Device for quickly fixing position of roller during roller replacement

By designing a roll fixing device with a replacement mechanism, positioning components, and displacement mechanism, the problem of back-and-forth movement during roll replacement was solved, achieving rapid installation and improved stability, and expanding the scope of application.

CN223698887UActive Publication Date: 2025-12-23CHANGSHU EVERBRIGHT MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202520057594.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2025-12-23
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

The existing roll changing device requires frequent movement between the cold rolling mill and the feeding area during the changing process, which prolongs the changing time and affects the changing speed.

Method used

A device comprising a replacement mechanism, a positioning component, a support component, and a displacement mechanism was designed. By installing the roll directly at the cold rolling mill location after roll disassembly, the back-and-forth movement time is reduced, and the stability and applicability of the roll are improved through the positioning component and the support component.

Benefits of technology

It enables rapid installation of the rolls, reduces the back-and-forth movement time between the cold rolling mill and the feeding area, improves installation speed and stability, and expands the scope of application.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a device for quickly fixing the position of a roller during roller replacement, which belongs to the technical field of roller replacement devices and comprises a mounting box. The driving motor is fixedly mounted on the rear side wall surface of the mounting box; the replacement mechanism and the displacement mechanism are arranged on the mounting box; the replacement mechanism comprises a mounting frame fixedly mounted at the output end of the driving motor; the positioning box is slidably mounted on the upper and lower wall surfaces of the mounting frame; the positioning assemblies are arranged on the two groups of positioning boxes, and positioning grooves are formed in the front side wall surfaces of the two groups of positioning boxes; the positioning sleeves are fixedly mounted on the front side wall surfaces of the two groups of positioning boxes and correspond to the positioning grooves; the first electric guide rails are fixedly installed on the upper wall face and the lower wall face of the installation frame, and the sliding ends of the two first electric guide rails are fixedly connected with the positioning box on the same side. By arranging the replacement mechanism, the roller to be installed can be installed after the roller is detached, the time for moving back and forth between the cold rolling mill and the feeding area is shortened, the installation speed is increased, and rapid installation is achieved.
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Description

Technical Field

[0001] This utility model relates to the technical field of roll changing devices, specifically to a device for quickly fixing the position of rolls during roll changing. Background Technology

[0002] A roll changing device is used when changing rolls in a cold rolling mill.

[0003] Existing roll changing devices first clamp one end of the roll in the loading area and adjust it to the same position as the roll installation location on the cold rolling mill. Finally, a moving device directly inserts the roll into the installation location for quick installation. However, existing devices can only clamp one roll at a time. This means that the roll to be disassembled must first be removed from the cold rolling mill installation location by the device, then the entire assembly must be transported to the loading area by the displacement device, the disassembled roll is placed in the loading area, the roll to be installed is clamped, and finally the roll to be installed is moved to the position on the cold rolling mill for installation. The entire process requires the device to move back and forth between the cold rolling mill and the loading area, which undoubtedly increases the overall changeover time and is not conducive to the changeover speed.

[0004] Based on this, the present invention designs a device for quickly fixing the position of the rolls during roll changing to solve the above problems. Utility Model Content

[0005] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a device for quickly fixing the position of the rolls during roll changing.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A device for quickly fixing the position of a roll during roll changing includes a mounting box; a drive motor fixedly mounted on the rear wall of the mounting box; a replacement mechanism and a displacement mechanism disposed on the mounting box, the replacement mechanism including a mounting bracket fixedly mounted on the output end of the drive motor; positioning boxes slidably mounted on the upper and lower walls of the mounting bracket; positioning components disposed on two sets of positioning boxes, each set of positioning boxes having a positioning groove on its front wall; positioning sleeves fixedly mounted on the front walls of the two sets of positioning boxes corresponding to the positioning grooves; electric guide rails fixedly mounted on the upper and lower walls of the mounting bracket, the sliding ends of both sets of electric guide rails being fixedly connected to the positioning boxes on the same side; and support components disposed on the upper and lower walls of the mounting bracket.

[0008] A cylinder is fixedly installed on the front wall of the mounting box, and a limit block is fixedly installed on the telescopic end of the cylinder. Two sets of connecting grooves are opened on the rear wall of the mounting frame, and the limit block is slidably inserted into the lower connecting groove.

[0009] Further, the positioning assembly comprises two hydraulic rods I fixedly installed on the left and right side walls of the positioning box, the telescopic ends of the two groups of hydraulic rods I are slidably connected with the walls of the positioning box, and the inner walls of the positioning grooves are provided with limiting sliding grooves corresponding to the positions of the two groups of hydraulic rods I; the positioning clamping blocks are slidably connected in the two groups of limiting sliding grooves, the two groups of positioning clamping blocks are fixedly connected with the telescopic ends of the hydraulic rods I on the same side, and the walls close to the two groups of positioning clamping blocks are arc surfaces.

[0010] Further, the supporting assembly comprises supporting frames fixedly installed on the upper and lower walls of the mounting frame, mounting plates fixedly installed in the two groups of supporting frames, and rotating columns rotatably installed in the two groups of mounting plates.

[0011] Further, the interiors of the two groups of supporting frames are circular, the two groups of mounting plates and the two groups of rotating columns are provided with four, and the four mounting plates and the four rotating columns in the same group are distributed in an equicircular arc state.

[0012] Further, the displacement mechanism comprises a mounting base placed at the lower side of the mounting box, four electric rollers rotatably installed at the bottom of the mounting base, a limiting guide rail placed at the lower side of the mounting base, an electric guide rail II fixedly installed at the top of the mounting base, a mounting bottom plate fixedly installed at the sliding end of the electric guide rail II, and a lifting assembly arranged on the mounting box.

[0013] Further, the outer walls of the four groups of electric rollers are provided with clamping grooves, the clamping grooves of the four groups of electric rollers are in rolling contact with the corresponding outer walls of the limiting guide rail, and the clamping grooves of the four groups of electric rollers are movably clamped into the corresponding outer walls of the limiting guide rail.

[0014] Further, the lifting assembly comprises a limiting sliding rod fixedly installed at the bottom of the mounting box, the outer wall of the limiting sliding rod movably penetrates through the upper and lower walls of the mounting bottom plate, and a hydraulic rod II is fixedly installed at the bottom wall of the mounting bottom plate.

[0015] Further, the limiting sliding rod and the mounting bottom plate are slidably connected, the telescopic end of the hydraulic rod II is slidably connected with the mounting bottom plate, and the telescopic end of the hydraulic rod II is fixedly installed at the bottom wall of the mounting box.

[0016] Compared with the prior art, the utility model has the advantages that: 1. By setting the replacement mechanism, the installation operation of the to-be-installed roller can be carried out after the roller is disassembled, the time of moving back and forth between the cold rolling mill and the feeding area is reduced, the installation speed is improved, and rapid installation is realized.

[0017] 2. By setting the positioning assembly, the disassembly and installation of the roller are facilitated, by setting the supporting assembly, the stability during clamping cold rolling can be improved, by setting the displacement mechanism, the roller at multiple positions of the cold rolling mill can be operated, and the application range is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of 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 described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the premise of the drawings.

[0019] Figure 1 It is a left side view of the whole of the present application;

[0020] Figure 2 It is a front view of the whole of the present application;

[0021] Figure 3 It is a right side view of the whole of the present application;

[0022] Figure 4 It is a perspective view of the mounting frame of the present application;

[0023] Figure 5 It is a right view of the whole of the present application;

[0024] Figure 6 It is a perspective view of the mounting box of the present application.

[0025] The numbers in the figure represent respectively:

[0026] 1, mounting box; 2, replacement mechanism; 21, mounting frame; 22, positioning box; 23, positioning assembly; 231, hydraulic rod one; 232, limiting sliding groove; 233, positioning clamp block; 24, positioning groove; 25, positioning sleeve; 26, electric guide rail one; 27, supporting assembly; 271, supporting frame; 272, mounting plate; 273, rotating column; 3, driving motor; 4, displacement mechanism; 41, mounting base; 42, electric roller; 43, limiting guide rail; 44, electric guide rail two; 45, mounting bottom plate; 46, lifting assembly; 461, hydraulic rod two; 462, limiting sliding rod; 5, air cylinder; 6, limiting block; 7, connecting groove. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0028] "left", "right", "front", "back", "up", "down" mentioned in the following description are oriented in the perspective direction of the front view.

[0029] The utility model will be further described below in combination with the embodiments.

[0030] Embodiment one: please refer to the accompanying drawings of the specification Figure 1 , Figure 2 , Figure 3 And Figure 6 A device for quickly fixing the position of a roll during roll change, comprising a mounting box 1, a roll is placed on the right side of the mounting box 1, a drive motor 3 is fixedly installed on the rear side wall surface of the mounting box 1, a replacement mechanism 2 and a displacement mechanism 4 are arranged on the mounting box 1, the replacement mechanism 2 comprises a mounting frame 21 fixedly installed on the output end of the drive motor 3, a positioning box 22 is slidingly installed on the upper and lower wall surfaces of the mounting frame 21, a positioning assembly 23 is arranged on the two sets of positioning boxes 22, positioning grooves 24 are formed in the front side wall surfaces of the two sets of positioning boxes 22, positioning sleeves 25 are fixedly installed on the front side wall surfaces of the two sets of positioning boxes 22 at positions corresponding to the positioning grooves 24, electric guide rails one 26 are fixedly installed on the upper and lower wall surfaces of the mounting frame 21, the sliding ends of the two sets of electric guide rails one 26 are fixedly connected with the same side positioning box 22, support assemblies 27 are arranged on the upper and lower wall surfaces of the mounting frame 21, a pneumatic cylinder 5 is fixedly installed on the front side wall surface of the mounting box 1, a limiting block 6 is fixedly installed on the telescopic end of the pneumatic cylinder 5, two sets of connecting grooves 7 are formed in the rear side wall surface of the mounting frame 21, and the limiting block 6 and the lower connecting groove 7 are slidingly inserted together.

[0031] In specific use, the thinner end of the to-be-installed roller is clamped into the interior of the lower positioning sleeve 25 until the thinner end of the to-be-installed roller is attached to the rear wall surface of the positioning groove 24, and then the thinner end of the roller is clamped and positioned by the positioning assembly 23. Then the installation box 1 is moved to the cold rolling mill to be disassembled by the displacement mechanism 4, and the upper positioning sleeve 25 is aligned with the position of the roller to be disassembled on the cold rolling mill. The roller on the cold rolling mill is loosened, which is a prior art and will not be described here. The upper positioning box 22 is moved forward to the most forward position by the upper electric guide rail 1 26, and in this process, the upper positioning sleeve 25 moves forward, and the upper positioning groove 24 and the positioning sleeve 25 will sleeve the thinner end of the to-be-disassembled roller inside, and the to-be-disassembled roller is clamped by the upper positioning assembly 23. At this time, the upper positioning box 22 is moved backward to the initial position by the upper electric guide rail 1 26, so as to realize the disassembly of the roller. Then the driving motor 3 is started, and the output end of the driving motor 3 rotates the installation frame 21 by one hundred and eighty degrees. The to-be-installed roller moves to the upper position, and the same side positioning box 22 is moved forward by the same side electric guide rail 1 26, and the to-be-installed roller is inserted into the installation position of the cold rolling mill roller. The to-be-installed roller is loosened by the same side positioning assembly 23. Finally, the positioning box 22 is reset to the original state. While disassembling, the installation of the roller can be realized, the time consumed by moving back and forth between the cold rolling mill and the feeding area is reduced, the installation speed is improved, the quick installation is realized, and in addition, before driving the driving motor 3, the extension end of the air cylinder 5 is retracted, the limiting block 6 moves backward and separates from the connecting groove 7. After the installation frame 21 rotates one hundred and eighty degrees, the extension end of the air cylinder 5 is extended, the limiting block 6 moves forward and is clamped into the interior of the corresponding connecting groove 7, so as to improve the stability of the installation frame 21 in the stationary state.

[0032] Embodiment two: on the basis of embodiment one, please refer to the Figure 1 Figure 5 The positioning assembly 23 comprises hydraulic rods 231 fixedly installed on the left and right wall surfaces of the positioning box 22. The extension ends of the two groups of hydraulic rods 231 are in sliding connection with the wall surfaces of the positioning box 22. The inner walls of the positioning grooves 24 are provided with limiting sliding grooves 232 corresponding to the positions of the two groups of hydraulic rods 231. The positioning clamping blocks 233 are in sliding connection inside the two groups of limiting sliding grooves 232. The two groups of positioning clamping blocks 233 are fixedly connected with the extension ends of the same side hydraulic rods 231. The wall surfaces of the two groups of positioning clamping blocks 233 close to each other are arc surfaces.

[0033] ​The support assembly 27 comprises support frames 271 fixedly installed on the upper and lower walls of the mounting rack 21, the interiors of the two groups of support frames 271 are circular; mounting plates 272 fixedly installed in the interiors of the two groups of support frames 271; rotating columns 273 rotatably installed in the interiors of the two groups of mounting plates 272, the two groups of mounting plates 272 and the two groups of rotating columns 273 are both provided with four, the four mounting plates 272 and the four rotating columns 273 in the same group are in equicircular arc state distribution, and the two groups of rotating columns 273 are both made of low-friction coefficient material.

[0034] The displacement mechanism 4 comprises a mounting base 41 placed at the lower side of the mounting box 1; four groups of electric rollers 42 rotatably installed at the bottom of the mounting base 41, the outer walls of the four groups of electric rollers 42 are all provided with clamping grooves; a limiting guide rail 43 placed at the lower side of the mounting base 41, the clamping grooves of the four groups of electric rollers 42 are respectively in rolling contact with the corresponding outer walls of the limiting guide rail 43, and the clamping grooves of the four groups of electric rollers 42 are all movably clamped into the corresponding outer walls of the limiting guide rail 43; an electric guide rail two 44 fixedly installed at the top of the mounting base 41; a mounting bottom plate 45 fixedly installed at the sliding end of the electric guide rail two 44; and a lifting assembly 46 arranged on the mounting box 1.

[0035] The lifting assembly 46 comprises a limiting sliding rod 462 fixedly installed at the bottom of the mounting box 1, the outer wall of the limiting sliding rod 462 movably penetrates through the upper and lower walls of the mounting bottom plate 45, and the limiting sliding rod 462 is in sliding connection with the mounting bottom plate 45; a hydraulic rod two 461 fixedly installed at the bottom wall of the mounting bottom plate 45, the extension end of the hydraulic rod two 461 is in sliding connection with the mounting bottom plate 45, and the extension end of the hydraulic rod two 461 is fixedly installed at the bottom wall of the mounting box 1.

[0036] In specific use, the two groups of hydraulic rods one 231 are made to extend their extension ends, the two groups of positioning clamping blocks 233 are made to approach each other, and the thinner end of the roller is clamped. Conversely, the roller is loosened. The operation is simple and convenient, and the use is convenient. In the process of extracting the roller by the positioning box 22, the thicker end of the roller will penetrate into the interior of the support frame 271. The support frame 271 can play a supporting role, and the stability of the whole is increased. In the process of pulling the roller, the roller will be in rolling contact with the outer wall of the rotating column 273, the friction between the support frame 271 and the roller can be reduced, the wear of the roller is reduced, the protection effect is improved, the electric roller 42 is rotated, the electric roller 42 will rotate along the outer wall of the limiting guide rail 43, according to the different rotating directions of the electric roller 42, the left and right movements of the mounting base 41 can be realized, so that the positions of the mounting box 1 in the front and back directions are changed. Through the electric guide rail two 44, the mounting bottom plate 45 can move left and right, the positions of the mounting box 1 in the left and right directions can be changed, through the extension or contraction of the extension end of the hydraulic rod two 461, the mounting box 1 can move up and down, the height of the mounting box 1 can be changed, through the change of the positions of the mounting box 1 in the left and right directions and the up and down directions, the rollers at multiple positions of the cold rolling mill can be replaced, and the application range is improved.

[0037] The above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A device for quick fixing the position of a roll during roll change, comprising a mounting box (1), characterized in that: It also includes a drive motor (3) fixedly installed on the rear side wall surface of the installation box (1); a replacement mechanism (2) and a displacement mechanism (4) arranged on the installation box (1); The replacement mechanism (2) comprises a mounting frame (21) fixedly installed on the output end of the drive motor (3); a positioning box (22) slidingly installed on the upper and lower walls of the mounting frame (21); a positioning assembly (23) arranged on the two groups of positioning boxes (22), the front side wall surface of the two groups of positioning boxes (22) is provided with a positioning groove (24); a positioning sleeve (25) fixedly installed on the front side wall surface of the two groups of positioning boxes (22) corresponding to the position of the positioning groove (24); an electric guide rail one (26) fixedly installed on the upper and lower walls of the mounting frame (21), the sliding end of the two groups of electric guide rail one (26) is fixedly connected with the same side positioning box (22); a support assembly (27) arranged on the upper and lower walls of the mounting frame (21); The front side wall surface of the installation box (1) is fixedly provided with a gas cylinder (5), the telescopic end of the gas cylinder (5) is fixedly provided with a limiting block (6), the rear side wall surface of the mounting frame (21) is provided with two groups of connecting grooves (7), and the limiting block (6) and the lower connecting groove (7) are slidingly inserted together.

2. The device for quick fixation of the roll position during roll change according to claim 1, characterized in that, The positioning assembly (23) comprises a hydraulic rod one (231) fixedly installed on the left and right side walls of the positioning box (22), the telescopic end of the two groups of hydraulic rod one (231) is slidingly connected with the wall surface corresponding to the positioning box (22), and the inner wall of the positioning groove (24) is provided with a limiting sliding groove (232) corresponding to the position of the two groups of hydraulic rod one (231); a positioning clamp block (233) slidingly connected in the two groups of limiting sliding grooves (232), the telescopic end of the two groups of positioning clamp blocks (233) is fixedly connected with the same side hydraulic rod one (231), and the wall surface close to the two groups of positioning clamp blocks (233) is an arc surface.

3. The device for quick fixation of the roll position during roll change according to claim 1, characterized in that, The support assembly (27) comprises a support frame (271) fixedly installed on the upper and lower walls of the mounting frame (21); an installation plate (272) fixedly installed in the two groups of support frames (271); a rotating column (273) rotatably installed in the two groups of installation plates (272).

4. The device for quick fixation of the roll position during roll change according to claim 3, characterized in that, The inner part of the two groups of support frames (271) is circular, the two groups of installation plates (272) and the two groups of rotating columns (273) are provided with four, and the four installation plates (272) and the four rotating columns (273) in the same group are distributed in an equal circular arc state.

5. The device for quick fixation of the roll position during roll change according to claim 1, characterized in that, The displacement mechanism (4) comprises an installation base (41) placed at the lower side of the installation box (1); four groups of electric rollers (42) rotatably installed at the bottom of the installation base (41); a limiting guide rail (43) placed at the lower side of the installation base (41); an electric guide rail two (44) fixedly installed at the top of the installation base (41); an installation bottom plate (45) fixedly installed at the sliding end of the electric guide rail two (44); and a lifting assembly (46) arranged on the installation box (1).

6. The device for quick fixation of the roll position at roll change according to claim 5, characterized in that, The outer wall of the four groups of electric rollers (42) is provided with a clamping groove, the clamping grooves of the four groups of electric rollers (42) are respectively in rolling contact with the corresponding outer wall of the limiting guide rail (43), and the clamping grooves of the four groups of electric rollers (42) are movably clamped into the corresponding outer wall of the limiting guide rail (43).

7. The device for quick fixation of the roll position during roll change according to claim 6, characterized in that, The lifting assembly (46) comprises a limiting slide rod (462) fixedly installed at the bottom of the mounting box (1), and the outer wall of the limiting slide rod (462) movably penetrates the upper and lower wall surfaces of the mounting bottom plate (45); and a hydraulic rod two (461) fixedly installed at the bottom wall surface of the mounting bottom plate (45).

8. The device for quick fixation of the roll position during roll change according to claim 7, characterized in that, The limiting slide rod (462) and the mounting bottom plate (45) are in sliding connection, the telescopic end of the hydraulic rod two (461) is in sliding connection with the mounting bottom plate (45), and the telescopic end of the hydraulic rod two (461) is fixedly installed at the bottom wall surface of the mounting box (1).