Auxiliary positioning device for ultraviolet laser marking machine
By designing the positioning auxiliary device of the ultraviolet laser marking machine, and automatically adjusting the marking path and position using visual recognition or sensor technology, the problem of degradation of positioning accuracy caused by wear of mechanical components is solved, and high-precision positioning and extending the service life of the equipment are achieved.
Patent Information
- Application Number
- CN202510284267.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2025-05-06
AI Technical Summary
The mechanical components of ultraviolet laser marking machines such as sliders, guide rails, etc. may wear after long-term use, resulting in a decrease in positioning accuracy, deviation in marking positions, and looseness of the mechanical connection parts affects the accuracy of positioning.
A positioning auxiliary device for ultraviolet laser marking machine is designed, including a fixed cabinet, a workbench and a marking assembly. Through advanced visual recognition or sensor technology, the shape and position changes of the workpiece are sensed in real time, and the marking path and position are automatically adjusted to make the marking always fit with the surface of the workpiece.
High-precision positioning is achieved to ensure that the deviation between the marking position and the preset position is extremely small, avoiding offset affecting the appearance and performance of the product, extending the service life of the equipment, and improving the working efficiency of the marking machine.
Smart Images

Figure CN119927481A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of mechanical equipment, in particular to a positioning auxiliary device for an ultraviolet laser marking machine. Background Art
[0002] In the field of modern industrial production and fine processing, UV laser marking machines are widely used in the identification and engraving of electronic components, medical devices, jewelry and other products due to their advantages of high precision and low heat-affected zone. However, to give full play to their performance and achieve precise marking, positioning is crucial. The positioning auxiliary device of the UV laser marking machine is a key supporting equipment designed to optimize the positioning process and improve marking accuracy.
[0003] The mechanical parts of the device, such as sliders and guide rails, may wear out after long-term use, resulting in reduced positioning accuracy and deviation in the marking position. Looseness of mechanical connections will also affect the accuracy of positioning. For example, loose screws will change the relative positions of components. For this reason, we proposed a positioning auxiliary device for UV laser marking machines. Summary of the invention
[0004] The purpose of the present invention is to provide a positioning auxiliary device for an ultraviolet laser marking machine, so as to solve the problem that the mechanical parts of the device proposed in the above background technology, such as sliders, guide rails, etc., may wear out after long-term use, resulting in a decrease in positioning accuracy and deviation in the marking position. The loosening of the mechanical connection parts will also affect the accuracy of positioning. For example, loose screws will cause the relative positions between the parts to change. In order to achieve the above purpose, the present invention provides the following technical solutions: A positioning auxiliary device for an ultraviolet laser marking machine, comprising a fixed cabinet, the interior of the fixed cabinet is fixedly connected to an electric cabinet, the top of the fixed cabinet is fixedly connected to a workbench, and a marking component is arranged on the top of the workbench. The marking component includes a fixed frame, the fixed frame is fixedly connected to the top of the fixed cabinet, and the outer walls around the fixed frame are respectively provided with sliding grooves, one of the sliding grooves is internally movably connected to a limiting frame, and the top of the limiting frame is fixedly connected to an identification member, and the other sliding groove is internally movably connected to a sliding frame, and the sliding frame is internally movably connected to There is a cooling fan, one side of the sliding frame is fixedly connected to a connecting block, one side of the connecting block is fixedly connected to a galvanometer, one side of the galvanometer is fixedly connected to a field mirror, the bottom of the field mirror is fixedly connected to a marking head, and a classification component is arranged on the top of the workbench, which can achieve high-precision positioning, ensure that the deviation between the marking position and the preset position is extremely small, ensure that the mark is accurately located in the specified area of the screen, and will not be offset to affect the appearance and performance of the product. Through advanced visual recognition or sensor technology, the shape and position changes of the workpiece can be perceived in real time, and the marking path and position can be automatically adjusted to make the marking always fit the surface of the workpiece, thereby ensuring the marking quality and accuracy.
[0005] Further preferably, the classification component includes a fixed bracket, the fixed bracket is fixedly connected to the top of the workbench, the top of the fixed bracket is fixedly connected with a connecting frame, a connecting slide groove is provided inside the connecting frame, a limiting slide rod is fixedly connected inside the connecting slide groove, and the side surface of the limiting slide rod is located inside the connecting slide groove and is movably connected with a clearance frame.
[0006] Further preferably, an extension frame is fixedly connected to one side of the connecting frame, a camera is fixedly connected to one side of the extension frame, and a fixing groove is provided inside the air avoidance frame.
[0007] Further preferably, a movable slide block is movably connected inside the fixed groove, a clamping claw is fixedly connected to the bottom of the movable slide block, and a conveying assembly is arranged on the top of the workbench.
[0008] Further preferably, the conveying assembly includes a support plate, the support plate is fixedly connected to the top of the workbench, and four support legs are fixedly connected to the bottom of the support plate, and the four support legs are symmetrically distributed at the bottom of the support plate.
[0009] Further preferably, the top of the support plate is movably connected to a transmission belt, the interior of the transmission belt is movably connected to two rotating shafts, the two rotating shafts are symmetrically distributed inside the transmission belt, one side of the rotating shaft is fixedly connected to a driving motor, and one side of the limit frame is provided with an auxiliary component.
[0010] Further preferably, the auxiliary component includes a limit frame, the limit frame is fixedly connected to one side of the limit frame and the limit frame is located on the top of the transmission belt, a fixing block is fixedly connected between the limit frames, and a limit hole is opened on one side of the limit frame.
[0011] Further preferably, four support seats are fixedly connected to the bottom of the fixed cabinet, and the four support seats are symmetrically distributed at the bottom of the fixed cabinet, and a pressure sensor is fixedly connected to the top of the workbench.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] In the present invention, high-precision positioning can be achieved to ensure that the deviation between the marking position and the preset position is extremely small, and the mark is accurately located in the specified area of the screen without offset that affects the product appearance and performance. Through advanced visual recognition or sensor technology, the shape and position changes of the workpiece can be sensed in real time, and the marking path and position can be automatically adjusted so that the marking is always in contact with the surface of the workpiece, thereby ensuring the marking quality and accuracy.
[0014] In the present invention, the positioning and alignment operations of the workpiece can be completed quickly without the operator having to perform tedious manual adjustments, which greatly saves positioning time, improves the working efficiency of the marking machine, avoids the time and materials wasted by repeated marking, and avoids direct contact and friction with the workpiece, thereby reducing the wear of mechanical parts, reducing the incidence of equipment failures, and extending the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the three-dimensional main structure of the present invention;
[0016] Figure 2 It is a schematic diagram of the side-view stereoscopic structure of the present invention;
[0017] Figure 3 For the present invention Figure 2 The enlarged structural diagram at A in the middle;
[0018] Figure 4 For the present invention Figure 2 The enlarged structural diagram at B in the middle;
[0019] Figure 5 It is a schematic diagram of the front view of the three-dimensional structure of the present invention;
[0020] Figure 6 It is a schematic diagram of the local three-dimensional structure of the present invention.
[0021] In the figure: 1, fixed cabinet; 2, electric cabinet; 3, workbench; 4, marking component; 5, classification component; 6, transmission component; 7, support seat; 8, auxiliary component; 9, pressure sensor; 401, fixed frame; 402, sliding slot; 403, limit bracket; 404, identification piece; 405, sliding frame; 406, cooling fan; 407, connecting block; 408, galvanometer; 409, field lens; 410, marking head; 501 , fixed bracket; 502, connecting frame; 503, connecting slide groove; 504, limiting slide rod; 505, extension frame; 506, camera; 507, air avoidance frame; 508, fixed groove; 509, movable slider; 510, clamping claw; 601, supporting leg; 602, supporting plate; 603, rotating shaft; 604, transmission belt; 605, driving motor; 801, limiting frame; 802, fixing block; 803, limiting hole. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the present invention.
[0023] See also Figure 1-Figure 6 The present invention provides a technical solution: a positioning auxiliary device for an ultraviolet laser marking machine, comprising a fixed cabinet 1, wherein an electric cabinet 2 is fixedly connected inside the fixed cabinet 1, a workbench 3 is fixedly connected to the top of the fixed cabinet 1, a marking component 4 is arranged on the top of the workbench 3, the marking component 4 comprises a fixed frame 401, the fixed frame 401 is fixedly connected to the top of the fixed cabinet 1, sliding grooves 402 are respectively opened on the outer walls around the fixed frame 401, one of the sliding grooves 402 is internally movably connected to a limiting bracket 403, the top of the limiting bracket 403 is fixedly connected to an identification member 404, another sliding groove 402 is internally movably connected to a sliding frame 405, the sliding frame 405 is internally movably connected to a cooling fan 406, one side of the sliding frame 405 is fixedly connected to a connecting block 407, one side of the connecting block 407 is fixedly connected to a galvanometer 408, one side of the galvanometer 408 is fixedly connected to a field lens 409, the bottom of the field lens 409 is fixedly connected to a marking head 410, and a classification component 5 is arranged on the top of the workbench 3. , the parts to be marked are placed on the transmission belt 604, and the driving motor 605 is started to drive the rotating shaft 603 to rotate, so that the rotating shaft 603 drives the transmission belt 604 to rotate, so that the parts on the transmission belt 604 are transported forward, and the auxiliary component 8 is used to position the parts one by one, and the fixed block 802 and the limit frame 801 are used to separate them into different areas. At the same time, the identification part 404 recognizes that the part reaches the bottom of the marking head 410, and the pressure sensor 9 is used to detect to ensure that the part reaches the specified position, and then the galvanometer 408 and the field lens 409 drive the marking head 410 to mark, which can achieve high-precision positioning, ensure that the deviation between the marking position and the preset position is extremely small, ensure that the mark is accurately located in the specified area of the screen, and will not be offset to affect the appearance and performance of the product. Through advanced visual recognition or sensor technology, the shape and position changes of the workpiece are perceived in real time, and the marking path and position are automatically adjusted, so that the marking is always in contact with the surface of the workpiece, ensuring the marking quality and accuracy.
[0024] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the classification component 5 includes a fixed bracket 501, which is fixedly connected to the top of the workbench 3, and a connecting frame 502 is fixedly connected to the top of the fixed bracket 501. A connecting slide groove 503 is provided inside the connecting frame 502, and a limiting slide rod 504 is fixedly connected inside the connecting slide groove 503. The side surface of the limiting slide rod 504 is located inside the connecting slide groove 503 and is movably connected to a clearance frame 507. An extension frame 505 is fixedly connected to one side of the connecting frame 502, and a camera 506 is fixedly connected to one side of the extension frame 505. A fixed groove 508 is provided inside the clearance frame 507, and a movable slider 509 is movably connected inside the fixed groove 508. A clamping claw 510 is fixedly connected to the bottom of the movable slider 509, and a conveying component 6 is provided on the top of the workbench 3.
[0025] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the transmission assembly 6 includes a support plate 602, which is fixedly connected to the top of the workbench 3, and four support legs 601 are fixedly connected to the bottom of the support plate 602, and the four support legs 601 are symmetrically distributed at the bottom of the support plate 602. A transmission belt 604 is movably connected to the top of the support plate 602, and the inside of the transmission belt 604 is movably connected to two rotating shafts 603, and the two rotating shafts 603 are symmetrically distributed inside the transmission belt 604. A driving motor 605 is fixedly connected to one side of the rotating shaft 603. An auxiliary component 8 is provided on one side of the limit bracket 403, and the auxiliary component 8 includes a limit bracket 801, the limit bracket 801 is fixedly connected to one side of the limit bracket 403 and the limit bracket 801 is located on the top of the transmission belt 604, a fixed block 802 is fixedly connected between the limit brackets 801, and a limit hole 803 is opened on one side of the limit bracket 403. Four support seats 7 are fixedly connected to the bottom of the fixed cabinet 1, and the four support seats 7 are symmetrically distributed at the bottom of the fixed cabinet 1. A pressure sensor 9 is fixedly connected to the top of the workbench 3.
[0026] The use method and advantages of the present invention: When the positioning auxiliary device of the ultraviolet laser marking machine is used, the working process is as follows:
[0027] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, when using the positioning auxiliary device of the ultraviolet laser marking machine, first, the parts to be marked are placed on the transmission belt 604, and at the same time, the driving motor 605 is started to drive the rotating shaft 603 to rotate, so that the rotating shaft 603 drives the transmission belt 604 to rotate, so that the parts on the transmission belt 604 are transported forward, and at the same time, the parts are positioned one by one through the auxiliary component 8, and are separated into different areas by the fixed block 802 and the limit frame 801. At the same time, the identification member 404 recognizes that the part reaches the bottom of the marking head 410, and the pressure sensor 9 is used to detect to ensure that the part reaches the specified position. The marking head 410 is driven by the galvanometer 408 and the field lens 409 to mark, which can achieve high-precision positioning, ensure that the deviation between the marking position and the preset position is extremely small, and ensure that the mark is accurately located in the specified area of the screen, and there will be no offset that affects the appearance of the product. The appearance and performance of the machine are improved. Through advanced visual recognition or sensor technology, the shape and position changes of the workpiece can be sensed in real time, and the marking path and position can be automatically adjusted so that the marking always fits the surface of the workpiece, ensuring the marking quality and accuracy. At the same time, in the process of using the auxiliary component 8 for classification, some parts may not be accurately positioned and need to be clamped by the clamp 510 for part adjustment. The position of the clamp 510 can be adjusted by moving the clearance frame 507 and the movable slider 509, which can quickly complete the positioning and alignment operations of the workpiece without the operator having to perform tedious manual adjustments, greatly saving positioning time, improving the working efficiency of the marking machine, avoiding the time and material wasted by repeated marking, and avoiding direct contact and friction with the workpiece, thereby reducing the wear of mechanical parts, reducing the incidence of equipment failures, and extending the service life of the equipment.
[0028] The above shows and describes the basic principles, main features and advantages of the present invention. Technical personnel in this industry should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.
Claims
1. A positioning auxiliary device for an ultraviolet laser marking machine, comprising a fixed cabinet (1), characterized in that: The interior of the fixed cabinet (1) is fixedly connected to an electric cabinet (2); the top of the fixed cabinet (1) is fixedly connected to a workbench (3); a marking assembly (4) is arranged on the top of the workbench (3); the marking assembly (4) comprises a fixed frame (401); the fixed frame (401) is fixedly connected to the top of the fixed cabinet (1); sliding grooves (402) are respectively provided on the outer walls around the fixed frame (401); a limiting bracket (403) is movably connected to the interior of one of the sliding grooves (402); the top of the limiting bracket (403) is fixedly connected to a marking assembly (4). Another sliding groove (402) is internally movably connected to a sliding frame (405), the sliding frame (405) is internally movably connected to a cooling fan (406), one side of the sliding frame (405) is fixedly connected to a connecting block (407), one side of the connecting block (407) is fixedly connected to a galvanometer (408), one side of the galvanometer (408) is fixedly connected to a field lens (409), the bottom of the field lens (409) is fixedly connected to a marking head (410), and a classification component (5) is arranged on the top of the workbench (3).
2. The positioning auxiliary device for an ultraviolet laser marking machine according to claim 1, characterized in that: The classification component (5) includes a fixed bracket (501), the fixed bracket (501) is fixedly connected to the top of the workbench (3), the top of the fixed bracket (501) is fixedly connected to a connecting frame (502), a connecting slide groove (503) is provided inside the connecting frame (502), a limiting slide rod (504) is fixedly connected inside the connecting slide groove (503), and the side surface of the limiting slide rod (504) is located inside the connecting slide groove (503) and is movably connected to a clearance frame (507).
3. The positioning auxiliary device for an ultraviolet laser marking machine according to claim 2, characterized in that: An extension frame (505) is fixedly connected to one side of the connection frame (502), a camera (506) is fixedly connected to one side of the extension frame (505), and a fixing groove (508) is provided inside the air-avoiding frame (507).
4. The positioning auxiliary device for an ultraviolet laser marking machine according to claim 3, characterized in that: A movable slider (509) is movably connected inside the fixed groove (508), a clamping claw (510) is fixedly connected to the bottom of the movable slider (509), and a conveying assembly (6) is arranged on the top of the workbench (3).
5. The positioning auxiliary device for an ultraviolet laser marking machine according to claim 4, characterized in that: The conveying assembly (6) comprises a support plate (602), wherein the support plate (602) is fixedly connected to the top of the workbench (3), and four support legs (601) are fixedly connected to the bottom of the support plate (602), and the four support legs (601) are symmetrically distributed at the bottom of the support plate (602).
6. The positioning auxiliary device for an ultraviolet laser marking machine according to claim 5, characterized in that: The top of the support plate (602) is movably connected to a transmission belt (604), and the interior of the transmission belt (604) is movably connected to two rotating shafts (603). The two rotating shafts (603) are symmetrically distributed inside the transmission belt (604), and a driving motor (605) is fixedly connected to one side of the rotating shaft (603). An auxiliary component (8) is provided on one side of the limiting bracket (403).
7. The positioning auxiliary device for an ultraviolet laser marking machine according to claim 5, characterized in that: The auxiliary component (8) comprises a limit frame (801), the limit frame (801) is fixedly connected to one side of the limit bracket (403) and the limit frame (801) is located on the top of the transmission belt (604), a fixed block (802) is fixedly connected between the limit frames (801), and a limit hole (803) is provided on one side of the limit bracket (403).
8. The positioning auxiliary device for an ultraviolet laser marking machine according to claim 5, characterized in that: Four support seats (7) are fixedly connected to the bottom of the fixed cabinet (1), and the four support seats (7) are symmetrically distributed at the bottom of the fixed cabinet (1). A pressure sensor (9) is fixedly connected to the top of the workbench (3).