Hot-rolled wire rod bundling wire connecting device

Abstract

The utility model discloses a hot-rolled wire rod bundling wire connecting device which comprises an installation support, a wire feeding mechanism, a shearing mechanism, a rear winding mechanism and a front winding mechanism, and the wire feeding mechanism, the shearing mechanism, the rear winding mechanism and the front winding mechanism are sequentially arranged from right to left. The upper part of the upper mounting plate is connected with the industrial robot; the upper end of the left mounting plate is connected with the left end of the upper mounting plate, and the lower end is provided with the front winding mechanism; the upper end of the right mounting plate is connected with the right end of the upper mounting plate, the rear winding mechanism is mounted at the lower end of the right mounting plate, the left end of the right lower mounting plate is connected with the lower end of the right mounting plate, and the shearing mechanism and the wire feeding mechanism are mounted on the right lower mounting plate. The two ends of the connecting wire are wound on the two adjacent bundling wires respectively through the winding mechanism, connection of the bundling wires is achieved, the bundling wire winding device is used in cooperation with an industrial robot, the working efficiency can be improved, and the factory production accident rate and the human resource cost are reduced.

Description

Technical Field

[0001] The utility model relates to a hot-rolled wire rod baling line connecting device, which can connect adjacent baling lines with connecting wires and belongs to the technical field of packaging. Background Art

[0002] In the production process of hot-rolled wire rods, after the hot-rolled wire rods are bundled with baling wires (a bundle of wire rods has 4 baling wires in total), it is necessary to connect the baling wires, that is, to connect the adjacent baling wires with connecting wires to prevent the misalignment of the baling wires caused by shaking and collision during transportation. At present, steel companies generally use manual methods to connect the baling wires. The working process is that the operator holds one end of the connecting wire and passes it through the gap between the baling wire and the hot-rolled wire rod, then rotates the connecting wire around the baling wire for one circle, and then wraps the connecting wire around the second, third, and fourth baling wires in the same way. This manual connection method is not only cumbersome in operation steps, low in connection efficiency, and high in cost, but also prone to loosening of the connecting wire, which poses a great safety hazard, so it is necessary to improve it. Utility Model Content

[0003] The utility model aims to provide a hot-rolled wire rod baling wire connecting device to improve the connection efficiency of the baling wire, prevent the connection wire from loosening, and eliminate safety hazards.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A hot-rolled wire rod baling line connection device comprises a mounting bracket and a wire feeding mechanism, a shearing mechanism, a rear winding mechanism and a front winding mechanism arranged in sequence from right to left along a straight line, the mounting bracket comprises an upper mounting plate, a left mounting plate, a right mounting plate and a right lower mounting plate, the upper mounting plate is placed horizontally and its upper part is connected to the end of an industrial robot through a flange; the upper end of the left mounting plate is connected to the left end of the upper mounting plate, and the front winding mechanism is installed at the lower end; the upper end of the right mounting plate is connected to the right end of the upper mounting plate, and the rear winding mechanism is installed at the lower end, the left end of the right lower mounting plate is connected to the lower end of the right mounting plate, and the shearing mechanism and the wire feeding mechanism are installed on the right lower mounting plate.

[0006] The above-mentioned hot-rolled wire rod bundling line connecting device, the rear winding mechanism includes a rear winding motor, bevel gears, a bevel gear turntable and a rotary connection mechanism. The rear winding motor is fixed on the upper part of the upper mounting plate. The motor shaft of the rear winding motor passes through the upper mounting plate and then installs a bevel gear. The axis of the bevel gear turntable is perpendicular to the left mounting plate and the right mounting plate. The bevel gear turntable is located on the left side of the right mounting plate and is rotationally connected to the right mounting plate through a rotary connection mechanism. The bevel gear and the bevel gear turntable form a bevel gear pair. The front winding mechanism includes a front winding motor, spur gears, a spur gear turntable and another set of rotary connection mechanisms. The front winding motor is fixed on the left side of the left mounting plate. The end of the motor shaft of the front winding motor passes through the left mounting plate and then installs a spur gear. The axis of the spur gear turntable is perpendicular to the left mounting plate and the right mounting plate. The spur gear turntable is located on the right side of the left mounting plate and is rotationally connected to the left mounting plate through a rotary connection mechanism. The spur gear and the spur gear turntable form a gear pair. A left U-shaped notch corresponding to the hot-rolled wire rod bundling line is opened at the lower end of the left mounting plate, and a right U-shaped notch corresponding to the hot-rolled wire rod bundling line is opened at the lower end of the right mounting plate. U-shaped notches corresponding to the hot-rolled wire rod bundling line are provided on both the bevel gear turntable and the spur gear turntable. Connection wire through holes corresponding to the connection wires are provided on both the left mounting plate and the right mounting plate. U-shaped notches corresponding to the hot-rolled wire rod bundling line and connection wire jacks corresponding to the connection wires are provided on both the bevel gear turntable and the spur gear turntable.

[0007] The above-mentioned hot-rolled wire rod bundling line connecting device, the rotary connection mechanism includes a rotary disk and a plurality of pulleys and fixed shafts evenly distributed around the rotary disk. The rotary disk is coaxial with the bevel gear turntable and the spur gear turntable. A plurality of fixed shafts are fixedly installed on the left side of the right mounting plate or the right side of the left mounting plate. One side of the rotary disk is fixedly connected to the bevel gear turntable or the spur gear turntable through a plurality of connecting rods distributed around its axis. The outer edge of the rotary disk is slidably clamped into the annular grooves on the rims of the plurality of pulleys. The plurality of pulleys are respectively installed on the plurality of fixed shafts. U-shaped notches corresponding to the hot-rolled wire rod bundling line and connection wire jacks corresponding to the connection wires are also provided on the rotary disk.

[0008] The centers of the rotary disk, the spur gear turntable and the bevel gear turntable in the above-mentioned hot-rolled wire rod bundling line connecting device are located in the U-shaped notches.

[0009] The above-mentioned hot-rolled wire rod bundling line connecting device further includes a guide corresponding to the connection wire. The guide is a flaring trumpet with a large mouth facing right. The guide is located on the right side of the front winding mechanism and is fixedly connected to the lower part of the upper mounting plate through a support.

[0010] The above-mentioned tying wire connecting device for hot-rolled wire rods, wherein the wire feeding mechanism comprises a wire feeding motor, a driving bevel gear, a driven bevel gear, a driving friction wheel and a driven friction wheel. The wire feeding motor is fixed on the lower right mounting plate. The driving bevel gear is mounted on the motor shaft of the wire feeding motor and forms a bevel gear pair with the driven bevel gear. The driven bevel gear is coaxially connected with the driving friction wheel. The driving friction wheel and the driven friction wheel are rotatably connected to the lower right mounting plate and their axes are parallel. The driving friction wheel and the driven friction wheel form a rolling friction pair, and the connecting wire is clamped between the driving friction wheel and the driven friction wheel.

[0011] For the above-mentioned tying wire connecting device for hot-rolled wire rods, the shearing mechanism is a pneumatic scissors.

[0012] The utility model uses the front winding mechanism and the rear winding mechanism to wind the two ends of the connecting wire around two adjacent tying wires respectively, so as to realize the fast and reliable connection of the tying wires. When the utility model is used in cooperation with an industrial robot, the working efficiency can be greatly improved, and the accident rate and human resource cost in the factory can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The following further describes the present utility model in detail with reference to the drawings and specific embodiments.

[0014] Figure 1 is the overall structural schematic diagram of the present utility model;

[0015] Figure 2 is the structural schematic diagram of the mounting bracket;

[0016] Figure 3 is the structural schematic diagram of the wire feeding mechanism;

[0017] Figure 4 is the structural schematic diagram of the rear winding mechanism;

[0018] Figure 5 is the structural schematic diagram of the rotary connection mechanism;

[0019] Figure 6 is the structural schematic diagram of the front winding mechanism 7;

[0020] Figure 7 is the application scenario schematic diagram of the present utility model;

[0021] Figure 8 is the working schematic diagram of the present utility model for completing the winding connection of the first tying wire;

[0022] Figure 9 (a) is the schematic diagram of the present utility model for completing the tying wire connection work; Figure 9 (b) is Figure 9 the partial enlarged view of A in (a); Figure 9 (c) is Figure 9Partial enlarged view at position B in (a).

[0023] The reference numerals in the figure are as follows: 1. Flange, 2. Mounting bracket, 3. Wire feeding mechanism, 4. Shearing mechanism, 5. Rear winding mechanism, 6. Guide, 7. Front winding mechanism, 8. Connecting wire, 9. Industrial robot, 10. Hot-rolled wire rod, 11. First bundling wire, 12. Second bundling wire;

[0024] 2-1. Upper mounting plate, 2-2. Left mounting plate, 2-3. Right mounting plate, 2-4. Lower right mounting plate, 2-2-1. Left U-shaped notch, 2-3-1. Right U-shaped notch, 2-5. Connecting wire through hole;

[0025] 3-1. Wire feeding motor, 3-2. Driving bevel gear, 3-3. Driven bevel gear, 3-4. Driving friction wheel, 3-5. Driven friction wheel;

[0026] 5-1. Rear winding motor, 5-2. Bevel gear, 5-3. Bevel gear turntable, 5-3-1. U-shaped notch, 5-3-2. Connecting wire jack, 5-4. Rotary connecting mechanism, 5-4-1. Pulley, 5-4-2. Fixed shaft, 5-4-3. Rotary disc;

[0027] 7-1. Front winding motor, 7-2. Straight gear, 7-3. Straight gear turntable. Detailed implementation mode

[0028] The utility model provides a connecting device for hot-rolled wire rod bundling wires aiming at the drawbacks existing in the prior art. When in use, it is installed at the end of an industrial robot, and the industrial robot is placed on one side of the hot-rolled wire rod at the bundling wire connecting station, replacing manual labor to automatically complete the bundling wire connecting operation.

[0029] Refer to Figures 1 - 9 , the utility model includes a flange 1, a mounting bracket 2, a wire feeding mechanism 3, a shearing mechanism 4, a rear winding mechanism 5, a guide 6 and a front winding mechanism 7.

[0030] All parts on the connecting device for hot-rolled wire rod bundling wires are fixed on the mounting bracket 2. The mounting bracket 2 includes an upper mounting plate 2-1, a left mounting plate 2-2, a right mounting plate 2-3 and a lower right mounting plate 2-4. Among them, the upper mounting plate 2-1, the left mounting plate 2-2 and the right mounting plate 2-3 are all flat plates. The upper mounting plate 2-1 is horizontally arranged at the upper part of the mounting bracket 2. The upper end of the left mounting plate 2-2 is connected to the left end of the upper mounting plate 2-1. The upper end of the right mounting plate 2-3 is connected to the right end of the upper mounting plate 2-1. The lower right mounting plate 2-4 is integrally L-shaped, and the left end of the lower right mounting plate 2-4 is connected to the lower end of the right mounting plate 2-3. The lower end of the left mounting plate 2-2 is provided with a left U-shaped notch 2-2-1, and the lower end of the right mounting plate 2-3 is provided with a right U-shaped notch 2-3-1.

[0031] One end of the flange 1 is installed at the end of the industrial robot, and the other end is fixed to the upper left side of the upper mounting plate 2-1. The wire feeding mechanism 3 is arranged on the upper part of the horizontal plate of the lower right mounting plate 2-4. The shearing mechanism 4 is a pneumatic scissors, and the shearing mechanism 4 is arranged on the right side of the right mounting plate 2-3. The rear winding mechanism 5 is arranged on the left side of the right mounting plate 2-3. The guide 6 is arranged at the lower part of the upper mounting plate 2-1. The front winding mechanism 7 is arranged on the right side of the left mounting plate 2-2.

[0032] The wire feeding mechanism 3 includes a wire feeding motor 3-1, a driving bevel gear 3-2, a driven bevel gear 3-3, a driving friction wheel 3-4 and a driven friction wheel 3-5.

[0033] The wire feeding motor 3-1 is arranged behind the vertical plate of the lower right mounting plate 2-4. The motor shaft of the wire feeding motor 3-1 passes through the vertical plate and then installs the driving bevel gear 3-2. The driven bevel gear 3-3 is arranged on the upper part of the horizontal plate of the lower right mounting plate 2-4, and the driving friction wheel 3-4 is arranged below the driven bevel gear 3-3. The driving bevel gear 3-2 and the driven bevel gear 3-3 form a bevel gear pair. The driven bevel gear 3-3 and the driving friction wheel 3-4 are coaxially connected. The driven friction wheel 3-5 is arranged in front of the driving friction wheel 3-4. The driving friction wheel 3-4 and the driven friction wheel 3-5 form a rolling friction pair. The connecting wire 8 is clamped between the driving friction wheel 3-4 and the driven friction wheel 3-5. When the driving friction wheel 3-4 and the driven friction wheel 3-5 rotate, the connecting wire 8 can be driven to move to the left. Connecting wire through holes 2-5 corresponding to the connecting wire 8 are provided on both the left mounting plate 2-2 and the right mounting plate 2-3. The connecting wire through holes 2-5 are located above the left U-shaped notch 2-2-1 and the right U-shaped notch 2-3-1.

[0034] The rear winding mechanism 5 includes a rear winding motor 5-1, a bevel gear 5-2, a bevel gear turntable 5-3 and a rotary connection mechanism 5-4.

[0035] The rear winding motor 5-1 is fixed to the upper part of the upper mounting plate 2-1. The motor shaft of the rear winding motor 5-1 passes through the upper mounting plate 2-1 and then installs the bevel gear 5-2. The axis of the bevel gear turntable 5-3 is perpendicular to the left mounting plate 2-2 and the right mounting plate 2-3. The bevel gear turntable 5-3 is located on the left side of the right mounting plate 2-3 and is rotatably connected to the right mounting plate 2-3 through the rotary connection mechanism 5-4. The bevel gear 5-2 and the bevel gear turntable 5-3 form a bevel gear pair.

[0036] The guide 6 is a flared mouth with the large mouth facing right, opposite to the connecting wire 8. The guide 6 is fixedly connected to the lower part of the upper mounting plate 2-1 through a support.

[0037] The front winding mechanism 7 includes a front winding motor 7-1, a spur gear 7-2, a spur gear turntable 7-3 and another set of rotary connection mechanism 5-4.

[0038] The front winding motor 7-1 is fixed to the left side of the left mounting plate 2-2. The end of the motor shaft of the front winding motor 7-1 passes through the left mounting plate 2-2 and then a spur gear 7-2 is installed. The axis of the spur gear turntable 7-3 is perpendicular to the left mounting plate 2-2 and the right mounting plate 2-3. The spur gear turntable 7-3 is located on the right side of the left mounting plate 2-2 and is rotationally connected to the left mounting plate 2-2 through a rotary connection mechanism 5-4. The spur gear 7-2 and the spur gear turntable 7-3 form a gear pair.

[0039] The rotary connection mechanism 5-4 includes a rotary disk 5-4-3 and a plurality of (6 in the figure) pulleys 5-4-1 and fixed shafts 5-4-2 evenly distributed around the rotary disk 5-4-3. The rotary disk 5-4-3 is coaxial with the bevel gear turntable 5-3 and the spur gear turntable 7-3. A plurality of fixed shafts 5-4-2 are fixedly installed on the left side of the right mounting plate 2-3 or the right side of the left mounting plate 2-2. One side of the rotary disk 5-4-3 is fixedly connected to the bevel gear turntable 5-3 or the spur gear turntable 7-3 through a plurality of connecting rods distributed around its axis. The outer edge of the rotary disk 5-4-3 is slidably engaged in the annular grooves on the rims of the plurality of pulleys 5-4-1. The plurality of pulleys 5-4-1 are respectively installed on the plurality of fixed shafts 5-4-2. On the rotary disk 5-4-3, the bevel gear turntable 5-3 and the spur gear turntable 7-3, there are all U-shaped notches 5-3-1 corresponding to the hot-rolled coil bar tying wire and connecting wire jacks 5-3-2 corresponding to the connecting wire 8. The centers of the rotary disk 5-4-3, the spur gear turntable 7-3 and the bevel gear turntable 5-3 are located in the U-shaped notches 5-3-1.

[0040] The following combines the attached Figures 1 - 9 to illustrate the working process of the present utility model:

[0041] In the wire production line, after being bundled by a bundling machine, a hot-rolled coil bar is formed. At the connection station of the hot-rolled coil bar tying wire, an industrial robot and this device are used to realize the connection operation of the hot-rolled coil bar tying wire. The following takes the connection of two tying wires as an example to illustrate the specific operation steps of the present utility model.

[0042] I. Application system construction

[0043] Install the hot-rolled coil bar tying wire connection device at the end of the industrial robot 9 and place it on one side of the hot-rolled coil bar tying wire connection station.

[0044] II. Working process

[0045] (1)The entire robot system is powered on, and the wire feeding motor 3-1 drives the driving bevel gear 3-2, the driven bevel gear 3-3, the driving friction wheel 3-4, and the driven friction wheel 3-5 to rotate. Driven by the driving friction wheel 3-4 and the driven friction wheel 3-5, the connecting wire 8 sequentially passes through the connecting wire through-hole 2-5 on the right mounting plate 2-3, the rotating disc 5-4-3, the connecting wire socket 5-3-2 on the bevel gear turntable 5-3, the central hole of the guide 6, the straight gear turntable 7-3, and the left connecting wire socket 7-3-2 on the left rotating disc 7-3-1 to complete the wire feeding operation and get ready;

[0046] (2)When the hot-rolled wire rod 10 reaches the connection station of the hot-rolled wire rod bundling line, the vision system obtains the pose information of the bundling wire on the hot-rolled wire rod 10, and the industrial robot 9 drives the connecting device of the present application to the connection position of the first bundling wire 11, so that the first bundling wire 11 enters the left U-shaped notch 7-3-3 on the straight gear turntable 7-3 and the left rotating disc 7-3-1;

[0047] (3)The front winding motor 7-1 drives the straight gear 7-2, the straight gear turntable 7-3, and the left rotating disc 7-3-1 to rotate. The straight gear turntable 7-3 and the left rotating disc 7-3-1 drive the connecting wire 8 passing through the left connecting wire socket 7-3-2 to wind around the first bundling wire 11;

[0048] (4)The industrial robot 9 drives the connecting device of the present application to the connection position of the second bundling wire 12, so that the second bundling wire 12 enters the U-shaped notch 5-3-1 on the bevel gear turntable 5-3 and the rotating disc 5-4-3;

[0049] (5)The shearing mechanism 4 acts to cut the connecting wire 8, and then the winding motor 5-1 drives the bevel gear 5-2, the bevel gear turntable 5-3, and the rotating disc 5-4-3 to rotate. The bevel gear turntable 5-3 and the rotating disc 5-4-3 drive the connecting wire 8 passing through the connecting wire socket 5-3-2 to wind around the second bundling wire 12.

[0050] The utility model winds the two ends of the connecting wire around two adjacent bundling wires respectively through the rotation of the bevel gear turntable and the straight gear turntable, realizing the rapid and reliable connection of the bundling wires. The utility model has a simple structure and low cost. When used in cooperation with an industrial robot, it can liberate workers from heavy work, reduce the factory production accident rate and human resource cost, and greatly improve work efficiency.

Claims

1. A connecting device for a hot-rolled wire rod bundling line, characterized in that It includes an installation bracket (2), a wire feeding mechanism (3), a shearing mechanism (4), a rear winding mechanism (5) and a front winding mechanism (7) arranged in a straight line from right to left. The installation bracket (2) includes an upper mounting plate (2-1), a left mounting plate (2-2), a right mounting plate (2-3) and a lower right mounting plate (2-4). The upper mounting plate (2-1) is horizontally placed, and its upper part is connected to the end of the industrial robot through a flange (1). The upper end of the left mounting plate (2-2) is connected to the left end of the upper mounting plate (2-1), and the front winding mechanism (7) is installed at the lower end. The upper end of the right mounting plate (2-3) is connected to the right end of the upper mounting plate (2-1), and the rear winding mechanism (5) is installed at the lower end. The left end of the lower right mounting plate (2-4) is connected to the lower end of the right mounting plate (2-3). The shearing mechanism (4) and the wire feeding mechanism (3) are installed on the lower right mounting plate (2-4).

2. The tying wire connecting device for hot-rolled wire rods according to claim 1, characterized in that, The said rear winding mechanism (5) comprises a rear winding motor (5-1), bevel gears (5-2), a bevel gear turntable (5-3) and a rotary connection mechanism (5-4). The rear winding motor (5-1) is fixed on the upper part of the upper mounting plate (2-1). The motor shaft of the rear winding motor (5-1) passes through the upper mounting plate (2-1) and then mounts the bevel gear (5-2). The axis of the bevel gear turntable (5-3) is perpendicular to the left mounting plate (2-2) and the right mounting plate (2-3). The bevel gear turntable (5-3) is located on the left side of the right mounting plate (2-3) and is rotationally connected to the right mounting plate (2-3) through the rotary connection mechanism (5-4). The bevel gear (5-2) and the bevel gear turntable (5-3) form a bevel gear pair. The front winding mechanism (7) comprises a front winding motor (7-1), spur gears (7-2), a spur gear turntable (7-3) and another set of rotary connection mechanism (5-4). The front winding motor (7-1) is fixed on the left side of the left mounting plate (2-2). The end of the motor shaft of the front winding motor (7-1) passes through the left mounting plate (2-2) and then mounts the spur gear (7-2). The axis of the spur gear turntable (7-3) is perpendicular to the left mounting plate (2-2) and the right mounting plate (2-3). The spur gear turntable (7-3) is located on the right side of the left mounting plate (2-2) and is rotationally connected to the left mounting plate (2-2) through the rotary connection mechanism (5-4). The spur gear (7-2) and the spur gear turntable (7-3) form a gear pair. A left U-shaped notch (2-2-1) corresponding to the hot-rolled wire rod tying line is provided at the lower end of the left mounting plate (2-2). A right U-shaped notch (2-3-1) corresponding to the hot-rolled wire rod tying line is provided at the lower end of the right mounting plate (2-3). U-shaped notches (5-3-1) corresponding to the hot-rolled wire rod tying line are provided on both the bevel gear turntable (5-3) and the spur gear turntable (7-3). Connection wire through holes (2-5) corresponding to the connection wires (8) are provided on both the left mounting plate (2-2) and the right mounting plate (2-3). U-shaped notches (5-3-1) corresponding to the hot-rolled wire rod tying line and connection wire jacks (5-3-2) corresponding to the connection wires (8) are provided on both the bevel gear turntable (5-3) and the spur gear turntable (7-3).

3. The connecting device for a hot-rolled wire rod bundling line according to claim 2, wherein The rotary connection mechanism (5-4) includes a rotary disc (5-4-3), a plurality of pulleys (5-4-1) and fixed shafts (5-4-2) evenly distributed around the rotary disc (5-4-3). The rotary disc (5-4-3) is coaxial with the bevel gear turntable (5-3) and the spur gear turntable (7-3). A plurality of fixed shafts (5-4-2) are fixedly installed on the left side of the right mounting plate (2-3) or the right side of the left mounting plate (2-2). One side of the rotary disc (5-4-3) is fixedly connected to the bevel gear turntable (5-3) or the spur gear turntable (7-3) through a plurality of connecting rods distributed around its axis. The outer edge of the rotary disc (5-4-3) is slidably engaged in the annular grooves on the rims of the plurality of pulleys (5-4-1). The plurality of pulleys (5-4-1) are respectively installed on the plurality of fixed shafts (5-4-2). A U-shaped notch (5-3-1) corresponding to the hot-rolled wire rod bundling wire and a connecting wire jack (5-3-2) corresponding to the connecting wire (8) are also provided on the rotary disc (5-4-3).

4. The connecting device for the hot-rolled wire rod bundling line according to claim 3, characterized in that, The centers of the rotary disc (5-4-3), the spur gear turntable (7-3) and the bevel gear turntable (5-3) are located in the U-shaped notch (5-3-1).

5. The tying wire connecting device for hot-rolled wire rods according to claim 4, characterized in that, It further includes a guide (6) corresponding to the connecting wire (8). The guide (6) is a flared horn with a large opening facing right. The guide (6) is located on the right side of the front winding mechanism (7) and is fixedly connected to the lower part of the upper mounting plate (2-1) through a support.

6. The connecting device for the hot-rolled wire rod bundling line according to claim 5, characterized in that The wire feeding mechanism (3) includes a wire feeding motor (3-1), a driving bevel gear (3-2), a driven bevel gear (3-3), a driving friction wheel (3-4) and a driven friction wheel (3-5). The wire feeding motor (3-1) is fixed on the lower right mounting plate (2-4). The driving bevel gear (3-2) is installed on the motor shaft of the wire feeding motor (3-1) and forms a bevel gear pair with the driven bevel gear (3-3). The driven bevel gear (3-3) is coaxially connected to the driving friction wheel (3-4). The driving friction wheel (3-4) and the driven friction wheel (3-5) are rotatably connected to the lower right mounting plate (2-4) and their axes are parallel. The driving friction wheel (3-4) and the driven friction wheel (3-5) form a rolling friction pair. The connecting wire (8) is clamped between the driving friction wheel (3-4) and the driven friction wheel (3-5).

7. The connecting device for a hot-rolled wire rod bundling line according to claim 6, characterized in that, The shearing mechanism (4) is a pneumatic scissors.

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