Double-station capacitor box automatic welding device and welding method

Abstract

The invention relates to a welding machine, and provides a double-station capacitor box automatic welding device and welding method in order to solve the problems that an existing welding operation mode is low in working efficiency, high in labor cost and the like, and the double-station capacitor box automatic welding device comprises a double-layer platform, a welding robot, an assembling assembly, a conveying assembly and two clamp assemblies; the double-layer platform comprises a lower-layer platform and an upper-layer platform, the assembling assembly comprises a rotating platform, an assembling support and two sets of assembling roller ways, the bottom of the assembling support is fixed to the rotating platform, and the top of the assembling support extends to the position above the upper-layer platform. Assembly lifting rails are arranged on the assembly support, and the two sets of assembly roller ways are connected to the two assembly lifting rails correspondingly. The transportation assembly comprises a front-end transportation assembly and a rear-end transportation assembly; the two sets of clamp assemblies are arranged at the top of the assembling support, the assembling lifting track drives workpieces on the assembling roller way to ascend into the corresponding clamp assemblies, and the rotating platform drives the workpieces in the clamp assemblies to rotate to the position below the welding robot to be welded.

Description

Technical Field

[0001] The invention relates to a welding machine, in particular to a double-station capacitor box automatic welding device and a welding method. Background Art

[0002] At present, the automatic welding device for capacitor boxes usually adopts a single conveyor line single machine welding operation mode, and its working speed cannot meet the needs of mass production, and requires a large number of auxiliary operators, which undoubtedly increases the manpower cost and time cost, has high labor intensity, low production efficiency, and it is difficult to ensure the stability of the welding quality of the capacitor box;

[0003] In addition, the production and processing line of the single-conveyor line and single-machine welding operation mode is relatively long. In order to meet production needs, multiple production and processing lines need to be arranged. Therefore, multiple production and processing lines not only occupy a large area, but also have certain production safety hazards. Its production layout is not conducive to the safety of personnel and property. Summary of the invention

[0004] The purpose of the present invention is to solve the problems of low working efficiency, high labor and time costs, poor welding stability, large floor space and certain production safety hazards in the existing capacitor box welding operation mode, and to propose a double-station capacitor box automatic welding device and welding method.

[0005] To achieve the above purpose, the technical solution proposed by the present invention is:

[0006] A double-station capacitor box automatic welding device, which is special in that it includes a double-layer platform, a welding robot, an assembly component, a transport component and two sets of fixture components;

[0007] The double-layer platform includes a lower platform and an upper platform fixed above the lower platform, a passage communicating with the lower platform is arranged in the middle of the upper platform, and the welding robot is arranged on the upper platform;

[0008] The assembly assembly includes a rotating platform arranged in the middle of the lower platform, an assembly bracket and two sets of assembly rollers fixed on the rotating platform, the top of the assembly bracket extends above the upper platform; two opposite outer sides of the assembly bracket are provided with assembly lifting rails, and the two sets of assembly rollers are respectively connected to the lifting ends of the two assembly lifting rails;

[0009] The transport assembly comprises a front transport assembly and a rear transport assembly respectively arranged on both sides of the rotating platform, and the two ends of the assembly rollers on either side or both sides of the assembly bracket can be docked with the front transport assembly and the rear transport assembly respectively, so as to enable the front transport assembly to transfer workpieces with the assembly rollers, and with the assembly rollers and the rear transport assembly;

[0010] The two groups of clamp assemblies are respectively arranged at positions on the top of the assembly bracket corresponding to the two groups of assembly rollers, and are used to drive the workpieces on the assembly rollers to rise to the corresponding clamp assemblies in the assembly lifting track for clamping and fixing. The rotating platform is used to drive the workpieces in the clamp assemblies on the top of the assembly bracket to rotate to the bottom of the welding robot for welding.

[0011] Furthermore, a welding room is provided in the middle of the upper platform, the interior of the welding room is connected with the lower platform through the passage, a manual operation window is opened on the welding room, the two groups of fixture assemblies are respectively located on the inner and outer sides of the manual operation window, and the welding robot is located above the fixture assembly in the welding room.

[0012] Furthermore, the assembly roller comprises a roller drive motor, a roller mounting frame and a plurality of rollers evenly arranged on the roller mounting frame. The roller drive motor is fixed below the roller mounting frame, and its driving end is used to drive the plurality of rollers to roll in the same direction.

[0013] Furthermore, the front-end transport assembly and the rear-end transport assembly each include a transport bracket and a transport lifting track, a transport drive motor and a transport roller fixed on the transport bracket; the transport roller is connected to the lifting end of the transport lifting track, and the transport drive motor drives the transport lifting track to drive the transport roller to lift;

[0014] Furthermore, the transport roller conveyor has the same structure as the assembly roller conveyor;

[0015] The two ends of the assembly roller can be docked with the transport roller on the front transport component and the transport roller on the rear transport component respectively to realize workpiece transmission.

[0016] Furthermore, the two groups of clamp assemblies are both provided with workpiece fixing openings, and the assembly lifting track drives the workpiece on the assembly roller to rise to the workpiece fixing opening on the clamp assembly, and can be clamped and fixed by the clamp assembly.

[0017] Furthermore, one set of two opposite sides of each of the workpiece fixing ports is provided with sliding tracks, and the other set of two opposite sides is provided with movable clamping plates that slide along the sliding tracks, for fixing and clamping the workpiece on the assembly roller.

[0018] Furthermore, both ends of the assembly roller and the transport roller are provided with liftable baffles for fixing the position of the workpiece to prevent it from shaking.

[0019] Furthermore, a smoke extraction and dust removal device is also provided in the welding chamber.

[0020] At the same time, the present invention also proposes a double-station capacitor box automatic welding method, which adopts the above-mentioned double-station capacitor box automatic welding device, and its special feature is that it includes the following steps:

[0021] Step 1: lift the assembly roller to a position corresponding to the front transport assembly through the assembly lifting track on one side of the assembly bracket;

[0022] Step 2: The processed workpiece is transferred to the assembly roller table docked with the front-end transport component;

[0023] Step 3: Raise the assembly roller to the corresponding fixture assembly through the assembly lifting track, and clamp and fix the workpiece through the fixture assembly, and manually complete the assembly of the workpiece to be processed;

[0024] Step 4: Start the rotating platform to drive the workpiece on the fixture assembly to rotate to the bottom of the welding robot for welding;

[0025] Step 5: After welding is completed, start the rotating platform again to drive the workpiece on the fixture assembly to rotate to its original position;

[0026] Step 6: Lower the assembly roller to a position corresponding to the rear-end transport assembly through the assembly lifting track, so that the processed workpiece on the assembly roller is transferred to the rear-end transport assembly docked therewith, and the automatic welding of the processed workpiece is completed.

[0027] Furthermore, the assembly lifting track on the other side of the assembly bracket can lift the assembly roller to a position corresponding to the front-end transport component, and repeat the above steps to transfer, assemble and weld the next workpiece to achieve welding processing of multiple workpieces.

[0028] Beneficial effects of the present invention:

[0029] [1] The double-station capacitor box automatic welding device of the present invention has strong structural stability and high degree of automation, which effectively reduces the labor intensity of personnel and improves production efficiency; the double-station welding operation method effectively reduces the footprint of the device, improves the utilization rate of the factory space, reduces production costs and labor costs, optimizes the overall production layout of the welding device, has high safety performance, and is more practical and applicable.

[0030] [2] The present invention forms a three-stage lifting power roller transmission system through the front-end transport component and the assembly roller on the assembly component, and the assembly roller on the assembly component and the rear-end transport component. It can meet the automatic movement and lifting of products of different heights and sizes, realize the assembly and welding of products of different sizes by manual and welding robots, ensure the assembly effect and welding effect, effectively improve the stability and reliability of the box shell welding quality, reduce the scrap rate of product welding, and effectively save production resources and human resources.

[0031] [3] The present invention provides a manual operation window in the welding room, so that personnel can move products of different heights and sizes to appropriate positions according to the assembly lifting rails during assembly, thereby increasing the flexibility of the welding device and improving its scope of application.

[0032] [4] The present invention can clamp products of different heights and sizes through the sliding track and the movable clamping plate on the clamp assembly, ensure their stability, and avoid welding errors during the welding process.

[0033] [5] The present invention provides liftable baffles at both ends of the assembly roller and the transport roller, thereby ensuring the stability of the product and preventing it from shaking during the lifting process, thereby preventing waste of resources.

[0034] [6] The double-station capacitor box automatic welding method of the present invention has a simple operation process and is easy to implement. The double-station switching is achieved by rotating the platform, which effectively improves the welding efficiency of the device and saves welding time. At the same time, it can also effectively ensure the assembly quality and welding quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a structural schematic diagram of an embodiment of a double-station capacitor box automatic welding device of the present invention;

[0036] Figure 2 A schematic diagram of the connection structure of the assembly component, the transport component and the fixture component in an embodiment of the present invention;

[0037] Reference numerals:

[0038] 1-lower platform, 2-upper platform, 3-welding robot, 4-rotating platform, 5-assembly bracket, 6-assembly roller, 7-assembly lifting rail, 8-front end transport component, 9-rear end transport component, 10-fixture assembly, 11-welding chamber, 12-roller drive motor, 13-roller mounting frame, 14-transport roller, 15-roller, 16-transport lifting rail, 17-transport bracket, 18-workpiece fixing port, 19-sliding rail, 20-movable splint, 21-liftable baffle, 22-smoke extraction and dust removal device. DETAILED DESCRIPTION

[0039] like Figure 1 As shown, a double-station capacitor box automatic welding device includes a double-layer platform, a welding robot 3, an assembly component, a transport component and two sets of fixture components 10;

[0040] The double-layer platform includes a lower platform 1 and an upper platform 2 fixed above the lower platform 1. A passage communicating with the lower platform 1 is provided in the middle of the upper platform 2. A welding room 11 is also provided in the middle of the upper platform 2. The interior of the welding room 11 is communicated with the lower platform 1 through a passage. A manual operation window is provided on one side of the welding room 11 close to the transport component.

[0041] like Figure 2 As shown, the assembly component includes a rotating platform 4 fixed to the middle of the lower platform 1, and an assembly bracket 5 and two groups of assembly rollers 6 arranged on the driving end of the rotating platform 4, the bottom of the assembly bracket 5 is fixed on the rotating platform 4, and the top extends to the top of the upper platform 2; the two opposite outer sides of the assembly bracket 5 are provided with assembly lifting rails 7, and the two groups of assembly rollers 6 are respectively connected to the lifting ends of the two assembly lifting rails 7; the assembly roller 6 includes a roller drive motor 12, a roller mounting frame 13 and a plurality of rollers 15 evenly arranged on the roller mounting frame 13, the roller drive motor 12 is fixed below the roller mounting frame 13, and its driving end drives the plurality of rollers 15 to roll in the same direction, the two groups of clamp assemblies 10 at the top of the assembly component are respectively located on both sides of the manual operation window, the welding robot 3 is located above the clamp assembly 10 in the welding chamber 11, and a smoke extraction and dust removal device 22 is also provided in the welding chamber 11.

[0042] The transport assembly includes a front-end transport assembly 8 and a rear-end transport assembly 9 respectively arranged on both sides of the rotating platform 4; the front-end transport assembly 8 and the rear-end transport assembly 9 both include a transport bracket 17 and a transport lifting rail 16 fixed on the transport bracket 17, a transport drive motor and a transport roller 14; the transport lifting rail 16 is fixed on the transport bracket 17, the transport roller 14 is connected to the lifting end of the transport lifting rail 16, and the transport drive motor drives the transport lifting rail 16 to drive the transport roller 14 to lift; the transport roller 14 has the same structure as the assembly roller 6, and both ends of the assembly roller 6 and the transport roller 14 are provided with a liftable baffle 21 for fixing the position of the workpiece to prevent it from shaking; when the transport roller 14 on the front-end transport assembly 8, the assembly roller 6 and the transport roller 14 on the rear-end transport assembly 9 are lifted and lowered to the same horizontal line, the two ends of the assembly roller 6 can be docked with the transport roller 14 on the front-end transport assembly 8 and the transport roller 14 on the rear-end transport assembly 9, respectively, to realize the workpiece transmission between the front-end transport assembly 8 and the assembly roller 6, and the assembly roller 6 and the rear-end transport assembly 9;

[0043] The two groups of clamp assemblies 10 are respectively arranged at positions on the top of the assembly bracket 5 corresponding to the two groups of assembly rollers 6. Both groups of clamp assemblies 10 are provided with workpiece fixing openings 18. The assembly lifting rails 7 drive the workpiece on the assembly roller 6 to rise to the workpiece fixing openings 18 of the corresponding clamp assemblies 10, and through one group of sliding rails 19 set on opposite sides of the workpiece fixing opening 18, the other group of opposite sides are provided with moving clamps 20 sliding along the sliding rails 19, so as to fix and clamp the workpiece clamp on the assembly roller 6. The rotating platform 4 is used to drive the workpiece in the clamp assembly 10 on the top of the assembly bracket 5 to rotate to the bottom of the welding robot 3 for welding.

[0044] At the same time, the present invention also proposes a double-station capacitor box automatic welding method, using the above-mentioned double-station capacitor box automatic welding device, including the following steps:

[0045] Step 1: lift the assembly roller 6 to a position corresponding to the front transport assembly 8 through the assembly lifting track 7 on one side of the assembly bracket 5;

[0046] Step 2: The workpiece is transported to the assembly roller 6 docked therewith by the front-end transport assembly 8;

[0047] Step 3: Raise the assembly roller 6 to the corresponding fixture assembly 10 through the assembly lifting rail 7, and clamp and fix the workpiece through the fixture assembly 10, and manually complete the assembly of the workpiece to be processed;

[0048] Step 4: Start the rotating platform 4 to drive the workpiece on the fixture assembly 10 to rotate to the bottom of the welding robot 3 for welding;

[0049] Step 5: After welding is completed, the rotating platform 4 is started again to drive the workpiece on the fixture assembly 10 to rotate to the original position;

[0050] Step 6: Lower the assembly roller 6 to a position corresponding to the rear-end transport assembly 9 through the assembly lifting track 7, so that the processed workpiece on the assembly roller 6 is transferred to the rear-end transport assembly 9 docked therewith, and the automatic welding of the processed workpiece is completed.

[0051] The assembly lifting track 7 on the other side of the assembly bracket 5 can lift the assembly roller 6 to a position corresponding to the front-end transport component 8, and repeat the above steps to transfer, assemble and weld the next workpiece to achieve welding of multiple workpieces.

Claims

1. A double-station capacitor box automatic welding device, characterized in that: It comprises a double-layer platform, a welding robot (3), an assembly component, a transport component and two sets of fixture components (10); The double-layer platform comprises a lower platform (1) and an upper platform (2) fixed above the lower platform (1); a passage communicating with the lower platform (1) is arranged in the middle of the upper platform (2); and a welding robot (3) is arranged on the upper platform (2); The assembly assembly comprises a rotating platform (4) arranged in the middle of the lower platform (1), and an assembly bracket (5) and two sets of assembly rollers (6) fixed on the rotating platform (4), wherein the top of the assembly bracket (5) extends above the upper platform (2); two opposite outer side surfaces of the assembly bracket (5) are provided with assembly lifting rails (7), and the two sets of assembly rollers (6) are respectively connected to the lifting ends of the two assembly lifting rails (7); The transport assembly comprises a front transport assembly (8) and a rear transport assembly (9) respectively arranged on both sides of the rotating platform (4); the two ends of the assembly roller (6) on either side or both sides of the assembly bracket (5) can be docked with the front transport assembly (8) and the rear transport assembly (9) respectively, so as to enable workpieces to be transported between the front transport assembly (8) and the assembly roller (6), and between the assembly roller (6) and the rear transport assembly (9); The two groups of clamp assemblies (10) are respectively arranged at positions on the top of the assembly bracket (5) corresponding to the two groups of assembly rollers (6), and are used to drive the workpieces on the assembly rollers (6) to rise to the corresponding clamp assemblies (10) for clamping and fixing on the assembly lifting track (7). The rotating platform (4) is used to drive the workpieces in the clamp assemblies (10) on the top of the assembly bracket (5) to rotate to the bottom of the welding robot (3) for welding.

2. According to claim 1, a dual-station capacitor box automatic welding device is characterized in that: A welding chamber (11) is provided in the middle of the upper platform (2); the interior of the welding chamber (11) is connected to the lower platform (1) through the passage; a manual operation window is provided on the welding chamber (11); the two groups of fixture assemblies (10) are respectively located on the inner and outer sides of the manual operation window; and the welding robot (3) is located above the fixture assembly (10) in the welding chamber (11).

3. According to claim 2, a double-station capacitor box automatic welding device is characterized in that: The assembly roller (6) comprises a roller drive motor (12), a roller mounting frame (13), and a plurality of rollers (15) uniformly arranged on the roller mounting frame (13); the roller drive motor (12) is fixed below the roller mounting frame (13), and a driving end thereof is used to drive the plurality of rollers (15) to roll in the same direction.

4. According to claim 3, a dual-station capacitor box automatic welding device is characterized in that: The front-end transport component (8) and the rear-end transport component (9) both comprise a transport support (17), a transport lifting track (16) fixed on the transport support (17), a transport drive motor and a transport roller (14); the transport roller (14) is connected to the lifting end of the transport lifting track (16), and the transport drive motor drives the transport lifting track (16) to drive the transport roller (14) to lift and lower.

5. According to claim 4, a dual-station capacitor box automatic welding device is characterized in that: The transport roller (14) has the same structure as the assembly roller (6); The two ends of the assembly roller (6) can be respectively connected to the transport roller (14) on the front transport component (8) and the transport roller (14) on the rear transport component (9) to realize workpiece transmission.

6. According to claim 5, a dual-station capacitor box automatic welding device is characterized in that: The two groups of clamp assemblies (10) are both provided with workpiece fixing openings (18); the assembly lifting rail (7) drives the workpiece on the assembly roller (6) to rise to the workpiece fixing opening (18) on the clamp assembly (10), and the workpiece can be clamped and fixed by the clamp assembly (10).

7. According to claim 6, a double-station capacitor box automatic welding device is characterized in that: One set of two opposite sides of each workpiece fixing opening (18) is provided with a sliding track (19), and the other set of two opposite sides is provided with a movable clamping plate (20) sliding along the sliding track (19) for fixing and clamping the workpiece on the assembly roller (6).

8. According to claim 7, a dual-station capacitor box automatic welding device is characterized in that: Both ends of the assembly roller (6) and the transport roller (14) are provided with liftable baffles (21) for fixing the position of the workpiece to prevent it from shaking.

9. The double-station capacitor box automatic welding device according to claim 8, characterized in that: A smoke extraction and dust removal device (22) is also provided in the welding chamber (11).

10. A double-station capacitor box automatic welding method, using a double-station capacitor box automatic welding device according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: lift the assembly roller (6) to a position corresponding to the front transport assembly (8) through the assembly lifting track (7) on one side of the assembly bracket (5); Step 2: The processed workpiece is transferred to the assembly roller table (6) docked therewith by means of the front-end transport component (8); Step 3: Raise the assembly roller (6) to the corresponding fixture assembly (10) by means of the assembly lifting rail (7), and clamp and fix the workpiece by means of the fixture assembly (10), thereby completing the assembly of the workpiece manually; Step 4: Start the rotating platform (4) to drive the workpiece on the fixture assembly (10) to rotate to the bottom of the welding robot (3) for welding; Step 5: After welding is completed, the rotating platform (4) is started again to drive the workpiece on the fixture assembly (10) to rotate to its original position; Step 6: Lower the assembly roller (6) to a position corresponding to the rear-end transport assembly (9) through the assembly lifting track (7), so that the processed workpiece on the assembly roller (6) is transferred to the rear-end transport assembly (9) connected thereto, and the automatic welding of the processed workpiece is completed.

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