CN112221832B - Cooperative roller coater and coating method - Google Patents
Cooperative roller coater and coating method Download PDFInfo
- Publication number
- CN112221832B CN112221832B CN202011061157.7A CN202011061157A CN112221832B CN 112221832 B CN112221832 B CN 112221832B CN 202011061157 A CN202011061157 A CN 202011061157A CN 112221832 B CN112221832 B CN 112221832B
- Authority
- CN
- China
- Prior art keywords
- coating
- strip steel
- liquid
- roller
- devices
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/12—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being fed round the roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0813—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/086—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line a pool of coating material being formed between a roller, e.g. a dosing roller and an element cooperating therewith
- B05C1/0865—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line a pool of coating material being formed between a roller, e.g. a dosing roller and an element cooperating therewith the cooperating element being a roller, e.g. a coating roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work
Landscapes
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to a cooperative roller coater, which is designed aiming at the structural improvement of the existing roller coater, wherein a liquid storage container (5) is additionally arranged aiming at liquid tanks (2) at two sides of a strip steel (1), an electric control telescopic rod (6) and a hydraulic device (7) are added, and the flow of passivation liquid between the liquid tanks (2) and the liquid storage container (5) is realized by controlling the hydraulic device (7) to enter and exit the liquid storage container (5), so that the contact or the separation of the material picking roller (3) on the passivation liquid is obtained, and the overflow of the passivation liquid can be effectively avoided when the two coating rollers (4) perform far away or close actions to the welding line of the strip steel (1), namely, the high-efficiency coating of the strip steel is obtained, and the working efficiency of the coating of the strip steel is ensured; in addition, the invention further designs a coating method, based on the improved roller coater, the position adjustment of the passivation solution is realized by synchronous control of devices on two sides of the strip steel (1), and the working efficiency of strip steel coating is further ensured.
Description
Technical Field
The invention relates to a cooperative roller coater and a coating method, belonging to the technical field of strip steel coating manufacturing.
Background
In the post-treatment of a galvanizing workshop in a cold rolling plant, when a strip steel welding seam passes through, the roller coater equipment can control the two coating rollers to be opened and closed, and under the action, passivation liquid in a passivation liquid tank easily splashes to cause a large amount of passivation liquid to adhere to the surface of a steering roller of the roller coater, so that on one hand, the surface of the strip steel is coated for the second time, and the thickness of a formed local coating is increased; on the other hand, the passivation solution forms colloidal nodules on the surface of the roller, so that pit defects on the surface of the steel plate are caused; moreover, when the running speed of the strip steel is higher than 110m/min, the coating roller and the material carrying roller rotate in the surging passivation solution in the opening and closing process of the roller coater, the material carrying amount of the material carrying roller is suddenly increased, the local coating thickness is influenced, the passivation solution is easy to splash, and the passivation solution splashes to the plate surface to generate passivation spot strip defects; these three problems have currently severely affected product quality and finished product yield.
Disclosure of Invention
The invention aims to solve the technical problem of providing a cooperative roller coater, which adopts an improved structural design, can effectively avoid the overflow of passivation solution while obtaining the high-efficiency coating of strip steel, and ensures the working efficiency of strip steel coating.
The invention adopts the following technical scheme for solving the technical problems: the invention designs a cooperative roller coater for realizing coating operation on the surface of strip steel, wherein the roller coater comprises a roller coater controller and two groups of coating devices with the same structure, each group of coating devices respectively comprises a material liquid tank, a material picking roller and a coating roller, and the structure of each group of coating devices comprises: the length of the material picking roller is equal to that of the coating roller, and the length is greater than the width of the strip steel; the material picking roller and the coating roller are in horizontal postures, the material picking roller and the coating roller are parallel to each other and are in contact with each other on the outer wall, the lowest position of the outer wall of the material picking roller is placed in the material liquid groove, and the passivation liquid in the material liquid groove is picked up by the outer wall of the material picking roller and is transferred to the outer wall of the coating roller; the strip steel is in a vertical moving state, the two groups of coating devices are respectively arranged on two sides of the strip steel, the corresponding devices between the two groups of coating devices are positioned at the same height, the straight line of the moving direction of the strip steel is vertical to the straight line of the coating rollers, the coating rollers in the two groups of coating devices clamp two sides of the strip steel, and coat the two sides of the strip steel along with the movement of the strip steel; the roller coating controller is used for controlling the two coating rollers to approach or move away from each other;
the method is characterized in that: the coating device comprises a control module, a liquid storage container, an electric control telescopic rod and a hydraulic device, wherein each group of coating devices respectively comprise the liquid storage container, the electric control telescopic rod and the hydraulic device;
in each group of coating device structures: the top of the liquid storage container is open, the bottom of the liquid feed tank is provided with a through hole with the caliber matched with the caliber of the open opening at the top of the liquid storage container, the liquid storage container is positioned below the liquid feed tank, the periphery of the open opening at the top of the liquid storage container is fixedly connected with the periphery of the through hole at the bottom of the liquid feed tank, the interior of the liquid pressing device is of a hollow structure, a motor on the electric control telescopic rod is fixedly arranged right above the open opening at the top of the liquid storage container, the front end of the telescopic rod on the electric control telescopic rod is vertically and downwards fixedly connected with the outer wall of the liquid pressing device, the outer diameter of the liquid pressing device is matched with the inner diameter of the liquid storage container, the liquid pressing device moves up and down along with the control of the electric control of the telescopic rod, the liquid pressing device moves out of the liquid storage container or moves into the liquid storage container from the open opening at the top of the liquid storage container, and the passivation liquid in the liquid collecting roller does not contact with the passivation liquid and moves into the liquid storage container based on the pressing device, the passivation liquid in the liquid storage container flows into the liquid tank and submerges the lowest position of the outer wall of the material picking roller;
the control module is connected with the roller coating controller for communication; the motors of the electric control telescopic rods in the two groups of coating devices are respectively connected with the control module, and the two electric control telescopic rods work synchronously under the control of the control module, so that the hydraulic devices in the two groups of coating devices move upwards synchronously or downwards synchronously.
As a preferred technical scheme of the invention: the device also comprises a front end detection device, wherein the front end detection device comprises two rolling shafts and two groups of side detection devices; the length of the two rollers is greater than the width of the strip steel, the two rollers are arranged on the two sides of the strip steel in a horizontal posture, at the same height and in parallel, the two ends of the two rollers protrude out of the side edges of the strip steel, and the two rollers are positioned in the moving path of the strip steel and at the upstream positions of the two coating rollers; the two groups of side detection devices correspond to two ends of the two rollers at the same side respectively, the structures of the side detection devices are the same, each group of side detection devices respectively comprises a relay rod and two electronic tension meters, two ends of the relay rod are respectively butted with one end of each electronic tension meter, the other end of each electronic tension meter is respectively butted with two corresponding ends of the two rollers, and a straight line where the relay rod is located is collinear with a straight line where each electronic tension meter is located;
the relay rod in each group of side detection devices is fixedly arranged, based on the connection of the two groups of side detection devices to the two ends of the same side of the two rolling shafts, the outer walls of the two rolling shafts clamp the two sides of the strip steel, and each electronic tension meter in each group of side detection devices is connected with the control module respectively, so that the uploading of tension data is realized.
As a preferred technical scheme of the invention: each group of side detection devices respectively comprises two connecting rods (11), and the relay rods in each group of side detection devices are fixedly butted on the two material liquid tanks through the corresponding two connecting rods (11), so that the position fixing arrangement of the relay rods in each group of side detection devices is realized.
As a preferred technical scheme of the invention: the hydraulic device is a hollow sphere.
In view of the above, the technical problem to be solved by the present invention is to provide a coating method for a collaborative roller coater, based on an improved roller coater, by synchronously controlling devices on two sides of a strip steel, the adjustment of a passivation solution is realized, the high-efficiency coating of the strip steel is obtained, meanwhile, the overflow of the passivation solution can be effectively avoided, and the working efficiency of the strip steel coating is ensured.
The invention adopts the following technical scheme for solving the technical problems: the invention designs a coating method for a cooperative roller coater, wherein an initialization control module controls two hydraulic devices to synchronously move into corresponding liquid storage containers through two electric control telescopic rods, so that passivation liquid in each liquid storage container respectively flows into corresponding material liquid tanks and submerges the lowest positions of the outer walls of corresponding material picking rollers, and the following steps are executed based on that strip steel moves in the vertical direction under the clamping action of two coating rollers:
step A, detecting and judging whether a welding seam on the strip steel is about to pass through coating rollers of two groups of coating devices or not, and if so, entering the step B; otherwise, continuing to execute the detection of the step A;
b, the control module controls the two hydraulic devices to synchronously move out of the corresponding liquid storage containers through the two electric control telescopic rods, passivation liquid in the material liquid groove flows into the liquid storage containers, the outer walls of the material picking rollers are not in contact with the passivation liquid, and then the step C is carried out;
step C, controlling the two coating rollers to be away from each other by the roller coating controller and not to be in contact with the two sides of the strip steel, and entering the step D after the welding seam on the strip steel passes through the coating rollers of the two groups of coating devices;
d, controlling the two coating rollers to approach each other by a roller coating controller, respectively contacting with the two sides of the strip steel, and then entering the step E;
and E, controlling the two hydraulic devices to synchronously move into the corresponding liquid storage containers by the control module through the two electric control telescopic rods, enabling the passivation liquid in the liquid storage containers to flow into the material liquid groove and submerge the lowest position of the outer wall of the material picking roller, picking up the passivation liquid in the material liquid groove by the outer wall of the material picking roller, transferring the passivation liquid to the outer wall of the coating roller, coating the two sides of the strip steel, and returning to the step A.
As a preferred technical scheme of the invention: the step A comprises the following steps A1 to A2;
a1, respectively detecting each electronic tension meter in each group of side detection devices in real time to obtain tension detection results, uploading the tension detection results to a control module in real time, and then entering the step A2;
a2, the control module judges whether the received tension detection results respectively change, if so, the control module judges that the welding seam on the strip steel is about to pass through the coating rollers of the two groups of coating devices, and the step B is entered; otherwise, the step A1 is executed.
As a preferred technical scheme of the invention: and in the step C, the two coating rollers are controlled to be away from each other by the roller coating controller, the two coating rollers are not in contact with the two sides of the strip steel, and after the time length of the welding line on the strip steel passing through the coating rollers is delayed and met, the step D is carried out.
Compared with the prior art, the cooperative roller coater and the coating method have the following technical effects:
the design of the cooperative roller coater is improved aiming at the existing roller coater, a liquid storage container is additionally arranged aiming at material liquid tanks on two sides of strip steel, an electric control telescopic rod and a hydraulic device are added, the flow of passivation liquid between the material liquid tanks and the liquid storage container is realized by controlling the hydraulic device to enter and exit the liquid storage container, and then the contact or the separation of the material picking rollers on the passivation liquid is obtained, the overflow of the passivation liquid can be effectively avoided when the two coating rollers perform the action of moving away or approaching the strip steel welding line, namely, the working efficiency of strip steel coating is ensured while the strip steel is efficiently coated; in addition, the invention further designs a coating method, based on the improved roller coater, the position adjustment of the passivation solution is realized by synchronous control of devices on two sides of the strip steel, and the working efficiency of strip steel coating is further ensured.
Drawings
FIG. 1 is a schematic structural diagram of a cooperative roll coater designed according to the present invention.
The device comprises a strip steel 1, a material liquid groove 2, a material picking roller 3, a coating roller 4, a liquid storage container 5, an electric control telescopic rod 6, a hydraulic device 7, a rolling shaft 8, a relay rod 9, an electronic tension meter 10 and a connecting rod 11.
Detailed Description
The following description will explain embodiments of the present invention in further detail with reference to the accompanying drawings.
The invention designs a cooperative roller coater for realizing the coating operation on the surface of a strip steel 1, and in practical application, as shown in figure 1, the designed roller coater comprises a control module, a roller coater controller and two groups of coating devices with the same structure.
Each group of coating devices respectively comprises a material liquid groove 2, a material picking roller 3, a coating roller 4, a liquid storage container 5, an electric control telescopic rod 6 and a hydraulic device 7, and in each group of coating device structures: the length of the pick-up roller 3 is equal to that of the coating roller 4, and the length is greater than the width of the strip steel 1; the material picking roller 3 and the coating roller 4 are both in a horizontal posture, the material picking roller 3 and the coating roller 4 are parallel to each other and are in contact with each other on the outer wall, the lowest position of the outer wall of the material picking roller 3 is placed in the material liquid groove 2, and the passivation liquid in the material liquid groove 2 is picked up by the outer wall of the material picking roller 3 and is transferred to the outer wall of the coating roller 4; the strip steel 1 is in a vertical moving state, the two groups of coating devices are respectively arranged at two sides of the strip steel 1, the corresponding devices between the two groups of coating devices are positioned at the same height, the straight line of the moving direction of the strip steel 1 is vertical to the straight line of the coating rollers 4, the coating rollers 4 in the two groups of coating devices clamp two sides of the strip steel 1, and coat the two sides of the strip steel 1 along with the movement of the strip steel 1; the roll coating controller is used to control the two coating rolls 4 to approach or move away from each other.
In each group of coating device structures: the top of a liquid storage container 5 is open, the bottom of a liquid tank 2 is provided with a through hole with the caliber matched with the caliber of the open opening at the top of the liquid storage container 5, the liquid storage container 5 is positioned below the liquid tank 2, one circle of the edge of the open opening at the top of the liquid storage container 5 is fixedly butted one circle of the edge of the through hole at the bottom of the liquid tank 2, the interior of a hydraulic device 7 is of a hollow structure, a motor on an electric control telescopic rod 6 is fixedly arranged right above the open opening at the top of the liquid storage container 5, the front end of a telescopic rod on the electric control telescopic rod 6 is vertically and downwards fixedly connected with the outer wall of the hydraulic device 7, the outer diameter of the hydraulic device 7 is matched with the inner diameter of the liquid storage container 5, the hydraulic device 7 moves up and down along with the control of the electric control telescopic rod 6 on the telescopic rod, the liquid storage container 5 is moved out of the liquid storage container 5 or into the liquid storage container 5 through the open opening at the top of the liquid storage container 5, and passivation liquid in the liquid tank 2 flows into the liquid storage container 5 based on the hydraulic device 7 moving out of the liquid storage container, the outer wall of the picking roller 3 is not contacted with the passivation liquid, and the passivation liquid in the liquid storage container 5 flows into the liquid tank 2 and submerges the lowest position of the outer wall of the picking roller 3 based on the hydraulic device 7 moving into the liquid storage container 5, and in the practical application, the hydraulic device 7 is specifically designed to be a hollow sphere.
The control module is connected with the roller coating controller for communication; the motors of the electric control telescopic rods 6 in the two groups of coating devices are respectively connected with the control module, and the two electric control telescopic rods 6 work synchronously under the control of the control module, so that the hydraulic devices 7 in the two groups of coating devices move upwards synchronously or downwards synchronously.
In practical application, the invention further designs an optimal detection scheme aiming at the structure, namely, the detection is automatically carried out aiming at the welding seam of the strip steel, the control module is linked with the roller coating controller to realize intelligent coating operation, and a front end detection device is structurally designed and added and comprises two rolling shafts 8 and two groups of side detection devices; the length of the two rollers 8 is larger than the width of the strip steel 1, the two rollers 8 are arranged on two sides of the strip steel 1 in a horizontal posture, at the same height and in parallel, two ends of the two rollers 8 protrude out of the side edge of the strip steel 1, and the two rollers 8 are positioned in the moving path of the strip steel 1 and at the upstream positions of the two coating rollers 4; two groups of side detection devices respectively correspond to two ends of the same side of the two rolling shafts 8, the structures of the side detection devices are the same, each group of side detection devices respectively comprises a relay rod 9 and two electronic tension meters 10, two ends of the relay rod 9 are respectively butted with one end of each electronic tension meter 10, the other end of each electronic tension meter 10 is respectively butted with two corresponding ends of the two rolling shafts 8, and the straight line where the relay rod 9 is located is collinear with the straight line where each electronic tension meter 10 is located.
The relay rods 9 in each group of side detection devices are fixedly arranged, based on the connection of the two groups of side detection devices respectively aiming at the two ends of the two rollers 8 at the same side, the outer walls of the two rollers 8 clamp the two surfaces of the strip steel 1, and each electronic tension meter 10 in each group of side detection devices is respectively connected with a control module, so that the uploading of tension data is realized.
In practical application, two connecting rods 11 are further added to each group of side detection devices, and the relay rods 9 in each group of side detection devices are fixedly butted on the two feed liquid tanks 2 through the corresponding two connecting rods 11, so that the position fixing arrangement of the relay rods 9 in each group of side detection devices is realized.
The designed cooperative roller coater is applied to the practice, mainly corresponding to the welding seam on the surface of the strip steel 1, namely in the moving process of the strip steel 1, when the welding seam on the surface of the strip steel 1 passes through the two coating rollers 4, the two coating rollers 4 need to be separated from each other and then approach to each other, and the two sides of the strip steel 1 are clamped, so that in the practical application, firstly, an initialization control module controls the two hydraulic devices 7 to synchronously move into the corresponding liquid storage containers 5 through the two electric control telescopic rods 6, and passivation liquid in each liquid storage container 5 respectively flows into the corresponding material liquid tank 2 and is respectively submerged at the lowest position of the outer wall of the corresponding material picking roller 3, namely, the passivation liquid in the material liquid tank 2 is picked by the outer walls of the two material picking rollers 3 and is transferred to the outer walls of the coating rollers 4; the following steps a to E are carried out continuously during the coating of both sides of the strip 1 as the strip 1 moves.
Step A, detecting and judging whether a welding seam on the strip steel 1 is about to pass through coating rollers 4 of two groups of coating devices, if so, entering step B; otherwise, the detection of the step A is continuously executed.
In practical applications, the step a is executed as the following step a1 to step a2.
Step A1, each electronic tension meter 10 in each group of side detection devices respectively performs real-time detection to obtain a tension detection result, and uploads the tension detection result to the control module in real time, and then the step A2 is performed.
A2, the control module judges whether the received tension detection results respectively change, if so, the control module judges that the welding seam on the strip steel 1 is about to pass through the coating rollers 4 of the two groups of coating devices, and the step B is entered; otherwise, the step A1 is executed.
That is, when the two rollers 8 meet the weld seam on the surface of the strip steel 1, the distance between the two rollers 8 changes, that is, there is a change in the tension detection result detected by each electronic tension meter 10, and since the two rollers 8 are located at the upstream positions of the two coating rollers 4 in the moving path of the strip steel 1, it is determined that the weld seam on the strip steel 1 is about to pass through the coating rollers 4 of the two coating devices, and then the subsequent operation is performed.
And step B, the control module controls the two hydraulic devices 7 to synchronously move out of the corresponding liquid storage container 5 through the two electric control telescopic rods 6, the passivation liquid in the material liquid tank 2 flows into the liquid storage container 5, the outer wall of the material picking roller 3 is not contacted with the passivation liquid, and then the step C is carried out.
And C, controlling the two coating rollers 4 to be away from each other by the roller coating controller and not to be in contact with the two sides of the strip steel 1, and after the welding seam on the strip steel 1 passes through the coating rollers 4 of the two groups of coating devices, in practical application, for example, the design delay meets the time length of the welding seam on the strip steel 1 passing through the coating rollers 4, and then entering the step D.
I.e. the displacement action between the two coating rollers 4, does not cause the overflow of the passivating liquid.
And D, controlling the two coating rollers 4 to approach each other by the roller coating controller and respectively contact with the two sides of the strip steel 1, and then entering the step E.
And E, controlling the two hydraulic devices 7 to synchronously move into the corresponding liquid storage containers 5 by the control module through the two electric control telescopic rods 6, enabling the passivation liquid in the liquid storage containers 5 to flow into the material liquid groove 2 and submerge the lowest position of the outer wall of the material picking roller 3, picking up the passivation liquid in the material liquid groove 2 by the outer wall of the material picking roller 3, transferring the passivation liquid to the outer wall of the coating roller 4, coating the two sides of the strip steel 1, and returning to the step A.
The design of the cooperative roller coater in the technical scheme is improved and designed aiming at the existing roller coater, a liquid storage container 5 is additionally arranged aiming at the material liquid tanks 2 at two sides of the strip steel 1, an electric control telescopic rod 6 and a hydraulic device 7 are added, the flow of passivation liquid between the material liquid tanks 2 and the liquid storage container 5 is realized by controlling the hydraulic device 7 to enter and exit the liquid storage container 5, and then the contact or the separation of the material picking roller 3 to the passivation liquid is obtained, so that the passivation liquid can be effectively prevented from overflowing when the two coating rollers 4 perform the action of moving away or approaching the welding line of the strip steel 1, namely, the working efficiency of strip steel coating is ensured while the high-efficiency coating of the strip steel is obtained; in addition, the invention further designs a coating method, based on the improved roller coater, the position adjustment of the passivation solution is realized by synchronous control of devices on two sides of the strip steel 1, and the working efficiency of strip steel coating is further ensured.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. A cooperative roll coater is used for realizing coating operation on the surface of a strip steel (1), wherein the roll coater comprises a roll coater controller and two groups of coating devices with the same structure, each group of coating devices respectively comprises a material liquid tank (2), a material picking roller (3) and a coating roller (4), and in the structure of each group of coating devices: the length of the material picking roller (3) is equal to that of the coating roller (4), and the length is greater than the width of the strip steel (1); the material picking roller (3) and the coating roller (4) are in horizontal postures, the material picking roller (3) and the coating roller (4) are parallel to each other and are in contact with each other on the outer walls, the lowest position of the outer wall of the material picking roller (3) is arranged in the material liquid groove (2), and the passivation liquid in the material liquid groove (2) is picked up by the outer wall of the material picking roller (3) and is transferred to the outer wall of the coating roller (4); the strip steel (1) is in a vertical moving state, the two groups of coating devices are respectively arranged on two sides of the strip steel (1), the corresponding devices between the two groups of coating devices are positioned at the same height, the straight line of the moving direction of the strip steel (1) is vertical to the straight line of the coating rollers (4), the coating rollers (4) in the two groups of coating devices clamp two surfaces of the strip steel (1) and coat the two surfaces of the strip steel (1) along with the movement of the strip steel (1); the roller coating controller is used for controlling the two coating rollers (4) to approach or move away from each other;
the method is characterized in that: the coating device comprises a control module, and each group of coating devices respectively comprises a liquid storage container (5), an electric control telescopic rod (6) and a hydraulic device (7);
in each group of coating device structures: the top of a liquid storage container (5) is open, the bottom of a liquid tank (2) is provided with a through hole with the caliber matched with the caliber of the open mouth at the top of the liquid storage container (5), the liquid storage container (5) is positioned below the liquid tank (2), one circle of the edge of the open mouth at the top of the liquid storage container (5) is fixedly connected with one circle of the edge of the through hole at the bottom of the liquid tank (2), the interior of a hydraulic device (7) is of a hollow structure, a motor on an electric control telescopic rod (6) is fixedly arranged right above the open mouth at the top of the liquid storage container (5), the front end of the telescopic rod on the electric control telescopic rod (6) is vertically and downwards fixedly connected with the outer wall of the hydraulic device (7), the outer diameter of the hydraulic device (7) is matched with the inner diameter of the liquid storage container (5), the hydraulic device (7) moves up and down along with the control of the electric control telescopic rod (6), and moves out of the open mouth at the top of the liquid storage container (5) or moves into the liquid storage container (5), based on the fact that the hydraulic device (7) moves out of the liquid storage container (5), the passivation liquid in the material liquid groove (2) flows into the liquid storage container (5), the outer wall of the picking roller (3) is not contacted with the passivation liquid, and based on the fact that the hydraulic device (7) moves into the liquid storage container (5), the passivation liquid in the liquid storage container (5) flows into the material liquid groove (2) and submerges the lowest position of the outer wall of the picking roller (3);
the control module is connected with the roller coating controller for communication; motors of the electric control telescopic rods (6) in the two groups of coating devices are respectively connected with the control module, and the two electric control telescopic rods (6) work synchronously under the control of the control module, so that the hydraulic devices (7) in the two groups of coating devices move upwards synchronously or downwards synchronously.
2. The cooperative roll coater of claim 1, wherein: the device also comprises a front end detection device, wherein the front end detection device comprises two rolling shafts (8) and two groups of side detection devices; the length of the two rolling shafts (8) is greater than the width of the strip steel (1), the two rolling shafts (8) are arranged on two sides of the strip steel (1) in parallel in a horizontal posture and at the same height, two ends of the two rolling shafts (8) protrude out of the side edge of the strip steel (1), and the two rolling shafts (8) are positioned in the moving path of the strip steel (1) and at the upstream positions of the two coating rollers (4); the two groups of side detection devices correspond to two ends of the same side of the two rolling shafts (8) respectively, the structures of the side detection devices are the same, each group of side detection device comprises a relay rod (9) and two electronic tension meters (10), two ends of the relay rod (9) are respectively butted with one end of each electronic tension meter (10), the other end of each electronic tension meter (10) is butted with two corresponding ends of the two rolling shafts (8), and a straight line where the relay rod (9) is located is collinear with a straight line where each electronic tension meter (10) is located;
the relay rods (9) in each group of side detection devices are fixedly arranged, the two groups of side detection devices are respectively connected with two ends of the same side of the two rolling shafts (8), the outer walls of the two rolling shafts (8) are clamped on two sides of the strip steel (1), and each electronic tension meter (10) in each group of side detection devices is respectively connected with the control module, so that the tension data are uploaded.
3. The cooperative roll coater of claim 2, wherein: each group of side detection devices respectively comprises two connecting rods (11), and the relay rods (9) in each group of side detection devices are fixedly butted on the two feed liquid tanks (2) through the corresponding two connecting rods (11) respectively, so that the position fixing arrangement of the relay rods (9) in each group of side detection devices is realized.
4. The collaborative roll coater of claim 2 or 3, wherein: the hydraulic device (7) is a hollow sphere.
5. A coating method of the cooperative roll coater according to any one of claims 2 to 4, wherein: the initialization control module controls the two hydraulic devices (7) to synchronously move into the corresponding liquid storage containers (5) through the two electric control telescopic rods (6), so that passivation liquid in each liquid storage container (5) respectively flows into the corresponding material liquid groove (2) and submerges the lowest position of the outer wall of the corresponding material picking roller (3) respectively, and the initialization control module executes the following steps based on that the strip steel (1) moves in the vertical direction under the clamping action of the two coating rollers (4):
step A, detecting and judging whether a welding seam on the strip steel (1) is about to pass through coating rollers (4) of two groups of coating devices or not, and if so, entering the step B; otherwise, continuing to execute the detection of the step A;
step B, the control module controls the two hydraulic devices (7) to synchronously move out of the corresponding liquid storage container (5) through the two electric control telescopic rods (6), passivation liquid in the material liquid groove (2) flows into the liquid storage container (5), the outer wall of the material picking roller (3) is not contacted with the passivation liquid, and then the step C is carried out;
step C, the two coating rollers (4) are controlled to be away from each other by the roller coating controller and not to be in contact with the two sides of the strip steel (1), and after the welding seam on the strip steel (1) passes through the coating rollers (4) of the two groups of coating devices, the step D is carried out;
d, controlling the two coating rollers (4) to approach each other by a roller coating controller, respectively contacting with the two sides of the strip steel (1), and then entering the step E;
and E, controlling the two hydraulic devices (7) to synchronously move into the corresponding liquid storage containers (5) by the control module through the two electric control telescopic rods (6), enabling passivation liquid in the liquid storage containers (5) to flow into the material liquid groove (2) and submerge the lowest position of the outer wall of the material picking roller (3), picking up the passivation liquid in the material liquid groove (2) by the outer wall of the material picking roller (3) and transferring the passivation liquid to the outer wall of the coating roller (4), coating the two sides of the strip steel (1), and returning to the step A.
6. The coating method for a collaborative roll coater according to claim 5, wherein: the step A comprises the following steps A1 to A2;
a1, detecting each electronic tension meter (10) in each group of side detection devices in real time respectively to obtain tension detection results, uploading the tension detection results to a control module in real time, and then entering the step A2;
a2, the control module judges whether the received tension detection results respectively change, if so, the control module judges that the welding seam on the strip steel (1) is about to pass through the coating rollers (4) of the two groups of coating devices, and the step B is entered; otherwise, the step A1 is executed.
7. The coating method for a collaborative roll coater according to claim 6, wherein: in the step C, the two coating rollers (4) are controlled to be away from each other by the roller coating controller, the two coating rollers are not in contact with the two sides of the strip steel (1), and the time length of the welding line on the strip steel (1) passing through the coating rollers (4) is delayed and met, and then the step D is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011061157.7A CN112221832B (en) | 2020-09-30 | 2020-09-30 | Cooperative roller coater and coating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011061157.7A CN112221832B (en) | 2020-09-30 | 2020-09-30 | Cooperative roller coater and coating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112221832A CN112221832A (en) | 2021-01-15 |
| CN112221832B true CN112221832B (en) | 2021-11-16 |
Family
ID=74120438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011061157.7A Active CN112221832B (en) | 2020-09-30 | 2020-09-30 | Cooperative roller coater and coating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112221832B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3348964A (en) * | 1964-05-01 | 1967-10-24 | Minnesota Mining & Mfg | Immersion coating of strip material |
| EP1847364A1 (en) * | 2006-04-21 | 2007-10-24 | SCW Technology S.A.S. | A rotary machine for decorating and printing |
| JP5979700B2 (en) * | 2011-09-28 | 2016-08-24 | 株式会社Ｓｃｒｅｅｎホールディングス | Substrate processing method |
| JP5734926B2 (en) * | 2012-07-17 | 2015-06-17 | 富士フイルム株式会社 | Coating apparatus and inkjet recording apparatus |
| CN203370682U (en) * | 2013-06-04 | 2014-01-01 | 中冶南方工程技术有限公司 | Horizontal type three-roller compact type roller coater |
| CN205341159U (en) * | 2016-01-20 | 2016-06-29 | 山东仁丰特种材料股份有限公司 | Double -colored spreading machine of filter paper |
| CN205701272U (en) * | 2016-05-04 | 2016-11-23 | 首钢京唐钢铁联合有限责任公司 | Roller coater with pressure control |
| CN208357137U (en) * | 2018-03-08 | 2019-01-11 | 瑞迈智能系统（东莞）有限公司 | A kind of strip roll coater |
| CN108355907A (en) * | 2018-05-21 | 2018-08-03 | 浙江吉高实业有限公司 | One kind being based on copper-clad plate technique gluing production line |
-
2020
- 2020-09-30 CN CN202011061157.7A patent/CN112221832B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112221832A (en) | 2021-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102443831B (en) | Electroplating process and production line of solar cell sheet solder strip | |
| CN102764790B (en) | Completely continuous magnesium alloy strip coil finishing device and finishing method | |
| CN103056479B (en) | Flux spraying method and device for solar photovoltaic modules | |
| CN210001939U (en) | Hot dip galvanized steel sheet passivating device | |
| CN112221832B (en) | Cooperative roller coater and coating method | |
| CN109355607A (en) | A kind of steel tube hot galvanizing device | |
| CN101796209A (en) | Apparatus for manufacturing hot-dip metal plated steel band | |
| CN111266261A (en) | Oiling station is used in gear production | |
| CN202430305U (en) | Electroplating production line for solar cell welding strip | |
| CN212190654U (en) | Coiling machine for producing galvanized sheet | |
| CN208776811U (en) | The galvanizing rig of zinc stream is reduced in a kind of hot galvanizing automatic assembly line | |
| CN206670203U (en) | A kind of band on-line cleaning equipment | |
| CN206635389U (en) | A kind of hot-dip galvanizing steel wire galvanized layer thickness adjusting means | |
| CN209227042U (en) | A kind of steel tube hot galvanizing device | |
| CN117107325A (en) | Automobile part electrophoretic coating production line | |
| CN102027149A (en) | Device and method for positioning two baffles associated with wiping of a galvanising product | |
| US5251804A (en) | Method for the continuous manufacture of metal-plated steel tubes by molten plating treatment | |
| CN215975988U (en) | Processing production line of hot galvanizing guardrail plate | |
| CN212404241U (en) | Be used for steel construction pipe tower galvanizing equipment | |
| CN107630241A (en) | Can continuous production anti-finger print steel plate processing method | |
| CN211070645U (en) | Liquid supply pipeline and vertical roller coater | |
| US4446812A (en) | Galvanization installations of metallic bands | |
| CN203508318U (en) | Automatic compensation system of anti-corrosive coating layer on steel pipe welds | |
| CN209052775U (en) | A kind of sn-bi alloy electroplanting device | |
| CN203803735U (en) | Galvanized epoxy coating product line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |