CN204018422U - A kind of novel uncoiler - Google Patents

Abstract

The utility model is applicable to the technical field of metallurgy, and provides a novel uncoiler, which includes a frame and 5 steel rollers installed on the frame. An endless conveyor belt is tightly sleeved on the 5 steel rollers. The frame is also provided with a driving device for driving one of the steel rollers to rotate. The uncoiler also includes a sliding mechanism, a swing hydraulic cylinder and a telescopic hydraulic cylinder. The frame is provided with a rotating shaft, and the cylinder head of the swing hydraulic cylinder is fixed on On the frame, the cylinder body is located in the next equipment, the cylinder body of the telescopic hydraulic cylinder is fixed on the frame, and the cylinder head drives the sliding mechanism so that a steel roller at the far end can slide back and forth, so The sliding mechanism is also provided with a magnet. The utility model realizes the up and down uncoiling of the uncoiler by arranging two hydraulic steels respectively used to drive the uncoiler to swing up and down and stretch back and forth, and is especially suitable for strips with relatively thin thickness (less than 0.2mm) or relatively soft hardness. strip steel.

Description

A new type of uncoiler

technical field

The utility model belongs to the technical field of metallurgy, in particular to a novel uncoiler.

Background technique

The uncoiler is generally located between the uncoiler and the next equipment (such as the steering pinch roller). In the strip steel production line in the metallurgical industry, according to production needs, its function is to guide the strip head of the steel coil to the strip-threading position and turn the strip head of the steel coil Bring in the next device. However, the current uncoiler generally can only achieve upper uncoiling, but when the strip steel thickness is relatively thin (less than 0.2mm) or the hardness is relatively soft in the upper uncoiling condition, the strip threading process is often not smooth. During the threading process of steel crawling upwards, the belt head is often stuck somewhere in the guide plate of the uncoiler and stagnates, which affects the production rhythm and reduces production efficiency.

Utility model content

In view of the above problems, the purpose of this utility model is to provide a type of uncoiler, which aims to solve the technical problem that the existing switchgear cannot realize lower uncoiling, and cannot be applied to uncoiling of strip steel with relatively thin thickness or relatively soft hardness. .

The utility model adopts the following technical solutions:

The new uncoiler includes a frame and 5 steel rollers installed on the frame. An endless conveyor belt is tightly sleeved on the 5 steel rollers. Rotating driving device, the uncoiler also includes a sliding mechanism, a swing hydraulic cylinder and a telescopic hydraulic cylinder, the frame is provided with a rotating shaft, the cylinder head of the swing hydraulic cylinder is fixed on the frame, and the cylinder body is located on the next equipment, the cylinder body of the telescopic hydraulic cylinder is fixed on the frame, and the cylinder head drives the sliding mechanism so that a steel roller at the far end can slide back and forth, and the sliding mechanism is also provided with a magnet.

The beneficial effects of the utility model are: the uncoiler of the utility model is provided with two hydraulic cylinders, which are respectively used to drive the uncoiler to swing up and down as a whole and the steel roller located at the far end to stretch back and forth, so that the uncoiler can be uncoiled up and down, and the belt can be threaded smoothly. The production efficiency is improved, especially for strip steel with relatively thin thickness (less than 0.2mm) or relatively soft hardness. Considering that the friction angle and friction force of the upper uncoiling are not enough, the utility model can realize the lower uncoiling ; The utility model is simple in structure, light in weight and easy to maintain, and can be widely used in various strip steel processing line units.

Description of drawings

Figure 1 is a front view of the new uncoiler when the telescopic hydraulic cylinder is retracted;

Figure 2 is a top view of the new uncoiler when the telescopic hydraulic cylinder is retracted;

Fig. 3 is the front view of the novel uncoiler when the telescopic hydraulic cylinder is stretched out;

Fig. 4 is a partial right view of the novel uncoiler;

Fig. 5 is a working condition diagram of uncoiling on the new uncoiler;

Fig. 6 is a working condition diagram of the lower uncoiling of the new uncoiler.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

In order to illustrate the technical solution described in the utility model, the following specific examples will be used for illustration.

Fig. 1 and Fig. 3 respectively show the front view structure of two working states of the new uncoiler provided by the embodiment of the utility model, and Fig. 2 and Fig. 4 respectively show the top view structure and the partial right view structure of the new uncoiler, for For ease of description, only the parts related to the embodiment of the present utility model are shown.

Referring to Fig. 1-Fig. 4, the information uncoiler provided in this embodiment includes a frame 1 and 5 steel rollers installed on the frame 1, as marked 11-15 in the figure, the 5 steel rollers are tightly An endless conveyor belt 2 is sleeved, and the frame 1 is also provided with a driving device 3 for driving one of the steel rollers to rotate. The uncoiler also includes a sliding mechanism 4, a swing hydraulic cylinder 5 and a telescopic hydraulic cylinder 6. The frame is provided with a rotating shaft 7, and the cylinder head of the swing hydraulic cylinder 5 is fixed on the frame, and the cylinder body is located at the next equipment (such as steering pinch rollers, not shown in the figure), and the telescopic hydraulic cylinder 6 The cylinder block is fixed on the frame 1, and the cylinder head drives the sliding mechanism, so that a steel roller located at the far end can slide back and forth. Refer to Figure 1 and Figure 3 for the state of sliding before and after, and the sliding mechanism is also provided with magnet8.

Figure 5 and Figure 6 respectively show the two working conditions of the uncoiler uncoiling up and down. When the swing hydraulic cylinder 5 is working, since the cylinder body of the swing hydraulic cylinder 5 is fixed on the next device (i.e., the left device in the figure), when the cylinder head stretches, it can push the frame as a whole to swing up and down around the shaft 7; When the cylinder 6 is working, since the cylinder body is fixed on the frame 1, the cylinder head drives the sliding mechanism, so that a steel roller located at the far end (that is, a steel roller far away from the rotating shaft in the figure) and the middle steel roller move telescopically together, and the sleeve The total length of the belt connected to the 5 steel rollers remains unchanged. By controlling the working state of the swing hydraulic cylinder and the telescopic hydraulic pressure, the uncoiler can be placed in the upper uncoil position or the lower uncoil position. At this time, the steel coil head on the uncoiler (that is, the device on the right in the figure) is attracted by the magnet on the uncoiler. to the conveyor belt, and then the driving device 3 drives one of the steel rollers to rotate, so it can drive the entire conveyor belt to rotate, and then drive the steel coil head to achieve stable belt threading. The driving device 3 preferably includes a hydraulic motor 31 and a sprocket and chain transmission mechanism 32 , and the hydraulic motor 31 drives the steel roller to rotate through the sprocket and chain transmission mechanism 32 .

In this embodiment, two hydraulic cylinders are provided, wherein the swing hydraulic cylinder is used to drive the uncoiler to swing up and down as a whole, and the telescopic hydraulic cylinder is used to drive the steel roller at the far end to expand and contract back and forth. By controlling the working state of the two hydraulic cylinders , it can control the uncoiler to be located at the appropriate upper or lower uncoiling position to ensure smooth threading and improve production efficiency, especially for strips with relatively thin thickness (less than 0.2mm) or relatively soft hardness Considering that the friction angle and frictional force of the strip steel are not enough for the upper uncoiling, the lower uncoiling can be realized through the embodiment of the utility model.

As a specific embodiment, the five steel rolls are respectively the first to the fifth steel rolls, wherein the first steel roll 11 and the second steel roll 12 are located on the top layer, and the third steel roll 13 and the fourth steel roll 14 Located on the bottom floor, the fifth steel roller 15 is located between the two layers of steel rollers. Driven by the telescopic hydraulic cylinder, the second steel roller 12 and the fifth steel roller 15 can slide back and forth synchronously to ensure that the conveyor belt is tightly socketed at all times On these 5 steel rollers, the driving device drives the third steel roller to rotate, and then drives the conveyor belt to drive.

As a specific preferred structure of the sliding mechanism 4, with reference to Fig. 2, the sliding mechanism 4 includes two fixed shafts 41 vertical to the steel rollers installed on the top of the frame, and the two fixed shafts are perpendicular to one end of the second steel roller. Connected with a fixed rod 42, the sliding mechanism 4 also includes a sliding rod 43 that can slide along the fixed shaft and two sliding shafts 44 that can slide on the fixed rod, and one end of the two sliding shafts 44 is vertically fixed to the sliding shaft. The other end of the rod 43 is vertically fixed to both ends of the second steel roller 12 . Referring to Fig. 1 , the cylinder head of the telescopic hydraulic cylinder 6 is vertically connected with a drive rod 62, in conjunction with Fig. 2 , both ends of the drive rod 62 are welded with a drive arm 61 (only a part of the drive arm is shown in the figure), two The driving arm 61 is correspondingly fixed to both ends of the sliding rod 43 , and the two ends of the fifth steel roller 15 are correspondingly fixed to both ends of the sliding rod 43 .

In this sliding mechanism, the fixed shaft 41 and the fixed rod 42 are integrated and fixed on the frame, while the sliding rod 43 and the sliding shaft 44 are fixed together with the second steel roller, and can be mounted on the fixed shaft and the fixed rod. slide. When the telescopic hydraulic cylinder is working, the cylinder head telescopically pushes and pulls the driving arm. One end of the driving arm drives the fifth steel roller to move back and forth, and the other end drives the sliding rod, the sliding shaft and the second steel roller to slide back and forth as a whole through the driving rod and the connecting arm. . As a connection method, the two ends of the second steel roller 12 are provided with connecting bodies 45, the second steel roller can rotate between the two connecting bodies, and the two sliding shafts 44 are screwed into the corresponding threads respectively. Two joints, so easy to disassemble.

In addition, as a preference, both the sliding rod 43 and the fixed rod 42 are equipped with bushings, the fixed shaft passes through the bushing in the sliding rod, and the sliding shaft passes through the bushing in the fixed rod. Under the sliding action of the shaft sleeve, the sliding rod, the sliding shaft and the second steel roller can slide back and forth without hindrance as a whole, reducing sliding wear. In addition, preferably, a bracket 46 is fixed between the two connecting bodies 45 , and the two ends of the magnet 8 are respectively fixed on the bracket 46 and the sliding rod 43 .

Further, in order to facilitate traction, a traction plate 47 is fixed between the two coupling bodies 45 , and the traction plate 47 is located at the front end of the second steel roller 12 . By controlling the working state of the two hydraulic cylinders, the position of the traction plate 47 can be adjusted so that it slowly approaches the coil head and is in the coiling or unwinding position, and then guided by the traction plate through the adsorption force of the magnet. , to absorb the steel coil head onto the conveyor belt.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (8)

1. A novel uncoiler, characterized in that the uncoiler comprises a frame and 5 steel rollers installed on the frame, and an endless conveyor belt is tightly sleeved on the 5 steel rollers, and the machine The frame is also provided with a driving device for driving one of the steel rollers to rotate. The uncoiler also includes a sliding mechanism, a swing hydraulic cylinder and a telescopic hydraulic cylinder. The frame is provided with a rotating shaft, and the cylinder head of the swing hydraulic cylinder is fixed on On the frame, the cylinder body is located in the next equipment, the cylinder body of the telescopic hydraulic cylinder is fixed on the frame, and the cylinder head drives the sliding mechanism so that a steel roller at the far end can slide forward and backward, so The sliding mechanism is also provided with a magnet. 2. novel uncoiler as claimed in claim 1, is characterized in that, described 5 steel rolls are respectively the first to the fifth steel roll, wherein the first steel roll, the second steel roll are positioned at the top layer, the 3rd steel roll, The fourth steel roller is located on the bottom layer, and the fifth steel roller is located between the two layers of steel rollers. Driven by the telescopic hydraulic cylinder, the second steel roller and the fifth steel roller can slide back and forth. 3. The novel uncoiler according to claim 2, wherein the sliding mechanism includes two fixed shafts vertical to the steel rollers installed on the upper part of the frame, and the two fixed shafts are vertically connected near one end of the second steel roller There is a fixed rod, and the sliding mechanism also includes a sliding rod that can slide along the fixed shaft and two sliding shafts that can slide on the fixed rod. One end of the two sliding shafts is vertically fixed to the sliding rod, and the other end is vertically fixed At both ends of the second steel roller; the cylinder head of the telescopic hydraulic cylinder is vertically connected with a driving rod, and the two ends of the driving rod are welded with driving arms, and the two driving arms are correspondingly fixed to the two ends of the sliding rod, The two ends of the fifth steel roller are correspondingly fixed to the two ends of the sliding rod. 4. The new uncoiler as claimed in claim 3, characterized in that, both ends of the second steel roller are provided with connecting bodies, the second steel roller can rotate between the two connecting bodies, and the two sliding shafts Corresponding threads are respectively screwed into the two connecting bodies. 5. The novel uncoiler as claimed in claim 4, wherein a shaft sleeve is installed in the sliding rod and the fixed rod, the fixed shaft passes through the sleeve in the sliding rod, and the sliding shaft passes through the fixed shaft. bushing in the rod. 6 . The novel uncoiler according to claim 5 , wherein a bracket is fixed between the two connecting bodies, and the two ends of the magnet are correspondingly fixed on the bracket and the sliding rod. 7 . 7. The new uncoiler according to claim 6, characterized in that, a traction plate is fixed between the two connecting bodies, and the traction plate is located at the front end of the second steel roller. 8. The new uncoiler according to any one of claims 1-7, wherein the driving device includes a hydraulic motor and a sprocket and chain transmission mechanism, and the hydraulic motor drives the steel roller through the sprocket and chain transmission mechanism turn.