CN212349273U - Double-roller tracking coating mechanism for precoated steel plate - Google Patents
Double-roller tracking coating mechanism for precoated steel plate Download PDFInfo
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- CN212349273U CN212349273U CN202020220819.XU CN202020220819U CN212349273U CN 212349273 U CN212349273 U CN 212349273U CN 202020220819 U CN202020220819 U CN 202020220819U CN 212349273 U CN212349273 U CN 212349273U
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Abstract
The utility model discloses a double-roller tracking coating mechanism for precoated steel plates, which comprises a coating roller, a dipping roller and a frame, wherein the coating roller is slidably supported on the frame through a coating roller sliding seat, and the dipping roller is slidably supported on the coating roller sliding seat through the dipping roller sliding seat; the coating roller hydraulic cylinder is arranged on the frame, the coating pressure sensor is arranged between the coating roller sliding seat and the coating roller hydraulic cylinder, the coating roller hydraulic cylinder is connected with the coating roller hydraulic control loop, the dipping roller hydraulic cylinder is arranged on the coating roller sliding seat, the dipping pressure sensor is arranged between the dipping roller sliding seat and the dipping roller hydraulic cylinder, and the dipping roller hydraulic cylinder is connected with the dipping roller hydraulic control loop. The hydraulic roller coating device can automatically adjust the roller gap and the coating thickness, effectively ensure the precision of the coating thickness, realize remote adjustment and control, and has high automation degree and coating thickness precision.
Description
Technical Field
The utility model relates to a coating equipment for precoating steel sheet production especially relates to a roller coat device that has the coating roller by pneumatic cylinder and hydraulic control return circuit control and be stained with the material roller.
Background
The roller coater is an important device in a series of machines for coating and producing pre-coated steel plates or color-coated plates, and has the advantages of small paint loss, high production efficiency and simple and convenient maintenance; the automatic production line can be well butted with the production line to form a production line with higher automation degree; the roller coating device is a core part of the roller coating machine and mainly comprises a material soaking roller and a coating roller, wherein the material soaking roller is used for attaching the coating of a material tray to the surface so as to transfer the coating to the coating roller; the coating roller is used for uniformly coating the coating transferred from the surface of the dipping roller to the surface of the substrate, the gap between the rollers determines the coating thickness and the coating effect of the coating in the process, and the coating thickness and the uniformity of the coating directly influence the quality of the color-coated plate.
The thickness of the coating layer is related to the pressure and the gap of the coating roller acting on the surface of the base material, and when the coating pressure of the coating roller and the surface of the base material is adjusted by the existing roller coating equipment, the existing roller coating equipment is controlled by a screw-nut pair adjusting mechanism through manual experience values, so the existing roller coating equipment has the following defects and directly influences the coating quality; firstly, the gaps between the rollers and the base material are manually adjusted and controlled by operators, the adjustment precision is difficult to guarantee, the requirements on the technique and experience of the operators are particularly high, the coating thickness of the coating layer is difficult to control, and the precise adjustment of the coating thickness is difficult to realize: secondly, the change of the material sticking amount and the gap of the roller base material can be caused along with the change of parameters such as the coating amount, the coating speed, the coating environment and the like in the production process, and the existing roller coating structure can not automatically adjust the parameters of the coating gap in time, so that the coating thickness is unstable; thirdly, the existing roller coating structure can not realize remote and online centralized control and adjustment, so that the automation level of operating equipment is low, and the production efficiency is difficult to improve.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect that prior art exists, the utility model aims to solve the technical problem that a can regulate and control coating thickness automatically, the high two roller tracking coating mechanisms of steel sheet of precoating of coating thickness precision is provided.
In order to solve the technical problem, the utility model discloses a two roller tracking coating mechanism of precoated steel sheet, including coating roller, dipping roller and frame, the coating roller passes through the coating roller slide to be supported on the frame, the dipping roller passes through the dipping roller slide to be supported on the coating roller slide; a coating roller hydraulic cylinder is arranged on the frame, a coating pressure sensor is arranged between a coating roller sliding seat and the coating roller hydraulic cylinder, the coating roller hydraulic cylinder is connected with a coating roller hydraulic control loop, the coating roller hydraulic control loop comprises a coating roller electromagnetic directional valve, an A port and a B port of the coating roller electromagnetic directional valve are respectively connected to a rod cavity and a rodless cavity of the coating roller hydraulic cylinder, a P port of the coating roller electromagnetic directional valve is communicated with an oil outlet of a hydraulic pump, a P port of the coating roller electromagnetic directional valve is also connected with a coating roller pilot overflow valve, the A port of the coating roller electromagnetic directional valve is sequentially connected to a remote control port of the coating roller pilot overflow valve through a coating roller one-way valve and a coating roller remote pressure regulating valve, and T ports of the coating roller electromagnetic directional valve and the coating roller pilot overflow valve are both communicated with an oil tank; the coating roller is characterized in that a material dipping roller hydraulic cylinder is mounted on a coating roller sliding seat, a material dipping pressure sensor is arranged between the material dipping roller sliding seat and the material dipping roller hydraulic cylinder, the material dipping roller hydraulic cylinder is connected with a material dipping roller hydraulic control loop, the material dipping roller hydraulic control loop comprises a material dipping roller electromagnetic directional valve, an A port and a B port of the material dipping roller electromagnetic directional valve are respectively connected to a rod cavity and a rodless cavity of the material dipping roller hydraulic cylinder, a P port of the material dipping roller electromagnetic directional valve is communicated with an oil outlet of a hydraulic pump, a P port of the material dipping roller electromagnetic directional valve is also connected with a material dipping roller pilot overflow valve, the A port of the material dipping roller electromagnetic directional valve is sequentially connected to a remote control port of the material dipping roller pilot overflow valve through a material dipping roller one-way valve and a material dipping roller remote pressure regulating valve, and T ports of the material dipping roller electromagnetic directional valve and the material dipping roller pilot overflow valve.
In the technical scheme, the coating roller is supported on the frame in a sliding manner, and the pressure sensor is arranged between the hydraulic cylinder for driving the coating roller to move and the sliding seat, the hydraulic cylinder of the coating roller can control and determine the coating gap between the coating roller and the color-coated substrate according to the numerical value of the pressure sensor, the gap between the coating roller and the substrate is directly controlled and timely adjusted through the pressure value, and then the coating thickness of the substrate coating is accurately controlled. The structure ensures that the coating roller and the staining roller can timely adjust the positions of the coating roller and the staining roller through the hydraulic cylinder under the accurate control of the pressure value, not only realizes the accurate regulation and control of the material taking amount and the coating amount and effectively ensures the precision of the coating thickness of the base material, but also automatically and timely completes the regulation and control process, avoids the influence of human factors, and has the advantages of high precision and strong timeliness. The hydraulic control loops of the coating roller hydraulic cylinder and the dipping roller hydraulic cylinder adopt a bidirectional pressure regulating loop of a remote pressure regulating valve, the remote pressure regulating valve is connected to a remote control port of a pilot overflow valve, and the control loop timely controls and stabilizes the working pressure of a loop system according to the pressure monitored by a pressure sensor so as to keep the working pressure at a preset value of the system and then precisely control the thickness of the coating; meanwhile, the hydraulic circuit can also be used for remotely and centrally controlling the thickness of the coating roller.
In a further embodiment of the present invention, the cylinder body of the coating roller hydraulic cylinder is fixedly mounted on the frame through a coating roller hydraulic cylinder support, and the coating pressure sensor is fixedly mounted on the overhanging end of the piston rod of the coating roller hydraulic cylinder; the cylinder body of the material dipping roller hydraulic cylinder is fixedly arranged on the coating roller sliding seat through a material dipping roller hydraulic cylinder support, and the material dipping pressure sensor is fixedly arranged at the extending end of the piston rod of the material dipping roller hydraulic cylinder. The structure can realize double regulation control of the coating thickness and the coating material taking amount, and has simple and reasonable structure.
In a preferred embodiment of the present invention, the applicator roll slide is slidably supported on the frame by an applicator roll slide rail; and the material dipping roller sliding seat is supported on the coating roller sliding seat in a sliding way through a material dipping roller sliding rail. Flexible sliding, reasonable structure and convenient manufacture.
In the preferred embodiment of the utility model, the electromagnetic directional valve of the coating roller and the electromagnetic directional valve of the dipping roller are two-position four-way electromagnetic directional valves; the hydraulic pump is a variable plunger pump. The thickness of the coating is regulated and controlled and stabilized through the hydraulic control loop, so that the regulation and control are accurate, and the remote centralized regulation and control can be realized.
Drawings
The following description will further describe the two-roller tracking coating mechanism for precoated steel plates according to the present invention with reference to the accompanying drawings and the specific embodiments.
Fig. 1 is a schematic structural diagram of a specific embodiment of a two-roller tracking coating mechanism for pre-coated steel plates.
In the figure, 1-frame, 2-coating roller hydraulic control loop, 201-coating roller remote pressure regulating valve, 202-coating roller check valve, 203-coating roller electromagnetic directional valve, 204-coating roller pilot overflow valve, 3-hydraulic pump, 4-dipping roller hydraulic control loop, 401-dipping roller remote pressure regulating valve, 402-dipping roller check valve, 403-dipping roller electromagnetic directional valve, 404-dipping roller pilot overflow valve, 5-color coated blank plate, 6-blank plate support roller, 7-coating roller, 8-coating roller slide, 9-dipping roller, 10-dipping roller slide, 11-dipping pressure sensor, 12-dipping roller slide, 13-dipping roller hydraulic cylinder support, 14-dipping roller hydraulic cylinder, 15-coating roller slide, 16-coating pressure sensor, 17-coating roller hydraulic cylinder, 18-coating roller hydraulic cylinder support.
Detailed Description
As shown in fig. 1, in a twin-roll follow-up coating mechanism for a precoated steel sheet, a coating roll 7 is slidably supported by a coating roll slide 8 on a frame 1 of the coating mechanism, and a dip roll 9 is slidably supported by the coating roll slide 8 by a dip roll slide 10. The color-coated blank 5 is passed around the blank support roller 6 adjacent to the application roller 7 so that the coating on the application roller 7 is applied to the color-coated blank 5.
The coating roller 7 is rotatably supported on a coating roller slide carriage 8, the coating roller slide carriage 8 is slidably supported on the frame 1 through a coating roller slide rail 15, and the coating roller slide rail 15 adopts a common slide guide rail; a coating roller hydraulic cylinder 17 is fixedly arranged at the position of the frame 1 corresponding to the coating roller sliding seat 8 through a coating roller hydraulic cylinder support 18, a coating pressure sensor 16 is arranged between the coating roller sliding seat 8 and the coating roller hydraulic cylinder 17 in a connected and contact manner, and the coating pressure sensor 16 is a common pressure sensor; the coating pressure sensor 16 is fixedly mounted on the overhanging end of the piston rod of the coating roller hydraulic cylinder 17, and the cylinder of the coating roller hydraulic cylinder 17 is fixedly mounted on the frame 1 through the coating roller hydraulic cylinder support 18, so that the piston rod of the coating roller hydraulic cylinder 17 is pressed against the coating roller slide 8 through the coating pressure sensor 16. The coating roller hydraulic cylinder 17 is communicated with the coating roller hydraulic control loop 2, the coating roller hydraulic control loop 2 comprises a coating roller electromagnetic directional valve 203, the coating roller electromagnetic directional valve 203 is a two-position four-way electromagnetic directional valve, an A port and a B port of the coating roller electromagnetic directional valve 203 are respectively communicated with a rod cavity and a rodless cavity of the coating roller hydraulic cylinder 17, a P port and a T port of the coating roller electromagnetic directional valve 203 are respectively connected to an oil outlet and an oil tank of the hydraulic pump 3, and the hydraulic pump 3 adopts a variable displacement plunger pump. The port P of the application roller electromagnetic directional valve 203 is also communicated with an application roller pilot relief valve 204, the port T of the application roller pilot relief valve 204 is connected to the oil tank, and the port a of the application roller electromagnetic directional valve 203 is connected to a remote port of the application roller pilot relief valve 204 via an application roller check valve 202 and an application roller remote pressure regulating valve 201 in this order. When the applicator roller electromagnetic directional valve 203 is at the position shown in the figure, the pressure oil of the hydraulic pump 3 enters the rod chamber of the applicator roller hydraulic cylinder 17, the applicator roller check valve 202 is in the closed state, and the hydraulic pressure of the hydraulic system is set by the applicator roller pilot relief valve 204. When the thickness of the coating layer on the color-coated blank plate 5 by the coating roller 7 changes, an electric signal is generated by a coating pressure sensor 16 positioned between a coating roller slide 8 and a coating roller hydraulic cylinder 17, and the electric signal controls the switching position of a coating roller electromagnetic directional valve 203. When the electromagnetic directional valve 203 of the coating roller is switched to the left position, the pressure oil of the hydraulic pump 3 enters the rodless cavity of the hydraulic cylinder 17 of the coating roller, the pressure oil of the rod cavity of the hydraulic cylinder is led to the oil tank, so that the one-way valve 202 of the positive coating roller is opened, and the system pressure of the hydraulic system is set by the remote pressure regulating valve 201 of the coating roller. Because the coating thickness of the coating roller is related to the coating pressure, the pressure sensor converts the pressure signal into an electric signal to control the power on or off of the electromagnetic reversing valve through the controller, and then the working position of the electromagnetic reversing valve is changed, so that the system pressure of the hydraulic control circuit is kept at a preset value, and the stability and the uniformity of the coating thickness are ensured.
The dip roller 9 corresponding to the coating roller 7 is rotatably supported on a dip roller slide carriage 10, and the dip roller slide carriage 10 is slidably supported on a coating roller slide carriage 8 through a dip roller slide rail 12. The dipping roller slide rail 12 is a common slide rail. A material dipping roller hydraulic cylinder 14 is fixedly arranged on the coating roller sliding seat 8 corresponding to the material dipping roller sliding seat 10, and a material dipping pressure sensor 11 is arranged between the material dipping roller sliding seat 10 and the material dipping roller hydraulic cylinder 14 in a contact manner; the material dipping pressure sensor 11 is fixedly arranged at the extending end part of the piston rod of the material dipping roller hydraulic cylinder 14, the cylinder body of the material dipping roller hydraulic cylinder 14 is fixedly arranged on the coating roller slide carriage 8 through the material dipping roller hydraulic cylinder support 13, and the piston rod of the material dipping roller hydraulic cylinder 14 is in top contact with the material dipping roller slide carriage 10 through the material dipping pressure sensor 11. The material dipping roller hydraulic cylinder 14 is communicated with a material dipping roller hydraulic control loop 4, the material dipping roller hydraulic control loop 4 comprises a material dipping roller electromagnetic directional valve 403, the material dipping roller electromagnetic directional valve 403 is a two-position four-way electromagnetic directional valve, an opening A and an opening B of the material dipping roller electromagnetic directional valve 403 are respectively communicated with a rod cavity and a rodless cavity of the material dipping roller hydraulic cylinder 14, and an opening P and an opening T of the material dipping roller electromagnetic directional valve 403 are respectively connected to an oil outlet and an oil tank of the hydraulic pump 3. The port P of the staining roller electromagnetic directional valve 403 is also communicated with a staining roller pilot overflow valve 404, the port T of the staining roller pilot overflow valve 404 is connected to an oil tank, and the port A of the staining roller electromagnetic directional valve 403 is connected to a remote control port of the staining roller pilot overflow valve 404 through a staining roller check valve 402 and a staining roller remote pressure regulating valve 401 in sequence. When the material dipping roller electromagnetic directional valve 403 is at the position shown in the figure, the pressure oil of the hydraulic pump 3 enters the rod cavity of the coating roller hydraulic cylinder 17, the material dipping roller check valve 202 is in a closed state, and the working oil pressure of the hydraulic system is set by the material dipping roller pilot overflow valve 204. When the dipping quantity and the dipping thickness of the dipping roller 9 and the coating roller 7 are changed, an electric signal is generated by a dipping pressure sensor 14 positioned between a dipping roller sliding seat 10 and a dipping roller hydraulic cylinder 14, and the position of an electromagnetic directional valve 403 of the dipping roller is controlled by the electric signal. When the electromagnetic directional valve 403 of the dipping roller is switched to the left position, the pressure oil of the hydraulic pump 3 enters the rodless cavity of the dipping roller hydraulic cylinder 14, the pressure oil in the rod cavity of the hydraulic cylinder is communicated to the oil tank, so that the one-way valve 402 of the dipping roller is opened, and the system pressure of the hydraulic system is regulated by the remote pressure regulating valve 401 of the dipping roller. The material adhering thickness of the material adhering roller is related to the material adhering pressure, the pressure sensor converts a pressure signal into an electric signal, the controller controls the electromagnetic reversing valve to be powered on or powered off, and then the working position of the electromagnetic reversing valve is changed, so that the system pressure of the hydraulic control loop is kept at a preset value, and the material adhering amount and the material adhering thickness are stable and uniform.
Claims (4)
1. A double-roller tracking coating mechanism for a precoated steel plate comprises a coating roller (7), a material sticking roller (9) and a machine frame (1), and is characterized in that: the coating roller (7) is supported on the rack (1) in a sliding manner through a coating roller sliding seat (8), and the material dipping roller (9) is supported on the coating roller sliding seat (8) in a sliding manner through a material dipping roller sliding seat (10); a coating roller hydraulic cylinder (17) is arranged on the frame (1), a coating pressure sensor (16) is arranged between a coating roller sliding seat (8) and the coating roller hydraulic cylinder (17), the coating roller hydraulic cylinder (17) is connected with a coating roller hydraulic control loop (2), the coating roller hydraulic control loop (2) comprises a coating roller electromagnetic directional control valve (203), an A port and a B port of the coating roller electromagnetic directional control valve (203) are respectively connected with a rod cavity and a rodless cavity of the coating roller hydraulic cylinder (17), a P port of the coating roller electromagnetic directional control valve (203) is communicated with an oil outlet of a hydraulic pump (3), a P port of the coating roller electromagnetic directional control valve (203) is also connected with a coating roller pilot relief valve (204), the A port of the coating roller electromagnetic directional control valve (203) is sequentially connected with a remote control port of the coating roller relief valve (204) through a coating roller one-way valve (202) and a coating roller remote pressure regulating valve (201), the T ports of the electromagnetic directional valve (203) of the coating roller and the pilot overflow valve (204) of the coating roller are both communicated with an oil tank; a dipping roller hydraulic cylinder (14) is arranged on the coating roller sliding seat (8), a dipping material pressure sensor (11) is arranged between the dipping roller sliding seat (10) and the dipping roller hydraulic cylinder (14), the dipping roller hydraulic cylinder (14) is connected with a dipping roller hydraulic control loop (4), the dipping roller hydraulic control loop (4) comprises a dipping roller electromagnetic directional valve (403), an A port and a B port of the dipping roller electromagnetic directional valve (403) are respectively connected to a rod cavity and a rodless cavity of the dipping roller hydraulic cylinder (14), a P port of the dipping roller electromagnetic directional valve (403) is communicated with an oil outlet of a hydraulic pump (3), a dipping roller pilot overflow valve (404) is further connected to the P port of the dipping roller electromagnetic directional valve (403), the A port of the dipping roller electromagnetic directional valve (403) is sequentially connected to a dipping port remote control overflow valve (404) of the dipping roller pilot overflow valve (402) and a long-range material roller (401), t ports of an electromagnetic directional valve (403) of the dipping roller and a pilot overflow valve (404) of the dipping roller are both communicated with an oil tank.
2. The pre-coated steel sheet double roll tracking coating mechanism of claim 1, wherein: the cylinder body of the coating roller hydraulic cylinder (17) is fixedly arranged on the frame (1) through a coating roller hydraulic cylinder support (18), and the coating pressure sensor (16) is fixedly arranged at the extending end of the piston rod of the coating roller hydraulic cylinder (17); a cylinder body of the material dipping roller hydraulic cylinder (14) is fixedly arranged on the coating roller sliding seat (8) through a material dipping roller hydraulic cylinder support (13), and the material dipping pressure sensor (11) is fixedly arranged at the extending end of a piston rod of the material dipping roller hydraulic cylinder (14).
3. The twin roll tracking coating mechanism of pre-coated steel sheet according to claim 1 or 2, characterized in that: the coating roller sliding seat (8) is supported on the frame (1) in a sliding way through a coating roller sliding rail (15); the material dipping roller sliding seat (10) is supported on the coating roller sliding seat (8) in a sliding way through a material dipping roller sliding rail (12).
4. The pre-coated steel sheet double roll tracking coating mechanism of claim 1, wherein: the coating roller electromagnetic directional valve (203) and the material dipping roller electromagnetic directional valve (403) are both two-position four-way electromagnetic directional valves; the hydraulic pump (3) is a variable plunger pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020220819.XU CN212349273U (en) | 2020-02-27 | 2020-02-27 | Double-roller tracking coating mechanism for precoated steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020220819.XU CN212349273U (en) | 2020-02-27 | 2020-02-27 | Double-roller tracking coating mechanism for precoated steel plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212349273U true CN212349273U (en) | 2021-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020220819.XU Active CN212349273U (en) | 2020-02-27 | 2020-02-27 | Double-roller tracking coating mechanism for precoated steel plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212349273U (en) |
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2020
- 2020-02-27 CN CN202020220819.XU patent/CN212349273U/en active Active
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