一种热融铆接设备

Abstract

本实用新型提出的热融铆接设备，包括机座，机座上设置有：进料传送带，用于定向传送数码管工件；视觉定位机构，由透明载物板和位于其正下方的摄像头构成，用于采集工件在透明载物板上的位置及姿态图像；装配平台，包含可横向移动的承载板条，用于承接并定位工件；转移机构，配置为抓取进料传送带末端上工件，移送至透明载物板进行图像采集；并依据图像信息调整工作角度，将姿态校准后的工件按设定排布于承载板条上；热压机构，包括可垂直升降的热压板，该热压板能够向承载板条施加压力以完成工件的热融铆接。本实用新型全自动设计，通过视觉定位与仿形限位槽的协同，解决了圆形数码管工件热融偏位问题，显著提高了数码管热融铆接效率，保证了装配质量。

Claims

1. A hot riveting apparatus comprising a machine base (1), characterized in that, The base (1) is provided with: Feed conveyor belt (2) is used for directional conveying of digital tube workpieces; The visual positioning mechanism consists of a transparent carrier plate (3) and a camera located directly below it, used to collect images of the position and posture of the workpiece on the transparent carrier plate (3); Assembly platform (4) includes laterally movable load-bearing slats (41) for receiving and positioning workpieces; The transfer mechanism (5) is configured to grab the workpiece on the end of the feeding conveyor belt (2), transfer it to the transparent carrier plate (3) for image acquisition, and adjust the working angle according to the image information to arrange the workpiece after attitude calibration on the carrier plate (41) according to the settings. The hot pressing mechanism (6) includes a vertically lifting hot pressing plate (61) that can apply pressure to the support strip (41) to complete the hot-melt riveting of the workpiece.

2. The hot-melt riveting equipment according to claim 1, characterized in that: The assembly platform (4) has several contour-fitting limiting grooves (411) on its bearing strip (41). The contour of each limiting groove (411) matches the bottom contour of the digital tube workpiece to be processed, so that the workpiece is embedded and a positioning constraint is formed.

3. The hot riveting apparatus of claim 2, wherein Also includes: The discharge conveyor belt (7) is parallel to and in the same direction as the feed conveyor belt (2); The transfer device (8) is configured to pick up the workpiece located in the contour limiting groove (411) of the bearing strip (41) after hot-melt riveting by a vacuum adsorption end effector and transfer it to the discharge conveyor belt (7) for output.

4. The hot-melt riveting equipment according to claim 3, characterized in that: The transfer device (8) includes: A horizontal linear guide rail (81) is set parallel to the conveying direction of the feed conveyor belt (2); The vertical module is rigidly connected to the horizontal linear slide rail (81) via a sliding base and includes a ball screw lifting mechanism (83) driven by a servo motor (82); The vacuum adsorption end includes a connecting flange (84) fixedly connected to the motion nut of the ball screw lifting mechanism (83), and a multi-nozzle arranged vacuum suction cup (85) installed at the far end of the connecting flange (84).

5. The hot-melt riveting equipment according to claim 1, characterized in that: The transfer mechanism (5) includes: The horizontal transmission module includes a linear guide rail (50) parallel to the conveying direction of the feed conveyor belt (2) and a horizontal ball screw pair (52) driven by a horizontal ball screw motor (51), the screw axis of which is consistent with the extension direction of the linear guide rail (50). The vertical motion module includes a vertical ball screw assembly (55) driven by a vertical screw motor (54) and connected to a movable nut (53) rigidly connected to the horizontal ball screw assembly (52). The attitude adjustment module includes a rotary drive motor (56), which is mounted on the moving block of the vertical ball screw pair (55) via a connecting plate (57). Its shaft output is provided with a rotary joint (58) and a pneumatic parallel gripper (59) connected to the rotary joint (58).

6. The hot-melt riveting equipment according to claim 2, characterized in that: The assembly platform (4) is connected to a drive module, which includes: A linear guide rail (42) orthogonal to the conveying direction of the feed conveyor belt (2); A ball screw pair (43) arranged parallel to the linear guide rail (42); A stepper motor (44) is connected to the end of the ball screw pair (43).

7. The hot-melt riveting equipment according to claim 1, characterized in that: The hot pressing mechanism (6) further includes: Four guide pillars (62) are vertically fixed to the base (1) platform to form a rectangular array; The top of the guide post (62) is rigidly locked through the top plate (63); The servo electric cylinder (64) is installed above the top plate (63), and its push rod passes through the center of the top plate (63); A balance plate (65) is connected to the end of the push rod of the servo electric cylinder (64); The lifting support frame (66) is formed by a sliding fit between a linear bearing and four guide columns (62).

8. The hot-melt riveting equipment according to claim 7, characterized in that: The bottom of the lifting support frame (66) is embedded with a heater that supplies heat to the heat-pressing plate (61).

9. The hot-melt riveting equipment according to claim 1, characterized in that: At the end of the feeding conveyor belt (2), a limiting baffle (21) is provided perpendicular to the conveying direction, and a photoelectric detector is provided on the side of the limiting baffle (21).

10. The hot-melt riveting equipment according to claim 1, characterized in that: The base (1) platform is provided with a light curtain array (9), which is a four-sided enclosed infrared photoelectric grating surrounding the hot pressing operation and transfer mechanism's operation envelope area.

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