Sand box robot welding system

Abstract

The utility model belongs to the technical field of sand box welding systems, and discloses a sand box robot welding system which comprises a workbench, a welding robot, a welding displacement assembly and a sand box displacement assembly. The welding displacement assembly is vertically arranged on the workbench, and the welding robot is hung upside down at the top end of the welding displacement assembly. The welding displacement assembly can rotate on the horizontal plane, and the welding robot can move up and down on the welding displacement assembly in the vertical direction. The sand box displacement assembly comprises a tipping device, a sand box jig and a first rotating device, the output end of the tipping device is connected with the rotating device and enables the rotating device to rotate and incline on the vertical face, and the output end of the first rotating device is connected to the bottom of the sand box jig so that the sand box jig can rotate on the inclined face where the sand box jig is located. The sand box robot welding system is high in welding accessibility, welding flexibility and welding efficiency and good in welding effect.

Description

Technical Field

[0001] The utility model relates to the technical field of sand box welding systems, and particularly relates to a sand box robot welding system. Background Art

[0002] The sand box for lost foam casting plays a very important role in the lost foam casting process. Usually, the box body of the sand box is formed by combining steel plates, channel steels, stainless steel meshes and grid bars, etc., with a generous appearance and durability. However, there are multiple weld seams left on the sand box after group welding. To ensure the firmness of the sand box, a sand box robot welding system is required to perform full welding on the sand box.

[0003] However, the sand box robot welding system in the prior art has the problem of limited movement range of the robot. Because the sand box is large in volume, it is not conducive to the expansion of the robot arm, and the weldability of the box robot welding system is low, resulting in problems such as low welding efficiency and poor welding accuracy. Therefore, it is urgent to propose a sand box robot welding system to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a sand box robot welding system with high welding accessibility, high welding flexibility, high welding efficiency and good welding effect.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] The sand box robot welding system includes:

[0007] A workbench;

[0008] A welding robot;

[0009] A welding position-changing component, vertically arranged on the workbench, with the welding robot hanging upside down at the top of the welding position-changing component. The welding position-changing component can rotate in the horizontal plane, and the welding robot can move up and down in the vertical direction on the welding position-changing component;

[0010] A sand box position-changing component, including a tilting device, a sand box fixture and a first rotating device. The tilting device is fixed on the workbench, the output end of the tilting device is connected to the first rotating device and can make the first rotating device rotate and tilt in the vertical plane, and the output end of the first rotating device is connected to the bottom of the sand box fixture, so that the sand box fixture rotates on the inclined plane where the sand box fixture is located.

[0011] As an alternative technical solution of the sand box robot welding system, the welding position-changing assembly includes a second slewing device and a support column. One end of the second slewing device is fixed to the workbench, and the other end is connected to the vertically arranged support column. The second slewing device rotates to drive the support column to rotate in the horizontal plane, and the welding robot is hung upside down at the top end of the support column.

[0012] As an alternative technical solution of the sand box robot welding system, the welding position-changing assembly further includes a base fixed to the workbench. The second slewing device includes a rotation driving member and a slewing support member. The output end of the rotation driving member is connected to the slewing support member, and the slewing support member is located between the base and the support column.

[0013] As an alternative technical solution of the sand box robot welding system, the welding position-changing assembly further includes a lifting driving member and a support cross beam located on the support column. One end of the support cross beam is slidably connected to the support column, and the welding robot is hung upside down at the other end of the support cross beam. The output end of the lifting driving member is connected to the support cross beam.

[0014] As an alternative technical solution of the sand box robot welding system, a serrated guide rail is provided on the support column, and the support cross beam is slidably arranged on the serrated guide rail.

[0015] As an alternative technical solution of the sand box robot welding system, the sand box position-changing assembly further includes a support. The support is vertically arranged on the workbench, and the tilting device is located on the top side wall of the support.

[0016] As an alternative technical solution of the sand box robot welding system, the sand box position-changing assembly further includes an L-shaped arm. One end of the L-shaped arm is connected to the output end of the tilting device, and the other end is connected to the first slewing device.

[0017] As an alternative technical solution of the sand box robot welding system, the sand box position-changing assembly further includes a U-shaped arm. The U-shaped arm is connected to the output end of the tilting device, and the first slewing device is located inside the U-shaped arm.

[0018] As an alternative technical solution of the sand box robot welding system, lubricating components are installed on all moving axes of the welding position-changing assembly and the sand box position-changing assembly.

[0019] As an alternative technical solution of the sand box robot welding system, the arm of the welding robot can be freely programmed, and trajectory interpolation can be performed on the position of the welding robot.

[0020] Advantages of the present utility model: The sand box robot welding system provided by the present utility model includes a workbench, a welding robot, a welding position-changing assembly, and a sand box position-changing assembly. The welding robot is hung upside down at the top of the welding position-changing assembly, which is convenient for the extension of the welding action of the welding robot arm and improves the weldability of the welding robot. The welding position-changing assembly can rotate in the horizontal plane, and the welding robot can move up and down in the vertical direction on the welding position-changing assembly to adjust the position of the welding robot, facilitating the welding of different positions of the sand box by the welding robot and improving the welding flexibility. The sand box position-changing assembly includes a tilting device, a sand box fixture, and a first rotating device. The output end of the tilting device is connected to the first rotating device and can make the first rotating device rotate and tilt in the vertical plane; the output end of the first rotating device is connected to the bottom of the sand box fixture, enabling the sand box fixture to rotate on the inclined plane where the sand box fixture is located, thereby driving the sand box fixed on the sand box fixture to rotate. The tilting device drives the sand box fixture with the sand box to tilt, adjusting the welding angle between the welding robot and the welding surface when welding the sand box to an appropriate angle, thereby enhancing the welding effect; the first rotating device drives the sand box to rotate, enabling all-round welding of the sand box. Description of the Drawings

[0021] Figure 1 is an axonometric view of the sand box robot welding system provided by an embodiment of the present utility model;

[0022] Figure 2 is a front view of the sand box robot welding system provided by an embodiment of the present utility model;

[0023] Figure 3 is a left view of the sand box robot welding system provided by an embodiment of the present utility model;

[0024] Figure 4 is a structural schematic diagram of the welding position-changing assembly of the sand box robot welding system provided by an embodiment of the present utility model.

[0025] In the figure:

[0026] 100, workbench; 200, welding robot; 300, welding position-changing assembly; 310, second rotating device; 320, support column; 330, base; 340, support crossbeam; 400, sand box position-changing assembly, 410, tilting device; 420, sand box fixture; 430, support; 440, L-shaped arm. Detailed Embodiment

[0027] The following further elaborates on the present utility model in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are merely for explaining the present utility model and not for limiting the present utility model. Additionally, it should be noted that for the sake of description, only parts related to the present utility model rather than all structures are shown in the drawings.

[0028] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected to", and "fixed" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over", and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "beneath", and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0030] In the description of this embodiment, the orientation or positional relationships such as "above", "below", "right", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meanings.

[0031] The sand box robot welding system provided by this embodiment has high welding accessibility, high welding flexibility, high welding efficiency, and good welding effect.

[0032] Specifically, as Figures 1 to 3As shown in the figure, the sand box robot welding system includes a workbench 100, a welding robot 200, a welding position-changing assembly 300, and a sand box position-changing assembly 400. The welding position-changing assembly 300 is vertically arranged on the workbench 100, and the welding robot 200 is hung upside down at the top of the welding position-changing assembly 300, which is convenient for the extension of the welding action of the arm of the welding robot 200 and improves the weldability of the welding robot. The welding position-changing assembly 300 can rotate in the horizontal plane, and the welding robot 200 can move up and down along the vertical direction on the welding position-changing assembly 300 to adjust the position of the welding robot 200, which is convenient for the welding robot 200 to weld different positions of the sand box and improves the welding flexibility. The sand box position-changing assembly 400 includes a tilting device 410 and a first slewing device. The tilting device 410 is fixed to the workbench 100, and the output end of the tilting device 410 is connected to the first slewing device and can make the first slewing device rotate and tilt in the vertical plane; the output end of the first slewing device is connected to the bottom of the sand box jig 420, so that the sand box jig 420 rotates on the inclined plane where the sand box jig 420 is located, thereby driving the sand box fixed on the sand box jig 420 to rotate. The tilting device 410 drives the sand box jig 420 equipped with the sand box to tilt, adjusts the welding angle between the welding robot 200 and the welding surface when welding the sand box, thereby improving the welding effect; the first slewing device drives the sand box to rotate, enabling all-round welding of the sand box.

[0033] Further, in this embodiment, the arm of the welding robot 200 can be freely programmed, and trajectory interpolation can be performed on the position of the welding robot 200.

[0034] As Figure 4 shown in the figure, the welding position-changing assembly 300 includes a second slewing device 310 and a support column 320. One end of the second slewing device 310 is fixed to the workbench 100, and the other end is connected to the vertically arranged support column 320. The second slewing device 310 rotates to drive the support column 320 to rotate in the horizontal plane, and the welding robot 200 is hung upside down at the top of the support column 320. The support column 320 supports the welding robot 200 to realize that the welding robot 200 is hung upside down above the sand box; the second slewing device 310 rotates the support column 320 to realize the position transformation of the welding robot 200, and the structure of the welding position-changing assembly 300 is simple.

[0035] Further, the welding position-changing assembly 300 further includes a base 330 fixed to the workbench 100 to increase the structural stability of the welding position-changing device. The second slewing device 310 includes a rotation driving part and a slewing support part. The output end of the rotation driving part is connected to the slewing support part, and the slewing support part is located between the base 330 and the support column 320. The rotation driving part drives the slewing support part to rotate, thereby driving the support column 320 to rotate.

[0036] To enable the welding robot 200 to move vertically along the support column 320, the welding position-changing assembly 300 further includes a lifting drive member located on the support column 320 and a support cross beam 340. One end of the support cross beam 340 is slidably connected to the support column 320, and the welding robot 200 is inverted and hung at the other end of the support cross beam 340. The output end of the lifting drive member is connected to the support cross beam 340.

[0037] Optionally, the lifting drive member is a cylinder.

[0038] Furthermore, a serrated guide rail is provided on the support column 320, and the support cross beam 340 is slidably arranged on the serrated guide rail. The support cross beam 340 is slidably connected to the serrated guide rail. The serrated guide rail can not only enable the support cross beam 340 to slide vertically along it but also hold the support cross beam 340 in place when it stops sliding.

[0039] In this embodiment, the entire welding position-changing assembly 300 is a C-shaped inverted hanging assembly.

[0040] Continue as Figures 1 to 3 As shown, to increase the structural stability of the sand box position-changing assembly 400, the sand box position-changing assembly 400 further includes a support 430 vertically arranged on the workbench 100, and the tilting device 410 is located on the top side wall of the support 430.

[0041] In some embodiments, the sand box position-changing assembly 400 further includes an L-shaped arm 440. One end of the L-shaped arm 440 is connected to the output end of the tilting device 410, and the other end is connected to the first slewing device. In some other embodiments, the sand box position-changing assembly 400 further includes a U-shaped arm, the U-shaped arm is connected to the output end of the tilting device 410, and the first slewing device is located inside the U-shaped arm.

[0042] It should be noted that lubricating components are installed on all moving axes of the welding position-changing assembly 300 and the sand box position-changing assembly 400.

[0043] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the implementation manners of the present invention. For those of ordinary skill in the art, various obvious changes, re-adjustments, and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to enumerate all implementation manners here. Any modifications, equivalent substitutions, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the claims of the present invention.

Claims

1. Sand box robot welding system, characterized in that, Comprising: Workbench (100); Welding robot (200); Welding position-changing assembly (300), including a second rotating device (310), a support column (320), a lifting drive member, and a support crossbeam (340). One end of the second rotating device (310) is fixed to the workbench (100), and the other end is connected to the vertically arranged support column (320). The second rotating device (310) rotates to drive the support column (320) to rotate in the horizontal plane. The lifting drive member and the support crossbeam (340) are located on the support column (320). A serrated guide rail is provided on the support column (320). One end of the support crossbeam (340) is slidably arranged on the serrated guide rail. The welding robot (200) is hung upside down at the other end of the support crossbeam (340). The output end of the lifting drive member is connected to the support crossbeam (340); Sand box position-changing assembly (400), including a tilting device (410), a sand box jig (420), and a first rotating device. The tilting device (410) is fixed to the workbench (100). The output end of the tilting device (410) is connected to the first rotating device and can make the first rotating device rotate and tilt in the vertical plane. The output end of the first rotating device is connected to the bottom of the sand box jig (420), so that the sand box jig (420) rotates on the inclined plane where the sand box jig (420) is located.

2. The sand box robot welding system according to claim 1, wherein The welding position-changing assembly (300) further includes a base (330) fixed to the workbench (100). The second rotating device (310) includes a rotating drive member and a slewing support member. The output end of the rotating drive member is connected to the slewing support member. The slewing support member is located between the base (330) and the support column (320).

3. The sand box robot welding system according to claim 1, wherein The sand box position-changing assembly (400) further includes a support (430). The support (430) is vertically arranged on the workbench (100). The tilting device (410) is located on the top side wall of the support (430).

4. The sand box robot welding system according to claim 3, characterized in that, The sand box position-changing assembly (400) further includes an L-shaped arm (440). One end of the L-shaped arm (440) is connected to the output end of the tilting device (410), and the other end is connected to the first rotating device.

5. The sand box robot welding system according to claim 3, characterized in that, The sand box position-changing assembly (400) further includes a U-shaped arm. The U-shaped arm is connected to the output end of the tilting device (410). The first rotating device is located inside the U-shaped arm.

6. The flask robot welding system according to any one of claims 1-5, characterized in that All moving axes of the welding position-changing assembly (300) and the sand box position-changing assembly (400) are equipped with lubricating components.

7. The sand box robot welding system according to claim 1, characterized in that, The arm of the welding robot (200) can be freely programmed and can perform trajectory interpolation on the position of the welding robot (200).

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