A kind of PLC module laser etching equipment

Abstract

The utility model discloses a kind of PLC module laser etching equipment, including up and down material disc device, secondary positioning device, CCD detection device, laser etching instrument, and for moving and loading PLC module, laser etching manipulator is taken material;The up and down material disc device includes parallelly arranged feeding disc mechanism and discharging disc mechanism, and is used to move and load empty tray on feeding disc mechanism to empty tray mechanism of discharging disc mechanism;The feeding disc mechanism is used to feed and position tray, and discharging disc mechanism is used to discharge and position tray;The secondary positioning device is used to position PLC module.The utility model is cooperated by setting up and down material disc device, secondary positioning device, CCD detection device, laser etching instrument, material taking manipulator, laser etching manipulator, and overall structure is compact, realizes the automation operation from up and down material, positioning, laser etching, detection, high-speed stable marking, reduces artificial intervention and promotes consistency.

Description

Technical Field

[0001] This utility model relates to the field of laser engraving technology for PLC modules, and in particular to a laser engraving device for PLC modules. Background Technology

[0002] During mass production, PLC modules need to be marked with external markings (such as QR codes, logos, characters, and patterns) on their casing.

[0003] In existing technologies, pad printing is mostly used for external marking of PLC module casings. However, pad printing for PLC module casing marking has the following drawbacks: it requires regular ink replenishment, requires drying after printing before subsequent processes, is prone to scratching, typically only one surface can be processed per workstation, occupies a large space, resulting in limited cycle time and yield, and requires significant manual intervention. Utility Model Content

[0004] The purpose of this utility model is to provide a PLC module laser engraving equipment. By setting up a loading and unloading tray device, a secondary positioning device, a CCD detection device, a laser engraving instrument, a material handling robot, and a laser engraving robot working together, the overall structure is compact and realizes automated operation from loading and unloading, positioning, laser engraving, and detection. It can mark at high speed and stably, reduce human intervention, and improve consistency.

[0005] To achieve the above objectives, the following technical solution is adopted: A PLC module laser engraving device includes a loading / unloading tray device, a secondary positioning device, a CCD detection device, a laser engraving instrument, and a material handling robot and a laser engraving robot for transferring the PLC module. The loading / unloading tray device includes a loading tray mechanism and a unloading tray mechanism arranged in parallel, and an empty tray mechanism for transferring an empty tray from the loading tray mechanism to the unloading tray mechanism. The loading tray mechanism is used for loading and positioning the tray, and the unloading tray mechanism is used for unloading and positioning the tray. The secondary positioning device is used for positioning the PLC module. The material handling robot is used for transferring the PLC module from the loading tray mechanism to the secondary positioning device and from the secondary positioning device to the unloading tray mechanism. The laser engraving robot is used for sequentially transferring the PLC module from the secondary positioning device to the laser engraving instrument and the CCD detection device, and transferring it back to the secondary positioning device.

[0006] Preferably, both the loading tray mechanism and the unloading tray mechanism include a conveyor belt line arranged in a horizontal direction, a lifting module located at the end of the conveyor belt line, and a tray positioning module located above the conveyor belt line; the lifting module is arranged in a vertical direction, and the tray positioning module is located close to the lifting module; the tray positioning module includes a first corner positioning component located on the side away from the lifting module, and one side positioning components located on opposite sides between the first corner positioning component and the lifting module.

[0007] Preferably, the loading tray mechanism and the unloading tray mechanism each include a plurality of lifting guide rods arranged in a vertical direction; the plurality of lifting guide rods are distributed on one side of the lifting module and the side positioning component, and are used to guide the lifting of the tray.

[0008] Preferably, the lifting module includes a lifting frame installed vertically, a lifting screw and a lifting guide assembly installed on the lifting frame, a lifting tray connected to the lifting screw, and a tray lifting drive for driving the lifting screw to lift the tray; the lifting tray is arranged horizontally and is used to lift the tray on the conveyor belt to the tray positioning module or to lift the tray on the tray positioning module to the conveyor belt.

[0009] Preferably, the empty tray mechanism includes a transport suction cup, a lifting and transporting assembly for driving the transport suction cup to rise and fall, and a horizontal transporting assembly for driving the transport suction cup to move between the loading tray mechanism and the unloading tray mechanism; the horizontal transporting assembly is arranged from one side of the loading tray mechanism to the other side of the unloading tray mechanism.

[0010] Preferably, the secondary positioning device includes a secondary positioning platform and at least one secondary positioning mechanism disposed on the top of the secondary positioning platform; the secondary positioning mechanism includes at least one positioning reference block disposed on each of the adjacent sides, a positioning push component disposed on the other side, and a second corner positioning component disposed away from the positioning reference block; the positioning push component and the second corner positioning component are used to push the PLC module toward the positioning reference block for positioning.

[0011] Preferably, the material handling robot includes a four-axis robot and at least one material handling gripper mechanism located at the end of the four-axis robot's execution end.

[0012] Preferably, the laser engraving robot includes a six-axis robot and at least one laser engraving gripper mechanism located at the end of the six-axis robot's execution end.

[0013] Preferably, the material handling gripper mechanism and the laser engraving gripper mechanism both include grippers, an opening and closing drive for driving the grippers to open and close, and a gripper lifting drive for driving the grippers to rise and fall.

[0014] By adopting the above solution, the beneficial effects of this utility model are: This invention provides a PLC module laser engraving equipment. Through the coordinated operation of a loading / unloading tray device, a secondary positioning device, a CCD detection device, a laser engraving instrument, a material handling robot, and a laser engraving robot, the overall structure is compact, achieving automated operation from loading / unloading, positioning, laser engraving, and detection. It enables high-speed and stable marking, reduces human intervention, and improves consistency. Furthermore, the laser engraving robot can perform laser engraving on multiple surfaces of the PLC module shell simultaneously, and the secondary positioning device improves the positioning accuracy of the PLC module, thereby significantly increasing the laser engraving yield of the PLC module. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present utility model; Figure 2 This is a structural layout diagram of the present invention; Figure 3 This is a perspective view of the loading and unloading tray device of this utility model; Figure 4 This is a perspective view of the feeding / unloading mechanism of this utility model; Figure 5 This is a perspective view of the tray positioning module of this utility model; Figure 6 This is a perspective view of the empty tray mechanism of this utility model; Figure 7 This is a perspective view of the secondary positioning device of this utility model; Figure 8 This is a perspective view of the material handling robot of this utility model; Figure 9 This is a three-dimensional view of the laser engraving robot of this utility model; The following are explanations of the labels in the attached diagram: 1—Loading and unloading tray device; 2—Secondary positioning device. 3—CCD inspection device, 4—laser engraving instrument 5—Material handling robot, 6—Laser engraving robot, 7—Frame, 8—Packet 9—PLC module, 11—Feeding tray mechanism 12—Feeding tray mechanism, 13—Empty tray mechanism, 21—Secondary positioning platform, 22—Positioning reference block, 23—Positioning and pushing component, 24—Second corner positioning component, 51—Four-axis robot, 61—Six-axis robot 111—Conveyor belt, 112—First corner positioning component, 113—Side positioning assembly, 114—Lifting guide rod, 115—Lifting frame, 116—Lifting guide assembly, 117—Lifting pallet, 118—Plate lifting drive unit, 131—Transfer suction cup, 132—Lifting and transfer assembly, 133—Horizontal conveying assembly, 511—Gripper, 512—Opening and closing drive component; 513—Gripper lifting drive component. Detailed Implementation

[0016] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0017] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0018] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0019] Reference Figures 1 to 9As shown, this utility model provides a PLC module laser engraving equipment, including a loading and unloading tray device 1, a secondary positioning device 2, a CCD detection device 3, a laser engraving instrument 4, and a material handling robot 5 and a laser engraving robot 6 for transferring PLC modules 9; the loading and unloading tray device 1 includes a loading tray mechanism 11 and a unloading tray mechanism 12 arranged in parallel, and an empty tray mechanism 13 for transferring an empty tray 8 from the loading tray mechanism 11 to the unloading tray mechanism 12; the loading tray mechanism 11 is used for loading and positioning the tray 8, and the unloading tray mechanism 12 is used for unloading and positioning the tray 8; the secondary positioning device 2 is used for positioning the PLC module 9; the material handling robot 5 is used for transferring the PLC module 9 from the loading tray mechanism 11 to the secondary positioning device 2, and from the secondary positioning device 2 to the unloading tray mechanism 12; the laser engraving robot 6 is used for sequentially transferring the PLC module 9 from the secondary positioning device 2 to the laser engraving instrument 4 and the CCD detection device 3, and transferring it back to the secondary positioning device 2.

[0020] The loading tray mechanism 11 and unloading tray mechanism 12 each include a horizontally arranged conveyor belt 111, a lifting module located at the end of the conveyor belt 111, and a tray positioning module located above the conveyor belt 111. Further, the conveyor belt 111 includes a conveyor belt and a motor for driving the conveyor belt. The lifting module is arranged vertically, and the tray positioning module is positioned close to the lifting module. The tray positioning module includes a first corner positioning component 112 located away from the lifting module, and side positioning components 113 located on opposite sides between the first corner positioning component 112 and the lifting module. The loading tray mechanism 11 and unloading tray mechanism 12 also each include a plurality of vertically arranged lifting guide rods 114. The plurality of lifting guide rods 114 are distributed on the side where the lifting module and side positioning components 113 are located, and are used to guide the lifting and lowering of the tray 8.

[0021] Specifically, the first corner positioning assembly 112 includes a first corner positioning block and a cylinder for driving the first corner positioning block to move horizontally. The front end face of the first corner positioning block has a groove adapted to the outer side of the corner of the tray 8. Driven by the first corner positioning drive, the first corner positioning block positions the tray 8 against the lifting guide rod 114. The side positioning assembly 113 includes a side positioning block and a cylinder for driving the side positioning block to move horizontally. With the side positioning assemblies 113 on both sides positioning the tray 8, it is clamped and positioned.

[0022] In addition, the PLC module laser engraving equipment provided by this utility model also includes a frame 7, wherein the lifting modules of the loading tray mechanism 11 and the unloading tray mechanism 12 are set through the frame 7, so that the conveyor belt line 111 is located at the bottom of the frame 7, and the secondary positioning device 2, CCD detection device 3, laser engraving instrument 4, material picking robot 5, laser engraving robot 6, and material tray positioning module are set at the top of the frame 7.

[0023] The lifting module includes a vertically mounted lifting frame 115, a lifting screw and lifting guide assembly 116 mounted on the lifting frame 115, a lifting support plate 117 connected to the lifting screw, and a tray lifting drive component 118 for driving the lifting screw to lift the lifting support plate 117. The lifting support plate 117 is arranged horizontally and is used to lift the tray 8 on the conveyor belt 111 to the tray positioning module or to lift the tray 8 on the tray positioning module to the conveyor belt 111. Specifically, the lifting guide assembly 116 includes a slide rail and a slider, and the tray lifting drive component 118 is a motor.

[0024] The empty tray mechanism 13 includes a transport suction cup 131, a lifting and transporting assembly 132 for driving the transport suction cup 131 to rise and fall, and a horizontal transporting assembly 133 for driving the transport suction cup 131 to move between the loading tray mechanism 11 and the unloading tray mechanism 12; the horizontal transporting assembly 133 is arranged from one side of the loading tray mechanism 11 to one side of the unloading tray mechanism 12. Further, the lifting and transporting assembly 132 includes a cylinder, and the horizontal transporting assembly 133 includes a motor.

[0025] The secondary positioning device 2 includes a secondary positioning platform 21 and at least one secondary positioning mechanism disposed on the top of the secondary positioning platform 21. The secondary positioning mechanism includes at least one positioning reference block 22 on each of two adjacent sides, a positioning push component 23 on the other side, and a second corner positioning component 24 disposed away from the positioning reference block 22. The positioning push component 23 and the second corner positioning component 24 are used to push the PLC module 9 towards the positioning reference block 22. Specifically, the positioning push component 23 includes a positioning block and a cylinder for driving the positioning block. In the positioning push component 23, the cylinder drives the positioning block to push the PLC module 9 towards one of the positioning reference blocks 22 to achieve clamping and positioning. The second corner positioning component 24 includes a second corner positioning block and a cylinder for driving the second corner positioning block to move horizontally. The front end face of the second corner positioning block has a groove adapted to the outer side of the corner of the tray 8. Under the drive of the second corner positioning drive component, the second corner positioning block pushes the tray 8 towards the reference positioning blocks 22 on both sides to achieve clamping and positioning.

[0026] The material handling robot 5 includes a four-axis robot 51 and at least one material handling gripper mechanism located at the end effector of the four-axis robot 51. The laser engraving robot 6 includes a six-axis robot 61 and at least one laser engraving gripper mechanism located at the end effector of the six-axis robot 61. Both the material handling gripper mechanism and the laser engraving gripper mechanism include a gripper 511, an opening and closing drive component 512 for driving the gripper 511 to open and close, and a gripper lifting drive component 513 for driving the gripper 511 to rise and fall. Specifically, the opening and closing drive component 512 and the gripper lifting drive component 513 are both cylinders.

[0027] Furthermore, the CCD inspection device 3 includes a CCD camera. Two gripper mechanisms, two laser engraving gripper mechanisms, two secondary positioning mechanisms, and two CCD cameras are included, enabling simultaneous operation on two PLC modules 9.

[0028] This utility model provides a PLC module laser engraving equipment that can establish a closed-loop process of "loading and unloading trays - precise positioning - multi-face laser engraving - visual inspection - finished product return to tray". The laser engraving robot 6 grabs the PLC module 9 and flexibly laser engraves QR codes, logos, text, patterns, etc. in the air. It can achieve long-term continuous operation without the need for manual periodic ink application, thus realizing the function of laser engraving on multiple sides of the PLC module 9 shell.

[0029] The workflow of this utility model is as follows: 1) The material tray 8 containing the PLC module 9 to be laser-engraved is transported to the feeding end of the conveyor belt 111 of the feeding tray mechanism 11. 2) The conveyor belt 111 of the loading tray mechanism 11 transports the tray 8 to one end where the lifting module is located. The lifting module of the loading tray mechanism 11 lifts the tray 8 to the tray positioning module. The tray positioning module positions the tray 8. 3) The material handling robot 5 picks up the PLC module 9 to be laser engraved from the material tray 8 of the feeding tray mechanism 11 and transfers it to the secondary positioning device 2. The secondary positioning mechanism positions the PLC module 9. 4) When the PLC module 9 on the material tray 8 of the feeding tray mechanism 11 is emptied, the empty tray mechanism 13 moves the empty material tray 8 on the feeding tray mechanism 11 to the unloading tray mechanism 12, and at the same time, the material tray positioning module on the unloading tray mechanism 12 positions the empty material tray 8. 5) The laser engraving robot 6 moves to grab the PLC module 9 from the secondary positioning mechanism and transfer it to the laser engraving instrument 4 for laser engraving operation; 6) After the laser engraving operation is completed, the laser engraving robot 6 continues to transfer the PLC module 9 to the CCD inspection device 3 for visual inspection; 7) For the qualified PLC module 9, the laser engraving robot 6 transfers the PLC module 9 to the material tray 8 of the unloading tray mechanism 12; 8) The lifting module of the unloading tray mechanism 12 lowers the tray 8 to the conveyor belt 111, and the conveyor belt 111 transports the tray 8 to the unloading end.

[0030] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model. Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the utility model and are not intended to limit the implementation of this utility model. For those skilled in the art, various obvious changes, readjustments, and substitutions can be made without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A laser engraving device for a PLC module, characterized in that, The system includes a loading / unloading tray device, a secondary positioning device, a CCD detection device, a laser engraving instrument, and a material handling robot and a laser engraving robot for transferring PLC modules. The loading / unloading tray device includes a loading tray mechanism and a unloading tray mechanism arranged in parallel, and an empty tray mechanism for transferring empty trays from the loading tray mechanism to the unloading tray mechanism. The loading tray mechanism is used for loading and positioning the trays, and the unloading tray mechanism is used for unloading and positioning the trays. The secondary positioning device is used for positioning the PLC modules. The material handling robot is used for transferring the PLC modules from the loading tray mechanism to the secondary positioning device and from the secondary positioning device to the unloading tray mechanism. The laser engraving robot is used for sequentially transferring the PLC modules from the secondary positioning device to the laser engraving instrument and the CCD detection device, and then transferring them back to the secondary positioning device.

2. The PLC module laser engraving equipment according to claim 1, characterized in that, Both the loading tray mechanism and the unloading tray mechanism include a conveyor belt line arranged in a horizontal direction, a lifting module located at the end of the conveyor belt line, and a tray positioning module located above the conveyor belt line; the lifting module is arranged in a vertical direction, and the tray positioning module is located close to the lifting module; the tray positioning module includes a first corner positioning component located on the side away from the lifting module, and one side positioning components located on opposite sides between the first corner positioning component and the lifting module.

3. The PLC module laser engraving equipment according to claim 2, characterized in that, The loading tray mechanism and the unloading tray mechanism each include a number of lifting guide rods arranged in a vertical direction; the number of lifting guide rods are distributed on one side of the lifting module and the side positioning component, and are used to guide the lifting of the tray.

4. The PLC module laser engraving equipment according to claim 2, characterized in that, The lifting module includes a lifting frame installed vertically, a lifting screw and lifting guide assembly installed on the lifting frame, a lifting tray connected to the lifting screw, and a tray lifting drive component for driving the lifting screw to lift the lifting tray. The lifting pallet is arranged horizontally and is used to lift the material trays on the conveyor belt to the material tray positioning module or to lift the material trays on the material tray positioning module to the conveyor belt.

5. The PLC module laser engraving equipment according to claim 1, characterized in that, The empty tray mechanism includes a transport suction cup, a lifting and transporting assembly for driving the transport suction cup to rise and fall, and a horizontal transporting assembly for driving the transport suction cup to move between the upper tray mechanism and the lower tray mechanism; the horizontal transporting assembly is arranged from one side of the upper tray mechanism to the other side of the lower tray mechanism.

6. The PLC module laser engraving equipment according to claim 1, characterized in that, The secondary positioning device includes a secondary positioning platform and at least one secondary positioning mechanism disposed on the top of the secondary positioning platform; the secondary positioning mechanism includes at least one positioning reference block disposed on each of the adjacent sides, a positioning push component disposed on the other side, and a second corner positioning component disposed away from the positioning reference block; the positioning push component and the second corner positioning component are used to push the PLC module toward the positioning reference block for positioning.

7. The PLC module laser engraving equipment according to claim 1, characterized in that, The material handling robot includes a four-axis robot and at least one material handling gripper mechanism located at the end of the four-axis robot's execution end.

8. The PLC module laser engraving equipment according to claim 7, characterized in that, The laser engraving robot includes a six-axis robot and at least one laser engraving gripper mechanism located at the end of the six-axis robot's execution end.

9. The PLC module laser engraving equipment according to claim 8, characterized in that, Both the material handling gripper mechanism and the laser engraving gripper mechanism include grippers, an opening and closing drive for driving the grippers to open and close, and a gripper lifting drive for driving the grippers to rise and fall.

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