阅读说明：本技术 一种薄片用双面打标装置及其方法 (Double-sided marking device for thin sheet and method thereof ) 是由 王英利 任旭东 蒋尧 周长禄 黄涛 于 2020-04-24 设计创作，主要内容包括：本发明公开了一种薄片用双面打标装置及其方法,涉及激光打标领域,薄片通过上料机械手传送到转动平台的上料工位,转动平台装有真空装置可以将薄片吸附固定,转动平台旋转将薄片传送到CCD检测工位通过视觉检测装置确定薄片的位置,检测完成后,转动平台旋转将薄片传送到打标工位进行激光打标,打标完成后薄片由转动平台传送到下料工位,翻转机械手将薄片取下并翻转,下料机械手将翻转的薄片传送到下料工位,转动平台回转将薄片再次传送回加工工位进行另一面的打标。该方法实现了自动上下料、各工位自动转换以及薄片的自动翻转,且CCD检测保证了打标位置的准确性,本发明适应大小、厚度、材质不同的薄片,极大地扩展了本发明的应用场景。(The invention discloses a double-sided marking device for thin slices and a method thereof, and relates to the field of laser marking. The method realizes automatic feeding and discharging, automatic switching of each station and automatic turning of the sheets, and CCD detection ensures the accuracy of marking positions.)

1. A double-sided marking method for thin slices is characterized in that a mechanical arm conveys thin slices to be machined to a machining station of a rotating platform (5), the rotating platform (5) transmits the thin slices to be machined to a marking station to carry out laser marking, the thin slices after marking are conveyed to a blanking station by the rotating platform (5), the mechanical arm takes off the thin slices and turns over the thin slices, the turned thin slices are placed on the rotating platform (5), the rotating platform (5) rotates to convey the thin slices to the marking station again to carry out marking, and therefore double-sided marking of the thin slices is achieved.

2. Method for double-sided marking of sheets according to claim 1, characterized in that it comprises the following steps:

the method comprises the following steps: marking the front surface of the sheet: the method comprises the steps that sheets to be marked are stacked in a feeding box (9), a motor (22) drives a rotating arm (25) to rotate to the upper portion of the feeding box (9), a cylinder (26) stretches out to drive a first vacuum sucker (29) to move downwards to adsorb the sheets in the feeding box (9), the cylinder (26) retracts to drive the vacuum sucker (29) to move upwards, the rotating arm (25) rotates to a feeding station of a rotating platform (5), the cylinder (26) stretches out to drive the first vacuum sucker (29) to move downwards, the sheets are placed on the feeding station, the cylinder (26) retracts, the rotating arm (25) rotates to the upper portion of the feeding box (9) again, the rotating platform (5) rotates to convey the sheets to a CCD detection station, the positions of the sheets are determined through a visual detection device (3), and after detection is completed, the rotary platform (5) rotates to convey the thin sheet to a marking station to be marked through the laser system (4);

step two: marking the back side of the sheet: the front marking method comprises the steps that a thin slice is conveyed to a discharging station by a rotary platform (5) after marking is finished, a turnover manipulator (6) takes down and overturns the thin slice, the discharging manipulator (7) takes down and replaces the overturned thin slice on the rotary manipulator (6), the rotary platform (5) rotates to convey the thin slice back to a processing station again, and the back marking is carried out through a laser system (4), the rotary platform (5) rotates to convey the thin slice to the discharging station after marking is finished, and the discharging manipulator (7) takes down the thin slice and puts the thin slice into a discharging box (8).

3. A double-sided marking device for thin sheets is characterized by comprising a feeding mechanical arm (2), a visual detection device (3), a laser system (4), a rotating platform (5), a turning mechanical arm (6) and a discharging mechanical arm (7); the automatic feeding and discharging device is characterized in that the feeding mechanical arm (2) and the discharging mechanical arm (7) are identical in structure, the feeding mechanical arm (2) is used for clamping a workpiece to the rotating platform (5), the rotating platform (5) is used for driving the workpiece to each station, the visual detection device (3) is used for determining the position of the workpiece, the laser system (4) is used for marking the workpiece, the overturning mechanical arm (6) is used for overturning the workpiece subjected to the alignment marking, and the discharging mechanical arm (7) puts the workpiece subjected to the overturning back to the rotating platform (5).

4. The double-sided marking device for the thin sheet as claimed in claim 3, wherein the feeding manipulator (2) comprises a clamping worktable (21), a motor (22), a speed reducer (23), a bearing (24), a rotating arm (25), a cylinder (26), a linear bearing (27), a guiding device (28) and a first vacuum chuck (29); a motor (22) is arranged on the clamping workbench (21), and the rotating arm (25) is controlled by the motor (22) to rotate through a speed reducer (23) and a bearing (24); an air cylinder (26) is arranged above the rotating arm (25), a first vacuum sucker (29) is fixed on a guide device (28), and the air cylinder (26) controls the first vacuum sucker (29) to move up and down through a linear bearing (27) and the guide device (28); the rotating arm (25) rotates to the upper side of the feeding box (9), the cylinder (26) stretches out to drive the first vacuum sucker (29) to move downwards to adsorb sheets in the feeding box (9), the cylinder (26) retracts, the rotating arm (25) rotates to a feeding station of the rotating platform (5), the cylinder (26) stretches out to drive the first vacuum sucker (29) to move downwards, the sheets are placed on the feeding station, and the cylinder (26) retracts.

5. Double-sided marking device for sheets according to claim 3, characterized in that the rotary platform (5) comprises a first rotary electric cylinder (51), a vacuum suction platform (52) and a platform base plate (53); the first rotary electric cylinder (51) drives the vacuum adsorption platform (52) to rotate, and four stations are switched; the vacuum adsorption platform (52) is provided with a vacuum generating device, the thin sheet is adsorbed and fixed through vacuum generated by the vacuum generating device, and the vacuum adsorption platform (52) is made of white POM (polyoxymethylene), so that damage to the thin sheet is reduced.

6. The double-sided marking device for sheets as claimed in claim 3, wherein the flipping robot (6) comprises a bottom cylinder (61), a linear guide rail (62), a rodless cylinder (63), a mounting bracket (64), a second rotary cylinder (65) and a rotating assembly (66); the bottom cylinder (61) controls the front and back movement through a linear guide rail (62), the rodless cylinder (63) controls the left and right movement, and the second rotary cylinder (65) controls the rotary assembly (66) to rotate; the control rotating assembly (66) comprises an air cylinder (661), a linear bearing (662), a guide device (663) and a vacuum chuck (664).

7. Double-sided marking device for sheets according to claim 3, characterized in that the visual detection means (3) comprise a mounting bracket (31), a camera (32) and a lens (33); the mounting bracket (31) is provided with a camera (32), and a lens (33) is arranged below the camera (32).

8. Double-sided marking device for sheets according to claim 3, characterized in that the laser system (4) comprises a lifting assembly (41), a mounting bracket (42) and a galvanometer system (43).

9. The double-sided marking apparatus for a sheet as claimed in any one of claims 3 to 8, wherein the workpiece is a sheet.

Technical Field

The invention relates to the technical field of sheet marking, in particular to a sheet double-side marking device and a sheet double-side marking method.

Background

At present, the thin slice is beaten and is beaten mark mostly by the manual work go up unloading, will lead to intensity of labour big during batch production, efficiency lower, delivery cycle extension scheduling problem, and artifical material loading is owing to lean on manual alignment, beat the easy skew of mark position, lead to the part to scrap, consequently urgently need one kind can go up the unloading automatically and can carry out two-sided device of beating.

The market also has double-sided marking automation equipment, but all have certain defects. Such as long-line conveying mode, double-vibration mirror marking and no visual detection device. The disadvantages are as follows: occupation space is too big, and equipment cost is too big, beats the easy skew in mark position, only beats the mark to a certain specific product, and application scope undersize.

Disclosure of Invention

In order to solve the problems, the invention provides a double-sided marking device for a sheet. The transfer of each station is carried out on the rotary platform, and the turnover manipulator overturns the sheet, so that the automatic double-sided marking of the sheet is realized, the occupied space is small, and the application range is wide.

The invention is realized by the following technical scheme:

a double-sided marking method for thin slices is characterized in that a mechanical arm conveys thin slices to be processed to a processing station of a rotating platform, the rotating platform transmits the thin slices to be processed to a marking station to perform laser marking, the thin slices are conveyed to a blanking station by the rotating platform after marking is completed, the mechanical arm takes down the thin slices and turns over the thin slices, the turned thin slices are placed on the rotating platform, and the rotating platform rotates to convey the thin slices to the marking station again to perform marking, so that double-sided marking of the thin slices is completed.

Further, the method comprises the following steps: the method comprises the following steps: marking the front surface of the sheet: the method comprises the following steps that sheets to be marked are stacked in a feeding box, a motor drives a rotating arm to rotate to the upper side of the feeding box, an air cylinder stretches out to drive a vacuum chuck to move downwards to adsorb the sheets in the feeding box, the air cylinder retracts to drive the vacuum chuck to move upwards, the rotating arm rotates to a feeding station of a rotating platform, the air cylinder stretches out to drive the vacuum chuck to move downwards, the sheets are placed on the feeding station, the air cylinder retracts, the rotating arm rotates to the upper side of the feeding box again, the rotating platform rotates to convey the sheets to a CCD detection station, the positions of the sheets are determined through a visual detection device, and after detection is completed, the rotating platform rotates to convey the sheets;

step two: marking the back side of the sheet: the front surface of the thin sheet after marking is finished is conveyed to a discharging station through a rotating platform, the thin sheet is taken down and turned over by a turning mechanical arm, the turned thin sheet is taken down from the turning mechanical arm and placed on the discharging station again by the discharging mechanical arm, the thin sheet is conveyed back to a processing station through rotation of the rotating platform, the reverse marking is carried out through a laser system, the thin sheet is conveyed to the discharging station through rotation of the rotating platform after marking is finished, and the thin sheet is taken down by the discharging mechanical arm and placed into a discharging box.

A double-sided marking device for thin slices comprises a feeding manipulator, a visual detection device, a laser system, a rotating platform, a turnover manipulator and a discharging manipulator; the automatic feeding and discharging device is characterized in that the feeding mechanical arm and the discharging mechanical arm are identical in structure, the feeding mechanical arm is used for clamping a workpiece to the rotating platform, the rotating platform is used for driving the workpiece to a station, the visual detection device is used for determining the position of the workpiece, the laser system is used for marking the workpiece, the overturning mechanical arm is used for overturning the workpiece subjected to the alignment marking, and the discharging mechanical arm puts the workpiece subjected to the overturning back to the rotating platform.

Further, the feeding manipulator comprises a clamping workbench, a motor, a speed reducer, a bearing, a rotating arm, a cylinder, a linear bearing, a guiding device and a vacuum chuck; the clamping workbench is provided with a motor, and the rotating arm is controlled to rotate by the motor through a speed reducer and a bearing; an air cylinder is arranged above the rotating arm, the vacuum chuck is fixed on the guide device, and the air cylinder controls the vacuum chuck to move up and down through the linear bearing and the guide device; the rotating arm rotates to the upper side of the feeding box, the air cylinder stretches out to drive the vacuum chuck to move downwards to adsorb sheets in the feeding box, the air cylinder retracts, the rotating arm rotates to the feeding station of the rotating platform, the air cylinder stretches out to drive the vacuum chuck to move downwards, the sheets are placed on the feeding station, and the air cylinder retracts.

Further, the rotary platform comprises a rotary electric cylinder, a vacuum adsorption platform and a platform bottom plate; the rotary electric cylinder drives the vacuum adsorption platform to rotate, and four stations are converted; the vacuum adsorption platform is provided with a vacuum generating device, the thin sheet is adsorbed and fixed by vacuum generated by the vacuum generating device, and the vacuum adsorption platform is made of white POM (polyoxymethylene), so that damage to the thin sheet is reduced.

Further, the turnover manipulator comprises a bottom cylinder, a linear guide rail, a rodless cylinder, a mounting bracket, a rotary cylinder and a rotating assembly; the bottom cylinder controls the front and back movement through a linear guide rail, the rodless cylinder controls the left and right movement, and the rotating cylinder controls the rotating assembly to rotate; the control rotating assembly comprises an air cylinder, a linear bearing, a guide device and a vacuum chuck.

Further, the visual inspection device comprises a mounting bracket, a camera and a lens; the mounting bracket is provided with a camera, and a lens is arranged below the camera.

Further, the laser system comprises a lifting assembly, a mounting bracket and a galvanometer system.

Further, the workpiece is a thin sheet.

The invention has the beneficial effects that:

1. the rotating platform is adopted to transfer each station, so that the occupied area is reduced; the manipulator is used for overturning the slice, and only one galvanometer is used, so that the cost is reduced; the mechanical arm and the vacuum platform can be adjusted according to the size and the thickness of the marked slice, and the material of the slice is not required, so that the application scene of the invention is greatly expanded.

2. The visual detection device is used for detecting the position of the sheet before marking, so that the marking position on the sheet is more accurate, and the rejection rate is greatly reduced.

Drawings

FIG. 1 is an isometric view of the present invention;

FIG. 2 is an isometric view of a loading robot;

FIG. 3 is an isometric view of the visual inspection device;

FIG. 4 is an isometric view of a laser system;

FIG. 5 is an isometric view of the rotating platform;

FIG. 6 is an isometric view of the invert robot;

FIG. 7 is an isometric view of the rotation assembly of the flipping robot of FIG. 6;

fig. 8 is an isometric view of a blanking robot.

The reference numbers are as follows:

1-a cabinet; 2-a feeding manipulator; 3-a visual inspection device; 4-a laser system; 5-rotating the platform; 6-overturning the mechanical arm; 7-a blanking manipulator; 8-discharging box; 9-feeding box; 21-clamping workbench; 22-a motor; 23-a speed reducer; 24-a bearing; 25-a rotating arm; 26-a first cylinder; 27-linear bearings; 28-a guide; 29-a first vacuum chuck; 31-a mounting bracket; 32-a camera; 33-a lens; 41-a lifting assembly; 42-a mounting bracket; 43-galvanometer system; 51-a first rotating electric cylinder; 52-vacuum adsorption platform; 53-platform floor; 61-bottom cylinder; 62-linear guide rail; 63-rodless cylinders; 64-a mounting bracket; 65-a second rotary cylinder; 66-a rotating assembly; 661-a second cylinder; 662-linear bearings; 663-guiding means; 664-a second vacuum chuck; 71-a clamping workbench; 72-a motor; 73-a speed reducer; 74-a bearing; 75-a rotating arm; 76-a third cylinder; 77-linear bearings; 78-a guide; 79-third vacuum chuck.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

First, referring to the drawings, a double-sided marking device for sheets is described in detail, which is shown in fig. 1 and fig. 2, and includes a cabinet 1, a feeding manipulator 2 for transferring sheets to a feeding station, a visual detection device 3 for photographing and positioning sheets, a laser system 4 for marking sheets, a rotary platform 5 for transferring each station, a turnover mechanism 6 for turning sheets, a blanking manipulator 7 for taking and placing sheets, a blanking box 8 for receiving marked sheets, and a feeding box 9 for receiving unmarked sheets, wherein the feeding manipulator 2 includes a workbench 21, a motor 22, a speed reducer 23, a bearing 24, a rotating arm 25, a cylinder 26, a linear bearing 27, a guide device 28, and a vacuum chuck 29, the motor 22 controls the rotating arm 25 to rotate between the feeding station of the feeding box 9 and the rotary platform 5, the air cylinder 26 controls the vacuum chuck 29 to move up and down, and material taking action is completed.

Referring to fig. 3 and 4, the vision detecting device 3 includes a mounting bracket 31, a camera 32 and a lens 33, the laser system 4 includes a lifting assembly 41, a mounting bracket 42 and a galvanometer system 43, and the laser system 4 marks the sheet after the vision detecting device 3 photographs and positions the sheet.

As shown in fig. 5, the rotary platform 5 includes a rotary electric cylinder 51, a vacuum adsorption platform 52 and a platform bottom plate 53, the rotary platform 5 includes a feeding station, a CCD detection station, a marking station and a discharging station, and the rotary electric cylinder 51 drives the vacuum adsorption platform 52 to rotate to perform conversion of four stations.

Referring to fig. 6 and 7, the flipping robot 6 includes a bottom cylinder 61, a linear guide 62, a rodless cylinder 63, a mounting bracket 64, a rotary cylinder 65, and a rotary assembly 66, the rotary assembly 66 includes a cylinder 661, a linear bearing 662, a guide 663, and a second vacuum chuck 664, the bottom cylinder 61 controls the movement in the front-back direction through the linear guide 62, the rodless cylinder 63 controls the movement in the left-right direction, and the rotary cylinder 65 controls the rotary assembly 66 to rotate.

Referring to fig. 6 and 8, after the sheet subjected to front marking is conveyed to the blanking station by the rotary platform 5, the turning manipulator 6 takes the sheet off, the second rotary cylinder 65 controls the rotary assembly 66 to rotate, and the blanking manipulator 7 takes the turned sheet off from the conveying turning manipulator 6 and places the turned sheet on the blanking station again to complete turning of the sheet.

The detection method comprises the following steps:

the method comprises the following steps: marking the front surface of the sheet: the method comprises the following steps that sheets to be marked are stacked in a feeding box 9, a motor 22 drives a rotating arm 25 to rotate to the upper side of the feeding box 9, an air cylinder 26 extends out to drive a vacuum sucker 29 to move downwards to adsorb the sheets in the feeding box 9, the air cylinder 26 retracts to drive the vacuum sucker 29 to move upwards, the rotating arm 25 rotates to a feeding station of a rotating platform 5, the air cylinder 26 extends out to drive the vacuum sucker 29 to move downwards, the sheets are placed on the feeding station, the air cylinder 26 retracts, the rotating arm 25 rotates to the upper side of the feeding box 9 again, the rotating platform 5 rotates to convey the sheets to a CCD detection station, the positions of the sheets are determined through a visual detection device 3, and after detection is finished, the rotating platform 5 rotates to convey the sheets to a marking station;

step two: marking the back side of the sheet: the front face marks and sends the unloading station by rotating platform 5 after accomplishing the thin slice, upset manipulator 6 takes off the thin slice and overturns, unloading manipulator 7 takes off the thin slice after the upset from passing upset manipulator 6 and place in the unloading station again, rotate platform 5 gyration and send the thin slice to the processing station again and carry out anti-mark through laser system 4, mark and rotate the rotation of platform 5 after accomplishing and send the unloading station with the thin slice, unloading manipulator 7 takes off the thin slice and puts into in unloading box 8.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.