High-efficiency robot welding device

Abstract

The utility model discloses a high-efficiency robot welding device, relates to welding robot technical field, including workbench and automatic clamping jig, the middle part of workbench is provided with two double-station welding robot front and back staggered, and the both sides of workbench are provided with support, the inside of support is rotatingly equipped with conveyor belt, and the automatic clamping jig is equipped with the conveyor belt. A portal frame is fixedly welded to the middle of the support. According to the efficient robot welding device, through arrangement of the automatic clamping jig, a to-be-welded workpiece is placed on the floating platform in the middle of the limiting frame, due to the fact that the dead weight of the workpiece is larger than the elastic force of a reset spring, a connecting rod in the middle of the floating platform pulls pull rods on the two sides to descend, and the top ends of the pull rods on the two sides are in sliding fit with a strip groove in the middle of a pressing plate; the end plates, located on the two sides of the machine body, of the root of the pressing plate are overturned and pressed downwards, manual assistance is not needed for workpiece clamping, automatic clamping of the to-be-welded workpiece can be achieved only by means of the dead weight of the workpiece, and the automation level is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding robots, in particular to a high-efficiency robot welding device. Background Art

[0002] In the past, the engineering machinery industry mostly used manual welding, which was labor-intensive and the welding quality could not be guaranteed. In recent years, welding robots have been widely used to replace ordinary workers in welding, which has improved quality while increasing output and reducing costs.

[0003] However, the existing automatic welding lines are usually single-station operations, and the welding efficiency is not high. In addition, the existing welding fixtures usually require manual assistance to clamp the workpiece, and the automation level is insufficient.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a high-efficiency robot welding device is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a high-efficiency robot welding device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-efficiency robot welding device, comprising a workbench and an automatic clamping fixture, wherein two double-station welding robots are staggered front and back in the middle of the workbench, and brackets are arranged on both sides of the workbench, a conveyor belt is rotatably installed inside the bracket, and a gantry is welded and fixed in the middle of the bracket, a visual inspection probe is arranged at the bottom of the top of the gantry, and the automatic clamping fixtures are arranged at equal intervals on the upper surface of the conveyor belt.

[0007] Furthermore, the automatic clamping fixture includes a body and end plates. The body is magnetically fixed to the upper surface of the conveyor belt, and the end plates are integrally fixed on both sides of the top of the body.

[0008] Furthermore, the automatic clamping fixture also includes a pressing plate and a groove, the inner sides of the end plates on both sides are rotatably mounted with a pressing plate, and a groove is opened in the middle of the pressing plate.

[0009] Furthermore, the automatic clamping fixture also includes a pull rod and a side groove, the pull rod is slidably fitted inside the groove, and the side groove is opened on the inner side of the bottom of the pull rod.

[0010] Furthermore, the automatic clamping fixture also includes a limit frame and a floating platform. The limit frame is arranged at the middle end of the top of the machine body, and the floating platform is slidably matched in the middle of the limit frame.

[0011] Furthermore, the automatic clamping fixture also includes a connecting rod, a connecting rod is fixed in the middle of the floating platform, and both ends of the connecting rod are embedded in the side grooves on the inner side of the bottom of the pull rod.

[0012] Furthermore, the automatic clamping fixture also includes a guide rod and a guide sleeve. The bottom of the floating platform is fixed with a guide rod, and the guide rod is slidably matched with the guide sleeve at the bottom end of the body.

[0013] Furthermore, the automatic clamping fixture also includes a reset spring, the reset spring is fixed to the bottom end of the guide sleeve, and the end of the reset spring is elastically connected to the guide rod.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. When the utility model is in use, the automatic welding assembly line designed by the present application has two conveyor belts arranged in parallel. Located in the middle of the two conveyor belts is a double-station welding robot that is staggered front and back, which can effectively improve the welding efficiency. The automatic clamping fixture is fixed to the upper surface of the conveyor belt by magnetic attraction, and automatic loading operations are performed following the conveying stroke of the conveyor belt. A visual inspection probe is provided at the top and bottom of the gantry in the middle of the bracket, which can visually monitor the welding position and assist the double-station welding robot to improve the operation accuracy.

[0016] 2. The utility model places the workpiece to be welded on the floating platform in the middle of the limit frame through the setting of the automatic clamping fixture. Because the deadweight of the workpiece is greater than the elastic force of the reset spring, the connecting rod in the middle of the floating platform pulls the pull rods on both sides down, and the top ends of the pull rods on both sides slide with the grooves in the middle of the pressure plate, so that the root of the pressure plate is located on both sides of the machine body. The end plates are flipped and pressed down, and there is no need for manual assistance to clamp the workpiece. The workpiece to be welded can be automatically clamped with the help of the deadweight of the workpiece, which greatly improves the level of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall external structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the external structure of the automatic clamping fixture of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the automatic clamping fixture of the utility model.

[0020] In the figure: 1. workbench; 2. double-station welding robot; 3. bracket; 4. conveyor belt; 5. gantry; 6. visual inspection probe; 7. automatic clamping fixture; 701. body; 702. end plate; 703. pressure plate; 704. groove; 705. pull rod; 706. side groove; 707. limit frame; 708. floating platform; 709. connecting rod; 710. guide rod; 711. guide sleeve; 712. return spring. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0022] like Figure 1 As shown, a highly efficient robot welding device is provided, wherein two double-station welding robots 2 are staggered front and back in the middle of a workbench 1, and brackets 3 are provided on both sides of the workbench 1, a conveyor belt 4 is rotatably installed inside the bracket 3, and a gantry 5 is welded and fixed in the middle of the bracket 3, and a visual inspection probe 6 is provided at the top and bottom of the gantry 5. The automatic welding production line designed in the present application has two conveyor belts 4 arranged in parallel, and the double-station welding robots 2 staggered front and back are located in the middle of the two conveyor belts 4, which can effectively improve the welding efficiency, and the automatic clamping fixture 7 is fixed to the upper surface of the conveyor belt 4 by magnetic attraction, and automatically loads the material following the conveying stroke of the conveyor belt 4, and a visual inspection probe 6 is provided at the top and bottom of the gantry 5 in the middle of the bracket 3, which can visually monitor the welding position and assist the double-station welding robot 2 to improve the operation accuracy;

[0023] like Figures 2 to 3As shown, the automatic clamping fixture 7 is arranged at equal intervals on the upper surface of the conveyor belt 4. The automatic clamping fixture 7 includes a body 701 and an end plate 702. The body 701 is magnetically fixed to the upper surface of the conveyor belt 4, and the end plates 702 are integrally fixed on both sides of the top of the body 701. The automatic clamping fixture 7 also includes a pressing plate 703 and a groove 704. The inner sides of the end plates 702 on both sides are rotatably mounted with a pressing plate 703, and a groove 704 is opened in the middle of the pressing plate 703. The automatic clamping fixture 7 also includes a pull rod 705 and side grooves 706, the inside of the groove 704 is slidably matched with a pull rod 705, and the inner side of the bottom of the pull rod 705 is provided with a side groove 706, the workpiece to be welded is placed on the floating platform 708 in the middle of the limit frame 707, because the dead weight of the workpiece is greater than the elastic force of the return spring 712, the connecting rod 709 in the middle of the floating platform 708 pulls the pull rods 705 on both sides to descend, and the top ends of the pull rods 705 on both sides are slidably matched with the groove 704 in the middle of the pressing plate 703, so that the root of the pressing plate 703 The end plates 702 on both sides of the machine body 701 are turned over and pressed down, and the workpieces to be welded can be automatically clamped by the weight of the workpieces without manual assistance, which greatly improves the level of automation. The automatic clamping fixture 7 also includes a limit frame 707 and a floating platform 708. The limit frame 707 is set at the middle end of the top of the machine body 701, and the middle part of the limit frame 707 is slidably matched with the floating platform 708. The automatic clamping fixture 7 also includes a connecting rod 709, and the middle part of the floating platform 708 is fixed. There is a connecting rod 709, and both ends of the connecting rod 709 are embedded in the side groove 706 on the inner side of the bottom of the pull rod 705. The automatic clamping fixture 7 also includes a guide rod 710 and a guide sleeve 711. The bottom of the floating platform 708 is fixed with a guide rod 710, and the guide rod 710 is slidably matched with the guide sleeve 711 at the bottom end of the body 701. The automatic clamping fixture 7 also includes a return spring 712, and the return spring 712 is fixed at the bottom end of the guide sleeve 711, and the end of the return spring 712 is elastically connected to the guide rod 710.

[0024] Working principle: When using this kind of high-efficiency robot welding device, the automatic welding production line designed by the present application has two parallel conveyor belts 4, and the double-station welding robot 2 is staggered in the middle of the two conveyor belts 4, which can effectively improve the welding efficiency. The automatic clamping fixture 7 is fixed to the upper surface of the conveyor belt 4 by magnetic attraction, and the automatic loading operation is performed following the conveying stroke of the conveyor belt 4. The top and bottom of the gantry 5 in the middle of the bracket 3 are provided with a visual detection probe 6, which can visually monitor the welding position and assist the double-station welding robot 2 to improve the work The welding machine 700 has high precision and high accuracy. When in use, the workpiece to be welded is placed on the floating platform 708 in the middle of the limit frame 707. Because the dead weight of the workpiece is greater than the elastic force of the return spring 712, the connecting rod 709 in the middle of the floating platform 708 pulls the pull rods 705 on both sides to descend, and the top ends of the pull rods 705 on both sides slide with the grooves 704 in the middle of the pressure plate 703, so that the root of the pressure plate 703 is located at the end plates 702 on both sides of the machine body 701 and flipped down. There is no need for manual assistance to clamp the workpiece. The workpiece to be welded can be automatically clamped with the help of the dead weight of the workpiece, which greatly improves the level of automation.

[0025] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A highly efficient robot welding device, characterized in that: The invention comprises a workbench (1) and an automatic clamping fixture (7), wherein two double-station welding robots (2) are staggered in front and back in the middle of the workbench (1), and brackets (3) are arranged on both sides of the workbench (1), a conveyor belt (4) is rotatably installed inside the bracket (3), and a gantry (5) is welded and fixed in the middle of the bracket (3), and a visual detection probe (6) is arranged at the top and bottom of the gantry (5), and the automatic clamping fixture (7) is arranged at equal intervals on the upper surface of the conveyor belt (4).

2. A high-efficiency robot welding device according to claim 1, characterized in that: The automatic clamping fixture (7) comprises a body (701) and an end plate (702); the body (701) is fixed to the upper surface of the conveyor belt (4) by magnetic attraction, and the end plates (702) are integrally fixed to both sides of the top of the body (701).

3. A high-efficiency robot welding device according to claim 2, characterized in that: The automatic clamping fixture (7) further comprises a pressing plate (703) and a strip groove (704); the pressing plates (703) are rotatably mounted on the inner sides of the end plates (702) on both sides, and a strip groove (704) is provided in the middle of the pressing plate (703).

4. A high-efficiency robot welding device according to claim 3, characterized in that: The automatic clamping fixture (7) further comprises a pull rod (705) and a side groove (706); the pull rod (705) is slidably fitted inside the groove (704), and a side groove (706) is provided on the inner side of the bottom of the pull rod (705).

5. A high-efficiency robot welding device according to claim 4, characterized in that: The automatic clamping fixture (7) further comprises a limit frame (707) and a floating platform (708); the limit frame (707) is arranged at the middle end of the top of the machine body (701), and the floating platform (708) is slidably matched in the middle of the limit frame (707).

6. A high-efficiency robot welding device according to claim 5, characterized in that: The automatic clamping fixture (7) also includes a connecting rod (709), the connecting rod (709) is fixed in the middle of the floating platform (708), and both ends of the connecting rod (709) are embedded in the side groove (706) on the inner side of the bottom of the pull rod (705).

7. A high-efficiency robot welding device according to claim 6, characterized in that: The automatic clamping fixture (7) further comprises a guide rod (710) and a guide sleeve (711); the guide rod (710) is fixed to the bottom of the floating platform (708), and the guide rod (710) is slidably matched with the guide sleeve (711) at the bottom end of the body (701).

8. The high-efficiency robot welding device according to claim 7, characterized in that: The automatic clamping fixture (7) further comprises a return spring (712), the return spring (712) is fixed to the bottom end of the guide sleeve (711), and the end of the return spring (712) is elastically connected to the guide rod (710).

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