Warning device for steel cord breakage during dry pulling

Abstract

The utility model relates to the technical field of steel cord production, in particular to a steel cord dry-pull wire breakage alarm device, which comprises connecting parts, a plurality of wire drawing devices, a plurality of wire drawing devices, a plurality of wire drawing devices, a plurality of wire drawing devices and a plurality of wire drawing devices, and is characterized in that the connecting parts are arranged on the outer wall of each die box, and steel wires penetrate through the die boxes; the first end of the pivoting component is rotationally connected to the connecting component, and the rotating axis of the pivoting component is perpendicular to the conveying direction of the steel wire; the first end of the pressing rod is connected to the second end of the pivoting component, and the second end of the pressing rod extends in the steel wire conveying direction and makes contact with the steel wire. The steel wire can be pressed through the wire pressing component, the jumping amplitude of the steel wire is restrained, meanwhile, the position condition of the steel wire is fed back through the wire pressing component, wire breakage alarm is given according to the position of the steel wire, traction of the steel wire can be stopped in time, broken wires are welded and repaired, re-threading is avoided, and the dry drawing production efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel cord production, in particular to a steel cord dry-pulling wire breakage alarm device. Background Art

[0002] Steel cord production involves multiple processes such as dry drawing, electroplating, wet drawing, and stranding. Large and medium drawing belong to the dry drawing process. The dry drawing process is the process of drawing the pre-treated steel wire through a series of dies. It is drawn to the desired diameter through dies of different diameters. For example, when reducing the diameter of the steel wire from a larger size (such as 5.5mm) to the required smaller size (such as 1.5mm~2.3mm), each size reduction requires a specific die for diameter reduction. After entering each die, the steel wire will pass through a reel and be pulled into the next die through the reel.

[0003] If the wire breaks during the dry pulling process, the wire take-up machine will continue to take up the wire, which will cause all the accumulated wire on the reel to be taken up. If the wire breakage is not discovered in time, the operator will need to rethread the wire, which will affect efficiency. Therefore, how to discover the wire breakage in the dry pulling process in time is an urgent problem to be solved. Summary of the Invention

[0004] In view of the technical problems existing in the dry pulling process of steel cords in the prior art, the first aspect of the present invention proposes a steel cord dry pulling broken wire alarm device, comprising:

[0005] A connecting component is provided on the outer wall of each mold box, through which the steel wire passes and the diameter of the steel wire is reduced by a wire drawing die provided in the mold box;

[0006] a pivoting member, a first end of which is rotatably connected to the connecting member, wherein the rotation axis of the pivoting member is perpendicular to the conveying direction of the steel wire;

[0007] a pressure rod, a first end of which is connected to the second end of the pivoting member, a second end of which extends in the direction of feeding the steel wire and contacts the steel wire;

[0008] a baffle connected to the pivot member;

[0009] A photoelectric sensor is provided on one side of the mold box, the photoelectric sensor emits a light beam in a preset direction, and generates an action signal when the light beam is blocked;

[0010] Alarm, used to issue disconnection alarm;

[0011] A controller electrically connected to the alarm and the photoelectric sensor;

[0012] The contact portion between the pressure rod and the steel wire is located between the mold box and the reel, and the mold box and the reel are arranged at intervals along the direction of steel wire conveying;

[0013] When the steel wire between the mold box and the reel breaks and causes the pressure rod to fall, the baffle blocks the light beam emitted by the photoelectric sensor, and the controller drives the alarm to issue a wire break alarm in response to the action signal of the photoelectric sensor.

[0014] Preferably, it further comprises a wire pressing component connected to the second end of the pressure rod and in contact with the steel wire, wherein the wire pressing component can rotate relative to the pressure rod;

[0015] Preferably, when the alarm emits a disconnection alarm, the controller controls all the reels to stop rotating.

[0016] Preferably, the pressure rod is configured to be L-shaped, comprising a first rod body and a second rod body connected to each other, the second rod body being perpendicular to the conveying direction of the steel wire, and the wire pressing component being sleeved on the outer wall of the second rod body.

[0017] Preferably, the wire pressing component includes a counterweight sleeve and a bearing, the counterweight sleeve is connected to the second rod body through the bearing, and the counterweight sleeve is pressed above the steel wire.

[0018] Preferably, a first limiting structure is provided on the connecting component, and a second limiting structure is provided on the pressure rod. When the pressure rod swings upward until the second limiting structure is connected to the first limiting structure, the pressure rod remains in this position, and the wire pressing component is located above the mold box.

[0019] Preferably, the first limiting structure is provided with a card slot, and a metal ball is provided on both sides of the card slot, and a spring is provided on one side of the metal ball. The second limiting structure is designed as a protruding structure and is provided with a groove that cooperates with the metal ball. When the protruding structure is inserted into the card slot, the metal ball enters the groove, so that the second limiting structure and the first limiting structure are fixed to each other.

[0020] Preferably, the first limiting structure and the second limiting structure include permanent magnet structures that attract each other.

[0021] Compared with the prior art, the advantages of the present invention are:

[0022] The wire break alarm device proposed by the utility model is designed between each mold box and the reel in the dry drawing process to detect the state of the steel wire between the mold box and the reel. The device mainly includes a pressure rod, a wire pressing component and an alarm component based on a photoelectric sensor. The wire pressing component can be used to press the steel wire to suppress the amplitude of the steel wire jump. At the same time, the wire pressing component is used to feedback the position of the steel wire and issue a wire break alarm according to the position of the steel wire, which is conducive to stopping the pulling of the steel wire in time and welding to repair the broken wire, avoiding rethreading, and improving the dry drawing production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are not intended to be drawn to scale. In the accompanying drawings, each identical or nearly identical component shown in various figures may be represented by the same reference numeral. For the sake of clarity, not every component is labeled in every figure. Embodiments of various aspects of the present invention will now be described by way of example and with reference to the accompanying drawings, in which:

[0024] Figure 1 This is a schematic diagram of the position of the steel cord dry-pulling wire breakage alarm device arranged between the mold box and the reel shown in the utility model;

[0025] Figure 2 This is a structural diagram of a steel cord dry-pulling wire break alarm device shown in the present invention;

[0026] Figure 3 It is a structural schematic diagram of the pressure rod shown in the utility model;

[0027] Figure 4 It is a structural schematic diagram of the first and second limiting structures shown in the utility model;

[0028] Figure 5 This is a schematic diagram of the utility model showing the pressure rod in a lifted state;

[0029] Figure 6 It is a schematic diagram of the position of the pressure rod when the steel wire is broken shown in the utility model. DETAILED DESCRIPTION

[0030] In order to better understand the technical content of the present invention, specific embodiments are given and described below with reference to the accompanying drawings.

[0031] Combine Figure 1 As shown, the first aspect of the utility model proposes a steel cord dry-drawing broken wire alarm device, comprising a connecting component 10, a pivot component 20, a pressure rod 30, a wire pressing component 40, a baffle 50, a photoelectric sensor 60, an alarm and a controller. The alarm device is used in the dry-drawing process of the steel wire. In the dry-drawing process, the steel wire needs to pass through multiple mold boxes 100, and the diameter of the steel wire 101 is reduced by drawing dies of different diameters arranged in the mold box 100. Between every two mold boxes 100, a reel 200 is provided for winding and drawing the steel wire 101. The alarm device can monitor the status of the steel wire between every two mold boxes 100, especially after monitoring the broken wire, the reel 200 can be controlled to stop rotating in time to facilitate the staff to re-weld the steel wire and avoid the operation of re-threading.

[0032] Combine Figure 2 As shown, the connecting component 10 is provided on the outer wall of each mold box 100 , the first end of the pivoting component 20 is rotatably connected to the connecting component 10 , and the rotation axis of the pivoting component 20 is perpendicular to the conveying direction of the steel wire 101 .

[0033] Optionally, the connecting component 10 can be a metal plate, which can be fixed to the surface of the mold box 100 by screws. A rotating shaft is also connected to the surface of the metal plate by screws. The pivoting component 20 can be a rotating sleeve with a bearing, which is mounted on the outer wall of the rotating shaft so that the rotating sleeve and the rotating shaft rotate relative to each other.

[0034] In this way, the rotation resistance between the rotating sleeve and the rotating shaft is small and the rotation is flexible.

[0035] Furthermore, the first end of the pressure rod 30 is connected to the second end of the pivot component 20, and the second end extends in the conveying direction of the steel wire 101. The wire pressing component 40 is connected to the second end of the pressure rod 30 and contacts the steel wire 101. The wire pressing component 40 can rotate relative to the pressure rod 30.

[0036] The contact portion between the wire pressing component 40 and the steel wire 101 is located between the mold box 100 and the reel 200 , and the mold box 100 and the reel 200 are arranged at intervals along the conveying direction of the steel wire 101 .

[0037] When the steel wire 101 is continuously conveyed forward, the steel wire 101 contacts the surface of the wire pressing component 40, and the wire pressing component 40 rotates accordingly to reduce friction on the steel wire 101. When the steel wire 40 swings up and down, the pressure rod 30 swings synchronously with the up and down swing of the steel wire.

[0038] Furthermore, the baffle 50 is connected to the pivoting member 20 , and the photoelectric sensor 60 is disposed on one side of the mold box 100 , especially below the baffle 50 . The photoelectric sensor 60 emits a light beam in a preset direction and generates an action signal when the light beam is blocked.

[0039] It can be understood that the wire pressing component 40 at the second end of the pressure rod 30 floats up and down synchronously with the swing of the steel wire 101, so that the pivoting component 20 at the first end of the pressure rod 30 rotates together with the baffle 50 to a predetermined angle. When the baffle 50 rotates, it produces an obstructed and non-obstructed state with the light beam emitted by the photoelectric sensor 60, causing the output signal of the photoelectric sensor 60 to change.

[0040] That is, as the pressure rod 30 swings, the baffle 50 also produces corresponding displacement. When the baffle 50 moves to the light path emitted by the photoelectric sensor 60, it blocks the light beam of the photoelectric sensor 60, and the photoelectric sensor 60 generates an action signal. When the baffle 50 moves out of the light path, the action signal of the photoelectric sensor 60 disappears.

[0041] In this way, the conveying status of the steel wire 101, especially whether the wire is broken, can be judged based on the action signal of the above-mentioned photoelectric sensor 60. By setting a wire pressing component 40, a photoelectric sensor 60, etc. between the mold box 100 and the reel 200, the conveying status of the steel wire 101 between each mold box 100 and the reel 200 can be judged.

[0042] Furthermore, the alarm is used to issue a disconnection alarm, and the controller is connected to the photoelectric sensor 60 and the alarm, and controls the alarm state of the alarm according to the action signal output by the photoelectric sensor 60.

[0043] Specifically, the controller is configured to control the alarm to issue a disconnection alarm according to the time when the photoelectric sensor 60 outputs the action signal.

[0044] Furthermore, when the photoelectric sensor 60 continuously outputs an action signal within a predetermined period T and the duration is greater than a preset value, the controller controls the alarm to issue a disconnection alarm.

[0045] For example, the duration of each cycle is set to 10s. When the photoelectric sensor 60 continuously outputs an action signal for more than 3s, that is, the light beam emitted by the photoelectric sensor 60 is blocked by the baffle 50 for 3s, the controller controls the alarm to issue a disconnection alarm.

[0046] In a preferred embodiment, when the controller controls the alarm to send out the wire breakage alarm, all the reels 200 stop rotating. Like this, can avoid the reel 200 from continuously winding the steel wire 101, make the staff be able to weld the position of the broken wire again, avoid the threading operation again.

[0047] Combine Figure 2 and Figure 3 As shown, the pressure rod 30 is configured in an L-shape and includes a first rod body 30a and a second rod body 30b connected to each other. The second rod body 30b is perpendicular to the feeding direction of the steel wire 101, and the wire pressing component 40 is sleeved on the outer wall of the second rod body 30b. The wire pressing component 40 includes a counterweight sleeve and a bearing. The counterweight sleeve is connected to the second rod body 30b via the bearing, and the counterweight sleeve presses on the top of the steel wire 101.

[0048] In this way, the pressing effect of the wire pressing component 40 on the steel wire 101 can reduce the amplitude of the wire jump of the steel wire 101, so as to prevent the steel wire 101 from breaking when it swings greatly.

[0049] In a specific embodiment, the counterweight sleeve is configured as an annular sleeve, which is connected to the second rod body 30b through a bearing, which can reduce the resistance to rotation of the annular sleeve and cause rolling friction between the annular sleeve and the steel wire 101, so that the steel wire 101 will not be scratched by the annular sleeve.

[0050] Before the steel wire 101 is dry-drawn, especially when the steel wire 101 is manually passed through each mold box 100, the wire pressing component 40 and the pressure rod 30 should be arranged at a higher height. After the steel wire 101 is threaded, the wire pressing component 40 is placed above the steel wire 101. In order to facilitate this operation, the wire pressing component 40 should be able to be easily fixed to a suitable height.

[0051] Combine Figure 4 as well as Figure 5 As shown, a first limiting structure 12 is provided on the connecting part 10, and a second limiting structure 31 is provided on the pressure rod 30. When the pressure rod 30 swings upward until the second limiting structure 31 is connected to the first limiting structure 12, the pressure rod 30 remains in this position, and the wire pressing part 40 is located above the mold box 100.

[0052] In an optional embodiment, the first limiting structure 12 is connected to the surface of the metal plate through an L-shaped plate 11. The first limiting structure 12 is provided with a slot 121, and a metal ball 122 is provided on both sides of the slot 121. There is a spring 123 on one side of the metal ball 122. The second limiting structure 31 is designed as a protruding structure and is provided with a groove 311 that cooperates with the metal ball 122. When the protruding structure is inserted into the slot 121, the metal ball 122 enters the groove 311, so that the second limiting structure 31 and the first limiting structure are fixed to each other. At this time, the pressure rod 30 remains in this position.

[0053] In other embodiments, the first limiting structure 12 and the second limiting structure 31 may be permanent magnet structures that attract each other.

[0054] This is beneficial for keeping the pressing rod 30 in a suitable position when the steel wire 101 is threaded, and for pressing the wire pressing component 40 against the surface of the steel wire 101 after threading is completed.

[0055] Combine Figure 6 As shown, when the steel wire 101 is broken, the shielding plate 52 at this time continuously blocks the light beam emitted by the photoelectric sensor 60, and the photoelectric sensor 60 continuously outputs the action signal without disappearing. Therefore, the sensitivity of the broken wire alarm can be adjusted according to the duration of the continuous output action signal.

[0056] In combination with the above embodiments, the wire break alarm device proposed in the present invention is designed between each mold box and reel in the dry pulling process to detect the status of the steel wire between the mold box and the reel. The device mainly includes a pressure rod, a wire pressing component and an alarm component based on a photoelectric sensor. The wire pressing component can be used to press the steel wire to suppress the amplitude of the steel wire jump. At the same time, the wire pressing component is used to feedback the position of the steel wire and perform a wire break alarm according to the position of the steel wire, which is conducive to stopping the pulling of the steel wire in time and welding to repair the broken wire to avoid rethreading, thereby improving the dry pulling production efficiency.

[0057] While the present invention has been described above with reference to preferred embodiments, this is not intended to limit the present invention. Persons skilled in the art will readily appreciate that various modifications and variations may be made without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the claims.

Claims

1. A steel cord dry wire break alarm device, characterized in that: include: A connecting component (10) is provided on the outer wall of each mold box (100), the steel wire (101) passes through the mold box (100), and the diameter of the steel wire (101) is reduced by a wire drawing die provided in the mold box (100); A pivoting component (20), a first end of which is rotatably connected to the connecting component (10), and a rotation axis of the pivoting component (20) is perpendicular to the conveying direction of the steel wire (101); A pressure rod (30), a first end of which is connected to the second end of the pivoting member (20), and a second end of which extends in the conveying direction of the steel wire (101) and contacts the steel wire (101); a baffle (50) connected to the pivot member (20); A photoelectric sensor (60) is provided on one side of the mold box (100), wherein the photoelectric sensor (60) emits a light beam in a preset direction and generates an action signal when the light beam is blocked; An alarm for issuing a disconnection alarm; A controller electrically connected to the alarm and the photoelectric sensor (60); The contact portion between the pressure rod (30) and the steel wire (101) is located between the mold box (100) and the reel (200), and the mold box (100) and the reel (200) are arranged at intervals along the conveying direction of the steel wire (101); When the steel wire (101) between the mold box (100) and the reel (200) breaks and causes the pressure rod (30) to fall, the baffle (50) blocks the light beam emitted by the photoelectric sensor (60), and the controller drives the alarm to issue a break alarm in response to the action signal of the photoelectric sensor (60).

2. The steel cord dry wire breakage alarm device according to claim 1, characterized in that: It also includes a wire pressing component (40) connected to the second end of the pressure rod (30) and in contact with the steel wire (101), and the wire pressing component (40) can rotate relative to the pressure rod (30).

3. The steel cord dry wire breakage alarm device according to claim 1, characterized in that: When the alarm emits a line break alarm, the controller controls all the reels (200) to stop rotating.

4. The steel cord dry wire breakage alarm device according to claim 2, characterized in that: The pressing rod (30) is configured to be L-shaped, comprising a first rod body (30a) and a second rod body (30b) connected to each other, wherein the second rod body (30b) is perpendicular to the conveying direction of the steel wire (101), and the wire pressing component (40) is sleeved on the outer wall of the second rod body (30b).

5. The steel cord dry wire breakage alarm device according to claim 4, characterized in that: The wire pressing component (40) comprises a counterweight sleeve and a bearing, the counterweight sleeve is connected to the second rod body (30b) via the bearing, and the counterweight sleeve is pressed above the steel wire (101).

6. The steel cord dry wire breakage alarm device according to claim 2, characterized in that: The connecting component (10) is provided with a first limiting structure (12), and the pressing rod (30) is provided with a second limiting structure (31). When the pressing rod (30) swings upward until the second limiting structure (31) and the first limiting structure (12) are connected to each other, the pressing rod (30) remains in this position, and the pressing component (40) is located above the mold box (100).

7. The steel cord dry wire breakage alarm device according to claim 6, characterized in that: The first limiting structure (12) is provided with a slot (121), and a metal ball (122) is provided on both sides of the slot (121). A spring (123) is provided on one side of the metal ball (122). The second limiting structure (31) is designed as a protruding structure and is provided with a groove (311) that cooperates with the metal ball (122). When the protruding structure is inserted into the slot (121), the metal ball (122) enters the groove (311), thereby fixing the second limiting structure (31) and the first limiting structure (12) to each other.

8. The steel cord dry wire breakage alarm device according to claim 6, characterized in that: The first limiting structure (12) and the second limiting structure (31) comprise permanent magnet structures that attract each other.

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