Off-line cleaning device for working roll of rolling mill

Abstract

The utility model discloses an off-line cleaning device for a working roll of a rolling mill, which belongs to the field of rolling mills, solves the problems of color difference and poor product quality caused by the existing cleaning mode of the working roll of the rolling mill, and comprises a working box, a working roll is arranged in the working box, and a supporting seat and a lifting component are arranged below the working roll. A cleaning assembly is arranged above the working roller, and a detection buffer device is arranged beside the cleaning assembly; a limiting assembly and a driving assembly are arranged on the outer side of the working box. According to the off-line cleaning device for the working roll of the rolling mill, an off-line processing mode for processing the roll surface before the working roll of the rolling mill is on line is adopted, when the screw rod drives the connecting rod to move, the connecting rod drives the second sliding seat to move, the cleaning piece moves at a constant speed, it is guaranteed that cleaning is a continuous and relatively-overlapped cleaning surface, and the cleaning efficiency is improved. Chromatic aberration on the surface of the working roller is prevented and the cleaning effect is good.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of rolling mill, concretely relates to a rolling mill work roll off -line cleaning device. BACKGROUND

[0002] The rolling mill is used for improving product plate surface quality and changing plate surface smoothness, and eliminating certain stress and yield platform, and is used for improving plate shape to a certain extent. The rolling mill work roll is coated with rust-proof oil during storage after being processed in the grinding mill, so as to prevent the roll surface from rusting. However, the dry stains are formed on the roll surface due to the long storage of the grinding fluid or rust-proof oil remaining on the roll surface, and the dry stains are difficult to clean. The first steel coil surface of the rolling mill work roll after being put into use for the first time will cause local color difference defects due to the falling of the dry stains, and the length of the color difference defects is generally more than 500 meters. Therefore, the rolling mill work roll needs to be cleaned to prevent the impurities remaining on the work roll from causing wear of the work roll and affecting the product quality.

[0003] In order to solve the cleaning problem of the rolling mill work roll, a steel strip galvanizing processing rolling mill work roll rapid cleaning device is disclosed in Chinese patent No. 202021820506.4. The impurities adhering to the work roll are rapidly cleaned by the high-pressure water gun arranged on both sides of the work roll. However, this method is used for cleaning the work roll on the original rolling mill rack, and local color difference is formed when the rolling mill work roll is cleaned locally. The periodic color difference defects are formed on the surface of the steel strip due to the rolling force of the rolling mill, and the color difference defects formed on the surface of the automobile panel or the panel of the household appliance are particularly obvious and cannot be handled. The appearance of the product is affected when the product is baked and sprayed or used naked, and the customer satisfaction is poor. CONTENT

[0004] The utility model provides a kind of rolling mill work roll off -line cleaning device, to solve the color difference defect caused by the cleaning mode of the existing rolling mill work roll and the problem of poor product quality.

[0005] The technical scheme of the utility model is as follows: a kind of rolling mill work roll off -line cleaning device, including work tank, work tank is equipped with work roll, work roll below is equipped with support seat and lifting assembly, work roll above is equipped with cleaning assembly, detection buffer device is equipped beside cleaning assembly;Limiting assembly and drive assembly are arranged outside work tank.

[0006] Preferably, through grooves are symmetrically arranged inside the work tank, bearing seats are arranged in the through grooves, the bearing seat includes a placing seat, a bearing groove is arranged in the placing seat, and an installation plate is connected to the bottom of the bearing seat.

[0007] Preferably, the lifting assembly comprises a support plate arranged in parallel at the bottom of the working box, a bidirectional screw arranged above the support plate in parallel, the bidirectional screw being rotationally connected with the inner wall of the working box, a first sliding seat being symmetrically arranged on the bidirectional screw, the bottom of the first sliding seat being slidingly connected with the support plate, the top of the first sliding seat being hingedly connected with one end of a hinged rod, the other end of the hinged rod being hingedly connected with the mounting plate, and one end of the bidirectional screw penetrating through the working box and being sleeved with a rotating disc at the end.

[0008] Preferably, the limiting assembly comprises a first insertion rod arranged in parallel, one end of the first insertion rod penetrating through the rotating disc, the other end of the first insertion rod being perpendicularly connected with a connecting plate, the bottom of the connecting plate being perpendicularly connected with a second insertion rod, and the free end of the second insertion rod being inserted into the working box.

[0009] Preferably, the working roller is provided with bearings on both sides, the bearings are arranged in bearing grooves, the two ends of the working roller penetrate through the working box and are respectively sleeved with a second gear and a fourth gear at the ends, and the end of the working roller on the same side as the limiting assembly is connected with a driving assembly.

[0010] Preferably, the driving assembly comprises a motor base arranged outside the working box, the bottom of the motor base being connected with a motor, the output end of the motor being connected with a third gear, and the third gear being engaged with the fourth gear.

[0011] Preferably, the cleaning assembly comprises a screw rotationally connected in the working box, the end of the screw away from the driving assembly penetrating through the working box and being connected with a first gear at the end, the first gear being engaged with the second gear, the cleaning assembly further comprising a second sliding seat slidingly connected to the top of the inner side of the working box, the bottom of the second sliding seat being connected with a connecting rod, the connecting rod being threadedly connected with the screw, the bottom of the connecting rod being connected with a cleaning piece, and the cleaning piece being abutted with the outer wall of the working roller.

[0012] Preferably, the detection and buffering device comprises a buffering device, a limiting sensor and a rubber buffering rod, one side of the second sliding seat being connected with the rubber buffering rod, the limiting sensor being mounted above the rubber buffering rod, and the buffering device being fixedly connected with the inner wall of the working box.

[0013] Preferably, the first gear, the second gear, the third gear and the fourth gear are all cylindrical straight gears.

[0014] Compared with the prior art, the rolling mill working roller offline cleaning device has the following beneficial effects:

[0015] 1. The rolling mill working roller offline cleaning device is an offline treatment mode for treating the roller surface before the rolling mill working roller is put on line, when the screw drives the connecting rod to move, the connecting rod drives the second sliding seat to move, the cleaning piece moves at a uniform speed, the cleaning is continuous and relatively overlapped, color difference is prevented on the surface of the working roller, and the cleaning effect is good.

[0016] 2. The rolling mill work roll offline cleaning device provided by the utility model, the cleaning assembly detects the position of the cleaning assembly through the installation of the limiting sensor above the rubber buffer rod in the process of cleaning the work roll, stops in time when the cleaning assembly is detected, and the purpose of cleaning the work roll through the reciprocating motion of controlling the motor forward and reverse rotation is achieved, the first gear is separated from the second gear by rotating the turntable after cleaning, the cleaning assembly is reset, the overall operation is convenient, and the practicality is strong. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is an internal structure schematic view of the rolling mill work roll offline cleaning device of the utility model;

[0018] Figure 2 It is a bearing seat structure schematic view of the utility model;

[0019] Figure 3 It is a limiting assembly structure schematic view of the utility model;

[0020] Figure 4 It is a detection buffer device structure schematic view of the utility model.

[0021] In the figure: 1 - work box; 2 - through slot; 3 - bearing seat; 301 - placing seat; 302 - bearing groove; 303 - mounting plate; 4 - lifting mechanism; 401 - support plate; 402 - bidirectional screw rod; 403 - first sliding seat; 404 - hinged rod; 405 - turntable; 406 - limiting assembly; 5 - driving assembly; 501 - motor base; 502 - motor; 503 - third gear; 504 - fourth gear; 6 - screw rod; 7 - second gear; 8 - first gear; 9 - cleaning assembly; 901 - second sliding seat; 902 - connecting rod; 903 - cleaning piece; 10 - detection buffer device; 101 - buffer device; 102 - limiting sensor; 103 - rubber buffer rod; 11 - first plug rod; 12 - connecting plate; 13 - second plug rod; 14 - work roll. DETAILED DESCRIPTION

[0022] The utility model will be further described in connection with the drawings and specific embodiments:

[0023] As Figures 1-4 shown, the utility model is a kind of rolling mill work roll offline cleaning device, including work box 1, work roll 14 is equipped in work box 1, support seat 3 and lifting assembly 4 are equipped in the lower of work roll 14, cleaning assembly 9 is equipped in the upper of work roll 14, detection buffer device 10 is equipped in the side of cleaning assembly 9;Limiting assembly 406 and driving assembly 5 are equipped in the outside of work box 1;

[0024] The work box 1 is internally provided with a through groove 2 symmetrically arranged on both sides, a bearing seat 3 is arranged in the through groove 2, the bearing seat 3 comprises a placing seat 301, a bearing groove 302 is arranged in the placing seat 301, and a mounting plate 303 is connected to the bottom of the bearing seat 3;

[0025] The lifting assembly 4 comprises a support plate 401 arranged in parallel at the bottom of the work box 1, a bidirectional screw 402 is arranged above the support plate 401 in parallel, the bidirectional screw 402 is rotationally connected to the inner wall of the work box 1, a first sliding seat 403 is symmetrically arranged on the bidirectional screw 402, the bottom of the first sliding seat 403 is slidingly connected to the support plate 401, one end of a hinged rod 404 is hingedly connected to the top of the first sliding seat 403, and the other end of the hinged rod 404 is hingedly connected to the mounting plate 303; one end of the bidirectional screw 402 penetrates through the work box 1, and a rotating disc 405 is arranged at the end portion in a sleeved manner;

[0026] The limiting assembly 406 comprises a first insertion rod 11 arranged in parallel, one end of the first insertion rod 11 penetrates through the rotating disc 405, the other end of the first insertion rod 11 is vertically connected with a connecting plate 12, the bottom of the connecting plate 12 is vertically connected with a second insertion rod 13, and the free end of the second insertion rod 13 is inserted into the work box 1;

[0027] The work roller 14 is provided with bearings on both sides, the bearings are arranged in the bearing grooves 302, the work roller 14 penetrates through the work box 1 at both ends and is respectively sleeved with a second gear 7 and a fourth gear 504 at the end portions, and the end portion of the work roller 14 on the same side as the limiting assembly 406 is connected with a driving assembly 5.

[0028] The driving assembly 5 comprises a motor base 501 arranged on the outer side of the work box 1, a motor 502 is connected to the bottom of the motor base 501, a third gear 503 is connected to the output end of the motor 502, and the third gear 503 is engaged with the fourth gear 504;

[0029] The cleaning assembly 9 comprises a screw rod 6 rotationally connected in the work box 1, one end of the screw rod 6 away from the driving assembly 5 penetrates through the work box 1 and is connected with a first gear 8 at the end portion, the first gear 8 is engaged with the second gear 7; the cleaning assembly 9 further comprises a second sliding seat 901 slidingly connected to the top of the inner side of the work box 1, a connecting rod 902 is connected to the bottom of the second sliding seat 901, the connecting rod 902 is threadedly connected with the screw rod 6, a cleaning piece 903 is connected to the bottom of the connecting rod 902, and the cleaning piece 903 abuts against the outer wall of the work roller 14;

[0030] The detection buffer device 10 comprises a buffer device 101, a limiting sensor 102 and a rubber buffer rod 103, one side of the second sliding seat 901 is connected with the rubber buffer rod 103, the limiting sensor 102 is arranged above the rubber buffer rod 103, the buffer device 101 is fixedly connected to the inner wall of the work box 1, and the first gear 8, the second gear 7, the third gear 503 and the fourth gear 504 are all cylindrical straight gears.

[0031] When the work roll 14 is cleaned, the work roll 14 is first mounted on the bearing and placed in the bearing groove 302 of the bearing seat 3, then the position of the bearing seat 3 is adjusted by the lifting assembly 4, the bearing seat 3 slides upward along the through groove 2 until the work roll 14 drives the second gear 7 to be connected with the first gear 8, then the work roll 14 is driven to rotate by the driving assembly 5, the work roll 14 drives the second gear 7 to rotate, the second gear 7 drives the first gear 8 to rotate, the first gear 8 drives the screw 6 to rotate, the screw 6 drives the cleaning assembly 9 to move from left to right on the outer periphery of the work roll 14, the work roll 14 is self-transmitted, the cleaning assembly 9 reciprocates linearly to clean the work roll 14, the cleaning effect is good, the position of the cleaning assembly 9 is detected by the limiting sensor 102 installed above the rubber buffer rod 103 during the cleaning process of the work roll 14, the cleaning assembly 9 is stopped in time when it is detected, the cleaning purpose of reciprocating motion is achieved by controlling the motor 502 to reverse, after cleaning is completed, the disc 405 is rotated, the lifting assembly 4 is lowered, the first gear 8 is separated from the second gear 7, the cleaning assembly 9 is reset, and the work roll 14 is removed.

Claims

1. An off-line cleaning device for work rolls of a rolling mill, characterized in that: The utility model provides a workbox (1), workbox (1) inside is equipped with work roll (14), work roll (14) below is equipped with bearing seat (3) and lifting assembly (4), work roll (14) top is equipped with cleaning assembly (9), and cleaning assembly (9) is equipped with detection buffer device (10) side, workbox (1) outside is equipped with limiting component (406) and drive assembly (5).

2. A device for off-line cleaning of work rolls of a rolling mill according to claim 1, characterized in that: The utility model discloses a workbox (1), workbox (1) inside is equipped with work roll (14), work roll (14) below is equipped with bearing seat (3) and lifting assembly (4), work roll (14) top is equipped with cleaning assembly (9), and cleaning assembly (9) is equipped with detection buffer device (10) side, workbox (1) outside is equipped with limiting component (406) and drive assembly (5).

3. A device for off-line cleaning of work rolls of a rolling mill according to claim 2, characterized in that: The lifting assembly (4) includes the support plate (401) that is arranged in parallel at the bottom of the workbox (1), the bidirectional screw rod (402) is arranged in parallel above the support plate (401), the bidirectional screw rod (402) is rotatably connected with the inner wall of the workbox (1), the first sliding seat (403) is symmetrically arranged on the bidirectional screw rod (402), the first sliding seat (403) is slidably connected with the support plate (401), the first sliding seat (403) is hingedly connected with one end of the hinge rod (404), the other end of the hinge rod (404) is hingedly connected with the mounting plate (303), one end of the bidirectional screw rod (402) penetrates the workbox (1), and the rotary disc (405) is arranged at the end.

4. A device for off-line cleaning of a work roll of a rolling mill according to claim 3, characterized in that: The limiting component (406) includes the first plug rod (11) arranged in parallel, one end of the first plug rod (11) penetrates the rotary disc (405), the other end of the first plug rod (11) is connected with the connecting plate (12) perpendicularly, the second plug rod (13) is connected with the connecting plate (12) perpendicularly at the bottom, and the free end of the second plug rod (13) is inserted into the workbox (1).

5. A device for off-line cleaning of a work roll of a rolling mill according to claim 4, characterized in that: The work roll (14) is provided with bearings on both sides, the bearings are arranged in the bearing groove (302), and the work roll (14) penetrates the workbox (1) at both ends and is respectively sleeved with the second gear (7) and the fourth gear (504) at the ends.

6. A device for off-line cleaning of a work roll of a rolling mill according to claim 5, characterized in that: The drive assembly (5) includes the motor seat (501) arranged outside the workbox (1), the motor (502) is connected with the third gear (503) at the output end, and the third gear (503) is engaged with the fourth gear (504).

7. A device for off-line cleaning of a work roll of a rolling mill according to claim 6, characterized in that: The cleaning assembly (9) includes the screw rod (6) rotatably connected in the workbox (1), one end of the screw rod (6) penetrates the workbox (1) and is connected with the first gear (8) at the end, the first gear (8) is engaged with the second gear (7), the cleaning assembly (9) further includes the second sliding seat (901) slidably connected to the top of the inner side of the workbox (1), the connecting rod (902) is connected with the screw rod (6) in a threaded manner, the cleaning piece (903) is connected with the work roll (14) outer wall abutment.

8. A work roll off-line cleaning device for a rolling mill according to claim 7, characterized in that: The detection buffer device (10) comprises a buffer device (101), a limit sensor (102) and a rubber buffer rod (103), one side of the second sliding seat (901) is connected with the rubber buffer rod (103), the upper portion of the rubber buffer rod (103) is provided with the limit sensor (102), and the buffer device (101) is fixedly connected with the inner wall of the working tank (1).

9. A device for off-line cleaning of a work roll of a rolling mill according to claim 8, characterized in that: The first gear (8), the second gear (7), the third gear (503) and the fourth gear (504) are all cylindrical straight gears.

Images