Rope hooking device of packing machine

By designing an automated rope-hooking device, the mechanical linkage between rope hooking and cutting of the baling machine was realized, solving the problems of low accuracy and low efficiency caused by manual operation, and improving production efficiency and safety.

CN121106841APending Publication Date: 2025-12-12SHANDONG HAINA MASCH EQUIP GRP CO LTD
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Patent Information

Application Number
CN202511215194.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-28
Publication Date
2025-12-12

AI Technical Summary

Technical Problem

The existing baling machines rely on manual operation for the rope hooking and cutting processes, resulting in low accuracy, low efficiency, and significant safety hazards. Furthermore, they cannot coordinate with other machine actions, thus affecting production efficiency.

Method used

An automated rope-hooking device was designed, comprising a rope-hooking assembly and a return-hooking assembly. Through mechanical linkage, it achieves automatic rope hooking, return-hooking, and cutting, replacing manual operation and ensuring the accuracy of rope positioning and the strength of binding.

Benefits of technology

It improves the automation level of rope hooking, reduces the intensity of manual labor, increases production efficiency and equipment utilization, ensures the accuracy of rope position and the stability of binding, and avoids safety hazards.

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Abstract

The invention belongs to the technical field of packer rope hooking, and discloses a packer rope hooking device which comprises a welding frame. A rope hooking assembly is installed on the surface of the welding frame and comprises a plurality of rope hooking rods slidably connected into through holes formed in the surface of the welding frame, connecting plates installed at the tail ends of the rope hooking rods, a driving mechanism used for driving, a rope penetrating supporting wheel, a hydraulic cylinder, a rope shearing device and a first rope hooking wheel. A back-hooking assembly is installed on the surface of the welding frame, and the back-hooking assembly comprises a frame body slidably connected to the other side of the welding frame and a back-pulling frame slidably connected to the surface of the frame body. And manual rope hooking and cutting are avoided, the packaging automation is greatly improved, and the equipment utilization rate and the production efficiency are greatly improved.
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Description

Technical Field

[0001] This invention belongs to the field of rope hooking technology for baling machines, specifically a rope hooking device for baling machines. Background Technology

[0002] A baling device is a piece of equipment used to compress, shape, and secure loose materials (such as waste paper, plastics, and scrap metal). It typically consists of a conveyor, hopper, main compression cylinder, rope mechanism, and cutter. Through coordinated mechanical actions, it compresses the material into bales of predetermined dimensions and secures them with ropes (such as high-strength rope) for easy storage, transportation, and subsequent processing. Its core function is to achieve volume reduction and standardized packaging of materials, and it is widely used in waste recycling, warehousing and logistics, and manufacturing industries.

[0003] In the rope-hooking process, due to the lack of an automated rope-hooking mechanism, after the bale block reaches the set length and the main cylinder stops operating, operators need to manually hook the gold rope to the designated position. During this process, the accuracy of manual rope hooking is difficult to guarantee, easily leading to rope position deviations, which in turn result in weak subsequent binding and loosening of the bale block during handling. Moreover, the speed of manual rope hooking depends entirely on the operator's skill and reaction time. In high-intensity production environments, operators are prone to fatigue, further reducing rope-hooking efficiency and causing the equipment to wait for extended periods during the rope-hooking stage, severely impacting the overall packaging rhythm.

[0004] In the cutting stage, existing packaging devices that cannot automatically cut ropes typically require manual cutting with tools. Manual cutting is not only slow but also inaccurate, potentially resulting in ropes that are too long or too short. Leaving ropes too long wastes rope and increases production costs; leaving them too short may lead to insufficient binding strength, affecting the stability of the bales. Furthermore, manual cutting operations within the equipment's operating area pose safety hazards, as there is a risk of injury from moving parts.

[0005] Furthermore, since both hooking and cutting rely on manual labor, these two steps cannot effectively coordinate with other actions of the equipment, making it difficult to quickly enter the next packaging cycle, which significantly reduces equipment utilization and production efficiency.

[0006] Therefore, a rope hook device for baling machines is proposed to address the above problems. Summary of the Invention

[0007] To address the problems mentioned in the background art, the present invention provides a rope hooking device for a packing machine, which can automatically hook the gold rope and cut it after hooking, avoiding manual hooking and cutting, greatly improving the automation of packing, and significantly increasing the utilization rate and production efficiency of the equipment.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a rope hooking device for a baling machine, comprising a welded frame;

[0009] The surface of the welding frame is equipped with a rope hook assembly, which includes multiple rope hook rods slidably connected in through holes on the surface of the welding frame, a connecting plate installed at the tail end of the rope hook rods, a drive mechanism for driving, a rope threading roller, a hydraulic cylinder, a rope cutter, and a rope hook wheel.

[0010] The surface of the welding frame is equipped with a hook assembly, which includes a frame body slidably connected to the other side of the welding frame, a pull-back bracket slidably connected to the surface of the frame body, a hydraulic cylinder connecting support plate, a hook rod, a bracket connecting cover, a spiral compression spring, and a second hook rope wheel for hooking.

[0011] Preferably, the drive mechanism is mounted on the surface of the welding frame and connected to the connecting plate; multiple rope-threading rollers are evenly rotated and connected to the surface of the welding frame; the hydraulic cylinder is mounted on the upper surface of the welding frame; the rope cutter is located on the other side of the welding frame; and the telescopic end of the hydraulic cylinder is connected to the rope cutter; and the rope-hooking wheel is rotatably connected to the rope-hooking groove opened on the surface of the rope-hooking rod.

[0012] Preferably, the drive mechanism includes a drive motor, a toothed drive sprocket, a chain, and a driven sprocket;

[0013] The drive motor is mounted on the outer side of the welding frame. The toothed drive sprocket is rotatably connected inside the welding frame. The output end of the drive motor passes through the welding frame and is connected to the toothed drive sprocket. The driven sprocket is rotatably connected inside the welding frame. The chain is wound between the toothed drive sprocket and the driven sprocket. The chain is connected to the connecting plate through a clamping seat.

[0014] Preferably, a rope-blocking support rod is installed on the surface of the welding frame.

[0015] Preferably, the bracket connecting cover is connected to the pull-back frame by screws, and multiple hook rope wheels are evenly installed on the side of the bracket connecting cover near the welded frame. The spiral compression spring is sleeved on the surface of the frame body, with one end connected to the frame body and the other end connected to the pull-back frame.

[0016] Preferably, the second hook wheel is rotatably connected to the hook groove opened on the surface of the hook rod.

[0017] Preferably, the hydraulic cylinder connecting support plate is installed on the other side of the frame body, and the frame body is connected to the welded frame through the hydraulic cylinder.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] 1. This invention forms a complete automated rope-hooking system by setting up a rope-hooking component. This structure realizes the mechanical linkage of rope-hooking actions, replacing the traditional manual rope-hooking, greatly reducing the intensity of manual labor. At the same time, through the standardized integration of components, it improves the compatibility between the rope-hooking device and the overall packaging machine, laying a structural foundation for subsequent automated collaborative operations.

[0020] 2. This invention incorporates a hook-back component, which serves as a key structure in conjunction with the rope hook component to achieve rope tensioning and stable binding. This component enables precise control of the hook-back action, allowing the hook-back operation to be reliably completed after the rope hook component has hooked the rope. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the structure of the drive mechanism and welding frame of the present invention;

[0023] Figure 3 This is a schematic diagram of the drive mechanism of the present invention;

[0024] Figure 4 This is a schematic diagram of the planar structure of the hook component of the present invention;

[0025] Figure 5 This is a three-dimensional structural diagram of the hook component of the present invention;

[0026] Figure 6 This is a schematic diagram of the hook rod and hook wheel of the present invention.

[0027] In the diagram: 1. Welded frame; 2. Rope hook assembly; 21. Rope hook rod; 22. Connecting plate; 23. Drive mechanism; 231. Drive motor; 232. Toothed drive sprocket; 233. Chain; 234. Driven sprocket; 24. Rope threading roller; 25. Hydraulic cylinder; 26. Rope cutter; 27. Rope hook wheel one; 28. Rope blocking support rod; 3. Return hook assembly; 31. Frame body; 32. Return pull frame; 33. Hydraulic cylinder connecting support plate; 34. Return hook rod; 35. Bracket connecting cover; 36. Helical compression spring; 37. Rope hook wheel two. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] like Figures 1 to 6 As shown, the present invention provides a rope hooking device for a baling machine, including a welded frame 1;

[0030] The surface of the welding frame 1 is equipped with a rope hook assembly 2. The rope hook assembly 2 includes multiple rope hook rods 21 that are slidably connected to the through holes in the surface of the welding frame 1, a connecting plate 22 installed at the tail end of the rope hook rods 21, a drive mechanism 23 for driving, a rope threading roller 24, a hydraulic cylinder 25, a rope cutter 26, and a rope hook wheel 27.

[0031] The drive mechanism 23 is installed on the surface of the welded frame 1 and connected to the connecting plate 22. Multiple rope-threading rollers 24 are evenly rotated and connected to the surface of the welded frame 1. The hydraulic cylinder 25 is installed on the upper surface of the welded frame 1. The rope cutter 26 is set on the other side of the welded frame 1, and the telescopic end of the hydraulic cylinder 25 is connected to the rope cutter 26. The rope hooking wheel 27 is rotatably connected to the rope hooking groove opened on the surface of the rope hooking rod 21. By integrating the rope hooking assembly 2, composed of the rope hooking rod 21, the connecting plate 22, the drive mechanism 23, etc., and the return hooking assembly 3, composed of the frame body 31, the return pull frame 32, the return hooking rod 34, etc., on the welded frame 1, a complete automated rope hooking system is formed. This structure realizes the mechanical linkage of rope hooking and rope pulling actions, replacing the traditional manual rope hooking, greatly reducing the intensity of manual labor. At the same time, through the standardized integration of components, the compatibility between the rope hooking device and the overall packaging machine is improved, laying a structural foundation for subsequent automated collaborative operations.

[0032] The drive mechanism 23 includes a drive motor 231, a toothed drive sprocket 232, a chain 233, and a driven sprocket 234;

[0033] The drive motor 231 is mounted on the outer side of the welded frame 1. The toothed drive sprocket 232 is rotatably connected inside the welded frame 1. The output end of the drive motor 231 passes through the welded frame 1 and is connected to the toothed drive sprocket 232. The driven sprocket 234 is rotatably connected inside the welded frame 1. The chain 233 is wound between the toothed drive sprocket 232 and the driven sprocket 234. The chain 233 is connected to the connecting plate 22 through a clamping seat. This transmission structure, consisting of the drive motor 231, the toothed drive sprocket 232, the chain 233, and the driven sprocket 234, offers advantages over traditional hydraulic or pneumatic drives, including high transmission efficiency, fast response, and precise position control. The connection between the chain 233 and the connecting plate 22 through the clamping seat ensures stable power transmission, preventing the hook rod 21 from jamming or shifting during movement, thus guaranteeing the accuracy of the hook position and improving the reliability of the hook action.

[0034] The surface of the welded frame 1 is equipped with a rope-blocking support rod 28, which can limit the movement of the gold rope. During the process of the rope being pulled by the hook rod 21, it effectively prevents the rope from deviating from the preset path or getting tangled in other parts, reducing the failure of hooking the rope or equipment failure caused by rope deviation, and further ensuring the smoothness of the hooking process.

[0035] The surface of the welding frame 1 is equipped with a hook assembly 3. The hook assembly 3 includes a frame body 31 that is slidably connected to the other side of the welding frame 1, a pull-back bracket 32 ​​that is slidably connected to the surface of the frame body 31, a hydraulic cylinder connecting support plate 33 for hooking, a hook rod 34, a bracket connecting cover 35, a spiral compression spring 36, and a hook rope wheel 37.

[0036] The bracket connecting cover 35 is connected to the pullback frame 32 by screws. Multiple hook rope wheels 37 are evenly installed on the side of the bracket connecting cover 35 near the welded frame 1. A spiral compression spring 36 is sleeved on the surface of the frame body 31, with one end connected to the frame body 31 and the other end connected to the pullback frame 32. The screw connection between the bracket connecting cover 35 and the pullback frame 32 facilitates the disassembly and maintenance of the components. The even distribution of multiple hook rope wheels 37 improves the force balance of the rope during hooking. The elastic effect of the spiral compression spring 36 enhances the flexibility and adaptability of the pullback frame 32, ensuring a smoother and more reliable hooking and rope pulling process.

[0037] The second hook pulley 37 is rotatably connected to the hook groove opened on the surface of the hook rod 34. During the hooking process, the pulley can rotate with the movement of the rope, converting sliding friction into rolling friction, which greatly reduces the wear on the gold rope, while reducing the resistance during hooking, making the hooking action smoother and preventing the rope from breaking due to excessive friction.

[0038] The hydraulic cylinder connecting support plate 33 is installed on the other side of the frame body 31. The frame body 31 is connected to the welded frame 1 through the hydraulic cylinder. The hydraulic cylinder connecting support plate 33 provides a stable installation base for the hydraulic cylinder, ensuring the effective transmission of the hydraulic cylinder driving force. The frame body 31 is connected to the welded frame 1 through the hydraulic cylinder. By utilizing the characteristics of large driving force and smooth operation of the hydraulic cylinder, the overall precise movement of the hook assembly 3 is realized, ensuring the accuracy of the hook position, and thus improving the coordination between the hook and the rope assembly 2.

[0039] Among them, the hydraulic cylinder 25, the drive mechanism 23 and the rope cutter 26 are existing technologies, and their working principles are well-known technologies. The appropriate model is selected according to the actual use.

[0040] Working principle and process: During the operation of the rope hooking device of the baling machine, each component works in real time with the main control system of the baling device through sensors to realize automated rope hooking, retraction and rope cutting operations.

[0041] When the main cylinder of the packaging device completes the compression of the bale and the sensor detects that the length of the bale has reached the set value, the main cylinder stops at the front limit and the control system sends a start signal to the hook rope device. At this time, the hook rope assembly 2 starts to work.

[0042] The drive motor 231 in the drive mechanism 23 starts, driving the toothed active sprocket 232 to rotate. The passive sprocket 234 is linked by the chain 233. The chain 233 pushes the connecting plate 22 through the clamping seat, causing multiple hook rods 21 to slide out along the through holes on the surface of the welded frame 1. The sensor monitors the position of the hook rods 21 in real time. When the hook wheel 27 reaches the preset hook position, the drive mechanism 23 stops, and the hook wheel 27 hooks the gold rope through the hook groove.

[0043] After the rope is hooked, the sensor sends a signal to the control system, the drive mechanism 23 runs in reverse, the hook rod 21 retracts, and at the same time the rope support wheel 24 assists in supporting the rope to prevent it from deviating. The gold rope moves with the hook rod 21 under the traction of the hook wheel 27. The rope blocking support rod 28 limits the rope to prevent it from deviating from the preset path.

[0044] At this time, the hook assembly 3 is activated: the frame body 31 slides along the other side of the welded frame 1 and approaches the rope under the drive of the oil cylinder. The sensor detects the position of the frame body 31. When it reaches the designated position, the pull-back bracket 32 ​​slides along the frame body 31 under the drive of the oil cylinder connecting support plate 33. The hook wheel 37 on the hook rod 34 hooks the rope through the hook groove.

[0045] At the same time, the spiral compression spring 36 is compressed, and the spiral compression spring 36 cooperates with the guide rod and other components on the frame body 31 to provide buffering and compensation. The bracket connecting cover 35 is fixed to the pull-back bracket 32 ​​by screws to ensure the stability of the pull-back hook 34.

[0046] After the hook assembly 3 hooks the rope, the pull-back bracket 32 ​​slides in the opposite direction under the elastic force of the spiral compression spring 36 and the drive of the hydraulic cylinder, tightening the gold rope to the set degree. The sensor monitors the rope pulling force in real time to ensure that the preset binding strength is achieved. Subsequently, the control system sends a command to the hydraulic cylinder 25, and the telescopic end of the hydraulic cylinder 25 pushes the rope cutter 26 to move. After the sensor confirms that the rope cutter 26 is in the initial position, the rope cutter 26 quickly cuts the gold rope. After the cutting is completed, the sensor sends a feedback signal, and the hook assembly 2 and the hook assembly 3 reset, waiting for the next packing cycle. At the same time, the main control system automatically or manually controls the main cylinder to retract according to the set mode to enter the next working process.

[0047] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rope hooking device for a baling machine, including a welded frame (1); Its features are: The surface of the welding frame (1) is equipped with a rope hook assembly (2). The rope hook assembly (2) includes multiple rope hook rods (21) that are slidably connected in through holes on the surface of the welding frame (1), a connecting plate (22) installed at the tail end of the rope hook rods (21), a drive mechanism (23), a rope threading roller (24), a hydraulic cylinder (25), a rope cutter (26), and a rope hook wheel (27). The surface of the welding frame (1) is equipped with a hook assembly (3). The hook assembly (3) includes a frame body (31) slidably connected to the other side of the welding frame (1), a pull-back bracket (32) slidably connected to the surface of the frame body (31), a hydraulic cylinder connecting support plate (33), a hook rod (34), a bracket connecting cover (35), a spiral compression spring (36), and a hook rope wheel (37).

2. The baling machine rope hook device according to claim 1, characterized in that: The drive mechanism (23) is installed on the surface of the welding frame (1) and connected to the connecting plate (22). Multiple rope-threading rollers (24) are evenly rotated and connected to the surface of the welding frame (1). The hydraulic cylinder (25) is installed on the upper surface of the welding frame (1). The rope cutter (26) is located on the other side of the welding frame (1), and the telescopic end of the hydraulic cylinder (25) is connected to the rope cutter (26). The first hook wheel (27) is rotatably connected to the hook groove opened on the surface of the hook rod (21).

3. The baling machine rope hooking device according to claim 1, characterized in that: The drive mechanism (23) includes a drive motor (231), a toothed drive sprocket (232), a chain (233), and a driven sprocket (234); The drive motor (231) is installed on the outer side of the welding frame (1), the toothed drive sprocket (232) is rotatably connected inside the welding frame (1), the output end of the drive motor (231) passes through the welding frame (1) and is connected to the toothed drive sprocket (232), the driven sprocket (234) is rotatably connected inside the welding frame (1), the chain (233) is wound between the toothed drive sprocket (232) and the driven sprocket (234), and the chain (233) is connected to the connecting plate (22) through the clamping seat.

4. The baling machine rope hook device according to claim 1, characterized in that: The surface of the welding frame (1) is fitted with a rope-blocking support rod (28).

5. The baling machine rope hook device according to claim 1, characterized in that: The bracket connecting cover (35) is connected to the pull-back frame (32) by screws. Multiple hook pulleys (37) are evenly installed on the side of the bracket connecting cover (35) near the welded frame (1). The spiral compression spring (36) is sleeved on the surface of the frame body (31), with one end connected to the frame body (31) and the other end connected to the pull-back frame (32).

6. The baling machine rope hooking device according to claim 1, characterized in that: The second hook wheel (37) is rotatably connected to the return groove opened on the surface of the return hook rod (34).

7. The baling machine rope hooking device according to claim 1, characterized in that: The hydraulic cylinder connecting support plate (33) is installed on the other side of the frame body (31), and the frame body (31) is connected to the welded frame (1) through the hydraulic cylinder.