Wheel falling prevention device for straightener of steel cord wet drawing machine

Abstract

The utility model relates to a steel cord wet drawing machine straightener wheel drop prevention device, which comprises a detection plate, a direct current power supply for supplying power to the detection plate and a controller for monitoring the voltage of the detection plate, and is characterized in that the detection plate is arranged at one end part of a straightener, so that a steel wire can smoothly pass through the straightener and the detection plate; the detection plate is provided with a wire passing groove and a detection groove, the wire passing groove is vertically communicated with the detection groove, one end part of the wire passing groove extends to the edge of the detection plate, so that a steel wire can conveniently enter the wire passing groove, and the steel wire passes through the detection groove after bypassing the straightener and penetrates out of the detection plate; the detection plate is connected with a direct-current power supply, electrification of the detection plate is conveniently achieved, an insulation installation assembly is arranged between the detection plate and one end of the straightener, electrification on the straightener is avoided, and the detection plate is further electrically connected with the controller. According to the utility model, the detection plate is electrified, the steel wire contacts with the detection plate after wheel falling, the steel wire is electrified, and the controller monitors the voltage change on the detection plate, so that the wheel falling phenomenon of the steel wire can be monitored on line in real time.

Description

Technical Field

[0001] The utility model relates to the technical field of straighteners, in particular to a wheel-dropping prevention device for a steel cord wet-drawing machine straightener. Background Art

[0002] The steel cord wet drawing machine is used for drawing steel cords and can produce steel wires of different diameters. The straightener installed on the wet drawing machine is a tool used to correct the straightness of the steel wire to achieve stable wire properties. The straightener plays a key physical role in the wire drawing and forming process. The straightener currently used by our unit is an existing technology. At the same time, the multi-layer strand cord twisting process and core wire straightener disclosed in application number 201010262516.5 also disclose the structure of the straightener.

[0003] In actual application, the straightener may experience "wheel drop" due to reasons such as too fast straightening speed, wear and loosening of parts after long-term use, and vibration and impact of the external environment. "Wheel drop" means that the steel wire falls off the straightening wheel of the straightener. At this time, the machine must be stopped in time for processing. Once the "wheel drop" situation occurs, the operator needs to be aware of the situation at the first time and deal with it in time. For this reason, a wheel drop prevention device for the steel cord wet drawing machine straightener is proposed. Summary of the invention

[0004] In order to solve the problem that it is difficult for operators to observe the phenomenon of "wheel falling" of the steel wire in time and cannot shut down the machine in time for processing, the utility model provides a wheel falling prevention device for a steel cord wet drawing machine straightener, and a charged detection plate is arranged on the path through which the steel wire passes. Once the steel wire "wheel falls", it will contact the detection plate, and the voltage on the detection plate will change. The voltage change is sensed by a controller, and the equipment is controlled to shut down in time.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A wheel-drop prevention device for a straightener of a steel cord wet-drawing machine, comprising a detection plate, a DC power supply for the detection plate, and a controller for monitoring the voltage of the detection plate, wherein the detection plate is arranged at one end of the straightener to facilitate smooth winding of the steel wire through the straightener and the detection plate;

[0007] The detection plate is provided with a wire groove and a detection groove, the wire groove and the detection groove are vertically connected, one end of the wire groove extends to the edge of the detection plate, so that the steel wire can enter the wire groove, and the steel wire passes through the straightener and passes through the detection groove to pass out of the detection plate;

[0008] The detection board is connected to the DC power supply to facilitate the charging of the detection board. An insulating mounting assembly is provided between the detection board and one end of the straightener to prevent the straightener from being charged. The detection board is also electrically connected to the controller.

[0009] Furthermore, the detection plate is a metal plate body, the wire groove is arranged vertically, and is arranged in a "丄" shape after the wire groove and the detection groove are connected. The width of the wire groove is smaller than the width of the detection groove. The upper end of the wire groove extends out of the upper plane of the detection plate, and the steel wire passes through the wire groove and enters the detection groove.

[0010] Furthermore, the detection plate is connected to one end of the straightener through the insulating mounting assembly, and two mounting slots are provided on the detection plate. The mounting slots are vertically arranged strip structures, and the insulating mounting assembly passes through the mounting slots and is connected and fixed to one end of the straightener. The detection plate can move up and down to adapt to the running path of the steel wire.

[0011] Furthermore, the insulating mounting assembly includes a mounting screw, an insulating sleeve gasket and a wiring piece, the diameter of the mounting screw is smaller than the width of the mounting slot, the mounting screw is suspended in the mounting slot and does not directly contact the detection plate, and the head of the mounting screw is threadedly connected to one end of the straightener;

[0012] The mounting screw is sleeved with two insulating sleeves, which are stepped sleeve structures. The two insulating sleeves are tightly attached to the two sides of the mounting groove. The diameter of the large diameter end of the insulating sleeve is larger than the width of the mounting groove, thereby preventing the mounting screw from being charged.

[0013] Furthermore, the DC power supply is electrically connected to the detection board through a wiring piece, and the wiring piece includes a circular ring segment and a hollow cylindrical segment, and the circular ring segment and the cylindrical segment are integrally formed up and down, and the circular ring segment is sleeved on the mounting screw and contacts the surface of the detection board, and the inner diameter of the circular ring segment is larger than the diameter of the mounting screw and does not directly contact the mounting screw.

[0014] Furthermore, one of the insulating sleeves extends into the installation groove to form a limiting section, and the limiting section is a circular ring, and the outer diameter of the limiting section is adapted to the width of the installation groove, thereby preventing the detection plate from moving left and right.

[0015] Through the above technical solution, the beneficial effects of the utility model are:

[0016] The utility model has a reasonable structural design. A detection plate is arranged at one end of the straightener. The straightener and the detection plate are insulated to avoid current transmission. In the process of the steel wire winding through the straightener and the detection plate, a wire passing groove and a detection groove are provided on the detection plate to provide a channel for the steel wire to pass through. The steel wire can enter the detection groove from the wire passing groove. A DC power supply realizes the charging of the detection plate. The controller monitors the voltage change on the detection plate. When the steel wire is operating normally, it is in a suspended state in the detection groove. Once the steel wire falls off the wheel and falls to contact the detection plate, the steel wire is charged. The controller will sense the voltage change on the detection plate and control the equipment to shut down in time, so as to achieve online real-time monitoring of the steel wire falling off the wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is the installation schematic diagram of the anti-drop wheel device of the straightener of the steel cord wet drawing machine of the present utility model.

[0018] Figure 2 It is the Figure 1 partial enlarged schematic diagram in the anti-drop wheel device of the straightener of the steel cord wet drawing machine of the present utility model.

[0019] Figure 3 It is the detection principle diagram of the anti-drop wheel device of the straightener of the steel cord wet drawing machine of the present utility model. The dots in the detection groove in the figure are the cross-sections of the steel wires.

[0020] Figure 4 It is the cross-sectional view of the insulating installation component of the anti-drop wheel device of the straightener of the steel cord wet drawing machine of the present utility model.

[0021] Figure 5 It is the installation schematic diagram of the connection piece and the installation screw of the anti-drop wheel device of the straightener of the steel cord wet drawing machine of the present utility model.

[0022] The reference numerals in the drawings are: 1 straightener, 2 detection plate, 3 DC power supply, 4 controller, 5 insulating installation component, 51 installation screw, 52 insulating sleeve gasket, 53 connection piece, 6 installation groove, 7 limiting section, 8 wire passing groove, 9 detection groove, 10 circular ring section, 11 cylindrical section. Specific embodiments

[0023] The following describes the specific embodiments of the present utility model in detail with reference to the drawings:

[0024] As Figures 1 to 5 shown, the anti-drop wheel device of the straightener of the steel cord wet drawing machine is used to monitor the running state of the steel wire in real time, and can alarm and stop the machine in time when the steel wire drops the wheel. The anti-drop wheel device includes a detection plate 2, a DC power supply 3 for supplying power to the detection plate 2, and a controller 4 for monitoring the voltage of the detection plate 2, as Figure 1 and Figure 2 shown.

[0025] The detection plate 2 is a metal plate body, and the detection plate 2 is arranged at one end of the straightener 1. When the detection plate 2 is installed, it is detachably connected to one end of the straightener 1. Specifically, an insulating installation component 5 is arranged between the detection plate 2 and one end of the straightener 1, and the detection plate 2 is connected to one end of the straightener 1 through the insulating installation component 5. The insulating installation component 5 can not only connect the detection plate 2 and the straightener 1, but also isolate the current and prevent the current on the detection plate 2 from being transmitted to the straightener 1.

[0026] At the same time, two mounting grooves 6 are provided on the detection board 2. The mounting grooves 6 are vertically arranged strip structures. The insulating mounting assembly 5 passes through the mounting grooves 6 and is connected and fixed to one end of the straightener 1, so that the upper and lower positions of the detection board 2 can be adjusted. The insulating mounting assembly 5 includes a mounting screw 51, an insulating sleeve gasket 52 and a wiring piece 53. The diameter of the mounting screw 51 is smaller than the width of the mounting groove 6. The mounting screw 51 is suspended in the mounting groove 6, so that the mounting screw 51 does not directly contact the detection board 2. The head of the mounting screw 51 is threadedly connected to one end of the straightener 1.

[0027] Two insulating sleeves 52 are sleeved on the mounting screw 51. The insulating sleeves 52 are of a stepped sleeve structure and are arranged symmetrically at intervals in front and back. The diameter of the large diameter end of the insulating sleeve 52 is larger than the width of the mounting groove 6. After tightening the mounting screw 51, the two insulating sleeves 52 are closely attached to the two side surfaces of the mounting groove 6. The insulating sleeves 52 are directly pressed and contacted with the two side surfaces of the detection board 2 in the thickness direction, thereby fixing the detection board 2.

[0028] To ensure the reliability of the fixing of the detection board 2, one of the insulating sleeves 52 extends into the installation groove 6 to form a limit section 7. The limit section 7 is a circular ring. The outer diameter of the limit section 7 is adapted to the width of the installation groove 6. The installation screw 51 passes through the limit ring. The limit section 7 can limit the installation groove 6, so that the detection board 2 can no longer move horizontally left and right. The detection board 2 can only move vertically up and down. Figure 4 shown.

[0029] A wire passing groove 8 and a detection groove 9 are provided on the detection plate 2. The wire passing groove 8 is arranged vertically, and one end of the wire passing groove 8 extends to the edge of the detection plate 2. Specifically, the upper end of the wire passing groove 8 extends out of the upper plane of the detection plate 2. The width of the wire passing groove 8 is smaller than the width of the detection groove 9. The wire passing groove 8 and the detection groove 9 are vertically connected. Specifically, the wire passing groove 8 and the detection groove 9 are arranged in a "丄" shape after being connected.

[0030] The steel wire passes through the wire groove 8 and enters the detection groove 9. After the steel wire passes around the straightener 1, it passes through the detection groove 9 and passes through the detection plate 2. When the steel wire is in normal operation, the steel wire is suspended in the detection groove 9. Once the steel wire falls off the wheel, it will fall and contact the charged detection plate 2.

[0031] The detection board 2 is connected to a DC power supply 3, which is a device for maintaining a constant voltage and current in the circuit. The DC power supply 3 can make the detection board 2 charged. When wiring, the DC power supply 3 is electrically connected to the detection board 2 through the wiring piece 53, that is, the positive and negative electrodes of the DC power supply 3 are respectively connected to the wiring pieces 53 in the two insulating mounting components 5 through wires.

[0032] The terminal piece 53 includes a circular ring section 10 and a hollow cylindrical section 11, and the circular ring section 10 and the cylindrical section 11 are integrally formed up and down. The circular ring section 10 is sleeved on the mounting screw 51 and contacts the surface of the detection plate 2. The circular ring section 10 is fixed by the extrusion of an insulating gasket 52 and the detection plate 2. The inner diameter of the circular ring section 10 is larger than the diameter of the mounting screw 51, so that the terminal piece 53 does not contact the mounting screw 51. At the same time, under the action of the insulating gasket 52, it is ensured that only the detection plate 2 is electrified, and the mounting screw 51 and the straightener 1 are not electrified, as Figure 5 shown.

[0033] The detection plate 2 is also electrically connected to the controller 4. The electrical connection refers to a circuit connection of physical contact. The controller 4 uses a programmable controller of the CPU226 XP model and can monitor the voltage change on the detection plate 2. At the same time, the controller 4 is also connected to the control system of the wet drawing machine and can control the start and stop of the wet drawing machine.

[0034] The principle of the present utility model is as follows: In the initial state, the DC power supply 3 makes the detection plate 2 electrified, and at the same time the controller 4 monitors the voltage on the detection plate 2, as Figure 3 shown. During the process that the steel wire passes through the straightener 1 and the detection groove 9 and is in the running state, the steel wire is suspended in the detection groove 9 and does not contact the detection plate 2. Once the steel wire has a phenomenon of falling off the wheel, the steel wire will fall and contact the detection plate 2, and then the steel wire wire will be electrified, and the voltage on the detection plate 2 will change. After the controller 4 senses the voltage change, it will give an alarm in time and control the equipment to stop running, thereby realizing the real-time online monitoring of the steel wire falling off the wheel.

[0035] The above-mentioned embodiments are only the preferred embodiments of the present utility model and do not limit the implementation scope of the present utility model. Therefore, all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent shall be included in the scope of the patent application of the present utility model.

Claims

1. The anti-drop wheel device of the steel cord wet drawing machine straightener is characterized by: It includes a detection board (2), a DC power supply (3) for powering the detection board (2), and a controller (4) for monitoring the voltage of the detection board (2). The detection board (2) is arranged at one end of a straightener (1). A wire groove (8) and a detection groove (9) are formed on the detection board (2). The wire groove (8) and the detection groove (9) are vertically connected. One end of the wire groove (8) extends to the edge of the detection board (2). After the steel wire bypasses the straightener (1), it passes through the detection groove (9) and penetrates out of the detection board (2). The detection board (2) is connected to the DC power supply (3). An insulating mounting component (5) is arranged between the detection board (2) and one end of the straightener (1). The detection board (2) is also electrically connected to the controller (4).

2. The anti-drop wheel device for the steel cord wet drawing machine straightener according to claim 1, characterized in that: The detection board (2) is a metal plate body. The wire groove (8) is arranged vertically. After the wire groove (8) and the detection groove (9) are connected, they are arranged in a "丄" shape. The width of the wire groove (8) is smaller than the width of the detection groove (9). The upper end of the wire groove (8) extends out of the upper plane of the detection board (2). The steel wire passes through the wire groove (8) and penetrates into the detection groove (9).

3. The anti-drop wheel device for the steel cord wet drawing machine straightener according to claim 1, characterized in that: The detection board (2) is connected to one end of the straightener (1) through the insulating mounting component (5). Two mounting grooves (6) are also formed on the detection board (2). The mounting grooves (6) are strip-shaped structures arranged vertically. The insulating mounting component (5) passes through the mounting grooves (6) and is connected and fixed to one end of the straightener (1).

4. The anti-drop wheel device for the steel cord wet drawing machine straightener according to claim 3, characterized in that: The insulating mounting component (5) includes a mounting screw (51), an insulating gasket (52), and a wiring piece (53). The diameter of the mounting screw (51) is smaller than the width of the mounting groove (6). The mounting screw (51) is suspended and passes through the mounting groove (6). The head of the mounting screw (51) is threadedly connected to one end of the straightener (1). Two insulating gaskets (52) are sleeved on the mounting screw (51). The insulating gasket (52) is a stepped shaft sleeve structure. The two insulating gaskets (52) are closely attached to both sides of the mounting groove (6). The diameter of the large-diameter end of the insulating gasket (52) is larger than the width of the mounting groove (6).

5. The anti-drop wheel device for the steel cord wet drawing machine straightener according to claim 4, characterized in that: The DC power supply (3) is electrically connected to the detection board (2) through the wiring piece (53). The wiring piece (53) includes a circular ring section (10) and a hollow cylindrical section (11). The circular ring section (10) and the cylindrical section (11) are integrally formed up and down. The circular ring section (10) is sleeved on the mounting screw (51) and contacts the surface of the detection board (2). The inner diameter of the circular ring section (10) is larger than the diameter of the mounting screw (51).

6. The anti-drop wheel device for the steel cord wet drawing machine straightener according to claim 4, characterized in that: One of the insulating gaskets (52) extends into the mounting groove (6) to form a limiting section (7). The limiting section (7) is a circular ring body. The outer diameter of the limiting section (7) is adapted to the width of the mounting groove (6).

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