Rotary safety light curtain

Abstract

The utility model relates to the technical field of photoelectric safety equipment, and discloses a rotary safety light curtain which comprises a mounting table, a first mounting seat is arranged on the left side of the top end of the mounting table, a light emitter is arranged at the top end of the first mounting seat, a second mounting seat is arranged on the right side of the top end of the mounting table, and a light receiver is arranged at the top end of the second mounting seat. A base is arranged at the bottom end of the mounting table, and the bottom end of the interior of the base is movably connected with a connector. When the rotary safety light curtain is used, the servo motor is controlled to start and drive the worm to rotate, the worm can drive the meshed worm gear to rotate while the worm rotates, the worm gear can drive the mounting table to rotate through the connecting shaft while the worm gear rotates, the mounting table can drive the light emitter and the light receiver to rotate while the mounting table rotates, and the light emitter and the light receiver can be driven to rotate by adjusting the positions of the light emitter and the light receiver. The safety light curtain can be used for safety warning in different directions, and the problem that the using direction of the safety light curtain is inconvenient to adjust is solved.

Description

Technical Field

[0001] This utility model relates to the field of optoelectronic installation equipment technology, specifically a rotating safety light curtain. Background Technology

[0002] Safety light curtains are safety protection devices based on photoelectric sensing technology, used to detect and prevent objects or personnel from entering hazardous areas of equipment production. They are widely used in industrial automation scenarios. However, in actual use after installation, safety light curtains are mostly fixed in position, and can only provide safety protection in certain fixed locations. This is insufficient, as there is no way to adjust the orientation of the safety light curtain.

[0003] Now, a novel rotating safety light curtain is proposed to address the above-mentioned shortcomings. Utility Model Content

[0004] The purpose of this invention is to provide a rotating safety light curtain to solve the problem mentioned in the background art of the inconvenience in adjusting the orientation of the safety light curtain.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a rotating safety light curtain, comprising a mounting platform, a mounting seat one disposed on the left side of the top of the mounting platform, and a light emitter disposed on the top of the mounting seat one; a mounting seat two disposed on the right side of the top of the mounting platform, and a light receiver disposed on the top of the mounting seat two; a base disposed at the bottom of the mounting platform; a connecting shaft movably connected to the bottom of the base, and a worm gear fixed to the outside of the connecting shaft; a worm movably connected to the right side of the base, and the rear end of the worm penetrating the interior of the rear end of the base; a servo motor fixedly mounted on the right side of the rear end of the base; and auxiliary support wheels fixedly mounted on both sides of the bottom of the mounting platform.

[0006] As a further technical solution of this utility model, the top end of the connecting shaft passes through the interior of the top end of the base and is fixedly connected to the bottom end of the mounting platform, and the auxiliary support wheel is symmetrically arranged about the vertical center line of the mounting platform.

[0007] As a further technical solution of this utility model, the worm and the worm wheel are meshed together, and the output shaft of the servo motor is fixedly connected to the rear end of the worm.

[0008] As a further technical scheme of the utility model, the inside of the installation table is horizontally movably connected with a bidirectional screw rod, a threaded sleeve one is threadedly connected to the left side of the outside of the bidirectional screw rod, a threaded sleeve two is threadedly connected to the right side of the outside of the bidirectional screw rod, a top groove is horizontally arranged at the middle position of the top end of the installation table, a handle is arranged at the right side of the installation table, the top end of the threaded sleeve one penetrates the inside of the top groove and is fixedly connected with the bottom end of the mounting base one, the top end of the threaded sleeve two penetrates the inside of the top groove and is fixedly connected with the bottom end of the mounting base two.

[0009] As a further technical scheme of the utility model, the left side of the handle penetrates the inside of the right side of the installation table and is fixedly connected between the right side of the bidirectional screw rod.

[0010] As a further technical scheme of the utility model, the two ends of the bottom of the mounting base one and the mounting base two are respectively fixed with guide sliding blocks, the two ends of the top of the installation table are respectively horizontally provided with guide sliding grooves, and the guide sliding blocks are slidingly connected in the guide sliding grooves.

[0011] As a further technical scheme of the utility model, the top end of the mounting base one is fixedly provided with a mounting bracket one, the top end and the bottom end of the left side of the light emitter and the top end and the bottom end of the right side of the light receiver are respectively fixed with connecting rods, the inside of the top end and the bottom end of the left side of the mounting bracket one and the inside of the top end and the bottom end of the right side of the mounting bracket two are respectively provided with insertion holes, the connecting rods are sleeved with gaskets, and the connecting rods are threadedly and rotatably connected with locking rings.

[0012] As a further technical scheme of the utility model, the insertion holes respectively penetrate the inside of the left side of the mounting bracket one and the inside of the right side of the mounting bracket two, and the connecting rods penetrate the inside of the insertion holes.

[0013] Compared with the prior art, the utility model has the advantages that the rotary safety light curtain can not only adjust the use direction of the safety light curtain, adjust the distance of the protection channel of the safety light curtain, but also protect the outside of the light curtain assembly.

[0014] (1) By setting up the installation table, the base, the connecting shaft, the worm gear, the worm, the auxiliary supporting wheel and the servo motor, when the safety light curtain is installed and used, the servo motor can be controlled to drive the worm to rotate, the worm can drive the meshed worm gear to rotate, the worm gear can drive the installation table to rotate through the connecting shaft, and the installation table can drive the light emitter and the light receiver to rotate, so that the position of the light emitter and the light receiver can be adjusted to give safety warning in different directions.

[0015] (2) By being provided with mounting table, mounting seat one, light emitter, light receiver, mounting seat two, handle, threaded sleeve one, bidirectional screw rod, threaded sleeve two, top groove, guide sliding groove and guide sliding block, during the use of the safety light curtain, the handle can be rotated to drive the bidirectional screw rod to rotate at the right side of the mounting table, the bidirectional screw rod rotates while the threaded sleeve one and the threaded sleeve two can drive the top mounting seat one and the mounting seat two to move inward or outward at the same time, the distance between the light emitter and the light receiver is adjusted, and the size of the protection channel distance of the safety light curtain is adjusted conveniently;

[0016] (3) By being provided with mounting frame one, light emitter, light receiver, mounting frame two, locking ring, connecting rod, jack and gasket, during the installation and use of the safety light curtain, the mounting frame one and the mounting frame two are respectively fixed at the top of the mounting seat one and the mounting seat two, after the light emitter and the light receiver are mounted and fixed in the interiors of the mounting frame one and the mounting frame two, the mounting frame one and the mounting frame two can assist in the outer covering protection of the outside of the light curtain emission and acceptance assembly, and the damage of the outside of the light curtain assembly is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view sectional structure schematic view of the utility model;

[0018] Figure 2 It is a base bottom view partial sectional structure schematic view of the utility model;

[0019] Figure 3 It is a mounting table front view partial sectional structure schematic view of the utility model;

[0020] Figure 4 It is a mounting seat one side view structure schematic view of the utility model;

[0021] Figure 5 It is a mounting frame one front view partial sectional enlarged structure schematic view of the utility model.

[0022] In the drawing: 1, mounting table; 2, mounting seat one; 3, mounting frame one; 4, light emitter; 5, base; 6, connecting shaft; 7, worm wheel; 8, worm; 9, mounting seat two; 10, light receiver; 11, mounting frame two; 12, handle; 13, auxiliary supporting wheel; 14, servo motor; 15, threaded sleeve one; 16, bidirectional screw rod; 17, threaded sleeve two; 18, top groove; 19, guide sliding groove; 20, guide sliding block; 21, locking ring; 22, connecting rod; 23, jack; 24, gasket. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] Please refer to Figures 1-5 The present application provides an embodiment: a rotary safety light curtain, comprising a mounting table 1, a mounting seat one 2 is arranged at the left top of the mounting table 1, and a light emitter 4 is arranged at the top of the mounting seat one 2, a mounting seat two 9 is arranged at the right top of the mounting table 1, and a light receiver 10 is arranged at the top of the mounting seat two 9, a base 5 is arranged at the bottom of the mounting table 1, a connecting shaft 6 is movably connected to the bottom of the inside of the base 5, and a worm gear 7 is fixed to the outside of the connecting shaft 6, a worm 8 is movably connected to the right side of the inside of the base 5, and the rear end of the worm 8 penetrates the inside of the rear end of the base 5, a servo motor 14 is fixedly arranged at the right side of the rear end of the base 5, and auxiliary support wheels 13 are fixedly arranged at the two sides of the bottom of the mounting table 1;

[0025] The top end of the connecting shaft 6 penetrates the inside of the top end of the base 5 and is fixedly connected between the bottom of the mounting table 1, the auxiliary support wheels 13 are symmetrically arranged about the vertical center line of the mounting table 1, the worm 8 is meshingly connected with the worm gear 7, and the output shaft of the servo motor 14 is fixedly connected with the rear end of the worm 8;

[0026] Specifically, as shown in Figure 1 and Figure 2 , the servo motor 14 can be controlled to start driving the worm 8 to rotate, the worm 8 rotates at the same time, the meshed worm gear 7 can be driven to rotate, the worm gear 7 rotates at the same time, the connecting shaft 6 can drive the mounting table 1 to rotate, the mounting table 1 rotates at the same time, the light emitter 4 and the light receiver 10 can be driven to rotate, by adjusting the positions of the light emitter 4 and the light receiver 10, safety warning can be used in some different directions.

[0027] A bidirectional screw rod 16 is movably connected to the inside of the mounting table 1, a threaded sleeve one 15 is threadedly connected to the left side of the outside of the bidirectional screw rod 16, a threaded sleeve two 17 is threadedly connected to the right side of the outside of the bidirectional screw rod 16, a top groove 18 is horizontally arranged at the middle position of the top end of the mounting table 1, a handle 12 is arranged at the right side of the mounting table 1, the top end of the threaded sleeve one 15 penetrates the inside of the top groove 18 and is fixedly connected with the bottom of the mounting seat one 2, and the top end of the threaded sleeve two 17 penetrates the inside of the top groove 18 and is fixedly connected with the bottom of the mounting seat two 9;

[0028] The left side of the rotating handle 12 is fixedly connected between the right side of the inside of the mounting table 1 and the right side of the bidirectional screw rod 16, the two ends of the bottom of the mounting seat one 2 and the mounting seat two 9 are fixedly provided with guide sliding blocks 20, and the two ends of the top of the mounting table 1 are transversely provided with guide sliding grooves 19, and the guide sliding blocks 20 are slidably connected in the guide sliding grooves 19;

[0029] Specifically, as shown in Figure 1 、 Figure 3 and Figure 4 , the rotating handle 12 is rotated on the right side of the mounting table 1 to drive the bidirectional screw rod 16 to rotate, and the bidirectional screw rod 16 is rotated to drive the top mounting seat one 2 and the mounting seat two 9 to move inward or outward simultaneously by the threaded sleeve one 15 and the threaded sleeve two 17, and the distance between the light emitter 4 and the light receiver 10 is adjusted, so that the size of the protection channel distance of the safety light curtain is adjusted.

[0030] The top end of the mounting seat one 2 is fixedly provided with a mounting bracket one 3, the top end and the bottom end of the left side of the light emitter 4 and the top end and the bottom end of the right side of the light receiver 10 are fixedly provided with connecting rods 22, the inside of the top end and the bottom end of the left side of the mounting bracket one 3 and the inside of the top end and the bottom end of the right side of the mounting bracket two 11 are provided with insertion holes 23, the connecting rods 22 are sleeved with washers 24, the connecting rods 22 are threadedly and rotatably connected with locking rings 21, the insertion holes 23 penetrate the inside of the left side of the mounting bracket one 3 and the inside of the right side of the mounting bracket two 11 respectively, and the connecting rods 22 penetrate the inside of the insertion holes 23;

[0031] Specifically, as shown in Figure 1 and Figure 5 , the mounting bracket one 3 and the mounting bracket two 11 are fixedly arranged at the top ends of the mounting seat one 2 and the mounting seat two 9 respectively, and after the light emitter 4 and the light receiver 10 are fixedly arranged in the inside of the mounting bracket one 3 and the mounting bracket two 11, the outside of the light curtain emitting and receiving assembly is protected by the mounting bracket one 3 and the mounting bracket two 11.

[0032] Working principle: in use, the utility model can be installed on the ground position in the sinking mode, in the use process, the light emitter 4 can emit several invisible infrared light beams, the light receiver 10 receives the infrared light beams from the light emitter 4, and a rectangular detection light curtain is formed. The whole light curtain detects in the way of scanning light beams one by one. If a part of the operator's body or an opaque workpiece intrudes into the light curtain area, it will cause light shielding. When the photoelectric protection device detects light shielding, it will enter the "abnormal" state within 20ms of response time and immediately send a signal to the control system to trigger the equipment to stop running or start emergency braking.

[0033] Meanwhile, the safety light curtain is used, the servo motor 14 can be controlled to start driving the worm 8 to rotate, the worm 8 rotates, the meshed worm gear 7 can be driven to rotate, the worm gear 7 rotates, the connecting shaft 6 can be used to drive the mounting table 1 to rotate, the mounting table 1 rotates, the light emitter 4 and the light receiver 10 can be driven to rotate, the positions of the light emitter 4 and the light receiver 10 can be adjusted, the safety warning can be used in different directions, meanwhile, the safety light curtain is used, the rotating handle 12 on the right side of the mounting table 1 can be used to drive the bidirectional screw rod 16 to rotate, the bidirectional screw rod 16 rotates, the threaded sleeve one 15 and the threaded sleeve two 17 can be used to drive the top mounting seat one 2 and the mounting seat two 9 to move inwards or outwards at the same time, the distance between the light emitter 4 and the light receiver 10 can be adjusted, the distance of the protection channel of the safety light curtain can be adjusted.

[0034] When the safety light curtain is installed and used, the mounting frame one 3 and the mounting frame two 11 are fixed at the top of the mounting seat one 2 and the mounting seat two 9 respectively, after the light emitter 4 and the light receiver 10 are installed and fixed in the inside of the mounting frame one 3 and the mounting frame two 11, the mounting frame one 3 and the mounting frame two 11 can be used to assist the outer cover of the light curtain emission and acceptance assembly to prevent collision and protection.

[0035] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A rotating safety light curtain, comprising a mounting platform (1), characterized in that: Mounting base 1 (2) is provided on the left side of the top of the mounting platform (1), and a light emitter (4) is provided on the top of mounting base 1 (2). Mounting base 2 (9) is provided on the right side of the top of the mounting platform (1), and a light receiver (10) is provided on the top of mounting base 2 (9). A base (5) is provided at the bottom of the mounting platform (1). A connecting shaft (6) is movably connected to the bottom of the base (5), and a worm gear (7) is fixed to the outside of the connecting shaft (6). A worm (8) is movably connected to the right side of the base (5), and the rear end of the worm (8) penetrates the interior of the rear end of the base (5). A servo motor (14) is installed and fixed to the right side of the rear end of the base (5). Auxiliary support wheels (13) are installed and fixed to both sides of the bottom of the mounting platform (1).

2. A rotating safety light curtain according to claim 1, characterized in that: The top end of the connecting shaft (6) passes through the interior of the top end of the base (5) and is fixedly connected to the bottom end of the mounting platform (1). The auxiliary support wheel (13) is symmetrically arranged about the vertical center line of the mounting platform (1).

3. A rotating safety light curtain according to claim 1, characterized in that: The worm (8) is meshed with the worm wheel (7), and the output shaft of the servo motor (14) is fixedly connected to the rear end of the worm (8).

4. A rotating safety light curtain according to claim 1, characterized in that: The mounting platform (1) is laterally connected to a double-acting screw (16). The left side of the double-acting screw (16) is threaded with a threaded sleeve (15), and the right side of the double-acting screw (16) is threaded with a threaded sleeve (17). A top groove (18) is laterally provided at the middle position of the top of the mounting platform (1). A rotating handle (12) is provided on the right side of the mounting platform (1). The top end of the threaded sleeve (15) penetrates the interior of the top groove (18) and is fixedly connected to the bottom end of the mounting seat (2). The top end of the threaded sleeve (17) penetrates the interior of the top groove (18) and is fixedly connected to the bottom end of the mounting seat (9).

5. A rotating safety light curtain according to claim 4, characterized in that: The left side of the rotating handle (12) passes through the inside of the right side of the mounting platform (1) and is fixedly connected to the right side of the bidirectional lead screw (16).

6. A rotating safety light curtain according to claim 4, characterized in that: Guide sliders (20) are fixed at both ends of the bottom of the first mounting base (2) and the second mounting base (9), and guide grooves (19) are provided horizontally at both ends of the top of the mounting platform (1). The guide sliders (20) are slidably connected in the guide grooves (19).

7. A rotating safety light curtain according to claim 1, characterized in that: Mounting bracket 1 (3) is fixedly mounted on the top of mounting base 1 (2). Connecting rods (22) are fixed to the top and bottom of the left side of the light emitter (4) and the top and bottom of the right side of the light receiver (10). Insertion holes (23) are provided inside the top and bottom of the left side of mounting bracket 1 (3) and the top and bottom of the right side of mounting bracket 2 (11). A gasket (24) is sleeved on the connecting rod (22). A locking ring (21) is threadedly connected to the connecting rod (22).

8. A rotating safety light curtain according to claim 7, characterized in that: The insertion hole (23) passes through the interior of the left side of mounting bracket one (3) and the interior of the right side of mounting bracket two (11), respectively, and the connecting rod (22) passes through the interior of the insertion hole (23).

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