invention

[0007] The purpose of the present invention is to provide an auxiliary device and method for sleeving a packaging bag under a cord product line. On the premise of packaging and protecting the whole cord product and ensuring operation safety, the working efficiency during packaging is improved, achieving the purpose of saving time and effort.

[0008] To achieve the above purpose, the technical solution adopted by the present invention is:

[0009] An auxiliary device for sleeving a packaging bag under a cord product line includes a fixed support for placing the round coil-shaped cord product and a flat car arranged beside the fixed support and capable of walking along the axial direction of the cord product. The top surface of the fixed support is a circular arc surface for mating with the cord product. Above the flat car, a lifting arm is arranged along the axial direction of the cord product. A support is provided on the flat car and fixedly connected to the bottom thereof. One end of the lifting arm is rotatably connected to the top of the support, and the other end passes through the inner hole of the cord product. A lifting hydraulic cylinder is arranged beside the support on the flat car. One end of the lifting hydraulic cylinder is hinged to the flat car, and the other end is hinged to the lifting arm. After the push rod of the lifting hydraulic cylinder extends, the part of the lifting arm away from the support abuts against the top of the inner hole.

[0010] Further, a traction rod capable of moving axially along the bottom of the lifting arm is provided, and a clamping mechanism is arranged at one end of the traction rod close to the cord product.

[0011] Further, the clamping mechanism includes a clip with the clip mouth facing away from the support connected to the bottom of the traction rod and a driving component arranged on the traction rod for driving the clip to open and close.

[0012] Further, the clip includes a J-shaped lower clip block with the lower end facing away from the support and a zigzag rod rotatably connected to the middle of the lower clip block. The bottom of the lower clip block is horizontal. The zigzag rod includes a horizontal upper clip part close to the lower clip block. A compression spring is arranged between the upper clip part and the upper part of the lower clip block. Under the action of the compression spring, the upper clip part and the lower clip block are clamped to each other.

[0013] Further, the zigzag rod further includes a first unlocking portion and a second unlocking portion that are sequentially and fixedly connected to the side of the upper clamping portion close to the bracket. The first unlocking portion and the second unlocking portion are connected to each other to form a herringbone shape. The driving assembly includes a second bearing disposed above the flat car for hitting the second unlocking portion, and the second bearing is connected to the lifting arm.

[0014] Further, the traction rod is provided with a notch at the end corresponding to the zigzag rod. The notch communicates with the end and the bottom of the traction rod. A 7-shaped manual unlocking rod connected to the traction rod is disposed in the notch. The middle of the manual unlocking rod is rotatably connected to the traction rod. The upper part of the manual unlocking rod is arranged along the axial direction of the traction rod. The upper part of the manual unlocking rod abuts against the top of the notch. The upper end of the manual unlocking rod extends out of the end of the traction rod. The lower end of the manual unlocking rod extends out of the notch and abuts against the upper side of the first unlocking portion; the traction rod is provided with a clamping hole along the radial direction at a position corresponding to the notch.

[0015] Further, driving wheels are disposed on both the upper and lower sides of the end of the traction rod close to the bracket. The traction rod is clamped between the driving wheels. A hydraulic motor for driving the driving wheels on both the upper and lower sides of the traction rod to rotate in opposite directions is disposed on the lifting arm.

[0016] Further, a plurality of pulley groups are arranged on the lifting arm along the axial direction of the traction rod. Each pulley group includes two idler wheels arranged on both sides of the traction rod along the radial direction of the lifting arm. The outer circle of the idler wheel is an arc for cooperating with the traction rod. The traction rod is clamped between the two idler wheels. The idler wheels are all rotatably connected to the lifting arm. The traction rod, the driving wheels, the hydraulic motor, and the pulley groups form a set of traction mechanisms.

[0017] Further, a track is disposed under the flat car. The track is arranged along the axial direction of the cord product. A rack consistent with the axial direction of the cord product is disposed on one side of the track. A reduction motor is fixedly connected to the flat car. A driving gear is fixedly connected to the power output shaft of the reduction motor. The driving gear meshes with the rack.

[0018] A method for sleeving a packaging bag on a cord product line uses the above-mentioned auxiliary equipment for sleeving a packaging bag on a cord product line, and is characterized by including the following steps:

[0019] S1, hoist the cord product onto the fixed support. The reduction motor drives the flat car to approach the cord product, so that the lifting arm passes through the inner hole of the cord product;

[0020] S2, the lifting hydraulic cylinder acts to lift the lifting arm and lift the cord product;

[0021] S3. Flatten the small-diameter end of the packaging bag, press the manual unlocking lever, and rotate the zigzag rod, so that the upper clamping part opens. Then insert this end of the packaging bag into the gap between the upper clamping part and the lower clamping block. Release the manual unlocking lever to clamp this end of the packaging bag between the upper clamping part and the lower clamping block.

[0022] S4. The hydraulic motor in the traction mechanism operates, drives the traction rod to axially move through the transmission wheel, pulls this end of the packaging bag from one side of the cord product to the other side. The second bearing impacts the second unlocking part, drives the zigzag rod to rotate, and makes the upper clamping part open, so that the packaging bag disengages from between the upper clamping part and the lower clamping block.

[0023] S5. Turn outwards the part of the packaging bag exposed outside the cord product, put it on the outside of the cord product. The lifting hydraulic cylinder operates to make the lifting arm drop. Then the reduction motor drives the flatbed away from the cord product and pulls out the lifting arm from the cord product.

[0024] S6. Stick the magic tapes of the adhesive letters on the inner and outer sides of the packaging bag for fitting.

[0025] The positive effects of the present invention are as follows:

[0026] The present invention is provided with a lifting arm, and the lifting arm is provided with a clamping mechanism and a traction mechanism (including a traction rod). The lifting arm lifts the cord product, clamps the packaging bag through the clamping mechanism, and pulls the packaging bag through the traction rod, which can replace manual labor to pull the end of the packaging bag from one side of the cord product to the other side. After the packaging bag is pulled in place, it can automatically disengage from the clamping mechanism, thus achieving the purpose of saving time and effort. Then turn the packaging bag outwards and put it on the outer circle of the cord product. After the adhesive letters on the inner and outer sides of the two ends of the packaging bag are stuck with magic tapes for fitting, the outer circle, inner hole and end of the cord product are comprehensively packaged, so that the cord product has no exposure after packaging, thus comprehensively protecting the cord product. After the cord product is packaged, ordinary lifting equipment or forklifts can be used for transportation only, without using special lifting tools. Description of the Drawings

[0027] Figure 1 is the structural schematic diagram of the present invention;

[0028] Figure 2 is Figure 1 the structural schematic diagram of the clamping mechanism in

[0029] Figure 3 is Figure 1 the sectional view of part A-A in

[0030] Figure 4 is Figure 3 the enlarged view of the part where the idler wheel is located in

[0031] Figure 5 is Figure 2 the top view of the part where the transmission wheel is located in

[0032] Figure 6 is the external view of an integrated packaging bag;

[0033] In the figure:

[0034] 1. Finished cord; 2. Fixed support; 3. Protective pad; 4. Lifting arm; 5. Protective sleeve; 6. Lifting hydraulic cylinder; 7. Rotating shaft; 8. Bracket; 9. Wheel; 10. Rack; 11. Reducing motor; 12. Power output shaft; 13. Driving gear; 14. Track; 15. Flat car; 16. Upper limit travel switch for lifting; 17. Lower limit travel switch for lifting; 18. Oil inlet pipe; 19. Oil return pipe; 20. Hydraulic valve platform; 21. Hydraulic station; 22. Control wire harness; 23. Operating platform; 24. Travel control circuit; 25. Front limit travel switch of flat car; 26. Rear limit travel switch of flat car; 27. Traction rod; 28. Hydraulic motor; 29. Rear limit travel switch for traction; 30. Hanging pulley group; 31. Front limit travel switch for traction; 32. Clamping mechanism; 33. Safety brake block of traction machine; 34. Vertical rib plate; 35. Horizontal rib plate; 36. Drag wheel; 37. Manual unlocking rod; 38. Compression spring; 39. Pin; 40. Upper foot pad; 41. Lower foot pad; 42. Lower clamping block; 43. First pin shaft; 44. First bearing; 45. Second pin shaft; 46. Zigzag rod; 47. Third pin shaft; 48. Positioning hole; 49. Second bearing; 50. Limit rod; 51. Limit hole; 52. Driving gear; 53. Driven gear; 54. Transmission wheel; 55. Integrated packaging bag; 56. Upper clamping part; 57. First unlocking part; 58. Second unlocking part; 59. Notch; 60. Gap; 61. Swing arm. Detailed implementation mode

[0035] For the convenience of description, in the following description, the direction consistent with the axis of the finished cord 1 is "longitudinal", and the direction perpendicular to the axis of the finished cord 1 in the horizontal plane is "transverse".

[0036] Embodiment 1

[0037] As Figure 6 shown, after the integrated packaging bag 55 is opened, it is in a long cylindrical shape, and the diameter of its right part gradually decreases from left to right. As Figures 1 to 6 shown, an auxiliary device for sleeving a packaging bag under a finished cord line includes a fixed support 2 for placing the round roll-shaped finished cord 1 and a flat car 15 that can travel longitudinally arranged to the right of the fixed support 2. The top surface of the fixed support 2 is an arc-shaped surface for cooperating with the finished cord 1, and the axis of the arc-shaped surface is arranged longitudinally. A protective pad 3 is pasted inside the arc-shaped surface, and the material of the protective pad 3 is rubber or other flexible materials to prevent scratching the finished cord 1.

[0038] Above the flatbed 15, a lifting arm 4 is provided along the axial direction of the cord product 1. The lifting arm 4 is made of a hollow steel pipe. A protective sleeve 5 is sleeved on the outer circle of the left part of the lifting arm 4. A vertical support 8 with its bottom fixedly connected is provided on the upper surface of the flatbed 15 near its right side. The right end of the lifting arm 4 is fixedly connected with a transverse rotating shaft 7, and the rotating shaft 7 is rotatably connected through the top of the support 8. The left end of the lifting arm 4 passes through the inner hole of the cord product 1. A lifting hydraulic cylinder 6 is provided beside the support 8 on the flatbed 15. The lower end of the cylinder barrel of the lifting hydraulic cylinder 6 is hinged with the flatbed 15, and the upper end of the push rod of the lifting hydraulic cylinder 6 is hinged with the rear side of the lifting arm 4. After the push rod of the lifting hydraulic cylinder 6 extends upward, the protective sleeve 5 at the left part of the lifting arm 4 abuts against the top of the inner hole of the cord product 1.

[0039] In this embodiment, the working process of the present invention is as follows:

[0040] 1. The electromagnetic crane lifts the cord product 1 onto the fixed support 2, and then the electromagnetic crane disengages from the cord product 1.

[0041] 2. The flatbed 15 moves to the left, driving the lifting arm 4 to move longitudinally to the left, so that the left end of the lifting arm 4 passes through the inner hole of the cord product 1.

[0042] 3. The lifting hydraulic cylinder 6 acts to lift the lifting arm 4 upward, and the lifting arm 4 drives the cord product 1 to rise, so that the cord product 1 disengages from the fixed support 2.

[0043] 4. Pull the right end of the integrated packaging bag 55 and make its right end pass through the inner hole of the cord product 1, and turn the left end of the integrated packaging bag 55 outward so that it is sleeved on the outer circle of the cord product 1 from left to right.

[0044] 5. The lifting hydraulic cylinder 6 acts to place the cord product 1 on the fixed support 2, and then the flatbed moves longitudinally to the right to withdraw the lifting arm 4 from the inner hole of the cord product 1.

[0045] 6. The two ends of the integrated packaging bag 55 are attached together by magic tape (of course, other connection methods can also be used, such as sewing the two ends of the integrated packaging bag 55 together or tying them together with a strap).

[0046] 7. The electromagnetic crane lifts away the cord product 1 with the integrated packaging bag 55 sleeved on it.

[0047] Therefore, during the process of sleeving the integrated packaging bag 55, the electromagnetic crane only needs to be used briefly before and after sleeving the integrated packaging bag 55. During the process of sleeving the integrated packaging bag 55, the electromagnetic crane does not need to be used. When the electromagnetic crane places the finished cord product 1 on the fixed support 2, since the top of the fixed support 2 is arc-shaped, there is no need to accurately position the finished cord product 1. The finished cord product 1 can automatically enter the arc-shaped surface at the top of the fixed support 2. Since the relative positions among the flatbed 15, the lifting arm 4, and the fixed support 2 are fixed, when the flatbed 15 moves longitudinally, it can accurately pass the lifting arm 4 through the finished cord product 1, thus eliminating the need for manual movement of the finished cord product 1 and aligning it with the lifting arm 4, thereby further improving the work efficiency.

[0048] In addition, in the present invention, the integrated packaging bag 55 can completely cover the inner hole, outer circle, and end face of the finished cord product 1. Since there is an inner hole in the packaged finished cord product 1, it is convenient for a forklift or an ordinary lifting tool to pass through the inner hole for hoisting, and the fork claws of the forklift or the lifting tool will not contact the parts inside the inner hole of the finished cord product 1, thereby preventing the finished cord product 1 from being scratched during transportation and hoisting. Since the integrated packaging bag 55 tightly covers the inner hole, outer circle, and end face of the finished cord product 1, the area of the integrated packaging bag 55 covering the two end faces of the finished cord product 1 can be greatly reduced, avoiding the integrated packaging bag 55 from hanging in the air, thereby greatly reducing the probability of the finished cord product 1 being punctured by foreign objects.

[0049] Embodiment 2

[0050] The difference between this embodiment and Embodiment 1 lies in:

[0051] A long strip-shaped notch 60 is provided at the bottom of the lifting arm 4. The notch 60 is arranged longitudinally and penetrates downward through the protective sleeve 5. A vertical rib plate 34 is fixedly connected to the side of the notch 60 inside the lifting arm 4. A round rod-shaped traction rod 27 that can move longitudinally is provided in the notch 60, and a clamping mechanism 32 is provided at the left end of the traction rod 27.

[0052] The clamping mechanism 32 includes a clip with a leftward-facing clamp mouth connected to the bottom of the traction rod 27 and a driving component provided on the traction rod 27 for driving the clip to open and close.

[0053] The clip includes a downward J-shaped lower clamping block 42 with its left end and a zigzag rod 46 rotatably connected to the middle of the lower clamping block 42 through a first pin shaft 43. The upper surface of the bottom of the lower clamping block 42 is horizontal. The zigzag rod 46 includes a horizontal upper clamping part 56 close to the lower clamping block 42. A upper foot pad 40 is attached to the bottom surface of the upper clamping part 56, and a lower foot pad 41 is attached to the top surface of the bottom of the lower clamping block 42. Pins 39 are fixedly arranged at the position of the lower clamping block 42 near the top and at the position of the upper clamping part 56 near the left end. A compression spring 38 is fixedly connected between the two pins 39. Under the action of the compression spring 38, after the upper clamping part 56 and the lower clamping block 42 are clamped to each other, the upper foot pad 40 presses on the lower foot pad 41.

[0054] The zigzag rod 46 further includes a first unlocking part 57 and a second unlocking part 58 fixedly connected to the right side of the upper clamping part 56 in sequence. The first unlocking part 57 and the second unlocking part 58 are connected to form a herringbone shape. The driving assembly includes a second bearing 49 arranged above the flat car. The second bearing 49 is arranged on a vertical rib plate 34 inside the lifting arm 4. Three limiting holes 51 with transverse axes are evenly distributed longitudinally on the vertical rib plate 34. The second bearing 49 is installed on one of the limiting holes 51 through a limiting rod 50 and a nut (due to the different coil lengths of the cord product 1, the limiting rod 50 is inserted into the corresponding limiting hole 51 according to the actual length, so that the present invention can be used for the packaging of cord products 1 of various specifications). When the clamping mechanism 32 moves longitudinally to the right, the second unlocking part 58 hits against the second bearing 49.

[0055] The traction rod 27 is provided with a notch 59 at the end corresponding to the zigzag rod 46. The notch 59 communicates with both the left end and the bottom of the traction rod 27. The driving assembly further includes a 7-shaped manual unlocking rod 37 arranged in the notch 59 and connected to the traction rod 27. The middle of the manual unlocking rod 37 is rotatably connected to the traction rod 27 through a third pin shaft 47. The upper part of the manual unlocking rod 37 is arranged longitudinally. The upper part of the manual unlocking rod 37 abuts against the top of the notch 59. The upper end of the manual unlocking rod 37 extends leftward beyond the left end of the traction rod 27. The lower end of the manual unlocking rod 37 extends out of the notch 59 and is installed with a first bearing 44 through a second pin shaft 45. The outer circle of the first bearing 44 abuts against the upper side of the first unlocking part 57. The traction rod 27 is provided with a clamping hole 48 in the radial direction corresponding to the notch 59. The clamping hole 48 is lower than the upper part of the manual unlocking rod 37.

[0056] On both the upper and lower sides of the end of the drawbar 27 close to the bracket 8, a set of driving wheels 54 are provided. The number of each set of driving wheels 54 is two. The drawbar 27 is clamped between the two sets of driving wheels 54. A hydraulic motor 28 is installed on the vertical rib plate 34 of the lifting arm 4. On the two upper driving wheels 54, driven gears 53 are coaxially and fixedly connected respectively. The driven gears 53 are rotatably connected to the vertical rib plate 34. A driving gear 52 is fixedly connected to the output shaft of the hydraulic motor 28. The two driven gears 53 are respectively engaged with the driving gear 52. The outer circles of the four driving wheels 54 are all arc-shaped surfaces for cooperating with the drawbar 27, and rubbers for increasing the friction force are lined on the arc-shaped surfaces.

[0057] After the right end of the integrated packaging bag 55 is flattened, it can be clamped by a clip. When the hydraulic motor 28 rotates, it drives the driving wheels 54 to rotate, and then pulls the drawbar 27 to the right, so as to replace manual pulling of the right end of the integrated packaging bag 55, thus achieving the purpose of saving time and effort.

[0058] A number of transverse rib plates 35 are longitudinally arranged at intervals in the notch 60 of the lifting arm 4. The transverse rib plates 35 are fixedly connected to the vertical rib plate 34. Three pulley groups 30 are longitudinally arranged in the notch 60. Each pulley group 30 includes two idler wheels 36 symmetrically arranged on both sides of the drawbar 27 along the transverse direction of the lifting arm 4. The outer circle of the idler wheel 36 is arc-shaped for cooperating with the drawbar 27. The drawbar 27 is clamped between the outer circles of the two idler wheels 36. The idler wheels 36 are respectively rotatably connected to the transverse rib plates 35 on the lifting arm 4. Under the action of the idler wheels 36, the drawbar 27 can be guided. When the drawbar 27 moves, due to the gap between the two idler wheels 36, the manual unlocking rod 37, the lower clamping block 42 and the zigzag rod 46 can pass through smoothly. The drawbar 27, the driving wheels 54, the hydraulic motor 28 and the pulley group form a set of traction mechanism.

[0059] Two longitudinal tracks 14 are provided under the flatbed 15. Wheels 9 that can run on the corresponding tracks 14 are rotatably connected to the sides of the flatbed 15 close to the four corners. A longitudinal rack 10 is fixedly connected to the front side of the front track 14. A reduction motor 11 is fixedly connected to the flatbed 15. A driving gear 13 is fixedly connected to the power output shaft 12 of the reduction motor 11. The driving gear 13 is engaged with the rack 10. To prevent the flatbed 15 from tipping over, weights can be placed on the top surface of the flatbed 15.

[0060] The present invention further comprises a hydraulic station 21, an operating console 23 and a hydraulic valve platform 20. The hydraulic station 21 is connected to the hydraulic valve platform 20 through two oil pipes. The lifting hydraulic cylinder 6 is connected to the hydraulic valve platform 20 through an oil inlet pipe 18 and an oil return pipe 19. The hydraulic motor 28 is also connected to the hydraulic valve platform 20 through corresponding oil pipes. The operating console 23 is connected to the hydraulic valve platform 20 through a control wire harness 22 for controlling the hydraulic valve platform 20, and further controlling the operation of the hydraulic motor 28 and the lifting hydraulic cylinder 6. The operating console 23 is connected to the reduction motor 11 through a traveling control circuit 24 for controlling the operation of the reduction motor 11.

[0061] The present invention also comprises a limit system, specifically including:

[0062] 1. A flat car front limit travel switch 25 fixedly connected to the left end of the track 14 and a flat car rear limit travel switch 26 fixedly connected to the right end, used for limiting the position of the flat car 14 when traveling longitudinally;

[0063] 2. A traction front limit travel switch 31 fixedly connected to the left end of the vertical rib plate 34 and a traction rear limit travel switch 29 fixedly connected to the right end of the vertical rib plate 34 along the longitudinal direction, used for cooperating with a bumper fixed on the traction rod 27 to limit the longitudinal position of the traction rod 27 when moving; in addition, a traction machine safety brake block 33 is also fixedly installed at the left end of the vertical rib plate 34. When the left end of the traction rod 27 abuts against the traction machine safety brake block 33, the leftward movement of the traction rod 27 can be blocked, playing a braking role on the traction rod 27;

[0064] 3. A swing arm 61 fixedly connected to the front end of the rotating shaft 7 at one end, and a lifting upper limit travel switch 16 and a lifting lower limit travel switch 17 fixedly connected to the front side of the bracket 8 along the swinging direction of the swing arm 61, used for limiting the lifting height of the lifting arm 4.

[0065] Embodiment 3

[0066] The difference between this embodiment and Embodiment 2 lies in:

[0067] A method for sleeving packaging bags on the finished cord product line uses an auxiliary device for sleeving packaging bags on the finished cord product line in Embodiment 2, including the following steps:

[0068] S1. Lift the finished cord product 1 onto the fixed support 2, drive the flat car 15 to move leftward through the reduction motor 11 of the operating console 23, so that the lifting arm 4 passes through the inner hole of the finished cord product 1. The flat car 15 triggers the flat car front limit travel switch 25, and the flat car 15 stops moving;

[0069] S2. Control the lifting hydraulic cylinder 6 to act through the operating platform 23, lift the lifting arm 4, lift the cord product 1, and separate the bottom of the cord product 1 from the fixed support 2. When the lifting arm 4 rotates, it drives the swing arm 61 to rotate clockwise until the upper limit travel switch 16 for lifting is triggered, and the lifting hydraulic cylinder 6 stops acting;

[0070] S3. Flatten the right end of the integrated packaging bag 55, press the manual unlocking lever 37, make the folding lever 46 rotate clockwise, so that the upper clamping part 56 opens, insert this end of the integrated packaging bag 55 into the gap between the upper foot pad 40 and the lower foot pad 41, release the manual unlocking lever 37, and clamp this end of the integrated packaging bag 55 between the upper foot pad 40 and the lower foot pad 41;

[0071] S4. Control the hydraulic motor 28 to act through the operating platform 23, drive the traction rod 27 to move longitudinally to the right through the transmission wheel 54, pull this end of the integrated packaging bag 55 from the left side of the cord product 1 to the right side, the second bearing 49 impacts the second unlocking part 58, drives the folding lever 46 to rotate, makes the upper clamping part 56 open, and the integrated packaging bag 55 disengages from between the upper clamping part 56 and the lower clamping block 42. After that, the bumper on the traction rod 27 triggers the rear limit travel switch 29 for traction, the hydraulic motor 28 stops acting, and the traction rod 27 stops moving;

[0072] S5. Turn out the part of the integrated packaging bag 55 exposed outside the cord product 1 and put it on the outer circle of the cord product 1. Then control the lifting hydraulic cylinder 6 to act through the operating platform 23, make the lifting arm 4 drop and make the swing arm 61 rotate counterclockwise until the lower limit travel switch 17 for lifting is triggered, put the cord product 1 back on the fixed support 2, then the reduction motor 11 drives the flatbed 15 to move to the right, pull out the lifting arm 4 from the cord product 1, and then the flatbed 15 triggers the rear limit travel switch 26 for the flatbed, and the flatbed 15 stops moving; the operating platform 23 controls the hydraulic motor 28 to run, makes the traction rod 27 move to the left, triggers the front limit travel switch 31 for traction, the hydraulic motor 28 stops running, and the traction rod 27 stops moving, so that the traction rod 27 returns to its original position.

[0073] S6. Sew, tie or bond the two end edges of the integrated packaging bag 55 together through the magic tape on the edge of the integrated packaging bag 55.

[0074] Since the inner hole of the cord product 1 is relatively long, the integrated packaging bag 55 is clamped by the clamping mechanism 32, and the integrated packaging bag 55 is pulled by the traction rod 27, which can replace manual labor to pull the right end of the integrated packaging bag 55 from one side of the cord product 1 to the other side. After the integrated packaging bag 55 is pulled in place, it can automatically disengage from the clamping mechanism 32, so as to achieve the purpose of saving time and effort. By using the present invention, the occupation time of the electromagnetic crane can be significantly reduced, enabling the electromagnetic crane to have more time for other work, thereby improving the utilization rate of the electromagnetic crane.

[0075] A catch ball is installed inside the positioning hole 48. After the manual unlocking lever 37 is pressed down, the ball on the catch ball is pushed, so that the spring at the upper end of the catch ball is compressed. After the manual unlocking lever 37 passes through the catch ball, the ball on the catch ball resets and catches the manual unlocking lever 37. After releasing the hand, the upper clamping part 56 remains open. After the end of the integrated packaging bag 55 is inserted into the gap between the upper foot pad 40 and the lower foot pad 41, the wrist pushes the left end of the manual unlocking lever 37 upward with force, and the manual unlocking lever 37 returns to its original position. Under the action of the compression spring 38, the upper foot pad 40 and the lower foot pad 41 clamp the end of the integrated packaging bag 55.

[0076] Therefore, the clamping of the integrated packaging bag 55 can be achieved with one hand, making the operation more convenient.

[0077] The above embodiments are described in more detail and specifically, expressing the preferred embodiments of the present invention. They are only used to illustrate the technical ideas and features of the present invention. The purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly. However, it is not limited to the present invention. The patent scope of the present invention cannot be limited only by this embodiment. That is, any equivalent changes or modifications made in accordance with the spirit disclosed by the present invention, for researchers or technicians in the field, within the structure of the present invention, local improvements within the system and changes and transformations between subsystems are still within the patent scope of the present invention.

Claims

1. An auxiliary device for sleeving packaging bags on the finished product line of cord, characterized in that, It includes a fixed support (2) for placing the finished circular coiled cord (1) and a flat car (15) arranged beside the fixed support (2) and capable of traveling axially along the cord (1). The top surface of the fixed support (2) is an arc-shaped surface for mating with the cord (1). Above the flat car (15), a lifting arm (4) is arranged axially along the cord (1). A bracket (8) fixedly connected to the bottom thereof is arranged on the flat car (15). One end of the lifting arm (4) is rotatably connected to the top of the bracket (8), and the other end passes through the inner hole of the cord (1). A lifting hydraulic cylinder (6) is arranged beside the bracket (8) on the flat car (15). One end of the lifting hydraulic cylinder (6) is hinged to the flat car (15), and the other end is hinged to the lifting arm (4). After the push rod of the lifting hydraulic cylinder (6) extends, the part of the lifting arm (4) away from the bracket (8) abuts against the top of the inner hole.

2. The auxiliary equipment for sleeving packaging bags offline for the finished cord products according to claim 1, characterized in that, A traction rod (27) capable of moving axially along it is arranged at the bottom of the lifting arm (4). A clamping mechanism (32) is arranged at one end of the traction rod (27) close to the cord (1).

3. An auxiliary device for sleeving packaging bags on finished cord products offline according to claim 2, characterized in that, The clamping mechanism (32) includes a clip with the clip mouth facing away from the bracket (8) connected to the bottom of the traction rod (27) and a driving assembly arranged on the traction rod (27) for driving the clip to open and close.

4. An auxiliary device for sleeving packaging bags on cord finished products offline according to claim 3, characterized in that, The clip includes a J-shaped lower clip block (42) with the lower end facing away from the bracket (8) and a zigzag rod (46) rotatably connected to the middle of the lower clip block (42). The bottom of the lower clip block (42) is horizontal. The zigzag rod (46) includes a horizontal upper clip part (56) close to the lower clip block (42). A compression spring (38) is arranged between the upper clip part (56) and the upper part of the lower clip block (42). Under the action of the compression spring (38), the upper clip part (56) and the lower clip block (42) are clamped to each other.

5. An auxiliary device for sleeving packaging bags on finished cord products offline according to claim 4, characterized in that, The zigzag rod (46) further includes a first unlocking part (57) and a second unlocking part (58) fixedly connected to the side of the upper clip part close to the bracket (8) in sequence. The first unlocking part (57) and the second unlocking part (58) are connected to form a herringbone shape. The driving assembly includes a second bearing (49) arranged above the flat car (15) for hitting the second unlocking part (58). The second bearing (49) is connected to the lifting arm (4).

6. An auxiliary device for sleeving packaging bags on finished cord products offline according to claim 5, characterized in that, The traction rod (27) is provided with a notch (59) at the end corresponding to the zigzag rod (46). The notch (59) communicates with the end and the bottom of the traction rod (27). A 7-shaped manual unlocking rod (37) connected to the traction rod (27) is arranged in the notch (59). The middle part of the manual unlocking rod (37) is rotatably connected to the traction rod (27). The upper part of the manual unlocking rod (37) is arranged along the axial direction of the traction rod (27). The upper part of the manual unlocking rod (37) abuts against the top of the notch (59). The upper end of the manual unlocking rod (37) extends out of the end of the traction rod (27). The lower end of the manual unlocking rod (37) extends out of the notch (59) and abuts against the upper side of the first unlocking part (57). The traction rod (27) is provided with a clamping hole (48) along the radial direction of the traction rod (27) at the position corresponding to the notch (59).

7. An auxiliary device for sleeving packaging bags on cord finished products offline according to claim 2, characterized in that, Both the upper and lower sides of the end of the traction rod (27) close to the bracket (8) are provided with transmission wheels (54). The traction rod (27) is clamped between the transmission wheels (54). A hydraulic motor (28) for driving the transmission wheels (54) on both the upper and lower sides of the traction rod (27) to rotate in the opposite direction is arranged on the lifting arm (4).

8. An auxiliary device for sleeving packaging bags on finished cord products offline according to claim 2, characterized in that, A plurality of pulley groups (30) are arranged on the lifting arm (4) along the axial direction of the traction rod (27). Each pulley group (30) includes two idler wheels (36) arranged on both sides of the traction rod (27) along the radial direction of the lifting arm (4). The outer circle of the idler wheel (36) is an arc for cooperating with the traction rod (27). The traction rod (27) is clamped between the two idler wheels (36). The idler wheels (36) are all rotatably connected to the lifting arm (4).

9. An auxiliary device for sleeving packaging bags on finished cord products offline according to claim 1, characterized in that, A track (14) is arranged under the flat car (15). The track (14) is arranged along the axial direction of the cord product (1). A rack (10) consistent with the axial direction of the cord product (1) is arranged on one side of the track (14). A reduction motor (11) is fixedly connected to the flat car (15). A driving gear (13) is fixedly connected to the power output shaft (12) of the reduction motor (11). The driving gear (13) meshes with the rack (10).

10. A method for sleeving packaging bags on the finished cord products line, characterized in that, When using an auxiliary device for sleeving a packaging bag under a cord product line according to any one of claims 1 to 9, it is characterized by including the following steps: S1, hoist the cord product (1) onto the fixed support (2). The reduction motor (11) drives the flat car (15) to approach the cord product (1) so that the lifting arm (4) passes through the inner hole of the cord product (1). S2, the lifting hydraulic cylinder (6) acts to lift the lifting arm (4) and lift the cord product (1). S3, flatten one end of the integrated packaging bag (55), press the manual unlocking rod (37) to rotate the zigzag rod (46), so that the upper clamping part (56) opens. Then, insert this end of the integrated packaging bag (55) into the gap between the upper clamping part (56) and the lower clamping block (42). Release the manual unlocking rod (37) to clamp this end of the integrated packaging bag (55) between the upper clamping part (56) and the lower clamping block (42). S4. The hydraulic motor (28) operates, driving the traction rod (27) to axially move through the transmission wheel (54), pulling this end of the integrated packaging bag (55) from one side of the cord product (1) to the other side. The second bearing (49) impacts the second unlocking portion (58), driving the zigzag rod (46) to rotate, causing the upper clamping portion (56) to open, and the integrated packaging bag (55) disengages from between the upper clamping portion (56) and the lower clamping block (42). S5. Turn outwards the part of the integrated packaging bag (55) exposed outside the cord product (1), put it on the outside of the cord product (1). The lifting hydraulic cylinder (6) operates to lower the lifting arm (4), and then the reduction motor (11) drives the flat car (15) away from the cord product (1), pulling out the lifting arm (4) from the cord product (1). S6. Tie the two ends of the integrated packaging bag (55) together.

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