Novel disc-face-free spinning head structure for high-speed wire rod

Abstract

The utility model relates to the technical field of high-speed wire rod silking machines, in particular to a novel disc-face-free silking head structure for high-speed wire rods, which comprises a wire discharging pipe, a wire discharging disc, a silking head support, a silking pipe clamping pipe, a positioning plate, a balancing weight, a positioning ring and a supporting plate. The spinning pipe is fixedly connected to the spinning disc through the spinning pipe clamping pipe, the positioning plate is fixedly arranged on the spinning head support, the balancing weights are arranged on the spinning disc and the spinning head support respectively, scratching of the disc face and the side plate to the surface of a wire is eradicated, and the surface quality of a product is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of high-speed wire laying machines, in particular to a novel disk-free laying head structure for high-speed wires. Background Art

[0002] The main function of the spinning machine is to convert high-speed linear wire into a ring coil of a predetermined diameter and lay it on the Stellmore conveyor roller. The spinning machine is mainly composed of several parts, such as the input rotor, output rotor, gear box, safety cover and base. The output rotor is composed of a hollow shaft, a spinning head bracket, and a spinning drum. The inlet end of the spinning tube passes through the center of the hollow shaft, and the outlet end is installed on the spinning tube seat of the spinning head. After entering the spinning tube, the wire slides relatively. Under the combined action of centrifugal force, relative motion inertia force and friction force, it is gradually bent and formed, and is spit out along the tangent direction of the spinning tube to form a wire coil. After being regularized by the spinning drum, it "spits" onto the Stellmore conveyor roller, and then is cooled, collected and bundled. However, when the wire is regularized by the spinning drum, due to factors such as the adjustment of the rolling tension and the difference between the actual speed and the measured speed, the finished wire and the spinning drum surface and side plate slide relative to each other, causing scratches on the surface of the wire.

[0003] The current refined development of the market has put more and more requirements on the specifications of wire rods, and the precision requirements are getting higher and higher. The spinning speed required for continuous production of wire rods of different specifications is different. When the spinning machine spins, it will cause different degrees of damage to the spinning reel surface. When the spinning reel surface is worn, the running trajectory of the wire rod in the spinning reel has great uncertainty, and the trajectory will be offset, resulting in scratches on the wire rod surface. As downstream users continue to develop high-end products, the surface quality requirements of wire rods are becoming increasingly stringent, especially for cold heading steel and bearing steel for automobiles. Scratches on the surface of the finished product are prone to cracking, pits and other quality problems during the processing process. Therefore, how to prevent the wire rod surface from scratching has become a problem that needs to be solved urgently. Utility Model Content

[0004] The utility model is to solve the problem of scratches on the surface of the wire material caused by the wire-discharging reel.

[0005] The utility model provides a novel disk-free spinning head structure for high-speed wire, comprising a spinning tube, a spinning reel, a spinning head bracket, a spinning tube clamping tube, a positioning plate, a counterweight, a positioning ring and a support plate. The spinning reel, the spinning head bracket, the support plate and the positioning ring are fixedly connected to each other in sequence. The spinning tube clamping tube fixes the spinning tube to the spinning reel. The positioning plate is fixedly arranged on the spinning head bracket. The counterweight is respectively arranged on the spinning reel and the spinning head bracket.

[0006] Preferably, it also includes a side plate, which is fixedly arranged on the wire dispensing drum.

[0007] Preferably, the side plate is only arranged on one side of the spinning drum close to the spinning head bracket.

[0008] Preferably, the side plate and the spinning tube are in the shape of an Archimedean spiral and are in contact with each other.

[0009] The beneficial effects of the utility model are as follows: after the wire is spit out from the outlet of the spinning tube, it is directly spit out onto the Stellmore air-cooled roller without passing through the disc surface and the side plate, and the spitting circle shape is good, which completely prevents the disc surface and the side plate from scratching the surface of the wire, thereby ensuring the surface quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 : Schematic diagram of the overall structure of the utility model without a disk spinning head;

[0011] Figure 2 : Schematic diagram of the wire-spitting reel without a reel surface of the utility model;

[0012] Figure 3 : A cross-sectional view of the spinning head support of the utility model;

[0013] Reference numerals: wire-spinning pipe 1, wire-spinning drum 2, side plate 3, wire-spinning head bracket 4, wire-spinning pipe clamping tube 5, positioning plate 6, counterweight block 7, positioning ring 8, support plate 9. DETAILED DESCRIPTION

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0015] In addition, the directional words mentioned in the following embodiments, such as "upper", "lower", "front", "back", etc., are only referenced to the directions of the drawings. Therefore, the directional words used are used to illustrate rather than limit the invention of the utility model.

[0016] like Figure 1-3As shown, the novel non-disk spinning head structure for high-speed wire provided in this specific embodiment includes a spinning tube 1, a spinning drum 2, a side plate 3, a spinning head bracket 4, a spinning tube clamping tube 5, a positioning plate 6, a counterweight 7, a positioning ring 8 and a support plate 9. The spinning drum 2, the spinning head bracket 4, the support plate 9 and the positioning ring 8 are fixedly connected to each other in sequence, the side plate 3 is fixedly arranged on the spinning drum 2, the spinning tube clamping tube 5 fixes the spinning tube 1 to the spinning drum 2, the positioning plate 8 is fixedly arranged on the spinning head bracket 4, and the counterweight 7 is respectively arranged on the spinning drum 2 and the spinning head bracket 4. The side plate 3 is only arranged on one side of the spinning drum 2 close to the spinning head bracket 4, and the side plate 3 and the spinning tube 1 are in the shape of an Archimedean spiral and contact each other.

[0017] The spinning drum 2 is provided with 8 connecting bolts (not shown in the figure) to be fixed to the spinning head bracket 4, and is provided with 16 evenly distributed bolt holes (not shown in the figure) for adding dynamic balancing weights 7.

[0018] The side plate 3 prevents the wire from being thrown into the rear side of the spinning drum 2 and entangled with the spinning head due to improper speed adjustment, thereby causing an accident.

[0019] In order to eliminate the influence of the spinning head without a disc on the coil shape, the following control method is adopted: when the tail of the wire rod leaves the pre-finishing mill, the servo motor of the pinch roller lightly clamps with a torque of about 50%; when the tail of the wire rod leaves the sizing mill, the servo motor starts to re-clamp with a torque of about 60%. In order to ensure the coil shape at the tail of the coil, there are three control states for the linear speed of the pinch roller.

[0020] 1. Maintain the original wire speed: When rolling medium-sized wires with a diameter of 8mm-18mm, avoid the loss of wire tension and the increase in the speed of the pinch rollers, which will cause the diameter of the wire to increase in the last few turns. Therefore, after the tail of the wire leaves the sizing machine, the line speed of the pinch rollers is reduced to the outlet speed of the sizing machine minus the lag amount of the wire tail. When the lag speed setting value is 0, the wire will maintain the original line speed after the tail of the wire leaves the finishing mill.

[0021] 2. Tail speed reduction: When rolling small-sized wire with a diameter of 8mm, in order to reduce the diameter of the last few turns to ensure coiling, the linear speed of the pinch roll is reduced after the tail of the rolled piece leaves the finishing mill, and becomes the linear speed of the sizing outlet minus the tail lag between rolling. When the lag speed setting value is not equal to zero, the linear speed of the wire will be lower than the speed of the sizing outlet after the tail of the wire leaves the sizing mill.

[0022] 3. Tail speed increase: When rolling large specifications with a diameter of more than 18mm, due to the low rolling speed, the wire needs to increase power to pass through the wire laying machine. Therefore, after the wire leaves the sizing machine, the linear speed of the pinch roller is increased to the outlet speed of the sizing machine plus a tail lag of the rolled piece, so that the rolled piece can pass through the wire laying machine smoothly.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new type of spinning head structure without disk for high-speed wire, characterized by: It includes a wire-spinning tube, a wire-spinning drum, a wire-spinning head bracket, a wire-spinning tube clamping tube, a positioning plate, a counterweight, a positioning ring and a support plate. The wire-spinning drum, the wire-spinning head bracket, the support plate and the positioning ring are fixedly connected to each other in sequence. The wire-spinning tube clamping tube fixes the wire-spinning tube to the wire-spinning drum. The positioning plate is fixedly arranged on the wire-spinning head bracket. The counterweight is respectively arranged on the wire-spinning drum and the wire-spinning head bracket.

2. The novel non-disk spinning head structure for high-speed wire according to claim 1 is characterized in that: It also includes a side plate, which is fixedly arranged on the wire-spitting drum.

3. The novel non-disk spinning head structure for high-speed wire according to claim 2 is characterized in that: The side plate is only arranged on one side of the spinning drum close to the spinning head bracket.

4. The novel non-disk spinning head structure for high-speed wire according to claim 2 is characterized in that: The side plate and the spinning tube are in the shape of an Archimedean spiral and are in contact with each other.

Images