Contact screw automated apparatus

By designing an automated contact screw device, the problem of cumbersome screw installation for BDU components was solved, realizing automated screw installation and positioning, and improving production efficiency and accuracy.

CN224322673UActive Publication Date: 2026-06-05UPTON AUTOMATION SYST KUNSHAN CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
UPTON AUTOMATION SYST KUNSHAN CO LTD
Filing Date
2025-06-04
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

The screw installation process during BDU component processing is cumbersome, time-consuming, and affects production efficiency.

Method used

An automated contact screw device was designed, comprising a work box, a support platform, a double-speed chain conveyor platform, a screw tightening station, a three-axis displacement unit, and a pneumatic tightening gun, to achieve automated screw installation and positioning.

Benefits of technology

It improves the efficiency and accuracy of screw installation, reduces manual operation time, and increases production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224322673U_ABST
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Abstract

The utility model relates to screw installation technical field, and disclose a kind of contact screw automation equipment, comprising: working tank, the inner portion of the working tank is separately provided with support platform, nailer and the multiple-speed chain conveying support platform for moving workpiece tray, at least one tray buffer station and at least one tray jacking assembly are provided on the multiple-speed chain conveying support platform, tray jacking assembly is below tray buffer station, at least one screw tightening station is provided on the support platform, and screw conveying assembly is provided on the support platform.This contact screw automation equipment, by setting nailer, screw conveying assembly, three-axis displacement unit and pneumatic tightening gun, workpiece is moved to screw installation area by multiple-speed chain conveying support platform, nail is blown by nailer again and is moved to take nail area by screw conveying assembly, three-axis displacement unit drives pneumatic tightening gun to take nail, then drives pneumatic tightening gun to move to installation area and installs, and operation process is convenient.
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Description

Technical Field

[0001] This utility model relates to the field of screw installation technology, specifically to an automated device for contact screws. Background Technology

[0002] BDU stands for Battery Disconnection Unit, a common device in automotive electrical systems. BDU also refers to Battery Energy Distribution Unit, an important component in the high-voltage circuit of electric vehicles. The main function of BDU is to disconnect or connect the battery under specific circumstances, such as during vehicle repair, parts replacement, or other operations that may damage the electrical system, thereby effectively protecting the electronic equipment inside the vehicle and preventing damage caused by electric shock.

[0003] BDU components require screw installation during processing, which takes a long time and is quite cumbersome for operators to tighten. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an automated contact screw device, which solves the problems mentioned in the background.

[0005] This utility model provides the following technical solution: an automated contact screw device, comprising: a work box, wherein the work box is provided with a support platform, a screw feeder and a double-speed chain conveyor platform for moving workpiece trays, the double-speed chain conveyor platform is provided with at least one tray buffer platform and at least one tray lifting component, the tray lifting component is located below the tray buffer platform, the support platform is provided with at least one screw tightening station, and the support platform is provided with a screw conveying component;

[0006] The screw tightening station includes a three-axis displacement unit and a pneumatic tightening gun. The three-axis displacement unit is mounted on a support platform, and the pneumatic tightening gun is mounted on the three-axis displacement unit.

[0007] Preferably, the screw conveying assembly includes a mounting frame, on which a screw receiving box is provided. A first sensor is provided on the top of the screw receiving box, a pushing cylinder is installed at one end of the screw receiving box, and an anti-rotation cylinder and a second sensor are provided at the other end of the screw receiving box.

[0008] Preferably, waste nail bins are provided on both sides of the nail receiving box, and both waste nail bins are mounted on the mounting frame. A limit plate is provided on the waste nail bin, and a waste nail detection diffuse reflection photoelectric sensor is provided on the limit plate.

[0009] Preferably, the three-axis displacement unit includes a fixed frame, which is mounted on a support platform. A Y-axis linear motor is mounted on the top of the fixed frame. A connecting frame is mounted on the moving block of the Y-axis linear motor. An X-axis linear motor is mounted on the connecting frame. A moving frame is provided on the moving block of the X-axis linear motor. A Z-axis linear motor is mounted on the moving frame. A drive frame is mounted on the moving block of the Z-axis linear motor. The pneumatic tightening gun is mounted on the drive frame.

[0010] Preferably, the work box is equipped with a partition, on which an X-axis motor controller, a Y-axis motor controller and a Z-axis motor controller are respectively installed. The X-axis linear motor is electrically connected to the X-axis motor controller, the Y-axis linear motor is electrically connected to the Y-axis electric cylinder servo, and the Z-axis linear motor is electrically connected to the Z-axis motor controller.

[0011] The drive frame is equipped with a detection camera, a vacuum generator control valve, a displacement sensor, and a sensor amplifier. The vacuum generator control valve is connected to a pneumatic tightening gun, and the displacement sensor is electrically connected to the sensor amplifier.

[0012] Preferably, a workpiece-in-place photoelectric transmitter is provided on one side of the double-speed chain conveyor platform, a workpiece-in-place photoelectric receiver is provided on the other side of the double-speed chain conveyor platform, and a pallet-in-place proximity switch and a pallet information reader / writer are provided on the double-speed chain conveyor platform.

[0013] Preferably, the inner wall of the work box is provided with a clamping assembly;

[0014] The clamping assembly includes a bracket, a guide rail mounted on the surface of the bracket, a guide block mounted on the surface of the guide rail, a connecting plate connected to the surface of the guide block, a pressure member connected to the surface of the connecting plate, a clamping cylinder mounted on the bracket, and the pressure member mounted on the telescopic end of the clamping cylinder.

[0015] Preferably, the pallet lifting assembly includes a connecting frame, which is installed at the bottom of the double-speed chain conveyor platform. A pallet lifting cylinder is installed on the connecting frame, and a lifting plate is installed at the telescopic end of the pallet lifting cylinder.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. This automated contact screw equipment, by setting up a screw feeder, a screw conveying assembly, a three-axis displacement unit, and a pneumatic tightening gun, moves the workpiece to the screw installation area via a double-speed chain conveyor platform. The screw feeder blows the screw and then moves it to the screw removal area via the screw conveying assembly. The three-axis displacement unit drives the pneumatic tightening gun to remove the screw and then moves the pneumatic tightening gun to the installation area for installation. The operation process is convenient.

[0018] 2. This contact screw automated equipment, by setting up a clamping component, clamps and positions the workpiece when it moves to the installation area, thus preventing the workpiece from shifting position during the nailing process. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0021] Figure 3 This is a top view schematic diagram of the three-axis displacement unit of this utility model;

[0022] Figure 4 This is a side view of the three-axis displacement unit of this utility model.

[0023] Figure 5 This is a schematic diagram of the pressing component structure of this utility model;

[0024] Figure 6 This is a schematic diagram of the screw delivery assembly of this utility model;

[0025] Figure 7 This is a schematic diagram of the double-speed chain conveyor support structure of this utility model.

[0026] In the diagram: 1. Work box; 2. Support platform; 3. Nail feeder; 4. Double-speed chain conveyor platform; 5. Pallet buffer platform; 6. Pallet lifting assembly; 61. Connecting frame; 62. Pallet lifting cylinder; 63. Lifting plate; 7. Screw conveying assembly; 71. Mounting frame; 72. First sensor; 73. Pushing cylinder; 74. Anti-rotation cylinder; 75. Second sensor; 76. Waste nail detection diffuse reflection photoelectric sensor; 77. Nail receiving box; 8. Three-axis displacement unit; 81. Fixed frame; 82. Y-axis linear motor; 83. Connecting frame; 84. X-axis linear motor; 85. Moving frame; 86. Z-axis linear motor; 87. Drive. 9. Pneumatic tightening gun; 10. Waste nail bucket; 11. Limiting plate; 12. Partition plate; 13. X-axis motor controller; 14. Y-axis motor controller; 15. Z-axis motor controller; 16. Detection camera; 17. Vacuum generator control valve; 18. Displacement sensor; 19. Sensor amplifier; 20. Workpiece in-situ photoelectric transmitter; 21. Workpiece in-situ photoelectric receiver; 22. Pallet in-situ proximity switch; 23. Pallet information reader / writer; 24. Clamping assembly; 241. Bracket; 242. Guide rail; 243. Guide block; 244. Connecting plate; 245. Pressing component; 246. Clamping cylinder. Detailed Implementation

[0027] 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.

[0028] Please see Figure 1-7 An automated contact screw device includes: a work box 1, inside which a support platform 2, a screw feeder 3, and a double-speed chain conveyor platform 4 for moving workpiece pallets are respectively arranged. The double-speed chain conveyor platform 4 is provided with at least one pallet buffer platform 5 and at least one pallet lifting component 6, the pallet lifting component 6 being located below the pallet buffer platform 5. The support platform 2 is provided with at least one screw tightening station, and the support platform 2 is provided with a screw conveying component 7.

[0029] The screw tightening station includes a three-axis displacement unit 8 and a pneumatic tightening gun 9. The three-axis displacement unit 8 is mounted on the support platform 2, and the pneumatic tightening gun 9 is mounted on the three-axis displacement unit 8.

[0030] The screw conveying assembly 7 includes a mounting frame 71, on which a screw receiving box 77 is provided. A first sensor 72 is provided on the top of the screw receiving box 77. A pusher cylinder 73 is installed at one end of the screw receiving box 77, and an anti-rotation cylinder 74 and a second sensor 75 are provided at the other end of the screw receiving box 77.

[0031] Both sides of the nail receiving box 77 are provided with waste nail bins 10, and both waste nail bins 10 are mounted on the mounting bracket 71. The waste nail bins 10 are provided with limit plates 11, and the limit plates 11 are provided with waste nail detection diffuse reflection photoelectric sensors 76.

[0032] The three-axis displacement unit 8 includes a fixed frame 81, which is mounted on a support platform 2. A Y-axis linear motor 82 is mounted on the top of the fixed frame 81. A connecting frame 83 is mounted on the moving block of the Y-axis linear motor 82. An X-axis linear motor 84 is mounted on the connecting frame 83. A moving frame 85 is provided on the moving block of the X-axis linear motor 84. A Z-axis linear motor 86 is mounted on the moving frame 85. A drive frame 87 is mounted on the moving block of the Z-axis linear motor 86. A pneumatic tightening gun 9 is mounted on the drive frame 87.

[0033] The work box 1 is equipped with a partition 12, on which the X-axis motor controller 13, Y-axis motor controller 14 and Z-axis motor controller 15 are respectively installed. The X-axis linear motor 84 is electrically connected to the X-axis motor controller 13, the Y-axis linear motor 82 is electrically connected to the Y-axis electric cylinder servo, and the Z-axis linear motor 86 is electrically connected to the Z-axis motor controller 15.

[0034] The drive frame 87 is equipped with a detection camera 16, a vacuum generator control valve 17, a displacement sensor 18, and a sensor amplifier 19. The vacuum generator control valve 17 is connected to the pneumatic tightening gun 9, and the displacement sensor 18 is electrically connected to the sensor amplifier 19.

[0035] A workpiece-in-place photoelectric transmitter 20 is provided on one side of the double-speed chain conveyor platform 4, and a workpiece-in-place photoelectric receiver 21 is provided on the other side of the double-speed chain conveyor platform 4. A pallet-in-place proximity switch 22 and a pallet information reader / writer 23 are provided on the double-speed chain conveyor platform 4.

[0036] The inner wall of the working box 1 is provided with a clamping assembly 24. The clamping assembly 24 includes a bracket 241. A guide rail 242 is mounted on the surface of the bracket 241. A guide block 243 is mounted on the surface of the guide rail 242. A connecting plate 244 is connected to the surface of the guide block 243. A pressing component 245 is connected to the surface of the connecting plate 244. A clamping cylinder 246 is mounted on the bracket 241. The pressing component 245 is mounted on the telescopic end of the clamping cylinder 246.

[0037] The pallet lifting assembly 6 includes a connecting frame 61, which is installed at the bottom of the double-speed chain conveyor platform 4. A pallet lifting cylinder 62 is installed on the connecting frame 61, and a lifting plate 63 is installed on the telescopic end of the pallet lifting cylinder 62.

[0038] The pallet proximity switch 22 detects that the workpiece pallet is in place. The workpiece in place photoelectric transmitter 20 and the workpiece in place photoelectric receiver 21 detect that the workpiece is in place. The pallet information reader 23 reads the workpiece pallet information. The nail feeder 3 blows the nail. The first sensor 72 detects the screw falling. The pusher cylinder 73 pushes the screw into place. The second sensor 75 detects that the screw is in place. The anti-rotation cylinder 74 positions the screw. The three-axis displacement unit 8 is driven to move from the safe displacement position to the nail box photo position. The detection camera 16 takes a picture and judges the number at the tail of the screw to determine whether the screw is correct. If the screw is correct, the Z-axis linear motor 86 moves the drive frame 87 down. The vacuum generator control valve 17 opens. The pneumatic tightening gun 9 picks up the screw and moves it to the workpiece to nail it. If the screw is incorrect, the three-axis displacement unit 8 moves and throws the screw into the waste nail bin 10. The waste nail detection diffuse reflection photoelectric sensor 76 detects whether the screw is thrown into the waste nail bin 10.

[0039] 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 automated contact screw device, characterized in that, include: The work box (1) is equipped with a support platform (2), a nail feeder (3) and a double-speed chain conveyor platform (4) for moving workpiece pallets. The double-speed chain conveyor platform (4) is equipped with at least one pallet buffer platform (5) and at least one pallet lifting assembly (6). The pallet lifting assembly (6) is located below the pallet buffer platform (5). The support platform (2) is equipped with at least one screw tightening station and a screw conveying assembly (7). The screw tightening station includes a three-axis displacement unit (8) and a pneumatic tightening gun (9). The three-axis displacement unit (8) is mounted on the support platform (2), and the pneumatic tightening gun (9) is mounted on the three-axis displacement unit (8).

2. The automated contact screw device according to claim 1, characterized in that, The screw conveying assembly (7) includes a mounting frame (71), on which a screw receiving box (77) is provided. A first sensor (72) is provided on the top of the screw receiving box (77). A pusher cylinder (73) is installed at one end of the screw receiving box (77), and an anti-rotation cylinder (74) and a second sensor (75) are provided at the other end of the screw receiving box (77).

3. The automated contact screw device according to claim 2, characterized in that, Both sides of the nail receiving box (77) are provided with waste nail bins (10), and both waste nail bins (10) are installed on the mounting frame (71). The waste nail bins (10) are provided with limit plates (11), and the limit plates (11) are provided with waste nail detection diffuse reflection photoelectric sensors (76).

4. The automated contact screw device according to claim 1, characterized in that, The three-axis displacement unit (8) includes a fixed frame (81), which is mounted on a support platform (2). A Y-axis linear motor (82) is mounted on the top of the fixed frame (81). A connecting frame (83) is mounted on the moving block of the Y-axis linear motor (82). An X-axis linear motor (84) is mounted on the connecting frame (83). A moving frame (85) is provided on the moving block of the X-axis linear motor (84). A Z-axis linear motor (86) is mounted on the moving frame (85). A drive frame (87) is mounted on the moving block of the Z-axis linear motor (86). The pneumatic tightening gun (9) is mounted on the drive frame (87).

5. The automated contact screw device according to claim 4, characterized in that, The work box (1) is equipped with a partition (12), on which the X-axis motor controller (13), Y-axis motor controller (14) and Z-axis motor controller (15) are respectively installed. The X-axis linear motor (84) is electrically connected to the X-axis motor controller (13), the Y-axis linear motor (82) is electrically connected to the Y-axis electric cylinder servo, and the Z-axis linear motor (86) is electrically connected to the Z-axis motor controller (15). The drive frame (87) is equipped with a detection camera (16), a vacuum generator control valve (17), a displacement sensor (18), and a sensor amplifier (19). The vacuum generator control valve (17) is connected to the pneumatic tightening gun (9), and the displacement sensor (18) is electrically connected to the sensor amplifier (19).

6. The automated contact screw device according to claim 1, characterized in that, One side of the double-speed chain conveyor platform (4) is provided with a workpiece in-situ photoelectric transmitter (20), and the other side of the double-speed chain conveyor platform (4) is provided with a workpiece in-situ photoelectric receiver (21). The double-speed chain conveyor platform (4) is provided with a tray in-situ proximity switch (22) and a tray information reader (23).

7. The automated contact screw device according to claim 1, characterized in that, The inner wall of the work box (1) is provided with a clamping assembly (24). The clamping assembly (24) includes a bracket (241), a guide rail (242) is mounted on the surface of the bracket (241), a guide block (243) is mounted on the surface of the guide rail (242), a connecting plate (244) is connected to the surface of the guide block (243), a pressure member (245) is connected to the surface of the connecting plate (244), a clamping cylinder (246) is mounted on the bracket (241), and the pressure member (245) is mounted on the telescopic end of the clamping cylinder (246).

8. The automated contact screw device according to claim 1, characterized in that, The pallet lifting assembly (6) includes a connecting frame (61), which is installed at the bottom of the double-speed chain conveyor platform (4). A pallet lifting cylinder (62) is installed on the connecting frame (61), and a lifting plate (63) is installed on the telescopic end of the pallet lifting cylinder (62).