Automatic nut riveting device for sill assembly

Abstract

The utility model provides an automatic nut riveting device for sill assembly, which relates to the field of assembly automation, and is characterized in that the automatic nut riveting device comprises a moving frame, a mounting seat and a riveting gun, a lead screw moving structure is rotatably connected in the moving frame, an electrical box is arranged on one side of the moving frame far away from a motor, the mounting seat is rotatably connected with a lead screw, and the riveting gun is rotatably connected with the lead screw. A limiting sliding rail is fixed to the position, close to the mounting base, of the movable frame and used for being matched with the mounting base to move, an electric push rod A is fixed to one side of the mounting base, sliding rails are arranged on the two sides of the electric push rod A, the hand riveter is located below the electric push rod A, and a mounting plate is fixed to the upper end of the hand riveter. A push rod part of the electric push rod A is fixedly connected with the mounting plate, and a sliding seat is vertically arranged at the upper end of the mounting plate, is in sliding connection with the sliding rail in a matched mode and is used for being matched with height changes to conduct rivet pulling operation. The utility model has the advantages that the workpiece can be quickly positioned and processed, the automatic production is realized, and the overall processing efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of assembly automation, and in particular to an automated nut riveting device for assembling sills. Background Technology

[0002] An elevator sill is a protective structure installed below the elevator door to prevent foreign objects from falling into the gap between the elevator and the platform. It is made of stainless steel. During the manufacturing process, riveting devices are often used to process the sill to facilitate subsequent assembly and use. Currently, the common riveting structure often requires manual alignment and adjustment of the workpiece and the execution of loading and unloading. This processing method is inefficient overall. At the same time, existing automated processing equipment has poor workpiece positioning effect and often requires a large number of positioning structures for workpiece adjustment, which is relatively costly and therefore cannot meet the current actual use needs. Utility Model Content

[0003] The purpose of this utility model is to provide an automated nut riveting device for assembling sills, which solves the technical problems of poor workpiece positioning effect and low riveting processing efficiency in the prior art, and achieves the technical effect of improving workpiece positioning effect and improving overall riveting processing efficiency.

[0004] To achieve the aforementioned objectives, the technical solution adopted by this utility model is as follows:

[0005] An automated nut riveting device for assembling sills includes a movable frame, a mounting base, and a rivet gun. The movable frame is internally connected to a lead screw, and a motor is mounted on one side of the frame. The motor is connected to the lead screw via a rotating shaft. An electrical box is located on the side of the movable frame away from the motor. Mounting brackets on both sides of the movable frame are fixedly connected to a worktable. One end of the mounting base has a rotating seat rotatably connected to the lead screw. A limit rail is fixed to the movable frame near the mounting base for movement of the mounting base. An electric push rod A is fixed to the side of the mounting base away from the movable frame. Slide rails are symmetrically arranged on both sides of the electric push rod A. The rivet gun is located below the electric push rod A, and a mounting plate is fixed to the upper end of the rivet gun. The push rod portion of the electric push rod A is fixedly connected to the mounting plate. A sliding seat is vertically arranged on the upper end of the mounting plate, slidingly connected to the slide rails for riveting operations to accommodate changes in height.

[0006] As an improvement, a protective cover is fixedly fitted on the outer side of the movable frame, and the protective cover has slots between it for moving with the mounting base. One side of the electrical box is connected to the mounting base by a cable chain. A position sensor is fixed at the upper end of the movable frame, and an identification module is located at the lower end of the mounting base near the movable frame. The position sensor can determine the current position of the mounting base through the identification module and transmit the data back to the corresponding control module in the electrical box through the internal wiring of the cable chain. The electric push rod A is a lead screw push rod with a fixed sleeve at its upper end to protect the extension push rod.

[0007] As an improvement, two sets of mounting seats are provided on one side of the movable frame. One set of mounting seats is fitted with a rivet gun, and the lower end of the other set of mounting seats is fixed with a limiting seat. The limiting seat is connected to the electric push rod A through a mounting plate and is slidably connected to the slide rail with a sliding seat. The limiting seat is set perpendicular to the mounting plate and is used to detect the position of the workpiece.

[0008] As an improvement, a probe is fixed on the side of the limiting seat away from the moving frame. The probe is used to sense the position of the workpiece. A vision sensor is provided at the upper end of the limiting seat. The vision sensor is set facing the side away from the moving frame and is used to cooperate with image recognition to identify the position and status of the workpiece.

[0009] As an improvement, the rivet gun is fixedly connected to the mounting plate by bolts. One side of the rivet gun has an air pipe interface, and the other side of the air pipe interface has a pipeline connected to the control valve. The rivet gun has a stress change sensing module inside to identify the riveting working status.

[0010] As an improvement, the rivet gun is slidably connected to the connecting plate via a slide rod. The connecting plate is a right-angle plate. The rivet gun and the electric push rod A are set perpendicular to each other. An electric push rod B is fixed on the side of the connecting plate away from the rivet gun. The push rod part of the electric push rod B is fixedly connected to the rivet gun and is used to adjust the horizontal position of the rivet gun.

[0011] The beneficial effects of this utility model are as follows: by setting up structures such as a moving frame and an electric push rod, multiple riveting processing can be carried out in conjunction with the feeding structure; by combining with structures such as a vision sensor and a limit seat, the workpiece can be quickly positioned, improving the overall processing efficiency; and by combining with a position sensor, the position of the workpiece and the position of the riveting gun can be determined, thereby achieving precise positioning and improving the overall processing accuracy. Attached Figure Description

[0012] Figure 1 This is a front view of an automated nut riveting device for assembling a sill according to the present invention;

[0013] Figure 2 for Figure 1 Enlarged structural diagram of Part A;

[0014] Figure 3 The left view shows the horizontal use state of the rivet gun of the automated nut rivet device for assembling a sill according to this utility model.

[0015] In the diagram: 1. Mounting bracket; 2. Movable bracket; 3. Slotted section; 4. Limiting slide rail; 5. Electrical box; 6. Cable chain; 7. Position sensor; 8. Mounting base; 9. Slide rail; 10. Fixing sleeve; 11. Electric push rod A; 12. Sliding seat; 13. Mounting plate; 14. Air pipe interface; 15. Riveting gun; 16. Vision sensor; 17. Limiting seat; 18. Connecting plate; 19. Electric push rod B. Detailed Implementation

[0016] To make the content of this utility model easier to understand, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this utility model. Identical components are represented by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0017] like Figures 1 to 3 As shown, an automated nut riveting device for assembling a sill includes a movable frame 2, a mounting base 8, and a rivet gun 15. A lead screw is rotatably connected inside the movable frame 2. A motor is mounted on one side of the movable frame 2, and the motor is connected to the lead screw via a rotating shaft. An electrical box 5 is located on the side of the movable frame 2 away from the motor. Mounting brackets 1 are fixedly connected to a worktable on both sides of the movable frame 2. One end of the mounting base 8 has a rotating seat rotatably connected to the lead screw. A limiting slide rail 4 is fixed to the movable frame 2 near the mounting base 8 to facilitate movement of the mounting base 8. An electric push rod A11 is fixed to the side of the mounting base 8 away from the movable frame 2. Slide rails 9 are symmetrically arranged on both sides of the electric push rod A11. The rivet gun 15 is located below the electric push rod A11. A mounting plate 13 is fixed to the upper end of the rivet gun 15. The push rod portion of the electric push rod A11 is fixedly connected to the mounting plate 13. A sliding seat 12 is vertically arranged on the upper end of the mounting plate 13, which is slidably connected to the slide rails 9 to accommodate riveting operations with varying heights. The mounting bracket 1 is made of metal, and the electrical box 5 has a remote control module fixed inside, which can receive remote control signals to control the operation of the device.

[0018] The movable frame 2 is fitted with a protective cover on its outer side. The protective cover has slots 3 between its sections for movement with the mounting base 8. The electrical box 5 has a drag chain 6 on one side connected to the mounting base 8. A position sensor 7 is fixed to the upper end of the movable frame 2. The lower end of the mounting base 8 near the movable frame 2 has an identification module. The position sensor 7 can determine the current position of the mounting base 8 through the identification module and transmit the data back to the corresponding control module in the electrical box 5 through the internal wiring of the drag chain 6. The electric push rod A11 is a lead screw push rod with a fixed sleeve 10 at its upper end for protecting the extension push rod. Two sets of mounting bases 8 are provided on one side of the movable frame 2. One set of mounting bases 8 is fitted with a rivet gun 15, and the lower end of the other set of mounting bases 8 is fixed with a limit seat 17. The limit seat 17 is connected to the electric push rod A11 through a mounting plate 13 and is slidably connected to the slide rail 9 with a sliding seat 12. The limit seat 17 is set perpendicular to the mounting plate 13 and is used to detect the position of the workpiece. A probe is fixed to the side of the limiting seat 17 away from the moving frame 2. The probe is used to sense the position of the workpiece. A vision sensor 16 is provided at the upper end of the limiting seat 17. The vision sensor 16 is set towards the side away from the moving frame 2 and is used to cooperate with image recognition to identify the position and status of the workpiece. The limiting seat 17 can cooperate with the lead screw moving structure to form a set of two gripper structures, thereby realizing the gripping action. The shape of the gripper can be made according to the shape of the workpiece, so as to quickly cooperate with the inner groove to achieve rapid positioning and sorting.

[0019] The rivet gun 15 is fixedly connected to the mounting plate 13 by bolts. One side of the rivet gun 15 has an air pipe interface 14, and one side of the air pipe interface 14 has a pipe connected to a control valve. The rivet gun 15 has an internal stress change sensing module for identifying the riveting working state. The rivet gun 15 is slidably connected to a connecting plate 18 via a slide rod. The connecting plate 18 is a right-angle plate. The rivet gun 15 and the electric push rod A11 are set perpendicular to each other. An electric push rod B19 is fixed to the side of the connecting plate 18 away from the rivet gun 15. The push rod part of the electric push rod B19 is fixedly connected to the rivet gun 15 for adjusting the horizontal position of the rivet gun 15. Multiple rivet guns 15 can be arranged side-by-side to perform multiple riveting operations in one process. The pressure change sensing module can be connected to the control module in the electrical box 5 via wiring, and automatically stops rotating after the rivet gun 15 senses a preset pressure.

[0020] When in use, multiple sets of the entire device can be connected in series. When the workpiece moves to the corresponding processing position, the lead screw inside the moving frame 2 will move the mounting seat 8 to the corresponding position, and under the drive of the electric push rod A11, the rivet gun 15 will approach the processing hole. Then, the rivet gun 15 will rotate under the control of the air valve to perform the riveting operation. Afterwards, it will be reset under the drive of the electric push rod A11 to proceed to the next position for processing. During this process, the limit seat 17 will descend at the same time and approach the workpiece to identify the current position. When processing is required on the side, the vertically set rivet gun 15 can be lowered to the corresponding position, and then the electric push rod B19 will push the rivet gun 15 to the predetermined processing position to realize the riveting processing on the side of the workpiece.

[0021] The above description is only a preferred embodiment of this utility model patent and is not intended to limit this utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of this utility model patent should be included within the protection scope of this utility model patent.

Claims

1. An automated nut riveting device for assembling a sill, characterized in that, The system includes a movable frame (2), a mounting base (8), and a rivet gun (15). The movable frame (2) is internally connected to a lead screw. One side of the movable frame (2) has a motor, which is connected to the lead screw via a rotating shaft. An electrical box (5) is located on the side of the movable frame (2) away from the motor. Mounting brackets (1) on both sides of the movable frame (2) are fixedly connected to the worktable. One end of the mounting base (8) has a rotating seat rotatably connected to the lead screw. A limit rail (4) is fixed near the mounting base (8) on the movable frame (2) to cooperate with the mounting base (15). 8) Moving, the mounting base (8) is fixed with an electric push rod A (11) on the side away from the moving frame (2). The electric push rod A (11) is symmetrically provided with slide rails (9) on both sides. The rivet gun (15) is located below the electric push rod A (11). The upper end of the rivet gun (15) is fixed with a mounting plate (13). The push rod part of the electric push rod A (11) is fixedly connected to the mounting plate (13). The upper end of the mounting plate (13) is vertically provided with a sliding seat (12) which is slidably connected with the slide rail (9) to cooperate with the riveting operation in accordance with the change of height.

2. The automated nut riveting device for assembling a sill according to claim 1, characterized in that, The outer side of the movable frame (2) is fitted with a protective cover, and the protective cover has slots (3) for moving in conjunction with the mounting base (8). One side of the electrical box (5) is connected to the mounting base (8) by a drag chain (6). The upper end of the movable frame (2) is fixed with a position sensor (7). The lower end of the mounting base (8) near the movable frame (2) is equipped with an identification module. The position sensor (7) can determine the current position of the mounting base (8) through the identification module and transmit the data back to the corresponding control module of the electrical box (5) through the internal wiring of the drag chain (6). The electric push rod A (11) is a lead screw push rod with a fixed sleeve (10) at its upper end for protecting the extension push rod.

3. The automated nut riveting device for assembling a sill according to claim 2, characterized in that, Two sets of mounting seats (8) are provided on one side of the movable frame (2). One set of mounting seats (8) is fitted with a rivet gun (15). The lower end of the other set of mounting seats (8) is fixed with a limiting seat (17). The limiting seat (17) is connected to the electric push rod A (11) through the mounting plate (13) and is slidably connected to the slide rail (9) with the sliding seat (12). The limiting seat (17) is set perpendicular to the mounting plate (13) and is used to detect the position of the workpiece.

4. The automated nut riveting device for assembling a sill according to claim 3, characterized in that, A probe is fixed on the side of the limiting seat (17) away from the moving frame (2). The probe is used to sense the position of the workpiece. A vision sensor (16) is provided at the upper end of the limiting seat (17). The vision sensor (16) is set facing the side away from the moving frame (2) and is used to cooperate with image recognition to identify the position and status of the workpiece.

5. The automated nut riveting device for assembling a sill according to claim 1, characterized in that, The rivet gun (15) is fixedly connected to the mounting plate (13) by bolts. One side of the rivet gun (15) is equipped with an air pipe interface (14). One side of the air pipe interface (14) is equipped with a pipeline connected to the control valve. The rivet gun (15) is equipped with a stress change sensing module inside, which is used to identify the riveting working status.

6. An automated nut riveting device for assembling a sill according to claim 5, characterized in that, The rivet gun (15) is slidably connected to the connecting plate (18) via a sliding rod. The connecting plate (18) is a right-angle plate. The rivet gun (15) and the electric push rod A (11) are set perpendicular to each other. An electric push rod B (19) is fixed on the side of the connecting plate (18) away from the rivet gun (15). The push rod part of the electric push rod B (19) is fixedly connected to the rivet gun (15) and is used to adjust the horizontal position of the rivet gun (15).

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