Large vertical automatic welding workstation

Abstract

The utility model discloses a large-scale vertical type automatic welding work station which comprises a feeding and discharging work station, a welding work station and a workpiece conveying device, and the welding work station is provided with a welding mechanism and an automatic control device. Comprising a base support, a workpiece installation support, a bearing fixedly installed on the base support, a turnover support located at the end, provided with the bearing, of the base support, a turnover electric cylinder fixed to the base support, and an electric cylinder connecting piece capable of pushing the workpiece installation support to rotate around the bearing. The automatic welding machine can be suitable for automatic welding of large workpieces, can be adjusted according to product specifications, and is small in occupied space, high in production efficiency, good in product consistency and suitable for large-scale multi-variety automatic industrial production.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic welding field, concretely relates to a large vertical automatic welding workstation. BACKGROUND

[0002] In many cases, the welding operation needs to be carried out on the vertically standing welding workpiece. For example, in the automatic welding equipment of heat exchanger, the heat exchanger is usually vertically conveyed to the welding station for automatic welding.

[0003] CN111531246A discloses a heat exchanger automatic welding intelligent control system and welding process, wherein the heat exchanger is sequentially sent to the clamping station, the fluxing station, the welding station, the cooling station and the offline station by the conveying belt.

[0004] However, the automatic welding equipment on the market at present is basically for small workpieces, and is not suitable for welding of large workpieces with a size of more than 1.5m x 0.5m. For large workpieces, manual welding is adopted, and the efficiency is low, and the consistency of the products is also not high. It is necessary to develop an automatic welding equipment suitable for large workpieces. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model aims to provide a large vertical automatic welding workstation suitable for automatic welding of large workpieces, which can be adjusted according to the product specifications, has a small floor space, is high in production efficiency, is good in product consistency, and is suitable for large-scale and multi-variety automatic industrial production.

[0006] To achieve the above-mentioned purpose, the utility model realizes the following technical scheme:

[0007] A large vertical automatic welding workstation comprises a feeding and discharging station, a welding station and a workpiece conveying device, the welding station is provided with a welding mechanism and an automatic control device, and the feeding and discharging station is provided with a turnover mechanism, which comprises a base support, a workpiece mounting support, a bearing fixedly installed on the base support, a turnover support located at one end of the bearing on the base support, a turnover electric cylinder fixed to the base support, and an electric cylinder connecting piece capable of rotating the workpiece mounting support around the bearing.

[0008] In a preferred embodiment, the workpiece mounting support is provided with a clamping block for fixing the workpiece, and the position of the clamping block on the slide rail can be adjusted according to the size of the workpiece.

[0009] In a preferred embodiment, the turnover support is provided with a limiting structure.

[0010] In a preferred embodiment, the workpiece conveying device comprises a guide wheel assembly, a platform mechanism and a blocking mechanism, the guide wheel assembly is placed in the middle of the platform mechanism, and the blocking mechanism is installed on the platform mechanism and fixes the work station after the workpiece is conveyed to the work station.

[0011] In a preferred embodiment, the welding mechanism comprises a frame mechanism and a moving motor, and the moving motor can drive the frame mechanism to move horizontally.

[0012] In a preferred embodiment, two groups of welding mechanisms are arranged at two sides of the workpiece in the welding station.

[0013] In a preferred embodiment, the automatic control device can change the position of the workpiece between the horizontal state and the vertical state in the feeding and discharging stations.

[0014] In a preferred embodiment, one feeding and discharging station is arranged at each side of the welding station.

[0015] In a preferred embodiment, the workpiece is fed and discharged in the feeding and discharging stations at the same side or different sides.

[0016] In a preferred embodiment, the workpiece conveying device conveys the vertical workpiece between the feeding and discharging stations and the welding station.

[0017] The large vertical automatic welding work station adopts a unique workpiece overturning mechanism, so that the overall land occupation of the machine is greatly reduced. The workpiece is fed and discharged on both sides, and the top two sides are welded at the same time, so that time is saved and efficiency is improved. The mechanical and electrical control welding improves the consistency of products. The automatic assembly line reduces labor cost while improving efficiency, reduces the working strength of workers, and improves the safety of worker operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic view of one of the embodiments of the large vertical automatic welding work station.

[0019] Figure 2 is a schematic view of the overturning mechanism of one of the embodiments of the utility model.

[0020] Figure 3 is a schematic view of the workpiece mounting bracket of one of the embodiments of the utility model.

[0021] Figure 4 is a schematic view of the workpiece conveying device of one of the embodiments of the utility model.

[0022] In the figure, 1, the upper and lower material loading and unloading station one, 2, the welding mechanism one, 3, the welding mechanism two, 4, the upper and lower material loading and unloading station two, 5, the automatic control device, 6, the touch screen operation cabinet, 7, the turnover support, 8, the electric cylinder connecting piece, 9, the turnover electric cylinder, 10, the base support, 11, the workpiece mounting support, 12, the clamp, 13, the clamping block, 14, the guide wheel, 15, the support, 16, the guide wheel assembly, 17, the platform machine, 18, the blocking mechanism. DETAILED DESCRIPTION

[0023] The utility model will be further explained in connection with specific implementation examples below, but the protection scope of the utility model is not limited to this.

[0024] Referring to Figure 1 The large vertical automatic welding workstation of one of the embodiments of the utility model comprises: the upper and lower material loading and unloading station one 1 and the upper and lower material loading and unloading station two 4 located at both sides of the welding station, the welding station is provided with two groups of automatic welding machines 2 and 3, and is provided with an automatic control device 5 and a touch screen operation cabinet 6, and the upper and lower material loading and unloading station is provided with a turnover mechanism.

[0025] Referring to Figure 2 The turnover mechanism of one of the embodiments of the utility model comprises: a turnover support 7, an electric cylinder connecting piece 8, a turnover electric cylinder 9, a base support 10 and a workpiece mounting support 11. Bearings are installed on the base support, the turnover support 7 is arranged at one end of the base support with bearings, and a limiting structure is arranged on the turnover support. The turnover electric cylinder 8 is fixed on the base support 10. The automatic control device drives the turnover electric cylinder by controlling the turnover motor. The turnover electric cylinder 9 can drive the electric cylinder connecting piece 8 to make the workpiece mounting support 11 rotate around the bearing, so that the workpiece mounted on the workpiece mounting support 11 is displaced between the horizontal and vertical states.

[0026] Referring to Figure 3 The workpiece mounting support 11 of one of the embodiments of the utility model is provided with a clamping block 13 for fixing the workpiece, and the position can be adjusted on the slide rail according to the size of the workpiece. The workpiece is fixed by using the clamp 12 and the lower end clamping block 13 when the workpiece is placed flat on the workpiece mounting support 11. The workpiece in the embodiment is a heat exchanger with a size of 3000mm*1600mm. The large vertical automatic welding workstation of one of the embodiments of the utility model is suitable for the welding of any heat exchanger with a size of 1.5mX0.5m to 3mX1.6m.

[0027] Referring to Figure 4The workpiece conveying device of one of the embodiments of the utility model comprises: a guide wheel assembly 16, a platform mechanism 17 and a blocking mechanism 18. The guide wheel assembly 16 is placed in the middle of the platform mechanism 17, and the blocking mechanism 18 is installed on the platform mechanism 17. After the workpiece to be welded is placed horizontally on the mounting bracket 11 in the loading and unloading station and is fixed, the workpiece is made to stand vertically through the turnover mechanism, and then the workpiece is conveyed to the designated position of the welding station through the workpiece conveying device. After the blocking mechanism 18 senses that the workpiece is in place, the blocking mechanism 18 extends a stop rod to the middle, blocks the product to prevent it from continuing to advance, clamps the workpiece to fix it, and then the welding mechanism performs welding.

[0028] In a preferred embodiment, the welding mechanism is an automatic flame welding mechanism. The welding mechanism located in the welding station comprises a frame mechanism and a moving motor, and the moving motor can drive the frame mechanism to move horizontally.

[0029] In a preferred embodiment, two groups of welding mechanisms are arranged at the welding station and located on both sides of the workpiece.

[0030] In a preferred embodiment, the workpiece one to be welded is horizontally installed on the turnover mechanism in the loading and unloading station one 1, the workpiece is turned to a vertical state by the turnover mechanism, and then the workpiece is conveyed to a welding position by the workpiece conveying mechanism to perform welding operation. After welding is completed, the workpiece one is sent back to the loading and unloading station one 1, and then the workpiece one is taken off after being turned to a horizontal state. When the workpiece one is welded in the welding station, the workpiece two to be welded is horizontally installed on the turnover mechanism in the loading and unloading station two 4, and the workpiece is turned to a vertical state by the turnover mechanism. After the workpiece one is sent back to the loading and unloading station one 1, the workpiece two is conveyed to a welding position by the workpiece conveying mechanism to perform welding operation. After welding is completed, the workpiece two is sent back to the loading and unloading station two 4, and then the workpiece two is taken off after being turned to a horizontal state. The above steps are repeated.

[0031] The large vertical automatic welding work station has the advantages that the work station adopts two-side loading and unloading, and welding is simultaneously performed on the top and both sides, thereby saving time and improving efficiency.

[0032] The large vertical automatic welding work station has the advantages that the work station occupies a small space, can be applied to automatic welding of large workpieces with a height of more than 3 meters, has a wide application range, and can be adjusted according to product specifications. The work station is suitable for large-batch and multi-variety industrial production.

[0033] The large vertical automatic welding work station has the advantages that the work station is operated on an automatic assembly line, thereby improving the consistency of products. The work station improves efficiency, reduces labor cost, reduces the working strength of workers, and improves the safety of worker operation.

[0034] The above merely is preferred implementation manner of the present application, the protection scope of the present application is not only limited to the above examples, and belongs to the technical scheme under the idea of the present application all belongs to the protection scope of the present application. It should be pointed out that, for ordinary skilled person in the art, under the premise of not departing from the principle of the present application, some improvements and modifications, these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. A large vertical automatic welding work station, comprising a feeding and discharging station, a welding station and a workpiece conveying device, the welding station is provided with a welding mechanism and an automatic control device, characterized in that: The loading and unloading station is provided with a turnover mechanism, which comprises a base support, a workpiece mounting support, a bearing fixedly mounted on the base support, a turnover support located at one end of the base support with the bearing, a turnover electric cylinder fixedly mounted on the base support, and an electric cylinder connecting piece capable of driving the workpiece mounting support to rotate around the bearing.

2. The large vertical automatic welding station according to claim 1, characterized in that: The workpiece mounting support is provided with clamping blocks for fixing workpieces, and the position of the workpiece mounting support can be adjusted on the slide rail according to the size of the workpiece.

3. The large vertical automatic welding station according to claim 1, characterized in that: The turnover support is provided with a limiting structure.

4. The large vertical automatic welding station according to claim 1, characterized in that: The workpiece conveying device comprises a guide wheel assembly, a platform mechanism and a blocking mechanism. The guide wheel assembly is placed in the middle of the platform mechanism, and the blocking mechanism is installed on the platform mechanism. After the workpiece is conveyed to the position, the blocking mechanism fixes the work station.

5. A large vertical automatic welding station according to any one of claims 1 to 4, characterized in that: The welding mechanism comprises a frame mechanism and a moving motor, and the moving motor can drive the frame mechanism to move horizontally.

6. A large vertical automatic welding station according to any one of claims 1 to 4, characterized in that: Two groups of welding mechanisms are arranged on both sides of the workpiece at the welding station.

7. A large vertical automatic welding station according to any one of claims 1 to 4, characterized in that: The automatic control device can change the position of the workpiece between the horizontal and vertical states at the loading and unloading station.

8. A large vertical automatic welding station according to any one of claims 1 to 4, characterized in that: There is one loading and unloading station on each side of the welding station.

9. A large vertical automatic welding station according to any one of claims 1 to 4, characterized in that: The workpiece is loaded and unloaded on the same side or different side of the loading and unloading station.

10. A large vertical automatic welding station according to any one of claims 1 to 4, characterized in that: The workpiece conveying device conveys the upright workpiece between the loading and unloading station and the welding station. The workpiece conveying device conveys the upright workpiece between the loading and unloading station and the welding station.

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