Opposite-emission grating structure
By designing a through-beam grating structure that includes a mounting base plate, grating detection components, a lens window, and a cooling device, the problems of inflexible optical path adjustment and environmental sensitivity were solved, achieving flexible optical path adjustment and improved stability, thus ensuring the transmission of optical signals and the safety of the production process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-08
- Publication Date
- 2026-03-06
AI Technical Summary
Existing through-beam grating structures are not flexible enough in adjusting the optical path and are sensitive to environmental conditions, affecting performance and stability.
A through-beam grating structure was designed, comprising a mounting base plate, a grating detection assembly, a lens window, a cooling device, and a mounting bracket. The lens window is made of high-transmittance glass, the cooling device is connected to an external cold air output device, and the mounting base plate can be adjusted to change the grating angle via the mounting bracket, facilitating disassembly, maintenance, and adjustment.
It enables flexible adjustment and improved stability of the optical path, ensuring maximum transmission and minimum loss of optical signals, thereby improving the safety and stability of the production process.
Smart Images
Figure CN223977362U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of grating technology, specifically to a through-beam grating structure. Background Technology
[0002] Sheet metal inspection equipment typically requires the precise orientation and alignment of a light beam onto the area to be inspected. Through-beam gratings can focus a light beam from a light source into a parallel beam, allowing the light to be accurately projected onto the area to be inspected. They are widely used in electromechanical equipment and automated inspection equipment.
[0003] Traditional through-beam grating structures may not be flexible enough when adjusting the optical path. Once the geometric parameters and optical properties of the grating are determined, changing these parameters or adjusting the optical path may require redesigning and manufacturing the grating. Furthermore, they are sensitive to environmental conditions, which may affect their performance and stability. Utility Model Content
[0004] The technical problem this invention aims to solve is that existing through-beam grating structures may not be flexible enough when adjusting the optical path. Once the geometric parameters and optical characteristics of the grating are determined, changing these parameters or adjusting the optical path may require redesigning and manufacturing the grating. Furthermore, it is sensitive to environmental conditions, which may affect its performance and stability.
[0005] To solve the above problems, the technical solution adopted by this utility model is a through-beam grating structure, including a mounting base plate. A grating detection component is provided on one side of the mounting base plate. The grating detection component includes a photoelectric grating fixed on one side of the mounting base plate and electrically connected to an external power supply. It is powered and transmits signals through a cable connection. A housing is fixed on one side of the mounting base plate. The housing includes a pair of housing structures. A front panel is fixed to one end of the housing by screws. A lens window is provided between the front panel and the photoelectric grating. It is fixed to the front panel with UV glue. A cooling device is fixedly connected to the lower side of the housing.
[0006] As a further embodiment of this utility model: the front panel and the lens window are fixed to one side of a housing structure, making it convenient to disassemble and inspect the grating and adjust the grating angle.
[0007] As a further aspect of this invention, the lens window is made of high-transmittance glass, which can transmit the light signal entering the grating system to the maximum extent and ensure as little light signal loss as possible.
[0008] As a further embodiment of this invention: the cooling device is connected to an external cold air output device.
[0009] As a further embodiment of this utility model: one side of the mounting base plate is fixed to the top of the external fixing frame, and the sway angle of the grating can be adjusted through the fixing frame. A total of several pairs of fixing frames are provided, and a conveying roller structure is provided between the fixing frames.
[0010] Compared with the prior art, the advantages of this utility model are as follows: those skilled in the art can adjust the sensitivity of the sensor as needed so that the photoelectric sensor can detect whether the strip or other objects are passing through their beams and whether the strip is passing on the roller conveyor, triggering a chain signal to execute the next process step; in addition, they can also serve as a source of stop signal to prevent the sheet from jumping off the roller conveyor, ensuring the safety and stability of the production process. Attached Figure Description
[0011] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0012] Figure 1 This is a three-dimensional view of the overall structure of a through-beam grating structure according to the present invention.
[0013] Figure 2 This is a schematic diagram of the detection state in a through-beam grating structure according to the present invention.
[0014] Figure 3 This is a schematic diagram of a combination in a through-beam grating structure according to the present invention.
[0015] In the attached image:
[0016] 1. Mounting base plate; 2. Outer shell; 3. Front panel; 4. Lens window; 5. Photoelectric grating; 6. Cooling device. Detailed Implementation
[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0018] This utility model provides a technical solution to address the existing problems mentioned in the background art.
[0019] Combined with appendix Figure 1-3It can be seen that the mounting base plate 1 is provided with a grating detection component on one side of the mounting base plate 1. The grating detection component includes a photoelectric grating 5 fixed on one side of the mounting base plate 1, which is electrically connected to an external power supply and is powered and transmitted through a cable. A housing 2 is fixed on one side of the mounting base plate 1. The housing 2 includes a pair of housing structures. A front panel 3 is fixed to one end of the housing 2 by screws. A lens window 4 is provided between the front panel 3 and the photoelectric grating 5 and is fixed to the front panel 3 with UV glue. A cooling device 6 is fixedly connected to the lower side of the housing 2 to continuously cool the photoelectric grating 5 during operation and further improve the stability of the material during transportation and inspection.
[0020] The front panel 3 and lens window 4 are fixed to one side of a housing structure, making it easy to remove and inspect the grating and adjust its angle. The lens window 4 uses high-transmittance glass to maximize the transmission of light signals entering the grating system and ensure minimal light signal loss. The cooling device 6 is connected to an external air conditioning unit. The mounting base 1 is fixed to the top of an external mounting bracket, and the grating swing angle can be adjusted through the bracket. Several pairs of brackets are provided, and a conveyor roller structure is located between the brackets. Each roller can rotate independently, and the rotating roller can push the plate material to move horizontally, facilitating automatic feeding and continuous processing, thus improving work efficiency.
[0021] The working principle of this application is as follows: When in use, the drive motor is started, and the heat-treated plate moves linearly on the roller conveyor. The grating is placed in the beam path. The periodic structure of the grating causes the incident light to diffract. Then, the external power supply is turned on, and the through-beam grating structure is started. As the plate passes through the diffraction fringes, the surface of the plate will reflect a portion of the beam.
[0022] After the corresponding grating transmitter and grating receiver reflect the light beam, a corresponding electrical signal is generated. By analyzing the signal output by the detector, it can be determined whether the board material is in the detection area. In conjunction with the terminal program, it can be analyzed whether the board material has passed through, and at the same time, the furnace door switch button is triggered to proceed to the next process.
[0023] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.
Claims
1. A light emitting raster structure comprising a mounting substrate (1), characterized in that: The installation bottom plate (1) is provided with a grating detection assembly on one side, the grating detection assembly comprises a photoelectric grating (5) fixed on one side of the installation bottom plate (1), and a shell (2) is fixed on one side of the installation bottom plate (1); the shell (2) comprises a pair of shell structures, one end of the shell (2) is fixedly provided with a front panel (3) through screws, a lens window (4) is arranged between the front panel (3) and the photoelectric grating (5), and a cooling device (6) is fixedly connected to the lower side of the shell (2).
2. The light emitting grating structure of claim 1, wherein: The front panel (3) and the lens window (4) are fixed on one side of one shell structure.
3. The structured light grid of claim 1, wherein: The lens window (4) is made of high-transparency glass.
4. The structured light grid of claim 1, wherein: The cooling device (6) is connected with an external cold air output device.
5. The structured light grid of claim 1, wherein: The installation bottom plate (1) is fixed on the top end of an external fixing frame, a plurality of pairs of fixing frames are arranged, and conveying roller structures are arranged between the fixing frames.