Assembly line integrated light curtain shell part

By designing an integrated light curtain housing for the production line, the problem of light curtains being easily contaminated in industrial environments was solved, achieving dustproof performance, extending service life, and improving detection performance and the reliability of the conveying system.

CN223897666UActive Publication Date: 2026-02-10FOSHAN XIKONG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520295273.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-02-10
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

Existing light curtains are easily contaminated by dust and debris in industrial production environments, which leads to a decrease in detection accuracy and sensitivity, and a shortened service life.

Method used

Design an integrated light curtain housing for a production line, including a main shell, end caps, and a light curtain circuit board, which are fixed with screws to form a closed structure to prevent dust and debris from entering. The arc-shaped design on the top of the main shell serves as a transition strip, and the flat surface is flush with the belt to provide stable support.

Benefits of technology

It effectively prevents dust and debris contamination, ensures the performance of the light curtain, extends its service life, improves detection accuracy and sensitivity, reduces the risk of items getting stuck, and enhances the reliability and efficiency of the conveying system.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223897666U_ABST
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Abstract

The utility model discloses an assembly line integrated light curtain outer shell part which comprises a main shell, the top of the main shell is arranged in an arc shape, end covers are arranged at the two ends of the main shell, fixing lugs are fixedly connected to the surfaces of the end covers, the fixing lugs are arranged in an L shape, an installation groove is formed in the main shell, a light curtain circuit board is arranged in the installation groove, and a light filter plate is arranged in the center of the top of the main shell. A plurality of threaded holes are formed in the surface of the end cover, the end cover is fixed to the main shell in a threaded connection mode through screws penetrating through the threaded holes, the light curtain circuit board is sealed inside through the end cover, dust, chippings and other pollutants are effectively prevented from entering, and therefore the infrared ray emitting and receiving performance of the light curtain is guaranteed, and the detection accuracy and sensitivity are prevented from being reduced. The service life of the light curtain is greatly prolonged, the indicator lamps in the lamp grooves can be used for indicating the working state of the light curtain, operators can conveniently observe the working state of the light curtain, and the working efficiency and safety are improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of logistics conveying assembly line, and specifically relates to an assembly line integrated light curtain shell piece. BACKGROUND

[0002] In modern industrial production, the assembly line operation is a very common and efficient production mode in logistics transportation, in order to ensure the safe and stable operation of the assembly line, the light curtain as an important safety protection and detection function device is widely used in various industrial assembly line scenes, the light curtain can form a invisible detection package or the position information of the conveyed goods by emitting and receiving infrared rays, measure the size and safety protection barrier, when the light is blocked by the object, the light curtain will quickly respond, trigger the corresponding safety mechanism, avoid the occurrence of accidents, thereby guaranteeing the personal safety of the workers and the normal operation of the production equipment or issuing the position information for the data used by the machine.

[0003] The existing light curtain is usually installed on the surface of the conveyor, however, in the industrial production environment, there are often a large amount of dust, debris and other pollutants, since part of the light curtain is not equipped with a protective cover, the light curtain without the protective cover is easily invaded by the dust, once the dust enters the light curtain, it may be attached to the optical elements, circuit and other key parts, not only affecting the performance of the light curtain emitting and receiving infrared rays, reducing the detection accuracy and sensitivity, greatly shortening the service life of the light curtain. SUMMARY

[0004] The utility model discloses a kind of assembly line integrated light curtain shell pieces, to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: an assembly line integrated light curtain shell piece, comprising:

[0006] Main shell, the main shell top is arc-shaped, the main shell both ends are equipped with end cap, the end cap surface is fixedly connected with fixed lug and fixed lug is L-shaped setting, the main shell is equipped with mounting groove, the mounting groove is equipped with light curtain circuit board for being electrically connected with lamp strip, the main shell top center is equipped with light filter.

[0007] Preferably, the end cap surface is equipped with several threaded holes, and the end cap is fixedly connected with the main shell by screws penetrating the threaded holes.

[0008] Preferably, the end cap middle part is equipped with wiring hole for electrically connecting wire and light curtain circuit board.

[0009] Preferably, the fixed lug surface is equipped with mounting hole.

[0010] Preferably, the main housing is provided with a light groove for mounting the light strip at the top of the mounting groove.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] The light curtain circuit board is sealed inside by the end cap, which effectively prevents dust, debris and other contaminants from entering, thus ensuring the performance of the light curtain in emitting and receiving infrared rays, avoiding a decrease in detection accuracy and sensitivity, and greatly extending the service life of the light curtain. In addition, the light strip in the light trough can not only serve as an indicator of the working status of the production line, but also make it convenient for operators to observe the working status and situation of the light curtain, thereby improving work efficiency and safety.

[0013] The top of the main shell is arc-shaped, which can also serve as a transition strip for the belt conveyor. Its flat surface can reduce gaps and unevenness between belts. When items pass through the light curtain position during belt conveying, they can transition smoothly, reducing the risk of items getting stuck, falling or being damaged. This improves the overall reliability and conveying efficiency of the belt conveyor system and reduces production interruptions caused by poor conveying. Attached Figure Description

[0014] Fig. 1 This is a schematic diagram of the structure of this utility model;

[0015] Fig. 2 This is a schematic diagram of the structure of this utility model after the end cap is disassembled.

[0016] In the diagram: 1. Main shell; 2. End cap; 3. Fixing lug; 4. Mounting slot; 5. Light curtain circuit board; 6. Filter plate; 7. Threaded hole; 8. Wiring hole; 9. Mounting hole; 10. Lamp trough. 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, for example Figs. 1-2 The illustrated integrated light curtain housing includes:

[0019] The main shell 1 has an arc-shaped top and end caps 2 at both ends. The end caps 2 are fixedly connected to the surface of the end caps 3, which are L-shaped. The main shell 1 has an installation groove 4 inside, and a light curtain circuit board 5 for electrical connection with the lamp is provided in the installation groove 4. A light filter plate 6 is provided at the center of the top of the main shell 1.

[0020] The end cap 2 has several threaded holes 7 on its surface, and the end cap 2 is screwed to the main shell 1 by screws that pass through the threaded holes 7.

[0021] The end cap 2 has a wiring hole 8 in the middle for electrically connecting the wires to the light curtain circuit board 5. The wiring hole 8 can be sealed after the wires pass through, effectively preventing dust from entering the interior of the main shell 1.

[0022] The surface of the fixing ear 3 is provided with mounting holes 9, which can be used to fix the light curtain to the corresponding position on the production line using bolts or other connecting parts.

[0023] The main housing 1 is provided with a light groove 10 for installing light strips, located inside the mounting groove 4 and at the top of the mounting groove 4.

[0024] The integrated light curtain housing of this production line has a light curtain circuit board 5 that controls the light strip to emit infrared rays. The infrared rays are emitted outward through the light filter plate 6, forming an invisible light curtain barrier. When an object blocks the infrared rays in the light curtain, the light curtain circuit board 5 receives the change in light signal and reacts quickly, triggering the safety mechanism connected to it, such as stopping the production line operation and issuing an alarm, to avoid accidents such as collisions between personnel and equipment, and to ensure the personal safety of the staff and the normal operation of the production equipment.

[0025] During installation, the mounting holes 9 on the surface of the fixing ear 3 can be used to fix the light curtain to the corresponding position on the production line using bolts and other connectors. The wires are electrically connected to the light curtain circuit board 5 through the wiring holes 8 of the end cover 2 to achieve power supply and signal transmission. The light curtain circuit board 5 is connected to the light strip to control the working status of the light strip and transmit the signals detected by the light curtain to external devices, realizing the coordinated work of the entire production line system. The main shell 1 and the end cover 2 form a closed structure. The light curtain circuit board 5 is installed in the mounting groove 4 of the main shell 1, and the wiring holes 8 in the middle of the end cover 2 can also be sealed after the wires pass through, effectively preventing dust from entering the interior and providing a good dustproof environment for the light curtain circuit board 5 and other internal components.

[0026] Because the top of the main shell 1 is arc-shaped, when used as a transition strip for the belt conveyor, the light curtain is installed at the connection of adjacent belts. Its flat surface is flush with the belt surface. When the item is conveyed on the belt to the light curtain position, the light curtain provides a continuous and smooth support surface for the item. The item can pass smoothly through the belt gaps, reducing bumps and jams caused by gaps and unevenness, and ensuring the stability of the item conveying.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A streamlined integrated light curtain housing, characterized in that, include: The main shell (1) has an arc-shaped top and end caps (2) at both ends. The end caps (2) are fixedly connected to the surface of the end caps (2) and the fixed ears (3) are L-shaped. The main shell (1) has an installation groove (4) inside and a light curtain circuit board (5) for electrical connection with the lamp strip inside. The main shell (1) has a filter plate (6) at the center of the top. The end cap (2) has several threaded holes (7) on its surface. The end cap (2) is screwed to the main shell (1) by screws that pass through the threaded holes (7). The end cap (2) has a wiring hole (8) in the middle for electrically connecting the wires to the light curtain circuit board (5). The surface of the fixing ear (3) is provided with mounting holes (9); The main housing (1) is provided with a light groove (10) for installing light strips, located inside and at the top of the mounting groove (4).