An automatic rivet taking and pulling device for a production line

Abstract

The utility model relates to the technical field of automatic rivet pulling of production line, and disclose a kind of automatic rivet pulling device for taking nail of production line, including bottom frame assembly, rack is installed and arranged on the bottom frame assembly, automatic nail taking mechanism is installed and arranged on the top beam of the rack, automatic rivet pulling mechanism is installed and arranged on the bottom frame assembly and below the automatic nail taking mechanism, scanning code component is installed and arranged on the top beam of the rack, the scanning code component is vertically aligned with the automatic rivet pulling mechanism, and the bottom frame assembly side is placed with nail feeding device;The automatic nail taking mechanism includes a movable mechanical arm, pneumatic clamp is installed on it, for grabbing rivet from nail feeding device and shifting to the station of automatic rivet pulling mechanism;The automatic rivet pulling mechanism includes a servo-driven automatic rivet pulling gun, for performing accurate rivet pulling operation to workpiece.

Description

Technical Field

[0001] This utility model relates to the field of automatic riveting technology for production lines, specifically an automatic riveting and rivet removal device for production lines. Background Technology

[0002] In existing production line assembly processes, riveting is a common connection method. Traditional riveting operations are usually done manually, where operators manually pick up rivets from the rivet box, place them in the corresponding holes on the workpiece, and then use a handheld riveting gun to perform the riveting operation. This method has many drawbacks: First, manual operation is inefficient and difficult to match the cycle time requirements of high-speed automated production lines; second, the accuracy of manually picking up and placing rivets is inconsistent, easily leading to problems such as missing rivets and misalignment, affecting product quality; third, prolonged repetitive operations can easily lead to worker fatigue, increase the risk of operational errors, and pose certain safety hazards.

[0003] While some semi-automated riveting equipment has emerged in the market, it often requires manual assistance for rivet placement or positioning, resulting in low automation levels. Furthermore, it lacks precise control and status feedback throughout the entire riveting process (such as rivet placement confirmation, riveting completion determination, and workpiece identification). Therefore, there is an urgent need for an automatic rivet-removing and riveting device that achieves full-process automation, high precision, high reliability, and seamless collaboration with other equipment on the production line (such as robotic arms) to improve production efficiency, ensure product quality stability, and enhance operational safety. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides an automatic rivet-removing and riveting device for production lines. This device, through the efficient integration of an automatic rivet-removing mechanism, an automatic riveting mechanism, and a barcode scanning component, achieves full automation of the precise rivet grabbing, positioning, and riveting operation, thus solving the technical problems of low efficiency, insufficient positioning accuracy, and significant safety hazards associated with manual riveting operations.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: an automatic nail removal and riveting device for a production line, comprising a bottom frame assembly, a frame mounted on the bottom frame assembly, an automatic nail removal mechanism mounted on the top crossbeam of the frame, an automatic riveting mechanism mounted on the bottom frame assembly and below the automatic nail removal mechanism, a barcode scanning assembly mounted on the top crossbeam of the frame, the barcode scanning assembly being vertically aligned with the automatic riveting mechanism, and a nail feeding device placed on one side of the bottom frame assembly;

[0008] The automatic rivet removal mechanism includes a movable robotic arm equipped with a pneumatic gripper for picking up rivets from the rivet feeding device and transferring them to the station of the automatic riveting mechanism; the automatic riveting mechanism includes a servo-driven automatic riveting gun for performing precise riveting operations on the workpiece.

[0009] Furthermore, the bottom frame assembly includes a rectangular base with adjustable height support feet at its four corners. A mounting plate is fixed to the upper surface of the rectangular base, and the mounting plate has multiple positioning holes for mounting the frame and the automatic riveting mechanism. The bottom frame assembly also includes a set of reinforcing ribs connected between the rectangular base and the mounting plate to enhance the overall structural rigidity.

[0010] Furthermore, the frame includes a pair of vertical columns, a crossbeam is connected between the tops of the pair of vertical columns, and a base plate with mounting holes is provided at the bottom; the base plate is fixed to the bottom frame assembly by bolts.

[0011] Furthermore, the movable robotic arm of the automatic nail removal mechanism includes an interconnected lateral servo module and a cable chain mounted on the top crossbeam of the frame. Lateral position sensors are mounted at both ends of the lateral servo module, a Z-shaped connecting plate is mounted at one end of the cable chain, and the pneumatic clamp is mounted at the other end of the Z-shaped connecting plate.

[0012] Furthermore, the pneumatic clamp includes a guide rod cylinder mounted on the other end of the Z-shaped connecting plate, a parallel gripper mounted on the guide rod cylinder for gripping rivets, and a gripper sensor mounted on the rear side of the parallel gripper.

[0013] Furthermore, the automatic riveting mechanism includes a support column mounted on the bottom frame assembly, a telescopic cylinder mounted on the support column, the telescopic cylinder being connected to a slide assembly, the slide assembly being slidably mounted on the side of the support column, an automatic riveting gun mounted on the slide assembly, position sensors mounted on both sides of the automatic riveting gun for detecting whether there are rivets on the automatic riveting gun, and a stroke sensor mounted on the upper end of the slide assembly for detecting whether its vertical stroke has reached the required position.

[0014] Furthermore, a base plate is fixed to the bottom of the supporting column, and the base plate is fixed to the bottom frame assembly by bolts.

[0015] Furthermore, the barcode scanning component includes an L-shaped connecting plate mounted on the top crossbeam of the frame. An industrial barcode reader is mounted on the L-shaped connecting plate, and the lens of the industrial barcode reader is vertically downward and aligned with the center of the station of the automatic riveting mechanism for scanning the barcode information on the workpiece to be processed.

[0016] Furthermore, the nail feeding device includes a vibrating feeding bin and a linear nail feeding track, with the outlet of the vibrating feeding bin connected to the inlet of the linear nail feeding track; the end of the linear nail feeding track is provided with a positioning port, the position of which corresponds to the initial gripping position of the pneumatic clamp of the automatic nail removal mechanism.

[0017] (III) Beneficial Effects

[0018] Compared with the prior art, this utility model provides an automatic nail removal and riveting device for production lines, which has the following advantages:

[0019] 1. Full-process automation and efficiency improvement: By driving the pneumatic clamps with a horizontal servo module, namely the precise movement of the guide rod cylinder and parallel grippers, combined with the automatic feeding of rivets by the vibrating feed hopper and the linear rivet feeding track, and the servo control of the automatic rivet gun, the entire process of rivet gripping, conveying, placing, and riveting is fully automated. Multi-point coordinated feedback from horizontal position sensors, gripper sensors, position sensors, and stroke sensors ensures seamless connection of each action, significantly improving production cycle time, meeting the needs of high-speed production lines, and increasing work efficiency.

[0020] 2. High-precision operation and quality assurance: The vertical stroke of the parallel grippers is controlled by a guide rod cylinder, and the gripper sensor monitors the rivet gripping status in real time to avoid missing rivets or unstable gripping; the automatic riveting mechanism is driven by a telescopic cylinder to drive the slide assembly, and combined with a stroke sensor, it accurately positions the riveting depth to ensure consistent riveting force. An industrial barcode reader provides dual verification of the workpiece's identity and riveting status to prevent duplicate processing or misalignment, significantly improving product yield.

[0021] 3. Intelligent Control and Enhanced Safety: This device achieves full-process status monitoring via network, uploading riveting parameters to the production management system in real time, including rivet placement detection, riveting position determination, and workpiece barcode confirmation, enabling data traceability. The entire process requires no manual intervention, eliminating the risk of human fatigue and saving labor costs. Attached Figure Description

[0022] Figure 1 This is a first-view perspective perspective view of an automatic nail-removing and riveting device for a production line according to the present invention.

[0023] Figure 2 for Figure 1 Second-person stereoscopic view;

[0024] Figure 3 for Figure 1 3D view of the bottom frame components;

[0025] Figure 4 for Figure 1 First-person perspective 3D view of the central frame, automatic nail removal mechanism, and barcode scanning component;

[0026] Figure 5 for Figure 4 Second-person stereoscopic view;

[0027] Figure 6 for Figure 1 A magnified view of a portion at point A;

[0028] Figure 7 for Figure 1 A 3D view of the automatic riveting mechanism;

[0029] Figure 8 for Figure 7 The initial state main view of the automatic riveting mechanism;

[0030] Figure 9 for Figure 7 The main view of the riveting status of the automatic riveting mechanism;

[0031] In the diagram: 1. Bottom frame assembly; 101. Rectangular base; 102. Adjustable height support foot; 103. Mounting plate; 104. Positioning hole; 105. Reinforcing rib; 2. Frame; 201. Vertical column; 202. Crossbeam; 203. Mounting hole; 204. Base plate; 3. Automatic nail removal mechanism; 301. Horizontal servo module; 302. Cable chain; 303. Horizontal position sensor; 304. Z-shaped connecting plate; 305. Guide rod cylinder; 306. 307. Parallel gripper; 4. Gripper sensor; 5. Automatic riveting mechanism; 6. Support column; 7. Telescopic cylinder; 8. Slide assembly; 9. Automatic riveting gun; 10. Position sensor; 11. Stroke sensor; 2. Base plate; 3. Barcode scanning assembly; 401. L-shaped connecting plate; 502. Industrial barcode reader; 6. Rivet feeding device; 7. Vibrating feeder; 8. Linear rivet feeding track; 9. Positioning port; 10. Rivet. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Please see Figure 1-2 An automatic rivet removal and riveting device for a production line includes a bottom frame assembly 1, a frame 2 mounted on the bottom frame assembly 1, an automatic rivet removal mechanism 3 mounted on the top crossbeam of the frame 2, an automatic riveting mechanism 4 mounted on the bottom frame assembly 1 and below the automatic rivet removal mechanism 3, a barcode scanning assembly 5 mounted on the top crossbeam of the frame 2, the barcode scanning assembly 5 being vertically aligned with the automatic riveting mechanism 4 to ensure accurate scanning of workstation information, and a rivet feeding device 6 placed on one side of the bottom frame assembly 1; the automatic rivet removal mechanism 3 includes a movable robotic arm with a pneumatic gripper mounted thereon for gripping rivets 7 from the rivet feeding device 6 and transferring them to the workstation of the automatic riveting mechanism 4, achieving efficient rivet removal and positioning; the automatic riveting mechanism 4 includes a servo-driven automatic riveting gun 404 for performing precise riveting operations on the workpiece, ensuring riveting quality and consistency. The rivet feeding device 6 includes a vibrating feeding bin 601 and a linear rivet feeding track 602. The outlet of the vibrating feeding bin 601 is connected to the inlet of the linear rivet feeding track 602, and the rivets 7 are arranged in an orderly manner by vibration. The end of the linear rivet feeding track 602 is provided with a positioning port 603. The position of the positioning port 603 corresponds to the initial gripping position of the pneumatic clamp of the automatic rivet removal mechanism 3, so that the clamp can accurately grip the rivets.

[0034] Please see Figure 3 The bottom frame assembly 1 includes a rectangular base 101 with adjustable height support feet 102 at its four corners for adjusting the height of the device to adapt to different ground conditions. A mounting plate 103 is fixed on the upper surface of the rectangular base 101. The mounting plate 103 has multiple positioning holes 104 for mounting the frame 2 and the automatic riveting mechanism 4 to ensure a stable connection of the components. The bottom frame assembly 1 also includes a set of reinforcing ribs 105 connected between the rectangular base 101 and the mounting plate 103 to enhance the overall structural rigidity and prevent vibration from affecting the operating accuracy.

[0035] Please see Figure 4-5 The frame 2 includes a pair of vertical columns 201, and a crossbeam 202 is connected between the top of the pair of vertical columns 201 to provide a stable support frame. The bottom of the frame 201 is provided with a base plate 204 with mounting holes 203. The base plate 204 is fixed to the bottom frame assembly 1 by bolts to ensure the verticality and stability of the frame 2.

[0036] Please see Figure 4-5The movable robotic arm of the automatic nail-removing mechanism 3 includes a horizontal servo module 301 and a drag chain 302 connected to each other and mounted on the top crossbeam of the frame 2. Horizontal position sensors 303 are installed at both ends of the horizontal servo module 301 to detect the movement range and ensure precise positioning. A Z-shaped connecting plate 304 is installed at one end of the drag chain 302, and a pneumatic clamp is installed at the other end of the Z-shaped connecting plate 304. The pneumatic clamp includes a guide rod cylinder 305 installed at the other end of the Z-shaped connecting plate 304. A parallel gripper 306 is installed on the guide rod cylinder 305 for gripping the rivet 7. A gripper sensor 307 is installed on the rear side of the parallel gripper 306 to monitor the gripping status and prevent empty gripping or detachment.

[0037] Please see Figure 7-9 The automatic riveting mechanism 4 includes a support column 401 mounted on the bottom frame assembly 1. A base plate 407 is fixed to the bottom of the support column 401 and bolted to the bottom frame assembly 1, providing a stable foundation. A telescopic cylinder 402 is mounted on the support column 401 and connected to a slide assembly 403. The slide assembly 403 is slidably mounted on the side of the support column 401, enabling controllable vertical movement. An automatic rivet gun 404 is mounted on the slide assembly 403. Position sensors 405 are mounted on both sides of the automatic rivet gun 404 to detect whether there are rivets 7 on the automatic rivet gun 404, ensuring that the rivets are in place before operation. A stroke sensor 406 is mounted on the upper end of the slide assembly 403 to detect whether its vertical stroke has reached the limit position, monitoring the movement limit position and avoiding overload.

[0038] Please see Figure 4-5 The barcode scanning component 5 includes an L-shaped connecting plate 501 installed on the top crossbeam of the frame 2. An industrial barcode reader 502 is installed on the L-shaped connecting plate 501. The lens of the industrial barcode reader 502 is vertically downward and aligned with the center of the station of the automatic riveting mechanism 4 to scan the barcode information on the workpiece to be processed, so as to realize workpiece identification and traceability and improve the level of intelligent production.

[0039] In summary, this automatic rivet-removing and riveting device, through the highly efficient integrated automatic rivet-removing mechanism 3, automatic riveting mechanism 4, and barcode scanning component 5, achieves full automation of the precise gripping, positioning, and riveting operation of rivets 7, significantly improving production line efficiency and product quality consistency. The pneumatic clamps of the automatic rivet-removing mechanism 3, combined with the orderly arrangement of the rivet feeding device 6, ensure rapid and accurate gripping of rivets 7, reducing manual intervention. The servo-driven automatic riveting gun 404 of the automatic riveting mechanism 4, combined with the stroke sensor 406 and the position sensor 405, ensures precise control and quality monitoring of the riveting process, avoiding overload or missing rivets. The industrial barcode reader of the barcode scanning component 5 is vertically aligned with the workstation, enabling real-time identification and traceability of workpiece information, enhancing production intelligence and traceability. Furthermore, the adjustable height support feet and reinforcing rib structure of the bottom frame component 1, along with the stable installation of the frame, effectively suppress vibration interference, improve the overall rigidity and operational accuracy of the device, and reduce maintenance costs. The overall design balances efficiency, reliability, and safety, making it suitable for diverse production line environments.

[0040] The working method, or working principle, of this automatic nail-removing and riveting device for the production line includes the following steps:

[0041] S1. Riveting: The rivets are manually fed into the vibrating feed bin 601 of the rivet feeder 5 in batches. The rivets are then fed to the picking position of the parallel gripper 307 in sequence through the linear feeding track 602 by vibration.

[0042] S2. Automatic rivet removal: Start the automatic rivet removal mechanism 3. The horizontal servo module 301 drives the pneumatic clamp, namely the guide rod cylinder 305 and the parallel gripper 306, to move to the material removal position. When the horizontal position sensor 303 detects that the guide rod cylinder 305 and the parallel gripper 306 have moved to the above-mentioned material removal position, the guide rod cylinder 305 drives the parallel gripper 306 to move down to grab the rivet 7.

[0043] S3. Automatic Rivet Feeding: When the gripper sensor 307 installed on the rear side of the parallel gripper 306 detects that the parallel gripper 306 has gripped the rivet 7, the horizontal servo module 301 drives the pneumatic fixture, namely the guide rod cylinder 305 and the parallel gripper 306, to move to the riveting position. When the horizontal position sensor 303 at the other end detects that the guide rod cylinder 305 and the parallel gripper 306 are in position, the guide rod cylinder 305 drives the parallel gripper 306 to put the rivet 7 into the gun head of the automatic riveting mechanism 4. The position sensors 405 on both sides detect that the rivet 7 is in position, and the rivet feeding is completed.

[0044] S4. Automatic Riveting: A robotic arm on one side of the production line grabs the housing workpiece and sends it to the riveting station. The industrial barcode reader 502 of the barcode scanning component 5 is activated to scan the workpiece to confirm whether it has been riveted. After confirming that it has not been riveted, the telescopic cylinder 402 drives the slide assembly 403 and the automatic riveting gun 404 to move upward to the riveting state. When the stroke sensor 406 detects that the slide assembly 403 and the automatic riveting gun 404 have reached the riveting position, the automatic riveting gun 404 moves to rivet the hole in the housing workpiece and records and uploads the riveting parameters. After the riveting is completed, the telescopic cylinder 402 drives the slide assembly 403 and the automatic riveting gun 404 to descend to the lower stop point. When the stroke sensor 406 detects that the lower stop point has been reached, the industrial barcode reader 502 scans and records the housing workpiece, and the production line robotic arm grabs the housing workpiece and leaves, completing the riveting process.

[0045] S5. Cyclic operation: Repeat S1 to S4 to repeat the automatic nail removal and riveting operation.

[0046] In summary, this working method significantly improves the continuity and stability of the production line by integrating automated rivet picking, feeding, and riveting functions. Specifically, the coordinated operation of the vibrating feeder 601 and the parallel gripper 306 ensures accurate rivet gripping and delivery, reducing the frequency of manual replenishment; the closed-loop control of the transverse servo module 301 and the guide rod cylinder 305 enables rapid positioning, shortening process time; the dual detection mechanism of the gripper sensor 307 and the stroke sensor 406 effectively avoids the risk of missing rivets or misoperation, ensuring the consistency and reliability of the riveting process. Furthermore, the barcode scanner 502's scanning and recording function enables real-time traceability and data management of product quality, and combined with the parameter upload of the automatic riveting gun 404, provides data support for process optimization. The entire cyclical operation mode not only reduces labor intensity but also significantly increases productivity per unit time, while being compatible with the collaborative operation of production line robots, enhancing the system's adaptability and scalability, ultimately achieving the goal of efficient, low-consumption, and high-precision automated production.

[0047] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0048] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic nail-removing and riveting device for a production line, comprising a bottom frame assembly (1), wherein a frame (2) is mounted on the bottom frame assembly (1), characterized in that: An automatic nail-removing mechanism (3) is installed on the top crossbeam of the frame (2), an automatic riveting mechanism (4) is installed on the bottom frame assembly (1) and below the automatic nail-removing mechanism (3), a barcode scanning assembly (5) is installed on the top crossbeam of the frame (2), the barcode scanning assembly (5) is vertically aligned with the automatic riveting mechanism (4), and a nail feeding device (6) is placed on one side of the bottom frame assembly (1). The automatic rivet removal mechanism (3) includes a movable robotic arm with a pneumatic clamp mounted thereon for grabbing rivets from the rivet feeding device (6) and transferring them to the station of the automatic riveting mechanism (4); the automatic riveting mechanism (4) includes a servo-driven automatic riveting gun (404) for performing precise riveting operations on the workpiece.

2. The automatic nail taking and pull-riveting device for a production line according to claim 1, characterized by: The bottom frame assembly (1) includes a rectangular base (101) with adjustable height support feet (102) at its four corners. A mounting plate (103) is fixed on the upper surface of the rectangular base (101). The mounting plate (103) has multiple positioning holes (104) for mounting the frame (2) and the automatic riveting mechanism (4). The bottom frame assembly (1) also includes a set of reinforcing ribs (105) connected between the rectangular base (101) and the mounting plate (103) to enhance the overall structural rigidity.

3. The automatic nail taking and pull-riveting device for a production line according to claim 1, characterized by: The frame (2) includes a pair of vertical columns (201), and a crossbeam (202) is connected between the tops of the pair of vertical columns (201). The bottom of the crossbeam (204) has a base plate (204) with mounting holes (203). The base plate (204) is fixed to the bottom frame assembly (1) by bolts.

4. The automatic nail taking and pull-riveting device for a production line according to claim 1, characterized by: The movable robotic arm of the automatic nail removal mechanism (3) includes a horizontal servo module (301) and a cable chain (302) connected to each other and mounted on the top crossbeam of the frame (2). Horizontal position sensors (303) are mounted at both ends of the horizontal servo module (301), a Z-shaped connecting plate (304) is mounted at one end of the cable chain (302), and the pneumatic clamp is mounted at the other end of the Z-shaped connecting plate (304).

5. An automatic nail taking and pull-riveting device for a production line according to claim 4, characterized in that: The pneumatic clamp includes a guide rod cylinder (305) mounted on the other end of the Z-shaped connecting plate (304). A parallel gripper (306) is mounted on the guide rod cylinder (305) for gripping rivets (7). A gripper sensor (307) is mounted on the rear side of the parallel gripper (306).

6. An automatic nail-removing and riveting device for a production line according to claim 1, characterized in that: The automatic riveting mechanism (4) includes a support column (401) installed on the bottom frame assembly (1), a telescopic cylinder (402) installed on the support column (401), the telescopic cylinder (402) being connected to a slide assembly (403), the slide assembly (403) being slidably installed on the side of the support column (401), an automatic riveting gun (404) installed on the slide assembly (403), position sensors (405) installed on both sides of the automatic riveting gun (404) for detecting whether there are rivets (7) on the automatic riveting gun (404), and a stroke sensor (406) installed at the upper end of the slide assembly (403) for detecting whether its up and down strokes are in place.

7. An automatic nail-removing and riveting device for a production line according to claim 6, characterized in that: The bottom of the support column (401) is fixed with a base plate (407), which is fixed to the bottom frame assembly (1) by bolts.

8. The automatic nail taking and pull-riveting device for a production line according to claim 1, characterized by: The barcode scanning component (5) includes an L-shaped connecting plate (501) installed on the top crossbeam of the frame (2). An industrial barcode reader (502) is installed on the L-shaped connecting plate (501). The lens of the industrial barcode reader (502) is vertically downward aligned with the center of the station of the automatic riveting mechanism (4) for scanning the barcode information on the workpiece to be processed.

9. The automatic nail taking and pull-riveting device for a production line according to claim 1, characterized by: The nail feeding device (6) includes a vibrating feeding bin (601) and a linear nail feeding track (602). The outlet of the vibrating feeding bin (601) is connected to the inlet of the linear nail feeding track (602). The end of the linear nail feeding track (602) is provided with a positioning port (603). The position of the positioning port (603) corresponds to the initial gripping position of the pneumatic clamp of the automatic nail removal mechanism (3).

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