Blowing and sucking type deep hole screw locking mechanism

Abstract

The blowing and sucking type deep hole screw locking mechanism comprises a driving assembly, a locking assembly is arranged on the front surface of the driving assembly, and the locking assembly comprises a supporting plate, an electric screwdriver, a suction nozzle, a vacuum connector, a connecting frame, a limiting air cylinder, a clamping jaw air cylinder, a bird nozzle, a guide pipe and an air pipe connector. The limiting air cylinder works to drive the bird nozzle to move, and after the bird nozzle is opened, the bird nozzle can move in the axis direction of the suction nozzle so as to be away from one end of the suction nozzle, and it is guaranteed that the suction nozzle can smoothly enter a deep hole to complete locking operation. Screws are conveyed to the position of the bird mouth through the guide pipe, the guide pipe can effectively prevent the screws from lateral deviation or mutual stacking in the conveying process, the shape of the tail end of the bird mouth can correct the angles of the screws, and it is ensured that the axes of the screws coincide with the axis of a deep hole to be locked. And the suction nozzle generates negative pressure to firmly suck the screws with correct postures and complete the locking action, so that the problems of inclination and stacking of the screws are avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to a screw locking mechanism, in particular to a blowing and sucking type deep hole screw locking mechanism, and belongs to the technical field of automatic assembly. BACKGROUND

[0002] In modern industrial production, automatic assembly technology has become a key link to improve production efficiency, reduce labor costs and ensure product consistency. Among them, screw locking as the core process in the assembly process, its automation level directly affects the efficiency of the whole production line. The traditional screw locking method mainly relies on manual operation or semi-automatic equipment, which has the problems of low efficiency, high labor intensity, easy to miss locking or wrong locking, etc. With the development of intelligent manufacturing, the blowing and sucking type screw locking mechanism gradually becomes the mainstream because of its high efficiency and precision. It sends the screw to the locking position by compressed air, and completes the tightening action by combining electric or pneumatic tools, which significantly improves the locking speed and reliability.

[0003] In the deep hole (hole depth to hole diameter ratio ≥ 3:1) screw locking scene, the existing blowing and sucking type screw locking mechanism generally adopts the design of integrating the feeding mechanism at the end of the locking head. However, the size of the feeding assembly conflicts with the space structure of the deep hole. The feeding assembly enters the deep hole together with the locking mechanism. The friction force and lateral extrusion force on the screw during the conveying process are significantly increased, which easily causes phenomena such as jamming, tilting and even falling off, resulting in the screw cannot reach the specified depth and complete the locking operation. In order to ensure that the suction nozzle and the screw can smoothly enter the hole, some blowing and sucking type screw locking mechanisms use a linear driving mechanism to drive the suction nozzle to move. However, this way the suction nozzle has a short stroke and is not suitable for deep hole situations. Therefore, a blowing and sucking type deep hole screw locking mechanism is proposed. SUMMARY

[0004] Therefore, the present application provides a blowing and sucking type deep hole screw locking mechanism to solve or alleviate one of the technical problems in the prior art, at least to provide a beneficial choice.

[0005] The technical scheme of the embodiment of the present application is implemented as follows: a blowing and sucking type deep hole screw locking mechanism, comprising a driving assembly, a locking assembly is arranged on the front surface of the driving assembly, the locking assembly comprises a supporting plate, an electric screwdriver, a suction nozzle, a vacuum joint, a connecting frame, a limiting cylinder, a clamping jaw cylinder, a bird nozzle, a guide pipe and a gas pipe joint;

[0006] An electric screwdriver is installed on the top of the support plate, which is fixedly connected to one end of the suction nozzle, and the outer wall of the suction nozzle is connected to a vacuum joint. The outer wall of the suction nozzle is slidably connected to a connecting frame, and the connecting frame is fixedly connected to one end of the piston tube of the limiting cylinder. The connecting frame is slidably connected to the inner side wall of the support plate, and a clamping cylinder is installed at the bottom of the connecting frame, and the clamping cylinder is fixedly connected to the bird's beak. The bird's beak is arranged at the bottom of the connecting frame, one end of the suction nozzle is arranged inside the bird's beak, and the outer wall of the bird's beak is connected to a guide tube, and one end of the guide tube is connected to a trachea joint.

[0007] The electric screwdriver, mounted on top of the support plate, is the core drive mechanism. Through a fixed connection to one end of the nozzle, it transmits rotational power to the nozzle, providing the necessary torque for subsequent tightening operations. The nozzle's function is to absorb the screw. The vacuum connector on its outer wall is the connecting component. By connecting to an external vacuum device, the vacuum connector creates negative pressure inside the nozzle, thereby firmly adsorbing the screw.

[0008] The guide tube on the outer wall of the bird's beak is the screw conveyor. A pipe connector at one end connects to an external air source, providing a stable airflow to propel the screw through the guide tube. This airflow propels the screw smoothly and quickly to the bird's beak, improving the efficiency of the entire screw-locking mechanism.

[0009] During the flat locking operation, the servo motor starts running, transmitting its rotational power to the lead screw, which then begins to rotate. A threaded transmission mechanism between the lead screw and the slider converts this rotational motion into linear movement of the slider. As the slider moves, it drives the connected lift platform, which smoothly adjusts its vertical displacement along pre-installed high-precision guide rails until the suction nozzle mounted on the lift platform is moved to the desired preset height, preparing for the subsequent locking operation.

[0010] During the screw-locking process, the air-blowing mechanism connected to the air pipe connector begins to operate, blowing air at a specific pressure and flow rate along the guide tube into the beak. Once the screw has been successfully delivered to the designated position in the beak, the servo motor starts again, driving the nozzle downward according to the established control program.

[0011] As the nozzle approaches the screw inside the beak, the vacuum generator activates, rapidly creating a negative pressure environment inside the nozzle. This negative pressure forces the screw to adhere tightly to the end of the nozzle. Simultaneously, the gripper cylinder activates, precisely controlling the opening and closing of its jaws, driving the beak open and providing sufficient clearance for the nozzle to descend. Driven continuously by the servo motor, the nozzle extends its open beak and precisely screws the attached screw into the designated threaded hole, completing the locking action.

[0012] After the locking task is completed, the servo motor runs in the reverse direction, driving the nozzle to reset along the preset path and wait for the next locking operation instruction.

[0013] Further preferably: the driving assembly includes a base plate, a servo motor and a screw rod;

[0014] A servo motor is installed on the top of the base plate, and the servo motor is fixedly connected to one end of the screw rod.

[0015] The servo motor drives the screw to rotate, moves the slider, and drives the lifting platform to move up and down along the guide rail to adjust the nozzle to the appropriate height. During the locking process, the servo motor works again to drive the nozzle downward. After it approaches the screw, the vacuum generator works, and negative pressure is generated inside the nozzle to absorb the screw.

[0016] Further preferably, the outer side wall of the screw rod is threadedly connected with a ball nut, the ball nut is fixedly connected to the slider, the screw rod and the ball nut are transmitted through threaded cooperation, and the ball nut is used to drive the slider to move.

[0017] Further preferred: the inner wall of the slider is slidably connected to a connecting rod, and the outer wall of the connecting rod is sleeved with a spring, which can play a buffering role. When the screw fails to align with the threaded hole or other faults occur, the buffering effect of the spring is used to prevent the suction nozzle from rigidly contacting the inner wall of the threaded hole, thereby preventing damage to the suction nozzle or the threaded hole.

[0018] Further preferably, the bottom end of the connecting rod is fixedly connected to a lifting platform.

[0019] Further preferably, a guide rail is fixedly connected to the front surface of the base plate, and the lifting platform is slidably connected to the front surface of the guide rail. The guide rail is used to assist the movement of the lifting platform and improve the stability of the lifting platform during movement.

[0020] Further preferred: a protective shell is fixedly connected to the front surface of the base plate, and the protective shell is made of high-strength, wear-resistant material, has good mechanical properties and protective capabilities, and is used to protect the internal transmission mechanism and prevent the transmission mechanism from being damaged by external forces.

[0021] Further preferably, a fixing plate is fixedly connected to the front surface of the bottom plate, and a CCD camera is installed on the front surface of the fixing plate.

[0022] In automated screwdriving systems, CCD cameras, as core components of visual positioning, are closely integrated with high-precision visual recognition systems. Utilizing high-resolution imaging technology, CCD cameras capture real-time images of workpieces at high frame rates and transmit the image data to the visual recognition system at high speed in the form of digital signals. After receiving the image data, the visual recognition system performs preprocessing, including denoising, enhancement, and binarization, to improve image quality and provide a clear and accurate image foundation for subsequent feature extraction.

[0023] The system uses a feature-matching algorithm to compare and analyze preprocessed images with standard workpiece templates stored in a database, accurately identifying key parameters such as the position, size, and angle of the threaded holes on the workpiece. Through coordinate transformation and error compensation algorithms, the visual recognition system converts the actual position of the threaded holes into precise coordinates in a mechanical coordinate system and provides real-time feedback to the screw locking mechanism's control system.

[0024] The screw locking mechanism precisely adjusts the position of the electric screwdriver and suction nozzle based on the received coordinate information, ensuring that the screw is accurately locked into the threaded hole. This prevents screw locking failures caused by factors such as workpiece placement deviation and dimensional errors, improving screw locking accuracy and reliability.

[0025] Further preferably, the support plate is fixedly connected to the front surface of the lifting platform.

[0026] Further preferred: the limit cylinder is installed on the base plate, and the limit cylinder drives the connecting frame and the bird's beak to move, so that the bird's beak moves along the axis direction of the suction nozzle, away from one end of the suction nozzle, increasing the extension length of the suction nozzle, ensuring that the suction nozzle can smoothly enter the deep hole and complete the locking operation.

[0027] The embodiment of the present invention adopts the above technical solution, which has the following advantages:

[0028] 1. The present invention works through a limit cylinder to drive the bird's beak to move. After the bird's beak is opened, the bird's beak can be moved along the axis of the nozzle, thereby moving away from one end of the nozzle, ensuring that the nozzle can smoothly enter the deep hole and complete the locking operation, avoiding jamming, tilting, falling off, etc.

[0029] Second, the present invention uses a guide tube to convey screws to the beak. This guide tube effectively prevents the screws from lateral deviation or stacking during conveyance. The shape of the beak's end corrects the screw angle, ensuring that the screw axis aligns with the axis of the deep hole to be locked. The suction nozzle generates negative pressure to securely suck in correctly positioned screws and complete the locking process, preventing screw tilting and stacking, and reducing the probability of equipment failure due to abnormal screw conveyance.

[0030] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or technical descriptions. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0032] Figure 1 It is a structural diagram of the present invention;

[0033] Figure 2 It is a side structural diagram of the present invention;

[0034] Figure 3 It is a rear structural diagram of the present invention;

[0035] Figure 4 This is a structural diagram of the drive assembly of the present invention;

[0036] Figure 5 It is a structural diagram of the suction nozzle of the present invention;

[0037] Figure 6 This is a structural diagram of the connecting frame of the present invention;

[0038] Figure 7 This is an enlarged structural diagram of point A of the present invention.

[0039] Figure numerals: 10, driving assembly; 11, base plate; 12, servo motor; 13, screw rod; 14, slider; 15, connecting rod; 16, lifting platform; 17, guide rail; 18, protective shell; 19, fixing plate; 110, CCD camera; 20, locking assembly; 21, support plate; 22, electric screwdriver; 23, suction nozzle; 24, vacuum joint; 25, connecting frame; 26, limit cylinder; 27, clamping cylinder; 28, bird's beak; 29, guide tube; 210, trachea joint. DETAILED DESCRIPTION

[0040] The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

[0041] It should be clear that the following embodiments of the present disclosure are described through specific concrete examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all the embodiments. The present disclosure can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that the following embodiments and features in the embodiments can be combined with each other in the absence of conflict. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present disclosure.

[0042] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on this disclosure, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number of aspects described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0043] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present disclosure. The illustrations only show components related to the present disclosure and are not drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complicated.

[0044] Additionally, in the following description, specific details are provided to provide a thorough understanding of the examples. However, one skilled in the art will appreciate that the aspects described can be practiced without these specific details.

[0045] Example 1

[0046] like Figure 1-Figure 7 As shown, the embodiment of the present invention provides a blowing and suction deep hole screw locking mechanism, including a driving assembly 10, a locking assembly 20 is provided on the front surface of the driving assembly 10, and the locking assembly 20 includes a support plate 21, an electric screwdriver 22, a suction nozzle 23, a vacuum joint 24, a connecting frame 25, a limit cylinder 26, a clamping cylinder 27, a bird's beak 28, a guide tube 29 and a trachea joint 210;

[0047] The top of the support plate 21 is provided with an electric wrench 22, the electric wrench 22 is fixedly connected with one end of a suction nozzle 23, the outer side wall of the suction nozzle 23 is communicated with a vacuum connector 24, the outer side wall of the suction nozzle 23 is slidably connected with a connecting frame 25, the connecting frame 25 is fixedly connected with one end of a piston pipe of a limiting cylinder 26, the connecting frame 25 is slidably connected with the inner side wall of the support plate 21, the bottom of the connecting frame 25 is provided with a clamping jaw cylinder 27, the clamping jaw cylinder 27 is fixedly connected with a bird nozzle 28, the bird nozzle 28 is arranged at the bottom of the connecting frame 25, one end of the suction nozzle 23 is arranged in the bird nozzle 28, the outer side wall of the bird nozzle 28 is communicated with a guide pipe 29, one end of the guide pipe 29 is communicated with a gas pipe connector 210, and the support plate 21 provides a stable support foundation for the whole system in the screw locking mechanism.

[0048] The electric wrench 22 mounted on the top of the support plate 21 is a core driving mechanism, which transmits rotary power to the suction nozzle 23 through the fixed connection with one end of the suction nozzle 23, and provides necessary torque for subsequent locking operation. The function of the suction nozzle 23 is to realize the suction of the screw, and the vacuum connector 24 on the outer side wall of the suction nozzle 23 is a connecting part, which is connected with an external vacuum equipment, so that the vacuum connector 24 generates negative pressure in the suction nozzle 23, thereby tightly adsorbing the screw.

[0049] The guide pipe 29 on the outer side wall of the bird nozzle 28 is a conveying channel of the screw, and the gas pipe connector 210 at one end of the guide pipe 29 is connected with an external gas source, thereby providing stable airflow power for conveying the screw in the guide pipe 29. Through the pushing of the airflow, the screw can smoothly and quickly reach the bird nozzle 28, thereby improving the working efficiency of the whole screw locking mechanism.

[0050] Through the work of the limiting cylinder 26, the bird nozzle 28 can be driven to move, and after the bird nozzle 28 is opened, the bird nozzle 28 can move along the axis direction of the suction nozzle 23, thereby moving away from one end of the suction nozzle 23, so that the suction nozzle 23 can smoothly enter the deep hole and complete the locking operation, thereby avoiding the phenomena of jamming, tilting, falling off and the like, improving the reliability and success rate of the locking operation, and improving the performance and working efficiency of the whole locking system.

[0051] In the embodiment, specifically: the driving assembly 10 includes a bottom plate 11, a servo motor 12 and a lead screw 13;

[0052] The top of the bottom plate 11 is provided with the servo motor 12, and the servo motor 12 is fixedly connected with one end of the lead screw 13.

[0053] The servo motor 12 drives the lead screw 13 to rotate, so that the sliding block 14 moves, the lifting platform 16 moves up and down along the guide rail 17, the suction nozzle 23 is adjusted to an appropriate height, in the locking process, the servo motor 12 works again to drive the suction nozzle 23 to move downward, after approaching the screw, the vacuum generating device works, negative pressure is generated in the suction nozzle 23, and the screw is adsorbed.

[0054] In this embodiment, specifically: the outer wall of the screw rod 13 is threadedly connected with a ball nut, the ball nut is fixedly connected to the slider 14, the screw rod 13 and the ball nut are transmitted through threaded cooperation, and the ball nut is used to drive the slider 14 to move.

[0055] In this embodiment, specifically: the inner wall of the slider 14 is slidably connected to the connecting rod 15, and the outer wall of the connecting rod 15 is sleeved with a spring. The spring can play a buffering role. When the screw fails to align with the threaded hole or other faults occur, the buffering effect of the spring is used to prevent the suction nozzle 23 from rigidly contacting the inner wall of the threaded hole, thereby preventing damage to the suction nozzle 23 or the threaded hole.

[0056] In this embodiment, specifically: the bottom end of the connecting rod 15 is fixedly connected to the lifting platform 16 .

[0057] In this embodiment, specifically: the front surface of the bottom plate 11 is fixedly connected to a guide rail 17, and the lifting platform 16 is slidably connected to the front surface of the guide rail 17. The guide rail 17 is used to assist the movement of the lifting platform 16 and improve the stability of the lifting platform 16 during movement.

[0058] In this embodiment, specifically: a protective shell 18 is fixedly connected to the front surface of the bottom plate 11, and the protective shell 18 is used to protect the internal transmission mechanism to prevent the transmission mechanism from being damaged by external forces.

[0059] In this embodiment, specifically: the front surface of the base plate 11 is fixedly connected to a fixing plate 19, the front surface of the fixing plate 19 is installed with a CCD camera 110, the CCD camera 110 is connected to a visual recognition system, and the CCD camera 110 is used to assist in completing the positioning of the workpiece to ensure that the screws can be smoothly locked on the threaded holes.

[0060] In this embodiment, specifically: the support plate 21 is fixedly connected to the front surface of the lifting platform 16 .

[0061] During the flat locking operation, the servo motor 12 starts running, transmitting its rotational power to the screw 13, which then begins to rotate. The screw then begins to rotate, and the threaded transmission mechanism between the screw and the slider 14 converts this rotational motion into linear movement of the slider 14. As the slider 14 moves, it drives the connected lifting platform 16, which smoothly adjusts its vertical displacement along the pre-installed high-precision guide rails 17 until the suction nozzle 23 mounted on the lifting platform is moved to the desired preset height, preparing for the subsequent locking operation.

[0062] As the locking process progresses, the air blowing feeding mechanism at one end connected to the air pipe connector 210 begins to operate, blowing air at a specific pressure and flow rate along the guide tube 29 into the inside of the bird's beak 28. When the screw is successfully transported to the designated position in the bird's beak 28, the servo motor 12 starts again, driving the suction nozzle 23 downward according to the established control program. As the suction nozzle 23 gradually approaches the screw in the bird's beak 28, the vacuum generating device starts to work synchronously, quickly generating a negative pressure environment inside the suction nozzle 23. Under the action of the negative pressure, the screw is tightly adsorbed to the end of the suction nozzle 23. At the same time, the clamping cylinder 27 starts to move, precisely controlling the opening and closing of its clamping jaws, driving the bird's beak 28 to open and providing sufficient downward space for the suction nozzle 23. Under the continuous drive of the servo motor 12, the suction nozzle 23 extends the opened bird's beak 28 and accurately screws the screw adsorbed at the end into the designated threaded hole, completing the locking action. After the locking task is completed, the servo motor 12 rotates in the reverse direction, driving the suction nozzle 23 to reset along the preset path and wait for the instruction of the next locking operation.

[0063] Example 2

[0064] like Figure 1-Figure 7 As shown, the embodiment of the present invention provides a blowing and suction deep hole screw locking mechanism, including a driving assembly 10, a locking assembly 20 is provided on the front surface of the driving assembly 10, and the locking assembly 20 includes a support plate 21, an electric screwdriver 22, a suction nozzle 23, a vacuum joint 24, a connecting frame 25, a limit cylinder 26, a clamping cylinder 27, a bird's beak 28, a guide tube 29 and a trachea joint 210;

[0065] An electric screwdriver 22 is installed on the top of the support plate 21, and the electric screwdriver 22 is fixedly connected to one end of the suction nozzle 23. The outer wall of the suction nozzle 23 is connected to a vacuum joint 24. The outer wall of the suction nozzle 23 is slidably connected to a connecting frame 25. The connecting frame 25 is fixedly connected to one end of the piston tube of the limit cylinder 26. The connecting frame 25 is slidably connected to the inner wall of the support plate 21. A clamping cylinder 27 is installed at the bottom of the connecting frame 25, and the clamping cylinder 27 is fixedly connected to the bird's beak 28. The bird's beak 28 is arranged at the bottom of the connecting frame 25, and one end of the suction nozzle 23 is arranged inside the bird's beak 28. The outer wall of the bird's beak 28 is connected to a guide tube 29, and one end of the guide tube 29 is connected to a trachea joint 210.

[0066] The electric screwdriver 22, mounted on top of the support plate 21, is the power source. It is fixedly connected to one end of the nozzle 23, transmitting rotational power to the nozzle 23, providing the necessary torque for the subsequent tightening operation. The nozzle 23 is used to absorb the screw. The vacuum connector 24 on its outer wall is a connecting component. By connecting to an external vacuum device, the vacuum connector 24 creates a negative pressure inside the nozzle 23, thereby firmly adsorbing the screw.

[0067] Connecting frame 25 plays a crucial role in connection and transmission. Its fixed connection to one end of the piston rod of limit cylinder 26 enables the limit cylinder 26 to precisely control the travel of connecting frame 25. Furthermore, connecting frame 25 is slidably connected to the inner wall of support plate 21, ensuring the stability and accuracy of its movement and preventing operational errors caused by motion deviations. The clamping cylinder 27 at the bottom of connecting frame 25 is a key component controlling the movement of the beak 28. Through its fixed connection to the beak 28, the clamping cylinder 27 drives the beak 28 to open and close, thereby clamping and releasing the screw.

[0068] The guide tube 29 on the outer wall of the bird's beak 28 is the screw conveying channel. The air pipe connector 210 at one end is connected to an external air source, providing a stable air flow to transport the screw within the guide tube 29. The air flow propels the screw to reach the bird's beak 28 smoothly and quickly, improving the working efficiency of the entire screw locking mechanism.

[0069] In this embodiment, specifically: the driving assembly 10 includes a base plate 11, a servo motor 12 and a screw rod 13;

[0070] A servo motor 12 is installed on the top of the base plate 11 , and the servo motor 12 is fixedly connected to one end of a screw rod 13 .

[0071] The servo motor 12 drives the screw rod 13 to rotate, causing the slider 14 to move, and driving the lifting platform 16 to move up and down along the guide rail 17, adjusting the suction nozzle 23 to an appropriate height. During the locking process, the servo motor 12 works again to drive the suction nozzle 23 to move downward. After approaching the screw, the vacuum generating device works, and negative pressure is generated inside the suction nozzle 23 to absorb the screw.

[0072] In this embodiment, specifically: the outer wall of the screw rod 13 is threadedly connected with a ball nut, the ball nut is fixedly connected to the slider 14, the screw rod 13 and the ball nut are transmitted through threaded cooperation, and the ball nut is used to drive the slider 14 to move.

[0073] In this embodiment, specifically: the inner wall of the slider 14 is slidably connected to the connecting rod 15, and the outer wall of the connecting rod 15 is sleeved with a spring, which can play a buffering role. In actual operation, due to the combined influence of various factors such as workpiece placement deviation, screw deformation, mechanical transmission error, etc., it is inevitable that the screw will fail to align with the threaded hole. In this case, the buffering effect of the spring is used to prevent the suction nozzle 23 from rigidly contacting the inner wall of the threaded hole, thereby preventing damage to the suction nozzle 23 or the threaded hole.

[0074] In this embodiment, specifically: the bottom end of the connecting rod 15 is fixedly connected to the lifting platform 16 .

[0075] In this embodiment, specifically: the front surface of the base plate 11 is fixedly connected to a guide rail 17, and the lifting platform 16 is slidably connected to the front surface of the guide rail 17. The guide rail 17 serves as a guiding component and closely cooperates with the lifting platform 16 to form a high-precision linear motion unit, which provides precise guidance and stable support for the movement of the lifting platform 16, thereby improving the stability of the lifting platform 16 during movement.

[0076] In this embodiment, specifically: a protective shell 18 is fixedly connected to the front surface of the base plate 11. The protective shell 18 is made of high-strength, wear-resistant material, has good mechanical properties and protective capabilities, and is used to protect the internal transmission mechanism and prevent the transmission mechanism from being damaged by external forces.

[0077] In this embodiment, specifically: a fixing plate 19 is fixedly connected to the front surface of the bottom plate 11 , and a CCD camera 110 is installed on the front surface of the fixing plate 19 .

[0078] In the automated screwdriving system, CCD camera 110, as a core component of visual positioning, is closely integrated with a high-precision visual recognition system. Utilizing high-resolution imaging technology, CCD camera 110 captures real-time images of the workpiece at a high frame rate and transmits the image data to the visual recognition system at high speed in the form of digital signals. After receiving the image data, the visual recognition system performs preprocessing, including denoising, enhancement, and binarization, to improve image quality and provide a clear and accurate image foundation for subsequent feature extraction.

[0079] The system then uses a feature-matching algorithm to compare the preprocessed image with standard workpiece templates stored in a database, accurately identifying key parameters such as the position, size, and angle of the threaded holes on the workpiece. Using coordinate transformation and error compensation algorithms, the visual recognition system converts the actual position of the threaded holes into precise coordinates in a mechanical coordinate system and provides real-time feedback to the screw locking mechanism's control system.

[0080] The screw locking mechanism can be installed on a multi-degree-of-freedom drive mechanism, such as a robot arm. At the same time, the workpiece below the screw locking mechanism is fixed to a support surface by a tool or fixture to facilitate the determination of the relative position between the screw locking mechanism and the workpiece. The screw locking mechanism can adjust the position of the electric screwdriver 22 and the suction nozzle 23 according to the received coordinate information to ensure that the screw can be accurately locked in the threaded hole. This avoids the problem of screw locking failure caused by factors such as workpiece placement deviation and dimensional error, and improves the accuracy and reliability of screw locking.

[0081] In this embodiment, specifically: the support plate 21 is fixedly connected to the front surface of the lifting platform 16 .

[0082] In this embodiment, specifically: the limiting cylinder 26 is installed on the base plate 11, and the limiting cylinder 26 drives the connecting frame 25 and the bird's beak 28 to move, so that the bird's beak 28 moves along the axial direction of the suction nozzle 23, away from one end of the suction nozzle 23, increasing the extension length of the suction nozzle 23, ensuring that the suction nozzle 23 can smoothly enter the deep hole and complete the locking operation.

[0083] The present invention is at work: when deep hole locking is carried out, the servo motor 12 drives the screw rod 13 to rotate, so that the slider 14 moves, and drives the lifting platform 16 to move up and down along the guide rail 17, and adjusts the suction nozzle 23 to an appropriate height. During the locking process, the air blowing feeding mechanism at one end of the air pipe joint 210 adopts the blowing method to feed the screw into the bird's beak 28 through the guide tube 29. After the screw is in place, the servo motor 12 works again to drive the suction nozzle 23 to move downward. After approaching the screw, the vacuum generating device works, and negative pressure is generated inside the suction nozzle 23 to adsorb the screw. At the same time, the clamping claw cylinder 27 drives the bird's beak 28 to open, and the suction nozzle 23 extends out of the bird's beak 28. The limiting cylinder 26 works to drive the connecting frame 25 and the bird's beak 28 to move, so that the bird's beak 28 moves along the axis direction of the suction nozzle 23, away from one end of the suction nozzle 23, thereby increasing the extension length of the suction nozzle 23, ensuring that the suction nozzle 23 can smoothly enter the deep hole and complete the locking operation, avoiding the occurrence of jamming, tilting, falling off and the like.

[0084] The present invention works by the limiting cylinder 26 to drive the bird's beak 28 to move. After the bird's beak 28 is opened, the bird's beak 28 can be moved along the axial direction of the suction nozzle 23, thereby moving away from one end of the suction nozzle 23, ensuring that the suction nozzle 23 can smoothly enter the deep hole and complete the locking operation, avoiding the occurrence of jamming, tilting, falling off, etc., thereby improving the reliability and success rate of the locking operation and enhancing the performance and work efficiency of the entire locking system.

[0085] The present invention uses a guide tube 29 to convey the screws to the beak 28. This guide tube 29 effectively prevents the screws from lateral deviation or stacking during conveyance. The shape of the end of the beak 28 corrects the screw angle, ensuring that the screw axis aligns with the axis of the deep hole to be locked. The suction nozzle 23 generates negative pressure to securely suck in the correctly positioned screw and complete the locking action, preventing screw tilting and stacking, and reducing the probability of equipment failure caused by abnormal screw conveyance.

[0086] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant description of other embodiments.

[0087] Those skilled in the art will appreciate that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented using electronic preset hardware, or a combination of computer software and electronic preset hardware. Whether these functions are performed using preset hardware or software depends on the specific application and design constraints of the technical solution. Professionals and technicians may use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the present invention.

[0088] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various modifications and substitutions within the technical scope disclosed in the present invention, and such modifications and substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be subject to the scope of protection of the claims.

Claims

1. A blowing and suction deep hole screw locking mechanism, comprising a driving assembly (10), characterized in that: The front surface of the driving assembly (10) is provided with a locking assembly (20), and the locking assembly (20) includes a support plate (21), an electric screwdriver (22), a suction nozzle (23), a vacuum joint (24), a connecting frame (25), a limit cylinder (26), a clamping cylinder (27), a bird's beak (28), a guide tube (29) and a trachea joint (210); An electric batcher (22) is installed on the top of the support plate (21), and the electric batcher (22) is fixedly connected to one end of the suction nozzle (23). The outer side wall of the suction nozzle (23) is communicated with a vacuum joint (24). The outer side wall of the suction nozzle (23) is slidably connected to a connecting frame (25). The connecting frame (25) is fixedly connected to one end of the piston tube of the limit cylinder (26). The connecting frame (25) is slidably connected to the inner side wall of the support plate (21). A clamping cylinder (27) is installed at the bottom of the connecting frame (25). The clamping cylinder (27) is fixedly connected to a bird's beak (28). The bird's beak (28) is arranged at the bottom of the connecting frame (25). One end of the suction nozzle (23) is arranged inside the bird's beak (28). The outer side wall of the bird's beak (28) is communicated with a guide pipe (29), and one end of the guide pipe (29) is communicated with a trachea joint (210).

2. The blowing and suction deep hole screw locking mechanism according to claim 1, characterized in that: The driving assembly (10) includes a base plate (11), a servo motor (12) and a screw rod (13); A servo motor (12) is installed on the top of the base plate (11), and the servo motor (12) is fixedly connected to one end of a screw rod (13).

3. The blowing and suction deep hole screw locking mechanism according to claim 2, characterized in that: The outer wall of the screw rod (13) is threadedly connected to a ball nut, and the ball nut is fixedly connected to the slider (14).

4. The blowing and suction deep hole screw locking mechanism according to claim 3, characterized in that: The inner side wall of the slider (14) is slidably connected to a connecting rod (15), and the outer side wall of the connecting rod (15) is sleeved with a spring.

5. The blowing and suction deep hole screw locking mechanism according to claim 4, characterized in that: The bottom end of the connecting rod (15) is fixedly connected to a lifting platform (16).

6. The blowing and suction deep hole screw locking mechanism according to claim 5, characterized in that: The front surface of the bottom plate (11) is fixedly connected to a guide rail (17), and the lifting platform (16) is slidably connected to the front surface of the guide rail (17).

7. The blowing and suction deep hole screw locking mechanism according to claim 2, characterized in that: A protective shell (18) is fixedly connected to the front surface of the bottom plate (11).

8. The blowing and suction deep hole screw locking mechanism according to claim 2, characterized in that: A fixing plate (19) is fixedly connected to the front surface of the bottom plate (11), and a CCD camera (110) is installed on the front surface of the fixing plate (19).

9. The blowing and suction deep hole screw locking mechanism according to claim 5, characterized in that: The support plate (21) is fixedly connected to the front surface of the lifting platform (16).

10. The blowing and suction deep hole screw locking mechanism according to claim 2, characterized in that: The limiting cylinder (26) is installed on the base plate (11).

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