High-precision laser welding device for material conveying frame

Abstract

The high-precision laser welding device comprises a platform and two side frames, the two side frames are arranged on the two sides of the platform respectively, a limiting groove is formed between the platform and the side frames, the limiting groove is used for limiting a single piece, a calibration assembly is arranged on the platform, welding assemblies are arranged on the side frames, and the calibration assembly is used for calibrating the single piece. The welding assembly is used for welding the single piece and the bottom plate; the calibration assembly comprises a driving unit and two positioning plates, the two positioning plates are arranged on the two sides of the driving unit respectively, the driving unit drives the two positioning plates to move oppositely or oppositely, a plurality of positioning columns are arranged on the positioning plates, and the positioning columns are matched with shaft holes in the single pieces; according to the high-precision laser welding device for the conveying frame, the limiting groove, the side frame and the calibration assembly are adopted, the positions of the single pieces can be rapidly limited, the two single pieces can be accurately calibrated, the calibration time is shortened, the single pieces and the bottom plate are automatically welded through the welding assembly, and the welding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to welding technology, in particular to a high-precision laser welding device for a material conveying frame. Background Art

[0002] A paver is a type of construction equipment mainly used for paving various materials on the base and surface layers of highways. The paving work is completed by the cooperation of various systems, mainly including a traveling system, a hydraulic system, a material distribution system, etc. The material distribution system generally uses a conveyor belt for material transportation, and the conveyor belt is set on a conveyor rack.

[0003] The feed rack is mainly welded by a base plate and two single pieces, and the two ends of the conveying shaft of the conveyor belt need to pass through the axial holes on the two single pieces. Therefore, during the welding process, it is necessary to ensure that the axial holes on the two single pieces need to be accurately aligned. The existing feeding rack welding method is generally: first place the base plate horizontally, then load and weld the single piece on one side, then load the single piece on the other side, and use the calibrator to calibrate the axial holes on the two single pieces in turn, and finally weld the second single piece. The welding and calibration operations are complicated and difficult, which greatly affects the welding efficiency. Utility Model Content

[0004] In order to solve the defects of the above-mentioned prior art, the utility model provides a high-precision laser welding device for a feed frame, which can quickly and accurately calibrate two single pieces, reduce the calibration time, and improve the welding efficiency.

[0005] In order to achieve the above technical objectives, the utility model adopts the following technical solutions: a high-precision laser welding device for a feed frame, comprising a platform and two side frames, the two side frames are respectively arranged on both sides of the platform, a limiting groove is provided between the platform and the side frames, the limiting groove is used to limit the single piece, a calibration component is provided on the platform, a welding component is provided on the side frame, the welding assembly is used to weld the single piece and the base plate; the calibration component comprises a driving unit and two positioning plates, the two positioning plates are respectively arranged on both sides of the driving unit, the driving unit drives the two positioning plates to move relative to or towards each other, a plurality of positioning columns are provided on the positioning plates, and the positioning columns cooperate with the axial holes on the single piece.

[0006] Preferably, the driving unit includes a positioning motor, a screw and two moving blocks. The positioning motor is fixed to the platform. The screw is rotatably connected to the platform through the positioning block. The screw is vertically arranged to the single piece. The two moving blocks are respectively threadedly engaged with the two ends of the screw. The positioning plate is fixed above the moving blocks. The positioning motor drives the screw to rotate to drive the two moving blocks to move relative to or toward each other.

[0007] Preferably, guide rails are provided on both sides of the screw rod, the guide rails are fixed to the platform and arranged parallel to the screw rod, and guide blocks are slidably fitted on the guide rails, and the guide blocks are fixed to the bottom of the positioning plate.

[0008] Preferably, the welding assembly includes a slide rail, a slider and a moving unit, the slide rail is fixed to the top of the side frame, the slider slides with the slide rail, the moving unit is arranged on the slider and is used to drive the slider to move along the slide rail, a manipulator and a laser welding gun are provided on the top of the slider, and the manipulator controls the movement of the laser welding gun.

[0009] Preferably, a roller is rotatably connected below the sliding block, and the bottom of the roller abuts against the slide rail.

[0010] Preferably, the moving unit includes a rack, a gear and a moving motor, the moving motor is fixed to one side of the bottom of the slider, the rack is arranged on the side of the slide rail facing the moving motor, the gear is driven to rotate by the motor, and the gear is meshed with the rack.

[0011] In summary, the utility model has achieved the following technical effects:

[0012] The utility model discloses a high-precision laser welding device for a material conveyor frame, which adopts a limit groove, a side frame and a calibration component, can quickly limit the position of a single piece and accurately calibrate two single pieces, thereby reducing the calibration time, and automatically welds the single piece and the base plate through the welding component, thereby improving the welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a high-precision laser welding device for a material conveyor frame of the utility model;

[0014] Figure 2 It is a schematic diagram of the welding state of the high-precision laser welding device for the material conveyor of the utility model;

[0015] Figure 3 It is a structural schematic diagram of a welding assembly of a high-precision laser welding device for a material conveyor frame of the utility model;

[0016] Explanation of the reference numerals in the drawings in the specification: 1. Platform; 2. Side frame; 3. Limiting groove; 4. Positioning motor; 5. Screw rod; 6. Moving block; 7. Positioning block; 8. Positioning plate; 9. Guide rail; 10. Guide block; 11. Positioning column; 12. Slide rail; 13. Slider; 14. Manipulator; 15. Laser welding gun; 16. Roller; 17. Rack; 18. Gear; 19. Moving motor; 20. Single chip; 21. Bottom plate. DETAILED DESCRIPTION

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0018] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0019] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0020] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0021] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0023] Embodiment 1:

[0024] like Figure 1 -2, a high-precision laser welding device for a feed frame comprises a platform 1 and two side frames 2, the two side frames 2 are respectively arranged on both sides of the platform 1, a limiting groove 3 is provided between the platform 1 and the side frames 2, the limiting groove 3 is used to limit the single piece 20, a calibration component is provided on the platform 1, a welding component is provided on the side frame 2, the welding component is used to weld the single piece 20 and the bottom plate 21; the calibration component comprises a driving unit and two positioning plates 8, the two positioning plates 8 are respectively arranged on both sides of the driving unit, the driving unit drives the two positioning plates 8 to move relative to or towards each other, a plurality of positioning columns 11 are provided on the positioning plate 8, and the positioning columns 11 cooperate with the axial holes on the single piece 20.

[0025] The high-precision laser welding device for the material conveyor of this embodiment adopts the limit groove 3, the side frame 2 and the calibration component, which can quickly limit the position of the single piece 20 and accurately calibrate the two single pieces 20, reducing the calibration time, and automatically weld the single piece 20 and the bottom plate 21 through the welding component to improve the welding efficiency.

[0026] The driving unit includes a positioning motor 4, a screw rod 5 and two moving blocks 6. The positioning motor 4 is fixed to the platform 1. The screw rod 5 is rotatably connected to the platform 1 through the positioning block 7. The screw rod 5 is vertically arranged to the single piece 20. The two moving blocks 6 are respectively threadedly engaged with the two ends of the screw rod 5. The positioning plate 8 is fixed above the moving blocks 6. The positioning motor 4 drives the screw rod 5 to rotate to drive the two moving blocks 6 to move relative to or towards each other; guide rails 9 are provided on both sides of the screw rod 5. The guide rails 9 are fixed to the platform 1 and arranged parallel to the screw rod 5. A guide block 10 is slidably engaged with the guide rail 9, and the guide block 10 is fixed to the bottom of the positioning plate 8.

[0027] like Figure 3 As shown, the welding assembly includes two slide rails 12, a slider 13 and a moving unit. The two slide rails 12 are fixed on the top of the side frame 2. The slider 13 slides with the slide rails 12. The moving unit is arranged on the slider 13 and is used to drive the slider 13 to move along the slide rails 12. A manipulator 14 and a laser welding gun 15 are arranged on the top of the slider 13. The manipulator 14 controls the movement of the laser welding gun 15. Two rollers 16 are rotatably connected below the slider 13. The rollers 16 correspond to the slide rails 12 one by one, and the bottom of the rollers 16 abuts against the slide rails 12. The moving unit includes a rack 17, a gear 18 and a moving motor 19. The moving motor 19 is fixed on one side of the bottom of the slider 13. The rack 17 is arranged on the side of one of the two slide rails 12 facing the moving motor 19. The gear 18 is driven to rotate by the motor, and the gear 18 is meshed with the rack 17.

[0028] Working principle: first calibrate the corresponding positioning columns 11 on the two positioning plates 8 to be in the same straight line, then hoist the two single pieces 20 into the two limit slots 3 for preliminary definition, then the calibration assembly works, the positioning motor 4 drives the screw 5 to rotate, and drives the two moving blocks 6 to move relative to each other, so that the two positioning plates 8 move toward the single piece 20, and the positioning columns 11 on the positioning plates 8 are inserted into the axial holes of the single piece 20, so that the two single pieces 20 are calibrated, and then the bottom plate 21 is hoisted above the single piece 20, and finally the welding assembly works, the moving unit drives the slider 13 to move, and the manipulator 14 controls the laser welding gun 15 to weld the seam between the single piece 20 and the bottom plate 21.

[0029] The above description is only a preferred implementation mode of the present invention, and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A high-precision laser welding device for a conveyor frame, characterized in that: It includes a platform and two side frames, the two side frames are respectively arranged on both sides of the platform, a limiting groove is arranged between the platform and the side frames, the limiting groove is used to limit the single piece, the platform is provided with a calibration component, the side frames are provided with a welding component, and the welding component is used to weld the single piece and the bottom plate; The calibration assembly includes a driving unit and two positioning plates, the two positioning plates are respectively arranged on both sides of the driving unit, the driving unit drives the two positioning plates to move relative to or towards each other, and a plurality of positioning columns are arranged on the positioning plates, and the positioning columns cooperate with the shaft holes on the single piece.

2. A high-precision laser welding device for a material conveyor according to claim 1, characterized in that: The driving unit includes a positioning motor, a screw and two moving blocks. The positioning motor is fixed to the platform. The screw is rotatably connected to the platform through the positioning block. The screw is vertically arranged to the single piece. The two moving blocks are respectively threadedly engaged with the two ends of the screw. The positioning plate is fixed above the moving blocks. The positioning motor drives the screw to rotate to drive the two moving blocks to move relative to or toward each other.

3. A high-precision laser welding device for a material conveyor according to claim 2, characterized in that: Guide rails are provided on both sides of the screw rod, the guide rails are fixed to the platform and arranged parallel to the screw rod, and guide blocks are slidably matched on the guide rails, and the guide blocks are fixed to the bottom of the positioning plate.

4. The high-precision laser welding device for a material conveyor according to claim 1, characterized in that: The welding assembly includes a slide rail, a slider and a moving unit. The slide rail is fixed to the top of the side frame. The slider slides in cooperation with the slide rail. The moving unit is arranged on the slider and is used to drive the slider to move along the slide rail. A manipulator and a laser welding gun are arranged on the top of the slider. The manipulator controls the movement of the laser welding gun.

5. The high-precision laser welding device for a material conveyor according to claim 4, characterized in that: A roller is rotatably connected to the lower side of the sliding block, and the bottom of the roller abuts against the sliding rail.

6. The high-precision laser welding device for a material conveyor according to claim 4, characterized in that: The moving unit includes a rack, a gear and a moving motor. The moving motor is fixed to one side of the bottom of the slider. The rack is arranged on the side of the slide rail facing the moving motor. The gear is driven to rotate by the motor, and the gear is meshed with the rack.

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