Automatic edge searching device for steel plate side jet printing

Abstract

The utility model belongs to the field of steel plate identification, and relates to an automatic edge searching device for steel plate side jet printing, which can accurately jet printing information such as codes on the side of a steel plate. According to the technical scheme, the device comprises a track, a photoelectric sensor, a moving part, a lifting part, an ink-jet printer nozzle and a controller. Wherein the track is fixed above a roller way for conveying a steel plate, and the extending direction of the track is perpendicular to the extending direction of the roller way. And the photoelectric sensor is fixed relative to the track and is configured to detect the steel plate on the roller way. And the moving part is movably arranged on the track and has a trend of reciprocating along the track. And the lifting piece is fixed on the moving piece. And a spray head of the ink-jet printer is fixed at the end of a piston of the lifting piece. And the controller is electrically connected with the photoelectric sensor, the moving piece, the lifting piece, the ink-jet printer and the control room.

Description

Technical Field

[0001] The utility model belongs to the field of steel plate marking and relates to an automatic edge-finding device for spray-printing on the side of a steel plate. Background Art

[0002] Marking steel plates with basic information is a crucial component of steel production, and the importance of side marking has grown over time. Efficient and cost-effective side marking has become a pressing issue. Based on actual on-site production conditions, a control system capable of printing on the side of steel plates was designed and installed. Through continuous optimization during production, the system achieved stable operation, resulting in clear and aesthetically pleasing printing.

[0003] The present invention primarily consists of a PLC controller, a photoelectric sensor, a proximity switch, a servo motor, a servo motor driver, a relay, an encoder, and an inkjet printer. It features a simple structure, high versatility, and low maintenance costs. It is suitable for printing markings on the sides of stainless steel plates. With simple modifications, it can also be applied to the production of ordinary steel plates. The present invention is highly practical and can be extended to other production areas. Utility Model Content

[0004] In order to overcome the defects in the above-mentioned related technologies, the utility model proposes an automatic edge-finding device for spray printing on the side of a steel plate, which can accurately print information such as codes on the side of the steel plate.

[0005] In order to achieve the above technical objectives, the present invention provides an automatic edge-finding device for side printing of steel plates. The automatic edge-finding device for side printing of steel plates comprises: a track, a photoelectric sensor, a moving part, a lifting part, an inkjet printer nozzle and a controller. The track is fixed above the roller conveyor for conveying steel plates, and the extension direction of the track is perpendicular to the extension direction of the roller conveyor. The photoelectric sensor is relatively fixed to the track, and the photoelectric sensor is configured to detect the steel plate on the roller conveyor. The moving part is movably arranged on the track, and the moving part has a tendency to reciprocate along the track. The lifting part is fixed on the moving part. The nozzle of the inkjet printer is fixed to the piston end of the lifting part. The controller is electrically connected to the photoelectric sensor, the moving part, the lifting part, the inkjet printer and the control room.

[0006] Preferably, at least one of the photoelectric sensors is arranged in sequence along the extension direction of the track, and two side edges of the roller conveyor are located inside a detection area of ​​the at least one photoelectric sensor.

[0007] The photoelectric sensor includes a transmitter and a receiver. The transmitter is fixed to the lower end surface of the track, and the light emitted by the transmitter passes through the gap between the two rollers of the roller conveyor to the bottom of the roller conveyor. The receiver is fixed below the roller conveyor and is used to receive the light from the transmitter.

[0008] Preferably, the movable member comprises a servo motor, a screw, and a movable platform. The servo motor is fixed to one end of the track. Both ends of the screw of the screw are connected to the track via bearings, and the screw is coaxially and fixedly connected to the output shaft of the servo motor. The movable platform is movably arranged on the track and fixedly connected to the nut of the screw, and the lifting member is fixed to the movable platform.

[0009] Preferably, the lifting member includes an electric push rod, and the lower end of the piston end of the electric push rod is fixed with an inkjet printer nozzle.

[0010] Preferably, the controller comprises a PLC.

[0011] Preferably, the automatic edge-finding device for side printing of steel plates further comprises an HMI computer, and the HMI computer is electrically connected to the control room and the controller.

[0012] The beneficial effects of the present invention are:

[0013] The utility model adopts a photoelectric sensor to know whether there is a steel plate on the roller below the track, and the specific position of the steel plate on the roller. Then, according to the steel plate processing parameters received by the controller from the control room, the position where the inkjet printer nozzle needs to move can be calculated to ensure that the inkjet printer nozzle can accurately spray the code on the edge of the steel plate.

[0014] Other beneficial effects of the present invention will be described in detail in conjunction with the embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or related technologies, the following briefly introduces the drawings required for use in the embodiments or related technical descriptions. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 It is a side structural diagram of the utility model. DETAILED DESCRIPTION

[0018] To make the above-mentioned purposes, features, and advantages of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0019] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, unless otherwise specified, "plurality" means two or more.

[0021] like Figure 1 and Figure 2 As shown, the utility model provides an automatic edge-finding device for side printing of steel plates. The automatic edge-finding device for side printing of steel plates comprises: a track 1, a photoelectric sensor 2, a moving part 3, a lifting part 4, an inkjet printer nozzle 5 and a controller. The track 1 is fixed above the roller conveyor for conveying steel plates, and the extension direction of the track 1 is perpendicular to the extension direction of the roller conveyor. The photoelectric sensor 2 is relatively fixed to the track 1, and the photoelectric sensor 2 is configured to detect the steel plate on the roller conveyor. The moving part 3 is movably arranged on the track 1, and the moving part 3 has a tendency to reciprocate along the track 1. The lifting part 4 is fixed on the moving part 3. The nozzle of the inkjet printer is fixed to the piston end of the lifting part 4. The controller is electrically connected to the photoelectric sensor 2, the moving part 3, the lifting part 4, the inkjet printer and the control room.

[0022] Preferably, at least one of the photoelectric sensors 2 is arranged in sequence along the extension direction of the track 1 , and two side edges of the roller conveyor are located inside the detection area of ​​the at least one photoelectric sensor 2 .

[0023] The photoelectric sensor 2 includes a transmitter 21 and a receiver 22. The transmitter 21 is fixed to the lower end of the track 1, and the light emitted by the transmitter 21 passes through the gap between the two rollers of the roller conveyor to the bottom of the roller conveyor. The receiver 22 is fixed below the roller conveyor and is used to receive the light from the transmitter 21.

[0024] Preferably, the movable member 3 includes a servo motor 31, a screw 32, and a movable platform 33. The servo motor 31 is fixed to one end of the track 1. Both ends of the screw of the screw 32 are connected to the track 1 via bearings, and the screw is coaxially and fixedly connected to the output shaft of the servo motor 31. The movable platform 33 is movably arranged on the track 1 and is fixedly connected to the nut of the screw 32. The lifting member 4 is fixed to the movable platform 33.

[0025] Preferably, the lifting member 4 includes an electric push rod, and the lower end of the piston end of the electric push rod is fixed with an inkjet printer nozzle 5.

[0026] Preferably, the controller comprises a PLC.

[0027] Preferably, the automatic edge-finding device for side printing of steel plates further comprises an HMI computer, and the HMI computer is electrically connected to the control room and the controller.

[0028] The track 1 of the present invention can only have a dovetail groove track 1, the screw 32 can be set in the dovetail groove of the track 1, and a dovetail slider adapted to the dovetail groove track 1 is provided on the mobile platform 33. The dovetail slider is movably inserted into the dovetail groove, and the mobile platform 33 is fixedly connected to the nut of the screw 32.

[0029] The utility model also includes a printer cabinet and a printer. The printer and the printer cabinet are installed on the ground on one side of the roller. The printer is connected to the printer nozzle 5 through a hose. The printer cabinet is connected to the controller, and the controller transmits a start / stop signal to the printer cabinet.

[0030] The specific operation mode of the utility model is as follows:

[0031] The thickness of the steel plate is 6~60mm. The HMI computer can collect the steel type, specification, production standard, production batch number, etc. of the steel plate. That is, the controller can obtain the thickness of the steel plate on the roller and determine the height of the track 1. According to the thickness of the steel plate, the vertical running distance of the lifting member 4 can be calculated.

[0032] Through multiple photoelectric sensors 2, the position of the steel plate on the roller can be known. The controller drives the servo motor 31 to run, so that the mobile platform 33 runs along the track 1, that is, drives the lifting part 4 to run in the horizontal direction, so that the inkjet printer nozzle 5 can be accurately positioned in the horizontal and vertical directions. The inkjet printer nozzle 5 can face the side of the steel plate to realize spray coding.

[0033] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0034] The above are only specific embodiments of the present invention, but the scope of protection of the present invention is not limited to them. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this utility model should be included in the scope of protection of the present utility model. Therefore, the scope of protection of the present utility model should be based on the scope of protection of the claims.

Claims

1. An automatic edge-finding device for side printing of steel plates, characterized in that: include: A track, wherein the track is fixed above a roller conveyor for conveying steel plates, and an extension direction of the track is perpendicular to an extension direction of the roller conveyor; a photoelectric sensor, the photoelectric sensor being fixed relative to the track and configured to detect the steel plate on the roller table; A moving member, the moving member is movably arranged on the track, and the moving member has a tendency to reciprocate along the track; A lifting member, the lifting member being fixed on the moving member; A printer nozzle, the printer nozzle being fixed to the piston end of the lifting member; A controller is electrically connected to the photoelectric sensor, the moving part, the lifting part, the inkjet printer and the control room.

2. The automatic edge-finding device for side printing of steel plates according to claim 1 is characterized in that: At least one of the photoelectric sensors is arranged in sequence along the extension direction of the track, and two side edges of the roller are located inside the detection area of ​​at least one of the photoelectric sensors; The photoelectric sensor comprises: A transmitter, wherein the transmitter is fixed to the lower end surface of the track, and the light emitted by the transmitter passes through the gap between the two rollers of the roller table to the bottom of the roller table; A receiver is fixed under the roller conveyor and is used to receive light from the transmitter.

3. The automatic edge-finding device for side printing of steel plates according to claim 2, characterized in that: The moving part includes A servo motor is fixed to one end of the track; A screw, both ends of which are connected to the track via bearings, and the screw is coaxially fixedly connected to the output shaft of the servo motor; A mobile platform is movably arranged on the track, and the mobile platform is fixedly connected to the nut of the screw, and the lifting member is fixed on the mobile platform.

4. The automatic edge-finding device for side printing of steel plates according to claim 3 is characterized in that: The lifting member comprises an electric push rod, and the lower end of the piston end of the electric push rod is fixed with an inkjet printer nozzle.

5. The automatic edge-finding device for side printing of steel plates according to claim 4 is characterized in that: The controller includes a PLC.

6. The automatic edge-finding device for side printing of steel plates according to claim 5, characterized in that: The automatic edge-finding device for side printing of steel plates also includes an HMI computer, which is electrically connected to the control room and the controller.

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