Steel wire strand production wire pulling device

Abstract

The utility model discloses a steel wire traction device for steel strand production, which is arranged between a pay-off machine and a stranding machine. The steel wire traction device comprises a base, a rotating shaft, a torsion spring, a cantilever frame, a winding roller and a rotary switch. The rotating shaft is rotatably installed on the base. The torsion spring is sleeved on the rotating shaft. The two ends of the torsion spring abut against the base and the rotating shaft respectively. One end of the cantilever frame is installed on one end of the rotating shaft and is obliquely arranged. The winding roller is rotatably installed on the other end of the cantilever frame. The rotary switch is adapted to the other end of the rotating shaft. The control end of the pay-off machine is electrically connected to the rotary switch. The steel wire on the pay-off machine is wound on the winding roller and enters the feeding end of the stranding machine. The steel wire traction device ensures the straightening of the steel wire during the change of the angle of the cantilever frame, compensates for the hysteresis caused by the rotary switch control, controls the pay-off speed of the pay-off machine by means of the rotary switch, ensures that the steel wire can be straightened and will not break, and obtains the steel strand with stable quality.

Description

Technical Field

[0001] This utility model relates to the technical field of steel strand processing equipment, and in particular to a steel wire traction device for steel strand production. Background Technology

[0002] Steel strand is a product made of multiple steel wires twisted together, and it comes in various types. With the development of my country's economy, the demand for high-performance materials is increasing, and steel strands are developing towards multi-strand and large-diameter varieties. Traditional steel strands are classified according to the number of steel wires: 2-strand, 3-strand, 7-strand, and 19-strand. During the stranding process, multiple steel wires are drawn from the feed spool and twisted together in the strander.

[0003] During wire feeding, it is difficult to control the speed matching between the feeding machine and the stranding machine, i.e., it is difficult to control the tension of the wire between them, which affects the production quality of the steel strand. Either the feeding machine feeds too fast, the stranding machine feeds too slowly, and the wire becomes loose and droopy, resulting in loose stranding; or the feeding machine feeds too slowly, the stranding machine feeds too fast, and the wire becomes too taut and broken. Therefore, there is an urgent need for a wire traction device that can control the wire tension between the feeding machine and the stranding machine. Utility Model Content

[0004] The purpose of this utility model is to provide a steel wire traction device for steel strand production, so as to solve the problem that it is difficult to control the speed matching between the wire feeding machine and the stranding machine, that is, it is difficult to control the tension of the steel wire between the two, which affects the production quality of steel strand.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: A wire traction device for steel strand production is disclosed, wherein the wire traction device is disposed between a wire feeding machine and a stranding machine, and the signal terminal of the wire traction device is electrically connected to the control terminal of the wire feeding machine; wherein... The wire traction device includes a base, a rotating shaft, a torsion spring, a cantilever frame, a winding roller, and a rotary switch. The rotating shaft is rotatably mounted on the base. The torsion spring is fitted onto the rotating shaft, and both ends of the torsion spring abut against the base and the rotating shaft, respectively. One end of the cantilever frame is mounted on one end of the rotating shaft and is inclined. The winding roller is rotatably mounted on the other end of the cantilever frame. The rotary switch is mounted on the base and is adapted to the other end of the rotating shaft. The control terminal of the wire feeding machine is electrically connected to the rotary switch. The steel wire on the wire feeding machine is wound around the winding roller and enters the feed end of the strander.

[0006] A further technical solution is: a crossbar is provided at the end of the cantilever frame, and a horn-shaped guide cylinder adapted to the steel wire is provided on the crossbar.

[0007] A further technical solution is that the outer roller surface of the winding roller is provided with a spiral groove that is compatible with the steel wire.

[0008] A further technical solution is that the steel wire is wound around the rotating shaft.

[0009] A further technical solution is that the rotary switch is electrically connected to the drive motor of the wire-laying machine via a controller.

[0010] A further technical solution is that the rotary switch is a throttle handle.

[0011] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects: This utility model proposes a wire traction device for steel strand production. This wire traction device ensures the straightening of the wire by adjusting the tilt of the cantilever frame as the angle of the cantilever frame changes, and compensates for the lag caused by the rotary switch control. At the same time, it controls the wire feeding speed of the wire feeding machine by changing the electrical signal of the rotary switch. It can automatically adjust the tension of the wire between the wire feeding machine and the strander to ensure that the wire can enter the strander for stranding while being straight and not breaking, so as to obtain steel strand of stable quality. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of a steel wire traction device for producing steel strand according to the present invention.

[0013] Figure 2 This utility model Figure 1 A schematic diagram of the structure of a torsion spring.

[0014] Figure 3 This utility model Figure 1 A schematic diagram of the winding roller.

[0015] Reference numerals: 1. Wire feeding machine; 2. Wire strander; 3. Wire traction device; 4. Base; 5. Shaft; 6. Torsion spring; 7. Cantilever frame; 8. Winding roller; 9. Rotary switch; 10. Wire; 11. Crossbar; 12. Horn-shaped guide cylinder; 13. Spiral groove; 14. Drive motor. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0017] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0018] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0019] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0020] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Example

[0022] This implementation example Figure 1 and Figure 2 As shown, a wire traction device for steel strand production is disclosed. This wire traction device 3 is disposed between the wire feeding machine 1 and the stranding machine 2, and the signal terminal of the wire traction device 3 is electrically connected to the control terminal of the wire feeding machine 1. The wire traction device 3 includes a base 4, a rotating shaft 5, a torsion spring 6, a cantilever frame 7, a winding roller 8, and a rotary switch 9. The rotating shaft 5 is rotatably mounted on the base 4, the torsion spring 6 is fitted on the rotating shaft 5, and the two ends of the torsion spring 6 respectively abut against the base 4 and the rotating shaft 5. One end of the cantilever frame 7 is mounted on one end of the rotating shaft 5 and is inclined. The winding roller 8 is rotatably mounted on the other end of the cantilever frame 7. The rotary switch 9 is mounted on the base 4 and is adapted to the other end of the rotating shaft 5. The control end of the wire feeding machine 1 is electrically connected to the rotary switch 9. The steel wire 10 on the wire feeding machine 1 is wound on the winding roller 8 and enters the feed end of the strander 2.

[0023] The working process of this utility model is as follows: The worker first manually pulls out the steel wire from the wire feeding machine 1, winds it onto the winding roller 8 of the steel wire traction device 3, and enters the feeding end of the strander 2. During the feeding process of the strander 2 and the wire feeding process of the wire feeding machine 1, the cantilever frame 7 will be within a certain angle (a certain line length) to ensure that the steel wire 10 released by the wire feeding machine 1 is straightened, and can also compensate for the lag caused by the control of the rotary switch 9. If the feeding speed of the strander 2 and the wire feeding speed of the wire feeding machine 1 are not matched, the tension of the wire 10 on both sides of the cantilever frame 7 will be unbalanced. Then the cantilever frame 7 will swing around the rotating shaft 5 in a circle, and the rotating shaft 5 will also be passively rotated, thereby driving the rotary switch 9 to change the electrical signal. The electrical signal is then transmitted to the wire feeding machine 1 to control the wire feeding speed of the wire feeding machine 1. During this period, the cantilever frame 7 changes its posture first, and the wire feeding machine 1 adjusts its wire feeding speed afterwards. Therefore, the angle change of the cantilever frame 7 plays a second role, which is to compensate for the change in line length caused by the wire feeding speed.

[0024] Preferably, the end of the cantilever frame 7 is provided with a crossbar 11, and a horn-shaped guide tube 12 adapted to the steel wire 10 is provided on the crossbar 11.

[0025] When the wire feeding machine 1 feeds the wire, the steel wire 10 will swing back and forth due to its winding method on the wire feeding roller. The trumpet-shaped guide cylinder 12 has two functions: first, to position the steel wire 10 in the feeding direction of the winding roller 8; and second, to ensure that the positioning steel wire 10 can move forward smoothly.

[0026] Preferably, such as Figure 3 As shown, the outer roller surface of the winding roller 8 is provided with a spiral groove 13 that is compatible with the steel wire 10.

[0027] The spiral groove 13 can position the steel wire 10 wound on it and prevent it from getting messed up.

[0028] Preferably, the steel wire 10 is wound around the rotating shaft 5.

[0029] The steel wire 10 is wound around the rotating shaft 5. This serves two purposes: first, it can be positioned, and second, it can ensure that the steel wire 10 between the winding roller 8 and the rotating shaft 5 is straight, that is, the steel wire 10 within the rotation radius of the cantilever frame 7 remains straight.

[0030] Preferably, the rotary switch 9 is electrically connected to the drive motor 14 of the wire feeding machine 1 via a controller.

[0031] Preferably, the rotary switch 9 is a throttle handle.

[0032] The throttle can be any commercially available throttle (such as the throttle on an electric vehicle) used to control the wire feeding speed of the wire feeding machine 1.

[0033] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A steel wire traction device for producing steel strand, characterized in that: The wire traction device (3) is installed between the wire feeding machine (1) and the stranding machine (2), and the signal end of the wire traction device (3) is electrically connected to the control end of the wire feeding machine (1); wherein, The wire traction device (3) includes a base (4), a rotating shaft (5), a torsion spring (6), a cantilever frame (7), a winding roller (8), and a rotary switch (9). The rotating shaft (5) is rotatably mounted on the base (4). The torsion spring (6) is fitted on the rotating shaft (5), and the two ends of the torsion spring (6) abut against the base (4) and the rotating shaft (5) respectively. One end of the cantilever frame (7) is mounted on one end of the rotating shaft (5) and is inclined. The winding roller (8) is rotatably mounted on the other end of the cantilever frame (7). The rotary switch (9) is mounted on the base (4), and the rotary switch (9) is adapted to the other end of the rotating shaft (5). The control end of the wire feeding machine (1) is electrically connected to the rotary switch (9). The wire (10) on the wire feeding machine (1) is wound on the winding roller (8) and enters the feed end of the strander (2).

2. The steel strand production wire traction device according to claim 1, characterized in that: The end of the cantilever (7) is provided with a crossbar (11), and a horn-shaped guide cylinder (12) adapted to the steel wire (10) is provided on the crossbar (11).

3. The steel strand production wire traction device according to claim 1, characterized in that: The outer roller surface of the winding roller (8) is provided with a spiral groove (13) that is compatible with the steel wire (10).

4. The steel strand production wire traction device according to claim 1, characterized in that: The steel wire (10) is wound around the rotating shaft (5).

5. The steel strand production wire traction device according to claim 1, characterized in that: The rotary switch (9) is electrically connected to the drive motor (14) of the wire feeding machine (1) via a controller.

6. The steel strand production wire traction device according to claim 1, characterized in that: The rotary switch (9) is a switch handle.

Images