Automatic connection conveying and end cover tightening device

Abstract

The utility model belongs to the technical field of assembly equipment, and discloses an automatic connection conveying and end cover tightening device. Comprising a rack, an object placing part, a jacking rotating mechanism and a connection conveying mechanism. According to the device, the rack serves as a supporting structure, and other components are installed and fixed; the object placing part is used for connecting and stabilizing the traction motor, and the traction motor is placed on the object placing part; the connection conveying mechanism automatically conveys the object and the traction motor to the jacking rotating mechanism, connection is completed, and accurate positioning is achieved. The jacking and rotating mechanism is matched with the rotating assembly through the jacking assembly, so that the traction motor can automatically ascend and descend and rotate forwards and reversely at multiple angles when the end cover bolt is tightened, and the tightening precision and consistency are guaranteed. According to the device, automatic connection and conveying of the traction motor and automatic tightening of the end cover bolt are achieved, manual operation is reduced, the safety risk is lowered, the assembling efficiency is improved, and the labor intensity is lowered.

Description

Technical Field

[0001] The utility model relates to the technical field of assembly equipment, in particular to an automatic connecting, conveying and end cover tightening device. Background Art

[0002] Currently, the maintenance process for EMU traction motors requires tightening the end caps at both ends of the motor after the stator and rotor are assembled. Typically, before tightening, the assembled traction motor is manually hoisted to a dedicated tightening station. The operator first tightens the end cap bolts on the drive end, then moves to the other side of the workbench to tighten the end cap bolts on the non-drive end.

[0003] However, the above workflow often has problems such as low manual efficiency and long assembly time. At the same time, since the traction motor needs to be frequently lifted to the work station, the labor intensity is high, which increases the workload of the operator and the potential safety risks during the operation, which to a certain extent affects the efficiency and safety of maintenance. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic connecting, conveying and end cover tightening device, which can realize the automatic connection and conveying of the traction motor to the tightening station, and can realize the automatic tightening of the traction motor end cover bolts, thereby reducing the assembly time, improving the working efficiency, reducing the labor intensity, and reducing the potential safety risks during the operation.

[0005] To achieve this purpose, the present invention adopts the following technical solutions:

[0006] The automatic connecting, conveying and end cover tightening device is used to connect and convey the traction motor to the tightening station to complete the tightening of the end cover bolts, wherein the automatic connecting, conveying and end cover tightening device includes:

[0007] frame;

[0008] a storage piece, the storage piece being used for connecting the traction motor;

[0009] A lifting and rotating mechanism, the lifting and rotating mechanism is installed on the frame and is located below the tightening station. The lifting and rotating mechanism includes a lifting component and a rotating component. The rotating component is arranged on the lifting component. The object placement member can be placed on the rotating component. The lifting component can drive the object placement member to automatically rise and fall in the vertical direction so that the traction motor can be located at the height of the tightening station. The rotating component can drive the object placement member to automatically rotate forward and reverse along the axis of the lifting and rotating mechanism so that the end covers of each end of the traction motor correspond to the tightening station.

[0010] The docking conveying mechanism is installed on the frame, and the docking conveying mechanism includes a loading port. The docking conveying mechanism can transport the storage element from the loading port to the rotating component.

[0011] Furthermore, the docking conveying mechanism includes a conveying component, which includes a conveyor belt and a first drive motor. The conveyor belt is arranged along the length direction of the frame and is distributed on both sides of the jacking and rotating mechanism for conveying the objects; the output end of the first drive motor is connected to the conveyor belt to drive the conveyor belt to operate.

[0012] Furthermore, the docking conveying mechanism also includes a guide member, which is symmetrically arranged on both sides of the lifting and rotating mechanism along the conveying direction of the conveyor belt and fixedly connected to the frame for guiding the placement piece to move onto the rotating assembly.

[0013] Furthermore, the guide member includes two guide bars, and each guide bar is provided with a bevel angle at one end close to the storage member, and the bevel angle is from the long side of the guide bar away from the lifting and rotating mechanism, and is tangent to the long side of the guide bar close to the lifting and rotating mechanism along the long side direction of the guide bar.

[0014] Furthermore, the jacking assembly includes a jacking platform, a jacking member and a second drive motor. The jacking platform is arranged on the jacking member, the rotating assembly is arranged on the jacking platform, and the output end of the second drive motor is connected to the jacking member to drive the jacking member to drive the jacking platform to rise and fall in the vertical direction.

[0015] Furthermore, the jacking assembly also includes a synchronous lifting member, which is electrically connected to the jacking member and the second drive motor. The synchronous lifting member is arranged at each edge position of the jacking platform so that each edge of the jacking platform can be lifted and lowered synchronously.

[0016] Furthermore, the rotating assembly includes a rotating disk and a third drive motor. The rotating disk is arranged at the center position of the jacking rotating mechanism. The output end of the third drive motor is connected to the rotating disk to drive the rotating disk to rotate forward and reverse along its central axis.

[0017] Furthermore, the rotating assembly also includes a slewing support and a driving gear. The slewing support is arranged between the rotating disk and the lifting assembly. The slewing support is meshed with the driving gear. The output end of the third drive motor is electrically connected to the driving gear. The third drive motor can drive the driving gear to drive the slewing support to rotate.

[0018] Furthermore, the lifting and rotating mechanism further includes a speed reducer, and the speed reducer, the driving gear and the third driving motor are electrically connected.

[0019] Furthermore, the rotating assembly also includes at least two positioning protrusions, and at least two positioning protrusions are symmetrically arranged on the rotating disk along the central axis of the rotating disk. A positioning hole is opened on the storage piece, and the positioning protrusions and the positioning holes cooperate with each other to facilitate the fixing of the storage piece on the rotating disk.

[0020] Beneficial effects of the utility model:

[0021] The utility model provides an automatic docking, conveying and end cover tightening device, comprising a frame, a placement piece, a lifting and rotating mechanism and a docking and conveying mechanism, wherein the frame serves as a supporting structure of the automatic docking, conveying and end cover tightening device and is used for installing and fixing other components; the placement piece is used for docking and carrying a traction motor, and can keep the traction motor stable during the docking, conveying and lifting rotation process of the docking and conveying mechanism and the lifting and rotating assembly; by placing the traction motor on the placement piece, the docking and conveying mechanism automatically transports the placement piece together with the traction motor to the rotating assembly, completes the docking and accurately places it on the lifting and rotating mechanism; the lifting and rotating mechanism can drive the traction motor to rise and fall and rotate forward and backward at multiple angles through the cooperation of the lifting assembly and the rotating assembly, ensuring that the end cover bolts of each end of the traction motor can be accurately positioned when tightened, thereby improving assembly accuracy, ensuring consistent tightening effect, and avoiding the problem of loose or untightened bolts. The automatic splicing, conveying, and end cap tightening device automatically connects and conveys the traction motor, as well as automatically tightens the end cap bolts. This reduces manual intervention, thereby minimizing potential safety risks and ensuring operator safety. This makes the assembly process more efficient and significantly shortens assembly time. Because the automated device replaces manual splicing, handling, and tightening, it reduces the operator's physical labor intensity and makes the work process easier. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a structural diagram of the automatic connection, conveying and end cover tightening device of the utility model;

[0023] Figure 2 It is a structural diagram of the connecting and conveying mechanism in the present utility model;

[0024] Figure 3 It is a structural diagram of the jacking and rotating assembly in the utility model;

[0025] Figure 4 It is a front view of the jacking and rotating assembly in the utility model.

[0026] In the picture:

[0027] 1. Frame; 2. Storage compartment; 21. Positioning hole;

[0028] 3. Lifting and rotating mechanism; 31. Lifting assembly; 311. Lifting platform; 312. Lifting member; 313. Synchronous lifting member; 32. Rotating assembly; 321. Rotating disk; 322. Third drive motor; 323. Slewing support; 324. Drive gear; 325. Speed ​​reducer; 326. Positioning protrusion;

[0029] 4. Connecting and conveying mechanism; 41. Conveying assembly; 411. Conveyor belt; 412. First driving motor; 42. Guide member. DETAILED DESCRIPTION

[0030] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all of its components.

[0031] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0032] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0033] In the description of this embodiment, the terms "upper," "lower," "left," "right," and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely for ease of description and simplified operation. They do not indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0034] Please refer to Figures 1 to 4 As shown, the utility model provides an automatic connection, transportation and end cover tightening device, which can realize the automatic connection and transportation of the traction motor to the tightening station, and can realize the automatic tightening of the traction motor end cover bolts, thereby reducing the assembly time, improving the working efficiency, reducing the labor intensity, and reducing the potential safety risks during the operation. The automatic docking, conveying and end cover tightening device is used to connect and convey the traction motor to the tightening station to complete the tightening of the end cover bolts, including a frame 1, a placement part 2, a jacking and rotating mechanism 3 and a docking and conveying mechanism 4, wherein the placement part 2 is used to connect the traction motor; the jacking and rotating mechanism 3 is installed on the frame 1 and is located below the tightening station. The jacking and rotating mechanism 3 includes a jacking component 31 and a rotating component 32. The rotating component 32 is arranged on the jacking component 31. The placement part 2 can be placed on the rotating component 32. The jacking component 31 can drive the placement part 2 to automatically rise and fall in the vertical direction so that the traction motor can be located at the height of the tightening station. The rotating component 32 can drive the placement part 2 to automatically rotate forward and reverse along the axis of the jacking and rotating mechanism 3 so that the end covers of each end of the traction motor correspond to the tightening station; the docking and conveying mechanism 4 is installed on the frame 1. The docking and conveying mechanism 4 includes a loading port. The docking and conveying mechanism 4 can convey the placement part 2 from the loading port to the rotating component 32.

[0035] The frame 1 serves as the supporting structure for the automatic docking, conveying, and end cap tightening device, and is used to install and secure other components. The mounting member 2 is used to dock and support the traction motor, and is capable of maintaining the stability of the traction motor during the docking, conveying, and lifting and rotating processes between the docking and conveying mechanism 4 and the lifting and rotating assembly 32. By placing the traction motor on the mounting member 2, the docking and conveying mechanism 4 automatically transports the mounting member 2 and the traction motor to the rotating assembly 32, completing the docking and accurately placing it on the lifting and rotating mechanism 3. The lifting and rotating mechanism 3, through the cooperation of the lifting assembly 31 and the rotating assembly 32, can drive the traction motor to rise and fall and rotate forward and backward at multiple angles, ensuring that the end cap bolts of the traction motor are accurately positioned when tightened, thereby improving assembly accuracy, ensuring consistent tightening results, and avoiding loose or untightened bolts. The automatic docking, conveying, and end cap tightening device reduces manual intervention by automatically docking, conveying, and tightening the end cap bolts of the traction motor, thereby reducing potential safety risks, ensuring the safety of operators, making the assembly process more efficient, and significantly shortening assembly time. Since the automated device replaces manual work in connection, handling and tightening, it reduces the operator's physical labor intensity and makes the work process easier.

[0036] like Figure 2 As shown, specifically, the connecting conveying mechanism 4 includes a conveying component 41, and the conveying component 41 includes a conveyor belt 411 and a first drive motor 412. The conveyor belt 411 is arranged along the length direction of the frame 1 and distributed on both sides of the jacking and rotating mechanism 3, and is used to convey the object 2; the output end of the first drive motor 412 is connected to the conveyor belt 411 to drive the conveyor belt 411 to run. By arranging the conveyor belt 411 along the length direction of the frame 1 and distributing it on both sides of the jacking and rotating mechanism 3, the object 2 can be smoothly approached and aligned with the jacking and rotating mechanism 3, ensuring that the conveying process of the object 2 is smooth and the position is accurate; by directly connecting the output end of the first drive motor 412 to the conveyor belt 411, it is convenient to accurately control the speed and running path of the conveyor belt 411, making the conveying process more controllable. The conveyor belt 411 includes rollers and chains. The rollers are composed of a driving roller and a driven roller. The driving roller is connected to the first drive motor 412. The chain is wrapped around the driving roller and the driven roller, so that the conveyor belt 411 circulates along the length of the frame 1. The first drive motor 412 drives the driving roller to rotate, thereby driving the entire conveyor belt 411 to move through the chain. In other embodiments, the conveyor belt 411 may also include rollers and belts. The belt (usually made of rubber or PVC material) is wrapped around the driving roller and the driven roller. The driving roller drives the belt to operate through friction, and the belt can smoothly convey materials.

[0037] Continue as Figure 2As shown, in order to improve conveying accuracy, in some embodiments, the connecting conveying mechanism 4 also includes guide members 42. The guide members 42 are symmetrically arranged on both sides of the lifting and rotating mechanism 3 along the conveying direction of the conveyor belt 411 and are fixedly connected to the frame 1 to guide the object 2 to move to the rotating assembly 32. By symmetrically arranging the guide members 42 on both sides of the lifting and rotating mechanism 3, a fixed track is provided for the movement of the object 2, which helps to avoid deviation and shaking, ensures that the object 2 can be accurately moved to the rotating assembly 32, and improves conveying accuracy. Specifically, the guide members 42 include two guide bars, each of which is provided with a bevel angle at one end near the object 2. The bevel angle extends from the long side of the guide bar away from the lifting and rotating mechanism 3 and is tangential to the long side of the guide bar near the lifting and rotating mechanism 3 along the long side of the guide bar. Among them, the design of the bevel angle allows the storage unit 2 to be naturally guided when approaching the lifting and rotating mechanism 3. The inclination angle of the bevel angle allows the storage unit 2 to gradually align after entering the path of the guide bar, reducing the difficulty of entering the guide bar, helping to achieve automatic alignment, and avoiding jamming; at the same time, because the bevel angle of the guide bar also provides a smooth transition area, the storage unit 2 will not directly collide with the guide bar when moving, and can slide smoothly into the guide area, effectively avoiding damage to the storage tray surface or wear of the traction motor caused by collision.

[0038] like Figure 4 As shown, in order to improve the accuracy and stability of the jacking process, in some embodiments, the jacking assembly 31 includes a jacking platform 311, a jacking member 312, and a second drive motor. The jacking platform 311 is arranged on the jacking member 312, and the rotating assembly 32 is arranged on the jacking platform 311. The output end of the second drive motor is connected to the jacking member 312 to drive the jacking member 312 to drive the jacking platform 311 to move up and down in the vertical direction. The jacking platform 311 and the jacking member 312 combined with the second drive motor can achieve accurate vertical lifting of the jacking assembly 31, ensuring that the height and position of the object placement part 2 and the traction motor are accurate at the tightening station, ensuring that the end cover bolts can be tightened in the correct position, and the jacking platform 311 can provide a larger contact area for the rotating assembly 32, making the structural connection more stable. Among them, the jacking member 312 can be, but is not limited to, a cylinder or a ball screw, etc., which is not specifically limited here.

[0039] Continue as Figure 4As shown, in order to ensure the stability of the lifting platform 311, the lifting assembly 31 also includes a synchronous lifting member 313. The synchronous lifting member 313, the lifting member 312 and the second drive motor are electrically connected. The synchronous lifting member 313 is set at each edge position of the lifting platform 311 so that each edge of the lifting platform 311 can be lifted and lowered synchronously. The synchronous lifting member 313 can avoid the platform from tilting or unevenness during the lifting process by ensuring the synchronous lifting of each edge of the lifting platform 311, ensuring the stability of the platform during the lifting process, and reducing the safety hazards caused by unbalanced lifting. When handling a heavier traction motor, maintaining the balance of the platform can greatly reduce the safety risks during operation and can effectively protect the safety of equipment and operators. The synchronous lifting member 313 can be, but is not limited to, a rack synchronizer, which is not specifically limited here.

[0040] Combine Figure 3 and Figure 4 As shown, in order to precisely control the rotating assembly 32, in some embodiments, the rotating assembly 32 includes a rotating disk 321 and a third drive motor 322. The rotating disk 321 is arranged at the center position of the jacking rotating mechanism 3, and the output end of the third drive motor 322 is connected to the rotating disk 321 to drive the rotating disk 321 to rotate forward and reverse along its central axis; wherein the rotating disk 321 is arranged at the center position of the jacking rotating mechanism 3, which can ensure that the end cover of the traction motor maintains a stable axis during rotation, avoiding offset or uneven rotation during rotation; the third drive motor 322 drives the rotating disk 321 to rotate forward and reverse along its central axis. This bidirectional rotation function allows the rotating disk 321 to adjust different positions of the traction motor as needed, and can flexibly adjust the angle and position of the traction motor to ensure that the bolts of the end covers on both sides can be tightened in sequence.

[0041] like Figure 3As shown, in order to improve the stability of the rotating assembly 32 during rotation, in some embodiments, the rotating assembly 32 further includes a slewing support 323 and a driving gear 324, wherein the slewing support 323 is arranged between the rotating disk 321 and the lifting assembly 31, the slewing support 323 is meshed with the driving gear 324, and the output end of the third driving motor 322 is electrically connected to the driving gear 324, and the third driving motor 322 can drive the driving gear 324 to drive the slewing support 323 to rotate; wherein the slewing support 323 is located between the rotating disk 321 and the lifting assembly 31, providing effective rotation support, reducing The vibration generated during the rotation process is eliminated, and the slewing support 323 can ensure that the rotating disk 321 rotates smoothly around the central axis, avoiding instability or imbalance caused by uneven support or excessive friction, thereby improving the stability and accuracy of the entire system. The slewing support 323 has a strong load capacity and can bear the weight of the rotating disk 321 and the traction motor; the driving gear 324 is engaged with the slewing support to form an efficient power transmission system. The output end of the third drive motor 322 is electrically connected to the driving gear 324, which can transmit power smoothly and accurately, ensuring that the rotating disk 321 rotates in the required positive and negative directions. Figure 4 As shown, further, the lifting and rotating mechanism 3 also includes a speed reducer 325, and the speed reducer 325, the driving gear 324 and the third driving motor 322 are electrically connected; wherein the speed reducer 325 can reduce the output speed of the third driving motor 322 to reduce the speed of the driving gear 324, so that the rotating component 32 can perform fine operations at a lower speed.

[0042] like Figure 3 As shown, in order to increase the stability of the storage unit 2 on the rotating assembly 32, in some embodiments, the rotating assembly 32 further includes at least two positioning protrusions 326, and the at least two positioning protrusions 326 are symmetrically arranged on the rotating disk 321 along the central axis of the rotating disk 321. A positioning hole 21 is opened on the storage unit 2, and the positioning protrusions 326 cooperate with the positioning hole 21 to facilitate the storage unit 2 to be fixed on the rotating disk 321; the cooperation between the positioning protrusions 326 and the positioning holes 21 can ensure the precise positioning of the storage unit 2 on the rotating disk 321, and prevent the storage unit 2 from being displaced or tilted by the centrifugal force during rotation, thereby greatly improving the stability of the storage unit 2 and reducing failures or accidents caused by unstable components. In addition, the above-mentioned assembly method can quickly and accurately fix the storage unit 2 on the rotating disk 321, reducing manual intervention.

[0043] like Figure 1As shown, in some embodiments, the storage element 2 includes a pallet and an AGV shuttle vehicle. The pallet is set on the AGV shuttle vehicle and overlapped with the docking conveying mechanism 4. Since the AGV shuttle vehicle is usually equipped with sensors and automatic control systems, it can accurately control the position so that the pallet can be aligned with the placement position of the traction motor during the docking process, ensuring the accuracy of the docking position and reducing deviations. Therefore, the AGV shuttle vehicle can assist the pallet in docking with the traction motor, making the docking process more stable and smooth. The AGV shuttle vehicle is a prior art and will not be described in detail here.

[0044] The first drive motor 412 , the second drive motor and the third drive motor 322 are all servo motors, etc., which are not specifically limited here.

[0045] The following is the assembly process of the automatic connection conveying and end cover tightening device:

[0046] First, place the traction motor on the object placement unit 2 located on the connecting conveyor mechanism 4;

[0047] Afterwards, the connecting conveying mechanism 4 is started to move toward the lifting and rotating mechanism 3 to convey the placement piece 2 to the rotating assembly 32 of the lifting and rotating mechanism 3;

[0048] Then, the connecting conveying mechanism 4 is closed, and the lifting assembly 31 in the lifting and rotating mechanism 3 is started to lift the object 2 to the height of the tightening station;

[0049] Next, the rotating assembly 32 in the jacking and rotating mechanism 3 is started so that the transmission end face of the traction motor faces the tightening station and the transmission end cover bolts are tightened;

[0050] Then, rotate the rotating assembly 32 drill 180 degrees, and turn the non-drive end face of the traction motor toward the tightening station to tighten the non-drive end face bolts;

[0051] Next, the rotating assembly 32 is rotated back to its original position, and the object placement unit 2 is lowered by the lifting assembly 31 so that the object placement unit 2 falls onto the connecting conveyor assembly;

[0052] Finally, the connecting conveying mechanism 4 is started to run toward the upper feed port, and the object 2 is conveyed back to the feed port position, waiting for the processed traction motor to be transported to the next workstation.

[0053] Obviously, the above-described embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the manner in which the present invention is to be implemented. A person skilled in the art would be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is not necessary and impossible to enumerate all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. Automatic connecting, conveying and end cover tightening device, used to connect and convey the traction motor to the tightening station to complete the tightening of the end cover bolts, characterized by: The automatic connection, conveying and end cover tightening device includes: Rack (1); A storage part (2), the storage part (2) is used to connect the traction motor; A lifting and rotating mechanism (3), the lifting and rotating mechanism (3) is installed on the frame (1) and is located below the tightening station. The lifting and rotating mechanism (3) includes a lifting component (31) and a rotating component (32). The rotating component (32) is arranged on the lifting component (31). The object placement part (2) can be placed on the rotating component (32). The lifting component (31) can drive the object placement part (2) to automatically rise and fall in a vertical direction so that the traction motor can be located at the height of the tightening station. The rotating component (32) can drive the object placement part (2) to automatically rotate forward and reverse along the axis of the lifting and rotating mechanism (3) so that the end covers of each end of the traction motor correspond to the tightening station. A docking conveying mechanism (4) is installed on the frame (1), and the docking conveying mechanism (4) includes a loading port. The docking conveying mechanism (4) can transport the storage element (2) from the loading port to the rotating assembly (32).

2. The automatic connection, conveying and end cap tightening device according to claim 1, characterized in that: The connecting conveying mechanism (4) comprises a conveying assembly (41), the conveying assembly (41) comprising a conveyor belt (411) and a first drive motor (412), the conveyor belt (411) being arranged along the length direction of the frame (1) and distributed on both sides of the lifting and rotating mechanism (3) for conveying the storage element (2); the output end of the first drive motor (412) is connected to the conveyor belt (411) to drive the conveyor belt (411) to operate.

3. The automatic connection, conveying and end cap tightening device according to claim 2, characterized in that: The connecting conveying mechanism (4) further includes a guide member (42), which is symmetrically arranged on both sides of the lifting and rotating mechanism (3) along the conveying direction of the conveyor belt (411) and fixedly connected to the frame (1) for guiding the placement member (2) to move onto the rotating assembly (32).

4. The automatic connection, conveying and end cap tightening device according to claim 3, characterized in that: The guide member (42) includes two guide bars, and each guide bar is provided with a bevel angle at one end close to the object placement member (2). The bevel angle extends from the long side of the guide bar away from the lifting and rotating mechanism (3) and is tangent to the long side of the guide bar close to the lifting and rotating mechanism (3) along the long side of the guide bar.

5. The automatic connection, conveying and end cap tightening device according to claim 1, characterized in that: The jacking assembly (31) comprises a jacking platform (311), a jacking member (312) and a second drive motor. The jacking platform (311) is arranged on the jacking member (312). The rotating assembly (32) is arranged on the jacking platform (311). The output end of the second drive motor is connected to the jacking member (312) to drive the jacking member (312) to drive the jacking platform (311) to move up and down in a vertical direction.

6. The automatic connection, conveying and end cap tightening device according to claim 5, characterized in that: The lifting assembly (31) further includes a synchronous lifting member (313), wherein the synchronous lifting member (313), the lifting member (312) and the second drive motor are electrically connected, and the synchronous lifting member (313) is arranged at each edge position of the lifting platform (311) so that each edge of the lifting platform (311) can be lifted and lowered synchronously.

7. The automatic connection, conveying and end cap tightening device according to claim 1, characterized in that: The rotating assembly (32) comprises a rotating disk (321) and a third drive motor (322); the rotating disk (321) is arranged at the center of the lifting and rotating mechanism (3); the output end of the third drive motor (322) is connected to the rotating disk (321) to drive the rotating disk (321) to rotate forward and reverse along its central axis.

8. The automatic connection, conveying and end cap tightening device according to claim 7, characterized in that: The rotating assembly (32) further includes a rotary support (323) and a driving gear (324); the rotary support (323) is arranged between the rotating disk (321) and the lifting assembly (31); the rotary support (323) is meshedly connected with the driving gear (324); the output end of the third driving motor (322) is electrically connected to the driving gear (324); the third driving motor (322) can drive the driving gear (324) to drive the rotary support (323) to rotate.

9. The automatic connection, conveying and end cap tightening device according to claim 8, characterized in that: The lifting and rotating mechanism (3) further includes a speed reducer (325), and the speed reducer (325), the driving gear (324) and the third driving motor (322) are electrically connected.

10. The automatic connection, conveying and end cap tightening device according to claim 9, characterized in that: The rotating assembly (32) further comprises at least two positioning protrusions (326), and the at least two positioning protrusions (326) are symmetrically arranged on the rotating disk (321) along the central axis of the rotating disk (321). A positioning hole (21) is provided on the object placement piece (2), and the positioning protrusions (326) cooperate with the positioning hole (21) to facilitate the fixing of the object placement piece (2) on the rotating disk (321).

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