CN211254790U

CN211254790U - Flaw detection line tension device

Info

Publication number: CN211254790U
Application number: CN201922214645.6U
Authority: CN
Inventors: 朱文浩
Original assignee: Gongyi City Hengming Metal Products Co ltd
Current assignee: Gongyi City Hengming Metal Products Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-08-14
Anticipated expiration: 2029-12-11

Abstract

The utility model belongs to the technical field of the technique of metal product processing and specifically relates to a line tension device detects a flaw. It includes the frame, be provided with the fixed axle in the frame, the cover is equipped with the bearing on the fixed axle, it is connected with the tension arm to rotate through the bearing on the fixed axle, tension arm and bearing lateral wall fixed connection and tension arm level set up, the fixed wire wheel that is provided with of one end that the bearing was kept away from to the tension arm, be provided with elastic component in the frame, elastic component is connected near the one end of wire wheel with the tension arm, one side fixedly connected with arc of tension arm is kept away from to the bearing, distance sensor is installed to the opposite side of arc, distance sensor's detection end is perpendicular with the cambered surface of arc, the other pay-off and the take-up that are provided with of. The utility model discloses can the automatically regulated unwrapping wire speed, make the speed of receiving, unwrapping wire keep unanimous.

Description

Flaw detection line tension device

Technical Field

The utility model belongs to the technical field of the technique of metal product processing and specifically relates to a line tension device detects a flaw.

Background

In the steel wire production process, the steel wire is often required to be wound and unwound, and the steel wire is required to keep proper tension in the winding and unwinding process so as to facilitate winding and unwinding, so that a wire guide wheel can be arranged between the winding device and the unwinding device. At present common receipts unwinding device is simple only and rotates through driving motor drive rolling dish and drawing drum, and along with the continuous unwrapping wire of drawing drum, the steel wire book diameter on the drawing drum diminishes gradually, and unwrapping wire speed can slow down gradually, and the rotational speed of rolling dish is unchangeable, but the steel wire book diameter on the rolling dish grow gradually, and receiving line speed is fast gradually, causes the speed nonconformity of receipts, unwrapping wire, makes the tension grow on the steel wire, causes the harm to equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a line tension device detects a flaw through the rotational speed of control converter and then control motor to reach automatically regulated unwrapping wire speed, make the speed of receiving, unwrapping wire keep unanimous purpose.

The above object of the present invention is achieved by the following technical solutions:

visit a flaw line tension device, which comprises a frame, be provided with the fixed axle in the frame, the cover is equipped with the bearing on the fixed axle, it is connected with the tension arm to rotate through the bearing on the fixed axle, tension arm and bearing lateral wall fixed connection and tension arm level set up, the fixed wire wheel that is provided with of one end that the bearing was kept away from to the tension arm, be provided with elastic component in the frame, elastic component is connected near the one end of wire wheel with the tension arm, one side fixedly connected with arc of tension arm is kept away from to the bearing, distance sensor is installed to the opposite side of arc, distance sensor's detection end is perpendicular with the cambered surface of arc, the other pay-off and the take-up of being provided with.

By adopting the technical scheme, the steel wire is transmitted from the pay-off device and is wound by the take-up device through the wire guide wheel, along with the continuous pay-off of the pay-off device, the diameter of a steel wire coil of the pay-off device is gradually reduced, the pay-off speed is reduced, the tension of the steel wire by the take-up device is increased, so that the tension on the steel wire is increased, at the moment, the wire guide wheel can drive the tension arm and the bearing to rotate around the fixed shaft under the action of the steel wire, the elastic component is in a stretching state, the bearing rotates to drive the arc-shaped plate to rotate, the arc-shaped plate rotates, the distance from the detection end of the distance sensor to the arc-shaped plate is increased, the distance sensor transmits a signal to the pay-off device, the pay-off speed of the pay-off device is increased, the tension on the steel wire is, the distance between the arc-shaped plate and the detection end of the distance sensor is recovered to the initial state, and the tension device can automatically adjust the paying-off speed to keep the paying-off and paying-off speeds consistent.

The utility model discloses further set up to: the pay-off device comprises a pay-off component and a driving component, the pay-off component comprises a base, a middle shaft and a pay-off reel, the driving component comprises a frequency converter, a motor and two belt pulleys, the middle shaft is vertically and rotatably connected to the base, the pay-off reel is fixedly connected to one end, far away from the base, of the middle shaft, the motor is connected with the frequency converter, the two belt pulleys are arranged, one belt pulley is coaxially and fixedly connected with an output shaft of the frequency converter, the other belt pulley is arranged on the middle shaft in a penetrating mode and is coaxially and fixedly connected with the middle.

Through adopting above-mentioned technical scheme, starter motor, motor drive converter rotate, and the converter drives the belt pulley rotation afterwards, drives another belt pulley rotation through belt transmission, and then drives the coaxial rotation of axis, drives the drawing drum at last and rotates the unwrapping wire operation that realizes the steel wire.

The utility model discloses further set up to: the elastic assembly is set to be a tension spring, one end of the tension spring is fixedly connected with the tension arm, and the other end of the tension spring is fixedly connected with the side wall of the rack.

Through adopting above-mentioned technical scheme, when tension on the steel wire is great, when the tension arm takes place to rotate, the spring is tensile under the effect of tension arm, and when tension on the steel wire diminishes, the tension arm counter-rotation under the effect of spring force, the structure is fairly simple, connects the convenience.

The utility model discloses further set up to: the protection cover is arranged on the rack, the protection cover is covered on the side wall of the rack, which is provided with the distance sensor and the arc-shaped plate, and the protection cover is detachably connected with the rack.

Through adopting above-mentioned technical scheme, the protection casing plays the guard action to inside part, prevents to receive external disturbance influence distance sensor's accuracy, and the connection convenience can be dismantled to the protection casing simultaneously and the part inside the protection casing is changed.

The utility model discloses further set up to: the tension arm is of a cuboid structure and is not in contact with the rack.

Through adopting above-mentioned technical scheme, the tension arm sets up the installation that makes things convenient for the wire wheel for the cuboid structure, and the tension arm makes the rotation of tension arm easier with frame contactless.

To sum up, the utility model discloses a beneficial technological effect does:

1. the elastic component is arranged on the rack, the elastic component is connected with one end, close to the wire guide wheel, of the tension arm, the arc-shaped plate is fixedly connected to one side, away from the tension arm, of the bearing, the distance sensor is mounted on the other side of the arc-shaped plate, the detection end of the distance sensor is perpendicular to the arc surface of the arc-shaped plate, the pay-off device and the take-up device are arranged beside the rack, and the distance sensor is in signal connection with the pay-off device, so that the purposes of automatically adjusting the pay-off speed and keeping the pay-off;

2. the elastic assembly is set as a tension spring, one end of the tension spring is fixedly connected with the tension arm, and the other end of the tension spring is fixedly connected with the side wall of the rack, so that the structure is simple, and the connection is convenient;

3. be provided with the protection casing in the frame, play the guard action to inside part, prevent to receive external disturbance influence distance sensor's accuracy, the protection casing can be dismantled with the frame and be connected, and the convenience is changed the inside part of protection casing.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic top view of the shield of FIG. 1 with the shield removed;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

In the figure, 1, a frame; 11. a fixed shaft; 12. a protective cover; 13. a bearing; 2. a tension arm; 21. a wire guide wheel; 3. a tension spring; 4. an arc-shaped plate; 5. a distance sensor; 6. a pay-off assembly; 61. a base; 62. a middle shaft; 63. a pay-off reel; 7. a drive assembly; 71. a frequency converter; 72. a motor; 73. a belt pulley; 8. a take-up device; 81. a shelf; 82. a drive motor; 83. a winding disc; 9. a steel wire.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 3, for the utility model discloses a flaw detection line tension device, including frame 1, vertical fixed being provided with fixed axle 11 on the last lateral wall of frame 1, the cover is equipped with bearing 13 on the fixed axle 11, fixedly connected with tension arm 2 on the outer lane lateral wall of bearing 13, and tension arm 2 is perpendicular and the level setting with the bearing 13 outer lane, and tension arm 2 passes through bearing 13 and is connected with fixed axle 11 rotation. The tension arm 2 is of a cuboid structure, and the tension arm 2 is not in contact with the rack 1, so that the rotation of the tension arm 2 is easier. The end of the tension arm 2 away from the bearing 13 is fixedly provided with a wire guide wheel 21, and the wire guide wheel 21 provides proper tension for the transmission of the steel wire 9. The frame 1 is provided with a tension spring 3, one end of the tension spring 3 is fixedly connected with one end of the tension arm 2 close to the wire guide wheel 21, and the other end of the tension spring 3 is fixedly connected with the side wall of the frame 1. When the tension on the steel wire 9 is larger, the steel wire 9 generates acting force on the wire guide wheel 21, so that the tension arm 2 rotates around the fixed shaft 11, and the spring is stretched under the action of the tension arm 2; when the tension on the wire 9 is reduced, the tension arm 2 will rotate in the opposite direction under the spring force.

Referring to fig. 2 and 3, one side of the bearing 13 far away from the tension arm 2 is fixedly connected with an arc plate 4, the arc plate 4 is vertically arranged, and the bearing 13 rotates to drive the arc plate 4 to rotate. A distance sensor 5 is fixedly mounted on the frame 1, the distance sensor 5 is located on one side, away from the bearing 13, of the arc plate 4, and the detection end of the distance sensor 5 is horizontally arranged and points to the arc surface direction of the arc plate 4. When the arc plate 4 rotates, the distance from the detecting end of the distance sensor 5 to the arc plate 4 changes. When the arc plate 4 is in the initial state, the distance from the detection end of the sensor 5 to the arc plate 4 is the closest. A protective cover 12 is arranged on the rack 1, the protective cover 12 covers the upper side wall of the rack 1, and the protective cover 12 is detachably connected with the rack 1.

Referring to fig. 1 and 2, a wire releasing device and a wire collecting device 8 are arranged beside the frame 1. Pay-off includes unwrapping wire subassembly 6 and drive assembly 7, and unwrapping wire subassembly 6 includes base 61, axis 62 and drawing drum 63, and axis 62 is vertical to be rotated and is connected on base 61, and drawing drum 63 fixed connection is in the one end that base 61 was kept away from to axis 62. The driving assembly 7 comprises a frequency converter 71, a motor 72 and two belt pulleys 73, wherein the motor 72 is connected with the frequency converter 71, one of the two belt pulleys 73 is coaxially and fixedly connected with an output shaft of the frequency converter 71, and the other belt pulley 73 is arranged on the middle shaft 62 in a penetrating manner and is coaxially and fixedly connected with the middle shaft 62. The distance sensor 5 is in signal connection with a frequency converter 71. The motor 72 is started, the motor 72 drives the frequency converter 71 to rotate, then the frequency converter 71 drives the belt pulley 73 to rotate, the other belt pulley 73 is driven to rotate through belt transmission, the middle shaft 62 is driven to coaxially rotate, and finally the pay-off reel 63 is driven to rotate to realize the pay-off operation of the steel wire 9. Take-up 8 includes shelf 81, driving motor 8272 and rolling dish 83, and driving motor 8272 is fixed to be set up on shelf 81, and rolling dish 83 is vertical to be set up, and rolling dish 83 and driving motor 8272's the coaxial fixed connection of output shaft. And opening the driving motor 8272, and driving the driving motor 8272 to drive the winding disc 83 to coaxially rotate, so as to realize the winding of the steel wire 9.

The implementation principle of the above embodiment is as follows: the steel wire 9 is delivered from the pay-off reel 63, passes through the wire guide wheel 21 and is wound and formed by the winding reel 83. Along with the continuous unwrapping wire of drawing drum 63, the steel wire book diameter on the drawing drum 63 diminishes gradually, and unwrapping wire speed can diminish gradually, and the rotational speed of rolling dish 83 is unchangeable, but the steel wire book diameter on the rolling dish 83 grow gradually, and it is fast gradually to receive line speed, and rolling dish 83 is to the pulling force grow of steel wire 9 this moment to make the tension grow on the steel wire 9. Wire wheel 21 can drive tension arm 2 and rotate round fixed axle 11 under the effect of steel wire 9, and tension arm 2 rotates and makes bearing 13 rotate, and then drives arc 4 and rotate, and distance sensor 5's detection end is to the distance grow of arc 4, and distance sensor 5 gives converter 71 with signal transmission, and converter 71 control motor 72 improves the rotational speed gradually and makes the unwrapping wire speed grow, and tension arm 2 rotates and makes tension spring 3 be in tensile state. Along with the increase of the paying-off speed, the tension on the steel wire 9 is reduced, the tension arm 2 can rotate reversely under the action of the tension spring 3, and the distance from the detection end of the distance sensor 5 to the arc-shaped plate 4 is relatively reduced. When the tension arm 2 returns to the original position, the distance between the arc-shaped plate 4 and the detection end of the distance sensor 5 returns to the initial state, so that the purposes of automatically adjusting the paying-off speed and keeping the paying-off and paying-off speeds consistent are achieved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. Flaw detection line tension device, including frame (1), its characterized in that: be provided with fixed axle (11) on frame (1), the cover is equipped with bearing (13) on fixed axle (11), be connected with tension arm (2) through bearing (13) rotation on fixed axle (11), tension arm (2) and bearing (13) lateral wall fixed connection and tension arm (2) level set up, the fixed wire wheel (21) that is provided with of one end that keeps away from bearing (13) of tension arm (2), be provided with elastic component on frame (1), elastic component is connected with the one end that tension arm (2) are close to wire wheel (21), one side fixedly connected with arc (4) that tension arm (2) were kept away from in bearing (13), distance sensor (5) are installed to the opposite side of arc (4), the sense terminal of distance sensor (5) is perpendicular with the cambered surface of arc (4), frame (1) other pay-off and take-up device that is provided with, distance sensor (5) and pay-off signal connection.

2. The inspection line tension device of claim 1, wherein: pay-off includes unwrapping wire subassembly (6) and drive assembly (7), unwrapping wire subassembly (6) includes base (61), axis (62) and drawing drum (63), drive assembly (7) include converter (71), motor (72) and belt pulley (73), axis (62) vertical rotation is connected on base (61), drawing drum (63) fixed connection is in the one end that axis (62) kept away from base (61), motor (72) are connected with converter (71), belt pulley (73) have two, the coaxial fixed connection of output shaft of one of them belt pulley (73) and converter (71), another belt pulley (73) wear to establish on axis (62) and with axis (62) coaxial fixed connection, distance sensor (5) and converter (71) signal connection.

3. The inspection line tension device of claim 1, wherein: the elastic assembly is set to be a tension spring (3), one end of the tension spring (3) is fixedly connected with the tension arm (2), and the other end of the tension spring is fixedly connected with the side wall of the rack (1).

4. The inspection line tension device of claim 1, wherein: be provided with protection casing (12) on frame (1), protection casing (12) cover is established on the lateral wall that frame (1) was installed distance sensor (5) and arc (4), and protection casing (12) can be dismantled with frame (1) and be connected.

5. The inspection line tension device of claim 1, wherein: the tension arm (2) is of a cuboid structure, and the tension arm (2) is not in contact with the rack (1).