Quick release type pinch roll guide pipe fixing device

Abstract

The utility model provides a quick release type pinch roll guide pipe fixing device which comprises two pinch roll guide pipes, a base, a supporting plate and a pressing plate, the base is rectangular, a pin shaft is arranged at one short edge end of the base, the other short edge end of the base is vertically connected with the supporting plate, the upper end of the supporting plate is rotatably connected with the pressing plate, and two grooves are formed in the upper end face of the base in the short edge direction. A clamping mechanism is arranged on the pressing plate and comprises two adjusting screw rods and a locking screw rod, the two adjusting screw rods penetrate through the pressing plate to abut against the upper end face of the pinch roll guide pipe, one end of the locking screw rod is provided with threads, and the other end of the locking screw rod is provided with a through hole. The pin shaft is sleeved with the through hole end of the locking screw, and the threaded end of the locking screw is fixed to the pressing plate through the fastening nut and the disc spring. When the guide pipe needs to be detached, the guide pipe can be conveniently and rapidly detached only by loosening the fastening nut and the disc spring of the pressing plate.

Description

Technical Field

[0001] The utility model belongs to the technical field of iron and steel metallurgy, and particularly relates to a quick-release type pinch roller guide tube fixing device. Background Art

[0002] The bar rolling mill needs to frequently change product specifications according to market demand. When the rolling specifications are changed, the corresponding pinch roller guide tube needs to be replaced. The traditional pinch roller guide tube fixing clamping device is to fix the guide tube by a U-shaped base and the top screw on the base. Especially when the inner and outer double channel guide tubes need to be fixed, because the same base is used for fixing, in order to ensure that the guide tube is fixed, the top screw must be twisted to the tightest. Tightening the top screw vigorously for a long time can easily cause the base to deform, the inner and outer double channels to be pressed asynchronously, and the guide tube to loosen. Once the loose guide tube touches the high-speed rotating carbide dock roller ring, it will cause the risk of roller ring explosion, which has both the risk of steel piling and the risk of equipment damage. At the same time, the temperature is high during normal production. When the replacement is carried out immediately after the shutdown, due to the influence of thermal expansion and contraction, the top screw expands and gets stuck, and the rotation adjustment is very difficult. It is very difficult and time-consuming to replace the guide tube, which greatly prolongs the maintenance time and increases the workload of workers. Chinese utility model CN ​​206009429U discloses a pinch roller guide outlet device, including a guide seat, a catheter seat is fixedly arranged at the top of the guide seat, the catheter seat is a cylindrical structure, and the catheter seat includes a cylindrical inner cavity passing through the catheter seat along the length direction of the catheter seat; a catheter is inserted into the cylindrical inner cavity, and a guide nose is arranged on the end of the catheter close to the direction of entry of the rolled piece. In the above device, the catheter is fixed in the cylindrical inner cavity of the catheter seat by a locking screw. If the catheter needs to be disassembled and replaced, it is very inconvenient and difficult. Summary of the invention

[0003] The technical problem solved by the utility model is that it is inconvenient to disassemble and replace the conduit of the pinch roller conduit fixing device in the prior art.

[0004] The utility model provides a quick-release clamping roller guide fixing device, including two clamping roller guides, the clamping roller guides are of a square box structure, the lower end surface of the clamping roller guides is provided with a positioning groove along the axial direction, and also includes a base, a support plate, and a pressure plate. The base is rectangular, and a pin is provided at one short side end of the base, and the other short side end of the base is vertically connected to the support plate, and the upper end of the support plate is rotatably connected to the pressure plate. Two grooves are provided on the upper end surface of the base along the short side direction, and positioning pins are provided in the grooves. The clamping roller guide is arranged on the base through the positioning groove and the positioning pin. The pressure plate is provided with a clamping mechanism, and the clamping mechanism includes two adjusting screws and a locking screw. The two adjusting screws respectively pass through the pressure plate and abut against the upper end surface of the clamping roller guide, one end of the locking screw is provided with a thread, and the other end is provided with a through hole, the through hole end of the locking screw is sleeved on the pin, and the threaded end of the locking screw is fixed to the pressure plate by a fastening nut and a disc spring.

[0005] Furthermore, a rotating shaft is provided at one end of the pressure plate for connecting with the support plate, and a circular groove is provided at the other end. The circular groove has an opening to facilitate the entry and exit of the locking screw. The locking screw is located in the circular groove and is locked by a fastening nut and a disc spring, thereby fixing the clamping roller guide tube between the base and the pressure plate.

[0006] Furthermore, when the fastening nut is in a loosened state, the locking screw rotates around the pin shaft and leaves the annular notch to achieve quick release.

[0007] Furthermore, a short side end of the base is provided with a C-shaped groove for installing a pin shaft, and the pin shaft is quickly disassembled when it is pulled out from the C-shaped groove.

[0008] Furthermore, a rib is provided at one long side end of the base to prevent the pinch roller guide tube from moving along the rolling direction.

[0009] Furthermore, the support plate is provided with a mounting hole for fixing it to the rolling mill.

[0010] The utility model has the following beneficial effects: the utility model quick-release type clamping roller conduit fixing device uses a locking screw and a fastening nut to press the pressure plate. After the adjusting screw for fixing the clamping roller conduit is adjusted to a certain size once, it does not need to be adjusted frequently, avoiding deformation of the base caused by tightening the adjusting screw vigorously, and the unsynchronized tightening of the inner and outer double channels, which leads to loose conduits and steel piles, greatly reducing the probability of time delays and improving production efficiency; when the conduit needs to be removed, only the fastening nut and disc spring of the pressure plate need to be loosened, and the conduit can be removed quickly and conveniently. (2) In the utility model, the base, support plate, and pressure plate are separate components. When the base plate or pressure plate is deformed, the deformed component can be directly removed and replaced quickly, avoiding disassembly of the entire device together, saving maintenance time, reducing spare parts costs, and providing effective protection for stable production. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 , a schematic diagram of the quick-release pinch roller guide tube fixing device of the utility model. DETAILED DESCRIPTION

[0012] In order to clearly illustrate the technical features of this solution, the solution is described below through specific implementation methods and in combination with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work should fall within the scope of protection of the utility model.

[0013] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0014] like Figure 1 As shown, a quick-release pinch roller guide tube fixing device includes two pinch roller guide tubes 6, a base 5, a support plate 4, and a pressure plate 2.

[0015] The pinch roller guide tube 6 is a square box-type structure. The lower end surface of the pinch roller guide tube 6 is provided with a positioning groove along the axial direction. The upper end surface of the base 5 is provided with two grooves along the short side direction. The positioning pins are arranged in the grooves. The pinch roller guide tube 6 is arranged on the base 5 through the positioning grooves and the positioning pins. The base 5 is rectangular. A rib is provided at one long side end of the base 5 to prevent the pinch roller guide tube 6 from shifting along the rolling direction during steel passing. A C-shaped groove is provided at one short side end of the base 5 for installing the pin 8. The other short side end is vertically connected to the support plate 4. The upper end of the support plate 4 is rotatably connected to the pressure plate 2. The support plate 4 is provided with a mounting hole for fixing it to the rolling mill.

[0016] A rotating shaft is provided at one end of the pressure plate 2 for connecting with the support plate 4, and a circular ring groove is provided at the other end of the pressure plate, and the circular ring groove is provided with an opening. A clamping mechanism is provided on the pressure plate 2, and the clamping mechanism includes two adjusting screws 1 and a locking screw 7. The two adjusting screws 1 pass through the pressure plate 2 respectively and abut against the upper end surface of the clamping roller guide tube 6. One end of the locking screw 7 is provided with a thread, and the other end is provided with a through hole. The through hole end of the locking screw 7 is sleeved on the pin shaft 8, and the threaded end of the locking screw 7 is in the circular ring groove, which is locked by tightening the nut and the disc spring, so as to fix the clamping roller guide tube 6 between the base 5 and the pressure plate 2.

[0017] First, the pinch roller guide tube 6 is pressed to death by two adjusting screws 1, and then the spare cap is locked after being pressed to death, and then the locking screw 7 is fixed, and the fastening nut and disc spring are added to lock it, and then it is tightened with a wrench. When the pinch roller guide tube 6 needs to be removed, there is no need to loosen the adjusting screw 1. Loosen the fastening nut and disc spring, and the locking screw 7 rotates around the pin 8 and leaves the annular notch to achieve quick removal. If the fastening nut does not move, the pin 8 is pulled out from the C-shaped groove, and the locking screw 7 is replaced, which can also achieve quick removal.

[0018] Other parts of the present invention not described in detail belong to the prior art and will not be described here.

[0019] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A quick-release pinch roller conduit fixing device, comprising two pinch roller conduits, the pinch roller conduits being of a square box-type structure, and a positioning groove being provided axially on the lower end surface of the pinch roller conduits, characterized in that: It also includes a base, a support plate, and a pressure plate. The base is rectangular, a pin is provided at one short side of the base, the other short side of the base is vertically connected to the support plate, the upper end of the support plate is rotatably connected to the pressure plate, two grooves are provided on the upper end surface of the base along the short side direction, positioning pins are provided in the grooves, and the pinch roller guide tube is provided on the base through the positioning groove and the positioning pin. The pressure plate is provided with a clamping mechanism, which includes two adjusting screws and a locking screw. The two adjusting screws pass through the pressure plate respectively and abut against the upper end surface of the clamping roller guide tube. One end of the locking screw is provided with a thread and the other end is provided with a through hole. The through hole end of the locking screw is sleeved on the pin shaft, and the threaded end of the locking screw is fixed to the pressure plate by a fastening nut and a disc spring.

2. The quick-release pinch roller conduit fixing device according to claim 1, characterized in that: The pressure plate is provided with a rotating shaft at one end for connecting with the support plate, and a circular groove is provided at the other end. The circular groove has an opening for facilitating the entry and exit of the locking screw. The locking screw is located in the circular groove and is locked by a fastening nut and a disc spring, thereby fixing the clamping roller guide tube between the base and the pressure plate.

3. The quick-release pinch roller conduit fixing device according to claim 2, characterized in that: When the fastening nut is in a loosened state, the locking screw rotates around the pin shaft and leaves the annular notch to achieve quick release.

4. The quick-release pinch roller conduit fixing device according to claim 1, characterized in that: A short side end of the base is provided with a C-shaped groove for installing a pin shaft, and when the pin shaft is pulled out from the C-shaped groove, quick release is achieved.

5. The quick-release pinch roller conduit fixing device according to claim 1, characterized in that: A rib is provided at one long side end of the base to prevent the pinch roller guide tube from moving along the rolling direction.

6. The quick-release pinch roller conduit fixing device according to claim 1, characterized in that: The support plate is provided with mounting holes for fixing it to the rolling mill.

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