Laser module adjusting mechanism of LDI exposure machine
By designing angle adjustment and shielding mechanisms, the problem of the laser module being unable to effectively irradiate uneven areas on the substrate surface was solved, enabling precise control of the laser lamp board angle and spot size, and improving the exposure effect of the LDI exposure machine.
Patent Information
- Application Number
- CN202521197061.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-12
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-06-12
AI Technical Summary
The laser module of the existing LDI exposure machine is difficult to adjust the angle effectively, resulting in uneven areas on the substrate surface not being effectively irradiated.
An LDI exposure machine laser module including an angle adjustment mechanism and a shielding mechanism was designed. Through the cooperation of components such as a motor, threaded rod, threaded sleeve, adjusting rod, and control shaft, the angle adjustment and shielding focusing of the laser lamp board are realized, ensuring that the laser irradiation plane is consistent with the substrate surface.
It achieves automatic adjustment of the laser lamp plate angle and precise control of the light spot size, ensuring that the laser beam can accurately irradiate the area to be exposed, compensate for minor unevenness on the substrate surface, and improve the exposure effect.
Smart Images

Figure CN223955957U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to LDI exposure machine technical field, specifically, relate to a kind of LDI exposure machine laser module adjusting mechanism. BACKGROUND
[0002] PCB circuit board, Chinese name is printed circuit board, also called printed wiring board, is important electronic component, is the support body of electronic component, is the carrier of electronic component electrical interconnection, in PCB circuit board production procedure, the most critical step is to transfer negative to copper foil substrate, in this process, it needs to use LDI exposure machine.
[0003] The utility model discloses a kind of LDI exposure machine laser module adjusting mechanism with publication No. CN218585175U, comprising: top seat and guide rail;The top seat adopts rectangular block structure;The front side of top seat is fixedly provided with mounting plate;The guide rail is provided with four groups, and four groups of guide rails are distributed and set in rectangular array shape;Guide rail further includes: light-shield roll, light-shield roll is provided with four groups, and light-shield cloth is wound on the outside of light-shield roll;Third motor, third motor is provided with four groups.
[0004] In the above application, through the mutual cooperation of top seat and guide rail assembly, when the laser lamp faces the slightly uneven substrate, it is difficult to solve the function of angle adjustment, so that the uneven area on the surface of the substrate cannot be irradiated, therefore we propose a kind of LDI exposure machine laser module adjusting mechanism. Utility model content
[0005] The utility model provides a kind of LDI exposure machine laser module adjusting mechanism.
[0006] The technical scheme of the utility model is as follows: a kind of LDI exposure machine laser module adjusting mechanism, including exposure machine, the inside of the exposure machine is provided with conveying table, the side of the exposure machine is provided with operating panel, the inside of the exposure machine is provided with laser lamp plate, the inside of the exposure machine is provided with angle adjusting mechanism;
[0007] The angle adjusting mechanism includes motor, the side of the motor is fixedly connected in exposure machine, the output end of the motor is fixedly connected with threaded rod, the circumferential surface of the threaded rod is threadedly connected with threaded sleeve, the bottom of the threaded sleeve is fixedly connected with adjusting rod, the inner wall of the exposure machine is fixedly connected with telescopic column, the telescopic end of the telescopic column is rotatably connected with rotating shaft, the circumferential surface of the rotating shaft is fixedly connected with the top of laser lamp plate, the side of the laser lamp plate is provided with adjusting groove, the side of the adjusting rod is slidably connected with the inside of adjusting groove, the inside of the exposure machine is rotatably connected with control shaft, one end of the control shaft is fixedly connected with the side of laser lamp plate.
[0008] The inner wall of the exposure machine is fixedly connected with a reset spring, one end of the reset spring away from the inner wall of the exposure machine is fixedly connected with the circumferential surface of the control shaft, and the purpose is to ensure that the control shaft can be automatically reset and reduce manual intervention.
[0009] The side surface of the motor is fixedly connected with a limiting shaft, the circumferential surface of the limiting shaft is through and slidingly connected with the side surface of the threaded sleeve, and the purpose is to ensure that the threaded sleeve rotates during movement.
[0010] The number of the telescopic columns and rotating shafts is two, and they are vertically and symmetrically arranged along the vertical central axis of the laser lamp plate, and the initial state of the reset spring is a relaxed state, and the purpose is to ensure that the laser lamp plate can be adjusted in angle by rotating left and right.
[0011] The inside of the exposure machine is provided with a shielding mechanism, the shielding mechanism comprises a pressing inclined block, the side surface of the pressing inclined block is fixedly connected with the side surface of the threaded sleeve, the inside of the exposure machine is provided with a sliding groove, the inside of the sliding groove is slidingly connected with a rack, the top of the rack is fixedly connected with a stress rod, the inside of the exposure machine is rotatably connected with a conveying shaft, the circumferential surface of the conveying shaft is fixedly penetrated with a gear, and the circumferential surface of the conveying shaft is wound with shielding cloth, and the purpose is to adjust the spot size and energy distribution of exposure.
[0012] The inner wall of the exposure machine is fixedly connected with a stretch spring, one end of the stretch spring away from the inner wall of the exposure machine is fixedly connected with the side surface of the rack, and the purpose is to ensure that the rack can be automatically reset and reduce manual intervention.
[0013] The inside of the exposure machine is provided with a moving groove, the side surface of the shielding cloth is fixedly connected with a moving plate, and the side surface of the moving plate is slidingly connected with the inside of the moving groove, and the purpose is to ensure that the shielding cloth can be stably moved.
[0014] The side surface of the rack is meshed with the circumferential surface of the gear, and one end of the stress rod is located on the displacement track of the pressing inclined block, and the purpose is to ensure that the rack movement can drive the gear to rotate, and ensure that the pressing inclined block movement can extrude the stress rod.
[0015] The working principle and beneficial effects of the utility model are as follows:
[0016] 1. The utility model discloses a motor, telescopic column and control shaft etc. component between the mutual cooperation of angle adjusting mechanism, when the laser lamp board is exposed to the substrate surface, meets the substrate of surface tiny uneven, staff starts motor, makes the threaded bushing movement drive adjusting rod in the adjusting groove, further makes the adjusting groove and adjusting rod flush, when the laser lamp board rotates through the control shaft, and the stable rotation is carried out through telescopic column, and the angle of laser lamp board is adjusted, and the plane of laser irradiation and substrate surface keep consistent, compensate substrate surface, and the effect that the angle of laser lamp board is adjusted is reached, and the tiny uneven of substrate surface is compensated, and the plane of laser irradiation and substrate surface keep consistent.
[0017] 2. The utility model discloses a rack, gear and shelter cloth etc. component between the mutual cooperation of shelter mechanism, when the threaded bushing movement, threaded bushing movement drive presss the inclined block and moves, and presss the inclined block and moves in the process to extrude the stressed bar, and the stressed bar stress drive rack moves in the sliding slot, and through the meshing of rack and gear, makes the shelter cloth of moving plate and moving groove and makes the shelter cloth carry out linear motion, and then the inclined laser lamp board is shielded and focused, and the size and energy distribution of exposure light spot are changed, and the effect that the inclined laser lamp board is shielded and focused is reached, and it ensures that the laser beam can accurately irradiate the substrate area of being exposed.
[0018] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above at the same time. BRIEF DESCRIPTION OF DRAWINGS
[0019] The utility model will be explained further in detail below combining with the drawings and specific embodiment.
[0020] Figure 1 It is the structure schematic diagram of three-dimensional appearance of first visual angle of the utility model;
[0021] Figure 2 It is the structure schematic diagram of three-dimensional section of first visual angle of the utility model;
[0022] Figure 3 It is the structure schematic diagram of three-dimensional section of second visual angle of the utility model;
[0023] Figure 4 It is the structure schematic diagram of three-dimensional amplification of the utility model Figure 3 A;
[0024] Figure 5 It is the structure schematic diagram of three-dimensional amplification of the utility model Figure 2 B.
[0025] In the diagram: 1. Exposure machine; 2. Conveyor table; 3. Control panel; 4. Laser lamp plate; 5. Angle adjustment mechanism; 51. Motor; 52. Threaded rod; 53. Threaded sleeve; 54. Adjusting rod; 55. Telescopic column; 56. Rotating shaft; 57. Adjusting groove; 58. Control shaft; 59. Return spring; 510. Limiting shaft; 6. Masking mechanism; 61. Pressing inclined block; 62. Slide groove; 63. Rack; 64. Force rod; 65. Conveyor shaft; 66. Gear; 67. Masking cloth; 68. Tension spring; 69. Moving groove; 610. Moving plate. Detailed Implementation
[0026] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.
[0027] Example 1
[0028] like Figures 1-5 As shown, this embodiment proposes an adjustment mechanism for the laser module of an LDI exposure machine, including an exposure machine 1. An internal conveyor table 2 is provided inside the exposure machine 1. An operation panel 3 is provided on the side of the exposure machine 1. A laser lamp plate 4 is provided inside the exposure machine 1. An angle adjustment mechanism 5 is provided inside the exposure machine 1. The angle adjustment mechanism 5 includes a motor 51, the side of which is fixedly connected to the exposure machine 1. A threaded rod 52 is fixedly connected to the output end of the motor 51. A threaded sleeve 53 is threadedly connected to the circumferential surface of the threaded rod 52. An adjustment rod 54 is fixedly connected to the bottom of the threaded sleeve 53. A telescopic column 55 is fixedly connected to the inner wall of the exposure machine 1. A rotating shaft 56 is rotatably connected to the telescopic end of the telescopic column 55. The circumferential surface of the rotating shaft 56 is fixedly connected to the top of the laser lamp plate 4. An adjustment groove 57 is provided on the side of the laser lamp plate 4. The side of the adjustment rod 54... The exposure machine 1 is slidably connected to the inside of the adjustment groove 57, and the inside of the exposure machine 1 is rotatably connected to the control shaft 58. One end of the control shaft 58 is fixedly connected to the side of the laser lamp plate 4. A return spring 59 is fixedly connected to the inner wall of the exposure machine 1. The end of the return spring 59 away from the inner wall of the exposure machine 1 is fixedly connected to the circumferential surface of the control shaft 58. The purpose is to ensure that the control shaft 58 can automatically reset and reduce manual intervention. A limiting shaft 510 is fixedly connected to the side of the motor 51. The circumferential surface of the limiting shaft 510 passes through and is slidably connected to the side of the threaded sleeve 53. The purpose is to ensure that the threaded sleeve 53 rotates during movement. The number of telescopic columns 55 and rotating shafts 56 is set to two, and they are symmetrical to each other along the vertical central axis of the laser lamp plate 4. The initial state of the return spring 59 is a relaxed state. The purpose is to ensure that the laser lamp plate 4 can rotate left and right to adjust the angle.
[0029] In this embodiment, when the laser lamp plate 4 exposes the surface of the substrate, a worker starts the motor 51, the output end of the motor 51 rotates, the threaded rod 52 rotates, the threaded sleeve 53 moves linearly through the limiting shaft 510, the threaded sleeve 53 moves the adjusting rod 54 in the adjusting groove 57, and the adjusting groove 57 is flush with the adjusting rod 54. At this time, the laser lamp plate 4 rotates through the control shaft 58, and the telescopic column 55 is stable. The angle of the laser lamp plate 4 is adjusted to ensure that the plane of laser irradiation and the surface of the substrate are consistent, and the surface of the substrate is compensated. When the threaded sleeve 53 moves to the initial position, the control shaft 58 is automatically reset by the return spring 59, so that the laser lamp plate 4 remains horizontal.
[0030] Embodiment 2
[0031] As shown in Figures 1-5 the same as the above embodiment 1, the embodiment also proposes that the inside of the exposure machine 1 is provided with a shielding mechanism 6, the shielding mechanism 6 includes a pressing inclined block 61, the side surface of the pressing inclined block 61 is fixedly connected to the side surface of the threaded sleeve 53, the inside of the exposure machine 1 is provided with a sliding groove 62, the inside of the sliding groove 62 is slidably connected with a rack 63, the top of the rack 63 is fixedly connected with a force rod 64, the inside of the exposure machine 1 is rotatably connected with a conveying shaft 65, the circumferential surface of the conveying shaft 65 is fixedly penetrated with a gear 66, the circumferential surface of the conveying shaft 65 is wound with a shielding cloth 67, the purpose is to adjust the spot size and energy distribution of exposure, the inner wall of the exposure machine 1 is fixedly connected with a tension spring 68, one end of the tension spring 68 away from the inner wall of the exposure machine 1 is fixedly connected with the side surface of the rack 63, the purpose is to ensure that the rack 63 can be automatically reset, and the manual intervention is reduced, the inside of the exposure machine 1 is provided with a moving groove 69, the side surface of the shielding cloth 67 is fixedly connected with a moving plate 610, the side surface of the moving plate 610 is slidably connected with the inside of the moving groove 69, the purpose is to ensure that the shielding cloth 67 can move stably, the side surface of the rack 63 is meshed with the circumferential surface of the gear 66, one end of the force rod 64 is located on the displacement track of the pressing inclined block 61, the purpose is to ensure that the movement of the rack 63 can drive the gear 66 to rotate, and the movement of the pressing inclined block 61 can extrude the force rod 64.
[0032] In the embodiment, when the threaded sleeve 53 moves, the threaded sleeve 53 drives the pressing inclined block 61 to move, the pressing inclined block 61 extrudes the stress rod 64 during movement, the stress rod 64 is driven by stress to drive the rack 63 to move in the sliding groove 62, the rack 63 is engaged with the gear 66, so that the rack 63 drives the gear 66 to rotate, the gear 66 drives the conveying shaft 65 to rotate, the conveying shaft 65 drives the shielding cloth 67 to move, at this time, the shielding cloth 67 is driven by the moving plate 610 and the moving groove 69 to move linearly, thereby shielding and focusing the inclined laser lamp plate 4, and changing the spot size and energy distribution of exposure.
[0033] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An LDI exposure machine laser module adjustment mechanism, characterized in that, Including exposure machine (1), the inside of exposure machine (1) is provided with conveying table (2), the side of exposure machine (1) is provided with operating panel (3), the inside of exposure machine (1) is provided with laser lamp plate (4), the inside of exposure machine (1) is provided with angle adjusting mechanism (5); The angle adjusting mechanism (5) includes a motor (51), the side of the motor (51) is fixedly connected to the exposure machine (1), the output end of the motor (51) is fixedly connected with a threaded rod (52), the circumference of the threaded rod (52) is threadedly connected with a threaded sleeve (53), the bottom of the threaded sleeve (53) is fixedly connected with an adjusting rod (54), the inner wall of the exposure machine (1) is fixedly connected with a telescopic column (55), the telescopic end of the telescopic column (55) is rotatably connected with a rotating shaft (56), the circumference of the rotating shaft (56) is fixedly connected with the top of the laser lamp plate (4), the side of the laser lamp plate (4) is provided with an adjusting groove (57), the side of the adjusting rod (54) is slidably connected with the inside of the adjusting groove (57), the inside of the exposure machine (1) is rotatably connected with a control shaft (58), one end of the control shaft (58) is fixedly connected with the side of the laser lamp plate (4).
2. The laser module adjustment mechanism of the LDI exposure machine according to claim 1, wherein The inner wall of the exposure machine (1) is fixedly connected with a reset spring (59), one end of the reset spring (59) away from the inner wall of the exposure machine (1) is fixedly connected with the circumference of the control shaft (58).
3. The laser module adjustment mechanism of the LDI exposure machine according to claim 2, wherein The side of the motor (51) is fixedly connected with a limiting shaft (510), the circumference of the limiting shaft (510) penetrates and slidably connects with the side of the threaded sleeve (53).
4. The laser module adjustment mechanism of the LDI exposure machine according to claim 3, wherein The number of the telescopic column (55) and the rotating shaft (56) is two, and they are mutually symmetrical along the vertical central axis of the laser lamp plate (4), and the initial state of the reset spring (59) is a relaxed state.
5. The laser module adjustment mechanism of the LDI exposure machine according to claim 4, wherein The inside of the exposure machine (1) is provided with a shielding mechanism (6), the shielding mechanism (6) includes a pressing inclined block (61), the side of the pressing inclined block (61) is fixedly connected with the side of the threaded sleeve (53), the inside of the exposure machine (1) is provided with a sliding groove (62), the inside of the sliding groove (62) is slidably connected with a rack (63), the top of the rack (63) is fixedly connected with a stress rod (64), the inside of the exposure machine (1) is rotatably connected with a conveying shaft (65), the circumference of the conveying shaft (65) is fixedly penetrated with a gear (66), and the circumference of the conveying shaft (65) is wound with a shielding cloth (67).
6. The laser module adjustment mechanism of the LDI exposure machine according to claim 5, wherein The inner wall of the exposure machine (1) is fixedly connected with a stretching spring (68), one end of the stretching spring (68) away from the inner wall of the exposure machine (1) is fixedly connected with the side of the rack (63).
7. The laser module adjustment mechanism of the LDI exposure machine according to claim 6, wherein The inside of the exposure machine (1) is provided with a moving groove (69), the side of the shielding cloth (67) is fixedly connected with a moving plate (610), and the side of the moving plate (610) is slidably connected with the inside of the moving groove (69).
8. The laser module adjustment mechanism of the LDI exposure machine according to claim 7, wherein The side of the rack (63) and the circumference of the gear (66) are mutually engaged, and one end of the stress rod (64) is located on the displacement track of the pressing inclined block (61).
Citation Information
Patent Citations
Laser module adjusting mechanism of LDI exposure machine
CN218585175U