Two-roller type roller coater equipment for continuously producing surface coating of silicon steel in metallurgical cold rolling industry

By adjusting the tilt angle of the roller coating machine and the structure of the coating roller, the problems of coating thickness accuracy and uniformity were solved, achieving low-cost coating control, which is suitable for the production of cold-rolled silicon steel in metallurgy.

CN223669538UActive Publication Date: 2025-12-16SHANGHAI SANYI METALLURGICAL MATERIALS CO LTD +1
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Patent Information

Application Number
CN202423177499.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-12-16
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing roller coating equipment has difficulty controlling the coating thickness accuracy and uniformity on silicon steel sheets during the coating process, and the equipment investment and operating costs are high.

Method used

A two-roller coating machine was designed. By adjusting the tilt angle and contact area of ​​the coating rollers, and using a free roller surface spiral groove structure, combined with a drive cylinder and an angle adjustment motor, the coating thickness and uniformity can be controlled. Side feeding can also meet different needs.

Benefits of technology

It improves coating uniformity and film thickness control, and reduces equipment investment and operating costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses two-roller type roller coater equipment for continuous production of a surface coating of silicon steel in the metallurgical cold rolling industry, which comprises a base, two horizontal rails are laid at the top of the base, and a roller coater body is arranged on the base. According to the utility model, the inclination angle of the strip steel can be adjusted along the sag parabola of the strip steel, and the optimal state is that the radial center line of the coating roller of the roller coater is in 90-degree right-angle line contact with the contact strip steel, so that the contact area of the strip steel and the coating roller is reduced as much as possible, the coating is more uniform, and the coating roller is a free roller; the spiral groove with certain depth and width is engraved on the roller surface, the thickness and uniformity of the coating are controlled by adjusting the depth and width of the engraved groove, the density of the groove, the spiral angle and the pressure between the upper roller and the lower roller, and the device has the advantages of low equipment investment and operation cost.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to metallurgical cold rolling technical field, especially relate to metallurgical cold rolling industry silicon steel continuous production surface coating two roll type roll coater equipment. BACKGROUND

[0002] Silicon steel is the most widely used soft magnetic metal material in the electrical field. In order to improve the efficiency of equipment, save electric energy, thin silicon steel sheets need to be stacked together for use when manufacturing the iron core. Limiting eddy current in each silicon steel sheet requires coating a surface coating with good insulating properties on the surface of the silicon steel sheet to insulate the silicon steel sheets from each other. At the same time, the coating also has properties such as corrosion resistance, oil immersion corrosion resistance and solvent immersion corrosion resistance. Therefore, in the silicon steel production process, the upper and lower surfaces of the silicon steel strip are coated by a roll coater, and the film thickness precision and uniformity of the coating will directly affect the performance of the downstream motor product. The roll coater is the key core process equipment in the silicon steel continuous annealing unit, and the development of a new type of roll coater is becoming increasingly urgent, especially in recent years with the popularization and application of organic environmental protection coating. Therefore, the metallurgical cold rolling industry silicon steel continuous production surface coating two roll type roll coater equipment provided by the utility model has important significance. SUMMARY

[0003] The metallurgical cold rolling industry silicon steel continuous production surface coating two roll type roll coater equipment provided by the utility model can adjust the inclination angle along the sag parabola of the strip steel, the coating roll of the roll coater is in a 90° right angle line contact with the center line of the coating roll and the strip steel, which is the best state, so as to reduce the contact area between the strip steel and the coating roll as much as possible and make the coating more uniform. The coating roll is a free roll, the roll surface is engraved with a spiral groove with a certain depth and width, and the coating thickness and uniformity are controlled by adjusting the groove depth and width, groove density and spiral angle and the roll pressure between the upper and lower rolls, so that the equipment investment and operation cost are low. The upper frame body can be opened to a scissors opening state from the other side by driving the oil cylinder, at this time, the steel strip to be coated can be introduced from the side to between the upper coating roll and the lower coating roll to meet different feeding requirements. The above solves the problems in the background technology.

[0004] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0005] The metallurgical cold rolling industry silicon steel continuous production surface coating two roll type roll coater equipment provided by the utility model comprises a base, two horizontal rails are laid on the top of the base, and a roll coater body is arranged on the base.

[0006] The roller coating machine body comprises a frame, the frame is composed of an upper frame body and a lower frame body, a moving seat is installed at the bottom of the lower frame body, a moving trolley is installed at the bottom of the moving seat, an upper coating assembly and a lower coating assembly are respectively arranged on the upper frame body and the lower frame body, the upper coating assembly comprises a pair of air cylinders and a pair of upper roller frames, the pair of air cylinders are installed at the top of the two sides of the upper frame body, the pair of upper roller frames are respectively installed at the bottom ends of the output shafts of the two air cylinders, and an upper coating roller is installed between the pair of upper roller frames through a bearing seat, and the lower coating assembly comprises a pair of lower roller frames, the pair of lower roller frames are respectively installed at the two sides of the lower frame body, and a lower coating roller is installed between the pair of lower roller frames through a bearing seat.

[0007] Further, one side of the lower frame body and the upper frame body is hingedly connected, and a pair of oil cylinders are installed on the hingedly connected side of the lower frame body, and the output shaft ends of the oil cylinders are installed on the hingedly connected side of the upper frame body.

[0008] Further, a pair of rotating shafts are fixedly connected to the top of the moving seat, the pair of rotating shafts respectively penetrate through the two side walls of the lower frame body, a speed reducer is installed on the moving seat, an angle adjusting motor is installed on the speed reducer, the output end of the angle adjusting motor is connected with the input end of the speed reducer, and the output end of the speed reducer is connected with the lower frame body through a worm and gear structure.

[0009] Further, a material disc and a liquid receiving disc are installed below the lower coating roller, and the material disc and the liquid receiving disc are lifted and lowered along with the lower coating roller through a lead screw elevator.

[0010] Further, the upper coating roller and the lower coating roller are both free rollers, and helical grooves with a certain depth and width are engraved on the roller faces of the free rollers.

[0011] Further, an upper spraying beam assembly and a lower spraying beam assembly are respectively installed on the upper frame body and the lower frame body, and a liquid preparation circulating system is arranged beside the frame.

[0012] The present application has the following beneficial effects compared with the prior art:

[0013] (1) The two-roll type roller coating machine device for the surface coating of the continuous production of silicon steel in the metallurgical cold rolling industry can adjust the inclination angle along the sag parabola of the strip steel during use, the coating roller of the roller coating machine is in the best state of 90° right angle line contact with the radial center line and the strip steel, and the contact area of the strip steel and the coating roller is reduced as much as possible, so that the coating is more uniform.

[0014] (2) The two-roller type roller coater equipment for the surface coating of the silicon steel in the metallurgical cold rolling industry is used, the coating roller is a free roller, the roller surface is engraved with spiral grooves with certain depth and width, the coating thickness and uniformity are controlled by adjusting the groove depth and width, groove density and spiral angle and the roller inter-roller pressure of the upper and lower rollers, and the equipment investment and operation cost are low.

[0015] (3) The two-roller type roller coater equipment for the surface coating of the silicon steel in the metallurgical cold rolling industry is used, the upper frame body is opened in a scissor opening shape from the other side through the driving oil cylinder, at the moment, the steel strip to be coated can be guided from the side into the upper coating roller and the lower coating roller, so that different feeding requirements are met.

[0016] Of course, it is not necessary for any product implementing the present application to simultaneously achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0018] Figure 1 The structure diagram of the two-roller type roller coater equipment for the surface coating of the silicon steel in the metallurgical cold rolling industry of the present application is shown in the figure.

[0019] Figure 2 The structure diagram of the roller coater body in the present application is shown in the figure.

[0020] Figure 3 The front view of the roller coater body in the present application is shown in the figure.

[0021] Figure 4 The angle adjustment diagram of the roller coater body in the present application is shown in the figure.

[0022] In the drawings, the component list represented by each number is as follows:

[0023] 1, base; 2, track; 3, upper frame body; 4, lower frame body; 5, moving seat; 6, air cylinder; 7, upper roller frame; 8, upper coating roller; 9, lower roller frame; 10, lower coating roller; 11, oil cylinder; 12, rotating shaft; 13, speed reducer; 14, angle adjustment motor; 15, tray; 16, liquid receiving disc. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0025] In the description of the present application, it should be understood that the terms "relative", "one end", "internal", "transverse", "end", "two ends", "two sides", "front", "one end surface", "the other end surface" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application.

[0026] Please refer to Figures 1-4 The metallurgical cold rolling industry silicon steel continuous production surface coating two-roll type roll coater equipment of the present application comprises a base 1, two horizontal rails 2 are laid on the top of the base 1, and a roll coater body is arranged on the base 1;

[0027] The roll coater body comprises a rack, which is composed of an upper rack body 3 and a lower rack body 4. A moving seat 5 is installed at the bottom of the lower rack body 4, and a moving trolley is installed at the bottom of the moving seat 5. The roll coater body can be driven to move horizontally and linearly along the base 1 through the rolling action between the moving trolley and the rail 2, so as to move the roll coater body to an offline position or an online working position as needed. An upper coating assembly and a lower coating assembly are respectively arranged on the upper rack body 3 and the lower rack body 4. The upper coating assembly comprises a pair of air cylinders 6 and a pair of upper roller frames 7. The pair of air cylinders 6 are installed on the top of the two sides of the upper rack body 3, and the pair of upper roller frames 7 are respectively installed at the bottom end of the output shaft of the two air cylinders 6. An upper coating roller 8 is installed between the pair of upper roller frames 7 through a bearing seat. The lower coating assembly comprises a pair of lower roller frames 9, which are respectively installed on the two sides of the lower rack body 4. A lower coating roller 10 is installed between the pair of lower roller frames 9 through a bearing seat. The upper roller frame 7 and the upper coating roller 8 can be driven to move up and down together through the driving air cylinder 6, so as to adjust the distance between the upper coating roller 8 and the lower coating roller 10 as needed.

[0028] The lower rack body 4 is hingedly connected to one side of the upper rack body 3, and a pair of oil cylinders 11 are installed on the hingedly connected side of the lower rack body 4. The output shaft end of the oil cylinder 11 is installed on the hingedly connected side of the upper rack body 3. The upper rack body 3 can be opened to a scissor opening shape from the other side through the driving of the oil cylinder 11. At this time, the steel strip to be coated can be introduced from the side into the space between the upper coating roller 8 and the lower coating roller 10, so as to meet different feeding requirements.

[0029] The top of the moving seat 5 is fixedly connected with a pair of rotating shafts 12, the rotating shafts 12 respectively penetrate through the two side walls of the lower frame body 4, a speed reducer 13 is installed on the moving seat 5, an angle adjusting motor 14 is installed on the speed reducer 13, the output end of the angle adjusting motor 14 is connected with the input end of the speed reducer 13, the output end of the speed reducer 13 is connected with the lower frame body 4 through a worm and gear structure, the whole frame can be deflected through the worm and gear structure with the rotating shaft 12 as the tilting fulcrum by driving the angle adjusting motor 14, so that the tilting angle of the roller coating machine body can be adjusted according to the requirement, the frame body can be tilted and swung to 28 degrees to the outlet side, the tilting angle can be adjusted through the design, so that the axial center line of the upper coating roller 8 and the lower coating roller 10 and the steel belt form a vertical included angle, so as to reduce the contact area of the steel belt and the upper coating roller 8 and the lower coating roller 10, thereby greatly improving the uniformity of the coating of the steel belt, and effectively controlling the coating film thickness.

[0030] The lower coating roller 10 is provided below with a material tray 15 and a liquid receiving tray 16, the material tray 15 and the liquid receiving tray 16 are lifted and lowered along with the lower coating roller 10 through a screw lifting machine, and the material tray 15 can be drawn out from the liquid receiving tray 16 along a guide rail.

[0031] The upper coating roller 8 and the lower coating roller 10 are both free rollers, the roller surfaces are engraved with spiral grooves with a certain depth and width, and the coating thickness and uniformity can be controlled by adjusting the groove depth and the roller pressure between the upper coating roller 8 and the lower coating roller 10.

[0032] The upper coating roller 8 and the lower coating roller 10 are both free rollers, the roller surfaces are engraved with spiral grooves with a certain depth and width, and the coating thickness and uniformity can be controlled by adjusting the groove depth and the roller pressure between the upper coating roller 8 and the lower coating roller 10.

[0033] The circuit, electronic components and chip modules involved in the utility model are prior art, and those skilled in the art can realize them without further description, and the content protected by the utility model does not involve improvement of software and methods.

[0034] The standard parts used in the application file can be purchased from the market, all the components in the application file can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional bolt, rivet, welding and other conventional means in the prior art, and the machinery, parts and equipment adopt the conventional type in the prior art.

[0035] The working principle of the utility model is:

[0036] The utility model discloses when using, can be coated steel band of waiting import between upper coating roller 8 and lower coating roller 10, then through the liquid circulating system pipeline with coating liquid is sent to the roller coater body to the even spray of upper spray beam subassembly and lower spray beam subassembly is formed water curtain on upper coating roller 8 and lower coating roller 10, when upper coating roller 8 and lower coating roller 10 contact after steel band, can be coated on the surface of steel band and coat a layer, through drive cylinder 6 can drive upper roller stand 7 together with upper coating roller 8 and move up and down, so that the interval between upper coating roller 8 and lower coating roller 10 is adjusted as required, the roll face of upper coating roller 8 and lower coating roller 10 is engraved with the helical groove of certain depth and width, and the thickness and uniformity of coating can be controlled by adjusting the groove depth and the roll pressure between upper coating roller 8 and lower coating roller 10, and the inclination angle of the roller coater body can be adjusted as required by the deflection of the whole frame with the rotation shaft 12 as the inclined fulcrum through the worm and gear structure of drive angle adjustment motor 14, the frame can be inclined and swung to 28 degrees to the outlet side, and the axial center line of upper coating roller 8 and lower coating roller 10 is perpendicular to the included angle of steel band, so as to reduce the contact area of strip steel and upper coating roller 8, lower coating roller 10, thereby greatly improving the uniformity of strip steel coating, so that the coating film thickness is effectively controlled, and the upper frame body 3 can be opened to the scissors opening shape through drive oil cylinder 11, and the steel band to be coated can be introduced from the side to the upper coating roller 8 and lower coating roller 10 at this time, so as to meet the different feeding requirements.

[0037] The above disclosed preferred embodiments of the utility model are only used to help the description of the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The description selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and use the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A two-roll coater apparatus for continuous production of surface coating of silicon steel in the metallurgical cold rolling industry, characterized in that, It includes base (1), the top of base (1) is paved with two horizontal tracks (2), and the base (1) is provided with roller coating machine body; The roller coating machine body includes a rack, which is composed of an upper rack body (3) and a lower rack body (4), the bottom of the lower rack body (4) is provided with a moving seat (5), the bottom of the moving seat (5) is provided with a moving trolley, the upper rack body (3) and the lower rack body (4) are respectively provided with an upper coating assembly and a lower coating assembly, the upper coating assembly includes a pair of air cylinders (6) and a pair of upper roller frames (7), a pair of air cylinders (6) are installed on both sides of the top of the upper rack body (3), a pair of upper roller frames (7) are respectively installed at the bottom end of the output shaft of the two air cylinders (6), and an upper coating roller (8) is installed between a pair of upper roller frames (7) through a bearing seat, the lower coating assembly includes a pair of lower roller frames (9), a pair of lower roller frames (9) are respectively installed on both sides of the lower rack body (4), and a lower coating roller (10) is installed between a pair of lower roller frames (9) through a bearing seat.

2. A metallurgical cold rolling industry silicon steel continuous production surface coating with two-roll type roll coater apparatus according to claim 1, characterized in that, The lower rack body (4) is hingedly connected to one side of the upper rack body (3), and a pair of oil cylinders (11) are installed on the hingedly connected side of the lower rack body (4), and the output shaft of the oil cylinder (11) is installed on the hingedly connected side of the upper rack body (3).

3. A metallurgical cold rolling industry silicon steel continuous production surface coating with two-roll type roll coater apparatus as claimed in claim 1 wherein, A pair of rotating shafts (12) are fixedly connected to the top of the moving seat (5), a pair of rotating shafts (12) respectively penetrate through the sidewalls of the lower rack body (4), a speed reducer (13) is installed on the moving seat (5), an angle adjusting motor (14) is installed on the speed reducer (13), the output end of the angle adjusting motor (14) is connected with the input end of the speed reducer (13), and the output end of the speed reducer (13) is connected with the lower rack body (4) through a worm and gear structure.

4. A metallurgical cold rolling industry silicon steel continuous production surface coating with two-roll type roll coater apparatus as claimed in claim 1 wherein, A material tray (15) and a liquid receiving tray (16) are installed below the lower coating roller (10), and the material tray (15) and the liquid receiving tray (16) are lifted and lowered along with the lower coating roller (10) through a screw lifter.

5. A metallurgical cold rolling industry silicon steel continuous production surface coating two-roll roll coater apparatus as claimed in claim 1, wherein, The upper coating roller (8) and the lower coating roller (10) are both free rollers, and the roller surface is engraved with spiral grooves of a certain depth and width.

6. A metallurgical cold rolling industry silicon steel continuous production surface coating with two roll type roll coater apparatus as claimed in claim 1 wherein, An upper spraying beam assembly and a lower spraying beam assembly are respectively installed on the upper rack body (3) and the lower rack body (4), and a liquid preparation circulating system is arranged beside the rack.