CN218806822U - A steel coil circumferential packing equipment - Google Patents

Abstract

The utility model provides a steel coil circumferential packaging equipment, comprising: a steel coil packaging rotating transport device, which is used to wind the packaging belt on the outside of the steel coil to be processed; a steel coil packaging belt welding device, which is used for welding and packaging The belt and the steel coil to be processed; the steel coil packaging belt delivery device, which is used to deliver the packaging belt to the steel coil packaging and rotating transport device; the steel coil packaging belt feeding device, which is used to deliver the packaging belt to the steel coil packaging belt delivery device. The utility model has beneficial effects: the packing belt is wound on the circumferential outer side of the steel coil to be processed, and the head and tail of the packing belt are respectively welded and fixed with the tongue and tail of the steel coil. The thick packing belt itself has high strength, and the welding and fixing method is more firm, so that the packing quality of the steel coil is reliable. .

Description

A steel coil circumferential packing equipment

technical field

The utility model belongs to the technical field of steel coil packaging, in particular to a circumferential packaging equipment for steel coils.

Background technique

As an important raw material in the steel processing industry, hot-rolled narrow strip steel has increasingly strong market demand. The hot-rolled narrow strip steel production line rolls the steel billet into a strip steel that meets the size requirements, and then coils the finished strip steel into a steel coil through a vertical coiler, and the product is delivered in the form of a steel coil. In order to smoothly finish and collect steel coils and ensure the safety of steel coil transportation, it is necessary to pack the steel coils after the coiling is completed. The quality of the packaging affects the production efficiency of the downstream processes of the production line and the transportation of steel coils. stability.

The existing steel coil packaging equipment adopts the core-through packaging form or the circumferential packaging form. The thickness of the special steel belt for finished product packaging is less than 1.2mm. The prior art of thick packing belts cannot realize the winding and tightening of packing belts, and when adopting thicker packing belts, the fixing method of head and tail clips is used, and the connection strength at the clips is low. The packing belt with a thickness of less than 1.2mm has limited strength, and the clip-type fixing method has poor stability. The packed steel coil often breaks or trips during the downstream process or transportation process, resulting in loose coils. It affects the normal production rhythm and wastes manpower and material resources.

Utility model content

In view of this, the utility model aims to propose a steel coil circumferential packaging equipment, in order to solve at least one of the above-mentioned partial technical problems.

In order to achieve the above object, the technical solution of the utility model is achieved in that:

A circumferential packaging equipment for steel coils, comprising:

Steel coil packaging and rotating transport device, which is used to wrap the packing belt on the outside of the steel coil to be processed;

Steel coil packing belt welding device, which is used for welding the packing belt and the steel coil to be processed;

A steel coil packaging belt delivery device, which is used to deliver the packaging belt to the steel coil packaging and rotating transport device;

The steel coil packing belt feeding device is used to deliver the packing belt to the steel coil packing belt feeding device.

Further, the steel coil packaging and rotating transportation device includes a frame, two sets of conveying rollers arranged side by side, the set of conveying rollers includes a plurality of conveying rollers, and the conveying rollers are rotatably connected to the frame, and the two sets of conveying rollers are respectively Correspondingly, there is a driving assembly for driving the rotation of the conveying rollers in the conveying roller sets, and a conveying channel is formed on the two conveying roller sets;

Each set of conveying rollers is correspondingly provided with a clamping component, and a clamping position for clamping the steel coil to be processed is formed between the two clamping components;

The clamping assembly includes a clamping mounting plate, a clamping cylinder, two clamping rollers that are rotatably connected to the clamping mounting plate, the shell of the clamping cylinder is fixedly connected to the frame, and the output shaft of the clamping cylinder Hinged with clamping mounting plate;

The distance between the axes of the two pinch rollers is smaller than the diameter of the steel coil to be processed;

The frame is fixed with a guide rod arranged along the moving direction of the clamping installation plate, and the clamping installation plate is fixed with a linear bearing matching the guide rod, and the guide rod is installed inside the linear bearing;

The height of the clamping roller is greater than the height of the steel coil to be processed;

Both the conveying roller and the clamping roller are structural parts made of wear-resistant steel;

The transmission rollers in the transmission roller group are provided with gears, and the gears of adjacent transmission rollers are meshed through connecting gears. The transmission roller group includes a transmission roller group one and a transmission roller group two, and the drive assembly includes a motor one, a motor Two, the output shaft of the motor one is fixed with a transmission gear one, and the transmission gear one meshes with the gear on the transmission roller in the transmission roller group one;

The output shaft of the first motor is fixed with a transmission roller, the transmission roller is connected to the frame in rotation, the transmission gear two is fixed on the transmission roller, and the transmission gear two is connected with the transmission roller in the transmission roller group two. gears meshing.

Further, the steel coil strapping welding device includes a welding base, a welding assembly, and a pinch wheel, the pinch wheel is rotatably connected to a pinch rod, and the pinch rod is movably connected to the welding base, and the welding The assembly can be connected to the welding base in a movable manner. The welding assembly is correspondingly equipped with a welding linear drive assembly that drives the welding assembly to move, and the pressing rod is correspondingly provided with a pressing linear motion assembly that drives the pressing rod to move. The welding assembly Consistent with the moving direction of the compression rod;

The welding linear drive assembly is a welding drive cylinder, the shell of the welding drive cylinder is hinged to the welding base, and the output shaft of the welding drive cylinder is hinged to the welding assembly;

A pressing guide block is fixed on the pressing rod, a guiding bottom plate is fixed on the welding base, guiding side plates are fixed on both sides of the guiding bottom plate, and a guiding top plate is fixed on the top of the guiding side plate. A compression guide channel matching the compression guide block is formed between the bottom plate, the top plate and the two side plates, and the guide block is installed inside the guide channel;

The bottom plate, the top plate, and the two side plates are fixed with a pressing slide plate on the end faces adjacent to the guide channel, and the pressing slide plate is a structural member made of nylon;

Welding guide blocks are fixed on both sides of the welding assembly, two corresponding inverted L-shaped guide plates are fixed on the welding base, and welding guide blocks are formed between the welding base and the two inverted L-shaped guide plates. A matching welding guide channel, the welding guide block is installed on the inside of the welding guide channel, and the welding base and the inverted L-shaped guide plate are fixed on the end faces of the welding guide channel adjacent to the welding guide channel. The welding slide plate is made of nylon structural parts.

Further, the axis of the pressing wheel is set perpendicular to the welding base, and the side wall of the pressing wheel is provided with a pressing annular groove, and the depth of the pressing annular groove is less than the thickness of the packing belt. The width of the compression ring groove matches the width of the packing belt;

The welding assembly is a resistance welding machine, and the resistance welding machine includes two welding torches, the height of the two welding torches is the same, and they are respectively located on both sides of the axis of the pinch wheel;

A limit plate is fixed on the welding assembly, a limit mounting seat is fixed on the welding base, threaded holes are opened on the limit mounting seat, and limit bolts are correspondingly provided on the limit plate. The bolt is threaded on the limit mounting seat;

The stud of the limit bolt is limited to the limit plate, and the end of the stud adjacent to the limit plate is fixed with a buffer;

The welding base is provided with a position sensor 1 and a position sensor 2. The position sensor corresponds to the position of the limit plate in the contracted state of the welding assembly, and the position sensor 2 corresponds to the position of the limit plate in the extended state of the welding assembly. corresponding to the position;

An adjustment plate is fixed on the welding base, and a strip-shaped through hole is opened on the adjustment plate along the moving direction of the welding assembly, and the position sensor 2 is connected to the inside of the strip-shaped through hole which can be moved.

Further, the steel coil circumferential packing equipment also includes a packing tape guiding device, the packing tape guiding device includes a guiding base, two side guide plates arranged in parallel, the bottom ends of the two side guide plates are fixedly connected to the guiding base, A packing tape guide channel is formed between the two side guide plates, one end of the packing tape guide channel corresponds to the discharge port of the packing tape feeding device, and the other end corresponds to the side wall of the steel coil to be processed;

The guide base is provided with vertical guide wheels, and the vertical guide wheels are rotatably connected with the guide base. The number of the vertical guide wheels is multiple, and they are evenly arranged along the length direction of the side guide plates. The side of the vertical guide wheels The side guide plate protruding from the wall is close to the end face of the guide channel of the packing belt, and each two vertical guide wheels are correspondingly arranged to form a guide wheel group; a roller guide channel is formed between the two vertical guide wheels of each guide wheel group;

The roller guide channel of each said guide wheel set is correspondingly provided with a flat guide wheel set, and the flat guide wheel set includes two flat guide wheels. Between them, one of the flat guide wheels is fixedly connected to the guide base in rotation, and the other said flat guide wheel is connected to the flat guide mounting plate in rotation. The guide mounting plate is provided with an adjustment hole, and the guide base is fixed with a mounting plate. screw, the installation screw runs through the adjustment hole, and the installation screw is correspondingly provided with two adjustment nuts, and the adjustment nuts are threadedly connected with the installation screw, and clamp the guide installation plate;

One end of the side guide plate adjacent to the strap feeding device is bent outward to form an inclined plate, a trapezoidal guide channel is formed between the two inclined plates, and a cover plate is fixed on the two inclined plates.

Further, the steel coil strapping and feeding device includes:

A belt length detection component, the belt length detection component detects the moving length of the packing belt;

A tape cutting assembly, which cuts the packing tape;

A clamping assembly, the clamping assembly clamps the packing belt, and drives the packing belt to move to the cutting assembly;

The tensioning assembly is used for clamping the packing belt so as to generate tension in the packing belt between the tensioning assembly and the clamping assembly, and the belt length detection assembly is installed between the clamping assembly and the tensioning assembly.

Further, the pinch assembly includes an active pinch roller and a driven pinch roller corresponding to the active pinch roller, and the active pinch roller is correspondingly provided with a pinch rotation drive assembly that drives the active pinch roller to rotate, The driven pinch roller is rotatably connected to the pinch slide plate, and the pinch slide plate is correspondingly provided with a pinch linear motion component that drives the slide plate to move linearly;

A clamping position for clamping the packing belt is formed between the active pinch roller and the driven pinch roller;

The pinch rotation drive assembly is a motor, the housing of the motor is fixedly connected to the belt feeding base, and the output shaft of the motor is fixedly connected to the active pinch roller;

The linear motion feeding component is a cylinder, the housing of the cylinder is hinged to the belt feeding base, and the output shaft of the cylinder is hinged to the pinch slide;

The side wall of the active pinch roller is fixed with a pinch annular boss, and the side wall of the driven pinch roller is provided with a pinch annular groove matching the pinch annular boss. A clamping position for clamping the packing belt is formed between the boss and the pinch annular groove;

Anti-slip lines are provided on the outer surfaces of the pinch annular boss and the pinch annular groove;

The tensioning assembly includes a movable tensioning roller and two fixed tensioning rollers, the fixed tensioning roller is rotatably connected to the belt feeding base, the movable tensioning roller is rotatably connected to a tensioning slide plate, and the tensioning slide plate corresponds to There is a tensioning linear motion component that drives the tensioning slide to move linearly, and the tensioning slide is movably connected to the belt feeding base;

The two fixed tension rollers are arranged perpendicular to the belt feeding base, and the movable tension roller corresponds to the position of the gap between the two fixed tension rollers;

The tensioning linear motion assembly includes a tensioning screw, a tensioning nut matching the tensioning screw, the tensioning nut is fixedly connected to the belt feeding base, and the tensioning screw is installed in cooperation with the tensioning nut;

One end of the tension screw is fixed with a tension limit disc, the diameter of the tension limit disc is larger than the diameter of the tension screw, and the other end is fixed with a handle, and the tension slide plate has a A limit slot matching the tension limit disc, the tension limit disc is installed inside the limit slot;

The side walls of the movable tension roller and the fixed tension roller are provided with a tension ring groove matching the packing belt, and the width of the tension ring groove matches the width of the packing belt;

Further, the belt shearing assembly includes a fixed shearing edge and a movable shearing edge, the fixed shearing edge is fixedly connected to the belt feeding base, and the movable shearing edge is correspondingly provided with a linear movement assembly for driving the movable shearing edge to move linearly;

The strip-cutting linear motion component is a hydraulic cylinder, the housing of the hydraulic cylinder is fixedly connected to the belt-feeding base, and the output shaft of the hydraulic cylinder is fixedly connected to the movable shear blade through the strip-cutting slide plate;

A working position for cutting the packing belt is formed between the fixed shear blade and the movable shear blade;

The blades of the fixed scissors are arranged perpendicular to the belt feeding base, the blades of the movable scissors are arranged obliquely, and the angle between the blades of the movable scissors and the fixed scissors is 1°-4°;

The height of the fixed shear blade and the movable shear blade is greater than the width of the packing belt;

There is a gap between the side wall of the fixed cutting edge adjacent to the moving cutting edge and the moving cutting edge, and the width of the gap is 0.2mm-0.3mm;

The belt length detection assembly includes a detection roller and a top tension roller, and the detection roller is rotatably connected to the belt feeding base; the detection roller is correspondingly provided with an encoder, and the housing of the encoder is fixedly connected to the belt feeding base. The output shaft of the encoder is arranged coaxially with the detection roller, and is fixedly connected with the detection roller;

The clamping roller is rotatably connected to the detection slide, the base is fixed with a guide rail, and the detection slide is movably connected to the guide rail, and the detection slide is correspondingly equipped with a detection linear motion component that drives the detection slide to move in the direction of the guide rail;

A clamping position for clamping the packing belt is formed between the detection roller and the top roller;

The detection linear motion assembly includes a detection lead screw and a detection nut matched with the detection lead screw, the detection nut is fixedly connected to the belt feeding base, and the detection lead screw is installed in cooperation with the detection nut;

A handle is fixed at one end of the detection screw, and the detection screw corresponds to the position of the detection slide;

A clamping plate is provided between the detection slide plate and the detection linear motion assembly, and a guide hole is opened on the clamping plate, and a clamping guide rod is provided in the guide hole, and the clamping guide rod passes through the guide hole and the Detect the threaded fixed connection of the slide plate;

A compression spring is provided between the detection slide plate and the clamping plate, and the compression spring is installed on the outside of the clamping guide rod;

The end of the detection lead screw away from the handle is fixed with a detection limit disc, the diameter of the detection limit disc is larger than the diameter of the detection lead screw, and the top fastening plate is fixed with a detection limit disc. Corresponding to the rotating block, the rotating block is provided with a rotating groove corresponding to the detection limit disk, and the detection limit disk is installed inside the rotation groove;

Anti-slip lines are formed on the side walls of the detection roller and the top tension roller.

Further, the steel coil packing belt feeding device includes a turntable, a feeding base, and a feeding tray. The turntable is rotatably connected to the feeding base. A positioning boss matching the center hole of the packing tape roll is fixed, and a plurality of positioning blocks are fixed on the positioning boss, and threaded holes corresponding to the inner wall of the packing tape roll are opened on the positioning block. The inner wall of the tape coil is correspondingly provided with jacking bolts, and the jacking bolts are threadedly connected with the positioning block, and the jacking bolts are pressed against the inner wall of the packing tape roll;

The turntable is rotatably connected to the feeding base through a bearing, the turntable is fixedly connected to the outer ring of the bearing, and the base is fixedly connected to the inner ring of the bearing;

The outer ring of the bearing is provided with a brake disc, and the feed base is fixed with a brake corresponding to the brake disc. The brake includes two correspondingly arranged brake pads, and the two brake pads A brake clamping position is formed between them, and the brake disc is installed between two brake pads, and the brake pads are correspondingly provided with a drive assembly that drives the brake pads to move and clamp the brake disc;

The brake disc is a structural part made of wear-resistant steel;

The bottom end of the feeding tray is provided with a circular mounting groove, and the upper end of the turntable is provided with a circular mounting boss matching the circular mounting groove. The circular mounting groove and the feeding disk are arranged on the same axis. The circular installation boss is installed on the inner side of the circular installation groove, the circular installation boss is arranged on the same axis as the turntable, and the positioning boss is arranged on the same axis as the feeding plate;

The turntable is provided with a plurality of connecting bolts,

An annular connecting plate is fixed on the feeding tray, and a limiting groove matching the connecting bolt is opened on the side wall of the annular connecting plate. One end of the connecting bolt is hinged with the turntable, and the other end is installed inside the limiting groove. The end of the connecting bolt away from the turntable is provided with a connecting nut, and the connecting nut is threadedly connected with the connecting bolt, and the connecting nut tightens the ring-shaped connecting plate.

A plurality of connecting bolts are uniformly arranged axially along the axis of the turntable;

The number of the feeding trays is multiple, and has multiple models, and the diameters of the positioning bosses of different models are different, which is suitable for packing tape rolls with different inner diameters.

Compared with the prior art, a steel coil circumferential packaging device described in the utility model has the following beneficial effects:

(1) In the circumferential packaging equipment for steel coils described in the utility model, the packing belt is wound on the circumferential outer side of the steel coil to be processed, and the head and tail of the packing belt are respectively welded and fixed to the tongue and tail of the steel coil, and the thick packing belt itself has high strength. The welding fixing method is more firm, so that the quality of steel coil packing is reliable.

Description of drawings

The accompanying drawings constituting a part of the utility model are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 is a schematic diagram of the three-dimensional structure of the packaging equipment described in the embodiment of the present invention;

Fig. 2 is the three-dimensional structural schematic diagram of the packaged steel coil described in the embodiment of the present invention;

Fig. 3 is a schematic diagram of the three-dimensional structure of the transportation device described in the embodiment of the present invention;

Fig. 4 is a schematic diagram of the three-dimensional structure of the transport device in use according to the embodiment of the present invention;

Fig. 5 is a side view partial cross-sectional structural schematic diagram of the transportation device described in the embodiment of the present invention;

Fig. 6 is a schematic structural diagram of the clasping assembly described in the embodiment of the present invention.

7 is a schematic diagram of the three-dimensional structure of the welding device described in the embodiment of the present invention;

Fig. 8 is a schematic diagram of the local structure at K in Fig. 7 described in the embodiment of the present invention;

Fig. 9 is a schematic diagram of a side view sectional structure of the welding device described in the embodiment of the present invention;

Fig. 10 is a schematic diagram of the three-dimensional structure of the belt feeding device described in the embodiment of the present invention;

Fig. 11 is a schematic diagram of the three-dimensional structure of the tensioning assembly described in the embodiment of the present invention;

Fig. 12 is a schematic diagram of the three-dimensional structure of the belt length detection assembly described in the embodiment of the present invention;

Fig. 13 is a schematic cross-sectional structure diagram of the belt length detection assembly described in the embodiment of the present invention;

Fig. 14 is a schematic diagram of the structure at A in Fig. 13 described in the embodiment of the present invention;

Fig. 15 is a schematic diagram of the three-dimensional structure of the pinch assembly described in the embodiment of the present invention;

Fig. 16 is a schematic diagram of the three-dimensional structure of the tape cutting assembly described in the embodiment of the present invention;

Fig. 17 is a top view and a side view structural schematic diagram of the fixed scissors and the movable scissors described in the embodiment of the utility model;

Fig. 18 is a schematic diagram of the three-dimensional structure of the packing belt guiding device described in the embodiment of the present invention;

Fig. 19 is a schematic cross-sectional structure diagram of the packing belt guiding device described in the embodiment of the present invention;

Fig. 20 is a schematic structural diagram of the top view of the packing belt guide device described in the embodiment of the present invention;

Fig. 21 is a schematic diagram of a partial cross-sectional structure of the feeding device described in the embodiment of the present invention;

Fig. 22 is a schematic cross-sectional structure diagram of the feeding device described in the embodiment of the present invention;

Fig. 23 is a schematic diagram of the partial structure at M in Fig. 21 described in the embodiment of the present invention;

Fig. 24 is a schematic diagram of a local structure at N in Fig. 21 according to an embodiment of the present invention.

Explanation of reference signs:

1. Steel coil packaging and rotating transportation device; 2. Steel coil packaging belt welding device; 3. Packaging belt guiding device; 4. Steel coil packaging belt feeding device; 5. Steel coil packaging belt feeding device; 6. Packaging belt; 7 , steel coil to be processed; 8, packing tape roll; 101, frame; 102, transmission roller group one; 103, transmission roller group two; 104, motor one; 105, motor two; 106, transmission roller; 107, holding cylinder 108, clamping roller; 109, guide rod; 110, linear bearing; 111, clamping mounting plate; 201, welding base; 202, welding assembly; 203, pressing wheel; 204, welding linear drive assembly; 205, pressing Tight linear motion assembly; 206, welding guide block; 207, pressing guide block; 208, pressing rod; 209, limit mounting seat; 210, limit bolt; 211, buffer; 212, adjustment plate; 213, position Sensor one; 214, position sensor two; 215, limit plate; 216, inverted L-shaped guide plate; 217, bottom plate; 218, side plate; 219, top plate; 220, pressing slide plate; 221, welding slide plate; 20201 , Welding gun; 20301, Compression ring groove; 21201, Strip through hole; 301, Feeding base; 302, Tensioning component; 303, Belt length detection component; 304, Pinch delivery component; , fixed tension roller; 30202, movable tension roller; 30203, tension screw; 30204, tension slide; 30205, tension nut; 30206, tension ring groove; 30207, tension limit disc; 30301 , detection roller; 30302, top tension roller; 30303, encoder; 30304, detection slide plate; 30305, detection screw; 30306, top tension plate; 30307, detection limit disc; 30308, detection nut; 30309, compression spring; 30310, top tight guide rod; 30401, driven pinch roller; 30402, active pinch roller; 30403, pinch annular groove; 30404, pinch annular boss; 30405, pinch slide plate; 30406, pinch linear motion Components; 30407, rotating drive assembly; 30501, fixed shear blade; 30502, movable shear blade; 30503, shear belt slide plate; 30504, shear belt linear motion component; 401, guide base; 402, side guide plate; 405, vertical guide wheel; 403, flat guide wheel; 404, mounting screw; 406, inclined plate; 407, cover plate; 408, adjusting nut; 501, feeding tray; 502, feeding base; 503, bearing; 504, positioning block; 505, top 506, brake disc; 507, brake; 508, turntable; 509, connecting bolt; 510, ring connecting plate; 511, connecting nut; 50101, positioning boss; 501001, limit groove.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

In describing the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention. Novel and simplified descriptions do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the utility model. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, a feature defined as "first", "second", etc. may expressly or implicitly include one or more of that feature. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. A disassembled connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention through specific situations.

The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

As shown in Figure 1 to Figure 2, a steel coil circumferential packaging equipment, including:

Steel coil packaging and rotating transport device 1, which is used to wrap the packing belt 6 on the outside of the steel coil 7 to be processed;

Steel coil packing belt 6 welding device 2, which is used for welding the packing belt 6 and the steel coil 7 to be processed;

Steel coil packing belt delivery device 4, which is used to deliver packing belt 6 to steel coil packing rotating transport device 1;

The steel coil packing belt 6 feeding device 5 is used to deliver the packing belt 6 to the steel coil packing belt delivery device 4 .

As shown in Figures 3 to 6, the steel coil packaging and rotating transport device 1 includes a frame 101 and two sets of conveying rollers arranged side by side. The conveying roller set includes a plurality of conveying rollers. The groups are respectively equipped with driving components that drive the rotation of the transmission rollers in the transmission roller group, and the transmission channel is formed on the two transmission roller groups; each transmission roller group is correspondingly provided with a holding component, and a clamp is formed between the two holding components. Close to the clamping position of the steel coil 7 to be processed.

The clamping assembly includes a clamping mounting plate 111, a clamping cylinder 107, two clamping rollers 108 that are rotatably connected to the clamping mounting plate 111, the housing of the clamping cylinder 107 is fixedly connected with the frame 101, and the output of the clamping cylinder 107 The shaft is hinged to the clamping mounting plate 111 .

The distance between the axes of the two clamping rollers 108 is smaller than the diameter of the steel coil 7 to be processed.

The frame 101 is fixed with a guide rod 109 arranged along the moving direction of the clamping mounting plate 111. The clamping mounting plate 111 is fixed with a linear bearing 110 matching the guide rod 109. The guide rod 109 is installed inside the linear bearing 110. The linear bearing 110 plays a guiding role during the movement of the clamping mounting plate 111 .

The height of the clamping roller 108 is greater than the height of the steel coil 7 to be processed, which can clamp the full-size steel coil, thus ensuring the clamping effect.

Both the transmission roller and the pinch roller 108 are structural parts made of wear-resistant steel. The transmission roller and the pinch roller 108 made of wear-resistant steel have good wear resistance and prolong the service life of the device.

The transmission rollers in the transmission roller group are provided with gears, and the gears of the adjacent transmission rollers are meshed through the connecting gears to realize the synchronous rotation of the transmission rollers in the same direction. Comprising a motor one 104 and a motor two 105, the output shaft of the motor one 104 is fixedly provided with a transmission gear one, and the transmission gear one meshes with the gear on the transmission roller in the transmission roller group one 102;

The output shaft of motor one 105 is fixedly provided with transmission roller 106, and transmission roller 106 is connected with frame 101 in rotation, and transmission roller 106 is fixedly provided with transmission gear two, and transmission gear two meshes with the gear on the transmission roller in transmission roller group two 103 .

Working process of steel coil packaging and rotating transport device 1:

Conveying steel coil workflow:

Motor 1 104 drives the conveyor rollers in conveyor roller set 1 102 to rotate, motor 2 105 drives the conveyor rollers in conveyor roller set 2 103 to rotate, the two rotate in the same direction, conveyor roller set 1 102 and conveyor roller set 2 103 undertake upstream transportation The steel coil conveyed by the roller table continues to convey the steel coil downstream, or the steel coil is conveyed to the central position of the steel coil packaging and rotating transport device 1, and waits for packaging.

Coil tightening workflow:

After the steel coil is transported to the central position of the steel coil packaging and rotating transport device 1, the output shaft of the clamping cylinder 107 is extended to push the two clamping mounting plates 111 to move toward each other, so that the clamping rollers on the two clamping mounting plates 111 108 holds the steel coil 7 to be processed tightly, and controls the first motor 104 and the second motor 105 to rotate in the opposite direction. At this time, the transmission rollers in the first transmission roller group 102 and the second transmission roller group 103 rotate in opposite directions, driving the steel coil 7 to be processed to rotate, Under the clamping action of the four clamping rollers 108, the outer ring of the steel coil is tightened. The outer ring of the steel coil can be tightened to make the packed steel coil more firm.

Winding and tightening the strapping 6 workflow:

After the head of the packing belt 6 is welded to the tongue and tail of the steel coil 7 to be processed, the output shaft of the clamping cylinder is extended to push the two clamping mounting plates 111 to move toward each other, so that the clamping rollers 108 on the two clamping mounting plates 111 Embrace the steel coil 7 to be processed tightly, and control the first motor 104 and the second motor 105 to rotate in reverse. During the rotation of the steel coil, the pinch roller 108 presses the packing belt 6 brought in by the steel coil against the outer circle side of the steel coil to make it closely fit. With the rotation of the steel coil, the packing belt 6 is tightly wound on the steel coil. outside of the roll circumference. It can realize the winding and tightening of the thick packing belt 6 with a thickness of 2mm-3mm in the steel coil packing process, and improve the steel coil packing quality.

By adjusting the direction of rotation of motor one 104 and motor two 105, the direction of rotation of the conveying rollers in the conveying roller group one 102 and the conveying roller group two 103 is controlled to be the same or opposite, so that the transportation or rotation of the steel coil 7 to be processed can be realized, and the arrangement of the device is more convenient. It is compact and can be seamlessly connected with the steel coil conveying roller line to realize the conveying and rotation of steel coils.

As shown in Figures 7 to 9, the welding device 2 for the steel coil packing belt 6 includes a welding base 201, a welding assembly 202, and a pinch wheel 203, and the pinch wheel 203 is rotatably connected with a pinch rod 208, and the pinch rod 208 can move The connection with the welding base 201, the welding assembly 202 can be connected with the welding base 201, the welding assembly 202 is correspondingly equipped with a welding linear drive assembly 204 that drives the welding assembly 202 to move, and the pressing rod 208 is correspondingly provided with driving the pressing rod 208 to move The pressing linear motion assembly 205 of the welding assembly 202 is consistent with the moving direction of the pressing rod 208 .

The welding linear driving assembly 204 is a welding driving cylinder, the housing of the welding driving cylinder is hinged to the welding base 201 , and the output shaft of the welding driving cylinder is hinged to the welding assembly 202 . The compression linear motion component 205 is a compression cylinder, the casing of the compression cylinder is fixedly connected with the welding base 201 , and the output shaft of the compression cylinder is fixedly connected with the compression rod 208 .

The compression rod 208 is fixedly provided with a compression guide block 207, the welding base 201 is provided with a guide base plate 217, the two sides of the guide base plate 217 are provided with a guide side plate 218, and the top of the guide side plate 218 is provided with a guide top plate. 219, a pressing guide channel matching the pressing guide block 207 is formed between the bottom plate 217, the top plate 219 and the two side plates 218, and the pressing guide block 207 is installed inside the pressing guide channel. The compression guide channel plays a guiding role during the movement of the compression rod 208, making the movement process of the compression rod 208 more stable.

The bottom plate 217, the top plate 219, and the two side plates 218 are fixed with a compression slide plate 220 on the end faces adjacent to the guide channel. The compression slide plate 220 is a structural member made of nylon, and the compression slide plate 220 made of nylon has good wear resistance. The service life of the device is extended, and the smooth surface reduces the resistance of the pressing guide block 207 to move.

Welding guide blocks 206 are fixed on both sides of the welding assembly 202, and two corresponding inverted L-shaped guide plates 216 are fixedly provided on the welding base 201, forming and welding between the welding base 201 and the two inverted L-shaped guide plates 216. The guide block 206 matches the welding guide channel, and the welding guide block 206 is installed inside the welding guide channel, and the welding guide channel plays a guiding role in the process of moving the welding assembly 202, making the moving process of the pressure welding assembly 202 more stable.

The end faces of the welding base 201 and the inverted L-shaped guide plate 216 adjacent to the welding guide channel are fixed with a welding slide plate 221, and the welding slide plate 221 is a structural member made of nylon. The welded slide plate 221 made of nylon has good wear resistance, prolongs the service life of the device, and the smooth surface reduces the resistance of the pressing guide block 207 to move.

The axis of the pressing wheel 203 is arranged vertically to the welding base 201, and the side wall of the pressing wheel 203 is provided with a pressing annular groove 20301. The depth of the pressing annular groove 20301 is less than the thickness of the packing belt 6, and the pressing annular groove The width of 20301 matches the width of packing belt 6. Annular groove has played a positioning effect to packing belt 6, prevents packing belt 6 from offsetting.

The welding assembly 202 is a resistance welding machine, and the resistance welding machine includes two welding torches 20201 , the height of the two welding torches 20201 is the same, and they are respectively located on both sides of the axis of the pressing wheel 203 .

The welding assembly 202 is fixed with a limit plate 215, and the welding base 201 is fixed with a limit mounting seat 209. There are threaded holes on the limit mounting seat 209, and the limit plate 215 is correspondingly provided with a limit bolt 210. The limit mounting seat 209 is threaded. The limit bolt 210 plays a role in limiting the movement of the welding assembly 202 to prevent the welding assembly 202 from being damaged. The stud of the limit bolt 210 is limited to the limit plate 215, and an end of the stud near the limit plate 215 is fixed with a buffer 211, and the buffer 211 has played a buffering role to prevent the limit bolt 210 from knocking the limit plate 215 , making the positioning process more stable and reducing the shaking of the welding assembly 202 .

The welding base 201 is provided with a position sensor 1 and a position sensor 2. The position sensor corresponds to the position of the limit plate 215 in the contracted state of the welding assembly 202, and the position sensor 2 corresponds to the position of the limit plate 215 in the extended state of the welding assembly 202. An adjustment plate 212 is fixed on the welding base 201, and a strip-shaped through hole 21201 arranged along the moving direction of the welding assembly 202 is opened on the adjustment plate 212. Adjust the position of position sensor two.

Working process of steel coil packing belt 6 welding device 2:

In the packing process of each steel coil, it is necessary to weld the strap 6 twice, the head of the strap 6 is welded for the first time, and the tail of the strap 6 is welded for the second time. The specific working process of the packing belt 6 welding device is as follows:

Step 1, when the head of the packing belt 6 reaches the welding position, the output shaft of the compression cylinder is stretched, and the pressing wheel 203 is pushed to move in the direction of the steel coil, and the pressing wheel 203 presses the head of the packing belt 6 on the tongue tail of the steel coil, Then the output shaft of the welding drive cylinder is extended to push the welding machine assembly to move towards the steel coil until the limit plate 215 on the welder assembly touches the buffer 211 and is limited. At this time, the second position sensor receives the limit plate 215 position signal, the output shaft of the welding drive cylinder stops moving. The welding machine assembly starts welding, and the head of the packing belt 6 is welded and fixed to the tongue tail of the steel coil. The welding torch 20201 of the welding machine assembly and the welding torch 20201 two correspond to form two welding spots.

Step 2: After the welding is completed, the output shaft of the welding drive cylinder shrinks, and the welding machine assembly is pulled to reset. As soon as the position sensor detects the position signal of the limit plate 215, the output shaft of the drive cylinder stops shrinking, and the pressure wheel 203 keeps compressing and packing With 6 states, the annular groove on the pinch wheel 203 prevents the packing belt 6 from shifting up and down during the packing process.

Step 3, when the tail of the strap 6 reaches the welding position, the welding drive cylinder repeats the action in step 1 to complete the welding of the tail of the strap 6 .

The welding process is simple, and compared with manual welding, the work efficiency is improved, and the contact between the packing belt 6 and the side wall of the steel coil is closer, the welding strength is improved, and the connection between the packing belt 6 and the steel coil is tighter.

Single-sided double-point resistance welding machine is used to form two solder joints in a single welding, with beautiful solder joints and high welding strength; the welding speed is fast, which can speed up the production rhythm; the compression wheel 203 is used to pre-compress the packing belt 6 before welding, Make the welding process more reliable and the welding quality more stable; the welding unit adopts an adjustable installation method, which can adapt to the welding of packing belts with different diameters of steel coils, which enhances the scope of application of the equipment; the welding process can be automatically controlled without manual labor Participation has improved the production efficiency of the packaging process.

As shown in Figures 18 to 20, the steel coil circumferential packaging equipment also includes a packing belt 6 guiding device 3, and the packing belt 6 guiding device 3 includes a guiding base 401, two side guide plates 402 arranged in parallel, and the bottom of the two side guide plates 402 The end is fixedly connected with the guide base 401, and the packing belt 6 guiding channel is formed between the two side guide plates 402. One end of the packing belt 6 guiding channel corresponds to the discharge port of the packing belt 6 feeding device, and the other end is connected to the steel coil to be processed. 7 corresponding to the side wall;

Guide base 401 is provided with vertical guide wheel 405, and vertical guide wheel 405 is connected with guide base 401 in rotation, and the quantity of vertical guide wheel 405 is a plurality of, and is evenly arranged along the length direction of side guide plate 402, and the sidewall of vertical guide wheel 405 The protruding side guide plate 402 is adjacent to the end face of the packing belt 6 guide channels, and every two vertical guide wheels 405 are correspondingly arranged to form a guide wheel group; between the two vertical guide wheels 405 of each guide wheel group, a roller guide channel is formed; the packing belt 6 moves in the roller guide channel, and the vertical guide wheel 405 and the flat guide wheel 403 all rotate with the movement of the packing belt 6, which reduces the scratches of packing.

The roller guide channel of each guide wheel group is correspondingly provided with flat guide wheel 403 groups, and flat guide wheel group comprises two flat guide wheels 403, and flat guide wheel 403 is connected with guide base 401 in rotation, and roller guide channel is positioned at two flat guide wheels Between 403, the lower flat guide wheel 403 is fixedly connected to the guide base 401 in rotation, and the upper flat guide wheel 403 is rotatably connected to the flat guide mounting plate. There is an adjustment hole on the guide mounting plate, and the guide base 401 is fixed with a mounting screw. 404, the installation screw 404 runs through the adjustment hole, the installation screw 404 is correspondingly provided with two adjustment nuts 408, and the adjustment nuts 408 are threadedly connected with the installation screw 404, and clamp the guiding installation plate; the adjustment nut 408 can adjust the flat guide wheel 403 above The distance between the guide base 401 is suitable for packing belts 6 of different widths.

One end of the side guide plate 402 adjacent to the strap feeding device of the packing belt 6 is bent outward to form an inclined plate 406, and a trapezoidal guide channel is formed between the two inclined plates 406, and a cover plate 407 is fixed on the two inclined plates 406, forming a trapezoidal guide channel. Played a guiding role for the guide tape.

As shown in Figures 10 to 17, the steel coil packaging and feeding device 4 includes:

Belt length detection assembly 303, the belt length detection assembly 303 detects the moving length of packing belt 6;

The clamping assembly 304, the clamping assembly 304 clamps the packing belt 6, and drives the packing belt 6 to move to the cutting belt assembly 305;

Tensioning assembly 302, the assembly is used for clamping packing belt 6, makes packing belt 6 generate tension between tensioning assembly 302 and clamping assembly 304, and belt length detection assembly 303 is installed between pinching assembly 304 and tensioning assembly 302 ;

Tape cutting assembly 305, the tape cutting assembly 305 cuts off the packing tape 6.

The pinch assembly 304 includes an active pinch roller 30402, a driven pinch roller 30401 corresponding to the active pinch roller 30402, and the active pinch roller 30402 is correspondingly provided with a pinch rotation drive assembly 30407 for driving the active pinch roller 30402 to rotate, The driven pinch roller 30401 is rotationally connected with the pinch slide plate 30405, and the pinch slide plate 30405 is correspondingly provided with a pinch linear motion assembly 30406 that drives the slide plate to move linearly;

A clamping position for clamping the packing belt 6 is formed between the driving pinch roller 30402 and the driven pinch roller 30401.

The pinch rotation drive assembly 30407 is a servo motor, the housing of the motor is fixedly connected to the belt feeding base 301, and the output shaft of the motor is fixedly connected to the active pinch roller 30402;

The pinch linear motion assembly 30406 is a cylinder, the housing of the cylinder is hinged to the belt feeding base 301, and the output shaft of the cylinder is hinged to the pinch slide 30405;

The side wall of the active pinch roller 30402 is fixed with a pinch annular boss 30404, and the side wall of the driven pinch roller 30401 is provided with a pinch annular groove 30403 matched with the pinch annular boss 30404. The clamping position of clamping packing belt 6 is formed between platform 30404 and pinching annular groove 30403; slide.

The outer surfaces of the pinch annular boss 30404 and the pinch annular groove 30403 are provided with anti-slip lines, which increase the friction between the active pinch roller 30402, the driven pinch roller 30401 and the packing belt 6.

The tension assembly 302 includes a movable tension roller 30202 and two fixed tension rollers 30201, the fixed tension roller 30201 is rotatably connected with the belt feeding base 301, the movable tension roller 30202 is rotatably connected with the tension slide plate 30204, and the tension slide plate 30204 corresponds to There is a tensioning linear motion component that drives the tensioning slide 30204 to move linearly, and the tensioning slide 30204 is movably connected to the belt feeding base 301;

The two fixed tension rollers 30201 are arranged perpendicular to the belt feeding base 301 , and the movable tension roller 30202 corresponds to the position of the gap between the two fixed tension rollers 30201 .

The tensioning linear motion assembly includes a tensioning screw 30203, a tensioning nut 30205 matched with the tensioning screw 30203, the tensioning nut 30205 is fixedly connected with the belt feeding base 301, and the tensioning screw 30203 is installed in cooperation with the tensioning nut 30205 ;

One end of the tension screw 30203 is fixed with a tension limit disc 30207, the diameter of the tension limit disc 30207 is greater than the diameter of the tension screw 30203, the other end is fixed with a handle, and the tension slide plate 30204 is provided with a handle. The tension limit disc 30207 matches the limit slot, and the tension limit disc 30207 is installed inside the limit slot;

Movable tension roller 30202, fixed tension roller 30201, all have on the side wall the tension annular groove 30206 that matches with packing belt 6, the width of tension annular groove 30206 matches the width of packing belt 6, tension The tight annular groove 30206 has played a limiting effect on the packing belt 6, preventing it from moving up and down. Turning the tension screw 30203 can drive the tension slide 30204 to move towards or away from the fixed tension roller 30201, which is convenient for placing the strap 6 and is suitable for clamping straps 6 of different thicknesses.

The tape cutting assembly 305 includes a fixed cutting edge 30501 and a movable cutting edge 30502, the fixed cutting edge 30501 is fixedly connected to the belt feeding base 301, and the movable cutting edge 30502 is correspondingly equipped with a cutting tape linear motion assembly 30504 that drives the movable cutting edge 30502 to move linearly;

The tape cutting linear motion assembly 30504 is a hydraulic cylinder, the housing of the hydraulic cylinder is fixedly connected to the tape feeding base 301, and the output shaft of the hydraulic cylinder is fixedly connected to the movable cutting edge 30502 through the tape cutting slide plate 30503;

The working position of cutting the packing belt 6 is formed between the fixed cutting edge 30501 and the movable cutting edge 30502.

The blade of the fixed shearing edge 30501 is set perpendicular to the belt feeding base 301, the blade of the movable shearing edge 30502 is arranged obliquely, and the angle between the blade of the movable shearing edge 30502 and the blade of the fixed shearing edge 30501 is 2.5°;

The height of the fixed shearing edge 30501 and the movable shearing edge 30502 is greater than the width of the packing belt 6;

There is a gap between the side wall of the fixed cutting edge 30501 adjacent to the moving cutting edge 30502 and the moving cutting edge 30502, and the width of the gap is 0.25 mm.

The belt length detection assembly 303 includes a detection roller 30301 and a tightening roller 30302, the detection roller 30301 is rotationally connected with the belt feeding base 301; The output shaft of the encoder 30303 is coaxially arranged with the detection roller 30301, and is fixedly connected with the detection roller 30301;

The top roller 30302 is rotationally connected with the detection slide 30304, the base is fixed with a guide rail, and the detection slide 30304 is movably connected to the guide rail, and the detection slide 30304 is correspondingly equipped with a detection linear motion assembly that drives the detection slide 30304 to move in the direction of the guide rail;

A clamping position for clamping the packing belt 6 is formed between the detection roller 30301 and the pinch roller 30302.

The detection linear motion assembly includes a detection lead screw 30305, a detection nut 30308 matched with the detection lead screw 30305, the detection nut 30308 is fixedly connected with the belt feeding base 301, and the detection lead screw 30305 is installed in cooperation with the detection nut 30308;

One end of the detection lead screw 30305 is fixed with a handle, and the detection lead screw 30305 corresponds to the position of the detection slide plate 30304.

There is a clamping plate 30306 between the detection slide plate 30304 and the detection linear motion component. There is a guide hole on the clamping plate 30306, and a clamping guide rod 30310 is arranged in the guide hole, and the clamping guide rod 30310 runs through the guide hole and the detection slide plate 30304 Threaded fixed connection; rotation detection lead screw 30305 detection slide plate 30304 moves to the direction approaching or away from detection roller 30301, is convenient to place packing belt 6, and can adjust the jacking force of jacking roller 30302, is applicable to the packing belt 6 of different specifications.

A compression spring 30309 is provided between the detection slide plate 30304 and the clamping plate 30306, and the compression spring 30309 is installed on the outside of the clamping guide rod 30310;

The end of the detection lead screw 30305 away from the handle is fixed with a detection limit disc 30307, the diameter of the detection limit disc 30307 is larger than the diameter of the detection lead screw 30305, and the top tightening plate 30306 is fixed with a detection limit disc 30307. Corresponding to the rotating block, the rotating block is provided with a rotating groove corresponding to the detection limit disc 30307, and the detection limit disc 30307 is installed inside the rotation groove;

The side walls of the detection roller 30301 and the top tension roller 30302 are provided with anti-skid lines, which improve the friction between the detection roller 30301 and the packing belt 6, so that the linear speed of the side wall of the detection roller 30301 and the movement of the packing belt 6 The speed is the same, which in turn improves the accuracy of detection.

Working process of steel coil packing and feeding device 4:

The loading operation process and the preparation work before feeding are only carried out before the first packing or after replacing the 6 rolls of packing tape. Manually send the outermost ring of the 6 packing tapes into the packing tape 6 feeding device, and the 6 heads of the packing tape are sequentially Pass through the tensioning assembly 302 , the belt length detecting assembly 303 , and the clamping assembly 304 until the head of the packing tape 6 reaches the cutting position of the tape cutting assembly 305 . Turn the handle in the tensioning assembly 302 to move the movable tensioning roller 30202 to the fixed tensioning roller 30201 direction, adjust the gap between the two, and pack the strap 6 tightly. Turn the handle in the belt length detection assembly 303 to make the tight roller 30302 move towards the detection roller 30301 until the tight roller 30302 compresses the packing belt 6 on the detection roller 30301. The output shaft of the air cylinder in the pinch assembly 304 is in a contracted state, and a certain opening degree is maintained between the active pinch roller 30402 and the driven pinch roller 30401 for the packing belt 6 to pass through. The output shaft of the hydraulic cylinder in the belt cutting assembly 305 is in contracted state, and a certain gap is kept between the movable cutting edge 30502 and the fixed cutting edge 30501 for the packing belt 6 to pass through.

Belt delivery process:

The output shaft of the cylinder in the pinch assembly 304 is extended to push the pinch slide plate 30405 to move, so that the driven pinch roller 30401 on the pinch slide plate 30405 will compress the packing belt 6 on the active pinch roll 30402, and the servo motor drives The active pinch roller 30402 rotates, drives the packing belt 6 to move forward, and is transported to the steel coil direction after passing through the belt cutting assembly 305 . Due to the clamping of the packing belt 6 by the tensioning assembly 302, a certain tension is formed on the packing belt 6 between the clamping assembly 304 and the tensioning assembly 302, and the packing belt 6 is straightened under the action of the tension to facilitate subsequent transportation. During the conveying process of the packing belt 6 , the detection roller 30301 of the belt length detection component 303 rotates passively, and the encoder 30303 connected to it detects the conveying length of the packing belt 6 in real time. When the encoder 30303 detects that the delivery length of the packing belt 6 reaches the set value, the pinch assembly 304 stops feeding the belt, the output shaft of the hydraulic cylinder in the belt cutting assembly 305 is extended, and the movable cutting edge 30502 is quickly pushed toward the fixed cutting edge 30501 Move, cut off packing tape 6.

It can realize the automatic continuous feeding of the thick packing tape 6 during the packing process, automatically control the length of the packing tape and automatically cut it, realize the automatic control of the tape feeding link, and greatly improve the working efficiency of the steel coil packing. The equipment layout is compact, the structure is simple and easy to maintain, and the labor intensity of workers is reduced.

As shown in Figures 21 to 24, the steel coil packing belt 6 feeder 5 includes a turntable 508, a feed base 502, and a feed tray 501. Detachable connection, the upper end of the feeding tray 501 is fixed with a positioning boss 50101 that matches the center hole of the 6 rolls of the packing tape, and a plurality of positioning blocks 504 are fixed on the positioning boss 50101, and there are openings on the positioning block 504 that are compatible with the packing tape. 6 volumes of inner walls correspond to threaded holes, and the inner wall of 6 volumes of packing tape is correspondingly provided with jacking bolts 505, which are threadedly connected with positioning block 504, and the jacking bolts 505 are tight against the inner wall of 6 volumes of packing bands. The number of positioning blocks 504 is four, and they are uniformly arranged axially along the axis of the feeding tray 501 .

The turntable 508 is rotationally connected with the feed base 502 through the bearing 503, the turntable 508 is fixedly connected with the outer ring of the bearing 503, and the base is fixedly connected with the inner ring of the bearing 503.

The outer ring of the bearing 503 is provided with a brake disc 506, and the feed base 502 is fixed with a brake 507 corresponding to the brake disc 506. The brake 507 includes two correspondingly arranged brake pads, and the two brake pads A brake clamping position is formed between them, and the brake disc 506 is installed between the two brake pads, and the brake pads are correspondingly provided with a drive assembly that drives the brake pads to move and clamp the brake disc 506 . The brake 507 is an existing technology, and the specific structure and connection form thereof will not be repeated here.

The brake disc 506 is a structural member made of wear-resistant steel, which prolongs the service life of the device.

The bottom end of the feeding tray 501 is provided with a circular installation groove, and the upper end of the turntable 508 is provided with a circular installation boss matching the circular installation groove. The platform is installed inside the circular mounting groove, the circular mounting boss is coaxially arranged with the turntable 508, and the positioning boss 50101 is coaxially arranged with the feeding tray 501.

The turntable 508 is provided with a plurality of connecting bolts 509 , four of which are arranged axially evenly along the axis of the turntable 508 .

An annular connecting plate 510 is fixed on the feeding tray 501, and a limit groove 501001 matching the connecting bolt 509 is opened on the side wall of the annular connecting plate 510. One end of the connecting bolt 509 is hinged with the turntable 508, and the other end is installed on the limit Inside the groove 501001, the end of the connecting bolt 509 away from the turntable 508 is provided with a connecting nut 511, the connecting nut 511 is threadedly connected with the connecting bolt 509, and the connecting nut 511 tightens against the annular connecting plate 510. The quantity of feeding tray 501 is multiple, and has multiple models, and the diameters of the positioning bosses 50101 of different models are different, and are suitable for 6 rolls of packing tapes without internal diameters, which widens the scope of application of the device. The feeding tray 501 is detachably connected to the turntable 508 through a connecting bolt 509 .

Steel coil packing belt 6 feeding device 5 working process:

Feeding operation process: the brake pad of the brake 507 is in the open state and does not brake the brake disc 506. The feeding disc 501 can rotate freely under the action of external force. Belt 6 coils are rotated together with the feeding tray 501 under the traction of packing tape 6, and the packing tape 6 that is released is delivered to the packing position by the continuous release of packing tape 6 in the passive rotation process.

After a steel coil is packaged, the belt feeding device stops conveying the packing belt 6, and the two brake pads of the brake 507 clamp the brake disc 506, so that the feeding plate 501 and the packing belt 6 rolls stop rotating, preventing the two from rotating due to inertia. Continue to rotate to loosen the outer ring of 6 rolls of packing tape.

Replacement or replenishment of 6 rolls of packing tape operation process: First, install 6 rolls of new packing tape offline on another feeding tray 501, loosen the connecting nut 511 and turn the connecting bolt 509, release the limit to the annular connecting plate 510, and place the The feed tray 501 on the production line is removed from the turntable 508, and then the feed tray 501 with 6 rolls of new packing tapes installed is installed on the turntable 508.

Loosen the connecting nut 511, turn the connecting bolt 509 outward, make the connecting bolt 509 move out of the limit groove 501001, lift the feeding tray 501 away with the crane, complete the quick disassembly of the feeding tray 501, install the feeding tray 501 and the above-mentioned The disassembly process is the opposite, and will not be repeated here. The process of installing and dismounting the feeding tray 501 is simple and convenient, which improves the work efficiency of replacing or supplementing the 6 rolls of packing tape.

The operation process of installing 6 rolls of packing tape on the feeding tray 501 offline: first place 6 rolls of packing tape on the feeding tray 501, set the center hole of the 6 rolls of packing tape on the positioning boss 50101, and turn it to tighten it. Bolt 505 tightens packing belt 6 inner sidewalls, and packing belt 6 rolls are fixed on the feeding tray 501, and the process of installing packing belt 6 rolls is convenient and has improved work efficiency.

The operation process of packaging equipment is simple and automatic

The packing equipment can pack the steel coils with a thick steel belt with a thickness of 2-3mm. The head and tail of the packing belt 6 are welded and fixed with the tongue and tail of the steel coil respectively. reliable quality. The equipment layout is compact, the structure is simple and easy to maintain, and it can be seamlessly connected with the original production line. The method is simple, the packaging rhythm is fast, and the automation of the packaging process can be realized, which can greatly improve the production efficiency of the packaging link. Strong compatibility with packing belt 6, steel belt with a thickness range of 2-3mm and a width range of 30-50mm can be used, and users can obtain it by slitting their own steel coils, avoiding the purchase of special steel belts for finished product packaging, and reducing production costs.

The working process of steel coil circumferential packing equipment includes the following steps:

S1. Move the steel coil 7 to be processed to the clamping position of the steel coil packaging and rotating transport device 1;

S2. The clamping component clamps the outer wall of the steel coil 7 to be processed, and the steel coil 7 to be processed rotates to tighten the steel coil 7 to be processed. When the tongue tail of the steel coil 7 to be processed reaches the welding position of the packing belt 6, the steel coil to be processed Volume 7 stops spinning;

S3. The packing belt 6 feeding device organizes the packing tape 6 in the packing tape 6 feeding device and conveys it through the packing tape 6 guiding device 3, and when the packing tape 6 head reaches the packing tape 6 welding position, the packing tape 6 is delivered The device stops feeding the tape;

S4. The packing belt 6 welding device welds the head of the packing belt 6 to the tongue tail of the steel coil;

S5. The packing and rotating transport device drives the steel coil 7 to be processed to rotate. When the steel coil 7 to be processed rotates, the packing belt 6 is pulled to make the packing belt 6 feeding device continuously release the packing belt 6, and the packing and rotating transport device is on the steel coil 7 to be processed. When rotating, the packing belt 6 is wound on the outer ring of the steel coil;

S6, the packing tape 6 is cut off when the packing tape 6 delivery device detects that the packing tape 6 is released and reaches the set value;

S7, the packaging and rotating transport device continues to drive the steel coil 7 to be processed to rotate until the tail of the packing belt 6 reaches the welding position, and the steel coil 7 to be processed stops rotating;

S8, the packing belt 6 welding device welds the packing belt 6 tail to the steel coil tongue tail.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technology of the various embodiments of the present invention. The scope of the scheme shall be covered by the claims of the utility model and the scope of the description.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (9)

1. The utility model provides a coil of strip circumference baling equipment which characterized in that includes:

the steel coil packing, rotating and transporting device (1) is used for winding a packing belt (6) on the outer side of a steel coil (7) to be processed;

the steel coil packing belt (6) welding device (2) is used for welding the packing belt (6) and the steel coil (7) to be processed;

the steel coil packing and conveying device (4) is used for conveying a packing belt (6) to the steel coil packing and rotating conveying device (1);

a feeding device (5) of a steel coil packing belt (6) for conveying the packing belt (6) to the steel coil packing belt feeding device (4).

2. The steel coil circumferential packing equipment as claimed in claim 1, wherein: the steel coil packaging, rotating and transporting device (1) comprises a frame (101) and two conveying roller sets arranged side by side, wherein each conveying roller set comprises a plurality of conveying rollers, the conveying rollers are rotatably connected with the frame (101), the two conveying roller sets are respectively and correspondingly provided with driving assemblies for driving the conveying rollers in the conveying roller sets to rotate, and conveying channels are formed on the two conveying roller sets;

each conveying roller set is correspondingly provided with a clamping assembly, and a clamping position for clamping a steel coil (7) to be processed is formed between the two clamping assemblies;

the clamping assembly comprises a clamping mounting plate (111), a clamping cylinder (107) and two clamping rollers (108) which are rotatably connected with the clamping mounting plate (111), a shell of the clamping cylinder (107) is fixedly connected with the frame (101), and an output shaft of the clamping cylinder (107) is hinged with the clamping mounting plate (111);

the distance between the axes of the two clamping rollers (108) is smaller than the diameter of the steel coil (7) to be processed;

the frame (101) is fixedly provided with a guide rod (109) arranged along the moving direction of a clamping mounting plate (111), the clamping mounting plate (111) is fixedly provided with a linear bearing (110) matched with the guide rod (109), and the guide rod (109) is arranged on the inner side of the linear bearing (110);

the height of the clamping roller (108) is greater than that of the steel coil (7) to be processed;

the conveying roller and the clamping roller (108) are both structural members made of wear-resistant steel;

the conveying roller in the conveying roller group is provided with a gear, the gears of adjacent conveying rollers are meshed through a connecting gear, the conveying roller group comprises a first conveying roller group (102) and a second conveying roller group (103), the driving assembly comprises a first motor (104) and a second motor (105), an output shaft of the first motor (104) is fixedly provided with a first transmission gear, and the first transmission gear is meshed with the gear on the conveying roller in the first conveying roller group (102);

and a transmission roller (106) is fixedly arranged on an output shaft of the second motor (105), the transmission roller (106) is rotatably connected with the frame (101), a second transmission gear is fixedly arranged on the transmission roller (106), and the second transmission gear is meshed with a gear on a transmission roller in the second transmission roller set (103).

3. The steel coil circumferential packing equipment as claimed in claim 1, wherein: the welding device (2) for the steel coil packing belt (6) comprises a welding base (201), a welding assembly (202) and a pressing wheel (203), the pressing wheel (203) is rotatably connected with the pressing rod (208), the pressing rod (208) is movably connected with the welding base (201), the welding assembly (202) is correspondingly provided with a welding linear driving assembly (204) for driving the welding assembly (202) to move, the pressing rod (208) is correspondingly provided with a pressing linear motion assembly (205) for driving the pressing rod (208) to move, and the moving directions of the welding assembly (202) and the pressing rod (208) are consistent;

the welding linear driving assembly (204) is a welding driving cylinder, a shell of the welding driving cylinder is hinged with the welding base (201), and an output shaft of the welding driving cylinder is hinged with the welding assembly (202);

a pressing guide block (207) is fixedly arranged on the pressing rod (208), a guide bottom plate (217) is fixedly arranged on the welding base (201), guide side plates (218) are fixedly arranged on two sides of the guide bottom plate (217), a guide top plate (219) is fixedly arranged at the top ends of the guide side plates (218), a pressing guide channel matched with the pressing guide block (207) is formed between the bottom plate (217) and the top plate (219) and between the two side plates (218), and the guide block is arranged on the inner side of the guide channel;

the end surfaces of the bottom plate (217), the top plate (219) and the two side plates (218) close to the guide channel are fixedly provided with a compression sliding plate (220), and the compression sliding plate (220) is a structural member made of nylon;

both sides have set firmly welding guide block (206) on welding subassembly (202), set firmly two and correspond L shape deflector (216) that set up on welding base (201), form between welding base (201) and two L shape deflectors (216) and welding guide block (206) assorted welding direction passageway, install in welding direction passageway inboardly welding guide block (206), all set firmly welding slide (221) on welding base (201), L shape deflector (216) are close to the terminal surface of welding direction passageway, welding slide (221) are the structure of nylon material.

4. The steel coil circumferential packing equipment as claimed in claim 3, wherein: the axis of the pressing wheel (203) is perpendicular to the welding base (201), a pressing annular groove (20301) is formed in the side wall of the pressing wheel (203), the depth of the pressing annular groove (20301) is smaller than the thickness of the packing belt (6), and the width of the pressing annular groove (20301) is matched with the width of the packing belt (6);

the welding assembly (202) is a resistance welding machine, the resistance welding machine comprises two welding guns (20201), the heights of the two welding guns (20201) are consistent, and the two welding guns are respectively positioned on two sides of the axis of the pressing wheel (203);

a limiting plate (215) is fixedly arranged on the welding assembly (202), a limiting mounting seat (209) is fixedly arranged on the welding base (201), a threaded hole is formed in the limiting mounting seat (209), a limiting bolt (210) is correspondingly arranged on the limiting plate (215), and the limiting bolt (210) is in threaded connection with the limiting mounting seat (209);

a stud of the limiting bolt (210) limits the limiting plate (215), and a buffer (211) is fixedly arranged at one end, close to the limiting plate (215), of the stud;

the welding base (201) is provided with a first position sensor (213) and a second position sensor (214), the position sensors correspond to the position of the lower limiting plate (215) of the welding assembly (202) in the contraction state, and the second position sensor (214) corresponds to the position of the lower limiting plate (215) of the welding assembly (202) in the extension state;

the welding base (201) is provided with an adjusting plate (212) fixedly, the adjusting plate (212) is provided with a strip-shaped through hole (21201) arranged along the moving direction of the welding assembly (202), and the position sensing device II (214) can be movably connected with the strip-shaped through hole (21201) on the inner side.

5. The steel coil circumferential packing equipment as claimed in claim 1, wherein: the steel coil circumferential packing equipment further comprises a packing belt (6) guiding device (3), the packing belt (6) guiding device (3) comprises a guiding base (401) and two side guide plates (402) which are arranged in parallel, the bottom ends of the two side guide plates (402) are fixedly connected with the guiding base (401), a packing belt (6) guiding channel is formed between the two side guide plates (402), one end of the packing belt (6) guiding channel corresponds to a discharge hole of a belt conveying device of the packing belt (6), and the other end of the packing belt (6) guiding channel corresponds to the side wall of a steel coil (7) to be processed;

the packaging belt is characterized in that vertical guide wheels (405) are arranged on the guide base (401), the vertical guide wheels (405) are rotatably connected with the guide base (401), the number of the vertical guide wheels (405) is multiple, the vertical guide wheels are uniformly arranged along the length direction of the side guide plate (402), the side wall of each vertical guide wheel (405) protrudes out of the end surface of the side guide plate (402) close to a guide channel of the packaging belt (6), and every two vertical guide wheels (405) are correspondingly arranged to form a vertical guide wheel set; a roller guide channel is formed between the two vertical guide wheels (405) of each guide wheel set;

a flat guide wheel (403) group is correspondingly arranged on a roller guide channel of each guide wheel group, each flat guide wheel group comprises two flat guide wheels (403), each flat guide wheel (403) is rotatably connected with a guide base (401), the roller guide channel is positioned between the two flat guide wheels (403), one flat guide wheel (403) is rotatably and fixedly connected with the guide base (401), the other flat guide wheel (403) is rotatably connected with a flat guide mounting plate, the guide mounting plate is provided with an adjusting hole, a mounting screw rod (404) is fixedly arranged on the guide base (401), the mounting screw rod (404) penetrates through the adjusting hole, the mounting screw rod (404) is correspondingly provided with two adjusting nuts (408), and the adjusting nuts (408) are both in threaded connection with the mounting screw rod (404) and clamp the guide mounting plate;

one end of the side guide plate (402) close to the belt feeding device of the packing belt (6) is bent outwards to form an inclined plate (406), a trapezoidal guide channel is formed between the two inclined plates (406), and cover plates (407) are fixedly arranged on the two inclined plates (406).

6. The steel coil circumferential packing equipment as claimed in claim 1, wherein: the steel coil packing and feeding device (4) comprises:

a belt length detection means (303), the belt length detection means (303) detecting the moving length of the packing belt (6);

a strap shearing assembly (305), wherein the strap shearing assembly (305) shears the packing strap (6);

the clamping and conveying assembly (304), the clamping and conveying assembly (304) clamps the packing belt (6) and drives the packing belt (6) to move to the belt shearing assembly (305);

-a tensioning assembly (302) for clamping the strapping band (6) such that tension is generated in the strapping band (6) between the tensioning assembly (302) and the pinch assembly (304), the band length detection assembly (303) being mounted between the pinch assembly (304) and the tensioning assembly (302).

7. The steel coil circumferential packing equipment as claimed in claim 6, wherein: the pinch assembly (304) comprises a driving pinch roll (30402) and a driven pinch roll (30401) which is arranged corresponding to the driving pinch roll (30402), the driving pinch roll (30402) is correspondingly provided with a pinch rotation driving assembly (30407) for driving the driving pinch roll (30402) to rotate, the driven pinch roll (30401) is rotatably connected with a pinch sliding plate (30405), and the pinch sliding plate (30405) is correspondingly provided with a pinch linear motion assembly (30406) for driving the sliding plate to move linearly;

a clamping position for clamping the packing belt (6) is formed between the driving pinch roll (30402) and the driven pinch roll (30401);

the pinch rotating drive component (30407) is a motor, a shell of the motor is fixedly connected with the belt conveying base (301), and an output shaft of the motor is fixedly connected with the driving pinch roll (30402);

the linear motion sending assembly is an air cylinder, a shell of the air cylinder is hinged with the belt conveying base (301), and an output shaft of the air cylinder is hinged with the pinch sliding plate (30405);

a pinch annular boss (30404) is fixedly arranged on the side wall of the driving pinch roll (30402), a pinch annular groove (30403) matched with the pinch annular boss (30404) is formed in the side wall of the driven pinch roll (30401), and a clamping position for clamping a packing belt (6) is formed between the pinch annular boss (30404) and the pinch annular groove (30403);

the outer surfaces of the clamping and conveying annular boss (30404) and the clamping and conveying annular groove (30403) are provided with anti-skid lines;

the tensioning assembly (302) comprises a movable tensioning roller (30202) and two fixed tensioning rollers (30201), the fixed tensioning roller (30201) is rotatably connected with the belt feeding base (301), the movable tensioning roller (30202) is rotatably connected with a tensioning sliding plate (30204), the tensioning sliding plate (30204) is correspondingly provided with a tensioning linear motion assembly for driving the tensioning sliding plate (30204) to linearly move, and the tensioning sliding plate (30204) is movably connected with the belt feeding base (301);

the two fixed tensioning rollers (30201) are arranged perpendicular to the belt feeding base (301), and the position of the gap between the movable tensioning roller (30202) and the two fixed tensioning rollers (30201) corresponds;

the tensioning linear motion assembly comprises a tensioning screw rod (30203) and a tensioning nut (30205) matched with the tensioning screw rod (30203), the tensioning nut (30205) is fixedly connected with the tape conveying base (301), and the tensioning screw rod (30203) and the tensioning nut (30205) are installed in a matched mode;

one end of the tensioning screw rod (30203) is fixedly provided with a tensioning limiting disc (30207), the diameter of the tensioning limiting disc (30207) is larger than that of the tensioning screw rod (30203), the other end of the tensioning screw rod is fixedly provided with a handle, a limiting groove matched with the tensioning limiting disc (30207) is formed in the tensioning sliding plate (30204), and the tensioning limiting disc (30207) is installed on the inner side of the limiting groove;

the tensioning device is characterized in that the tensioning device comprises a movable tensioning roller (30202) and a fixed tensioning roller (30201), wherein a tensioning annular groove (30206) matched with a packing belt (6) is formed in the side wall of the tensioning roller, and the width of the tensioning annular groove (30206) is matched with the width of the packing belt (6).

8. The steel coil circumferential packing equipment as claimed in claim 6, wherein: the belt shearing assembly (305) comprises a fixed shearing edge (30501) and a movable shearing edge (30502), the fixed shearing edge (30501) is fixedly connected with the belt conveying base (301), and the movable shearing edge (30502) is correspondingly provided with a belt shearing linear motion assembly (30504) for driving the movable shearing edge (30502) to move linearly;

the belt shearing linear motion assembly (30504) is a hydraulic cylinder, a shell of the hydraulic cylinder is fixedly connected with the belt conveying base (301), and an output shaft of the hydraulic cylinder is fixedly connected with the movable shear blade (30502) through a belt shearing sliding plate (30503);

a working position for shearing the packing belt (6) is formed between the fixed shear blade (30501) and the movable shear blade (30502);

the blade of the fixed shear blade (30501) is perpendicular to the belt conveying base (301), the blade of the movable shear blade (30502) is obliquely arranged, and an included angle formed between the blade of the movable shear blade (30502) and the blade of the fixed shear blade (30501) is 1-4 degrees;

the heights of the fixed shear blade (30501) and the movable shear blade (30502) are greater than the width of the packing belt (6);

a gap is formed between the side wall of the fixed shear blade (30501) close to the movable shear blade (30502) and the movable shear blade (30502), and the width of the gap is 0.2mm-0.3mm;

the belt length detection assembly (303) comprises a detection roller (30301) and a tightening roller (30302), wherein the detection roller (30301) is rotatably connected with the belt conveying base (301); the detection roller (30301) is correspondingly provided with an encoder (30303), a shell of the encoder (30303) is fixedly connected with the belt conveying base (301), and an output shaft of the encoder (30303) is coaxially arranged with the detection roller (30301) and fixedly connected with the detection roller (30301);

the tightening roller (30302) is rotatably connected with the detection sliding plate (30304), a guide rail is fixedly arranged on the base, the detection sliding plate (30304) is movably connected with the guide rail, and the detection sliding plate (30304) is correspondingly provided with a detection linear motion assembly for driving the detection sliding plate (30304) to move in the guide rail direction;

a clamping position for clamping the packing belt (6) is formed between the detection roller (30301) and the jacking roller (30302);

the linear motion detection assembly comprises a detection lead screw (30305) and a detection nut (30308) matched with the detection lead screw (30305), the detection nut (30308) is fixedly connected with the belt conveying base (301), and the detection lead screw (30305) and the detection nut (30308) are installed in a matched mode;

a handle is fixedly arranged at one end of the detection screw rod (30305), and the detection screw rod (30305) corresponds to the detection sliding plate (30304);

a jacking plate (30306) is arranged between the detection sliding plate (30304) and the detection linear motion assembly, a guide hole is formed in the jacking plate (30306), a jacking guide rod (30310) is arranged in the guide hole, and the jacking guide rod (30310) penetrates through the guide hole and is fixedly connected with the detection sliding plate (30304) through threads;

a compression spring (30309) is arranged between the detection sliding plate (30304) and the tightening plate (30306), and the compression spring (30309) is mounted on the outer side of the tightening guide rod (30310);

a detection limiting disc (30307) is fixedly arranged at one end, far away from the handle, of the detection screw rod (30305), the diameter of the detection limiting disc (30307) is larger than that of the detection screw rod (30305), a rotating block corresponding to the detection limiting disc (30307) is fixedly arranged on the tightening plate (30306), a rotating groove corresponding to the detection limiting disc (30307) is formed in the rotating block, and the detection limiting disc (30307) is arranged on the inner side of the rotating groove;

the side walls of the detection roller (30301) and the jacking roller (30302) are provided with anti-slip lines.

9. The steel coil circumferential packing equipment as claimed in claim 1, characterized in that: the feeding device (5) for the steel coil packing belt (6) comprises a rotary disc (508), a feeding base (502) and a feeding disc (501), wherein the rotary disc (508) is rotatably connected with the feeding base (502), the feeding disc (501) is detachably connected with the rotary disc (508), a positioning boss (50101) matched with a central hole of the packing belt (6) is fixedly arranged at the upper end of the feeding disc (501), a plurality of positioning blocks (504) are fixedly arranged on the positioning boss (50101), threaded holes corresponding to inner walls of the packing belt (6) are formed in the positioning blocks (504), tightening bolts (505) are correspondingly arranged on the inner walls of the packing belt (6) in a rolling mode, the tightening bolts (505) are in threaded connection with the positioning blocks (504), and the tightening bolts (505) tightly press the inner walls of the packing belt (6) in a rolling mode;

the rotary table (508) is rotatably connected with the feeding base (502) through a bearing (503), the rotary table (508) is fixedly connected with the outer ring of the bearing (503), and the base is fixedly connected with the inner ring of the bearing (503);

a brake disc (506) is arranged on the outer ring of the bearing (503), a brake (507) corresponding to the brake disc (506) is fixedly arranged on the feeding base (502), the brake (507) comprises two correspondingly arranged brake pads, a brake clamping position is formed between the two brake pads, the brake disc (506) is arranged between the two brake pads, and the brake pads are correspondingly provided with driving components for driving the brake pads to move and clamp the brake disc (506);

the brake disc (506) is a structural member made of wear-resistant steel;

the feeding disc (501) is provided with a circular mounting groove at the bottom end, the rotary disc (508) is provided with a circular mounting boss matched with the circular mounting groove at the upper end, the circular mounting groove and the feeding disc (501) are coaxially arranged, the circular mounting boss is mounted on the inner side of the circular mounting groove, the circular mounting boss and the rotary disc (508) are coaxially arranged, and the positioning boss (50101) and the feeding disc (501) are coaxially arranged;

a plurality of connecting bolts (509) are arranged on the rotating disc (508),

an annular connecting plate (510) is fixedly arranged on the feeding disc (501), a limiting groove (501001) matched with a connecting bolt (509) is formed in the side wall of the annular connecting plate (510), one end of the connecting bolt (509) is hinged to the rotary disc (508), the other end of the connecting bolt (509) is installed on the inner side of the limiting groove (501001), a connecting nut (511) is arranged at one end, far away from the rotary disc (508), of the connecting bolt (509), the connecting nut (511) is in threaded connection with the connecting bolt (509), and the annular connecting plate (510) is tightly propped by the connecting nut (511);

the connecting bolts (509) are uniformly arranged along the axis of the rotating disc (508) in the axial direction;

the feeding discs (501) are multiple in number and have multiple types, and the positioning bosses (50101) of different types have different diameters, so that the feeding discs are suitable for packing belt (6) rolls without inner diameters.

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