阅读说明：本技术 一种双工位双面自动激光打标装置及方法 (Double-station double-sided automatic laser marking device and method ) 是由 张琥 方扬 周彬 高杰 程志飞 冯强 袁申珅 于 2021-09-10 设计创作，主要内容包括：本发明提供一种双工位双面自动激光打标装置,包括工作平台,所述工作平台上设有打标定位台和激光打标机,所述打标定位台上设有夹紧翻转机构,夹紧翻转机构包括左工装和右工装,所述左工装和右工装分别夹紧一工件且用于完成该工件的翻面动作,所述工作平台上设有打标工位、用于左工装装卸工件的左装卸位、用于右工装装卸工件的右装卸位,所述打标定位台包括带动左工装和右工装在左装卸位、打标工位和右装卸位进行切换定位的驱动件,所述激光打标机固定在打标工位上方。本发明还提供一种双工位双面自动激光打标方法。本发明可以满足制造行业对工件进行双面激光打标的自动化要求,还能提高自动激光打标的定位精度和工作效率。(The invention provides a double-station double-sided automatic laser marking device which comprises a working platform, wherein a marking positioning table and a laser marking machine are arranged on the working platform, a clamping turnover mechanism is arranged on the marking positioning table and comprises a left tool and a right tool, the left tool and the right tool respectively clamp a workpiece and are used for completing turn-over action of the workpiece, a marking station, a left loading and unloading position for loading and unloading the workpiece by the left tool and a right loading and unloading position for loading and unloading the workpiece by the right tool are arranged on the working platform, the marking positioning table comprises a driving piece for driving the left tool and the right tool to be switched and positioned at the left loading and unloading position, the marking station and the right loading and unloading position, and the laser marking machine is fixed above the marking station. The invention also provides a double-station double-sided automatic laser marking method. The invention can meet the automation requirement of double-sided laser marking on workpieces in the manufacturing industry and can also improve the positioning precision and the working efficiency of automatic laser marking.)

1. The utility model provides a two-sided automatic laser marking device in duplex position which characterized in that: including work platform, work platform is last to be equipped with to beat mark location platform and laser marking machine, beat and be equipped with on the mark location platform and press from both sides tight tilting mechanism, press from both sides tight tilting mechanism and include left frock and right frock, a left side frock and right frock press from both sides tight work piece respectively and are used for accomplishing the turn-over action of this work piece, work platform is last to be equipped with to beat the mark station, be used for left side frock loading and unloading of work piece to unload the position, be used for right frock loading and unloading of work piece to unload the position, beat the mark location platform including drive left frock and right frock unload the position, beat the driving piece that mark station and right loading and unloading position switched the location, laser marking machine fixes and beats the mark station top.

2. The double-station double-sided automatic laser marking device according to claim 1, characterized in that: the left loading and unloading position and the right loading and unloading position are respectively positioned on two sides of the marking station.

3. The double-station double-sided automatic laser marking device according to claim 1, characterized in that: the marking positioning table comprises a rodless cylinder, a first connecting plate and an electromagnetic valve, the rodless cylinder is fixed on the working platform, the clamping and overturning mechanism is fixed on the rodless cylinder through the first connecting plate, and the electromagnetic valve controls the on-off of a control air path so as to control the motion start-stop and the motion direction of the rodless cylinder.

4. The double-station double-sided automatic laser marking device according to claim 3, characterized in that: beat mark location platform still includes first buffer, and the one end of no pole cylinder is located to first buffer, plays the buffering guard action to no pole cylinder.

5. The double-station double-sided automatic laser marking device according to claim 3, characterized in that: the clamping and overturning mechanism further comprises a mounting plate, the mounting plate is fixed on the first connecting plate, and the left tool and the right tool are symmetrically arranged on the mounting plate.

6. The double-station double-sided automatic laser marking device according to claim 5, characterized in that: the left tool comprises a large-opening mechanical clamp, the large-opening mechanical clamp is fixed on the mounting plate, a connecting block is symmetrically arranged at two ends of the large-opening mechanical clamp, a swinging finger is arranged on the connecting block, a clamping block is arranged on the swinging finger through a swinging plate, the large-opening mechanical clamp is used for driving two clamping blocks on the connecting block to clamp a workpiece in a cooperative manner, and the swinging plate drives the clamping blocks to turn over under the driving of the swinging finger.

7. The double-station double-sided automatic laser marking device according to claim 6, characterized in that: the structure of the right tool is the same as that of the left tool.

8. The double-station double-sided automatic laser marking device according to claim 6, characterized in that: the left tool further comprises a second buffer and a second buffer mounting seat, and the end part of the large-opening mechanical clamp is arranged in the second buffer.

9. The double-station double-sided automatic laser marking device according to claim 1, characterized in that: the laser marking machine is fixed on the working platform through a laser marking machine mounting component, the laser marking machine mounting component comprises a mounting floor and a mounting upright post, the mounting upright post is fixed on the working platform through the mounting floor, a second connecting plate is arranged on the mounting upright post, a third connecting plate is arranged on the second connecting plate, and a supporting plate for supporting the laser marking machine is arranged on the third connecting plate.

10. A double-station double-sided automatic laser marking method is characterized by comprising the following steps: s1, manually adjusting the height of a laser head of the laser marking machine, initializing the equipment, enabling a left tool to be located at a left loading and unloading position, enabling a right tool to be located at a marking station, opening a large-opening mechanical clamp, and enabling a swing finger to return to zero;

s2, loading the left tool at a left loading and unloading position, ventilating a large-opening mechanical clamp of the left tool, clamping the workpiece by a clamping block, and finishing the loading of the left tool;

s3, positioning is carried out by the marking positioning table, the rodless cylinder moves rightwards to enable the left tool to be located at a marking station, the right tool is located at a right loading and unloading position, and positioning is finished;

s4, marking is carried out by a laser marking machine, the laser marking machine marks the front side of the workpiece on the left tool at the marking station, and meanwhile, the right tool carries out feeding at the right loading and unloading station;

s5, after the marking of the front face of the workpiece on the left tool is finished, the rodless cylinder moves leftwards to enable the left tool to be located at a left loading and unloading position, the right tool is located at a marking station, and the positioning is finished;

s6, turning the workpiece by the left tool, ventilating a swing finger on the left tool, driving a swing plate to turn 180 degrees to enable the workpiece to complete turning, and marking the front side of the workpiece on the right tool at the marking station by the laser marking machine;

s7, after the marking of the front face of the workpiece on the right tool is finished, the rodless cylinder moves rightwards, so that the left tool is located at a marking station, the right tool is located at a right loading and unloading position, and the positioning is finished;

s8, marking the back side of the workpiece on the left tool at the marking station by the laser marking machine, and turning the workpiece by the right tool at the right loading and unloading station;

s9, after the marking of the back surface of the workpiece on the left tool is finished, the rodless cylinder moves leftwards to enable the left tool to be in a left loading and unloading position, the right tool is in a marking station, and the positioning is finished;

s10, discharging and loading the left tool at the left loading and unloading position, exhausting a large-opening mechanical clamp of the left tool to enable a clamping block to loosen a workpiece, completing discharging of the left tool, ventilating the large-opening mechanical clamp of the left tool to enable the clamping block to clamp the next workpiece, completing loading, and marking the reverse side of the workpiece on the right tool at the marking station by a marking machine;

s11, after the marking of the back surface of the workpiece on the right tool is finished, a rodless cylinder of the marking positioning table moves rightwards, so that the left tool is positioned at a marking station, the right tool is positioned at a right loading and unloading position, and the positioning is finished;

s12, marking the workpiece on the left tool at the marking station on the front side by the laser marking machine, and simultaneously blanking and loading the right tool at the right loading and unloading station; and repeating the steps to complete the double-station double-sided automatic laser marking work of the workpiece.

Technical Field

The invention relates to the field of laser marking, in particular to a double-station double-side automatic laser marking device and method.

Background

Laser marking has become an indispensable important process in the current manufacturing industry, and the requirement for marking the two sides of workpiece products is continuously increased, so that the current laser marking method can not meet the laser marking requirement of the current manufacturing industry.

The existing laser marking method generally needs manual feeding and discharging, and needs manual positioning of workpieces, and the marking method is often poor in positioning accuracy and low in efficiency, and the labor intensity of operators is high, so that the trend of automatic development of the current manufacturing industry is not met.

Therefore, it is necessary to design a double-station double-sided automatic laser marking device and method, which can not only meet the current automation development trend of manufacturing industry, but also meet the market demand of performing high-efficiency double-sided laser marking on product workpieces in the industry.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a double-station double-sided automatic laser marking device and method so as to solve the problems of low automation degree, low efficiency and the like of the conventional laser marking method and at least solve part of problems in the prior art.

The invention is realized by the following steps:

the invention provides a double-station double-sided automatic laser marking device which comprises a working platform, wherein a marking positioning table and a laser marking machine are arranged on the working platform, a clamping turnover mechanism is arranged on the marking positioning table and comprises a left tool and a right tool, the left tool and the right tool respectively clamp a workpiece and are used for completing turn-over action of the workpiece, a marking station, a left loading and unloading position for loading and unloading the workpiece by the left tool and a right loading and unloading position for loading and unloading the workpiece by the right tool are arranged on the working platform, the marking positioning table comprises a driving piece for driving the left tool and the right tool to be switched and positioned at the left loading and unloading position, the marking station and the right loading and unloading position, and the laser marking machine is fixed above the marking station.

Preferably, the left loading and unloading position and the right loading and unloading position are respectively positioned on two sides of the marking station.

Preferably, the marking positioning table comprises a rodless cylinder, a first connecting plate and an electromagnetic valve, the rodless cylinder is fixed on the working platform, the clamping and overturning mechanism is fixed on the rodless cylinder through the first connecting plate, and the electromagnetic valve controls the on-off of the control air path so as to control the motion start, stop and motion direction of the rodless cylinder.

Preferably, the marking positioning table further comprises a first buffer, the first buffer is arranged at one end of the rodless cylinder, and the rodless cylinder is protected in a buffering mode.

Preferably, the clamping and overturning mechanism further comprises an installation plate, the installation plate is fixed on the first connection plate, and the left tool and the right tool are symmetrically arranged on the installation plate.

Preferably, the left tool comprises a large-opening mechanical clamp, the large-opening mechanical clamp is fixed on the mounting plate, a connecting block is symmetrically arranged at two ends of the large-opening mechanical clamp, a swinging finger is arranged on the connecting block, a clamping block is arranged on the swinging finger through a swinging plate, the large-opening mechanical clamp is used for driving the two clamping blocks on the connecting block to cooperatively clamp a workpiece, and the swinging plate drives the clamping blocks to turn over under the driving of the swinging finger.

Preferably, the structure of the right tool is the same as that of the left tool.

Preferably, the left tool further comprises a second buffer and a second buffer mounting seat, and the second buffer is arranged at the end part of the large-opening mechanical clamp.

Preferably, the laser marking machine is fixed on the working platform through a laser marking machine mounting component, the laser marking machine mounting component comprises a mounting floor and a mounting upright post, the mounting upright post is fixed on the working platform through the mounting floor, a second connecting plate is arranged on the mounting upright post, a third connecting plate is arranged on the second connecting plate, and a supporting plate for supporting the laser marking machine is arranged on the third connecting plate.

The invention also provides a double-station double-sided automatic laser marking method, which is characterized by comprising the following steps of: s1, manually adjusting the height of a laser head of the laser marking machine, initializing the equipment, enabling a left tool to be located at a left loading and unloading position, enabling a right tool to be located at a marking station, opening a large-opening mechanical clamp, and enabling a swing finger to return to zero;

s2, loading the left tool at a left loading and unloading position, ventilating a large-opening mechanical clamp of the left tool, clamping the workpiece by a clamping block, and finishing the loading of the left tool;

s3, positioning is carried out by the marking positioning table, the rodless cylinder moves rightwards to enable the left tool to be located at a marking station, the right tool is located at a right loading and unloading position, and positioning is finished;

s4, marking is carried out by a laser marking machine, the laser marking machine marks the front side of the workpiece on the left tool at the marking station, and meanwhile, the right tool carries out feeding at the right loading and unloading station;

s5, after the marking of the front face of the workpiece on the left tool is finished, the rodless cylinder moves leftwards to enable the left tool to be located at a left loading and unloading position, the right tool is located at a marking station, and the positioning is finished;

s6, turning the workpiece by the left tool, ventilating a swing finger on the left tool, driving a swing plate to turn 180 degrees to enable the workpiece to complete turning, and marking the front side of the workpiece on the right tool at the marking station by the laser marking machine;

s7, after the marking of the front face of the workpiece on the right tool is finished, the rodless cylinder moves rightwards, so that the left tool is located at a marking station, the right tool is located at a right loading and unloading position, and the positioning is finished;

s8, marking the back side of the workpiece on the left tool at the marking station by the laser marking machine, and turning the workpiece by the right tool at the right loading and unloading station;

s9, after the marking of the back surface of the workpiece on the left tool is finished, the rodless cylinder moves leftwards to enable the left tool to be in a left loading and unloading position, the right tool is in a marking station, and the positioning is finished;

s10, discharging and loading the left tool at the left loading and unloading position, exhausting a large-opening mechanical clamp of the left tool to enable a clamping block to loosen a workpiece, completing discharging of the left tool, ventilating the large-opening mechanical clamp of the left tool to enable the clamping block to clamp the next workpiece, completing loading, and marking the reverse side of the workpiece on the right tool at the marking station by a marking machine;

s11, after the marking of the back surface of the workpiece on the right tool is finished, a rodless cylinder of the marking positioning table moves rightwards, so that the left tool is positioned at a marking station, the right tool is positioned at a right loading and unloading position, and the positioning is finished;

s12, marking the workpiece on the left tool at the marking station on the front side by the laser marking machine, and simultaneously blanking and loading the right tool at the right loading and unloading station; and repeating the steps to complete the double-station double-sided automatic laser marking work of the workpiece.

The invention has the following beneficial effects:

1. the invention provides a double-station double-sided automatic laser marking device, which adopts double stations, can carry out double-sided laser marking on a product workpiece with high efficiency, and solves the problems of low automation degree and low efficiency of the existing laser marking method.

2. The double-station double-sided automatic laser marking device provided by the invention does not need manual work for positioning the workpiece, and solves the problems of poor manual positioning precision, low efficiency and high working labor intensity of operators.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of a double-station double-sided automatic laser marking device according to an embodiment of the present invention;

fig. 2 is a structural diagram of a marking positioning table according to an embodiment of the present invention;

FIG. 3 is a structural diagram of a clamping and overturning mechanism provided in an embodiment of the present invention;

fig. 4 is a block diagram of a laser marking mounting assembly provided by an embodiment of the present invention.

Description of reference numerals: 1. a working platform; 2. marking a positioning table; 3. clamping and turning over the mechanism; 4. a three-color indicator light; 5. laser marking machine; 6. a laser marking machine mounting component; 7. a television display screen; 21. a rodless cylinder; 22. a first connecting plate; 23. a first buffer; 24. a drag chain; 25. an electromagnetic valve; 31. mounting a plate; 32. a second buffer; 33. a second bumper mount; 34. a large-opening mechanical clamp; 35. connecting blocks; 36. swinging the fingers; 37. a swing plate; 38. a clamping block; 39. a workpiece; 61. mounting a bottom plate; 62. mounting the upright post; 63. a second connecting plate; 64. a support plate; 65. and a third connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1-4, an embodiment of the invention provides a double-station double-sided automatic laser marking device, which comprises a working platform 1, wherein a marking positioning table 2 and a laser marking machine 5 are arranged on the working platform 1, the marking positioning table 2 is used for accurately positioning a laser marking workpiece, a clamping and overturning mechanism 3 is arranged on the marking positioning table 2, the clamping and overturning mechanism 3 comprises a left tool and a right tool, the left tool and the right tool respectively clamp a workpiece 39 and are used for completing the overturning action of the workpiece 39, a marking station, a left loading and unloading station for loading and unloading the workpiece by the left tool and a right loading and unloading station for loading and unloading the workpiece by the right tool are arranged on the working platform 1, the left loading and unloading station and the right loading and unloading station are respectively positioned at two sides of the marking station, the marking positioning table 2 comprises a driving piece for driving the left tool and the right tool to be switched and positioned at the left loading and unloading station, the marking station and the right loading and unloading station, the laser marking machine 5 is fixed above the marking station and carries out automatic laser marking on the workpiece 39 on any tool of the marking station.

The left tool and the right tool are used for feeding and discharging workpieces on the left loading and unloading position and the right loading and unloading position, the left tool and the right tool respectively carry out feeding and discharging on the left loading and unloading position and the right loading and unloading position, and preferably, industrial robots can be adopted to work in a cooperative mode, so that the positioning precision and the working efficiency can be further improved, unmanned automatic laser marking operation can be realized, and the development trend of the current intelligent manufacturing industry is met.

The marking positioning table 2 comprises a rodless cylinder 21, a first connecting plate 22 and an electromagnetic valve 25, the rodless cylinder 21 is fixed on the working platform 1, the clamping and overturning mechanism 3 is fixed on the rodless cylinder 21 through the first connecting plate 22, and the electromagnetic valve 25 controls the motion start, stop and motion direction of the rodless cylinder 21 by controlling the on-off of a control air path. Marking locating platform 2 still includes tow chain 24, tow chain 24 arranges that the direction is unanimous with no pole cylinder 21 direction of motion, and the trachea is located in tow chain 24, and tow chain 24 is used for restricting tracheal direction of motion. Marking locating platform 2 still includes first buffer 23, and first buffer 23 is located the one end of no pole cylinder 21, plays the buffering guard action to no pole cylinder 21.

The clamping and turning mechanism 3 further comprises a mounting plate 31, the mounting plate 31 is fixed on the first connecting plate 22, and the left tool and the right tool are symmetrically arranged on the mounting plate 31.

The left tool comprises a large-opening mechanical clamp 34, the large-opening mechanical clamp 34 is fixed on the mounting plate 31, a connecting block 35 is symmetrically arranged at two ends of the large-opening mechanical clamp 34, a swinging finger 36 is installed on the connecting block 35, a clamping block 38 is installed on the swinging finger 36 through a swinging plate 37, the large-opening mechanical clamp 34 is used for driving two clamping blocks 38 on the connecting block 35 to clamp a workpiece 39 in a cooperative mode, the swinging plate 37 drives the clamping block 38 to turn over under the driving of the swinging finger 36, the swinging finger 36 adopts a rotary air cylinder, the swinging plate 37 is driven to turn over after the swinging finger 36 is ventilated, the swinging plate 37 drives the clamping block 38 to turn over, and the two clamping blocks 38 simultaneously turn over to complete the turning action of the workpiece 39. The left tool further comprises a second buffer 32 and a second buffer mounting seat 33, and the second buffer 32 is arranged at the end part of the large-opening mechanical clamp 34. The structure of the right tool is the same as that of the left tool.

Laser marking machine 5 is fixed in through laser marking machine installation component 6 on work platform 1, laser marking machine installation component 6 is including installation floor 61 and installation stand 62, installation stand 62 is fixed in through installation floor 61 on the work platform 1, be equipped with second connecting plate 63 on the installation stand 62, be equipped with third connecting plate 65 on the second connecting plate 63, be equipped with the backup pad 64 that is used for supporting laser marking machine 5 on the third connecting plate 65. The laser marking machine 5 further comprises a television display screen 7, and the television display screen 7 is arranged on the mounting upright column 62.

Still be equipped with tristimulus designation lamp 4 on work platform 1, tristimulus designation lamp 4 is used for indicating the automatic operating condition of workstation, if the jamming appears or certain equipment break down wherein, operation flow break down in the operation process, all has corresponding light colour to show in tristimulus designation lamp 4 department.

As shown in fig. 1, an embodiment of the invention provides a double-station double-sided automatic laser marking device, which comprises a working platform 1, wherein a marking positioning table 2, a clamping turnover mechanism 3, a laser marking machine 5 and a three-color indicator lamp 4 are fixed on the working platform 1, the marking positioning table 2 is connected with the clamping turnover mechanism 3 through a first connecting plate 22, a rodless cylinder 21 of the marking positioning table 2 drives a left tool and a right tool of the clamping turnover mechanism 3 to switch and position among a left loading and unloading position, a marking station and a right loading and unloading position, the laser marking machine 5 is fixed above the marking station, and performs automatic laser marking on a workpiece 39 on any tool of the marking station, so that the positioning, clamping and marking processes of the workpiece 39 can be automatically completed with high efficiency and high quality.

As shown in fig. 2, the marking positioning table 2 comprises a rodless cylinder 21, a first connecting plate 22, a first buffer 23, a drag chain 24 and a solenoid valve 25, the rodless cylinder 21 is fixed on the working platform 1, the first connecting plate 22 is fixed on the rodless cylinder 21, the first buffer 23 is disposed at the left end of the rodless cylinder 21, the arrangement direction of the drag chain 24 is consistent with the movement direction of the rodless cylinder 21, the electromagnetic valve 25 controls the movement start, stop and movement direction of the rodless cylinder 21 by controlling the on-off of the air passage, the drag chain 24 is used for limiting the moving direction of the air pipe, the first connecting plate 22 is used for connecting the rodless cylinder 21 and the clamping and overturning mechanism 3, the rodless cylinder 21 is responsible for driving the workpiece 39 to be switched between a loading and unloading station and a marking station, and the clamping and overturning mechanism 3 is responsible for clamping the workpiece 39 and completing the turnover action, so that the accurate positioning and conveying of the laser marking workpiece 39 can be realized.

As shown in fig. 3, the clamping and turning mechanism 3 includes a mounting plate 31, a left tool and a right tool, the mounting plate 31 is fixed on the first connecting plate 22, and the left tool and the right tool are symmetrically disposed on the mounting plate 31. The left tool comprises a wide-mouth mechanical clamp 34, a second buffer 32, a second buffer mounting seat 33, a connecting block 35, a swinging finger 36, a swinging plate 37 and a clamping block 38, the wide-mouth mechanical clamp 34 is fixed on a mounting plate 31, the second buffer 32 is arranged at the end part of the wide-mouth mechanical clamp 34, the connecting blocks 35 are symmetrically arranged at two ends of the wide-mouth mechanical clamp 34, the swinging finger 36 is arranged on the symmetrically-arranged connecting block 35, the swinging plate 37 is arranged on the swinging finger 36, the clamping block 38 is arranged on the swinging plate 37, the wide-mouth mechanical clamp 34 is responsible for clamping a workpiece 39, the swinging finger 36 is responsible for driving the swinging plate 37 to turn over, the swinging plate 37 drives the clamping block 38 to turn over, the two clamping blocks 38 simultaneously turn over to complete the turn-over action of the workpiece 39, and the specific structures and working principles of the swinging finger 36, the swinging plate 37 and the clamping block 38 are the prior art, and will not be described in detail herein. The right tool structural design is the same as that of the left tool structural design, the left tool and the right tool are symmetrically fixed on the mounting plate, and the left tool and the right tool are used for clamping the workpiece 39 and completing turn-over.

As shown in fig. 4, the mounting assembly 6 includes a mounting base plate 61, a mounting column 62, a third connecting plate 65, a supporting plate 64, and a second connecting plate 63, the mounting base plate 61 is fixed on the working platform 1, the mounting column 62 is fixed on the mounting base plate 61, the mounting column 62 is provided with the second connecting plate 63, the second connecting plate 63 is provided with the third connecting plate 65, the third connecting plate 65 is provided with the supporting plate 64, and the supporting plate 64 is used for supporting the laser marking machine 5.

Preferably, the clamping and overturning mechanism 3 can customize a dedicated clamping block 38 for clamping and positioning the workpiece 39 according to the size and shape of different workpieces 39, and a corresponding industrial robot gripper clamp can also be provided with a corresponding quick-change head, so that the clamp can be automatically switched when different workpieces 39 are switched for laser marking, and the automation degree of a production line is improved.

The workflow of the present invention is explained below:

firstly, manually adjusting the height of a laser head of a laser marking machine 5, initializing equipment, enabling a left tool to be at a left loading and unloading position, enabling a right tool to be at a marking station, enabling each air claw to be opened (a large-opening mechanical clamp 34 is opened), enabling a swinging finger 36 to return to zero, enabling the left tool to be loaded at the left loading and unloading position, enabling the large-opening mechanical clamp 34 of the left tool to ventilate, enabling a clamping block 38 to clamp a workpiece 39, completing loading of the left tool, positioning a marking positioning table 2, enabling a rodless cylinder 21 to move rightwards to enable the left tool to be at the marking station, enabling the right tool to be at a right loading and unloading position, completing positioning, enabling the laser marking machine 5 to mark, enabling the laser marking machine 5 to perform front marking on the workpiece 39 on the left tool at the marking station, enabling the right tool to be at the right loading and unloading position, enabling the left tool to be at the left loading and unloading position after front marking of the workpiece 39 on the left tool is completed, after positioning is completed, the left tool turns over the workpiece 39, the swing finger 36 on the left tool is ventilated to drive the swing plate 37 to turn over by 180 degrees, so that the workpiece 39 completes turning over, and meanwhile, the laser marking machine 5 performs front marking on the workpiece 39 on the right tool at the marking station, so that the front laser marking process of the double-station workpiece 39 is completed.

After the marking of the front surface of the workpiece on the right tool is finished, the rodless cylinder 21 moves rightwards, the left tool is positioned at a marking station, the right tool is positioned at a right loading and unloading position, the positioning is finished, the laser marking machine 5 marks the back surface of the workpiece 39 on the left tool positioned at the marking station, meanwhile, the right tool performs the turn-over action on the workpiece 39 at the right loading and unloading position, after the marking of the back surface of the workpiece 39 on the left tool is finished, the rodless cylinder 21 moves leftwards, the left tool is positioned at the left loading and unloading position, the right tool is positioned at the marking station, the left tool performs the blanking and the feeding at the left loading and unloading position, the large-opening mechanical clamp 34 of the left tool exhausts to enable the clamping block 38 to clamp the next workpiece 39, the blanking of the left tool is finished, the large-opening mechanical clamp 34 of the left tool is ventilated to enable the clamping block 38 to clamp the next workpiece 39, the feeding is finished, and the marking of the workpiece 39 on the right tool positioned at the marking station is simultaneously performed by the marking machine, thus, the reverse side laser marking process of the double-station workpiece 39 is completed.

After the reverse marking of the workpiece 39 on the right tool is finished, the rodless cylinder 21 of the marking positioning table 2 moves rightwards, so that the left tool is positioned at a marking station, the right tool is positioned at a right loading and unloading position, the positioning is finished, the laser marking machine 5 performs the front marking on the workpiece 39 on the left tool at the marking station, and meanwhile, the right tool performs blanking and loading at the right loading and unloading position; and repeating the steps to finish the double-station double-sided automatic laser marking work of the workpiece 39.

Marking location platform 2 is used for the accurate location of laser marking work piece, press from both sides tight tilting mechanism 3 and include mounting panel 31, left frock and right frock, press from both sides tight tilting mechanism 3 and be used for pressing from both sides tight work piece and accomplish the work piece turn-over action, laser marking machine 5 includes marking machine body, marking machine installation component 6 and TV display screen 7, marking machine installation component 6 is arranged in to the marking machine body, marking machine installation component 6 is arranged in on work platform 1, TV display screen 7 is arranged in on marking machine installation component 6. The invention can meet the automation requirement of double-sided laser marking on workpieces in the manufacturing industry and can also improve the positioning precision and the working efficiency of automatic laser marking.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.