一种组立焊接辅助夹指机构

Abstract

本实用新型涉及一种组立焊接辅助夹指机构，包括自行走架和夹指单元，自行走架安装在带输送焊接平台上，并通过第一行走驱动组件驱动沿第一方向移动，夹指单元通过夹指单元安装板安装在自行走架上并随自行走架同步移动，夹指单元包括用于夹持固定组立的夹指头、用于驱动夹指头沿第二方向移动的第二行走驱动组件、用于调整夹指头角度的夹指摆转组件、用于带动夹指头沿第三方向竖直移动的夹指升降组件、用于对夹指头位置微调的夹指微调组件；本实用新型的组立焊接辅助夹指机构能够自行走到带输送焊接平台的组立焊接筋板位置处，夹指单元通过调整摆转角度、张开夹指头、下降夹指头到筋板两侧，夹持筋板并精确定位。

Claims

1. An assembly welding assist finger mechanism mounted on a belt conveyor welding platform characterized by: The assembly welding auxiliary clamping finger mechanism includes a self-propelled frame and a clamping finger unit. The self-propelled frame is mounted on a welding platform with a conveyor belt and is driven to move along a first direction by a first walking drive component. The clamping finger unit is mounted on the self-propelled frame via a clamping finger unit mounting plate and moves synchronously with the self-propelled frame. The clamping finger unit includes a clamping finger head for clamping and fixing the assembly, a second walking drive component for driving the clamping finger head to move along a second direction, a clamping finger swing component for adjusting the angle of the clamping finger head, a clamping finger lifting component for driving the clamping finger head to move vertically along a third direction, and a clamping finger fine-tuning component for fine-tuning the position of the clamping finger head.

2. The assembly welding assist finger mechanism of claim 1, wherein: The gripper includes a gripper base and two opposing grippers. The gripper base has a gripper mounting cavity in the middle. The two grippers are mounted in the gripper mounting cavity of the gripper base and are driven to move horizontally closer to or further away from each other by a swing arm assembly. The swing arm assembly includes a drive swing arm and a swing arm drive block; The swing arm drive block is mounted on the gripper seat and driven to move up and down by the gripper finger drive cylinder. There are two drive swing arms, each corresponding to a gripper. The two drive swing arms are respectively located on both sides below the swing arm drive block and are each connected to the swing arm drive block by a swing arm pusher. The swing arm pusher is fixed on the swing arm drive block. The top of the drive swing arm has a swing arm waist-shaped hole for accommodating the swing arm pusher and allowing it to move. The swing arm pusher is movably located in the swing arm waist-shaped hole. The middle part of the drive swing arm is rotatably mounted on the gripper seat through a swing arm pivot. The bottom of the drive swing arm is connected to the corresponding gripper by a gripper pusher. The gripper pusher is fixed on the gripper. The bottom of the drive swing arm has a pusher notch for accommodating the gripper pusher and allowing it to move. The gripper pusher is movably located in the pusher notch.

3. The assembly welding assist finger mechanism of claim 2, wherein: Both the swing arm drive block and the swing arm are set in the gripper mounting cavity. The swing arm drive block has a swing arm limiting groove in the middle. Swing arm pusher mounting holes are formed on both sides of the swing arm limiting groove on the swing arm drive block. The top of the drive swing arm extends into the swing arm limiting groove. The swing arm pusher passes through the swing arm waist-shaped hole of the drive swing arm. The two ends of the swing arm pusher pass through the swing arm pusher mounting holes on the swing arm drive block. The drive swing arm has a swing arm pivot mounting hole in the middle. The swing arm pivot passes through the swing arm pivot mounting hole. The two ends of the swing arm pivot are fixedly connected to the gripper seat. A swing arm limiting sleeve is provided on each side of the drive swing arm. The swing arm limiting sleeve is fitted on the swing arm pivot. The bottom of the drive swing arm is set between two grippers and limited by the two grippers.

4. The assembly welding assist finger mechanism of claim 3, wherein: The two grippers are movably mounted on the gripper seat via gripper guide pins; Both grippers include an integrally formed gripper plate and gripper ends. The gripper ends are located at the bottom of the gripper plate and cooperate with the gripper plate to form a 7-shaped structure. The gripper pusher is fixed on the side of the gripper plate away from the gripper ends. A gripper waist-shaped hole is opened between the gripper pusher and the gripper ends on the gripper plate for the gripper guide pin to pass through and move horizontally. There are two gripper guide pins, and each gripper guide pin passes through the gripper waist-shaped hole of the two grippers in sequence. The two ends of the gripper guide pin are connected to the inner wall of the gripper seat.

5. The assembly welding assist finger mechanism of claim 2, wherein: The finger-clamping fine-tuning component includes, from top to bottom, a lifting cylinder connecting plate, a front and rear fine-tuning unit, a middle floating connecting plate, a left and right fine-tuning unit, and a finger-clamping drive cylinder connecting plate. The finger-driving cylinder connecting plate is located above the gripper seat and is connected to the gripper seat via several finger-mounting rods. The left and right fine-tuning unit includes left and right sliding linear guides, left and right sliding sliders, left and right sliding adjustment screws, and left and right sliding adjustment motors. The left and right sliding linear guides are mounted on the finger-clamping drive cylinder connecting plate. The left and right sliding sliders are mounted on the middle floating connecting plate and are slidably connected to the left and right sliding linear guides. The left and right sliding adjustment motors are mounted on the finger-clamping drive cylinder connecting plate. The left and right sliding adjustment screws are fixed to the output end of the left and right sliding adjustment motors. The middle floating connecting plate is threadedly connected to the left and right sliding adjustment screws through left and right sliding adjustment nuts. The front and rear fine-tuning unit includes a front and rear sliding linear guide rail, a front and rear sliding slider, a front and rear sliding adjustment screw, and a front and rear sliding adjustment motor. The front and rear sliding linear guide rail is mounted on the intermediate floating connecting plate. The front and rear sliding slider is mounted on the lifting cylinder connecting plate and is slidably connected to the front and rear sliding linear guide rail. The front and rear sliding adjustment motor is mounted on the intermediate floating connecting plate. The front and rear sliding adjustment screw is fixed to the output end of the front and rear sliding adjustment motor. The lifting cylinder connecting plate is threadedly connected to the front and rear sliding adjustment screw through a front and rear sliding adjustment nut.

6. The assembly welding assist finger mechanism of claim 5, wherein: The finger-clamping lifting assembly includes a lifting cylinder, a lifting cylinder head connecting plate, a lifting guide rod, and a guide rod sleeve. The lifting cylinder is located above the lifting cylinder connecting plate. The telescopic end of the lifting cylinder is connected to the lifting cylinder connecting plate. The lifting cylinder head connecting plate is installed on the lifting cylinder. The lifting guide rod is movably inserted into the guide rod sleeve. The bottom end of the lifting guide rod is fixedly connected to the lifting cylinder connecting plate. The guide rod sleeve is installed on the lifting cylinder head connecting plate.

7. The assembly welding assist finger mechanism of claim 6, wherein: The finger-clamping swing assembly includes a drive gear, a driven gear, and a swing drive motor; The drive gear is vertically rotatably mounted on the finger clamping unit mounting plate via the central axis of the drive gear bearing and is connected to the output end of the swing drive motor. The driven gear is vertically rotatably mounted on the finger clamping unit mounting plate via the central axis of the driven gear bearing. The driven gear meshes with the drive gear, and the bottom of the driven gear is fixedly connected to the lifting cylinder via the cylinder tail connecting plate of the lifting cylinder.

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