Safety type laser optical shutter

Abstract

The invention relates to a safe laser optical shutter which comprises an optical shutter bin, a laser light inlet is formed in the outer wall of one side of the bottom of the optical shutter bin in a penetrating mode, a laser light outlet is formed in the outer wall, opposite to the laser light inlet, of the optical shutter bin in a penetrating mode, a laser optical shutter assembly is installed on the inner wall of the bottom of the optical shutter bin, and a red light adjusting bin is fixed to the outer wall of one side of the optical shutter bin. An indication red light adjusting assembly is installed on the inner wall of the bottom of the red light adjusting bin. According to the arrangement of the laser optical shutter assembly, in the initial state, the first reflector on the first mounting base blocks a laser light path and reflects a laser beam, the laser beam enters the beam collector through the light inlet hole, the beam collector can effectively collect the laser beam emitted accidentally, heat energy generated by the laser beam is released, and the laser light path is more uniform. At the moment, the laser beam cannot be emitted out through the laser light inlet to play a role in blocking the laser, the external space of the whole equipment is relatively safe, and personnel or property loss caused by accidental emission of the laser is prevented.

Description

Technical Field

[0001] The invention relates to the technical field of laser shutters, and in particular to a safety laser shutter. Background Art

[0002] A laser shutter is a device for controlling the on and off of a laser beam. It plays an important role in laser systems. For example, it can quickly open or close the laser optical path as needed to achieve precise control of processes such as laser processing, laser measurement, and laser communication. The working principle of a laser shutter is usually based on the movement, rotation, or other mechanical action of an optical element to change the transmission path of the laser, thereby achieving the purpose of controlling the on and off of the laser. Patent: CN 118040432 A discloses a laser shutter, including a laser input interface, a plurality of laser output interfaces, and an optical path switching device; the laser input interface is used to input the laser into the optical path switching device; the optical path switching device includes a driving device, a mounting body connected to the driving device, and a first right-angle prism arranged on the mounting body; the output shaft of the driving device is provided with a rotation axis, and a plurality of laser output interfaces are arranged around the rotation axis.

[0003] The laser shutter structure currently on the market is relatively simple, and it is not easy to drive the laser shutter to open and close. It does not have the ability to collect the refracted laser beam and release the heat during the laser beam blocking process. There is a problem of accidental laser emission causing personal or property loss. The traditional laser shutter does not have the ability to locate and indicate the position of invisible laser emission.

[0004] In order to solve the above problems, the present invention proposes a safety laser shutter. Summary of the invention

[0005] (1) Technical issues to be solved

[0006] The purpose of the present invention is to overcome the problems of the laser shutter structure in the prior art, which cannot be conveniently driven to open and close the laser shutter, does not have the ability to collect the refracted laser beam and release heat during the laser beam blocking process, and there is a problem of accidental laser emission causing personal or property loss. The traditional laser shutter does not have the ability to locate and indicate the position of invisible laser emission. In order to meet the actual needs, a safe laser shutter is provided to solve the above technical problems.

[0007] (2) Technical solution

[0008] In order to achieve the purpose of the present invention, the technical solution adopted by the present invention is:

[0009] A safety laser light gate comprises a light gate chamber, a laser light inlet is formed through the outer wall of one side of the bottom of the light gate chamber, a laser light outlet is formed through the outer wall of the light gate chamber opposite to the laser light inlet, a laser light gate assembly is installed on the bottom inner wall of the light gate chamber, a red light adjustment chamber is fixed on the outer wall of one side of the light gate chamber, and an indicating red light adjustment assembly is installed on the bottom inner wall of the red light adjustment chamber.

[0010] Preferably, the laser light gate assembly includes a cylinder fixed on the inner wall of one side of the light gate chamber, a movable plate is fixed to the telescopic end of the cylinder, a first mounting seat is fixed to the bottom outer wall of the movable plate, a first lens seat is fixed to the end outer wall of the first mounting seat, and a first reflector is inlaid and fixed on the outer wall of the first lens seat, and the first reflector is at 45°, a beam collector is fixed on the outer wall of the light gate chamber on the side of the first reflector, and a light inlet hole is opened through the inner wall of the light gate chamber on the side of the light inlet port of the beam collector, and the light inlet hole and the first reflector are on the same plane.

[0011] Preferably, the red light indicating adjustment component includes a connecting frame fixed on the inner wall of one side of the red light adjustment bin, a movable feed adjustment seat is fixed on the outer wall of one side of the connecting frame, longitudinal adjustment knobs and transverse adjustment knobs are distributed on the outer walls on both sides of the movable feed adjustment seat, a second mounting seat is fixed to the movable end of the movable feed adjustment seat, a clamping seat is symmetrically fixed on the top outer wall of the second mounting seat, a red light indicator is clamped inside the clamping seat, a laser reflector is embedded and fixed on the inner wall of the red light adjustment bin located on one side of the second mounting seat, a light outlet hole is formed through the inner wall of the light gate bin located on the light outlet side of the laser reflector, a second lens seat is fixed on the outer wall of the top end of the first mounting seat, and a second reflector is embedded and fixed on the outer wall of the second lens seat, and the second reflector is angled, and the second reflector and the light outlet hole are on the same plane.

[0012] Preferably, a first safety sensor is fixed on the inner wall of the bottom of the light gate chamber and the outer wall of one end of the bottom of the first mounting seat, a connecting block is fixed on the inner wall of one side of the bottom of the light gate chamber, a second safety sensor is fixed on the outer wall of the top of the connecting block and the outer wall of one end of the top of the first mounting seat, a first connecting rod is fixed on the outer wall of one side of the movable plate, a second connecting rod is fixed on the inner wall of one side of the light gate chamber, and a reset spring is fixed on the outer wall between the first connecting rod and the second connecting rod.

[0013] Preferably, a compressed air connector is installed on one outer wall of the optical lock chamber, and a solenoid valve is installed on one inner wall of the optical lock chamber. The compressed air connector and the solenoid valve are connected by a pipeline, and the air supply pipe of the solenoid valve is connected to the air intake end pipeline of the cylinder.

[0014] Preferably, a mounting bracket is fixed on an inner wall of one side of the red light adjustment chamber, a control circuit board is installed on the top outer wall of the mounting bracket, a circuit interface is provided on an outer wall of one side of the red light adjustment chamber, and the circuit interface, the control circuit board and the solenoid valve are electrically connected.

[0015] Preferably, an airtight joint is connected through one side outer wall of the optical lock chamber.

[0016] Preferably, a mounting connecting plate is fixed on one side outer wall of the optical gate compartment.

[0017] (3) Beneficial effects:

[0018] A. The laser shutter is a closed chamber structure, which is divided into a shutter chamber and a red light adjustment chamber. By connecting the gas source to the airtight joint, the gas is continuously supplied to the chamber, providing a slight positive pressure inside the chamber. The pressure is released through the gap in the chamber, thereby preventing external impurities from entering the chamber, playing a role in dust prevention during the operation of the laser shutter.

[0019] B. Through the setting of the laser light gate assembly, in the initial state, the first reflector on the first mounting seat blocks the laser light path and reflects the laser beam, so that the laser beam enters the beam collector through the light inlet. The beam collector can effectively collect the accidentally emitted laser beam and release the heat energy generated by it. At this time, the laser beam cannot be emitted through the laser light inlet, which plays a role of laser blocking. At this time, the external space of the entire equipment is relatively safe to prevent accidental laser emission from causing personal or property losses. When the laser needs to be emitted, the cylinder is controlled to work, and the telescopic end drives the movable plate and the first mounting seat to move horizontally, so that the first lens seat and the first reflector are moved away from the top of the laser light inlet. The first reflector will not block the path of the laser beam. The laser enters through the laser light inlet and is emitted through the laser light outlet for normal laser transmission.

[0020] C. By indicating the setting of the red light adjustment component, during the use of the laser shutter, in the initial state, the first mounting seat and the first reflector block the laser light path. During the laser positioning process, the red light indicator is turned on, and the red light beam enters the laser reflector and is refracted and emitted from the light outlet. The emitted red light is refracted by the second reflector on the second lens seat, and the refracted red light beam is emitted through the laser light outlet. The red light beam is adjusted to a coaxial position with the laser beam, so that the visibility of the red light can be used to accurately indicate the position of the invisible laser, which is beneficial to the positioning of the emitted laser beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a safety laser shutter of the present invention;

[0022] Figure 2It is a schematic diagram of the three-dimensional cross-section structure of a light gate chamber in a safety laser light gate of the present invention;

[0023] Figure 3 It is a schematic diagram of the three-dimensional cross-section structure of a red light adjustment chamber in a safety laser shutter of the present invention;

[0024] Figure 4 It is a schematic diagram of the enlarged structure of the A position of a safety laser shutter of the present invention;

[0025] Figure 5 It is a schematic diagram of the enlarged structure of the B position of a safety laser shutter of the present invention;

[0026] Figure 6 It is a schematic diagram of the enlarged structure of the C position of a safety laser shutter of the present invention;

[0027] Figure 7 This is a structural schematic diagram of the first working principle of a safety laser shutter of the present invention; Figure 8 This is a schematic structural diagram of the second working principle of a safety laser shutter of the present invention.

[0028] The reference numerals are as follows:

[0029] 1. Optical shutter compartment; 2. Laser light inlet; 3. Laser light outlet; 4. Laser optical shutter assembly; 5. Red light adjustment compartment; 6. Indicator red light adjustment assembly; 7. First safety sensor; 8. Connecting block; 9. Second safety sensor; 10. First connecting rod; 11. Second connecting rod; 12. Reset spring; 13. Compressed air connector; 14. Solenoid valve; 15. Mounting bracket; 16. Control circuit board; 17. Circuit interface; 18. Airtight connector; 19. Mounting connecting plate;

[0030] 401, cylinder; 402, moving plate; 403, first mounting seat; 404, first lens seat; 405, first reflector; 406, beam collector; 407, light inlet;

[0031] 601, connecting frame; 602, movable feed adjustment seat; 603, longitudinal adjustment knob; 604, lateral adjustment knob; 605, second mounting seat; 606, clamping seat; 607, red light indicator; 608, laser reflector; 609, light outlet hole; 610, second lens seat; 611, second reflector. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0033] The following is combined with Figure 1-8 The present invention is further described with examples:

[0034] In this embodiment, Figure 1-8 As shown, a safety laser light gate comprises a light gate chamber 1, a laser light inlet 2 is formed on the outer wall of one side of the bottom of the light gate chamber 1, a laser light outlet 3 is formed on the outer wall of the light gate chamber 1 opposite to the laser light inlet 2, a laser light gate component 4 is installed on the inner wall of the bottom of the light gate chamber 1, a red light adjustment chamber 5 is fixed on the outer wall of one side of the light gate chamber 1, and an indicating red light adjustment component 6 is installed on the inner wall of the bottom of the red light adjustment chamber 5. The laser light gate is a closed chamber structure, which is divided into the light gate chamber 1 and the red light adjustment chamber 5. The laser light inlet 2 and the laser light outlet 3 are aligned on the upper and lower outer walls of the light gate chamber 1. Laser energy enters through the laser light inlet 2 and is emitted through the laser light outlet 3. The emitted laser can be blocked by controlling the operation of the laser light gate component 4 in the light gate chamber 1, thereby playing the role of a laser light gate.

[0035] Furthermore, an airtight joint 18 is connected through the outer wall of one side of the laser light gate chamber 1. During the use of the laser light gate, an air source is connected to the airtight joint 18 to continuously supply air to the chamber body, thereby providing a slight positive pressure inside the chamber body. The pressure is released through the gap in the chamber body, thereby preventing external impurities from entering the chamber body, thereby playing a role in dust prevention for the laser light gate.

[0036] Furthermore, a mounting connecting plate 19 is fixed on one side outer wall of the optical shutter chamber 1, and the laser optical shutter is installed by mounting holes on the mounting connecting plate 19 in conjunction with bolts, which is beneficial to the assembly and use of the laser optical shutter.

[0037] In this embodiment, Figure 1-8 As shown, the laser shutter assembly 4 includes a cylinder 401 fixed on the inner wall of one side of the shutter chamber 1, a movable plate 402 is fixed to the telescopic end of the cylinder 401, a first mounting seat 403 is fixed to the bottom outer wall of the movable plate 402, a first lens seat 404 is fixed to the end outer wall of the first mounting seat 403, and a first reflector 405 is inlaid and fixed on the outer wall of the first lens seat 404, and the first reflector 405 is 45°, a beam collector 406 is fixed on the outer wall of the shutter chamber 1 on the side of the first reflector 405, and a light inlet hole 407 is opened through the inner wall of the shutter chamber 1 on the light inlet side of the beam collector 406, and the light inlet hole 407 and the first reflector 405 are on the same plane. During the use of the laser shutter, in the initial state, as shown in FIG. Figure 2 , Figure 4As shown, the first mounting seat 403 is located above the laser light inlet 2, and the first reflector 405 on the first mounting seat 403 blocks the laser light path. The first reflector 405 is 45°, reflects the laser beam, and makes the laser beam enter the beam collector 406 through the light inlet hole 407. The beam collector 406 can effectively collect the laser beam emitted accidentally and release the heat energy generated by it. At this time, the laser beam cannot be emitted through the laser light inlet 2 to play a role of laser blocking. At this time, the external space of the entire equipment is relatively safe to prevent accidental laser emission from causing personal or property losses. When the laser needs to be emitted, the cylinder 401 is controlled to work, and the telescopic end drives the movable plate 402 and the first mounting seat 403 to move horizontally. During the process, the reset spring 12 is compressed to move the first lens seat 404 and the first reflector 405 away from the laser light inlet 2. The first reflector 405 will not block the path of the laser beam. The laser enters through the laser light inlet 2 and is emitted through the laser light outlet 3 to perform normal laser transmission.

[0038] Furthermore, a first safety sensor 7 is fixed on the inner wall at the bottom of the light gate chamber 1 and the outer wall at one end of the bottom of the first mounting seat 403, a connecting block 8 is fixed on the inner wall at one side of the bottom of the light gate chamber 1, a second safety sensor 9 is fixed on the outer wall at the top of the connecting block 8 and the outer wall at one end of the top of the first mounting seat 403, a first connecting rod 10 is fixed on the outer wall at one side of the moving plate 402, a second connecting rod 11 is fixed on the inner wall at one side of the light gate chamber 1, and a reset spring 12 is fixed on the outer wall between the first connecting rod 10 and the second connecting rod 11. During the lateral movement driving process of the first mounting seat 403 driven by the above-mentioned cylinder 401 through the moving plate 402, as shown in FIG. Figure 2 , Figure 4 As shown, the first safety sensor 7 is used to detect whether the light gate is fully closed, and the second safety sensor 9 is used to detect whether the light gate is fully opened. When the cylinder 401 stops injecting gas, the reset spring 12 drives the first mounting seat 403 and the first lens seat 404 to reset, so that the laser light gate automatically blocks the laser when the power is cut off and the gas is cut off, thereby ensuring the safety of the equipment.

[0039] Furthermore, a compressed air connector 13 is installed on one side outer wall of the light gate chamber 1, and a solenoid valve 14 is installed on one side inner wall of the light gate chamber 1. The compressed air connector 13 and the solenoid valve 14 are connected by pipeline, and the air supply pipe of the solenoid valve 14 is connected to the air inlet end pipeline of the cylinder 401. During the use of the above-mentioned laser light gate, a compressed air source (0.5-0.6MPa) is connected to the end of the compressed air connector 13 to drive the cylinder 401. The solenoid valve 14 is installed on the pipeline connecting the compressed air connector 13 and the cylinder 401. The solenoid valve 14 can control the gas injection of the cylinder 401 and control the driving work of the cylinder 401.

[0040] Furthermore, a mounting frame 15 is fixed on an inner wall of one side of the red light adjustment chamber 5, a control circuit board 16 is installed on the top outer wall of the mounting frame 15, and a circuit interface 17 is provided on an outer wall of one side of the red light adjustment chamber 5. The circuit interface 17, the control circuit board 16 and the solenoid valve 14 are electrically connected, and the solenoid valve 14 is controlled by the control circuit board 16 to realize remote control of the opening and closing of the laser light gate.

[0041] In this embodiment, Figure 1-8 As shown, the indicating red light adjustment component 6 includes a connecting frame 601 fixed on the inner wall of one side of the red light adjustment chamber 5, a movable feed adjustment seat 602 is fixed on the outer wall of one side of the connecting frame 601, and longitudinal adjustment knobs 603 and transverse adjustment knobs 604 are distributed on the outer walls of both sides of the movable feed adjustment seat 602. A second mounting seat 605 is fixed to the movable end of the movable feed adjustment seat 602, and a clamping seat 606 is symmetrically fixed on the top outer wall of the second mounting seat 605. A red light indicator 607 is mounted inside the clamping seat 606. The adjustment chamber 5 is located on the inner wall of the second mounting seat 605 and is inlaid with a laser reflector 608. The light gate chamber 1 is located on the inner wall of the laser reflector 608 and has a light outlet hole 609. A second lens seat 610 is fixed on the outer wall of the top end of the first mounting seat 403, and a second reflector 611 is inlaid and fixed on the outer wall of the second lens seat 610. The second reflector 611 is 45 degrees, and the second reflector 611 and the light outlet hole 609 are on the same plane. During the use of the laser light gate, in the initial state, as shown in FIG. Figure 2 , Figure 3 As shown, the first mounting seat 403 is located above the laser light inlet 2, and the first mounting seat 403 and the first reflector 405 block the laser light path. During the laser positioning process, the red light indicator 607 is turned on, and the red light beam enters the laser reflector 608 and is refracted and emitted from the light outlet 609. The emitted red light is refracted by the second reflector 611 on the second lens seat 610, and the refracted red light beam is emitted through the laser light outlet 3. The longitudinal adjustment knob 603 and the lateral adjustment knob 604 are used to adjust the position of the laser light. The second mounting seat 605 fixed on the movable end of the movable feed adjustment seat 602 can be adjusted in lateral and longitudinal steps, thereby realizing lateral and longitudinal step adjustments of the laser reflector 608 installed on the second mounting seat 605, and realizing the adjustment of the red light beam emitted by the red light indicator 607. By adjusting, the red light beam is accurately emitted from the laser light outlet 3, and the red light beam is adjusted to a coaxial position with the laser beam, so that the visibility of the red light can be used to accurately indicate the position of the invisible laser, which is conducive to the positioning of the emitted laser beam.

[0042] Beneficial effects of the present invention: the laser light gate is a closed chamber structure, which is divided into a light gate chamber 1 and a red light adjustment chamber 5. By connecting the air source to the airtight joint 18, air is continuously supplied to the chamber body to provide a slight positive pressure inside the chamber body. The pressure is released through the gap in the chamber body, thereby preventing external impurities from entering the chamber body, thereby playing a role in dust prevention during the operation of the laser light gate.

[0043] Furthermore, through the setting of the laser light gate assembly 4, in the initial state, the first reflector 405 on the first mounting seat 403 blocks the laser light path and reflects the laser beam, so that the laser beam enters the beam collector 406 through the light inlet hole 407. The beam collector 406 can effectively collect the accidentally emitted laser beam and release the heat energy generated by it. At this time, the laser beam cannot be emitted through the laser light inlet port 2 to play a role of laser blocking. At this time, the external space of the entire equipment is relatively safe to prevent accidental laser emission from causing personal or property losses. When the laser needs to be emitted, the cylinder 401 is controlled to work, and the telescopic end drives the movable plate 402 and the first mounting seat 403 to move horizontally, so that the first lens seat 404 and the first reflector 405 are moved away from the top of the laser light inlet port 2. The first reflector 405 will not block the path of the laser beam. The laser enters through the laser light inlet port 2 and is emitted through the laser light outlet port 3 for normal laser transmission.

[0044] Furthermore, by indicating the setting of the red light adjustment component 6, during the use of the laser shutter, in the initial state, the first mounting seat 403 and the first reflector 405 block the laser light path. During the laser positioning process, the red light indicator 607 is turned on, and the red light beam enters the laser reflector 608, is refracted and is emitted from the light outlet 609. The emitted red light is refracted by the second reflector 611 on the second lens seat 610, and the refracted red light beam is emitted through the laser light outlet 3. The red light beam is adjusted to a coaxial position with the laser beam, so that the visibility of the red light can be used to accurately indicate the position of the invisible laser, which is beneficial to the positioning of the emitted laser beam.

[0045] Working principle: When the present invention is used, the laser shutter is used in the initial state. Figure 2 , Figure 4As shown, the first mounting seat 403 is located above the laser light inlet 2, and the first reflector 405 on the first mounting seat 403 blocks the laser light path. The first reflector 405 is 45 degrees, and reflects the laser beam, so that the laser beam passes through the light inlet hole 407 and enters the beam collector 406. The beam collector 406 can effectively collect the laser beam emitted accidentally and release the heat energy generated by it. At this time, the laser beam cannot be emitted through the laser light inlet 2, which plays a role of laser blocking. At this time, the external space of the entire device is relatively safe to prevent laser accidents. In order to prevent personal or property loss caused by laser emission, when laser emission is required, the cylinder 401 is controlled to work, and the telescopic end drives the movable plate 402 and the first mounting seat 403 to move horizontally. During the process, the reset spring 12 is compressed to move the first lens seat 404 and the first reflector 405 away from the laser light inlet 2. The first reflector 405 does not block the path of the laser beam. The laser enters through the laser light inlet 2 and is emitted through the laser light outlet 3 to conduct normal laser transmission. During the horizontal driving process, the cylinder 401 drives the first mounting seat 403 through the movable plate 402. Figure 2 , Figure 4 As shown, the first safety sensor 7 is used to detect whether the shutter is fully closed, and the second safety sensor 9 is used to detect whether the shutter is fully opened. When the cylinder 401 stops injecting gas, the reset spring 12 drives the first mounting seat 403 and the first lens seat 404 to reset, so that the laser shutter automatically blocks the laser when the power is cut off and the gas is cut off, thereby ensuring the safety of the equipment. In the initial state, as shown in FIG. Figure 2 , Figure 3 As shown, the first mounting seat 403 is located above the laser light inlet 2, and the first mounting seat 403 and the first reflector 405 block the laser light path. During the laser positioning process, the red light indicator 607 is turned on, and the red light beam enters the laser reflector 608 and is refracted and emitted from the light outlet 609. The emitted red light is refracted by the second reflector 611 on the second lens seat 610, and the refracted red light beam is emitted through the laser light outlet 3. The longitudinal adjustment knob 603 and the lateral adjustment knob 604 are used to adjust the position of the laser light. The second mounting seat 605 fixed on the movable end of the movable feed adjustment seat 602 can be adjusted in lateral and longitudinal steps, thereby realizing lateral and longitudinal step adjustments of the laser reflector 608 installed on the second mounting seat 605, and realizing the adjustment of the red light beam emitted by the red light indicator 607. By adjusting, the red light beam is accurately emitted from the laser light outlet 3, and the red light beam is adjusted to a coaxial position with the laser beam, so that the visibility of the red light can be used to accurately indicate the position of the invisible laser, which is conducive to the positioning of the emitted laser beam.

[0046] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A safety laser shutter, characterized in that: The invention comprises a light gate chamber (1), wherein a laser light inlet (2) is provided through the outer wall of one side of the bottom of the light gate chamber (1), a laser light outlet (3) is provided through the outer wall of the light gate chamber (1) opposite to the laser light inlet (2), a laser light gate assembly (4) is installed on the inner wall of the bottom of the light gate chamber (1), a red light adjustment chamber (5) is fixed on the outer wall of one side of the light gate chamber (1), and an indicating red light adjustment assembly (6) is installed on the inner wall of the bottom of the red light adjustment chamber (5).

2. A safety laser shutter as claimed in claim 1, characterized in that: The laser light gate assembly (4) comprises a cylinder (401) fixed on the inner wall of one side of the light gate chamber (1); a movable plate (402) is fixed on the telescopic end of the cylinder (401); a first mounting seat (403) is fixed on the bottom outer wall of the movable plate (402); a first lens seat (404) is fixed on the end outer wall of the first mounting seat (403); a first reflector (405) is embedded and fixed on the outer wall of the first lens seat (404); and the first reflector (405) is angled at 45 degrees; a beam collector (406) is fixed on the outer wall of the light gate chamber (1) on the side of the first reflector (405); a light inlet hole (407) is provided through the inner wall of the light gate chamber (1) on the side of the light inlet of the beam collector (406); and the light inlet hole (407) and the first reflector (405) are on the same plane.

3. A safety laser shutter as claimed in claim 2, characterized in that: The indicating red light adjustment component (6) comprises a connecting frame (601) fixed on the inner wall of one side of the red light adjustment chamber (5); a movable feed adjustment seat (602) is fixed on the outer wall of one side of the connecting frame (601); longitudinal adjustment knobs (603) and transverse adjustment knobs (604) are distributed on the outer walls of both sides of the movable feed adjustment seat (602); a second mounting seat (605) is fixed on the movable end of the movable feed adjustment seat (602); a clamping seat (606) is symmetrically fixed on the top outer wall of the second mounting seat (605); a red light adjusting seat (606) is internally mounted on the clamping seat (606). The light indicator (607) is provided. The red light adjustment chamber (5) is located on the inner wall of one side of the second mounting seat (605) and is inlaid with a laser reflector (608). The light gate chamber (1) is located on the inner wall of the light outlet side of the laser reflector (608) and is provided with a light outlet hole (609). A second lens seat (610) is fixed on the outer wall of one end of the top of the first mounting seat (403). A second reflector (611) is inlaid with the outer wall of the second lens seat (610). The second reflector (611) is at an angle of 45 degrees. The second reflector (611) and the light outlet hole (609) are on the same plane.

4. A safety laser shutter as claimed in claim 2, characterized in that: A first safety sensor (7) is fixed on the inner wall of the bottom of the optical gate chamber (1) and the outer wall of one end of the bottom of the first mounting seat (403); a connecting block (8) is fixed on the inner wall of one side of the bottom of the optical gate chamber (1); a second safety sensor (9) is fixed on the outer wall of the top of the connecting block (8) and the outer wall of one end of the top of the first mounting seat (403); a first connecting rod (10) is fixed on the outer wall of one side of the movable plate (402); a second connecting rod (11) is fixed on the inner wall of one side of the optical gate chamber (1); and a reset spring (12) is fixed on the outer wall between the first connecting rod (10) and the second connecting rod (11).

5. A safety laser shutter as claimed in claim 2, characterized in that: A compressed air connector (13) is installed on one side outer wall of the optical lock chamber (1), and a solenoid valve (14) is installed on one side inner wall of the optical lock chamber (1). A pipeline is connected between the compressed air connector (13) and the solenoid valve (14), and an air supply pipe of the solenoid valve (14) is connected to an air intake end pipeline of the cylinder (401).

6. A safety laser shutter as claimed in claim 5, characterized in that: A mounting frame (15) is fixed on an inner wall of one side of the red light adjustment chamber (5), a control circuit board (16) is installed on the top outer wall of the mounting frame (15), and a circuit interface (17) is provided on an outer wall of one side of the red light adjustment chamber (5), and the circuit interface (17), the control circuit board (16) and the solenoid valve (14) are electrically connected.

7. A safety laser shutter as claimed in claim 1, characterized in that: An airtight joint (18) is connected through one side outer wall of the optical lock chamber (1).

8. A safety laser shutter as claimed in claim 1, characterized in that: A mounting connection plate (19) is fixed on one side outer wall of the optical gate compartment (1).

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