Automatic welding equipment for conductive copper bar of transformer

Abstract

The utility model relates to the technical field of transformer production, in particular to transformer conductive copper bar automatic welding equipment which comprises a base, a robotic arm is installed on the base, a first sliding seat is installed on the base in a sliding mode, a lifting frame is installed on the first sliding seat in a sliding mode, a containing groove used for containing a copper bar is formed in the lifting frame, and a second sliding seat is installed on the containing groove. An electric push rod is installed between the first sliding seat and the lifting frame, a suction cup box used for grabbing a copper bar is rotatably installed on the lifting frame, an infrared heater used for welding is fixedly installed on the suction cup box, and a rubbing roller is rotatably installed in a containing groove of the lifting frame; a first driving set used for driving the suction cup box is fixedly installed on the lifting frame, a second driving set used for driving the rubbing roller is fixedly installed on the lifting frame, and a second sliding seat is installed on the base in a sliding mode. Material taking and welding can be automatically completed, and the effect of improving the production efficiency is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer production technical field, especially transformer conductive copper bar automatic welding equipment. BACKGROUND

[0002] In the field of power equipment manufacturing, the welding quality of transformer conductive copper bar is crucial to the performance and safety of the transformer. In actual production, transformer conductive copper bar automatic welding equipment usually relies on the following technologies:

[0003] 1. Welding actuator: various welding processes such as argon arc welding and resistance welding are commonly used to weld copper bars.

[0004] 2. Positioning and clamping mechanism: To ensure welding accuracy, the equipment needs to be equipped with precise positioning and clamping devices, such as mechanical positioning pins and pneumatic or hydraulic clamping mechanisms, which can accurately fix the conductive copper bar at the welding position.

[0005] 3. Control system mechanism: Automatic welding equipment relies on advanced control systems to coordinate the operation of various components, achieve automated operation, and improve production efficiency and stability of welding quality.

[0006] The winding used in traditional transformers is made of copper foil; the connection between the winding and the external circuit is realized through the copper bar connected to the copper foil; generally, the copper bar is directly welded on the surface of the copper foil; the welding of the aluminum foil at the outgoing end of the winding and the copper bar is mostly done manually in China; since the copper-aluminum bar is formed by soldering the end of the copper bar to the end of the aluminum bar through tin plating, the weldability is poor, the welding technology is highly tested for manual work, and the work efficiency is low. INVENTION CONTENTS

[0007] To overcome the shortcomings of the prior art, the utility model provides a transformer conductive copper bar automatic welding equipment, which solves the technical problems of the winding used in traditional transformers being made of copper foil; the connection between the winding and the external circuit being realized through the copper bar connected to the copper foil; generally, the copper bar being directly welded on the surface of the copper foil; the welding of the aluminum foil at the outgoing end of the winding and the copper bar being mostly done manually in China; since the copper-aluminum bar is formed by soldering the end of the copper bar to the end of the aluminum bar through tin plating, the weldability is poor, the welding technology is highly tested for manual work, and the work efficiency is low.

[0008] To achieve the above purposes, the utility model is implemented by the following technical solutions:

[0009] The utility model provides an automatic welding equipment of transformer conductive copper bar, including base, the base is installed with machine arm, the base is slidably installed with first sliding seat, the first sliding seat is slidably installed with lifting frame, is set up the storage groove for placing copper bar on the lifting frame, is installed with electric push rod between the first sliding seat and the lifting frame, the lifting frame is rotatably installed with the suction cup box for grabbing copper bar, is fixedly installed with infrared heater for welding on the suction cup box, is rotatably installed with the rubbing roller in the storage groove of the lifting frame, the first drive group for driving the suction cup box is fixedly installed on the lifting frame, the second drive group for driving the rubbing roller is fixedly installed on the lifting frame, the second sliding seat is slidably installed on the base.

[0010] Preferably, the base is rotatably installed with a workbench, an arc-shaped slot is formed at the bottom end of the workbench, and a third drive group for driving the workbench is fixedly installed on the base.

[0011] Preferably, springs are installed on the first sliding seat and the second sliding seat.

[0012] Preferably, rollers are installed on the first sliding seat and the second sliding seat.

[0013] Preferably, pressure rollers are symmetrically fixedly installed on the first sliding seat and the second sliding seat.

[0014] Preferably, fans for heat dissipation are symmetrically fixedly installed on the second sliding seat.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] When in use, first, put the copper bar into the storage groove of the lifting frame, then the machine arm places the transformer on the left station of the workbench, so that the aluminum foil at the outlet end is located on the first sliding seat, the second drive group is started to drive the rubbing roller to rotate counterclockwise, the copper bar below the storage groove is rubbed out, so that the copper bar moves to the suction cup of the suction cup box, at this time, the suction mechanism is started to make the suction cup box produce negative pressure to suck the copper bar, then the first drive group is started to drive the suction cup box to rotate one hundred and eighty degrees, so that the copper bar faces downward, then the electric push rod is started to push the lifting frame to slide downward, so that the copper bar moves to the aluminum foil, the suction mechanism stops, the suction cup box places the copper bar on the aluminum foil, then the electric push rod pulls the lifting frame to reset, the first drive group drives the suction cup box to reset, at this time, the infrared heater is aligned downward to the copper bar, then the infrared heater is started to heat the copper bar, so that the copper bar is heated and welded with the aluminum foil, the welding is completed, the material taking and welding can be automatically completed, and the production efficiency is improved.

[0017] II. When the welding is completed, the third driving group starts to drive the workbench to rotate 180 degrees, at this time the welded transformer is located at the right station, the fan starts to cool, and the left station can be synchronized to perform the welding operation during the cooling. During the rotation of the workbench, the workbench rotation pushes the first sliding seat and the second sliding seat to slide to both ends by overcoming the elastic force of the spring through the arc-shaped groove at the bottom end, and the workbench is avoided. When the workbench rotates to the position, the first sliding seat and the second sliding seat are reset under the action of the spring elastic force, the pressure roller supports the first sliding seat and the second sliding seat in and out, reduces the friction of sliding, the roller can reduce the friction between the workbench and the first sliding seat and the second sliding seat, and the welding and cooling are synchronized through the two stations, so that the production efficiency is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following preferred embodiments of the utility model are described in detail with the help of the drawings.

[0019] Figure 1 It is the first sliding seat structure diagram of the utility model;

[0020] Figure 2 It is the base structure diagram of the utility model;

[0021] Figure 3 It is the base sectional structure diagram of the utility model;

[0022] Figure 4 It is the lifting frame sectional structure diagram of the utility model;

[0023] Figure 5 It is the workbench structure diagram of the utility model;

[0024] Figure 6 It is the A place enlarged structure diagram of the utility model Figure 4 .

[0025] Legend: 1, base;2, machine arm;3, first sliding seat;4, lifting frame;5, electric push rod;6, suction cup box;7, infrared heater;8, rubbing roller;9, first driving group;11, second driving group;12, workbench;13, third driving group;14, second sliding seat;15, spring;16, roller;17, pressure roller;18, fan. DETAILED DESCRIPTION

[0026] The embodiment of the application provides a transformer conductive copper bar automatic welding equipment, effectively solves the technical problems that the winding used by the traditional transformer is wound by copper foil; the winding and the external circuit are connected through the copper bar connected with the copper foil; generally, the copper bar is directly welded on the surface of the copper foil; the welding of the aluminum foil at the outgoing end of the winding and the copper bar is mostly manually welded in the country; the copper and aluminum bars are welded by one end of the copper bar through tinning and one end of the aluminum bar, the welding property is poor, the welding technology of workers is tested higher, and the work efficiency is lower; in use, the copper bar is first placed into the storage groove of the lifting frame, the machine arm places the transformer on the left station of the workbench, the aluminum foil at the outgoing end is located on the first sliding seat, the second driving group is started to drive the rolling roller to rotate counterclockwise, the copper bar below the storage groove is rolled out, the copper bar is moved to the suction disc of the suction disc box, the suction disc box is started to generate negative pressure to suck the copper bar, then the first driving group is started to drive the suction disc box to rotate by 180 degrees, the copper bar faces downward, then the electric push rod is started to drive the lifting frame to slide downward, the copper bar is moved to the aluminum foil, the suction disc box is stopped, the copper bar is placed on the aluminum foil, then the electric push rod pulls the lifting frame to reset, the first driving group drives the suction disc box to reset, the infrared heater is aligned downward to the copper bar, then the infrared heater is started to heat the copper bar, the copper bar is heated and welded with the aluminum foil, welding is completed, material taking and welding can be automatically completed, the production efficiency is improved, when welding is completed, the third driving group is started to drive the workbench to rotate by 180 degrees, then the welded transformer is located at the right station, the fan is started to perform heat dissipation and complete rapid cooling, the left station can be synchronously welded during cooling, the workbench rotates to drive the first sliding seat and the second sliding seat to slide to two ends to avoid the workbench through the arc-shaped groove at the bottom end, the first sliding seat and the second sliding seat are reset under the action of the spring force, the pressure roller supports the first sliding seat and the second sliding seat, the friction force is reduced, the roller can reduce the friction force between the workbench and the first sliding seat and the second sliding seat, welding and cooling are synchronously performed through the two stations, and the production efficiency is further improved. EMBODIMENT

[0027] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the technical scheme in the embodiment of the application effectively solves the technical problems in the prior art that the winding of the conventional transformer is wound by copper foil; the connection of the winding and the external circuit is realized through the copper bar connected with the copper foil; in general, the copper bar is directly welded on the surface of the copper foil; the welding of the aluminum foil at the outgoing end of the winding and the copper bar is mostly realized by the traditional manual welding; the copper and aluminum bars are welded by one end of the copper bar and one end of the aluminum bar through tinning, the weldability is poor, the welding technology is highly tested on the manual work, and the work efficiency is low.

[0028] In view of the problems in the prior art, the utility model provides a transformer conductive copper bar automatic welding equipment, including base 1, base 1 is installed machine arm 2, base 1 is slidably installed first sliding seat 3, first sliding seat 3 is slidably installed lifting frame 4, the receiving groove for placing copper bar is set up in lifting frame 4, electric push rod 5 is installed between first sliding seat 3 and lifting frame 4, lifting frame 4 is rotatably installed suction cup box 6 for grabbing copper bar, suction cup box 6 is fixedly installed infrared heater 7 for welding on it.

[0029] Lifting frame 4 is rotatably installed in the receiving groove of lifting frame 4, first drive group 9 for driving suction cup box 6 is fixedly installed on lifting frame 4, second drive group 11 for driving rubbing roller 8 is fixedly installed on lifting frame 4, second sliding seat 14 is slidably installed on base 1, workbench 12 is rotatably installed on base 1, and the bottom of workbench 12 is provided with an arc-shaped groove.

[0030] Third drive group 13 for driving workbench 12 is fixedly installed on base 1, spring 15 is installed on first sliding seat 3 and second sliding seat 14, roller 16 is installed on first sliding seat 3 and second sliding seat 14, pressure roller 17 is fixedly installed on first sliding seat 3 and second sliding seat 14, and fan 18 for heat dissipation is fixedly installed on second sliding seat 14.

[0031] Base 1: the main support structure of the equipment provides the installation basis and support for other components, and machine arm 2 is installed on it, and first sliding seat 3 and second sliding seat 14 can slide on it, and workbench 12 is rotatably installed on it, which is the basic frame of the whole equipment operation;

[0032] Machine arm 2: as a work platform for placing a transformer, the transformer is placed in the left station of workbench 12, and the subsequent welding operation is prepared for the object to be processed;

[0033] First sliding seat 3: it can slide on base 1, lifting frame 4 is slidably installed on it, the position adjustment and conveying of the copper bar are realized in cooperation with lifting frame 4, and it has similar structure with second sliding seat 14, and the avoidance action is completed in cooperation with workbench 12 when workbench 12 rotates;

[0034] Lifting frame 4: The upper part is provided with a receiving groove for placing the copper bar, which is the position for placing and transferring the copper bar, and can slide on the first sliding seat 3. The lifting is realized by the electric push rod 5. The suction cup box 6 is rotatably installed on the lifting frame 4 for grabbing the copper bar. The first driving group 9 drives the suction cup box 6, and the second driving group 11 drives the rubbing roller 8, which is one of the key components for realizing automatic material taking and welding;

[0035] Electric push rod 5: installed between the first sliding seat 3 and the lifting frame 4, it makes the lifting frame 4 slide up and down by pushing or pulling, so that the copper bar can move to the appropriate position to contact with the aluminum foil or reset, and complete the adjustment of the welding position of the copper bar and the aluminum foil;

[0036] Suction cup box 6: rotatably installed on the lifting frame 4, used for grabbing the copper bar. The infrared heater 7 is fixedly installed on the suction cup box 6. After grabbing the copper bar, it rotates and cooperates with the lifting of the lifting frame 4 to place the copper bar on the aluminum foil, completes the transfer and positioning of the copper bar, and is connected with the air extraction mechanism to suck the copper bar by generating negative pressure;

[0037] Infrared heater 7: fixedly installed on the suction cup box 6, used for heating and welding the copper bar. After the copper bar is placed on the aluminum foil, the infrared heater 7 is aligned downward to the copper bar and starts to make the copper bar warm up and weld with the aluminum foil, which is a direct execution component for realizing the welding operation;

[0038] Rubbing roller 8: rotatably installed in the receiving groove of the lifting frame 4, rotates counterclockwise under the drive of the second driving group 11, rubs out the copper bar below the receiving groove, and moves the copper bar to the suction cup of the suction cup box 6, which assists in realizing the transfer of the copper bar from the receiving groove to the suction cup box 6;

[0039] First driving group 9: fixedly installed on the lifting frame 4, used for driving the suction cup box 6 to rotate, and rotates one hundred and eighty degrees by driving the suction cup box 6 to rotate, so that the grabbed copper bar changes direction, which is convenient for subsequent placement on the aluminum foil, and completes the driving work of copper bar position adjustment;

[0040] Second driving group 11: fixedly installed on the lifting frame 4, used for driving the rubbing roller 8, rotates the rubbing roller 8 to realize the action of rubbing out the copper bar from the receiving groove, which is a driving component for the copper bar taking link;

[0041] Workbench 12: rotatably installed on the base 1, the bottom end is provided with an arc-shaped groove for carrying the transformer. By rotating one hundred and eighty degrees, it realizes that the transformer before welding is placed in the left work station, and the transformer after welding is placed in the right work station, which cooperates to realize the function of synchronous welding and cooling of the two work stations;

[0042] Third driving group 13: fixedly installed on the base 1, used for driving the workbench 12 to rotate, controls the workbench 12 to change the work station before and after welding, which is a power component for realizing the work station switching;

[0043] Second sliding seat 14: can slide on the base 1, similar to the structure of the first sliding seat 3, when the workbench 12 rotates, it slides to both ends together with the first sliding seat 3 to avoid the workbench 12, and then resets under the elastic force of the spring 15, which helps to realize the coordinated action of each part of the device;

[0044] Spring 15: installed on the first sliding seat 3 and the second sliding seat 14, provides elastic force, so that the first sliding seat 3 and the second sliding seat 14 can reset after avoiding the workbench 12, ensuring the accuracy of the position of each part of the device and the cyclic operation;

[0045] Roller 16: installed on the first sliding seat 3 and the second sliding seat 14, can reduce the friction between the workbench 12 and the first sliding seat 3 and the second sliding seat 14, reduce the wear between parts, make the workbench 12 rotate and the first sliding seat 3 and the second sliding seat 14 slide more smoothly;

[0046] Pressure roller 17: symmetrically fixed on the first sliding seat 3 and the second sliding seat 14, supporting the first sliding seat 3 and the second sliding seat 14, reducing the friction when sliding, ensuring the stability of the first sliding seat 3 and the second sliding seat 14 during sliding;

[0047] Fan 18: symmetrically fixed on the second sliding seat 14, used for heat dissipation, after welding is completed, the fan 18 starts to cool the welded transformer located in the right work station, realizes rapid cooling, at the same time does not affect the welding operation of the left work station, improves the production efficiency.

[0048] Working principle:

[0049] First, the machine arm 2, electric push rod 5, infrared heater 7, the first drive group 9, the second drive group 11, the third drive group 13 and the fan 18 are connected to the PLC control system, the suction cup box 6 is connected with the air suction mechanism, in use, first put the copper bar into the receiving groove of the lifting frame 4, the machine arm 2 will place the transformer on the left station of the workbench 12, the aluminum foil on the outgoing end is located on the first sliding seat 3, the second drive group 11 starts to drive the rolling roller 8 to rotate counterclockwise, the copper bar below the receiving groove is rolled out, the copper bar moves to the suction cup of the suction cup box 6, the air suction mechanism starts to generate negative pressure in the suction cup box 6 to suck the copper bar, then the first drive group 9 starts to drive the suction cup box 6 to rotate 180 degrees, the copper bar faces downward, then the electric push rod 5 starts to push the lifting frame 4 to slide downward, the copper bar moves to the aluminum foil, the air suction mechanism stops, the suction cup box 6 places the copper bar on the aluminum foil, then the electric push rod 5 pulls the lifting frame 4 to reset, the first drive group 9 drives the suction cup box 6 to reset, at this time the infrared heater 7 aims downward at the copper bar, then the infrared heater 7 starts to heat the copper bar to make the copper bar warm and welded with the aluminum foil, the welding is completed, the material taking and welding can be automatically completed, the production efficiency is improved.

[0050] Second, when the welding is completed, the third drive group 13 starts to drive the workbench 12 to rotate 180 degrees, at this time the welded transformer will be located in the right station, the fan 18 starts to cool, the cooling is completed, the left station can be synchronized to carry out the welding operation, in the rotating process of the workbench 12, the workbench 12 rotates to push the first sliding seat 3 and the second sliding seat 14 to slide to both ends to overcome the elastic force of the spring 15 through the arc-shaped groove at the bottom, the workbench 12 is avoided, when the workbench 12 rotates to the position, the first sliding seat 3 and the second sliding seat 14 will reset under the action of the elastic force of the spring 15, the pressure roller 17 supports the first sliding seat 3 and the second sliding seat 14, the friction force is reduced, the friction force between the workbench 12 and the first sliding seat 3 and the second sliding seat 14 is reduced through the two stations to be synchronized to carry out the welding and cooling, the production efficiency is further improved.

[0051] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly illustrating the utility model, and are not limited to the implementation. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the implementation. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. An automatic welding equipment for conductive copper busbars of a transformer, comprising a base (1), wherein a robotic arm (2) is mounted on the base (1), characterized in that, A first sliding seat (3) is slidably mounted on the base (1), and a lifting frame (4) is slidably mounted on the first sliding seat (3). A storage slot for placing copper busbars is provided on the lifting frame (4). An electric push rod (5) is installed between the first sliding seat (3) and the lifting frame (4). A suction cup box (6) for gripping copper busbars is rotatably mounted on the lifting frame (4). An infrared heater (7) for welding is fixedly mounted on the suction cup box (6). A rubbing roller (8) is rotatably mounted in the storage slot of the lifting frame (4). A first drive group (9) for driving the suction cup box (6) is fixedly mounted on the lifting frame (4). A second drive group (11) for driving the rubbing roller (8) is fixedly mounted on the lifting frame (4). A second sliding seat (14) is slidably mounted on the base (1).

2. The automatic welding equipment for transformer conductive copper busbars as described in claim 1, characterized in that, A worktable (12) is rotatably mounted on the base (1). An arc-shaped groove is provided at the bottom end of the worktable (12). A third drive group (13) for driving the worktable (12) is fixedly mounted on the base (1).

3. The automatic welding equipment for transformer conductive copper busbars as described in claim 1, characterized in that, Springs (15) are installed on both the first sliding seat (3) and the second sliding seat (14).

4. The automatic welding equipment for transformer conductive copper busbars as described in claim 1, characterized in that, Rollers (16) are installed on both the first sliding seat (3) and the second sliding seat (14).

5. The automatic welding equipment for transformer conductive copper busbars as described in claim 1, characterized in that, Pressure rollers (17) are symmetrically fixedly installed on the first sliding seat (3) and the second sliding seat (14).

6. The automatic welding equipment for transformer conductive copper busbars as described in claim 1, characterized in that, A fan (18) for heat dissipation is symmetrically fixedly installed on the second sliding seat (14).

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