Full-automatic lamp body welding device

Abstract

A full-automatic lamp body welding device comprises a workbench, a laser energy supply device, a ventilation system, a laser welding gun and a servo motor, the laser energy supply device, the ventilation system, the laser welding gun and the servo motor are arranged on one side of the workbench at intervals, a protective fence is arranged at the top of the workbench, a first opening is formed in one side of the protective fence, and a mounting base is fixed to the first opening in a bolted mode; a first threaded hole is formed in the top of the mounting base, an adjusting rod is rotatably mounted in the first threaded hole, a laser welding gun is detachably mounted at the top of the adjusting rod, a second opening is formed in the other side of the protective fence, a hinge is fixedly connected to one side of the second opening in a threaded mode, and a protective door plate is hinged to one side of the protective fence; a fixing seat is fixedly bolted to the inner top of the workbench, a servo motor is fixedly bolted to the bottom of the workbench, and a limiting device is fixedly mounted at the top of a rotating shaft of the servo motor. Through the servo motor and the limiting device, a workpiece to be welded can automatically rotate, and welding is automatically completed in cooperation with the laser welding gun with the adjustable height and angle.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser welding technical field especially relates to a full -automatic lamp body welding device. BACKGROUND

[0002] Due to the development of the integral lamp cylinder related technology, in the production and research and development process of the integral lamp cylinder, the original traditional lamp design needs to be changed, and a large volume lamp tube and electrical elements are put in, and then welding packaging is carried out. In the existing glass lampshade manufacturing industry, the welding work has been realized by using the fuel such as burning oxygen, gas and the like in the way of fire welding. Due to the reasons such as large heating area, high temperature, and difficult to realize accurate control of temperature, the fire welding causes low yield, easy damage of electrical elements, poor welding quality and other defects. In addition, under the circumstances of increasingly urgent environmental protection requirements and gradual depletion of non-renewable energy sources, how to apply the laser welding process method to the welding of the integral lamp cylinder has become a technical problem that must be solved. SUMMARY

[0003] The utility model aims at providing a full -automatic lamp body welding device to solve the above-mentioned prior art problems.

[0004] The above technical purpose of the utility model is realized by the following technical scheme:

[0005] A full -automatic lamp body welding device, including workbench, laser energy supply device, ventilation system, laser welding torch and servo motor that are arranged at one side of workbench, the top of workbench is provided with the protection fence, one side of protection fence is provided with first open mouth, first open mouth is fixed with the mounting seat of the bolt, the top of mounting seat is provided with first threaded hole, the first threaded hole is rotatably installed with adjusting rod, the top of adjusting rod is detachably installed laser welding torch, the output of laser energy supply device is connected with the input of laser welding torch through cable, laser welding torch is used for welding the workpiece to be welded fixed in the inside of protection fence, the other side of protection fence is provided with second open mouth, the side of second open mouth is fixed with the hinge of screwing, the side of protection fence is hinged with the protection door board, the inside top middle position of workbench is provided with first through -hole, the inside top of workbench is fixed with the fixed seat of the bolt, the bottom of fixed seat is provided with second through -hole, first through -hole and second through -hole are coaxially arranged, and the bottom of workbench is fixed with servo motor of the bolt, the rotation axis of servo motor rotates and is provided with the limiting device of second through -hole, the rotation axis top of servo motor is fixed and is installed with the limiting device for fixed workpiece to be welded, the side opposite to laser welding torch of fixed seat is provided with baffle, the side opposite to second open mouth of workbench is provided with ventilation system.

[0006] By adopting the technical scheme, the protection fence can avoid that the high-energy laser beam is reflected outside the device during laser welding, causing fire hazards or irreversible damage to the human body. The protection fence is provided with three side surfaces and a top surface. One side surface is hinged to the mounting frame and can be opened outward to facilitate the taking and placing of the workpiece inside. One opening is used to install the laser welding gun. Since the light beam emitted by the laser welding gun is straight, the energy contained therein will be reduced after multiple reflections, and excessive hazards will not be caused. The laser welding gun is detachably mounted on the adjusting rod. The adjusting rod is provided with threads for cooperation with the mounting seat, so that the height of the laser welding gun can be adjusted in a more delicate manner by rotating the adjusting rod. In addition, the laser welding gun is provided with an angle adjuster composed of two fixed plates and a rotating part for easy clamping, for adjusting and fixing the angle of the laser welding gun towards the workpiece. The servo motor at the bottom of the workbench can rotate the limiting device, so that the workpiece to be welded rotates by itself to complete the entire welding process while the laser welding gun remains fixed. During the welding process, a part of the safety inert gas is stored in advance through the ventilation system for protecting the welding device and the welding gun during the welding process. When the welding is completed, the air inside is again extracted through the ventilation device. The entire process is completely automatic, effectively saving labor costs and improving welding quality and efficiency.

[0007] In further embodiments, the ventilation system includes a heat dissipation module and an air extraction device. The workbench opposite the second opening is provided with a first through groove and a third through hole. The heat dissipation module is fixedly installed in the first through groove and includes a plurality of heat dissipation fans. The air extraction device is fixedly installed in the third through hole.

[0008] By adopting the above technical scheme, the heat dissipation module can not only transport inert gas but also effectively reduce the internal temperature of the device during welding to avoid the influence of high temperature on the cable and the welding gun itself. The air extraction device can extract the air containing waste heat, welding slag and toxic and harmful gases generated during welding from the inside of the device, effectively improving the safety of production.

[0009] In further embodiments, the top of the baffle plate near the side of the laser welding gun is provided with a second through groove for shielding the laser reflected from the surface of the workpiece to be welded and the welding slag generated during welding.

[0010] By adopting the technical scheme, the through slot on the baffle can include most of the reflected light, and the splashed welding slag will not fly everywhere, but most of it will fall below the baffle, facilitating subsequent cleaning and daily maintenance, and also protecting the protective fence from being damaged, and the baffle is more easily replaced than the protective fence.

[0011] In a further embodiment, the laser welding gun comprises a gun body and a handle, a scale tube is detachably installed at an end of the gun body away from the handle, a nozzle is detachably installed at an end of the scale tube away from the handle, the inside of the gun body is sequentially and spacedly provided with a protection lens, a focusing lens and a reflecting mirror from the end of the gun body away from the handle to the end of the gun body close to the handle, and the inside of the handle is provided with a collimating lens.

[0012] By adopting the technical scheme, through cooperation of a series of lenses, the high-energy laser beam can be output from the nozzle through the scale tube and irradiated on the workpiece to realize integrated welding.

[0013] In a further embodiment, an observation window is arranged on the protective door plate, and a door handle is arranged below the observation window.

[0014] By adopting the technical scheme, the observation window is composed of high-quality LCD and glass coating as a shading lens, which can minimize the influence of light pollution on human eyes during welding, and facilitate the on-site operator to more accurately and safely master the internal welding condition, and the door handle also facilitates the on-site operator to open the door.

[0015] In a further embodiment, a receiving groove is arranged at one side of the bottom end of the workbench, a control module is fixedly installed in the receiving groove, and the control module is electrically connected with the servo motor through wires.

[0016] By adopting the technical scheme, the control module comprises two parts, one part is a digital time relay, which can monitor the change of time in real time, open or close the equipment on time, guarantee the stable operation of the system, make it operate in the appropriate time period, avoid energy waste and improve the use efficiency, and when the equipment does not act or operates overtime, it can automatically cut off the power supply, thereby avoiding equipment damage and safety accidents, in addition, the digital time relay can also record the use time, operation times and abnormal conditions of the equipment, and provide convenience for the management and maintenance of the equipment, and the other part is an AC motor speed controller, which is used for controlling the rotating speed of the servo motor, thereby cooperating with the speed required by welding of different types of workpieces, and further improving the adaptability and flexibility of the welding process.

[0017] In summary, the utility model has the following beneficial effects:

[0018] 1. By the setting of the protective enclosure and servo motor, the height of the laser welding gun can be adjusted in a more delicate way by rotating the adjusting rod, while the protective enclosure avoids fire hazards or irreversible damage to the human body, in addition, the laser welding gun is also provided with an angle adjuster, which is composed of two fixed plates and a rotating part for easy clamping, for adjusting and fixing the angle of the laser welding gun towards the workpiece, the servo motor at the bottom of the workbench can rotate the limiting device, so that the workpiece to be welded rotates by itself to complete the whole welding process while the laser welding gun remains fixed, the whole process is completely automatic, effectively saving labor cost, and improving the welding quality and efficiency;

[0019] 2. By the setting of the ventilation system, the inert gas can be transported by the heat dissipation module to reduce the internal temperature of the device during welding, avoid the influence of high temperature on the cable and the welding gun itself, and the air with waste heat, welding slag and toxic and harmful gases generated during welding can be removed from the inside of the device by the exhaust device, effectively improving the safety of production;

[0020] 3. By the setting of the control module, the digital display time relay can monitor the change of time in real time, turn on or off the equipment on time, ensure the stable operation of the system, make it run in the appropriate time period, avoid waste of energy and improve the use efficiency, when the equipment does not act or operates overtime, it can automatically cut off the power supply, thereby avoiding damage to the equipment and safety accidents, in addition, the digital display time relay can also record the use time, operation times and abnormal conditions of the equipment, etc. Data provides convenience for the management and maintenance of the equipment, and the other part is the AC motor speed controller, which is used to control the speed of the servo motor rotation, so as to cooperate with the speed required by the welding of different types of workpieces, further improving the adaptability and flexibility of the welding process. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole schematic view of the full-automatic lamp body welding device.

[0022] In the figure, 1, workbench; 2, ventilation system; 21, heat dissipation module; 22, exhaust device; 3, laser welding gun; 4, servo motor; 5, protective enclosure; 6, mounting seat; 7, adjusting rod; 8, baffle; 9, observation window; 10, control module. DETAILED DESCRIPTION

[0023] The utility model will be further explained in detail in combination with the drawings.

[0024] Wherein identical parts are denoted by identical reference numerals. It is noted that the terms "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the Figure 1 directions in the drawings, the terms "bottom" and "top", "inner" and "outer" refer to the directions towards or away from a particular component geometry. Furthermore, the terms "first", "second", etc. are used herein only to describe different features and do not imply or imply a relative importance of the features so designated. Thus, a feature identified as "first" or "second" can implicitly or explicitly include one or more of the features so designated. In the description of the present specification, the meaning of "a plurality" is two or more, unless otherwise explicitly specified.

[0025] Example 1:

[0026] As Figure 1As shown, a kind of full-automatic lamp body welding device, including workbench 1, laser energy supply device spaced apart in the one side of workbench 1, ventilation system 2, laser welding torch 3 and servo motor 4, the top of the workbench 1 is provided with protective fence 5, one side of the protective fence 5 is provided with first open, the first open is fixed with mounting seat 6 by bolt, the top of the mounting seat 6 is provided with first threaded hole, adjusting rod 7 is rotatably installed in the first threaded hole, the top of the adjusting rod 7 can detachably install laser welding torch 3, laser welding torch 3 is used for welding the workpiece to be welded fixed in the inside of protective fence 5, the other side of the protective fence 5 is provided with second open, the side of the second open is fixed with hinge by screwing, the side of the protective fence 5 is hinged with protective door plate, the inner top of the workbench 1 is provided with first through hole in the middle position, the inner top of the workbench 1 is fixed with fixed seat by bolt, the bottom of the fixed seat is provided with second through hole, the first through hole and the second through hole are coaxially arranged, and the bottom of the workbench 1 is fixed with servo motor 4 by bolt, the rotating shaft of the servo motor 4 is rotatably arranged through the second through hole, the rotating shaft top of the servo motor 4 is fixedly installed with limiting device, the limiting device is used to fix the workpiece to be welded, the side of the fixed seat opposite to laser welding torch 3 is provided with baffle 8, the top of the baffle 8 is provided with second through slot on the side close to laser welding torch 3, the second through slot is used to shield the laser reflected from the surface of the workpiece to be welded and the welding slag generated in the process of welding, by protective fence 5 and baffle 8, in addition to being blocked by inert gas, most of the high-energy laser beams emitted by laser welding torch 3 in the working process are absorbed by baffle 8, another part of the laser reflected on the inside of protective fence 5 has lost most of the energy and no longer causes harm, and the limiting device controlled by servo motor 4 can effectively fix the workpiece to be welded, so that it cooperates with the high-energy beam emitted by laser welding torch 3 to complete welding in the rotating process, and if the specifications of the workpiece to be welded are different, the height and position of laser welding torch 3 can be adjusted by mounting seat 6 and adjusting rod 7, and laser welding torch 3 can be aligned with the workpiece to be welded again by angle adjuster, effectively improving the flexibility and adaptability of production.

[0027] As Figure 1As shown, the workbench 1 is provided with a ventilation system 2 on the side opposite to the second opening, the ventilation system 2 comprises a heat dissipation module 21 and an exhaust device 22, the workbench 1 is provided with a first through groove and a third through hole on the side opposite to the second opening, the heat dissipation module 21 is fixedly installed in the first through groove, the heat dissipation module 21 is composed of a plurality of heat dissipation fans, the exhaust device 22 is fixedly installed in the third through hole, the laser welding gun 3 comprises a gun body and a handle, a scale tube is detachably installed at the end of the gun body away from the handle, a nozzle is detachably installed at the end of the scale tube away from the handle, the inside of the gun body is sequentially and spacedly provided with a protective lens, a focusing lens and a reflecting mirror from the end of the gun body away from the handle to the end of the gun body close to the handle, the inside of the handle is provided with a collimating lens, the output end of the laser energy supply device is connected with the input end of the laser welding gun 3 through a cable, the protective door plate is provided with an observation window 9, a door handle is spacedly arranged below the observation window 9, the bottom end of the workbench 1 is provided with a containing groove, a control module 10 is fixedly installed in the containing groove, the control module 10 is electrically connected with the servo motor 4 through a wire, through the heat dissipation module 21 and the exhaust device 22, the inert gas input device inside the protective welding can be input at the same time, a part of waste heat is taken away by the exhaust device 22 working under a certain power, the protective lens inside the laser welding gun 3 can protect the laser welding gun 3 from being damaged due to power and the like, and the focusing lens and the reflecting mirror are used for helping the high-energy laser beam to be stably emitted from the nozzle and finally irradiated to the position to be welded on the workpiece, the observation window 9 on the door body can enable the on-site operator to safely observe the welding process, welding quality and weld seam inside the device under protection and whether they meet the requirements.

[0028] In the embodiments disclosed in the present application, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense. For example, "connecting" can be fixed connection, detachable connection or integral connection; "connecting" can be direct connection or indirect connection through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the embodiments disclosed in the present application can be understood according to the specific circumstances.

[0029] The specific embodiments are only an explanation of the present application, and are not a limitation of the present application. Those skilled in the art can make modifications to the embodiments without creative contribution after reading the present application, but as long as the modifications are within the scope of the claims of the present application, they are protected by the patent law.

Claims

1. A full-automatic lamp body welding device, comprising a workbench (1), a laser energy supply device arranged at one side of the workbench (1), a ventilation system (2), a laser welding gun (3) and a servo motor (4), characterized in that: The top of the workbench (1) is provided with a protective fence (5), one side of the protective fence (5) is provided with a first opening, a mounting seat (6) is fixedly connected to the first opening, a first threaded hole is formed in the top of the mounting seat (6), an adjusting rod (7) is rotatably installed in the first threaded hole, a laser welding gun (3) is detachably installed on the top of the adjusting rod (7), the output end of the laser energy supply device is connected with the input end of the laser welding gun (3) through a cable, and the laser welding gun (3) is used for welding the workpiece to be welded fixedly arranged in the protective fence (5). The other side of the protective fence (5) is provided with a second opening, a hinge is fixedly connected to one side of the second opening, and a protective door plate is hingedly connected to one side of the protective fence (5). A first through hole is formed in the middle of the inner top of the workbench (1), a fixing seat is fixedly connected to the inner top of the workbench (1), a second through hole is formed in the bottom of the fixing seat, the first through hole and the second through hole are coaxially arranged, and a servo motor (4) is fixedly connected to the bottom of the workbench (1). The rotating shaft of the servo motor (4) penetrates through the second through hole, a limiting device is fixedly installed on the top of the rotating shaft of the servo motor (4), the limiting device is used for fixing the workpiece to be welded, a baffle (8) is arranged on the side, opposite to the laser welding gun (3), of the fixing seat, and a ventilation system (2) is arranged on the side, opposite to the second opening, of the workbench (1).

2. A fully automatic lamp body welding apparatus according to claim 1, characterized in that: The ventilation system (2) comprises a heat dissipation module (21) and an air extraction device (22), and the workbench (1) is provided with a first through groove and a third through hole on the side, opposite to the second opening. The heat dissipation module (21) is fixedly installed in the first through groove, and the heat dissipation module (21) comprises a plurality of heat dissipation fans.

3. A fully automatic lamp body welding apparatus according to claim 1, characterized in that: The top of the baffle (8) is provided with a second through groove on the side close to the laser welding gun (3), and the second through groove is used for shielding the laser reflected from the surface of the workpiece to be welded and the welding slag generated in the welding process.

4. A fully automatic lamp body welding apparatus according to claim 3, characterized in that: The laser welding gun (3) comprises a gun body and a handle, a scale tube is detachably installed on the end, away from the handle, of the gun body, a nozzle is detachably installed on the end, away from the handle, of the scale tube, and a protection lens, a focusing lens and a reflecting mirror are sequentially and spacedly arranged in the gun body from the end, away from the handle, to the end, close to the handle. A collimating lens is arranged in the handle.

5. The fully automatic lamp body welding apparatus according to claim 1, characterized in that: An observation window (9) is arranged on the protective door plate, and a door handle is arranged below the observation window (9).

6. A fully automatic lamp body welding apparatus according to claim 1, characterized in that: A containing groove is arranged on one side of the bottom end of the workbench (1), a control module (10) is fixedly installed in the containing groove, and the control module (10) is electrically connected with the servo motor (4) through wires.

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