Roll box of modular rolling mill

Abstract

The utility model discloses a roller box of a modular rolling mill, which relates to the technical field of bar rolling equipment and comprises a box body, a panel is detachably connected to the top surface of the box body, cooling water pipes are symmetrically mounted on the panel, a first roller shaft and a second roller shaft are rotatably connected in the box body respectively, and rollers are fixedly mounted on the first roller shaft and the second roller shaft respectively. The rollers are located on the outer side of the panel, a first eccentric sleeve is rotationally connected to the first roller shaft, a second eccentric sleeve is rotationally connected to the second roller shaft, the first eccentric sleeve and the second eccentric sleeve are rotationally connected with the box body, the eccentric sleeves are in transmission connection with an adjusting assembly, and fixing plates are symmetrically and rotationally connected to the outer side of the box body. Adjusting gaskets are arranged between the fixing plates and the box body, and the two fixing plates are detachably connected with the first eccentric sleeve and the second eccentric sleeve respectively. The double-pass rolling mill is high in rolling speed, high in rolling precision and convenient to install and maintain, two rolling passes can be achieved through one rolling mill, and environmental pollution is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to bar rolling equipment technical field especially relates to a module rolling mill roller box. BACKGROUND

[0002] Module rolling mill is one of the important core component equipment on the steel rolling production line. 340 module rolling mill roller box can be installed to 340 module rolling mill cone box, is specially applied to bar production line, realizes φ12-φ20, φ20-φ32 deformed steel through the rotating speed and torque of cone box transmission, wherein the rolling speed of rolling φ12 deformed steel can reach 40m / s, and low temperature rolling φ32-φ40 round bar can be realized.

[0003] The existing module rolling mill is more cumbersome when adjusting the roll gap, and is low in speed, poor in precision, backward and seriously polluted.

[0004] Therefore, the utility model provides a module rolling mill roller box to solve the above prior art problems. UTILITY MODEL CONTENTS

[0005] In order to realize the above-mentioned purpose, the utility model provides the following scheme: the utility model provides a module rolling mill roller box, including the box, the detachable connection is established to the panel on the box top surface, the symmetrical installation is carried out to the cooling water pipe on the panel, the first roll shaft and the second roll shaft are rotatably connected in the box respectively, the roll is fixedly installed on the first roll shaft and the second roll shaft respectively, the roll is located the panel outer side, the first eccentric sleeve is rotatably connected on the first roll shaft, the second eccentric sleeve is rotatably connected on the second roll shaft, the first eccentric sleeve and the second eccentric sleeve are rotatably connected with the box respectively, the eccentric sleeve transmission is connected with the adjusting assembly, the fixed plate is rotatably connected to the box outside symmetry, the adjusting washer is arranged between the fixed plate and the box, and the first eccentric sleeve and the second eccentric sleeve are detachably connected with the first eccentric sleeve and the second eccentric sleeve respectively.

[0006] Preferably, the adjusting assembly includes an adjusting lead screw rotatably connected to the box, the adjusting lead screw is rotatably connected to the box outside through a key transmission, and the adjusting lead screw is rotatably connected to the box outside through a key transmission.

[0007] Preferably, the first roll shaft and the second roll shaft end are detachably connected with the protective cap respectively, and the protective cap is located the panel outer side.

[0008] Preferably, the first roll shaft and the second roll shaft are rotatably connected with the angular contact ball bearing at the end away from the protective cap, and the angular contact ball bearing is used to bear the axial force.

[0009] Preferably, the first eccentric sleeve and the second eccentric sleeve are symmetrically provided with first oil film bearings and second oil film bearings respectively, and the radial clearances of the first oil film bearings and the second oil film bearings are 0.3-0.4mm.

[0010] Preferably, the cooling water pipe is provided with a plurality of water outlets, and the water outlets are directed towards the rollers.

[0011] Preferably, the first roller shaft and the second roller shaft are respectively provided with cylindrical helical gears, the cylindrical helical gears are engaged with helical gears in the conical box of the module rolling mill, and the first roller shaft and the second roller shaft are driven to rotate by the motor.

[0012] The utility model discloses the following technical effects: one end of first roller shaft and second roller shaft is installed in the box, and the other end passes through the panel and extends outside the panel and drives the roller to rotate, and then carries out the rolling work, two rollers are located outside the panel, and the maximum outer circle diameter of each roller is 340mm, the adjusting assembly can adjust the interval of first roller shaft and second roller shaft to expand the application range, the first eccentric sleeve and the second eccentric sleeve are axially positioned through the fixed plate with the box, and the center of two rollers is adjusted through the adjusting gasket, and the height error of the rolling line is ensured to be no more than 0.02mm, and the cooling water pipe is used for cooling two rollers. Compared with the 250 double module rolling mill roll box of the finishing mill area, the 340 module rolling mill roll box is higher in strength, larger in transmission torque and rolling force, guarantees the rolling force 700KN and the rolling torque 21KN m, realizes the rolling finished product 20-32 specification bar, is used for replacing the traditional short stress 350 rolling mill or the pre-finishing mill group rolling 20-32 specification bar, and compared with the short stress 350 rolling mill or the pre-finishing mill group, the advantages are: high rolling speed, high rolling precision, convenient installation and maintenance, one rolling mill can realize two rolling passes, and environmental pollution is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] The drawings constituting a part of this application are used to provide further understanding of the application, and the illustrative embodiments of the application and the description thereof are used to explain the application, and do not constitute improper limitation on the application. In the drawings:

[0014] Figure 1 It is the top view of the utility model;

[0015] Figure 2 It is the structure schematic view of A-A of the utility model;

[0016] Figure 3 It is the structure schematic view of B-B of the utility model;

[0017] Figure 4The utility model discloses C-C's structure schematic diagram shows that the utility model discloses a C-C's structure schematic diagram.

[0018] In the drawing: 201, panel; 202, cooling water pipe; 203, box; 204, first eccentric sleeve; 205, first roll shaft; 206, second roll shaft; 207, second eccentric sleeve; 208, roll; 209, protective cap; 210, first oil film bearing; 211, copper nut; 212, second oil film bearing; 213, adjusting gasket; 214, fixed plate; 215, angular contact ball bearing; 216, adjusting gear; 217, adjusting lead screw. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0021] Referring to Figures 1-4 As shown in the drawing, the embodiment provides a module rolling mill roll box, including box 203, the detachable connection of box 203 top surface has panel 201, the symmetrical installation of panel 201 on cooling water pipe 202, the first roll shaft 205 and second roll shaft 206 are respectively connected in rotation in box 203, and the roll 208 is respectively fixedly installed on the first roll shaft 205 and second roll shaft 206, and the roll 208 is located outside panel 201, the first eccentric sleeve 204 is connected in rotation on the first roll shaft 205, and the second eccentric sleeve 207 is connected in rotation on the second roll shaft 206, and the first eccentric sleeve 204 and second eccentric sleeve 207 are respectively connected in rotation with box 203, and the adjusting assembly is driven connected with eccentric sleeve, and the fixed plate 214 is connected in rotation symmetrically outside box 203, and the adjusting gasket 213 is arranged between fixed plate 214 and box 203, and two fixed plates 214 are respectively detachably connected with first eccentric sleeve 204 and second eccentric sleeve 207.

[0022] One end of the first roller shaft 205 and the second roller shaft 206 is installed in the box body 203, the other end passes through the panel 201 and extends outside the panel 201, drives the roller 208 to rotate, and then performs the rolling work; the two rollers 208 are located outside the panel 201, and the maximum outer diameter of each roller 208 is 340mm; the adjusting assembly can adjust the distance between the first roller shaft 205 and the second roller shaft 206, so as to expand the application range; the first eccentric sleeve 204 and the second eccentric sleeve 207 are axially positioned by the fixed plate 214 and the box body 203, and the center of the two rollers 208 is adjusted by adjusting the gasket 213, so that the height error of the rolling line is not greater than 0.02mm; the cooling water pipe 202 is used for cooling the two rollers 208. The rolling speed is fast, the rolling precision is high, the installation and maintenance are convenient, two rolling passes can be realized by one rolling mill, and the environmental pollution is reduced.

[0023] Further optimization scheme, the adjusting assembly includes an adjusting screw rod 217 rotatably connected with the box body 203, the adjusting screw rod is rotatably connected with the box body 203 through a key transmission connection, the adjusting gear 216 is rotatably connected with the outside of the box body 203, the copper nut 211 is symmetrically screwed on the adjusting screw rod 217, and the two copper nuts 211 are respectively in transmission connection with the first eccentric sleeve 204 and the second eccentric sleeve 207. The copper nut 211 and the first eccentric sleeve 204 and the second eccentric sleeve 207 can adopt any mode that can realize the transmission relationship, for example, an arc-shaped groove is formed on the eccentric sleeve, the copper nut 211 is fixedly connected with an extension rod which extends into the arc-shaped groove, and the rotation of the eccentric sleeve is realized; the adjusting screw rod 217 is installed on the box body 203, the roller gap adjusting device on the roller box is driven to rotate, the adjusting gear 216 on the roller box is driven to rotate, the adjusting gear 216 and the roller gap adjusting device on the roller box are connected through a key to drive the screw rod to rotate, the copper nut 211 is driven to rotate in the same or opposite direction, the first eccentric sleeve 204 and the second eccentric sleeve 207 are driven to rotate in the hole of the box body 203 and the panel 201, the first roller shaft 205 and the second roller shaft 206 and the roller 208 are moved, the size of the roller gap and the center distance range of the roller 208 from 306.5-346mm are realized, and the requirements of adapting to various specifications of the roller 208 are achieved, so that the service life of the roller 208 is prolonged.

[0024] Further optimization scheme, the first roller shaft 205 and the second roller shaft 206 are respectively detachably connected with the protective cap 209, and the protective cap 209 is located outside the panel 201. The protective cap 209 plays a protective role on the end of the first roller shaft 205 and the second roller shaft 206.

[0025] Further optimization scheme, one end of the first roller shaft 205 and the second roller shaft 206 away from the protective cap 209 is rotatably connected with an angular contact ball bearing 215, and the angular contact ball bearing 215 is used for bearing axial force.

[0026] Further optimization scheme, first eccentric sleeve 204 and second eccentric sleeve 207 respectively symmetrically install first oil film bearing 210 and second oil film bearing 212, first oil film bearing 210 and second oil film bearing 212 with the radial clearance of first roller shaft 205 and second roller shaft 206 are 0.3-0.4mm.First oil film bearing 210 and second oil film bearing 212 are the action of reducing roll box structure and can bear larger radial force.

[0027] Further optimization scheme, cooling water pipe 202 is provided with a plurality of water outlet holes, and the water outlet holes are oriented to the roll 208.Circulating cooling water is introduced into the cooling water pipe 202, is sprayed through the water outlet hole, is sprayed on the roll 208, and plays a cooling effect.

[0028] Further optimization scheme, first roller shaft 205 and second roller shaft 206 are respectively provided with cylindrical helical gears, the cylindrical helical gears are meshed with the helical gears in the module rolling mill cone box, are driven by motor, and drive first roller shaft 205 and second roller shaft 206 to rotate.

[0029] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0030] The above-described embodiments are only preferred modes of the present application, and do not limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application should fall within the protection scope of the present application.

Claims

1. A modular rolling mill roll housing, characterized by: The utility model provides a kind of eccentric sleeve module rolling mill, including box (203), detachable connection is connected with panel (201) on the top surface of the box (203), cooling water pipe (202) is symmetrically installed on the panel (201), first roller shaft (205) and second roller shaft (206) are respectively rotatably connected in the box (203), first roller shaft (205) and second roller shaft (206) are respectively fixedly installed with roller (208), roller (208) is located outside panel (201), first eccentric sleeve (204) is rotatably connected on first roller shaft (205), second eccentric sleeve (207) is rotatably connected on second roller shaft (206), first eccentric sleeve (204) and second eccentric sleeve (207) are rotatably connected with box (203), eccentric sleeve is drivingly connected with adjusting assembly, fixed plate (214) is rotatably connected outside box (203) symmetrically, adjusting washer (213) is arranged between fixed plate (214) and box (203), two fixed plate (214) are detachably connected with first eccentric sleeve (204) and second eccentric sleeve (207) respectively.

2. The modular rolling mill roll housing of claim 1, wherein: The adjusting assembly includes adjustment screw (217) rotatably connected with the box (203), the adjustment screw (217) is drivingly connected with adjustment gear (216) at either end by key, the adjustment gear (216) is rotatably connected with the outside of the box (203), the adjustment screw (217) is symmetrically threadedly connected with copper nut (211), the two copper nuts (211) are drivingly connected with the first eccentric sleeve (204) and the second eccentric sleeve (207) respectively.

3. The modular rolling mill roll box of claim 1, wherein: The first roller shaft (205) and the second roller shaft (206) are detachably connected with the protective cap (209) at the end, and the protective cap (209) is located outside the panel (201).

4. The modular rolling mill roll box of claim 3, wherein: The first roller shaft (205) and the second roller shaft (206) are rotatably connected with angular contact ball bearings (215) at one end away from the protective cap (209), and the angular contact ball bearings (215) are used to bear axial force.

5. The modular rolling mill roll housing of claim 1, wherein: The first eccentric sleeve (204) and the second eccentric sleeve (207) are symmetrically installed with first oil film bearing (210) and second oil film bearing (212) respectively, and the radial clearance of the first oil film bearing (210) and the second oil film bearing (212) with the first roller shaft (205) and the second roller shaft (206) is 0.3-0.4mm.

6. The modular rolling mill roll housing of claim 1, wherein: The cooling water pipe (202) is provided with a plurality of water outlets, and the water outlets are directed towards the roller (208).

7. The modular rolling mill roll housing of claim 1, wherein: The first roller shaft (205) and the second roller shaft (206) are respectively provided with cylindrical helical gears, which are meshed with helical gears in the cone box of the module rolling mill, and are driven to rotate the first roller shaft (205) and the second roller shaft (206) by the motor.

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