Laser engraving machine for jewelry processing

By integrating an air intake hood, filter box, and activated carbon filter element into a laser engraving machine, the problem of harmful gas escape during jewelry engraving is solved, achieving safe gas filtration and low-cost maintenance.

CN224209280UActive Publication Date: 2026-05-08XINGYUE PRECIOUS METALS (GUANGXI) CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XINGYUE PRECIOUS METALS (GUANGXI) CO LTD
Filing Date
2025-05-29
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Existing laser engraving machines used in jewelry processing can produce harmful gases during the engraving process due to the high temperature of the laser on some jewelry materials. These harmful gases cannot be controlled and are released into the air, endangering the health of the operators.

Method used

A system with an intake hood, a filter box, and an activated carbon filter element was designed. Harmful gases are drawn into the chamber by an exhaust fan and then discharged after being filtered through the filter box and activated carbon filter element, preventing the spread of harmful gases and ensuring the health of operators.

Benefits of technology

It effectively filters harmful gases, prevents operators from inhaling harmful substances, reduces maintenance costs, and improves operational safety.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224209280U_ABST
    Figure CN224209280U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of jewelry processing equipment, and particularly relates to a laser engraving machine for jewelry processing, which comprises a table body, a supporting table conveying rail is arranged on the top surface of the right side of the table body, and an overturning engraving supporting table is arranged at the top end of the supporting table conveying rail. According to the jewelry engraving machine, the exhaust fan is started, the input end of the exhaust fan conveys air in the box body outwards through the communicating pipe, the telescopic hose connected with the top of the box body enables the suction hood to generate suction force at the position of the suction hood, and harmful gas generated when jewelry on the engraving supporting table is turned over to be engraved can be sucked into the suction hood; the exhaust fan is arranged in the box body and then input into the box body, particulate matters and harmful substances in the gas can be filtered through the filter basket and the activated carbon filter element arranged in the box body, and the filtered gas is conveyed out from the output end of the exhaust fan through the communicating pipe, so that an operator is prevented from inhaling the harmful gas, and the body health of the operator is ensured.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the technical field of jewelry processing equipment, specifically relating to a laser engraving machine for jewelry processing. Background Technology

[0002] Jewelry is often engraved on its surface during processing. This is where operators use laser engraving machines. By inputting a pre-set program, the laser engraving machine can engrave the jewelry according to the program.

[0003] For example, the laser engraving machine for jewelry processing disclosed in CN113263266B includes: a multi-axis laser engraving head, a flip-carving platform, and a platform guide rail. A jewelry clamping mechanism is fixedly installed on the top surface of the flip-carving platform, and a positioning and locking mechanism is provided inside the platform. The flip-carving platform includes a tray, an engraving seat, and a flip drive box fixedly installed on the bottom surface of the tray. Torsion ears are provided on both sides of the bottom surface of the engraving seat, and a flip drive cylinder is fixedly installed inside the flip drive box. The jewelry clamping mechanism includes a clamping seat, a locking sleeve, and concentric clamping arms. The positioning and locking mechanism includes a hydraulic clamping cylinder and friction clamps. In this invention, by setting a mechanical jewelry positioning structure, the relative movement of the locking sleeve and the concentric clamping arms is used to deflect and clamp the concentric clamping arms, solving the problems of low efficiency and cumbersome clay fixation in traditional jewelry engraving processing. This positioning method is simple and easy to implement, and allows for long-term high-temperature laser engraving, improving the practicality of the engraving equipment.

[0004] The inventor believes that the aforementioned laser engraving machine can also be used to engrave jewelry. However, when engraving jewelry, some materials of jewelry will produce some harmful gases due to the high temperature of the laser. The laser engraving machine cannot treat these gases, which will escape into the air and be inhaled by the operator, causing damage to the operator's health.

[0005] Therefore, this utility model provides a laser engraving machine for jewelry processing to solve the above problems. Utility Model Content

[0006] The purpose of this utility model is to provide a laser engraving machine for jewelry processing, which aims to solve the problem that existing laser engraving machines, when engraving jewelry, produce some harmful gases due to the high temperature of the laser, and the existing laser engraving machine cannot treat these gases, causing them to escape into the air and be inhaled by the operator, resulting in damage to the operator's health.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a laser engraving machine for jewelry processing, comprising a table body, a support rail on the top surface of the right side of the table body, a flipping engraving support at the top of the support rail, a multi-axis laser engraving head on the top surface of the left side of the table body, a mounting frame connected to the rear end surface of the support rail, an air suction hood penetrating the front end surface of the mounting frame, a telescopic hose connected to the rear end surface of the air suction hood, the other end of the telescopic hose extending into a housing, two placement slots on the rear end surface of the housing, a filter box slidably placed inside one placement slot, a filter basket connected to the inner surface of the filter box, and an activated carbon filter element slidably placed inside the other placement slot, a connecting pipe connected to the bottom surface of the housing, the other end of the connecting pipe connected to the input end of an exhaust fan.

[0008] As a preferred embodiment of the laser engraving machine for jewelry processing according to this utility model, a sealing ring is connected around the outer surface of one end of the filter box and the activated carbon filter element, and one end of the sealing ring is engaged in the sealing groove opened on the inner surface of the placement groove.

[0009] As a preferred embodiment of the laser engraving machine for jewelry processing according to this utility model, two butterfly bolts are connected through the right side surface of the housing, and the other end of the butterfly bolts is threadedly connected to the filter box or activated carbon filter element.

[0010] As a preferred embodiment of the laser engraving machine for jewelry processing according to this utility model, the filter box has a transparent observation port on its rear end surface, the exhaust fan is connected to the top surface of the mounting plate, the mounting plate is connected to the inner surface of the bottom end of the table, and the exhaust fan is electrically connected to an external power supply through a control switch.

[0011] As a preferred embodiment of the laser engraving machine for jewelry processing according to this utility model, the top of the filter basket is connected to both sides of the surface with connecting protrusions. One end of the connecting protrusion extends into the connecting groove symmetrically opened on the top surface of the filter box. The top surface of the connecting protrusion is symmetrically opened with grooves. One end of the bolt is connected to the inner surface of the groove. The other end of the bolt passes through the connecting protrusion and the filter box to form a threaded connection.

[0012] As a preferred embodiment of the laser engraving machine for jewelry processing according to this utility model, a rubber cap is fitted onto the inner surface of the top of the groove, and the bottom surface of the rubber cap is in contact with the top surface of the bolt.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] This invention utilizes an exhaust fan. The fan's input end draws air from the chamber outwards through a connecting pipe. The flexible hose connected to the top of the chamber then creates suction at the suction hood. During the carving process on the jewelry on the carving platform, harmful gases are drawn into the suction hood and then into the chamber. Inside the chamber, a filter basket and activated carbon filter remove particulate matter and harmful substances. The filtered gas is then exited through the exhaust fan's output end via the connecting pipe, preventing operators from inhaling harmful gases and ensuring their health.

[0015] This invention utilizes the interplay of connecting protrusions, connecting grooves, recesses, bolts, and rubber caps. When the filter basket is damaged, the rubber cap can be pried open with a tool, and the bolts can be unscrewed, allowing the connecting protrusions to slide out of the connecting grooves. This enables the filter basket to be removed from the filter box for individual maintenance and replacement, preventing operators from replacing the entire filter box and thus saving on the maintenance costs of the laser engraving machine. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a schematic diagram of the rear view structure of this utility model;

[0018] Figure 2 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 3 This is a schematic diagram of a partial exploded structure of the housing of this utility model;

[0020] Figure 4 This is a partial exploded view of the filter box of this utility model.

[0021] In the diagram: 1. Table body; 2. Tray rail; 3. Flip-over engraving tray; 4. Multi-axis laser engraving head; 5. Mounting frame; 6. Suction hood; 7. Telescopic hose; 8. Box body; 9. Placement slot; 10. Filter box; 11. Filter basket; 12. Activated carbon filter element; 13. Sealing ring; 14. Sealing groove; 15. Butterfly bolt; 16. Transparent observation port; 17. Connecting pipe; 18. Exhaust fan; 19. Mounting plate; 20. Connecting protrusion; 21. Connecting groove; 22. Groove; 23. Bolt; 24. Rubber cap. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] Please see Figures 1-4 This utility model provides the following technical solution: A laser engraving machine for jewelry processing includes a table body 1, a support rail 2 is provided on the top surface of the right side of the table body 1, a flip engraving support 3 is provided at the top of the support rail 2, a multi-axis laser engraving head 4 is provided on the top surface of the left side of the table body 1, a mounting frame 5 is connected to the rear end surface of the support rail 2, an air suction hood 6 is connected through the front end surface of the mounting frame 5, a telescopic hose 7 is connected to the rear end surface of the air suction hood 6, the other end of the telescopic hose 7 extends into the housing 8, two placement slots 9 are opened on the rear end surface of the housing 8, the housing 8 is connected to the rear end surface of the table body 1, a filter box 10 is slidably placed inside one placement slot 9, a filter basket 11 is connected to the inner surface of the filter box 10, an activated carbon filter element 12 is slidably placed inside the other placement slot 9, a connecting pipe 17 is connected to the bottom surface of the housing 8, and the other end of the connecting pipe 17 is connected to the input end of an exhaust fan 18.

[0024] Preferably, a sealing ring 13 is connected around the outer surface of both the filter box 10 and the activated carbon filter element 12 at one end, and one end of the sealing ring 13 is engaged in the sealing groove 14 opened on the inner surface of the placement groove 9.

[0025] In actual use, when the filter box 10 and the activated carbon filter element 12 are slidably placed into the corresponding placement slots 9 of the housing 8, the sealing rings 13 on the filter box 10 and the activated carbon filter element 12 will also move to the sealing slots 14 in the placement slots 9. At this time, the sealing rings 13 can be elastically engaged in the sealing slots 14, thereby increasing the sealing between the filter box 10 and the activated carbon filter element 12 and the housing 8, ensuring that the gas in the housing 8 will not escape from the placement slots 9.

[0026] Preferably, two butterfly bolts 15 are connected through the right side surface of the housing 8, and the other end of the butterfly bolt 15 is threadedly connected to the filter box 10 or the activated carbon filter element 12.

[0027] In practical use, when the filter box 10 and the activated carbon filter element 12 are slidably placed into the corresponding placement slots 9 of the housing 8, the butterfly bolt 15 is threaded through the housing 8 and screwed into the filter box 10 or the activated carbon filter element 12, so that the filter box 10 or the activated carbon filter element 12 can be fixed in the placement slots 9 on the housing 8.

[0028] Preferably, the filter box 10 has a transparent observation port 16 on its rear end surface, the exhaust fan 18 is connected to the top surface of the mounting plate 19, the mounting plate 19 is connected to the inner surface of the bottom end of the table body 1, and the exhaust fan 18 is electrically connected to an external power source through a control switch.

[0029] In practical use, the exhaust fan 18 is a WB3-2E0-H negative pressure exhaust fan. The exhaust fan 18 is installed on the mounting plate 19 at the bottom of the table body 1. The exhaust fan 18 can be controlled by the control switch, so that the air volume of the exhaust fan 18 can be adjusted.

[0030] Preferably, the top two surfaces of the filter basket 11 are connected with connecting protrusions 20. One end of the connecting protrusion 20 extends into the connecting groove 21 symmetrically opened on the top surface of the filter box 10. The top surface of the connecting protrusion 20 is symmetrically provided with grooves 22. One end of the bolt 23 is connected to the inner surface of the groove 22. The other end of the bolt 23 passes through the connecting protrusion 20 and the filter box 10 to form a threaded connection.

[0031] In practical use, when the connecting protrusions 20 on both sides of the filter basket 11 are slid into the connecting grooves 21 on the filter box 10, the bolts 23 are then placed into the grooves 22. The bolts 23 are then screwed into the filter box 10 through the connecting protrusions 20, so that the position of the connecting protrusions 20 is fixed in the connecting grooves 21, and the filter basket 11 is installed and fixed on the filter box 10 through the connecting protrusions 20. At this time, the head of the bolts 23 will be inside the grooves 22.

[0032] Preferably, a rubber cap 24 is fitted onto the inner surface of the top of the groove 22, and the bottom surface of the rubber cap 24 is in contact with the top surface of the bolt 23.

[0033] In practical use, after the bolt 23 is installed, the rubber cap 24 is inserted into the groove 22, which allows the rubber cap 24 to engage in the groove 22, thereby protecting the bolt 23 and improving its service life.

[0034] It should be noted that the platform rail 2 is an electromagnetic slide rail structure. The input end of the multi-axis laser engraving head 4 and the platform rail 2 are electrically connected to a controller. The multi-axis laser engraving head 4 and the platform rail 2 adopt the existing three-axis laser engraving machine and electromagnetic slide rail in the technical field. The movement of the multi-axis laser engraving head 4 can be controlled by the programming input of the controller, and the platform rail 2 can drive the flipping of the engraving platform 3 to engrave patterns. At the same time, the dimensions of the two placement slots 9 are matched with the dimensions of the filter box 10 and the activated carbon filter element 12, respectively. The filter basket 11 in the filter box 10 can be customized to be processed with matching pore sizes for use. The activated carbon filter element 12 can also be customized to be processed with matching shapes and sizes for use. The telescopic hose 7 can be telescopic, so that the telescopic hose 7 will not affect the movement of the platform rail 2.

[0035] Working Principle: When using this jewelry processing laser engraving machine, firstly, the stage rail 2 drives the rotating engraving stage 3 to directly below the multi-axis laser engraving head 4, and calibrates the initial position so that the laser port of the multi-axis laser engraving head 4 is aligned with the center of the jewelry clamping mechanism on the rotating engraving stage 3. Then, the jewelry to be processed is placed inside the jewelry clamping mechanism for clamping. The movement of the multi-axis laser engraving head 4 and the rotation of the engraving stage 3 via the stage rail 2 can be controlled through the controller's programming input, allowing for pattern engraving on the jewelry. Harmful gases are generated during engraving. At this time, the exhaust fan 18 is activated by the control switch, allowing the exhaust fan 18 to transport the air inside the housing 8 outwards through the connecting pipe 17. The telescopic hose 7 connected to the top of the housing 8 then creates suction at the suction hood 6, which absorbs the generated harmful gases and then transports them back through the telescopic hose 7. When harmful gases circulate inside the housing 8, the filter basket 11 and activated carbon filter element 12 inside the housing 8 will filter particulate impurities and harmful substances in the harmful gases respectively. The filtered gas is then transported out from the output end of the exhaust fan 18 through the connecting pipe 17, thereby preventing operators from inhaling harmful gases and ensuring the health of operators. Secondly, when the filter basket 11 is damaged, first unscrew the butterfly bolt 15 that fixes the filter box 10, so that the filter box 10 can be pulled out from the placement groove 9 on the housing 8. Then, use a tool to pry open the rubber cover 24 at the top of the groove 22 to expose the bolt 23. Then, unscrew the bolt 23, so that the connecting protrusion 20 can slide out from the connecting groove 21. In this way, the filter basket 11 can be removed from the filter box 10 for individual maintenance and replacement, preventing operators from replacing the entire filter box 10, thereby saving the maintenance cost of the laser engraving machine.

[0036] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the 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 this utility model should be included within the protection scope of this utility model.

Claims

1. A laser engraving machine for jewelry processing, comprising a table (1), characterized in that: The table body (1) has a support rail (2) on the top surface of the right side, and a flipping engraving support (3) at the top of the support rail (2). The table body (1) has a multi-axis laser engraving head (4) on the top surface of the left side. The support rail (2) is connected to a mounting bracket (5) at the rear end. The mounting bracket (5) is connected to a suction hood (6) at the front end. The suction hood (6) is connected to a telescopic hose (7) at the rear end. The other end of the telescopic hose (7) extends into the box body (8). The box body (8) has two placement slots (9) at the rear end. A filter box (10) is slidably placed inside one of the placement slots (9). A filter basket (11) is connected to the inner surface of the filter box (10). An activated carbon filter element (12) is slidably placed inside the other placement slot (9). A connecting pipe (17) is connected to the bottom surface of the box body (8). The other end of the connecting pipe (17) is connected to the input end of an exhaust fan (18).

2. The laser engraving machine for jewelry processing according to claim 1, characterized in that: The outer surface of both the filter box (10) and the activated carbon filter element (12) is surrounded by a sealing ring (13), and one end of the sealing ring (13) is engaged in the sealing groove (14) opened on the inner surface of the placement groove (9).

3. The laser engraving machine for jewelry processing according to claim 1, characterized in that: Two butterfly bolts (15) are connected through the right side surface of the box (8), and the other end of the butterfly bolt (15) is threadedly connected to the filter box (10) or the activated carbon filter element (12).

4. The laser engraving machine for jewelry processing according to claim 1, characterized in that: The filter box (10) has a transparent observation port (16) on its rear end surface. The exhaust fan (18) is connected to the top surface of the mounting plate (19). The mounting plate (19) is connected to the inner surface of the bottom end of the table body (1). The exhaust fan (18) is electrically connected to an external power source through a control switch.

5. A laser engraving machine for jewelry processing according to claim 1, characterized in that: The top of the filter basket (11) is connected to two sides of the top surface with connecting protrusions (20). One end of the connecting protrusion (20) extends into the connecting groove (21) symmetrically opened on the top surface of the filter box (10). The top surface of the connecting protrusion (20) is symmetrically opened with grooves (22). One end of the bolt (23) is connected to the inner surface of the groove (22). The other end of the bolt (23) passes through the connecting protrusion (20) and the filter box (10) to form a threaded connection.

6. A laser engraving machine for jewelry processing according to claim 5, characterized in that: A rubber cap (24) is fitted onto the inner surface of the top of the groove (22), and the bottom surface of the rubber cap (24) is in contact with the top surface of the bolt (23).

Citation Information

Patent Citations

  • Laser engraving machine for jewelry processing

    CN113263266B