Slotted nut and anti-loose lock plate slotted hole position automatic alignment device

Abstract

The utility model discloses a slotted nut and anti-loose lock plate slotted hole position automatic alignment device, which relates to the technical field of mechanical assembly auxiliary equipment, and comprises a rack, a mounting seat fixing tool mounted on the horizontal end face of the rack, a vertical sliding module mounted on the vertical end face of the mounting seat fixing tool, and a vertical sliding module mounted on the vertical end face of the mounting seat fixing tool. A supporting plate is installed on the vertical sliding module, the tightening tail end module comprises a correlation sensor, a tightening indexing seat and a tightening sleeve head, the tightening indexing seat is rotationally installed at the lower end of the supporting plate, a driving motor is installed at the upper end of the supporting plate, the correlation sensor is installed on the side face of the tightening indexing seat, and the tightening sleeve head is installed at the lower end of the tightening indexing seat. According to the utility model, through the matching design of the tightening indexing seat and the correlation sensor, the function of alignment can be realized, so that the capability and the precision of automatic alignment of a locking plate hole position and a nut slot position when the slotted nut is automatically tightened are improved, and the danger and the instability of manual operation are reduced.

Description

Technical Field

[0001] This utility model relates to the field of mechanical assembly auxiliary equipment technology, and in particular to an automatic alignment device for slotted nuts and anti-loosening locking plate slots. Background Technology

[0002] The accessory housing of an aircraft engine contains multiple gear shaft assemblies, which are secured at both ends with slotted nuts. Locking plates are often used to lock the slotted nuts in place. The locking plates are placed in the slots of the slotted nuts and the corresponding slots of the nut mounting base, with the nut slot width leaving a clearance of no more than 0.25mm on each side for the locking plates.

[0003] Currently, the tightening and assembly of slotted nuts with locking plates is still mainly done manually. During the tightening process, the alignment of the nut slot and the mounting seat slot is observed visually. The worker needs to operate the tightening tool to slowly turn the slotted nut in the same direction, constantly observing the position of the nut teeth. When a tooth aligns with the slot of the mounting seat, the tightening must be stopped immediately. This generally requires the worker's experience to ensure and complete.

[0004] Some methods use vision cameras to monitor the position of slotted holes for alignment, but these methods are often limited by the accuracy of the vision cameras and are affected by factors such as environment, lighting, and product spatial positioning, often failing to meet application requirements and lacking versatility. Therefore, an automatic alignment device for the slotted nut and anti-loosening locking plate slot position is proposed to improve the above problems. Utility Model Content

[0005] The purpose of this application is to provide an automatic alignment device for slotted nuts and anti-loosening locking plate slots to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this application provides the following technical solution: an automatic alignment device for slotted nuts and anti-loosening locking plate slots, comprising a frame, and further comprising:

[0007] The mounting bracket fixing fixture is installed on the horizontal end face of the frame and is compatible with the bearing mounting bracket.

[0008] A vertical sliding module is mounted on the vertical end face of the mounting base fixing fixture, and a support plate is mounted on the vertical sliding module.

[0009] Tighten the end module. The end module is installed at the lower end of the support plate and is located on the upper side of the mounting base fixing fixture.

[0010] The tightening end module includes a through-beam sensor, a tightening indexing seat, and a tightening sleeve head. The tightening indexing seat is rotatably mounted on the lower end of the support plate. A drive motor for rotating the tightening indexing seat is mounted on the upper end of the support plate. The through-beam sensor is mounted on the side of the tightening indexing seat, and the tightening sleeve head is mounted on the lower end of the tightening indexing seat.

[0011] As a further supplement to this solution, the tightening socket head can be detachably installed at the lower end of the tightening indexing seat.

[0012] As a further supplement to this solution, the tightening sleeve head is snapped into the lower end of the tightening indexing seat and fixed relative to the tightening indexing seat by the indexing pin.

[0013] As a further supplement to this solution, the lower end of the tightening sleeve head is integrally provided with teeth that are compatible with the grooves of the slotted nut.

[0014] As a further supplement to this solution, the outer surface of the tightening indexing seat is provided with a vertical slot that corresponds vertically to the tooth groove of the slotted nut.

[0015] As a further supplement to this solution, a rotary slide is installed on the horizontal end face of the frame, and a mounting base fixing fixture is installed on the upper end of the rotary slide.

[0016] In summary, the technical effects and advantages of this utility model are as follows:

[0017] 1. In this utility model, the combination design of the tightening indexing seat and the through-beam sensor in the tightening end module can realize the alignment and positioning function, thereby improving the ability and accuracy of automatic alignment between the locking plate hole and the nut groove when the slotted nut is automatically tightened, reducing the danger and instability of manual operation, and is suitable for automatic tightening assembly scenarios of slotted nuts with similar structures.

[0018] 2. In this utility model, the tightening is carried out in two stages: the first stage is torque control and the second stage is external sensor trigger signal control, so as to achieve the final positioning and alignment requirements and realize the automatic tightening and assembly operation of the slotted nut. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall three-dimensional structure in this embodiment;

[0021] Figure 2This is a schematic diagram of the tightening end module in this embodiment;

[0022] Figure 3 This is a structural schematic diagram of the mounting bracket fixing fixture in this embodiment.

[0023] In the diagram: 1. Mounting fixture; 2. Vertical sliding module; 3. Support plate; 4. Through-beam sensor; 5. Tightening indexing seat; 6. Indexing pin; 7. Tightening sleeve head; 8. Tightening end module; 9. Rotary slide; 10. Slotted nut; 11. Anti-loosening locking plate; 12. Bearing mounting seat; 13. Mounting seat slot. Detailed Implementation

[0024] 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.

[0025] Example: Reference Figure 1-3 The device shown is an automatic alignment device for slotted nuts and anti-loosening locking plate slots, including a frame, a mounting base fixing fixture 1, a vertical sliding module 2, and a tightening end module 8.

[0026] Among them, such as Figure 1 As shown, the mounting base fixing fixture 1 is installed on the horizontal end face of the frame. The mounting base fixing fixture 1 is adapted to the bearing mounting base 12. The vertical sliding module 2 is installed on the vertical end face of the mounting base fixing fixture 1, and a support plate 3 is installed on the vertical sliding module 2. The tightening end module 8 is installed at the lower end of the support plate 3, and the tightening end module 8 is located on the upper side of the mounting base fixing fixture 1.

[0027] Regarding tightening the end module 8, specifically, as follows: Figure 2 As shown, the tightening end module 8 includes a through-beam sensor 4, a tightening indexing seat 5, and a tightening sleeve head 7. The tightening indexing seat 5 is rotatably mounted on the lower end of the support plate 3. A drive motor for driving the tightening indexing seat 5 to rotate is mounted on the upper end of the support plate 3. The through-beam sensor 4 is mounted on the side of the tightening indexing seat 5, and the tightening sleeve head 7 is mounted on the lower end of the tightening indexing seat 5. Of course, the above-mentioned through-beam sensor 4 and drive motor can be of conventional models and can be installed and electrically connected to the equipment control system using conventional technical means.

[0028] The tightening socket head 7 is detachably installed at the lower end of the tightening indexing seat 5, facilitating its removal and replacement to accommodate various slotted nuts 10. In this embodiment, the tightening socket head 7 is snapped into the lower end of the tightening indexing seat 5 and fixed relative to it via the indexing pin 6. The tightening socket head 7 is designed for quick replacement; it can be manually replaced from the tightening indexing seat 5 by inserting or removing the indexing pin 6.

[0029] To ensure that the tightening sleeve head 7 drives the slotted nut 10 to rotate, the lower end of the tightening sleeve head 7 is integrally provided with teeth that match the grooves of the slotted nut 10.

[0030] Since the grooves on the slotted nut 10 are evenly distributed in a circle, typically 12 grooves spaced at 30° intervals, 12 vertical slits are cut on the tightening indexing seat 5 of the tightening end module 8 at the same intervals and angles, corresponding to the 12 grooves. Additionally, the inner cavity of the mounting fixture 1 is designed to mimic the shape of the bearing mounting seat 12, allowing control over the position of the mounting seat slot 13 after the bearing mounting seat 12 is inserted. Two through-beam sensors 4 are provided, each corresponding to one of the two mounting seat slots 13 on the bearing mounting seat 12. Adjusting the installation position of the through-beam sensors 4 ensures that, in the initial state of the system, they pass through a pair of vertical slits on the tightening indexing seat 5 to trigger a sensing signal. Thus, when the control system is in its initial state, the vertical slits of the tightening indexing seat 5 align with the teeth of the tightening sleeve head 7 and the mounting seat slot 13, achieving initial zeroing.

[0031] Among them, a rotary slide 9 is installed on the horizontal end face of the frame, and multiple different types of mounting bracket fixing fixtures 1 are installed on the rotary slide 9 to match the bearing mounting brackets 12 of different models of gear shaft assemblies. The control system selects and specifies the corresponding model of mounting bracket fixing fixture 1, and controls the rotary slide 9 to rotate it to directly below the tightening end module 8.

[0032] The working principle of this utility model is as follows: Preparation: Place the product bearing mounting seat 12 into the mounting seat fixing fixture 1, and place a pair of anti-loosening locking pieces 11 into the corresponding mounting seat slots 13. Manually screw the slotted nut 10 into the bearing mounting seat 12 for pre-fixing, and align any one of the slots of the slotted nut 10 with the anti-loosening locking piece 11.

[0033] Tightening operation: The control system drives the vertical sliding module 2 to move the tightening end module 8 vertically down until the teeth of the tightening sleeve head 7 engage with the grooves of the slotted nut 10.

[0034] First stage pre-tightening stage: First turn off the through-beam sensor 4, drive the motor to drive the tightening end module 8 to drive the slotted nut 10 to rotate quickly, and stop when the monitored torque reaches the set torque value of the first stage pre-tightening stage.

[0035] The second stage, final stage: Then, the through-beam sensor 4 is activated, and the drive motor slowly drives the tightening end module 8 to rotate, causing the slotted nut 10 to rotate slowly. When the control system receives the sensing signal from the through-beam sensor 4, which is the final stage of the second stage, it immediately controls the tightening end module 8 to stop rotating. At this time, one of the slots in the slotted nut 10 will correspond exactly to the mounting seat slot 13, completing the alignment of the locking plate hole.

[0036] The alignment device used in the above design can improve the ability and accuracy of automatic alignment between the locking plate hole and the nut groove when the slotted nut 10 is automatically tightened, reduce the danger and instability of manual operation, and is suitable for automatic tightening assembly scenarios of slotted nuts 10 with similar structures.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automatic alignment device for slotted nuts and anti-loosening locking plate slots, comprising a frame, characterized in that, Also includes: Mounting fixture (1) is installed on the horizontal end face of the frame and is adapted to the bearing mounting seat (12). A vertical sliding module (2) is installed on the vertical end face of the mounting base fixing fixture (1), and a support plate (3) is installed on the vertical sliding module (2). Tighten the end module (8), which is installed at the lower end of the support plate (3) and is located on the upper side of the mounting base fixing fixture (1); The tightening end module (8) includes a through-beam sensor (4), a tightening indexing seat (5), and a tightening sleeve head (7). The tightening indexing seat (5) is rotatably mounted on the lower end of the support plate (3). A drive motor for driving the tightening indexing seat (5) to rotate is mounted on the upper end of the support plate (3). The through-beam sensor (4) is mounted on the side of the tightening indexing seat (5), and the tightening sleeve head (7) is mounted on the lower end of the tightening indexing seat (5).

2. The automatic alignment device for slotted nuts and anti-loosening locking plate slots according to claim 1, characterized in that: The tightening sleeve head (7) is detachably installed at the lower end of the tightening indexing seat (5).

3. The automatic alignment device for slotted nuts and anti-loosening locking plate slots according to claim 2, characterized in that: The tightening sleeve head (7) is engaged with the lower end of the tightening indexing seat (5) and is fixed relative to the tightening indexing seat (5) by the indexing pin (6).

4. The automatic alignment device for slotted nuts and anti-loosening locking plate slots according to claim 1, characterized in that: The lower end of the tightening sleeve head (7) is integrally provided with teeth that are adapted to the grooves of the slotted nut (10).

5. The automatic alignment device for slotted nuts and anti-loosening locking plate slots according to claim 1, characterized in that: The outer surface of the tightening indexing seat (5) is provided with a vertical slit that corresponds vertically to the tooth groove of the slotted nut (10).

6. The automatic alignment device for slotted nuts and anti-loosening locking plate slots according to claim 1, characterized in that: A rotary slide (9) is mounted on the horizontal end face of the frame, and the mounting base fixing fixture (1) is mounted on the upper end of the rotary slide (9).

Images