Pressing device for back-up roll of rolling mill

Abstract

The utility model discloses a pressing device for a rolling mill back-up roll, and relates to the field of rolling mill devices. The pressing device for the rolling mill supporting roller comprises a rolling mill base, and side plates are fixedly installed on the two sides of the bottom of the rolling mill base. According to the pressing device for the supporting roller of the rolling mill, the pressing assemblies are arranged on one sides of the rollers, in the process that the transmission shafts drive the two sets of rollers to rotate, the other ends of the two sets of transmission shafts can be supported and limited through the limiting sleeves, meanwhile, the transverse distance of the installed rollers can be pressed and supported through the pressing plates, and the pressing efficiency is improved. Therefore, shifting of the roller and the transmission shaft relative to the rolling mill in the rolling process can be avoided, the situation that the roller shifts in the transverse direction and the vertical direction is avoided, the profile steel rolling quality of the roller can be guaranteed, the running stability of the rolling mill is improved, the pressing assembly can conveniently press the roller, and meanwhile the rolling efficiency of the rolling mill is improved. The pressing assembly does not affect the mounting and dismounting work of the roller, the service life of the roller is prolonged, and the use quality of the roller is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rolling mill technical field, concretely is a kind of pressing device for rolling mill support roller. BACKGROUND

[0002] Rolling mill is mainly used to roll various types of steel, and the operation of rolling deformation of various types of steel can be carried out by the rolling mill. The rolling mill is mainly composed of two groups of rolls and a transmission assembly. The two groups of rolls can be driven to rotate by the transmission assembly.

[0003] When the section steel is rolled, the transmission assembly is driven to rotate the two groups of rolls, and the section steel to be rolled is passed between the two groups of rolls, so that the two groups of rolls roll the passing section steel. During the long-term use of the rolling mill, the installation of the rolls may not be firm enough under the impact of the section steel, which may cause the rolls to shake, and the quality of the rolled section steel may be reduced. To overcome the shortcomings of the prior art, a pressing device for rolling mill support roller is provided to solve the above problems. SUMMARY

[0004] To achieve the above purpose, the utility model discloses a kind of pressing device for rolling mill support roller, including rolling mill base, the bottom of the rolling mill base is fixedly installed with side plate on both sides, support roller main body is symmetrically arranged between the side plate on both sides, the outer wall of the side plate is provided with transmission assembly, the support roller main body is composed of transmission shaft and roll, the transmission shaft is fixedly connected with transmission assembly, the roll is fixedly installed with transmission shaft by installation assembly, one side of the roll is provided with pressing assembly, one side of the rolling mill base is provided with drive assembly in the inside;

[0005] The drive assembly is connected with the pressing assembly. The drive assembly drives the pressing assembly to move away from one side of the support roller main body, and the roll is installed from one side of the side plate to the transmission shaft. The drive assembly drives the pressing assembly to move, so that the pressing assembly limits and presses the transmission shaft and the roll after installation.

[0006] Preferably, the roll is sleeved on the outer peripheral wall of the transmission shaft. One end of the transmission shaft is rotatably connected to the inside of one group of side plates, and the other end penetrates the inner wall of the side plate and is connected with the pressing assembly.

[0007] Preferably, the installation assembly includes a mounting threaded cylinder and a threaded ring. The mounting threaded cylinder is fixedly sleeved on the end of the transmission shaft and rotatably connected to the inner wall of the side plate. The threaded ring is fixedly installed on the side wall of the roll. The threaded ring penetrates the side plate and is screw-connected in the inside of the mounting threaded cylinder.

[0008] Preferably, the other side wall of the roller is fixedly provided with a mounting plate, and the mounting plate is located on the outer wall of the side plate.

[0009] Preferably, the pressing assembly comprises a pressing plate, a limiting sleeve, an L-shaped fixing plate, a driving plate and a driving cylinder, and the pressing plate is located on one side of the mounting plate.

[0010] Preferably, the limiting sleeve is fixedly connected with the pressing plate, the limiting sleeve is fixedly connected with the inner wall of the L-shaped fixing plate, the driving cylinder is mounted on the outer wall of the L-shaped fixing plate, and the output end is fixedly connected with the L-shaped fixing plate.

[0011] Preferably, the driving assembly comprises a transmission screw rod, a driving motor and a driving piece, the transmission screw rod is rotatably connected in the inside of the rolling mill base, the driving piece is slidably sleeved on the outer peripheral wall of the transmission screw rod, and the bottom of the L-shaped fixing plate is fixedly connected with the driving piece.

[0012] Preferably, the driving motor is mounted on the side wall of the rolling mill base, and the output end is fixedly connected with the transmission screw rod.

[0013] The utility model discloses a kind of pressing devices for rolling mill supporting roller, it has the beneficial effects as follows: the pressing device for rolling mill supporting roller, by setting pressing assembly on one side of roller, when transmission shaft rotates in the process of driving two sets of rollers, limiting sleeve can be supported and limited to the operation of the other end of two sets of transmission shaft, simultaneously, the transverse distance of the roller after installation can be pressed and supported by pressing plate, then it can avoid that roller and transmission shaft move between relative rolling mill in rolling process, avoid that the transverse and vertical movement of roller occurs, then it can guarantee the quality of the rolling of profile steel by roller, improve the stability of rolling mill operation, and make that pressing assembly can conveniently carry out pressing work to roller, without affecting the installation and dismounting work of pressing assembly to roller, improve the service life and use quality of roller. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.

[0015] Figure 1 It is a whole structure schematic diagram of the present application;

[0016] Figure 2 It is a structure schematic diagram of the present application after the installation and pressing of roller and transmission shaft;

[0017] Figure 3The utility model discloses a compression subassembly and transmission shaft separation structure schematic view.

[0018] Figure 4 The utility model discloses a roll and transmission shaft explosion structure schematic view.

[0019] Figure 5 The utility model discloses a transmission screw rod and compression assembly connecting structure schematic view.

[0020] In the drawing: 1, rolling mill base, 101, side plate, 2, support roller main body, 201, transmission shaft, 202, roll, 203, transmission assembly, 3, install threaded cylinder, 301, threaded ring, 4, compression assembly, 401, mounting plate, 402, compression plate, 403, limit sleeve, 404, L fixed plate, 405, drive plate, 406, drive cylinder, 407, transmission screw rod, 408, drive motor, 409, drive piece. DETAILED DESCRIPTION

[0021] In order to make the utility model embodiment's purpose, technical scheme and advantage more clear, to the technical scheme in the utility model embodiment of the present application, clear, complete description, obviously, the described embodiment is the part embodiment of the utility model, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making creative labor are within the scope of the utility model protection.

[0022] In order to better understand the above technical scheme, the above technical scheme will be described in detail in conjunction with the drawings and specific embodiments in the specification.

[0023] The utility model embodiment discloses a compression device for rolling mill support roller.

[0024] According to the accompanying Figures 1-5 As shown, including rolling mill base 1, the bottom both sides of rolling mill base 1 are fixedly installed with side plate 101, and the support roller main body 2 is symmetrically arranged between the two side plates 101, and the outer wall of side plate 101 is provided with transmission assembly 203, and transmission assembly 203 is as Figure 1As shown, one end of the two groups of transmission shafts 201 is fixedly connected with the drive gears, one group of transmission shafts 201 is driven to rotate by the motor, the two groups of drive gears are engaged, and then the two groups of transmission shafts 201 are simultaneously driven to rotate, thereby enabling the two groups of rollers 202 to roll the profile steel, the support roller main body 2 is composed of the transmission shaft 201 and the roller 202, the transmission shaft 201 is fixedly connected with the transmission assembly 203, the roller 202 is fixedly installed with the transmission shaft 201 through the mounting assembly, one side of the roller 202 is provided with the pressing assembly 4, and one side of the rolling mill base 1 is internally provided with the driving assembly; before use, first, the two groups of rollers 202 are respectively installed and fixed with the transmission shaft 201, the two groups of rollers 202 are driven to rotate by the transmission assembly 203, the profile steel to be rolled is conveyed by the transmission device, so that the profile steel passes between the two groups of rollers 202, and the profile steel is rolled and formed by the two groups of rollers 202.

[0025] The driving assembly is connected with the pressing assembly 4, the driving assembly drives the pressing assembly 4 to move away from one side of the support roller main body 2, the roller 202 passes through the side plate 101 to be installed with the transmission shaft 201, the driving assembly drives the pressing assembly 4 to move, so that the pressing assembly 4 limits and presses the installed transmission shaft 201 and roller 202, during long-term use, the two groups of rollers 202 need to be timely disassembled, replaced, cleaned and the like, before the two groups of rollers 202 and the transmission shaft 201 are disassembled, first, the pressing plate 402 and the limiting sleeve 403 are driven by the driving cylinder 406 to move away from the outer peripheral wall of the two groups of transmission shafts 201, then the driving assembly drives the pressing assembly 4 to slide on the top of the rolling mill base 1, so that the pressing assembly 4 is located on one side wall of the two groups of transmission shafts 201, for details, refer to the specific description of the driving assembly in the foregoing embodiment, and the like. Figure 3 The pressing assembly 4 does not affect the installation and disassembly of the two groups of rollers 202, the mounting plate 401 at the two groups of rollers 202 is rotated, the threaded ring 301 at the roller 202 is screwed in the mounting threaded cylinder 3, and is separated from the inside, then the mounting plate 401 is pulled outward, the roller 202 is separated from one side of the side plate 101, and the disassembly of the roller 202 is realized.

[0026] Roller 202 is sleeved on the outer peripheral wall of transmission shaft 201, one end of transmission shaft 201 is rotationally connected to the inside of a set of side plates 101, and the other end passes through the inner wall of side plate 101 and is connected with the pressing assembly 4, the mounting assembly includes a mounting threaded cylinder 3 and a threaded ring 301, the mounting threaded cylinder 3 is fixedly sleeved on the end of the transmission shaft 201, and is rotationally connected to the inner wall of the side plate 101, the threaded ring 301 is fixedly installed on the side wall of the roller 202, the side plate 101 threaded connected in the inside of the mounting threaded cylinder 3 through the threaded ring 301, before the roller 202 and the transmission shaft 201 are installed and fixed, the pressing assembly 4 is still located on one side wall of the two sets of transmission shafts 201, pick up the roller 202, make the threaded ring 301 on the end of the roller 202 align with the through hole at the side plate 101, and the specific can refer to the attached Figure 4 Make the roller 202 sleeved on the outer peripheral wall of the transmission shaft 201, at this time, push the roller 202 to the inside, make the roller 202 sleeved on the outer peripheral wall of the transmission shaft 201 slide, then align the threaded ring 301 with the inside of the mounting threaded cylinder 3, rotate the mounting plate 401, drive the threaded ring 301 to be threaded connected in the inside of the mounting threaded cylinder 3, and then the operation of fixing the installed transmission shaft 201 and roller 202 can be carried out, after the installation and fixation of the two sets of roller 202 and transmission shaft 201, the driving assembly is started, the driving assembly drives the pressing assembly 4 to slide to one side of the two sets of transmission shafts 201, the driving cylinder 406 is started, the driving cylinder 406 drives the limiting sleeve 403 to be sleeved on the outer peripheral wall of the two sets of transmission shafts 201, and the two sets of pressing plates 402 clamp the mounting plate 401 on the outer wall of the side plate 101, the pressing work of the two sets of installed rollers 202 is realized, and the specific can refer to the attached Figure 2 At the same time, the limiting sleeve 403 can support and limit the other end of the two sets of transmission shafts 201, when the transmission shaft 201 drives the two sets of rollers 202 to rotate, the limiting sleeve 403 can support and limit the other end of the two sets of transmission shafts 201, at the same time, the pressing plate 402 can press and support the transverse distance of the installed roller 202, thereby avoiding the movement of the roller 202 and the transmission shaft 201 relative to the rolling mill during rolling, avoiding the transverse and vertical movement of the roller 202, and thereby ensuring the quality of the rolled steel and improving the stability of the rolling mill.

[0027] The other side wall of the roller 202 is fixedly provided with a mounting plate 401, and the mounting plate 401 is located on the outer wall of the side plate 101. The pressing assembly 4 comprises a pressing plate 402, a limiting sleeve 403, an L-shaped fixing plate 404, a driving plate 405, a driving cylinder 406, and the pressing plate 402 is located on one side of the mounting plate 401. By starting the driving motor 408 on one side, the transmission screw rod 407 is driven to rotate in the inside of the rolling mill base 1, and at the same time, the driving part 409 can drive the L-shaped fixing plate 404 to slide on the top of the rolling mill base 1. The position of the pressing assembly 4 can be moved according to the needs, so that the pressing assembly 4 can conveniently press the roller 202, and the installation and dismounting of the pressing assembly 4 on the roller 202 are not affected.

[0028] The limiting sleeve 403 is fixedly connected with the pressing plate 402, the limiting sleeve 403 is fixedly connected with the inner wall of the L-shaped fixing plate 404, the driving cylinder 406 is installed on the outer wall of the L-shaped fixing plate 404, and the output end is fixedly connected with the L-shaped fixing plate 404. The L-shaped fixing plate 404 is used for installing the driving cylinder 406, the pressing plate 402 and the limiting sleeve 403.

[0029] The driving assembly comprises a transmission screw rod 407, a driving motor 408 and a driving part 409. The transmission screw rod 407 is rotatably connected in the inside of the rolling mill base 1. The driving part 409 is slidably sleeved on the outer circumferential wall of the transmission screw rod 407 and is fixedly connected with the bottom of the L-shaped fixing plate 404. The driving motor 408 is installed on the side wall of the rolling mill base 1 and the output end is fixedly connected with the transmission screw rod 407.

[0030] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements. These changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A clamping device for a rolling mill support roll, comprising a rolling mill base (1), wherein side plates (101) are fixedly installed on both sides of the bottom of the rolling mill base (1), and support roll bodies (2) are symmetrically arranged between the side plates (101) on both sides, and a transmission assembly (203) is provided on the outer wall of the side plates (101), characterized in that, The support roller body (2) is composed of a drive shaft (201) and a roll (202). The drive shaft (201) is fixedly connected to the drive assembly (203). The roll (202) is fixedly installed to the drive shaft (201) through the mounting assembly. A pressing assembly (4) is provided on one side of the roll (202). A drive assembly is provided inside one side of the mill base (1). The drive assembly is connected to the clamping assembly (4). When the drive assembly works, it drives the clamping assembly (4) to detach from one side of the support roller body (2) and installs the roller (202) through the side plate (101) and the drive shaft (201). When the drive assembly works, it drives the clamping assembly (4) to move, so that the clamping assembly (4) performs a limiting clamping process on the installed drive shaft (201) and roller (202).

2. The clamping device for rolling mill support rolls according to claim 1, characterized in that: The roller (202) is fitted on the outer peripheral wall of the drive shaft (201). One end of the drive shaft (201) is rotatably connected to the inside of a set of side plates (101), and the other end passes through the inner wall of the side plate (101) and is connected to the pressing assembly (4).

3. The clamping device for rolling mill support rolls according to claim 2, characterized in that: The mounting assembly includes a mounting threaded cylinder (3) and a threaded ring (301). The mounting threaded cylinder (3) is fixedly sleeved on the end of the drive shaft (201) and rotatably connected to the inner wall of the side plate (101). The threaded ring (301) is fixedly installed on the side wall of the roll (202). The side plate (101) through which the threaded ring (301) passes is threadedly connected to the inside of the mounting threaded cylinder (3).

4. The clamping device for rolling mill support rolls according to claim 3, characterized in that: An mounting plate (401) is fixedly installed on the other side wall of the roll (202), and the mounting plate (401) is located on the outer wall of the side plate (101).

5. A clamping device for a rolling mill support roll according to claim 4, characterized in that: The clamping assembly (4) includes a clamping plate (402), a limiting sleeve (403), an L-fixing plate (404), a driving plate (405), and a driving cylinder (406). The clamping plate (402) is located on one side of the mounting plate (401).

6. A clamping device for a rolling mill support roll according to claim 5, characterized in that: The limiting sleeve (403) is fixedly connected to the pressing plate (402), the limiting sleeve (403) is fixedly connected to the inner wall of the L fixing plate (404), the driving cylinder (406) is installed on the outer wall of the L fixing plate (404), and the output end is fixedly connected to the L fixing plate (404).

7. A clamping device for a rolling mill support roll according to claim 1, characterized in that: The drive assembly includes a lead screw (407), a drive motor (408), and a drive component (409). The lead screw (407) is rotatably connected inside the mill base (1), and the drive component (409) is slidably sleeved on the outer peripheral wall of the lead screw (407) and fixedly connected to the bottom of the L-fixed plate (404).

8. A clamping device for a rolling mill support roll according to claim 7, characterized in that: The drive motor (408) is mounted on the side wall of the mill base (1), and its output end is fixedly connected to the transmission screw (407).

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