Automatic early-warning nut assembling machine

Abstract

The utility model relates to the technical field of early-warning nut assembling, and discloses an automatic early-warning nut assembling machine which comprises a machine frame, a conveying device is arranged on the top of the machine frame, and the conveying device is used for feeding an early-warning nut shell, feeding a core, feeding an inner seal, feeding an inner ring and feeding a sealing ring. According to the early-warning nut automatic assembling machine, modular design and an automatic conveying system are adopted, accurate feeding and assembling of materials are achieved through a vibration disc, a conveying guide rail, a material pushing air cylinder and a grabbing mechanical arm, manual intervention and operation errors are reduced, the labor intensity of workers is lowered, and the working efficiency is improved. The labor cost is obviously reduced; through the CCD detection device, the defective product blowing and discharging mechanism and the multi-station detection device (such as sealing ring existence detection, product integrity detection and the like), defective products are rejected in real time, resource waste of subsequent procedures is avoided, the material utilization rate is increased, and the production cost is further reduced.

Description

Technical Field

[0001] This utility model relates to the field of early warning nut assembly technology, specifically an automatic early warning nut assembly machine. Background Technology

[0002] As a critical safety component, warning nuts are widely used in rail transportation, aerospace, and other fields. Their assembly quality directly affects the loosening warning function of structural components. Traditional manual assembly suffers from low efficiency (average output per person < 50 pieces / hour) and poor consistency (yield rate of about 85%), which cannot meet the demands of modern industry for high-precision, mass production. Utility Model Content

[0003] The purpose of this invention is to provide an automatic assembly machine for early warning nuts to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an automatic assembly machine for warning nuts, comprising a frame, a conveying device on the top of the frame, the conveying device being used for feeding warning nut shells, cores, inner seals, inner rings, and sealing rings; a drive turntable device is provided on the frame, the turntable device consisting of a servo motor and a rotating disk; the turntable device is provided in two sets, one set having a core guiding and detection device, a semi-finished product conveying device, and a warning nut shell assembly and pressing device on the top of the turntable, and the other set having a semi-finished product and sealing ring secondary pressing and assembly device, a product output device, a product presence / absence detection device, and a sealing ring presence / absence detection device on the top of the turntable.

[0005] Preferably, the servo motor is located on the top of the frame, and the output shaft of the servo motor is connected to the rotating disk. The rotating disk is driven to rotate by the servo motor to realize the movement of materials.

[0006] Preferably, a transfer conveyor is provided between the two sets of rotating discs, through which the material on the top of one set of rotating discs is sent to the top of the other set of rotating discs.

[0007] Preferably, the conveying device includes a material tray connected to a conveying guide rail, the conveying guide rail being fixed to the top of the frame, a fixed frame being fixed to the top of the frame, a pushing cylinder being provided on the top of the fixed frame, and a gripping robot being provided on the fixed frame. The material is placed in the material tray, conveyed to the fixed frame by the conveying guide rail, and then sent to the position of the gripping robot by the pushing cylinder. The gripping robot then places the material on the top of the rotating disk for assembly.

[0008] Preferably, the core alignment and detection device uses a CCD to detect faulty air blowers.

[0009] Preferably, the rotating disk is provided with a plurality of fixing blocks for fixing product parts.

[0010] Compared with the prior art, this utility model provides an automatic assembly machine for early warning nuts, which has the following advantages:

[0011] 1. This automatic nut assembly machine adopts a modular design and an automated conveying system. It achieves precise material feeding and assembly through a vibratory feeder, conveying guide rail, pushing cylinder, and gripping robot, reducing manual intervention and operational errors, and significantly reducing labor costs. Through CCD detection device, defective product blowing and discharge mechanism, and multi-station detection devices (such as sealing ring detection, product integrity detection, etc.), defective products are rejected in real time, avoiding resource waste in subsequent processes, improving material utilization, and further reducing production costs.

[0012] 2. This automatic assembly machine for warning nuts adopts a double turntable design with a transfer and conveying device to realize multi-station parallel operation. It can simultaneously complete processes such as core alignment, pressing, and sealing ring assembly, which greatly shortens the assembly cycle of a single product and improves the overall production efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall front view of the present invention;

[0014] Figure 2 This is a top view of the structure of this utility model;

[0015] Figure 3 This is a schematic diagram showing the connection structure of the turntable device, core alignment and detection device, and semi-finished product conveying device of this utility model;

[0016] Figure 4 This is a schematic diagram of the conveying device structure of this utility model;

[0017] Figure 5 This is a schematic diagram of the rotating disk and the product presence / absence detection device of this utility model;

[0018] Figure 6 This is a schematic diagram of the structure of the rotating disk, semi-finished product, and sealing ring secondary pressing assembly device of this utility model.

[0019] In the diagram: 1. Frame; 2. Turntable device; 21. Servo motor; 22. Rotary disk; 3. Conveying device; 31. Material tray; 32. Conveying guide rail; 33. Fixing frame; 34. Pushing cylinder; 35. Gripping robot; 4. Core alignment and detection device; 5. Semi-finished product conveying device; 6. Early warning nut housing assembly and clamping device; 7. Semi-finished product and sealing ring secondary clamping assembly device; 8. Product output device; 9. Product presence / absence detection device; 10. Sealing ring presence / absence detection device; 11. Transfer conveying device. Detailed Implementation

[0020] like Figures 1-6 As shown, this utility model provides a technical solution: an automatic assembly machine for warning nuts, including a frame 1. A conveying device 3 is provided on the top of the frame 1. The conveying device 3 is used for feeding warning nut shells, cores, inner seals, inner rings, and sealing rings. A drive turntable device 2 is provided on the frame 1. The turntable device 2 consists of a servo motor 21 and a rotating disk 22. The turntable device 2 is provided in two sets. One set of rotating disks 22 is provided with a core guiding and detection device 4, a semi-finished product conveying device 5, and a warning nut shell assembly and pressing device 6 on its top. The other set of rotating disks 22 is provided with a semi-finished product and sealing ring secondary pressing and assembly device 7, a product output device 8, a product presence / absence detection device 9, and a sealing ring presence / absence detection device 10 on its top.

[0021] The servo motor 21 is located on the top of the frame 1. The output shaft of the servo motor 21 is connected to the rotating disk 22. The rotating disk 22 is driven to rotate by the servo motor 21 to realize the movement of materials.

[0022] A transfer conveyor 11 is provided between the two sets of rotating disks 22. The transfer conveyor 11 is used to send the material on the top of one set of rotating disks 22 to the top of the other set of rotating disks 22.

[0023] The conveying device 3 includes a material tray 31, which is connected to a conveying guide rail 32. The conveying guide rail 32 is fixed to the top of the frame 1. A fixed frame 33 is fixed to the top of the frame 1. A pushing cylinder 34 is installed on the top of the fixed frame 33. A gripping robot 35 is installed on the fixed frame 33. The material is placed in the material tray 31 and conveyed to the fixed frame 33 by the conveying guide rail 32. The material is then pushed to the position of the gripping robot 35 by the pushing cylinder 34. The gripping robot 35 is placed on the top of the rotating disk 22 for assembly. The material tray 31 is a vibratory feeder.

[0024] The core alignment and detection device 4 uses a CCD to detect defective air blowers. The rotating disk 22 is equipped with several fixing blocks for fixing product parts.

[0025] In this utility model, during use, the inner ring is conveyed to the conveying guide rail 32 via the material tray 31, and the material is pushed by the pushing cylinder 34 and placed on the fixed block of the first rotating disk 22 by the gripping robot 35.

[0026] The inner seal is conveyed to the fixed frame 33 via the same path, and the pusher cylinder 34 presses it into the inner ring. The core is fed by blowing air, and the core guide and detection device 4 performs positioning and correction, and the installation status is detected by CCD.

[0027] The warning nut housing is conveyed and then gripped onto the semi-finished product by the robotic arm 35. The warning nut housing assembly and clamping device 6 clamps it with a cylinder and checks the clamping status.

[0028] Qualified semi-finished products are transferred from the transfer conveyor 11 to the second set of rotating discs 22, while defective products are discharged through the semi-finished product conveyor 5.

[0029] The sealing ring is detected by the sealing ring presence detection device 10 via the conveying device 3 and then placed onto the semi-finished product by the gripping robot 35. The semi-finished product and the sealing ring are then pressed together by the secondary pressing assembly device 7 to complete the final pressing.

[0030] After the product is inspected for integrity by the detection device 9, it is sorted into good and bad products by the product output device 8.

[0031] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A pre-warning nut automatic assembling machine, comprising a rack (1), characterized in that: The top of the frame (1) is provided with a conveying device (3) for early warning nut shell feeding, core feeding, inner sealing feeding, inner ring feeding and sealing ring feeding, and the frame (1) is provided with a driving turntable device (2), which is composed of a servo motor (21) and a rotating disc (22), and the turntable device (2) is provided with two groups, one group of the rotating disc (22) is provided at the top with a core alignment and detection device (4), a semi-finished product conveying device (5) and a pre-warning nut shell assembly pressing device (6), and the other group of the rotating disc (22) is provided at the top with a semi-finished product and sealing ring secondary pressing assembly device (7), a product output device (8), a product presence detection device (9) and a sealing ring presence detection device (10).

2. The early warning nut automatic assembling machine according to claim 1, characterized in that: The servo motor (21) is arranged on the top of the frame (1), and the output shaft of the servo motor (21) is connected with the rotating disc (22).

3. The early warning nut automatic assembling machine according to claim 1, characterized in that: The two groups of rotating discs (22) are provided with a transfer conveying device (11) therebetween.

4. The early warning nut automatic assembling machine according to claim 1, characterized in that: The conveying device (3) comprises a tray (31) connected with a conveying guide rail (32), the conveying guide rail (32) is fixed on the top of the frame (1), the top of the frame (1) is fixed with a fixing frame (33), the top of the fixing frame (33) is provided with a pushing air cylinder (34), and the fixing frame (33) is provided with a grabbing manipulator (35).

5. The early warning nut automatic assembling machine according to claim 1, characterized in that: The core alignment and detection device (4) blows away the defective products through CCD detection.

6. The early warning nut automatic assembling machine according to claim 1, characterized in that: The rotating disc (22) is provided with a plurality of fixing blocks for fixing product parts.

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