Three-point laser interrupter

Abstract

The application relates to the field of laser interrupters, and discloses a three-point laser interrupter device which comprises detection sensors and a mounting rack, the bottom end of the detection sensor is provided with a detection port, the inside of the mounting rack is provided with a plurality of sliding grooves, the plurality of sliding grooves are uniformly distributed in the inside of the mounting rack, the inner wall of the sliding groove is slidably connected with a sliding block, the bottom end of the sliding block is fixedly connected with the top of the detection sensor, the section of the mounting rack is in a D-shaped structure, the plurality of sliding grooves are uniformly distributed on the inner wall of the mounting rack, and the size specification of the inner wall of the sliding groove is matched with the size specification of the surface of the sliding block; the sliding block is slidably connected in the sliding groove in the mounting rack, so that the yarn surface can be simultaneously detected by means of the detection sensors, and the angle of the detection sensor can be adjusted by the sliding groove and the sliding block, so that the yarn in different angles can be detected.

Description

Technical Field

[0001] This application relates to the field of laser cut-off devices, and more particularly to a three-point laser cut-off device. Background Technology

[0002] A laser stop device is a device that uses a laser beam to detect the position or motion of an object and trigger a stop signal. It is mainly divided into two types: through-beam and reflective. Through-beam devices trigger a stop by blocking the laser beam and are suitable for conveyor belts, cutting machines, and other similar applications. Reflective devices achieve high-precision positioning by detecting changes in laser reflection and are commonly used in CNC machine tools or robot workstations. Their core function is to monitor the presence or displacement of an object in real time and control the start and stop of equipment. They are widely used in industrial safety, automation control, and military security, and are characterized by fast response and high precision. Laser stop devices are often used for detecting yarn breakage. In a conventional laser stop device, the detection sensor is installed inside the yarn processing equipment. The bottom of the sensor has a detection port, which is installed against the yarn surface. The sensor emits a laser to detect the yarn and issues an alarm promptly upon yarn breakage.

[0003] Regarding the aforementioned technologies, the inventors believe that traditional laser cut-off devices mostly use single-photoelectric detection methods. In actual detection processes, the tilting or shaking of the yarn can easily lead to misjudgment of the laser, resulting in blind spots during detection, affecting the yarn detection effect, and impacting the continuity of subsequent production.

[0004] The information disclosed in this background section is only intended to enhance the understanding of the background technology of this application, and therefore may include prior art that is not known to those skilled in the art. Utility Model Content

[0005] To address the issue of poor detection performance of single-point laser stop devices, this application provides a three-point laser stop device.

[0006] The three-point laser cutoff device provided in this application adopts the following technical solution: A three-point laser cutoff device includes several detection sensors and a mounting bracket. The bottom of each detection sensor has a detection port. The mounting bracket has several grooves inside, which are evenly distributed inside the bracket. A slider is slidably connected to the inner wall of each groove. The bottom of the slider is fixedly installed to the top of the detection sensor. The mounting bracket has a "D" shaped cross-section. The grooves are evenly distributed on the inner wall of the mounting bracket, and the dimensions of the inner wall of the grooves are compatible with the dimensions of the slider surface.

[0007] Preferably, the surface of the mounting bracket is provided with a plurality of slots, the plurality of slots are evenly distributed on the surface of the mounting bracket, and a fixing block is engaged with the inner wall of the slot. The size of the surface of the fixing block is adapted to the size of the inner wall of the slot, and the inner wall of the fixing block is engaged with the surface of the slider.

[0008] Preferably, the inner wall of the fixing block is fitted with a fixing bolt, the surface of the fixing bolt is threaded to the inside of the slider, and the center of the fixing bolt and the center of the slider are on the same straight line.

[0009] Preferably, the surface of the mounting bracket is provided with a plurality of scale marks, which are evenly distributed on the mounting bracket.

[0010] Preferably, two connecting blocks are fixedly installed on the surface of the mounting bracket. The two connecting blocks are symmetrically distributed about the mounting bracket. The cross-section of the connecting blocks is "T" shaped. A fixing bracket is slidably connected to the surface of the connecting blocks. The dimensions of the inner wall of the fixing bracket are adapted to the dimensions of the surface of the connecting blocks. Several connecting bolts are engaged with the inner wall of the fixing bracket. The several connecting bolts are divided into two groups. The two groups of connecting bolts are symmetrically distributed about the fixing bracket.

[0011] Preferably, the fixing frame has two connecting slots inside, which are symmetrically distributed about the fixing frame. A limiting frame is movably installed on the inner wall of the connecting slot. One end of the limiting frame is engaged with the surface of the connecting block, and the other end of the limiting frame is rotatably connected to the surface of the fixing frame.

[0012] Preferably, one end of the limiting frame is fixedly connected to a push spring, and one end of the push spring is fixedly installed to the inner wall of the fixed frame.

[0013] In summary, this application includes the following beneficial technical effects: 1. By integrating the mounting frame into the yarn processing equipment, a slider is slidably connected to a groove within the mounting frame, allowing multiple detection sensors to simultaneously detect the yarn surface. The angle of the detection sensors can be adjusted via the groove and slider, facilitating detection at different yarn angles. The mounting frame surface has slots with fixing blocks engaged on their inner walls, enabling the detection sensors to be installed at appropriate angles. Fixing bolts are engaged within the fixing blocks, effectively improving the stability of the installed detection sensors. Several scales are also provided on the mounting frame surface for measuring the rotation angle of the detection sensors. Compared to existing technologies, this effectively ensures the accuracy of the laser stop device in detecting yarn. 2. Two connecting blocks can also be installed on the surface of the mounting frame. A fixing frame is slidably connected to the surface of the connecting blocks. Two connecting bolts are snapped into the inside of the fixing frame to facilitate the disassembly of the detection sensor after the connecting blocks are separated from the fixing frame, thus facilitating later inspection and maintenance. Two limit frames are rotatably connected to the surface of the fixing frame. The surface of the fixing frame has a connecting groove that matches the limit frame. One end of the limit frame is snapped into the surface of the connecting block so that the limit frame can pass through the connecting groove and snap into the connecting block, thus facilitating the connection between the connecting block and the inner wall of the fixing frame. A push spring is fixedly installed at one end of the limit frame so that the limit frame is snapped into the surface of the connecting block by means of the push spring; effectively improving the use effect of the device. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of a three-point laser cut-off device according to an embodiment of the application; Figure 2 This is a schematic diagram of the mounting bracket structure in an embodiment of the application; Figure 3 This is a side view of the embodiment of the application. Figure 4 This is a schematic diagram of the structure at point A in the embodiment of the application.

[0015] Explanation of reference numerals in the attached diagram: 1. Detection sensor; 2. Detection port; 3. Mounting bracket; 4. Slide groove; 5. Slider; 6. Slot; 7. Fixing block; 8. Fixing bolt; 9. Scale mark; 10. Connecting block; 11. Fixing bracket; 12. Connecting bolt; 13. Connecting groove; 14. Limiting bracket; 15. Push spring. Detailed Implementation

[0016] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0017] This application discloses a three-point laser cutoff device, referring to... Figure 1 - Figure 2 The system includes a detection sensor 1, which is installed inside the yarn processing equipment during use. The bottom of the detection sensor 1 has a detection port 2, which is then installed on the yarn surface. The detection sensor 1 emits a laser to detect the yarn and issues an alarm promptly upon yarn breakage. A mounting frame 3 is also installed inside the yarn processing equipment. The mounting frame 3 has several sliding grooves 4 inside, with sliders 5 slidably connected to the inner walls of the grooves 4. The bottom of the sliders 5 is fixedly connected to the top of the detection sensor 1. Multiple detection sensors 1 simultaneously detect the yarn surface, and the angle of the detection sensors 1 can be adjusted via the grooves 4 and sliders 5. This facilitates detection at different yarn angles, effectively ensuring the accuracy of the laser cut-off device's yarn detection and preventing sensor detection deviations caused by yarn tilting or shaking.

[0018] Reference Figure 2 The mounting bracket 3 has a slot 6 on its surface, and a fixing block 7 is engaged with the inner wall of the slot 6. One end of the fixing block 7 is engaged with the surface of the slider 5. The fixing block 7 and the slot 6 restrict the position of the slider 5, thereby installing the detection sensor 1 at a suitable angle. A fixing bolt 8 is engaged inside the fixing block 7. The surface of the fixing bolt 8 is threaded to the inner wall of the slider 5. The fixing bolt 8 fixes the fixing block 7 and the slider 5, effectively improving the stability of the detection sensor 1 after installation. The mounting bracket 3 has several scale marks 9 on its surface. The scale marks 9 are used to detect the rotation angle of the detection sensor 1, thereby improving the accuracy of the rotation angle of the detection sensor 1.

[0019] Reference Figure 3 - Figure 4 Two connecting blocks 10 are installed on the surface of the mounting bracket 3. A fixing bracket 11 is slidably connected to the surface of the connecting blocks 10. The surface of the fixing bracket 11 is connected to the inside of the processing equipment. Two connecting bolts 12 are snapped into the inside of the fixing bracket 11. The connecting bolts 12 facilitate the installation of the fixing bracket 11 inside the processing equipment. The detection sensor 1 is installed with the help of the fixing bracket 11 and the connecting blocks 10. After the connecting blocks 10 are separated from the fixing bracket 11, the detection sensor 1 can be easily disassembled, which facilitates the later inspection and maintenance. Two limit brackets 14 are rotatably connected to the surface of the fixing bracket 11 to fix... The surface of the frame 11 is provided with a connecting groove 13 that is adapted to the limiting frame 14. One end of the limiting frame 14 is engaged with the surface of the connecting block 10. The limiting frame 14 is passed through the connecting groove 13 and engaged with the connecting block 10, which facilitates the connection between the connecting block 10 and the inner wall of the fixed frame 11, effectively improving the connection effect between the mounting frame 3 and the fixed frame 11. A push spring 15 is fixedly installed at one end of the limiting frame 14. One end of the push spring 15 is fixedly installed with the surface of the fixed frame 11. The pushing spring 15 pushes the limiting frame 14 to keep the limiting frame 14 engaged with the surface of the connecting block 10.

[0020] The implementation principle of the three-point laser cut-off device in this application embodiment is as follows: The mounting frame 3 is installed inside the yarn processing equipment. Several grooves 4 are provided inside the mounting frame 3, and sliders 5 are slidably connected to the inner walls of the grooves 4. The bottom end of the slider 5 is fixedly connected to the top of the detection sensor 1, allowing simultaneous detection of the yarn surface using multiple detection sensors 1. The angle of the detection sensor 1 can be adjusted by the grooves 4 and sliders 5, facilitating detection at different angles of the yarn and effectively preventing sensor detection deviations caused by yarn tilting or shaking. A slot 6 is provided on the surface of the mounting frame 3, and the inner wall of the slot 6 engages with… There is a fixing block 7, one end of which is engaged with the surface of the slider 5. This allows the fixing block 7 and the slot 6 to restrict the position of the slider 5, thereby installing the detection sensor 1 at a suitable angle. The fixing block 7 is internally engaged with a fixing bolt 8, the surface of which is threaded to the inner wall of the slider 5. This allows the fixing block 7 and the slider 5 to be fixed together, effectively improving the stability of the detection sensor 1 after installation. The surface of the mounting bracket 3 is provided with several scale marks 9, which allow the rotation angle of the detection sensor 1 to be detected, thereby improving the accuracy of the rotation angle of the detection sensor 1.

[0021] Two connecting blocks 10 can also be installed on the surface of the mounting bracket 3. A fixing bracket 11 is slidably connected to the surface of the connecting blocks 10. The surface of the fixing bracket 11 is connected to the inside of the processing equipment. Two connecting bolts 12 are snapped into the inside of the fixing bracket 11. The connecting bolts 12 facilitate the installation of the fixing bracket 11 inside the processing equipment, allowing the detection sensor 1 to be installed using the fixing bracket 11 and connecting blocks 10. Separating the connecting blocks 10 from the fixing bracket 11 facilitates the disassembly of the detection sensor 1, thus simplifying later inspection and maintenance. Two limit brackets 14 are rotatably connected to the surface of the fixing bracket 11. The surface of the mounting bracket 11 is provided with a connecting groove 13 that is adapted to the limiting bracket 14. One end of the limiting bracket 14 is engaged with the surface of the connecting block 10, so that the limiting bracket 14 can pass through the connecting groove 13 and be engaged with the connecting block 10. This facilitates the connection between the connecting block 10 and the inner wall of the mounting bracket 11, effectively improving the connection effect between the mounting bracket 3 and the mounting bracket 11. One end of the limiting bracket 14 is fixedly installed with a push spring 15. One end of the push spring 15 is fixedly installed with the surface of the mounting bracket 11, so that the limiting bracket 14 can be pushed by the push spring 15 to keep the limiting bracket 14 engaged with the surface of the connecting block 10.

[0022] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A three-point laser cutoff device, comprising a plurality of detection sensors (1) and a mounting bracket (3), characterized in that: The detection sensor (1) has a detection port (2) at its bottom end. The mounting frame (3) has several sliding grooves (4) inside. The sliding grooves (4) are evenly distributed inside the mounting frame (3), and the inner wall of the sliding grooves (4) is slidably connected to a slider (5). The bottom end of the slider (5) is fixedly installed to the top of the detection sensor (1).

2. The three-point laser cutoff device according to claim 1, characterized in that: The mounting bracket (3) has a "D" shaped cross section, and several of the sliding grooves (4) are evenly distributed on the inner wall of the mounting bracket (3), and the size of the inner wall of the sliding grooves (4) is compatible with the size of the surface of the slider (5).

3. The three-point laser cutoff device according to claim 1, characterized in that: The mounting bracket (3) has several slots (6) on its surface. The slots (6) are evenly distributed on the surface of the mounting bracket (3). The inner wall of the slot (6) is fitted with a fixing block (7). The size of the surface of the fixing block (7) is compatible with the size of the inner wall of the slot (6). The inner wall of the fixing block (7) is fitted with the surface of the slider (5).

4. A three-point laser cutoff device according to claim 3, characterized in that: The inner wall of the fixing block (7) is fitted with a fixing bolt (8), the surface of the fixing bolt (8) is threaded to the inside of the slider (5), and the center of the fixing bolt (8) and the center of the slider (5) are on the same straight line.

5. A three-point laser cutoff device according to claim 1, characterized in that: The surface of the mounting bracket (3) is provided with a number of scale marks (9), and the number of scale marks (9) are evenly distributed on the mounting bracket (3).

6. A three-point laser cutoff device according to claim 1, characterized in that: The mounting bracket (3) has two connecting blocks (10) fixedly installed on its surface. The two connecting blocks (10) are symmetrically distributed about the mounting bracket (3). The cross-section of the connecting block (10) is "T" shaped. The surface of the connecting block (10) is slidably connected to a fixing bracket (11). The inner wall of the fixing bracket (11) is adapted to the surface size of the connecting block (10). The inner wall of the fixing bracket (11) is fitted with several connecting bolts (12). The several connecting bolts (12) are divided into two groups. The two groups of connecting bolts (12) are symmetrically distributed about the fixing bracket (11).

7. A three-point laser cutoff device according to claim 6, characterized in that: The fixed frame (11) has two connecting slots (13) inside. The two connecting slots (13) are symmetrically distributed about the fixed frame (11) as an axis. A limiting frame (14) is movably installed on the inner wall of the connecting slot (13). One end of the limiting frame (14) is engaged with the surface of the connecting block (10), and the other end of the limiting frame (14) is rotatably connected to the surface of the fixed frame (11).

8. A three-point laser cutoff device according to claim 7, characterized in that: One end of the limiting frame (14) is fixedly connected to a push spring (15), and one end of the push spring (15) is fixedly installed on the inner wall of the fixed frame (11).

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