Reversible laser welding device for precious metal handicrafts

Abstract

The utility model discloses a reversible laser welding device for precious metal handicrafts, which belongs to the technical field of precious metal welding and comprises a worktable for connecting precious metal welding handicrafts and two fixing boxes movably connected to the surface of the worktable, and a rotating motor is mounted on the outer wall of one side of each fixing box. Rotating columns are rotationally connected into the fixing box, positioning seats are fixed to the opposite faces of the two rotating columns, rotating holes are formed in the outer walls of one sides of the positioning seats, positioning columns are rotationally connected into the rotating holes of the positioning seats, fixing frames are fixed to the opposite faces of the two positioning columns, and supporting blocks are fixed into the fixing frames; the upper side and the lower side of the fixing frame are both in threaded connection with fixing screws, and one ends of the fixing screws are rotationally connected with pressing plates. According to the turnover type laser welding device for the precious metal handicraft, precious metal of different shapes can be fixed, the two faces of the precious metal handicraft can be welded, and the welding effect of the precious metal handicraft is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of precious metal welding, and in particular relates to a reversible laser welding device for precious metal handicrafts. Background Art

[0002] Precious metal crafts refer to cultural and creative products that use precious metals such as gold and silver as carriers and integrate precious metals with Chinese culture through creative design and modern technology. These products have distinct cultural attributes and show high design value, craft value and commemorative value. When processing precious metal crafts, laser welding equipment is often used to weld precious metal crafts.

[0003] In the prior art, most laser welding devices do not have a flipping function. When the laser welding device is used for welding, the welding time of precious metal crafts is affected, the use is inconvenient, the welding effect is poor, and the processing efficiency is reduced.

[0004] Reference authorization announcement number: CN217290873U Chinese authorized patent: A reversible laser welding device for precious metal crafts. This utility model drives the rotating shaft to rotate through a coupling. Through the rotation of the rotating shaft, the rotating roller and the clamping plate drive the precious metal crafts to flip, and the precious metal crafts are welded on both sides to improve their welding effect.

[0005] However, in the process of fixing precious metal crafts, the shapes of precious metal crafts are various. Due to the structure of the clamping plate and the limiting plate, it is often only possible to clamp and fix plate-shaped precious metal crafts, and it is not convenient to disassemble and replace, resulting in certain limitations in its use. Utility Model Content

[0006] The purpose of the utility model is to provide a reversible laser welding device for precious metal crafts, so as to solve the problem that the above-mentioned background technology can only clamp and fix plate-shaped precious metal crafts, and is not convenient for disassembly and replacement, resulting in certain limitations in its use.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reversible laser welding device for precious metal crafts, comprising a workbench for precious metal crafts welding and two fixed boxes movably connected to the surface of the workbench, a rotating motor is installed on one outer wall of the fixed box, and a rotating column is rotatably connected in the fixed box, and positioning seats are fixed on opposite surfaces of the two rotating columns, a rotating hole is opened on the outer wall of the positioning seat away from the fixed box, and a positioning column is rotatably connected in the rotating hole of the positioning seat;

[0008] A fixing frame for fixing precious metal crafts is fixed on the opposite surfaces of the two positioning columns, a support block is fixed inside the fixing frame, and threaded holes are provided on the upper and lower outer walls of the fixing frame, a fixing screw is threadedly connected in the threaded holes of the fixing frame, one end of the fixing screw is rotatably connected to a pressure plate, and an arc groove is provided on the opposite surfaces of the pressure plate and the support block.

[0009] In a further embodiment, a dual-axis motor is installed on the bottom wall of the inner cavity of the workbench, and guide screws are fixed to both output ends of the dual-axis motor, and the outer wall of the guide screw is threadedly connected to a guide block fixedly connected to the fixed box.

[0010] In a further embodiment, a driving gear is fixed to the outer wall of the output shaft of the rotating motor, and a driven gear meshing with the driving gear is fixed to the outer wall of the rotating column.

[0011] In a further embodiment, a through hole is formed on an outer wall of one side of the positioning seat, and a positioning pin is movably connected in the through hole of the positioning seat, and a positioning hole matching the positioning pin is formed on the outer wall of the positioning column.

[0012] In a further embodiment, a limiting ring is fixed to the outer wall of the positioning pin, and a fixing spring for supporting the limiting ring is sleeved on the outside of the positioning pin.

[0013] In a further embodiment, a robotic arm is installed on the surface of the workbench, and a laser welder for welding precious metal crafts is installed at the driving end of the robotic arm.

[0014] Technical effects and advantages of the utility model:

[0015] The reversible laser welding device for precious metal crafts can fix plate-shaped precious metal crafts by matching the upper pressing plate with the supporting block. Meanwhile, arc grooves are provided on the lower pressing plate and the supporting block, so that columnar precious metal crafts can be fixed, thereby meeting the processing requirements of different precious metal crafts and being more flexible and convenient to use.

[0016] The rotating motor can drive the rotating column to rotate, thereby driving the fixed frame to rotate, automatically turning over the precious metal crafts, and can weld both sides of the precious metal crafts to improve the welding effect;

[0017] The dual-axis motor can drive the two fixing frames to move toward or oppositely at the same time, and the distance between the two fixing frames can be adjusted according to the size of the precious metal crafts. The flip-type laser welding device for precious metal crafts can not only fix precious metals of different shapes, but also weld both sides of the precious metal crafts, thereby improving the welding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a cross-sectional view of the working table and the fixing box of the utility model;

[0021] Figure 3 It is a cross-sectional view of the positioning seat of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the fixing frame of the utility model.

[0023] In the figure: 1. workbench; 2. dual-axis motor; 3. guide screw; 4. guide block; 5. fixed box; 6. rotating motor; 7. driving gear; 8. rotating column; 9. driven gear; 10. positioning seat; 11. positioning column; 12. positioning pin; 13. limiting ring; 14. fixing spring; 15. fixing frame; 16. support block; 17. fixing screw; 18. pressure plate; 19. robotic arm; 20. laser welder. DETAILED DESCRIPTION

[0024] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0025] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside in the figures shown in the present utility model, and are explained here together.

[0026] In order to fix precious metals of different shapes, and weld both sides of precious metal crafts at the same time, to improve the welding effect, such as Figures 1 to 4As shown, a double-axis motor 2 is installed on the bottom wall of the inner cavity of the workbench 1 by bolts, and guide screws 3 are fixed to the two output ends of the double-axis motor 2 by couplings, the thread grooves of the two guide screws 3 are in opposite directions, and the outer wall of the guide screw 3 is threadedly connected with a guide block 4, and a guide groove for the guide block 4 to move is opened on the surface of the workbench 1, and a fixing box 5 is welded on the surface of the guide block 4;

[0027] A rotating motor 6 is installed on the left outer wall of the left fixed box 5 by bolts, a driving gear 7 is fixed to the outer wall of the output shaft of the rotating motor 6, and a rotating column 8 is rotatably connected to the fixed box 5 through a welded bearing, a driven gear 9 meshing with the driving gear 7 is fixed to the outer wall of the rotating column 8, and positioning seats 10 are welded to the opposite surfaces of the two rotating columns 8, and a rotating hole is opened on the outer wall of the positioning seat 10 away from the fixed box 5, and a positioning column 11 is rotatably connected in the rotating hole of the positioning seat 10, and a fixing frame 15 for fixing precious metals is fixed to the opposite surfaces of the two positioning columns 11, and a support block 1 is welded inside the fixing frame 15 6. The upper and lower outer walls of the fixing frame 15 are provided with threaded holes, and the threaded holes of the fixing frame 15 are internally threadedly connected with a fixing screw 17. One end of the fixing screw 17 is rotatably connected with a pressing plate 18 through a welded bearing. The lower pressing plate 18 and the opposite surfaces of the supporting block 16 are provided with arc grooves. The upper pressing plate 18 is matched with the supporting block 16 to fix the plate-shaped precious metal crafts. At the same time, the lower pressing plate 18 and the supporting block 16 are provided with arc grooves, so that the columnar precious metal crafts can be fixed, thereby meeting the processing requirements of different precious metal crafts, and the use is more flexible and convenient;

[0028] A through hole is provided on one side outer wall of the positioning seat 10, and a positioning pin 12 is movably connected in the through hole of the positioning seat 10, and a positioning hole matching the positioning pin 12 is provided on the outer wall of the positioning column 11. A limiting ring 13 is fixed to the outer wall of the positioning pin 12, and a fixing spring 14 for supporting the limiting ring 13 is sleeved on the outside of the positioning pin 12. The fixing spring 14 supports the limiting ring 13, so that the positioning pin 12 is inserted into the positioning hole of the positioning column 11, and the position of the fixing frame 15 can be fixed. At the same time, the positioning pin 12 is pulled to separate the positioning pin 12 from the positioning column 11, and the fixing frame 15 can be rotated according to processing requirements, and it is convenient to disassemble and assemble the fixing frame 15, and it can be used according to the processing requirements of precious metal crafts. The shape of the fixing frame 15 is replaced, and the rotating motor 6 can drive the rotating column 8 to rotate, thereby driving the fixing frame 15 to rotate, automatically flipping the precious metal crafts, and can weld both sides of the precious metal crafts to improve their welding effect. The dual-axis motor 2 can drive the two fixing frames 15 to move toward or oppositely at the same time, and can adjust the distance between the two fixing frames 15 according to the size of the precious metal crafts. A mechanical arm 19 is installed on the surface of the workbench 1 by bolts, and a laser welder 20 for welding precious metal crafts is installed on the driving end of the mechanical arm 19. Both the mechanical arm 19 and the laser welder 20 are existing technologies, and their structures will not be described in detail here.

[0029] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The control method of the utility model is controlled by a controller, and the control circuit of the controller can be realized by simple programming by technicians in this field. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0030] In the description of the present invention, it is necessary to understand that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] Working principle:

[0032] When the precious metal craft reversible laser welding device is used, the dual-axis motor 2 is started to drive the guide screw 3 to rotate, and the guide screw 3 drives the two fixing boxes 5 to move through the guide block 4, so that the two fixing frames 15 move towards or in the opposite direction at the same time, and the distance between the two fixing frames 15 is adjusted according to the size of the precious metal craft;

[0033] After the position adjustment of the fixing frame 15 is completed, the precious metal craft is placed at a suitable position of the fixing frame 15 according to its shape, and the fixing screw 17 is rotated to drive the pressing plate 18 to move, and the precious metal craft is pressed between the pressing plate 18 and the supporting block 16 to fix the precious metal craft. The laser welder 20 is driven by the mechanical arm 19 to weld the precious metal craft. When the precious metal craft needs to be turned over, the rotating motor 6 is started to drive the driving gear 7 to rotate, and the driving gear 7 drives the rotating column 8 to rotate through the driven gear 9, thereby driving the fixing frame 15 to rotate, automatically turning the precious metal craft, and welding the precious metal craft on both sides to improve its welding effect.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reversible laser welding device for precious metal crafts, comprising a workbench (1) for welding precious metal crafts and two fixed boxes (5) movably connected to the surface of the workbench (1), characterized in that: A rotating motor (6) is installed on an outer wall of one side of the fixed box (5), and a rotating column (8) is rotatably connected inside the fixed box (5), and positioning seats (10) are fixed to opposite surfaces of the two rotating columns (8), a rotating hole is opened on the outer wall of the positioning seat (10) away from the fixed box (5), and a positioning column (11) is rotatably connected in the rotating hole of the positioning seat (10); A fixing frame (15) for fixing precious metal crafts is fixed on the opposite surfaces of the two positioning columns (11), a support block (16) is fixed inside the fixing frame (15), and threaded holes are provided on the upper and lower outer walls of the fixing frame (15), a fixing screw (17) is threadedly connected in the threaded hole of the fixing frame (15), one end of the fixing screw (17) is rotatably connected to a pressing plate (18), and an arc groove is provided on the opposite surfaces of the pressing plate (18) and the support block (16).

2. The reversible laser welding device for precious metal crafts according to claim 1 is characterized in that: A dual-axis motor (2) is installed on the bottom wall of the inner cavity of the workbench (1), and guide screws (3) are fixed to both output ends of the dual-axis motor (2), and the outer wall of the guide screw (3) is threadedly connected to a guide block (4) fixedly connected to the fixing box (5).

3. The reversible laser welding device for precious metal crafts according to claim 1 is characterized in that: A driving gear (7) is fixed to the outer wall of the output shaft of the rotating motor (6), and a driven gear (9) meshing with the driving gear (7) is fixed to the outer wall of the rotating column (8).

4. The reversible laser welding device for precious metal crafts according to claim 1 is characterized in that: A through hole is formed on one side outer wall of the positioning seat (10), and a positioning pin (12) is movably connected in the through hole of the positioning seat (10), and a positioning hole matching the positioning pin (12) is formed on the outer wall of the positioning column (11).

5. The reversible laser welding device for precious metal crafts according to claim 4 is characterized in that: A limiting ring (13) is fixed to the outer wall of the positioning pin (12), and a fixing spring (14) for supporting the limiting ring (13) is sleeved on the outside of the positioning pin (12).

6. The reversible laser welding device for precious metal crafts according to claim 2 is characterized in that: A mechanical arm (19) is installed on the surface of the workbench (1), and a laser welder (20) for welding precious metal crafts is installed on the driving end of the mechanical arm (19).

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