Novel shaped steel double winding baling press top thread device

Abstract

The utility model relates to a novel section steel double-winding packing machine top line device, and the top line device is arranged between the bundling head and the transition straight line channel assembly, and is used for ejecting the steel wire from the transition straight line channel assembly, and the top line device comprises a top line support, an oil cylinder assembly, a guide assembly and an upper guide cutting block, the oil cylinder assembly is installed on the upper portion of the top line support, and the guide assembly is installed on the lower portion of the top line support, and the elastic component and the chamfer are matched to enable the pressing plate to be displaced downward along the chamfer and / or turned over within a certain angle range. The utility model has the beneficial effects that: the problem of the steel wire head sagging and running out in the wire feeding process is solved, and the problem of the steel wire being blocked in the transition straight line channel assembly during the wire winding and causing the packing failure is solved, the friction loss of the sliding shaft and the guide block is reduced, the service life of the guide component is prolonged, the hydraulic oil leakage is effectively prevented, the stability of the oil cylinder action is ensured, and the introduction of the die spring provides the turning over of the pressing plate with the buffering and self-resetting capacity, and the component damage caused by the rigid collision is avoided.

Description

Technical Field

[0001] This utility model belongs to the technical field of double-winding baling machine for structural steel, and particularly relates to a novel top wire device for double-winding baling machine for structural steel. Background Technology

[0002] The double-winding baler for structural steel is mainly used for baling steel materials such as reinforcing bars, angle iron, and structural steel in steel mills; for example... Figure 1 As shown, in some double-winding baling machines for steel profiles, the bundling head is located at the angle of the wire path. When winding the wire, the steel wire can directly adhere to the steel to be bundled, so the wire is wound tightly.

[0003] But in such Figure 2 In some of the double-winding baling machines for steel profiles shown, because the steel to be baled is large in volume / wide in shape, a transition straight track assembly must be set up between the wire feeding device and the upper track assembly for transition. When the baling head twists the steel wire, the steel wire is still in the transition straight track assembly, and the steel wire needs to come out from the wire groove of the transition straight track assembly before the steel to be baled can be tightly bound. In addition, during the process of baling and tightening the wire, as the steel wire tightens, the steel wire will scrape against the lower edge of the transition straight track assembly. The steel wire in the transition straight track assembly can only be baled after it is smoothly ejected after twisting, without the steel wire being stuck.

[0004] When feeding wire in a double-winding baler with a transition straight track assembly: the hydraulic motor rotates forward to feed the wire. The baling head has two clamping devices. One clamping device holds the wire end fed to the baling head. The wire first enters the transition straight track assembly through the first wire groove, then enters the upper and lower wire groove assemblies in an arc shape (i.e., the wire wraps around the track once). Multiple guide wheels are closed. After passing through the upper and lower wire groove assemblies, the wire end bends. This bending causes the wire end to bend downwards when feeding the second loop of wire to the second wire groove. The downward-bending wire cannot maintain its original straight state. Instead, it will pass downwards from the second groove; during take-up: multiple guide wheels are opened one by one in the direction of take-up (counterclockwise) by hydraulic drive, pushing the steel wire inwards so that the steel wire adheres to the surface of the steel to be packaged. The hydraulic motor reverses to tighten the excess steel wire so that the steel wire adheres tightly to the steel to be packaged. When the take-up reaches the bundling head, the clamping device two in the bundling head clamps the steel wire (tail) taken up to the bundling head. The remaining part of the steel wire extends into the third groove. The bundling head rotates, twisting the clamped steel wire head and tail into a braid. Then, the two clamping devices are released under the action of the spring. The bundling head is also equipped with a wire cutting device, which cuts the steel wire at the same time as the twisting is completed.

[0005] In summary, existing double-winding balers for profiled steel with transition straight-line assembly have the following drawbacks:

[0006] (1) During the wire feeding process, the end of the packing wire (steel wire) may droop and come out of the second wire groove, resulting in packing failure.

[0007] (2) When the bundling head twists the steel wire, the steel wire is still stuck in the transition straight track assembly. However, the steel wire needs to come out of the groove of the transition straight track assembly and be tightened without scraping the lower edge of the transition straight track assembly in order to bundle the steel to be packaged. Therefore, the packaging failure will also occur. Utility Model Content

[0008] The purpose of this utility model is to overcome the shortcomings of the prior art. In order to overcome the defects of the prior art, such as the drooping of the packing wire end and the leakage from the second wire groove during the wire feeding process, and the steel wire getting stuck in the transition straight track assembly, this utility model provides a new type of top wire device for double-winding steel packing machine located after the twisting unit (bundling head).

[0009] This new type of double-wound steel baler has a top wire device located between the bundling head and the transition straight track assembly. The top wire device is used to push the steel wire out of the transition straight track assembly. The top wire device includes: a top wire support, a hydraulic cylinder assembly, a guide assembly, and an upper guide cutter. The hydraulic cylinder assembly is installed on the upper part of the top wire support, and the guide assembly is installed on the lower part of the top wire support. The piston rod of the hydraulic cylinder assembly faces downward.

[0010] The guide assembly includes a guide block, two sliding shafts and a top connecting plate. The top connecting plate is fixedly connected to the lower end of the cylinder piston rod. The guide block has a through hole. The top of the sliding shaft passes through the through hole on the guide block and is fixedly connected to the top connecting plate. The bottom of the sliding shaft is fixedly connected to the upper guide block.

[0011] The upper guide cutting block is provided with a groove, and the L-shaped pressure plate has a first part and a second part that are perpendicular to each other. The first part of the L-shaped pressure plate is elastically connected to the side of the upper guide cutting block by an elastic member, and the second part of the L-shaped pressure plate extends to cover the groove on the upper guide cutting block that is close to the L-shaped pressure plate.

[0012] The contact area between the upper guide cutter and the pressure plate has a chamfer. The elastic component and the chamfer work together to allow the pressure plate to move downwards along the chamfer and / or flip within a certain angle range. During wire feeding: the piston rod of the hydraulic cylinder on the top wire device remains stationary, and the pressure plate covers the wire track inside the upper guide cutter that is closest to the L-shaped pressure plate. This straightens the wire end, which may have bent after passing through the upper and lower wire track assembly arc tracks, within this track of the L-shaped pressure plate, preventing the wire end of the packaged wire (steel wire) from sagging during the wire feeding process. To prevent the wire from escaping from the second groove and thus avoid packing failure; during wire take-up: the piston rod of the hydraulic cylinder on the top wire device extends downward, driving the sliding shaft and the upper guide cutter to move downward, giving the steel wire passing through the wire channel in the upper guide cutter a pushing force, the pressure plate is subjected to the pressure of the steel wire and flips downward to open, pushing the steel wire out of the wire channel in the upper guide cutter, and the pressure plate flips to a certain angle so that the wire take-up is not affected without scraping the lower edge of the transition straight track assembly, the steel to be packed is tightly bound, and the packing is successful.

[0013] As a preferred option:

[0014] The top line bracket includes a left top line bracket and a right top line bracket; both sides of the hydraulic cylinder assembly are fixedly connected to the upper parts of the left top line bracket and the right top line bracket by fasteners passing through washers;

[0015] The guide assembly is fixedly connected to the lower part of the left and right top line brackets by fasteners passing through washers on both sides;

[0016] The lower end of the cylinder piston rod of the cylinder assembly has a pre-drilled mounting hole, and the guide assembly has a through hole. The top of the cylinder piston rod and the guide assembly are connected by a flexible cylindrical pin. The top connecting plate is fixedly connected to the lower end of the cylinder piston rod by a fastener passing through the mounting hole on the cylinder piston rod.

[0017] As a preferred option:

[0018] The elastic component is a mold spring, and the upper guide cutting block is elastically connected to the pressure plate through the mold spring.

[0019] The grooves on the upper guide cutter include a first groove and a second groove, and the second part of the pressure plate covers the second groove on the upper guide cutter that is close to the L-shaped pressure plate.

[0020] Preferably, a flange copper sleeve is fitted into the through hole on the guide block, and the sliding shaft passes through the flange copper sleeve to fix and connect the top connecting plate and the upper guide cutting block respectively.

[0021] Preferably, the hydraulic cylinder assembly includes a piston rod and a cylinder barrel, with the piston rod extending into the cylinder barrel; a gasket is provided at the connection between the piston rod and the outside of the cylinder barrel; a dust seal is provided at the connection between the piston rod and the inside of the cylinder barrel; a rod seal is provided on the portion of the piston rod extending into the cylinder barrel; a cover is provided at the end of the hydraulic cylinder assembly without the piston rod, and a fixing post is provided on the cover; an extension device is fixedly connected to the end of the piston rod extending into the cylinder barrel by a fixing component; an O-ring rubber seal is provided at the fixed connection between the piston rod and the extension device; a piston is fixedly mounted on the inner wall of the cylinder barrel, and a piston seal is provided between the piston and the piston rod; the extension device is used to drive the piston rod to extend and retract inward and outward.

[0022] The beneficial effects of this utility model are:

[0023] This design specifically addresses the issue of wire ends drooping and slipping out during the wire feeding process. During the feeding stage, the L-shaped pressure plate of the top wire device is flexibly connected to the upper guide block via an elastic component (such as a mold spring), with its second part covering the second wire groove of the upper guide block. When the wire end, bent after passing through the arc-shaped groove, enters this groove, the L-shaped pressure plate provides a limiting constraint on the wire end. The geometric guidance of the groove straightens the bent wire end, preventing it from slipping out of the second groove due to natural drooping or irregular shape. This fundamentally eliminates packaging failures caused by wire end misalignment, significantly improving the stability of the wire feeding process.

[0024] This method effectively solves the problems of wire jamming and failure to eject during take-up: During the take-up phase, the hydraulic cylinder assembly drives the upper guide cutter block to move downwards, achieving precise pushing through the cooperation of the sliding shaft and guide block. At this time, the steel wire applies pressure to the L-shaped pressure plate, causing it to flip along the chamfer (the coordinated design of the chamfer and elastic components ensures that the flipping angle is controllable), allowing the steel wire to be ejected from the wire channel of the upper guide cutter block. This process avoids the problem of the steel wire being stuck in the transition straight track assembly and also prevents the steel wire from scraping against the lower edge of the guide groove by controlling the pushing force, ensuring that the steel wire can smoothly adhere to the surface of the steel to be bundled, ultimately achieving a tight binding effect and solving the problem of tightening failure caused by steel wire jamming.

[0025] The design of the flange copper sleeve being embedded in the guide block through hole reduces the frictional loss between the sliding shaft and the guide block, extending the service life of the guide components. The multiple sealing structures inside the cylinder assembly, including rod seals, O-rings, and piston seals, effectively prevent hydraulic oil leakage and ensure the stability of the cylinder's operation. The introduction of elastic components (mold springs) provides buffering and self-resetting capabilities for the flipping of the pressure plate, avoiding component damage caused by rigid collisions and further improving the reliability of the device in frequent operation scenarios.

[0026] As a key transitional structure between the bundling head and the transition straight track assembly, the top wire device achieves path controllability of the steel wire throughout the entire process from wire feeding to wire take-up through straightening constraints during the wire feeding stage and active pushing during the wire take-up stage. This ensures the morphological stability of the steel wire after the arc track and solves the limitation on wire tightening imposed by the transition straight track assembly, ultimately ensuring that the baling machine can efficiently and stably complete the tight bundling of structural steel, significantly improving baling efficiency. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of a double-wrap baling machine for structural steel with the bundling head located at the angle of the baling line in the prior art;

[0028] Figure 2 This is a schematic diagram of a double-winding baler for profiled steel with a transition straight track assembly, which relates to this utility model.

[0029] Figure 3 A three-dimensional view of the top wire device;

[0030] Figure 4 This is the front view of the top line device;

[0031] Figure 5 Annotated diagram of the clamping device, first to third grooves, and bundling head of a double-wrap baler for assembled steel sections with a transition straight track;

[0032] Figure 6 This is a side view of the top wire assembly;

[0033] Figure 7 This is a bottom view of the top wire assembly;

[0034] Figure 8 A three-dimensional view for guiding assembly;

[0035] Figure 9 A schematic diagram of the individual components for guided assembly;

[0036] Figure 10 The main view for guiding the assembly;

[0037] Figure 11 for Figure 10 Sectional view of surface II;

[0038] Figure 12 Three-dimensional assembly for hydraulic cylinders Figure 1 ;

[0039] Figure 13 Three-dimensional assembly for hydraulic cylinders Figure 2 ;

[0040] Figure 14 Front view of the hydraulic cylinder assembly;

[0041] Figure 15A sectional view of the hydraulic cylinder assembly;

[0042] Figure 16 A schematic diagram of the individual components assembled for the hydraulic cylinder;

[0043] Figure 17 A three-dimensional view of a double-winding baler for steel profiles equipped with a top wire device;

[0044] Figure 18 This is a schematic diagram of a pressure plate that can be flipped and covered along a chamfer within a certain angle range.

[0045] Explanation of reference numerals in the attached drawings: 1. Top line left bracket; 2. Top line right bracket; 3. Hydraulic cylinder assembly; 4. Guide assembly; 5. Fixing component; 6. Washer; 7. First line track; 8. Second line track; 9. Top connecting plate; 10. Elastic cylindrical pin; 11. Upper guide cutting block; 12. Pressure plate; 13. Mold spring; 14. Sliding shaft; 15. Top line device; 16. Base assembly; 17. Cable chain assembly; 18. Electrical assembly; 19. Arc guide plate assembly; 20. Lower line track assembly; 21. Upper line track assembly; 22. Transition straight track assembly; 23. Sensing device. 23. Assembly of twisted joints 24. Assembly of transition straight track 25. Assembly of lifting trolley 26. Assembly of transverse trolley 27. Assembly of wire feeding 28. Flange copper sleeve 29. Guide block 31. Piston rod 32. Cylinder 33. O-ring rubber seal 34. Cover 35. Piston 36. Piston seal 37. Rod seal 38. Dustproof ring 39. Clamping device one 40. Clamping device two 41. First wire groove 42. Second wire groove 43. Third wire groove 44. Bundling head 45. Chamfer 46. Detailed Implementation

[0046] The present invention will be further described below with reference to embodiments. The description of the embodiments below is only for the purpose of helping to understand the present invention. It should be noted that for those skilled in the art, several modifications can be made to the present invention without departing from the principle of the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

[0047] As one example, such as Figures 2 to 18 As shown, a novel steel double-winding baling machine top wire device is disclosed. The top wire device 15 is located between the bundling head 45 and the transition straight track assembly 25. The top wire device 15 is used to push the steel wire out of the transition straight track assembly 25. The top wire device 15 includes: a top wire left support 1, a top wire right support 2, a hydraulic cylinder assembly 3, a guide assembly 4, and an upper guide cutting block 11. The upper parts of the top wire left support 1 and the top wire right support 2 are fixedly connected on both sides of the hydraulic cylinder assembly 3 through fixing parts 5 passing through washers 6. The lower parts of the top wire left support 1 and the top wire right support 2 are fixedly connected on both sides of the guide assembly 4 through fixing parts 5 passing through washers 6. The hydraulic cylinder piston rod of the hydraulic cylinder assembly 3 faces downward.

[0048] The guide assembly 4 includes a guide block 31, two sliding shafts 14, and a top connecting plate 9. The lower end of the cylinder piston rod of the cylinder assembly 3 has a pre-drilled mounting hole. The guide assembly 4 has a through hole. The cylinder piston rod and the top of the guide assembly 4 are connected by an elastic cylindrical pin 10. The top connecting plate 9 is fixedly connected to the lower end of the cylinder piston rod through the mounting hole on the cylinder piston rod by a fastener 5. The guide block 31 has a through hole. The top of the sliding shaft 14 passes through the through hole on the guide block 31 and is fixedly connected to the top connecting plate 9. The bottom of the sliding shaft 14 is fixedly connected to the upper guide cutting block 11. A flange copper sleeve 29 is embedded in the through hole on the guide block 31. The sliding shaft 14 passes through the flange copper sleeve 29 and is fixedly connected to the top connecting plate 9 and the upper guide cutting block 11 respectively.

[0049] The hydraulic cylinder assembly 3 includes a piston rod 32 and a cylinder 33. The piston rod 32 extends into the cylinder 33. A gasket 6 is provided at the connection between the piston rod 32 and the outside of the cylinder 33. A dustproof ring 39 is provided at the connection between the piston rod 32 and the inside of the cylinder 33. A rod seal ring 38 is provided on the part of the piston rod 32 that extends into the cylinder 33. A cover 35 is provided on the end of the hydraulic cylinder assembly 3 where the piston rod 32 is not located. A fixing post is provided on the cover 35. An extension device is fixedly connected to the end of the piston rod 32 that extends into the cylinder 33 by a fixing member 5. An O-ring rubber seal 34 is provided at the fixed connection between the piston rod 32 and the extension device. A piston 36 is fixedly provided on the inner wall of the cylinder 33. A piston seal ring 37 is provided between the piston 36 and the piston rod 32. The extension device is used to drive the piston rod 32 to extend and retract inside and outside the piston 36.

[0050] The upper guide cutting block 11 is provided with a groove, and the L-shaped pressure plate 12 has a first part and a second part that are perpendicular to each other. The first part of the L-shaped pressure plate 12 is elastically connected to the side of the upper guide cutting block 11 by a mold spring 13. The groove on the upper guide cutting block 11 includes a first groove 7 and a second groove 8. The second part of the pressure plate 12 covers the second groove 8 on the upper guide cutting block 11 that is close to the L-shaped pressure plate 12.

[0051] The contact area between the upper guide cutting block 11 and the pressure plate 12 has a chamfer 46. The mold spring 13 and the chamfer 46 cooperate to allow the pressure plate 12 to move downward along the chamfer 46 and / or rotate within a certain angle range. During wire feeding: the piston rod of the hydraulic cylinder on the top wire device remains stationary, and the pressure plate covers the wire track inside the upper guide cutting block that is close to the L-shaped pressure plate. This straightens the wire end, which has bent after passing through the upper and lower wire track assembly arc tracks, in the wire track of the L-shaped pressure plate, thus preventing the wire from being bundled during the wire feeding process. To prevent the steel wire from drooping and snagging out of the second wire groove, the following measures are taken: During wire take-up: The piston rod of the hydraulic cylinder on the top wire device extends downward, driving the sliding shaft and the upper guide cutter to move downward, giving the steel wire passing through the wire channel in the upper guide cutter a pushing force. The pressure plate is subjected to the pressure of the steel wire and flips downward to open, pushing the steel wire out of the wire channel in the upper guide cutter. The pressure plate is also flipped to a certain angle so that the wire take-up is not affected without scraping the lower edge of the transition straight track assembly, and the steel to be packaged is tightly bound, thus successfully packaging the wire.

[0052] The novel double-winding baler for steel profiles using the top wire device 15 designed in this utility model also includes a base assembly 16, a drag chain assembly 17, an electrical assembly 18, an arc guide plate assembly 19, a lower wire guide assembly 20, an upper wire guide assembly 21, a transition straight wire guide assembly 22, an induction assembly 23, a twisting assembly 24, a transition straight wire guide assembly 25, a lowering trolley assembly 26, a transverse moving trolley assembly 27, and a wire feeding assembly 28.

[0053] The top-line device 15 designed in this utility model has the following characteristics: During wire feeding: the piston rod of the hydraulic cylinder on the top-line device remains stationary, and the pressure plate covers the wire channel near the L-shaped pressure plate in the upper guide cutting block. This straightens the wire end, which has bent after passing through the arc-shaped wire channels such as the upper and lower wire channels, in the wire channel of the L-shaped pressure plate, thus preventing the wire end of the packing wire (steel wire) from drooping and running out of the second wire groove during the wire feeding process, and preventing packing failure. During wire take-up: the piston rod of the hydraulic cylinder on the top-line device extends downward, driving the sliding shaft and the upper guide cutting block to move downward, giving the steel wire passing through the wire channel in the upper guide cutting block a pushing force. The pressure plate is subjected to the pressure of the steel wire and flips downward to open, pushing the steel wire out of the wire channel in the upper guide cutting block. The pressure plate is also flipped to a certain angle so that the take-up is not affected without scraping the lower edge of the transition straight wire channel assembly, and the steel material to be packed is tightly bound, thus successfully packing the wire.

Claims

1. A novel top-line device for a double-wound steel baling machine, wherein the top-line device (15) is located between the baling head (45) and the transition straight track assembly (25), characterized in that, The top wire device (15) is used to push the steel wire out of the transition straight track assembly (25). The top wire device (15) includes: a top wire bracket, a hydraulic cylinder assembly (3), a guide assembly (4), and an upper guide cutting block (11). The hydraulic cylinder assembly (3) is installed on the upper part of the top wire bracket, and the guide assembly (4) is installed on the lower part of the top wire bracket. The piston rod of the hydraulic cylinder assembly (3) faces downward. The guide assembly (4) includes a guide block (31), a sliding shaft (14) and a top connecting plate (9). The top connecting plate (9) is fixedly connected to the lower end of the cylinder piston rod. The guide block (31) has a through hole. The top of the sliding shaft (14) passes through the through hole on the guide block (31) and is fixedly connected to the top connecting plate (9). The bottom of the sliding shaft (14) is fixedly connected to the upper guide block (11). The upper guide cutting block (11) is provided with a line track, and the L-shaped pressure plate (12) has a first part and a second part that are perpendicular to each other. The first part of the L-shaped pressure plate (12) is elastically connected to the side of the upper guide cutting block (11) by an elastic member, and the second part of the L-shaped pressure plate (12) extends to cover the line track on the upper guide cutting block (11) that is close to the L-shaped pressure plate (12). The upper guide cutter (11) has a chamfer (46) at the contact point with the pressure plate (12). The elastic component and the chamfer (46) cooperate to allow the pressure plate (12) to move downward along the chamfer (46) and / or flip within a certain angle range.

2. The top wire device of the novel double-winding baler for steel profiles according to claim 1, characterized in that: The top line bracket includes a top line left bracket (1) and a top line right bracket (2); the upper parts of the top line left bracket (1) and the top line right bracket (2) are fixedly connected by fasteners (5) passing through washers (6) on both sides of the cylinder assembly (3); The guide assembly (4) is fixedly connected to the lower parts of the top line left bracket (1) and the top line right bracket (2) by fasteners (5) passing through washers (6) on both sides; The lower end of the cylinder piston rod of the cylinder assembly (3) is provided with an installation hole, and the guide assembly (4) is provided with a through hole. The top of the cylinder piston rod and the guide assembly (4) are connected by an elastic cylindrical pin (10). The top connecting plate (9) is fixedly connected to the lower end of the cylinder piston rod by passing through the installation hole on the cylinder piston rod through a fastener (5).

3. The top wire device of the novel double-winding baler for steel profiles according to claim 2, characterized in that: The elastic component is a mold spring (13), and the side of the upper guide cutting block (11) is elastically connected to the pressure plate (12) through the mold spring (13). The upper guide cutter (11) has a first line (7) and a second line (8), and the second part of the pressure plate (12) covers the second line (8) on the upper guide cutter (11) near the L-shaped pressure plate (12).

4. The top wire device of the novel double-winding baler for steel profiles according to claim 3, characterized in that: A flange copper sleeve (29) is fitted into the through hole on the guide block (31), and the sliding shaft (14) passes through the flange copper sleeve (29) to fix the top connecting plate (9) and the upper guide cutting block (11) respectively.

5. The top wire device of the novel double-winding baler for steel profiles according to claim 1, characterized in that: The hydraulic cylinder assembly (3) includes a piston rod (32) and a cylinder (33), with the piston rod (32) partially extending into the cylinder (33); a gasket (6) is provided at the connection between the piston rod (32) and the outside of the cylinder (33); a dustproof ring (39) is provided at the connection between the piston rod (32) and the inside of the cylinder (33); a rod sealing ring (38) is provided on the portion of the piston rod (32) extending into the cylinder (33); and a cover (35) is provided at the end of the hydraulic cylinder assembly (3) where the piston rod (32) is not located. The cover (35) is provided with a fixed post, and the end of the piston rod (32) that extends into the cylinder (33) is also fixedly connected to the extension device by a fixing member (5). The fixed connection between the piston rod (32) and the extension device is also provided with an O-ring rubber seal (34). The inner side wall of the cylinder (33) is also fixedly provided with a piston (36), and a piston seal (37) is also provided between the piston (36) and the piston rod (32). The extension device is used to drive the piston rod (32) to extend and retract inside and outside the piston (36).

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