Exposure machine capable of improving exposure precision
By designing structures such as limit slots, bidirectional screws and movable plates in the exposure machine, ensuring that the imaging negative film remains horizontally and stays in a fixed position during the transmission process, the problem of the reduction of alignment accuracy due to changes in the position of the imaging negative film in the prior art is solved, and higher exposure accuracy and convenience of use are achieved.
Patent Information
- Application Number
- CN202421321407.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-11
AI Technical Summary
During the continuous exposure process of existing exposure machines, the imaging negative film is light in material and easy to move during transmission, resulting in position changes, which reduces the alignment accuracy and affects use.
An exposure machine including a main body, a limiting slot, a bidirectional screw, a screw motor, a movable plate, a limiting plate, a cylinder and a baffle is designed. The screw motor drives the rotation of the bidirectional screw, adjusts the spacing between the movable plate and the limit plate, controls the lifting and lowering of the cylinder and baffle, ensures that the imaging film remains in a horizontal position during the transmission process and stays in a fixed position for exposure.
The alignment accuracy between the imaging negative and the exposure position is improved, the accuracy and continuity of exposure is ensured, and the imaging negative of different sizes is adapted to the practicality of the equipment.
Smart Images
Figure CN222545627U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of exposure machines, in particular to an exposure machine capable of improving exposure accuracy. Background Art
[0002] An exposure machine is a machine that transfers image information on film or other transparent objects to a surface coated with photosensitive material by emitting UVA wavelength ultraviolet light. It can support constant light intensity or constant power mode and is widely used in semiconductors, microelectronics, biodevices and nanotechnology.
[0003] In the prior art, a conveyor belt is usually used to transfer the imaging film during the continuous exposure process. However, the imaging film is light in material and is easily moved during the transmission process, causing the position to change. As a result, after the conveyor belt transfers the imaging film to the exposure position, the imaging film cannot correspond to the exposure position, which reduces the alignment accuracy and affects the use. Summary of the invention
[0004] The utility model aims to provide an exposure machine capable of improving exposure accuracy, capable of conveying an imaging film to a fixed position so that it corresponds well to the exposure position, improving alignment accuracy and being easy to use.
[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide an exposure machine that can improve exposure accuracy, including a main body, a limiting groove is provided on the inner top of the main body, a two-way lead screw is movably connected inside the limiting groove, one end of the two-way lead screw passes through the inside of the limiting groove and extends to the outside of the main body, one end of the two-way lead screw is fixedly connected to a lead screw motor, the outer surface of the two-way lead screw is threadedly connected to a movable plate, the lower surface of the movable plate is fixedly connected to the limiting plate, the inner bottom of the main body is fixedly connected to a cylinder, the output end of the cylinder is fixedly connected to a baffle, the baffle is movably connected to a light rod, the lower end of the light rod is fixedly connected to the inner bottom of the main body, and the upper end of the light rod is fixedly connected to the inner top of the main body.
[0006] Optionally, the number of the movable plates and the limiting plates is two, and the two movable plates and the limiting plates are respectively located on the left and right sides of the bidirectional screw rod.
[0007] Optionally, the opposite sides of the two limiting plates are provided with inclined surfaces, and the two inclined surfaces are distributed in an eight-shaped shape.
[0008] Optionally, a connecting plate is fixedly connected to the inner bottom of the main body, and there are two connecting plates. The opposite sides of the two connecting plates are movably connected with driven rollers. There are multiple driven rollers, and the opposite sides of the two connecting plates are movably connected with active rollers.
[0009] Optionally, a conveyor belt is sleeved between the active roller and the driven roller, a conveying motor is fixedly connected to the front of the connecting plate, the output shaft of the conveying motor passes through the interior of the connecting plate and extends to the other side of the connecting plate, and the output shaft of the conveying motor is fixedly connected to one end of the active roller.
[0010] Optionally, an exposure piece is provided at the inner top of the main body, and the exposure piece is located in the middle of the main body.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] The utility model is provided with a screw motor, a movable plate, a limit plate, a cylinder and a top plate. The screw motor is started, and the output shaft of the screw motor drives the movable plates to move closer or farther from each other, and the spacing between the two limit plates is adjusted. Then the cylinder is controlled to contract, so that the baffle is lowered, and then the imaging film is transmitted. When the imaging film passes between the two limit plates, it is guided by the limit plates so that the position of the imaging film is located in the middle of the conveyor belt and remains horizontal with the conveyor belt. When it is transmitted to the baffle position, it is blocked by the baffle and stays in a fixed position, and exposure can be performed. The utility model can transmit the imaging film to a fixed position, so that it corresponds well to the exposure position, improves the alignment accuracy, and is easy to use; at the same time, by adjusting the spacing between the two limit plates, it can adapt to imaging films of different sizes, thereby improving the practicality of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a first viewing angle;
[0015] Figure 2 This is a schematic diagram of the third perspective structure of the utility model;
[0016] Figure 3 It is a partial cross-sectional three-dimensional structural schematic diagram of the utility model;
[0017] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure at A in the middle;
[0018] Figure 5 It is a schematic diagram of the cross-sectional three-dimensional structure of the baffle of the utility model.
[0019] In the figure: 1. main body; 2. limit groove; 3. bidirectional lead screw; 4. lead screw motor; 5. movable plate; 6. limit plate; 7. cylinder; 8. baffle; 9. light rod; 10. connecting plate; 11. driven roller; 12. driving roller; 13. conveyor belt; 14. conveying motor; 15. exposure piece. DETAILED DESCRIPTION
[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
[0021] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0022] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0024] Now, an exposure machine that can improve exposure accuracy provided by the embodiment of the utility model is described. Figures 1 to 5, an exposure machine capable of improving exposure accuracy comprises a main body 1, a limiting groove 2 is provided on the inner top of the main body 1, and the limiting groove 2 can limit the movable plate 5 to move horizontally, a bidirectional screw rod 3 is movably connected inside the limiting groove 2, one end of the bidirectional screw rod 3 passes through the inner part of the limiting groove 2 and extends to the outer side of the main body 1, one end of the bidirectional screw rod 3 is fixedly connected to a screw motor 4, and a movable plate 5 is threadedly connected to the outer surface of the bidirectional screw rod 3, and a limiting plate 6 is fixedly connected to the lower surface of the movable plate 5, and the limiting plate 6 is used to guide the imaging film in the transmission process so that the imaging film can be in a horizontal state for easy exposure; a cylinder 7 is fixedly connected to the inner bottom of the main body 1, and the cylinder 7 is used to control the lifting and lowering of a baffle 8; a baffle 8 is fixedly connected to the output end of the cylinder 7, and the baffle 8 can block the imaging film in a fixed position, so that the imaging film can be in the best alignment accuracy, which is helpful for exposure; an optical rod 9 is movably connected inside the baffle 8, and the lower end of the optical rod 9 is fixedly connected to the inner bottom of the main body 1, and the upper end of the optical rod 9 is fixedly connected to the inner top of the main body 1 , the light rod 9 is used to limit the baffle 8 to move only up and down, the number of the movable plate 5 and the limit plate 6 is two, the two movable plates 5 and the limit plate 6 are respectively located on the left and right sides of the two-way screw rod 3, and the opposite sides of the two limit plates 6 are provided with inclined surfaces, and the two inclined surfaces are distributed in an eight-shaped shape. The two inclined surfaces can better guide the imaging film, place the imaging film, and make it stuck by the limit plate 6, start the screw motor 4, and the output shaft of the screw motor 4 drives the two-way screw rod 3 to rotate, thereby driving the two movable plates 5 to move closer or farther from each other, and the two The spacing between the limit plates 6 is adjusted, and then the cylinder 7 is controlled to contract, so that the baffle 8 drops, and then the imaging film is conveyed. When the imaging film passes between the two limit plates 6, it is guided by the limit plates 6 so that the position of the imaging film is located in the middle of the conveyor belt 13 and remains horizontal between the conveyor belts 13. When it is conveyed to the position of the baffle 8, it is blocked by the baffle 8 and stays in a fixed position, and exposure can be carried out. After the exposure is completed, the cylinder 7 extends, driving the baffle 8 to rise, so that the imaging film can continue to be conveyed, which is convenient for continuous exposure.
[0025] In the embodiment of the present utility model, please refer to Figures 1 to 5The inner bottom of the main body 1 is fixedly connected with a connecting plate 10, and the number of the two connecting plates 10 is two. The opposite sides of the two connecting plates 10 are movably connected with driven rollers 11, and the number of driven rollers 11 is multiple. The driven rollers 11 are used to support the conveyor belt 13 to facilitate the conveying of the imaging film; the opposite sides of the two connecting plates 10 are movably connected with active rollers 12. When working, the active rollers 12 drive the conveyor belt 13 to move, so that the imaging film can be conveyed; the conveyor belt 13 is sleeved between the active rollers 12 and the driven rollers 11, and the front of the connecting plate 10 is fixedly connected with a conveying motor 14, and the output shaft of the conveying motor 14 passes through the connecting plate The inside of the plate 10 extends to the other side of the connecting plate 10, and the output shaft of the transmission motor 14 is fixedly connected to one end of the active roller 12. When working, the transmission motor 14 is used to control the rotation of the active roller 12; an exposure member 15 is provided at the inner top of the main body 1, and the exposure member 15 is located in the middle of the main body 1. When the transmission motor 14 is started, the output shaft of the transmission motor 14 drives the active roller 12 to rotate, thereby driving the conveyor belt 13 to move, and the imaging film is transmitted. When it is transmitted to a fixed position, it stops and is exposed through the exposure member 15. After the exposure is completed, the imaging film can be transmitted to the next step, and the next imaging film can be exposed.
[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An exposure machine capable of improving exposure accuracy, comprising a main body (1), characterized in that: A limiting groove (2) is provided at the inner top of the main body (1), and a bidirectional screw rod (3) is movably connected inside the limiting groove (2), one end of the bidirectional screw rod (3) passes through the inside of the limiting groove (2) and extends to the outside of the main body (1), one end of the bidirectional screw rod (3) is fixedly connected to a screw motor (4), the outer surface of the bidirectional screw rod (3) is threadedly connected to a movable plate (5), the lower surface of the movable plate (5) is fixedly connected to a limiting plate (6), the inner bottom of the main body (1) is fixedly connected to a cylinder (7), the output end of the cylinder (7) is fixedly connected to a baffle (8), the inner part of the baffle (8) is movably connected to a light rod (9), the lower end of the light rod (9) is fixedly connected to the inner bottom of the main body (1), and the upper end of the light rod (9) is fixedly connected to the inner top of the main body (1).
2. An exposure machine capable of improving exposure accuracy as claimed in claim 1, characterized in that: The number of the movable plates (5) and the limiting plates (6) is two, and the two movable plates (5) and the limiting plates (6) are respectively located on the left and right sides of the bidirectional screw rod (3).
3. An exposure machine capable of improving exposure accuracy as claimed in claim 1, characterized in that: The opposite sides of the two limiting plates (6) are both provided with inclined surfaces, and the two inclined surfaces are distributed in an eight-shaped shape.
4. An exposure machine capable of improving exposure accuracy as claimed in claim 1, characterized in that: A connecting plate (10) is fixedly connected to the inner bottom of the main body (1), the number of the two connecting plates (10) is two, the opposite sides of the two connecting plates (10) are movably connected to driven rollers (11), the number of the driven rollers (11) is multiple, and the opposite sides of the two connecting plates (10) are movably connected to active rollers (12).
5. An exposure machine capable of improving exposure accuracy as claimed in claim 4, characterized in that: A conveyor belt (13) is sleeved between the active roller (12) and the driven roller (11); a conveyor motor (14) is fixedly connected to the front of the connecting plate (10); an output shaft of the conveyor motor (14) passes through the interior of the connecting plate (10) and extends to the other side of the connecting plate (10); and the output shaft of the conveyor motor (14) is fixedly connected to one end of the active roller (12).
6. An exposure machine capable of improving exposure accuracy as claimed in claim 1, characterized in that: An exposure component (15) is provided at the inner top of the main body (1), and the exposure component (15) is located in the middle of the main body (1).