CN221092313U - Improved scratch-proof device for coil warehouse-in - Google Patents

Abstract

The utility model discloses an improved coil warehouse-in scratch-proof device, wherein a stepped table top is arranged on the opposite inner side above a middle bracket, a carrier roller assembly is fixedly arranged on the stepped table top, two ends of a carrier roller body of the carrier roller assembly are connected with bearing seats, and the bearing seats are fixedly connected with the stepped table top of the middle bracket through bolts; a supporting roller assembly is arranged below the roller supporting body; the roller seat is U-shaped, the bottom of the roller seat is connected with the middle support through bolts, two side support plates are provided with bevel edges, upper and lower notches are arranged on the bevel edges, and the periphery of the roller body is connected with the periphery of the carrier roller in a fitting way. According to the utility model, the original fixed joist is improved and designed into the carrier roller structure capable of freely rotating, so that sliding friction does not exist on the contact surface of the coil and the carrier roller, the carrier roller is driven to rotate together as long as the coil rotates, a rolling friction state is formed, the scratch problem caused by the original sliding friction is eliminated, and the product quality and the production efficiency are improved.

Description

Improved scratch-proof device for coil warehouse-in

Technical Field

The utility model relates to finished product coil warehouse-in coil-off equipment of a steel rolling high-line production line, in particular to an improved coil warehouse-in scratch-proof device.

Background

The high-speed wire rod and the large coil produced by the steel rolling high-speed line production line comprise the following steps: smooth surface round steel wire rod, screw steel wire rod and round steel wire rod. The finished coil 5 produced is put in storage in the following way (shown in figure 1): the PF chain pushes the C-shaped hooks 1 to a warehouse-in stop position, each C-shaped hook 1 is hung with a coil 5 to be warehoused, and the coil 5 on the C-shaped hook 1 at the stop position is conveyed to two joists 4 of a coil-unloading platform through lifting and traversing actions of the coil-unloading trolley 2, so that only one coil can be conveyed at a time. After the three coils 5 are orderly swung on the joist 4, the three coils 5 are simultaneously sucked up by the electromagnet 6, lifted to a preset position for falling and lifting, and demagnetizing to finish a warehousing process. The electromagnet 6 can only be hung one at a time at most three pieces.

The electromagnet 4 belongs to bridge crane, the driving operation mode is controlled, the distance between the cab and the coil unloading platform is more than 30 meters, and the height difference is about 10 meters, so that the relative position of the electromagnet 6 and the coil 5 to be put in storage is judged visually by operators, the optimal operation position is that the center of the electromagnet 6 is overlapped with the center of the coil 5 to be put in storage and lifted vertically, but the visual judgment has errors, and the judging experience of different operators is different, so that the electromagnet 6 is basically deviated from the center of the coil in the sucking disc winding process. When meeting the specification with high yield, the production rhythm is faster, an operator does not need to repeatedly perform centering confirmation, the deviation phenomenon is more serious, the electromagnet 6 and the coil 5 are attracted and deviated, the coil 5 rotates around the dead weight center by a certain angle (as shown in fig. 2) at the moment of lifting, at this time, the coil 5 can generate sliding friction with the two joists 4 in the rotating process, the surface of the coil 5 can be scratched, the quality defect is generated, the coated wire can be broken due to serious scratch sometimes, the goods cannot be sent out, the coil is rewound and is packaged again, and the production efficiency is seriously influenced.

Disclosure of utility model

Aiming at the technical problems, the utility model provides an improved coil warehouse-in scratch-proof device, wherein the sliding friction between a coil and a joist is designed to be rolling friction, so that the friction coefficient is reduced, the scratch problem caused by the sliding friction is eliminated, and the product quality and the production efficiency are improved.

The utility model adopts the following technical proposal to realize the aim. The improved coil warehouse-in scratch-proof device comprises middle brackets positioned at two sides of the coil stripping trolley, wherein stepped table tops are arranged at the upper opposite inner sides of the middle brackets, carrier roller assemblies are fixedly arranged on the stepped table tops, bearing seats are connected at two ends of carrier roller bodies of the carrier roller assemblies, and the bearing seats are fixedly connected with the stepped table tops of the middle brackets through bolts; a supporting roller assembly is arranged below the carrier roller body; the supporting roller assembly comprises a roller shaft and a roller seat, wherein two ends of the roller shaft are square columns, one end of the roller shaft is provided with an oil cup, the oil cup is connected with an oil way through hole arranged in the roller shaft, the middle section of the roller shaft is cylindrical, two ends of the roller shaft are provided with dust-proof rings, the inner sides of the dust-proof rings are provided with bearings, the roller body is cylindrical, two ends of an inner hole are provided with steps, the steps of the inner hole of the roller body are respectively connected with the bearings and the peripheries of the dust-proof rings, and a cavity of the inner hole of the roller body is communicated with the oil way through hole; the roller seat is U-shaped, the bottom of the roller seat is connected with the middle bracket through a bolt, the support plates on two sides are provided with bevel edges, the bevel edges are provided with upper and lower notches, the notches are connected with square columns at two ends of the roller shaft in a matched mode, and the pressing plates are arranged on the notches of the roller seat and the square columns of the roller shaft; the periphery of the roller body is connected with the periphery of the carrier roller in a fitting way.

Further, the carrier roller assemblies are symmetrically and fixedly arranged on two sides of the vertical center line of the coil-stripping trolley.

Further, the roller body is hollow and long in a cylinder shape, and the two ends of the roller body are fixedly connected with shaft heads and are connected with bearings in the bearing seats through the shaft heads.

Further, the backing roll subassembly below the bearing roller body is four at least groups.

Further, the supporting roller assembly is arranged on the lower side of the carrier roller body and is symmetrical with the radial center line of the carrier roller body.

According to the utility model, the original fixed joist is improved and designed into the carrier roller structure capable of freely rotating, so that sliding friction does not exist on the contact surface of the coil and the carrier roller, the carrier roller is driven to rotate together as long as the coil rotates, a rolling friction state is formed, the scratch problem caused by the original sliding friction is eliminated, and the product quality and the production efficiency are improved.

Drawings

FIG. 1 is a schematic diagram of a conventional coil unloading device in storage;

FIG. 2 is a schematic view of the A-A coil-stripping configuration of FIG. 1;

FIG. 3 is a schematic view of the coil stripping state of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3 at B;

FIG. 5 is a schematic view of the partial structure of the C-direction in FIG. 4;

fig. 6 is a cross-sectional view of the idler assembly 7 of the present utility model;

FIG. 7 is a schematic view of the structure of the support roller assembly 8 of the present utility model;

FIG. 8 is a side view of the back-up roll assembly 8 of the present utility model;

Fig. 9 is a sectional view showing a structure of a connection between the roller 82 and the roller shaft 83 in the present utility model.

In the figure: c-shaped hooks, coil stripping trolleys, brackets, joists, coils, electromagnets, carrier roller assemblies, bearing blocks and roller bodies, wherein the C-shaped hooks, the coil stripping trolleys, the brackets, the joists, the coils, the electromagnets, the carrier roller assemblies, the bearing blocks and the roller bodies are respectively arranged in sequence, and the roller assemblies are respectively arranged in sequence; 8. the device comprises a supporting roller assembly 81, a roller seat 82, a roller body 83, a roller shaft 84, a bearing 85, a dust ring 86, an oil cup 87 and a pressing plate; 9. an intermediate bracket.

Description of the embodiments

The utility model will now be described in detail with reference to the drawings and examples. Referring to fig. 3 to 9, the improved coil warehouse-in scratch-proof device comprises middle brackets 9 positioned on two sides of a coil-unloading trolley 2, wherein stepped table tops are arranged on the opposite inner sides above the middle brackets 9, carrier roller assemblies 7 are fixedly mounted on the stepped table tops, and the carrier roller assemblies 7 are symmetrically and fixedly mounted on two sides of a vertical center line of the coil-unloading trolley 2 (shown in fig. 3,4 and 5). Bearing blocks 71 (shown in fig. 6) are connected to two ends of a roller body 72 of the roller assembly 7, and the bearing blocks 71 are fixedly connected with the stepped table top of the middle bracket 9 through bolts; the roller body 72 is hollow and long, and is fixedly connected with shaft heads at two ends and connected with a bearing in the bearing seat 71 through the shaft heads. The lower part of the carrier roller body 72 is provided with at least four groups of support roller assemblies 8 below the carrier roller body 72, and the support roller assemblies 8 are arranged at the lower side of the carrier roller body 72 and are symmetrical with the radial center line of the carrier roller body 72 so as to support the carrier roller body 72 to bear balanced force; the support roller assembly 8 comprises a roller shaft 83 and a roller seat 81, wherein both ends of the roller shaft 83 are square columns, one end of the roller shaft 83 is provided with an oil cup 86, the oil cup 86 is connected with an oil way through hole arranged in the roller shaft 83, the middle section of the roller shaft 83 is cylindrical, both ends of the roller shaft are provided with dust-proof rings 85, the inner side of each dust-proof ring 85 is provided with a bearing 84, the roller body 82 is cylindrical, both ends of an inner hole are provided with steps, the steps of the inner hole of the roller body 82 are respectively connected with the peripheries of the bearing 84 and the dust-proof rings 85, and the inner hole cavity of the roller body 82 is communicated with the oil way through hole; the roller seat 81 is U-shaped, the bottom of the roller seat is connected with the middle bracket 9 through bolts, the support plates on two sides are provided with bevel edges, the bevel edges are provided with upper and lower notches, the notches are connected with square columns at two ends of the roller shaft 83 in a matched manner, and the pressing plates 87 are arranged on the notches of the roller seat 81 and the square columns of the roller shaft 83; the outer periphery of the roller 82 is in abutting engagement with the outer periphery of the carrier roller 72 (as shown in fig. 7, 8 and 9).

Examples

After the improvement of the utility model, the coil unloading mode is operated, namely, a PF chain pushes the C-shaped hooks 1 to a warehouse-in stop position, each C-shaped hook 1 is hung with one coil 5 to be warehoused, the coils 5 on the C-shaped hooks 1 at the stop position are conveyed to two carrier roller assemblies 7 of a coil unloading table through the lifting and transverse movement of the coil unloading trolley 2, only one coil can be conveyed each time, and after three coils 5 are orderly arranged on the carrier roller assemblies 7, the three coils 5 are hoisted and warehoused simultaneously through a crane operation electromagnet 6. At this time, the electromagnet 6 inevitably has a center deviation phenomenon in the process of sucking disc winding 5, but after the improvement of the utility model, the electromagnet 6 and the rising instant winding 5 rotation action caused by the suction deviation of the winding 5 can drive the carrier roller assemblies 7 and eight sets of supporting roller assemblies 8 symmetrically arranged on two sides of the coil-unloading trolley 2 to rotate together, and all the carrier roller assemblies are in rolling friction, so that the abrasion problem caused by sliding friction at the position is thoroughly solved.

The principle of the utility model is to design and manufacture a scratch-proof device for coil warehouse entry, which changes the sliding friction between the coil and the joist into rolling friction, reduces the friction coefficient, eliminates the scratch problem caused by the sliding friction, and improves the product quality. According to statistics, after improvement, the scratch rate of the spot inspection is reduced by 9.26%, repeated confirmation operation is not needed in the process of operating the electromagnet 6 and the coil 5 for centering by a worker, the operation time of the coil unloading process is shortened, the average time of the whole original coil unloading process is 45 seconds/crane, the current time is about 40 seconds/crane, and the production efficiency is improved by 11.11%.

Claims (5)

1. The improved coil warehouse-in scratch-proof device comprises middle brackets positioned at two sides of the coil stripping trolley, and is characterized in that stepped table tops are arranged at the opposite inner sides above the middle brackets, carrier roller assemblies are fixedly arranged on the stepped table tops, bearing seats are connected at two ends of a carrier roller body of each carrier roller assembly, and the bearing seats are fixedly connected with the stepped table tops of the middle brackets through bolts; a supporting roller assembly is arranged below the carrier roller body; the supporting roller assembly comprises a roller shaft and a roller seat, wherein two ends of the roller shaft are square columns, one end of the roller shaft is provided with an oil cup, the oil cup is connected with an oil way through hole arranged in the roller shaft, the middle section of the roller shaft is cylindrical, two ends of the roller shaft are provided with dust-proof rings, the inner sides of the dust-proof rings are provided with bearings, the roller body is cylindrical, two ends of an inner hole are provided with steps, the steps of the inner hole of the roller body are respectively connected with the bearings and the peripheries of the dust-proof rings, and a cavity of the inner hole of the roller body is communicated with the oil way through hole; the roller seat is U-shaped, the bottom of the roller seat is connected with the middle bracket through a bolt, the support plates on two sides are provided with bevel edges, the bevel edges are provided with upper and lower notches, the notches are connected with square columns at two ends of the roller shaft in a matched mode, and the pressing plates are arranged on the notches of the roller seat and the square columns of the roller shaft; the periphery of the roller body is connected with the periphery of the carrier roller in a fitting way.

2. The improved coil warehouse entry anti-scratch device of claim 1, wherein the idler assemblies are symmetrically fixedly mounted on either side of a vertical centerline of the coil stripping trolley.

3. The improved coil warehouse entry scratch preventing device according to claim 1, wherein the carrier roller body is hollow and long cylinder-shaped, and two ends of the carrier roller body are fixedly connected with shaft heads and are connected with bearings in the bearing seats through the shaft heads.

4. The improved coil warehouse entry mar prevention device of claim 1, wherein the number of backup roll assemblies below the idler body is at least four.

5. The improved coil warehouse entry anti-scratch device of claim 1, wherein the backup roll assembly is disposed on the underside of the carrier roll body and is symmetrical with the radial centerline of the carrier roll body.