CN2915310Y - Rolling roller pressing device of coiling machine - Google Patents

Abstract

The utility model discloses a coiler pressing roller device used on a coiler in a longitudinal cutting unit for rewinding and slitting strip steel, and the device can prevent the tail of the steel coil from being loosened when unwinding. The coiler pressing roller device is based on a coiler pressing roller arranged above the center line of the reel of the longitudinal cutting unit coiler, and a tail pressing roller device is additionally arranged below the center line of the rear part of the reel of the coiler. Therefore, the newly added tail pressing roller device can be used in conjunction with the pressing roller to well press the tail of the strip steel coil after the coiler is coiled, which can not only prevent loose coiling and eliminate scratches on the tail of the coil, but also effectively avoid damage to key equipment parts such as the coiler and the unwinding trolley due to the use of the unwinding trolley support saddle to forcibly close the tail and press the tail of the steel coil for unwinding. In addition, the strip steel coil is rolled tighter and more beautiful in appearance, and the problem of being unable to realize the automatic positioning of the tail of the steel coil and the automatic unwinding due to production process defects is completely solved.

Description

Coiler pinch roller device

technical field

The utility model relates to a piece of equipment used in the process of producing strip steel, in particular to a coiling roller device used on a coiler in a slitting unit for recoiling and cutting strip steel.

Background technique

At present, in the existing slitting unit for recoiling and slitting hot-rolled coils, since the designed roll roller is above the center line of the reel, it can only press the tail of the strip on the upper part of the reel, resulting in The tail of the steel coil is loose, and it is impossible to unload the coil, and even cause loose coils to produce waste coils. At this time, in order to maintain production, the operator lifts the coil supporting saddle of the unloading trolley to withstand the steel coil, and then rotates the coiler drum to rotate the tail of the strip to the bottom of the drum, and relies on the unloading trolley to support the coil. The saddle supports the tail of the strip to achieve the purpose of not loosening the coil when unloading the coil. However, this method is very easy to produce indentations and scratches on the surface of the steel coil, which seriously affects the product quality, and cannot achieve the functions of automatic positioning and automatic unloading of the tail of the steel coil. In addition, during the rising process of the unloading trolley, the operator only relies on eyes to observe the rising position of the trolley, which often causes the trolley to lift up the reel, which can easily cause deformation of the key parts of the coiler, including the bow plate of the reel. Damage; the trolley in the design is only used to hold and transport the steel coil, but in the process of rotating the reel, because the coil support saddle of the unloading trolley has been against the steel coil, the trolley bears the tangential force, which often causes the trolley to derail, The track of the trolley is broken, the frame and parts of the trolley are damaged, etc.

Utility model content

The technical problem to be solved by the utility model is to provide a coiler pinch roller device which is not easy to loose the tail of the steel coil when the coil is unloaded.

The technical scheme adopted by the utility model to solve the technical problem is: the coiling roller device of the coiler is provided with the coiling roller above the center line of the reel of the coiler of the slitting unit. A tailing roller device is added below the centerline of the rear of the machine reel. Therefore, the newly added pinching roller device can be used to cooperate with the pinching roller to well press the tail of the strip coil after coiling by the coiler, prevent unwinding and eliminate scratches on the coil tail.

The beneficial effects of the utility model are: due to the adoption of the above-mentioned technical scheme of adding the tail-pressing roller device, not only the tail of the strip steel coil after coiling by the coiler can be pressed down to prevent unwinding and eliminate scratches on the tail of the coil, but at the same time It also improves the technology and function of the existing slitting unit, effectively avoiding the use of unloading trolley to support the saddle forcibly ending and pressing the tail of the steel coil for unloading, which will cause damage to key equipment such as coilers and unloading trolleys. damage to components. In addition, after the newly added tailing roller device is put into production, the strip steel coil is tighter and the appearance is more beautiful, which completely solves the inability to realize the function of automatic positioning and automatic coil unloading at the end of the steel coil due to defects in the production process.

Description of drawings

Fig. 1 is a schematic diagram of the utility model;

Fig. 2 is a structural representation of an embodiment of the utility model;

Fig. 3 is a schematic structural view of an embodiment of the utility model.

The marks in the figure are: reel 1, pressure roller 2, tail pressure roller device 3, pressure roller 4, swing frame 5, base 6, piston hydraulic cylinder 7, roll unloading trolley 8.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

As shown in Fig. 1 and Fig. 2, the coiler pinch roll device of the present utility model is on the basis of retaining the pinch roll 2 above the center line of the reel 1 of the existing slitting unit coiler, Below the centerline of the rear part of the coiler mandrel 1, a pinch roller device 3 is arranged. In this way, regardless of whether the tail of the coiled steel coil is above or below the centerline of the rear portion of the reel 1, the coiled steel coil after its coiler can be rolled by the pressure roll 2 and the pressure tail roll device 3 The tail is pressed down, and the steel coil is rolled down under the simultaneous action of the pinch roller 2 and the tail pinch roller device 3 to get tighter, which provides the necessary technical guarantee for realizing the automatic positioning and automatic unloading of the tail of the steel coil.

The tailing roller device 3 is provided with a pressing roller 4, and the tail portion of the strip steel coil is pressed by the pressing roller 4. The pressure roller 4 is connected with the power unit in transmission to provide a certain positive pressure. Pressing roller 4 can be directly connected on the power device, also can be connected on the power device through intermediate components. The power device is connected through the intermediate part, mainly for changing the magnitude and direction of the force or the occasion where the site is limited.

For example: the pressure roller 4 is connected to the power unit through the swing frame 5, the middle hinge of the swing frame 5 is supported on the base 6, one end of the swing frame 5 is connected to the pressure roller 4, and the other end of the swing frame 5 is hinged to the power unit. In this way, through the leverage of the swing frame 5, the power provided by the power unit can be transmitted to the pressure roller 4.

The above-mentioned power device can adopt multiple methods such as hydraulic pressure, pneumatic power, motor drive, etc. For example, the power device can adopt a hydraulically driven piston hydraulic cylinder 7, and the piston hydraulic cylinder 7 is connected to the basic frame through a hinge.

In addition, in order to make the tailing roller device 3 act on the strip coil with a constant positive pressure, the power device can be controlled by a power constant system. The constant power system can be realized in a variety of corresponding ways according to different power sources. For example, when the hydraulic method is used as the power source, the use and cooperation of constant pressure valves and pressure sensors can be used to realize and provide constant power through the controller. These are all prior art, and will not be repeated here.

Embodiment: as shown in Figure 3, coiler pinch roll device of the present utility model is on the basis of retaining the pinch roll 2 above the center line of reel 1 of existing slitting unit coiler, Below the centerline of the rear part of the coiler mandrel 1, a pinch roller device 3 is arranged. The tailing roller device 3 is provided with a pressing roller 4, and the tail portion of the strip steel coil is pressed by the pressing roller 4. The pressure roller 4 is connected to the piston hydraulic cylinder 7 through the swing frame 5. The middle hinge of the swing frame 5 is supported on the base 6. One end of the swing frame 5 is connected to the pressure roller 4, and the other end of the swing frame 5 is hinged to the piston hydraulic cylinder 7. Connected, the piston hydraulic cylinder 7 is connected to the basic frame through a hinge. In this way, through the leverage of the swing frame 5, the piston hydraulic cylinder 7 can transmit power to the pressure roller 4. At the same time, in order to make the tailing roller device 3 act on the strip coil with a constant positive pressure, the piston hydraulic cylinder 7 is controlled by a power constant system.

Claims (5)

1. Coiler pinch roller device, including the pinch roll (2) arranged above the center line of the reel (1) of the slitting unit coiler, characterized in that: the coiler roll (1) Below the centerline of the rear portion of the car is provided with a pinch roller device (3). 2. The pinch roll device of the coiler according to claim 1, characterized in that: the pinch roll device (3) includes a pinch roll (4) and a power unit, and the pinch roll (4) is connected to the power unit by transmission. 3. The pinch roll device of the coiler according to claim 2, characterized in that: the pinch roll device (3) also includes a swing frame (5), and the middle part of the swing frame (5) is supported on the base (6) by a hinge. ), one end of the swing frame (5) is connected with the pressure roller (4), and the other end of the swing frame (5) is hinged with the power unit. 4. The pinch roller device of the coiler according to claim 2, characterized in that: the power device is a piston hydraulic cylinder (7), and the piston hydraulic cylinder (7) is connected to the base frame through a hinge. 5. The coiler pinch roller device according to any one of claims 2-4, characterized in that: the power device is controlled by a power constant system.

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