Integrated rotary rivet pulling mechanism

Abstract

The utility model discloses an integrated rotary rivet pulling mechanism, which comprises a machine body, and a power motor, a connecting sleeve, a floating transmission rod, a transmission screw rod, a lifting cylinder, a lifting block, a transmission screw sleeve, a rivet pulling screw rod and a limiting screw sleeve which are arranged on the machine body, and the lifting cylinder drives the floating transmission rod to switch between a lower limit and an upper limit; the floating transmission rod is in butt joint with the transmission screw rod and the rivet pulling screw rod in a separable and combined matching mode, the upper end of the transmission screw sleeve is in spiral connection with the transmission screw rod, the lower end of the transmission screw sleeve is in matching connection with the rivet pulling screw rod, and the transmission screw sleeve drives the rivet pulling screw rod to ascend when rotating and lifting. The structure designed by the utility model can complete prefetching and tensioning actions which can only be completed by a more complex and larger mechanism, the structure is more compact and ingenious, and the size can be smaller, so that better operation can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of riveting, in particular to an integrated rotary riveting mechanism. Background Art

[0002] A rivet is a nail-shaped object used to connect two parts (or components) with through holes and a cap at one end. In riveting, the parts are fixed by using its own deformation or interference fit connection.

[0003] The non-core riveting sleeve is a kind of rivet. When using the non-core riveting sleeve, the riveting operation is usually completed by the way of rotation and riveting, so that the riveting sleeve is lifted, rotated and extruded to deform.

[0004] At present, in the rotary riveting operation of the non-core riveting sleeve, the functions of lifting and rotating need to be realized by two mechanisms. The existing problems are: one is the high cost, which brings a heavy burden to enterprises; the other is the large volume, occupying a lot of space and being inconvenient to operate.

[0005] In view of this, how to solve the problems of high cost, large volume and inconvenient operation of the existing lifting and rotating mechanism in the rotary riveting operation of the non-core riveting sleeve has become the research topic of the utility model. Summary of the Utility Model

[0006] The purpose of the utility model is to provide an integrated rotary riveting mechanism to solve the problems of high cost, large volume and inconvenient operation of the existing lifting and rotating mechanism in the rotary riveting operation of the non-core riveting sleeve.

[0007] To achieve the above purpose, the utility model provides an integrated rotary riveting mechanism, which includes a machine body, a power motor, a connecting sleeve, a floating transmission rod, a transmission screw, a lifting cylinder, a lifting block, a transmission nut, a riveting screw and a limiting nut arranged on the machine body.

[0008] The power motor and the lifting cylinder are both fixed on the machine body.

[0009] The rotating shaft of the power motor is fixedly connected with the connecting sleeve, and the floating transmission rod is positioned and connected with the connecting sleeve in a manner that it can slide up and down and rotate synchronously; the telescopic end of the lifting cylinder is fixedly connected with the lifting block, and the lifting block is connected with the floating transmission rod in a matching manner, and the floating transmission rod is driven by the lifting cylinder to switch between the lower limit position and the upper limit position.

[0010] The floating transmission rod is detachably and combinedly connected with the transmission screw and the riveting screw in a matching manner; when the floating transmission rod is at the lower limit position, it is separated from the transmission screw and combined with the riveting screw, and when the floating transmission rod is at the upper limit position, it is combined with the transmission screw and separated from the riveting screw.

[0011] The upper end of the transmission screw sleeve is helically connected to the transmission screw rod, the lower end of the transmission screw sleeve is cooperatively connected to the riveting screw rod, and when the transmission screw sleeve rotates and ascends, it drives the riveting screw rod to rise.

[0012] The limiting screw sleeve is positioned at the lower end of the machine body and sleeved on the peripheral side of the riveting screw rod. The riveting screw rod is arranged at the lower end of the floating transmission rod, and the lower end of the riveting screw rod extends out of the lower surface of the limiting screw sleeve.

[0013] The relevant content of the present utility model is explained as follows:

[0014] 1. In the above technical solution of the present utility model, aiming at the problems existing in the existing centerless riveting sleeve in the rotary riveting operation, such as high cost, large volume, inconvenient operation of the lifting and rotating mechanism, etc., a scheme of using an integrated rotary riveting mechanism to realize the pre-taking and tightening actions is innovatively designed; in this rotary riveting mechanism, a floating transmission rod that can slide up and down and rotate synchronously and is positioned and connected to the connecting sleeve is designed, and the floating transmission rod is detachably combined and cooperatively docked with the transmission screw rod and the riveting screw rod, and a lifting cylinder is designed to drive the floating transmission rod to switch between the lower limit position and the upper limit position. When it is necessary to pre-take the riveting sleeve, the lifting cylinder extends, and the lifting block moves the floating transmission rod to the lower limit position, so that the floating transmission rod is combined with the riveting screw rod. The power motor rotates to drive the connecting sleeve, the floating transmission rod, and the riveting screw rod to rotate, so as to pre-take the riveting sleeve onto the riveting screw rod; when it is necessary to tighten the riveting sleeve, the lifting cylinder retracts, and the lifting block moves the floating transmission rod to the upper limit position, so that the floating transmission rod is combined with the transmission screw rod. The power motor rotates to drive the transmission screw rod to rotate, and the transmission screw rod then rotates and lifts the transmission screw sleeve. The transmission screw sleeve drives the riveting screw rod and the riveting sleeve pre-taken by the riveting screw rod to rise. Due to the limitation of the limiting screw sleeve, the pre-taken riveting sleeve is extruded and deformed to complete the riveting; in this way, the pre-taking and tightening actions that require a more complex and larger mechanism to complete are completed. The structure is more compact and ingenious, the volume can be made smaller, and thus it can also be better operated.

[0015] 2. In the above technical solution, the rotary riveting mechanism further includes an outer sheath located at the lower end of the machine body. The outer sheath is threadedly connected to the limiting screw sleeve. At the same time, components such as the floating transmission rod, the transmission screw rod, the lifting cylinder, the lifting block, the transmission screw sleeve, and the riveting screw rod are all located inside the outer sheath, so as to provide effective support and protection and improve stability and reliability.

[0016] 3. In the above technical solution, in order to reduce the torque when taking the riveting nut and prevent the screw from deforming, the lower surface of the floating transmission rod and the surface of the riveting screw rod are docked through a tooth-shaped meshing structure.

[0017] 4. In the above technical solution, the lifting block has an embedding part, and an embedding groove is correspondingly arranged on the peripheral side of the floating transmission rod for the embedding part. The embedding part is embedded in the embedding groove, and the embedding part can move around the peripheral side of the floating transmission rod in the embedding groove so that the embedding part is not interfered when the floating transmission rotates synchronously with the connecting sleeve.

[0018] 5. In the above technical solution, the lifting block is an L-shaped block structure, which is convenient for structural layout and further reduces the volume of components.

[0019] 6. In the above technical solution, the upper part of the floating transmission rod is a polygonal structure or an elliptical structure, and a docking hole matching the upper part of the floating transmission rod for the up and down sliding and synchronous rotation of the floating transmission rod is correspondingly arranged at the lower part of the connecting sleeve, so that the floating transmission rod can be positioned and connected with the connecting sleeve in a reliable and stable manner by sliding up and down and rotating synchronously.

[0020] 7. In the above technical solution, the transmission screw is sleeved on the peripheral side of the floating transmission rod, a combining part is arranged above the embedding groove on the floating transmission rod, and a combining hole is correspondingly arranged at the lower part of the transmission screw for the combining part, so that when the floating transmission rod is at the upper limit position, it is combined with the transmission screw, and thus the power motor drives the connecting sleeve, the floating transmission rod, and the transmission screw to rotate in sequence, and the rotation of the transmission screw drives the limit screw sleeve to lift upward.

[0021] 8. In the above technical solution, the lower end of the transmission screw sleeve is arranged on an upward lifting action surface, and a downward lifting passive surface is correspondingly arranged on the peripheral side of the upper part of the riveting screw for the lifting action surface, so that when the transmission screw sleeve is rotated and lifted, the riveting screw is driven to lift.

[0022] 9. In the present utility model, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection", "fixation" and the like shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral body; it may be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0023] 10. In the present utility model, the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "axial direction", "bottom", "inner", "outer" and the like is the orientation or positional assembly relationship based on the orientation or position shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present application.

[0024] 11. In addition, terms such as "first", "second", etc. are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of this application, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0025] Due to the application of the above solution, the present utility model has the following advantages and effects compared with the prior art:

[0026] In view of the problems existing in the prior art of the centerless rivet sleeve during the rotary riveting operation, such as high cost, large volume, inconvenient operation, etc. of the lifting and rotating mechanism, the present utility model innovatively designs a solution that uses an integrated rotary riveting mechanism to achieve the pre-taking and tightening actions; in this rotary riveting mechanism, a floating transmission rod that can slide up and down and rotate synchronously and is positioned and connected to the connecting sleeve is designed, and the floating transmission rod is detachably combined and docked with the transmission screw rod and the riveting screw rod, and it is designed that the floating transmission rod is driven by the lifting cylinder to switch between the lower limit position and the upper limit position. When it is necessary to pre-take the rivet sleeve, the lifting cylinder extends, and the lifting block moves the floating transmission rod to the lower limit position, so that the floating transmission rod is combined with the riveting screw rod. The power motor rotates to drive the connecting sleeve, the floating transmission rod, and the riveting screw rod to rotate, so as to pre-take the rivet sleeve onto the riveting screw rod; when it is necessary to tighten the rivet sleeve, the lifting cylinder retracts, and the lifting block moves the floating transmission rod to the upper limit position, so that the floating transmission rod is combined with the transmission screw rod. The power motor rotates to drive the transmission screw rod to rotate, and the transmission screw rod then rotates and lifts the transmission nut sleeve. The transmission nut sleeve drives the riveting screw rod and the rivet sleeve pre-taken by the riveting screw rod to lift. Due to the limitation of the limit nut sleeve, the pre-taken rivet sleeve is extruded and deformed to complete the riveting; in this way, the pre-taking and tightening actions that require a more complex and larger mechanism to complete are completed. The structure is more compact and ingenious, and the volume can be made smaller, so it can also be better operated. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a three-dimensional structural schematic diagram of an embodiment of the present utility model;

[0028] Figure 2 is a front view of the embodiment of the present utility model when pre-taking the rivet sleeve;

[0029] Figure 3 is Figure 2 a schematic diagram of the cross-section taken along the line A-A in

[0030] Figure 4 is Figure 3 a partially enlarged schematic diagram in

[0031] Figure 5 This is the front view of the embodiment of the present utility model when tightening the riveting sleeve;

[0032] Figure 6 is Figure 5 the schematic diagram of the B-B cross-section in

[0033] Figure 7 is Figure 6 the partial enlarged schematic diagram in

[0034] The parts of the above drawings are shown as follows:

[0035] 1 Power motor

[0036] 2 Connecting sleeve

[0037] 21 Docking hole

[0038] 3 Floating transmission rod

[0039] 31 Embedding groove

[0040] 32 Tooth-shaped meshing structure

[0041] 33 Joint part

[0042] 4 Transmission screw

[0043] 41 Joint hole

[0044] 5 Lifting cylinder

[0045] 6 Lifting block

[0046] 61 Embedding part

[0047] 7 Transmission nut

[0048] 71 Lifting action surface

[0049] 8 Riveting screw

[0050] 81 Lifting passive surface

[0051] 9 Limit nut

[0052] 10 Outer sheath

[0053] 11 Body. Specific implementation mode

[0054] To make the above objects, features, and advantages of the present application more apparent and understandable, the following provides a detailed description of the specific embodiments of the present application with reference to the accompanying drawings. Many specific details are set forth in the following description to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0055] As Figures 1 to 7 shown, in the first embodiment of the present utility model, an integrated rotary riveting mechanism is proposed. The rotary riveting mechanism includes a machine body 11, a power motor 1, a connecting sleeve 2, a floating transmission rod 3, a transmission screw 4, a lifting cylinder 5, a lifting block 6, a transmission nut 7, a riveting screw 8, and a limiting nut 9 provided on the machine body 11.

[0056] The power motor 1 and the lifting cylinder 5 are both fixed on the machine body 11.

[0057] The rotating shaft of the power motor 1 is fixedly connected to the connecting sleeve 2, and the floating transmission rod 3 is positioned and connected to the connecting sleeve 2 in a manner that allows for up and down sliding and synchronous rotation; the telescopic end of the lifting cylinder 5 is fixedly connected to the lifting block 6, and the lifting block 6 is cooperatively connected to the floating transmission rod 3, and the floating transmission rod 3 is driven by the lifting cylinder 5 to switch between a lower limit position and an upper limit position.

[0058] The floating transmission rod 3 is detachably and cooperatively docked with the transmission screw 4 and the riveting screw 8; and when the floating transmission rod 3 is at the lower limit position, it is separated from the transmission screw 4 and combined with the riveting screw 8, and when the floating transmission rod 3 is at the upper limit position, it is combined with the transmission screw 4 and separated from the riveting screw 8.

[0059] The upper end of the transmission nut 7 is helically connected to the transmission screw 4, the lower end of the transmission nut 7 is cooperatively connected to the riveting screw, and when the transmission nut 7 rotates and ascends, it drives the riveting screw to rise.

[0060] When implementing the embodiment of the present utility model, the following steps can be referred to:

[0061] I. Pre-take the riveting sleeve:

[0062] When it is necessary to pre-take the riveting sleeve, referring to Figures 2 to 4 , the lifting cylinder 5 extends, the lifting block 6 moves the floating transmission rod 3 to the lower limit position, causing the floating transmission rod 3 to be combined with the riveting screw 8, and the power motor 1 rotates to drive the connecting sleeve 2, the floating transmission rod 3, and the riveting screw 8 to rotate, thereby pre-taking the riveting sleeve onto the riveting screw 8.

[0063] II. Tighten the riveting sleeve:

[0064] When it is necessary to tighten the rivet sleeve, refer to Figures 5 to 7 , the lifting cylinder 5 retracts, the lifting block 6 moves the floating transmission rod 3 to the upper limit position, so that the floating transmission rod 3 is combined with the transmission screw rod 4. The power motor 1 rotates to drive the transmission screw rod 4 to rotate, and the transmission screw rod 4 then rotates and lifts the transmission nut 7. The transmission nut 7 drives the rivet screw rod and the rivet sleeve pre-taken by the rivet screw rod to be lifted. Due to the restriction of the limit nut 9, the pre-taken rivet sleeve is extruded and deformed to complete the riveting.

[0065] Through the implementation of the embodiments of the present utility model, in view of the problems existing in the existing centerless rivet sleeve in the rotary riveting operation, such as high cost, large volume, inconvenient operation, etc. of the lifting and rotating mechanism, a solution is innovatively designed to use an integrated rotary riveting mechanism to realize the pre-taking and tightening actions; in this rotary riveting mechanism, a floating transmission rod 3 that can slide up and down and rotate synchronously and is positioned and connected to the connecting sleeve 2 is designed, and the floating transmission rod 3 is detachably combined and docked with the transmission screw rod 4 and the rivet screw rod 8. And a lifting cylinder 5 is designed to drive the floating transmission rod 3 to switch between the lower limit position and the upper limit position. When it is necessary to pre-take the rivet sleeve, the lifting cylinder 5 extends, and the lifting block 6 moves the floating transmission rod 3 to the lower limit position, so that the floating transmission rod 3 is combined with the rivet screw rod 8. The power motor 1 rotates to drive the connecting sleeve 2, the floating transmission rod 3, and the rivet screw rod 8 to rotate, so as to pre-take the rivet sleeve onto the rivet screw rod 8; when it is necessary to tighten the rivet sleeve, the lifting cylinder 5 retracts, and the lifting block 6 moves the floating transmission rod 3 to the upper limit position, so that the floating transmission rod 3 is combined with the transmission screw rod 4. The power motor 1 rotates to drive the transmission screw rod 4 to rotate, and the transmission screw rod 4 then rotates and lifts the transmission nut 7. The transmission nut 7 drives the rivet screw rod and the rivet sleeve pre-taken by the rivet screw rod to be lifted. Due to the restriction of the limit nut 9, the pre-taken rivet sleeve is extruded and deformed to complete the riveting; in this way, the pre-taking and tightening actions that require a more complex and larger mechanism to complete are completed. The structure is more compact and ingenious, the volume can be made smaller, and thus it can be better operated.

[0066] In the embodiment of the present utility model, the rotary riveting mechanism further includes an outer sheath 10 located at the lower end of the machine body 11. The outer sheath 10 is threadedly connected to the limit nut 9. At the same time, components such as the floating transmission rod 3, the transmission screw rod 4, the lifting cylinder 5, the lifting block 6, the transmission nut 7, and the rivet screw rod 8 are all located inside the outer sheath 10, so as to provide effective support and protection and improve stability and reliability.

[0067] In the embodiment of the present utility model, in order to reduce the torque when taking the rivet nut and prevent the screw from deforming, the lower surface of the floating transmission rod 3 and the surface of the rivet screw rod 8 are docked through a tooth-shaped meshing structure 32.

[0068] In the embodiment of the present utility model, the lifting block 6 has an embedding part 61. An embedding groove 31 is correspondingly arranged on the peripheral side of the floating transmission rod 3 for the embedding part 61. The embedding part 61 is embedded in the embedding groove 31 and can move around the peripheral side of the floating transmission rod 3 in the embedding groove 31, so that the embedding part 61 is not interfered when the floating transmission rotates synchronously with the connecting sleeve 2. Further, the lifting block 6 is an L-shaped block structure, which is convenient for structural layout and further reduces the volume of components.

[0069] In the embodiment of the present utility model, the upper part of the floating transmission rod 3 is a polygonal structure or an elliptical structure. The lower part of the connecting sleeve 2 is correspondingly provided with a docking hole 21 that matches the upper part of the floating transmission rod 3 for the floating transmission rod 3 to slide up and down and rotate synchronously, so that the floating transmission rod 3 can be positioned and connected to the connecting sleeve 2 in a slidable and synchronous rotation manner, which is reliable and stable.

[0070] In the embodiment of the present utility model, the transmission screw 4 is sleeved on the peripheral side of the floating transmission rod 3. A combining part 33 is arranged above the embedding groove 31 on the floating transmission rod 3. A combining hole 41 is correspondingly arranged on the lower part of the transmission screw 4 for the combining part 33, so that when the floating transmission rod 3 is at the upper limit position, it is combined with the transmission screw 4. Thus, the power motor 1 drives the connecting sleeve 2, the floating transmission rod 3, and the transmission screw 4 to rotate in sequence, and the rotation of the transmission screw 4 drives the limit screw sleeve 9 to lift upward.

[0071] In the embodiment of the present utility model, the lower end of the transmission screw sleeve 7 is provided with an upward lifting action surface 71. The peripheral side of the upper part of the riveting screw is correspondingly provided with a downward lifting passive surface 81 for the lifting action surface 71, so that when the transmission screw sleeve 7 is rotated and lifted, the riveting screw is driven to lift.

[0072] Next, the solution of the present utility model will be introduced with a specific detailed embodiment.

[0073] In an integrated rotary riveting mechanism in this detailed embodiment, the rotary riveting mechanism includes a machine body 11 and a power motor 1, a connecting sleeve 2, a floating transmission rod 3, a transmission screw 4, a lifting cylinder 5, a lifting block 6, a transmission screw sleeve 7, a riveting screw 8, a limit screw sleeve 9, and an outer sheath 10 arranged on the machine body 11.

[0074] In this detailed embodiment, the rotating shaft of the power motor 1 is fixedly connected to the connecting sleeve 2. The floating transmission rod 3 is positioned and connected to the connecting sleeve 2 in a slidable and synchronous rotation manner; the upper part of the floating transmission rod 3 is a polygonal structure or an elliptical structure, and the lower part of the connecting sleeve 2 is correspondingly provided with a docking hole 21 that matches the upper part of the floating transmission rod 3 for the floating transmission rod 3 to slide up and down and rotate synchronously.

[0075] In this detailed embodiment, the floating transmission rod 3 is detachably and combinably fitted and butted with the transmission screw rod 4 and the riveting screw rod 8; and when the floating transmission rod 3 is at the lower limit position, it is separated from the transmission screw rod 4 and combined with the riveting screw rod 8, and when the floating transmission rod 3 is at the upper limit position, it is combined with the transmission screw rod 4 and separated from the riveting screw rod 8; the lower surface of the floating transmission rod 3 and the surface of the riveting screw rod 8 are butted through a tooth-shaped meshing structure 32. The transmission screw rod 4 is sleeved on the periphery of the floating transmission rod 3, a combining part 33 is arranged above the embedding groove 31 on the floating transmission rod 3, and a combining hole 41 is correspondingly arranged at the lower part of the transmission screw rod 4 corresponding to the combining part 33. The lower end of the transmission screw sleeve 7 is provided with an upward pulling action surface 71, and a downward pulling passive surface 81 is correspondingly arranged on the periphery of the upper part of the riveting screw rod corresponding to the pulling action surface 71.

[0076] The telescopic end of the pulling cylinder 5 is fixedly connected with the pulling block 6. The pulling block 6 is an L-shaped block structure. The pulling block 6 has an embedding part 61. An embedding groove 31 is correspondingly arranged on the periphery of the floating transmission rod 3 corresponding to the embedding part 61. The embedding part 61 is embedded in the embedding groove 31. The pulling block 6 is cooperatively connected with the floating transmission rod 3, and the floating transmission rod 3 is driven by the pulling cylinder 5 to switch between the lower limit position and the upper limit position.

[0077] The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it accordingly, and it cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. An integrated rotary riveting mechanism, characterized in that: The rotary riveting mechanism comprises a body (11) and a power motor (1) arranged on the body (11), a connecting sleeve (2), a floating transmission rod (3), a transmission screw (4), a lifting cylinder (5), a lifting block (6), a transmission screw sleeve (7), a riveting screw (8), and a limiting screw sleeve (9); wherein: The power motor (1) and the lifting cylinder (5) are both fixed on the machine body (11); The rotating shaft of the power motor (1) is fixedly connected to the connecting sleeve (2), and the floating transmission rod (3) can slide up and down and rotate synchronously to be positioned and connected to the connecting sleeve (2); the telescopic end of the lifting cylinder (5) is fixedly connected to the lifting block (6), and the lifting block (6) is cooperatively connected to the floating transmission rod (3), and the lifting cylinder (5) drives the floating transmission rod (3) to switch between the lower limit position and the upper limit position; The floating transmission rod (3) is detachably coupled to the transmission screw (4) and the rivet screw (8); and when the floating transmission rod (3) is located at the lower limit position, it is separated from the transmission screw (4) and coupled to the rivet screw (8); and when the floating transmission rod (3) is located at the upper limit position, it is coupled to the transmission screw (4) and separated from the rivet screw (8); The upper end of the transmission screw sleeve (7) is spirally connected to the transmission screw rod (4), and the lower end of the transmission screw sleeve (7) is cooperatively connected to the rivet screw rod (8). When the transmission screw sleeve (7) is rotated and lifted, the rivet screw rod (8) is driven to rise. The limiting screw sleeve (9) is positioned at the lower end of the machine body (11) and is sleeved on the circumferential side of the rivet screw (8); the rivet screw (8) is arranged at the lower end of the floating transmission rod (3); and the lower end of the rivet screw (8) extends out of the lower surface of the limiting screw sleeve (9).

2. The integrated rotary riveting mechanism according to claim 1, characterized in that: The rotary riveting mechanism further comprises an outer sleeve (10) located at the lower end of the body (11), and the outer sleeve (10) is threadedly connected to the limiting screw sleeve (9).

3. The integrated rotary riveting mechanism according to claim 1, characterized in that: The lower surface of the floating transmission rod (3) and the surface of the rivet screw (8) are butted against each other via a toothed meshing structure (32).

4. The integrated rotary riveting mechanism according to claim 1, characterized in that: The lifting block (6) has an embedding portion (61), and an embedding groove (31) is provided on the peripheral side of the floating transmission rod (3) corresponding to the embedding portion (61), and the embedding portion (61) is embedded in the embedding groove (31).

5. The integrated rotary riveting mechanism according to claim 4, characterized in that: The lifting block (6) is an L-shaped block structure.

6. The integrated rotary riveting mechanism according to claim 1, characterized in that: The upper portion of the floating transmission rod (3) is a polygonal structure or an elliptical structure, and the lower portion of the connecting sleeve (2) is provided with a corresponding docking hole (21) matching the upper portion of the floating transmission rod (3) and used for the floating transmission rod (3) to slide up and down and rotate synchronously.

7. The integrated rotary riveting mechanism according to claim 4, characterized in that: The transmission screw (4) is sleeved on the circumferential side of the floating transmission rod (3); a coupling portion (33) is provided on the floating transmission rod (3) above the embedding groove (31); and a coupling hole (41) is provided at the lower part of the transmission screw (4) corresponding to the coupling portion (33).

8. The integrated rotary riveting mechanism according to claim 1, characterized in that: The lower end of the transmission screw sleeve (7) is arranged on an upwardly directed lifting action surface (71), and a downwardly directed lifting passive surface (81) is arranged on the circumferential side of the upper portion of the rivet screw rod corresponding to the lifting action surface (71).

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