High-precision laser marking assembly and circuit board full-automatic point digging and blackening machine

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By introducing a displacement correction mechanism into the laser marking assembly, the rotating motor, motor shaft and gear meshing connection is used to solve the problem of laser marking position deviation and improve the accuracy of the circuit board laser taping.

CN222344497UActive Publication Date: 2025-01-14SHANGHAI QIANLI INTELLIGENT TECH CO LTD

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Patent Information

Application Number: CN202421191969.7
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-05-29
Publication Date: 2025-01-14
Estimated Expiration: 2034-05-29

AI Technical Summary

Technical Problem

The existing high-precision laser marking components may have position deviations during the laser marking process, affecting the accuracy of the laser marking position of the circuit board.

Method used

A high-precision laser marking assembly including a base, marking mechanism and displacement correction mechanism is designed. The meshing connection between the gear and the rack is achieved by rotating the combination of the motor, the motor shaft, the gear, the bearing plate and the rack. Drive the left and right movement of the bearing plate, correct the position of the laser marking head, and improve the marking accuracy.

Benefits of technology

By using the displacement correction mechanism, the marking position of the circuit board can be moved to the lower side of the laser marking head by moving the carrier board when the position of the laser marking head is not accurate, thereby improving the position adjustment accuracy during the marking process. .

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Abstract

The utility model discloses a high-precision laser marking assembly and a circuit board full-automatic point digging and blackening machine, and relates to the technical field of circuit board processing, the high-precision laser marking assembly comprises a base, a marking mechanism and a displacement correction mechanism, a back plate is fixed on the rear side of the upper part of the base, the marking mechanism is arranged above the back plate, and the displacement correction mechanism is arranged on the back plate. A feeding bottom plate is arranged on the upper side of the base in a sliding mode, the interior of the feeding bottom plate is of a hollow structure, a displacement correction mechanism is installed on the upper portion of the interior of the feeding bottom plate and comprises a rotating motor, a motor shaft, a gear, a bearing plate and a rack, and the rotating motor is located in the middle of the interior of the feeding bottom plate. According to the high-precision laser marking assembly and the full-automatic point digging and blackening machine for the circuit board, through the displacement correction mechanism, the marking position of the circuit board can be moved to the lower side of the laser marking head through movement of the bearing plate when the moving position of the laser marking head is not accurate, and therefore the marking position is corrected; and the position adjustment precision in the marking process is improved.

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Description

Technical Field

[0001] The utility model relates to the technical field of circuit board processing, in particular to a high-precision laser marking component and a circuit board full-automatic dot-cutting and blackening machine. Background Art

[0002] The circuit board is composed of integrated circuits, quartz oscillators, fine-tuning capacitors and printed circuit boards. It is mainly used to connect various electronic components in electronic equipment and plays the role of structural support. During the processing of circuit boards, they need to be dotted and blackened, so a fully automatic dot-dot-blackening machine is needed. The laser marking component is an important part of the fully automatic dot-dot-blackening machine, which is used to laser dot the circuit board.

[0003] However, in the current high-precision laser marking components, during the laser marking process, there may be position deviations when the laser marking head moves, which affects the accuracy of the laser dot position on the circuit board.

[0004] Therefore, it is urgent to improve this shortcoming. The utility model studies and improves the existing structural deficiencies and provides a high-precision laser marking component and a circuit board fully automatic dot-cutting and blackening machine. Utility Model Content

[0005] The purpose of the utility model is to provide a high-precision laser marking component and a circuit board fully automatic dot-cutting and blackening machine to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision laser marking component and a fully automatic dot-cutting and blackening machine for circuit boards, comprising a base, a marking mechanism and a displacement correction mechanism, a back plate is fixed on the upper rear side of the base, and the marking mechanism is installed above the back plate, a feeding bottom plate is slidably arranged on the upper side of the base, and the interior of the feeding bottom plate is a hollow structure, a displacement correction mechanism is installed above the interior of the feeding bottom plate, and the displacement correction mechanism comprises a rotating motor, a motor shaft, a gear, a bearing plate and a rack, the rotating motor is located in the middle of the inner part of the feeding bottom plate, and a gear is fixed at the front end of the motor shaft in front of the rotating motor, a bearing plate is slidably arranged on the upper side of the feeding bottom plate, and a rack is fixed at the bottom of the bearing plate, and the rack is meshed with the gear, positioning components are installed on both sides of the upper side of the bearing plate, and a movable adjustment mechanism is embedded in the middle of the base.

[0007] Furthermore, the marking mechanism includes a cross rail, a movable seat, a mounting plate and a visual inspection camera, the movable seat is slidably mounted on the upper side of the cross rail, the mounting plate is fixed in front of the movable seat, and the visual inspection camera is installed outside the mounting plate.

[0008] Furthermore, the marking mechanism also includes a marking control box and a laser marking head. The marking control box is fixed below the mounting plate, and the laser marking head is installed below the marking control box.

[0009] Furthermore, the positioning assembly includes a side plate, a telescopic rod and a positioning plate, the side plate is fixedly connected to the load-bearing plate, the telescopic rod is installed on the inner side of the side plate, and the positioning plate is fixed to the other end of the telescopic rod.

[0010] Furthermore, the movable adjustment mechanism includes a mounting frame, a driving motor, a screw and a movable sleeve, the driving motor is mounted on one side of the mounting frame, a screw is disposed on one side of the driving motor, and the movable sleeve is disposed on the outer side of the screw.

[0011] Furthermore, the movable adjustment mechanism also includes a connecting block, the movable sleeve is slidably connected to the mounting frame, and the connecting block is fixed on the upper side of the movable sleeve, and the connecting block is fixedly connected to the bottom surface of the feeding bottom plate.

[0012] Furthermore, sliding blocks are fixed on both left and right sides of the bottom of the feeding bottom plate, and sliding grooves are provided on both left and right sides of the top of the base.

[0013] A fully automatic circuit board blackening machine is provided, wherein the circuit board is equipped with the high-precision laser marking component as described above.

[0014] The utility model provides a high-precision laser marking component and a circuit board fully automatic dot-cutting and blackening machine, which has the following beneficial effects:

[0015] 1. The utility model is provided with a marking mechanism. The laser marking head can move and adjust its position to perform laser marking on the circuit board. The visual inspection camera is used to perform visual inspection on the marked circuit board. The movement and adjustment mechanism facilitates the movement of the feeding base plate, so that the feeding base plate can move and feed the circuit board carried on the surface of the carrier plate. The two telescopic rods facilitate the telescopic adjustment of the positions of the two positioning plates so that the positioning plates can position and clamp the circuit board carried on the surface of the carrier plate.

[0016] 2. The utility model is provided with a displacement correction mechanism, which drives the rotation of the gear by rotating the motor and the motor shaft, and the rack is meshed with the gear, so that the gear can rotate to drive the rack and the carrier plate to move left and right, and then when the movement position of the laser marking head is not accurate, the marking position of the circuit board can be moved to the lower side of the laser marking head by moving the carrier plate, thereby correcting the marking position and improving the position adjustment accuracy during the marking process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a schematic diagram of the overall structure of a high-precision laser marking component and a circuit board fully automatic dot-cutting and blackening machine of the utility model;

[0018] Figure 2 This is a schematic diagram of the half-section structure of the feeding bottom plate of a high-precision laser marking component and a circuit board fully automatic dot-cutting and blackening machine of the utility model;

[0019] Figure 3 This utility model is a high-precision laser marking component and circuit board automatic digging and blackening machine Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 4 The utility model is a high-precision laser marking component and a mobile adjustment mechanism structure schematic diagram of a circuit board full-automatic dot-cutting and blackening machine.

[0021] In the figure: 1. base; 2. back plate; 3. marking mechanism; 301. cross rail; 302. moving seat; 303. mounting plate; 304. visual inspection camera; 305. marking control box; 306. laser marking head; 4. feeding bottom plate; 5. displacement correction mechanism; 501. rotating motor; 502. motor shaft; 503. gear; 504. bearing plate; 505. rack; 6. positioning assembly; 601. side plate; 602. telescopic rod; 603. positioning plate; 7. moving adjustment mechanism; 701. mounting frame; 702. driving motor; 703. screw rod; 704. moving sleeve; 705. connecting block; 8. slider; 9. slide groove. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0023] like Figure 1 As shown, a high-precision laser marking component and a circuit board fully automatic dot-cutting and blackening machine include a base 1, a marking mechanism 3 and a displacement correction mechanism 5. A back plate 2 is fixed to the upper rear side of the base 1, and a marking mechanism 3 is installed above the back plate 2. The marking mechanism 3 includes a cross rail 301, a moving seat 302, a mounting plate 303 and a visual inspection camera 304. The moving seat 302 is slidably installed on the upper side of the cross rail 301, and a mounting plate 303 is fixed in front of the moving seat 302, and a visual inspection camera 304 is installed outside the mounting plate 303; the marking mechanism 3 also includes a marking control box 305 and a laser marking head 306, a marking control box 305 is fixed below the mounting plate 303, and a laser marking head 306 is installed below the marking control box 305;

[0024] The specific operation is as follows: the movement of the movable seat 302 on the horizontal rail 301 facilitates the movement of the mounting plate 303, the marking control box 305 and the laser marking head 306, so that the laser marking head 306 can move and adjust the position to perform laser marking on the circuit board, and the visual inspection camera 304 is used to perform visual inspection on the marked circuit board.

[0025] like Figure 1 , Figure 3-Figure 4 As shown, a feeding bottom plate 4 is slidably provided on the upper side of the base 1, and the interior of the feeding bottom plate 4 is a hollow structure, and the movable adjustment mechanism 7 includes a mounting frame 701, a driving motor 702, a screw rod 703 and a movable sleeve 704, a driving motor 702 is installed on one side of the inner side of the mounting frame 701, and a screw rod 703 is provided on one side of the driving motor 702, and a movable sleeve 704 is sleeved on the outer side of the screw rod 703; the movable adjustment mechanism 7 also includes a connecting block 705, the movable sleeve 704 is slidably connected to the mounting frame 701, and a connecting block 705 is fixed on the upper side of the movable sleeve 704, and the connecting block 705 is fixedly connected to the bottom surface of the feeding bottom plate 4; sliders 8 are fixed on the left and right sides of the bottom of the feeding bottom plate 4, and slide grooves 9 are provided on the left and right sides of the upper side of the base 1;

[0026] The specific operation is as follows: the driving motor 702 is used to drive the rotation of the screw rod 703, and then the outer movable sleeve 704 of the screw rod 703, the connecting block 705 and the feeding base plate 4 are driven to move, so that the feeding base plate 4 can move and feed the circuit board carried by the surface of the supporting plate 504. At this time, the mutual cooperation between the slider 8 and the slide groove 9 makes the feeding base plate 4 move smoothly.

[0027] like Figure 1 and Figure 2 As shown, a displacement correction mechanism 5 is installed on the upper part of the feeding bottom plate 4, and the displacement correction mechanism 5 includes a rotating motor 501, a motor shaft 502, a gear 503, a bearing plate 504 and a rack 505. The rotating motor 501 is located in the middle of the feeding bottom plate 4, and a gear 503 is fixed to the front end of the motor shaft 502 in front of the rotating motor 501. A bearing plate 504 is slidably arranged on the upper side of the feeding bottom plate 4, and a rack 505 is fixed to the bottom of the bearing plate 504, and the rack 505 is meshed and connected with the gear 503. Positioning components 6 are installed on both sides of the upper side of the bearing plate 504, and a moving adjustment mechanism 7 is embedded in the middle of the base 1; the positioning component 6 includes a side plate 601, a telescopic rod 602 and a positioning plate 603, the side plate 601 is fixedly connected to the bearing plate 504, and a telescopic rod 602 is installed on the inner side of the side plate 601, and a positioning plate 603 is fixed to the other end of the telescopic rod 602;

[0028] The specific operation is as follows: the two telescopic rods 602 are used to facilitate telescopic adjustment of the positions of the two positioning plates 603 so that the positioning plates 603 can position and clamp the circuit board carried by the surface of the carrier plate 504; the rotating motor 501 and the motor shaft 502 are used to facilitate the rotation of the gear 503; the rack 505 is meshed with the gear 503, so that the gear 503 can rotate to drive the rack 505 and the carrier plate 504 to move left and right, and then when the movement position of the laser marking head 306 is not accurate, the marking position of the circuit board can be moved to the lower side of the laser marking head 306 by moving the carrier plate 504, thereby correcting the marking position and improving the position adjustment accuracy during the marking process.

[0029] A fully automatic circuit board dot-slotting and blackening machine is provided, wherein the fully automatic circuit board dot-slotting and blackening machine is equipped with a high-precision laser marking component as described above, wherein the laser marking component is used to mark the circuit board, and then the fully automatic circuit board dot-slotting and blackening machine performs dot-slotting and blackening on the circuit board according to the marking position.

[0030] In summary, this high-precision laser marking component and circuit board fully automatic digging and blackening machine firstly Figures 1 to 4 The structure shown in the figure, the circuit board to be processed is placed on the carrier plate 504, and then the positions of the two positioning plates 603 are adjusted by telescopic adjustment of the two telescopic rods 602 so that the positioning plates 603 can position and clamp the circuit board carried on the surface of the carrier plate 504, and then the screw rod 703 is driven to rotate by the driving motor 702, thereby driving the movement of the outer movable sleeve 704, the connecting block 705 and the feeding bottom plate 4 of the screw rod 703, so that the feeding bottom plate 4 can move and feed the circuit board carried on the surface of the carrier plate 504, and move it to the bottom of the marking mechanism 3. At this time, the mutual cooperation between the slider 8 and the slide groove 9 makes the feeding bottom plate 4 move smoothly;

[0031] Then, the movement of the moving seat 302 on the horizontal rail 301 drives the movement of the mounting plate 303, the marking control box 305 and the laser marking head 306, so that the laser marking head 306 can move and adjust the position to laser mark the circuit board. In this process, the rotation of the gear 503 can be driven by the rotating motor 501 and the motor shaft 502, and the rack 505 is meshed with the gear 503, so that the gear 503 can rotate to drive the rack 505 and the supporting plate 504 to move left and right, and then when the movement position of the laser marking head 306 is not accurate, the marking position of the circuit board can be moved to the lower side of the laser marking head 306 by moving the supporting plate 504, so as to correct the marking position and improve the position adjustment accuracy during the marking process. Finally, the visual inspection camera 304 is used to visually inspect the marked circuit board.

[0032] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A high-precision laser marking assembly, comprising a base (1), a marking mechanism (3) and a displacement correction mechanism (5), characterized in that: A back plate (2) is fixed to the upper rear side of the base (1), and a marking mechanism (3) is installed above the back plate (2). A feeding bottom plate (4) is slidably arranged on the upper side of the base (1), and the interior of the feeding bottom plate (4) is a hollow structure. A displacement correction mechanism (5) is installed above the interior of the feeding bottom plate (4), and the displacement correction mechanism (5) comprises a rotating motor (501), a motor shaft (502), a gear (503), a bearing plate (504) and a rack (505). The rotating motor (50 1) is located in the middle of the feeding bottom plate (4), and a gear (503) is fixed at the front end of the motor shaft (502) in front of the rotating motor (501), a bearing plate (504) is slidably arranged on the upper side of the feeding bottom plate (4), and a rack (505) is fixed at the bottom of the bearing plate (504), and the rack (505) is meshedly connected with the gear (503), positioning components (6) are installed on both sides of the upper side of the bearing plate (504), and a movable adjustment mechanism (7) is embedded in the middle of the base (1).

2. A high-precision laser marking component according to claim 1, characterized in that: The marking mechanism (3) comprises a transverse rail (301), a movable seat (302), a mounting plate (303) and a visual inspection camera (304); the movable seat (302) is slidably mounted on the upper side of the transverse rail (301), the mounting plate (303) is fixed in front of the movable seat (302), and the visual inspection camera (304) is mounted on the outside of the mounting plate (303).

3. A high-precision laser marking component according to claim 2, characterized in that: The marking mechanism (3) further comprises a marking control box (305) and a laser marking head (306); the marking control box (305) is fixed below the mounting plate (303), and the laser marking head (306) is installed below the marking control box (305).

4. A high-precision laser marking component according to claim 1, characterized in that: The positioning assembly (6) comprises a side plate (601), a telescopic rod (602) and a positioning plate (603); the side plate (601) is fixedly connected to the bearing plate (504); the telescopic rod (602) is installed on the inner side of the side plate (601); and the positioning plate (603) is fixed to the other end of the telescopic rod (602).

5. The high-precision laser marking component according to claim 1, characterized in that: The movable adjustment mechanism (7) comprises a mounting frame (701), a driving motor (702), a screw rod (703) and a movable sleeve (704); the driving motor (702) is mounted on one side of the mounting frame (701), the screw rod (703) is arranged on one side of the driving motor (702), and the movable sleeve (704) is sleeved on the outer side of the screw rod (703).

6. A high-precision laser marking component according to claim 5, characterized in that: The movable adjustment mechanism (7) further comprises a connection block (705), the movable sleeve (704) is slidably connected to the mounting frame (701), a connection block (705) is fixed on the upper side of the movable sleeve (704), and the connection block (705) is fixedly connected to the bottom surface of the feeding bottom plate (4).

7. A high-precision laser marking component according to claim 1, characterized in that: Slide blocks (8) are fixed on both left and right sides of the bottom of the feeding bottom plate (4), and sliding grooves (9) are provided on both left and right sides of the top of the base (1).

8. A fully automatic circuit board blackening machine, characterized in that: The fully automatic circuit board blackening machine is equipped with a high-precision laser marking component as described in any one of claims 1-7.