Riveting equipment for machining riveting nut

Abstract

The invention discloses riveting equipment for machining riveting nuts. The riveting equipment comprises a machine table and a riveting assembly arranged on the machine table. The riveting assembly comprises a riveting main body, riveting plates arranged at the two ends of the riveting main body, a plurality of sliding forming plates which are circumferentially arranged at intervals and are arranged on the riveting plates in a sliding mode, and a driving structure for driving the sliding forming plates to be relatively close to each other, riveting openings allowing nuts to be placed in are formed in the riveting plates, and reset tension springs are arranged on the riveting plates; and the tension spring connecting plate is reset, so that the sliding forming plate always has the movement trend away from the riveting opening. A driving rod is formed on the sliding forming plate, the driving structure comprises a driving cover and a driving module driving the driving cover to slide on the riveting main body in a reciprocating mode, folding cavities allowing the driving rod to be placed in are formed in the two sides of the driving cover, the caliber of each folding cavity is gradually shrunk in the placing direction, and the driving rod slides along the cavity wall of each folding cavity. Therefore, the sliding forming plates are relatively close to each other and extrude the nuts.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bolt processing equipment, and particularly relates to a riveting equipment for processing riveting nuts. BACKGROUND

[0002] In the existing mechanical assembly field, threaded fasteners are widely used in various types of equipment, but traditional threaded connections are prone to loosening failure under vibration, impact or alternating load conditions, resulting in structural safety hazards. Existing anti-loosening measures (such as spring washers, double nuts or thread glue) have limitations such as high maintenance cost, poor temperature resistance or bulk redundancy, especially in high-load, high-vibration environments (such as automobile chassis, aviation components or industrial equipment). Therefore, it is necessary to produce mechanical deformation of the nut through the riveting process to form an irreversible interlock with the bolt, thereby eliminating the risk of loosening, and in the prior art, the nut is generally welded on the bolt by a riveting equipment.

[0003] For example, a clamping mechanism and a clamping machine disclosed in CN210676668U, comprising: a door-shaped frame and a clamping seat, the clamping seat is arranged inside the door-shaped frame and is in sliding connection with the door-shaped frame; the door-shaped frame and the clamping seat define a clamping slider accommodating space; the clamping seat is connected with the driving device through the opening of the door-shaped frame, and under the driving of the driving device, the clamping slider is contracted or expanded.

[0004] The existing riveting equipment can only perform single riveting, and during the expansion process of the clamping slider, the entire equipment is in a suspended state of processing, resulting in low production efficiency. SUMMARY

[0005] To solve the technical problems in the background art, the present application provides a riveting equipment for processing riveting nuts.

[0006] The technical scheme adopted by the present application to solve the technical problems is as follows: A riveting equipment for processing riveting nuts, comprising a machine table and a riveting assembly arranged on the machine table; The riveting assembly comprises a riveting body, riveting plates arranged at both ends of the riveting body, a plurality of circumferentially spaced sliding forming plates arranged on the riveting plates and slidingly arranged on the riveting plates, and a driving structure for driving the sliding forming plates to move towards each other, the riveting plates form a riveting port for placing a nut, and a return tension spring is arranged on the riveting plate, and the return tension spring is connected with a return tension spring connecting plate, so that the sliding forming plates always have a movement tendency away from the riveting port.

[0007] The driving rod is arranged on the slide forming plate, the driving structure comprises a driving cover, a driving module for driving the driving cover to reciprocate on the riveting body, converging cavities for the driving rod to be arranged on both sides of the driving cover, the converging cavities gradually shrink along the arrangement direction, the driving rod slides along the cavity wall of the converging cavities, so that the slide forming plate is relatively close and the nut is extruded.

[0008] Preferably, a detachable limiting column is arranged in the converging cavity, the driving rod abuts against the outer periphery of the limiting column to limit the continuous sliding of the limiting column, and through the above improvement, the limiting column with different outer diameters is set according to requirements, so that nuts with different sizes are matched, and the slide stroke is prevented from being too large to cause excessive extrusion on the nut.

[0009] Preferably, the riveting plate comprises a connecting mounting plate and a limiting plate, the mounting plate is provided with a slide groove, the slide forming plate is slidably arranged in the slide groove, and the limiting plate is arranged in the slide groove to limit the slide forming plate from separating from the slide groove, and the slide groove is provided with a guide groove for the driving rod to slide, through the above improvement, the mounting plate and the limiting plate are matched to prevent the slide forming plate from separating from the mounting plate, the reliability of the installation of the slide forming plate is ensured, the slide forming plate is arranged in the slide groove to improve the stability of the slide forming plate in the sliding process, and the driving rod is arranged in the guide groove to prevent the driving rod from deviating, and the stability of the slide forming plate in the sliding process is further improved.

[0010] Preferably, the limiting plate is provided with a dismounting groove for the slide forming plate, and a limiting block is embedded in the dismounting groove, the limiting block is connected with the mounting plate, the limiting block is provided with a connecting convex part connected with the mounting plate, the slide forming plate is provided with a connecting hook, one end of the reset spring is fixed on the connecting convex part, and the other end is connected with the connecting hook, through the above improvement, the limiting block and the reset spring are matched to make the slide forming plate always have a movement trend of moving away from the riveting port, and when the spring or the forming limiting plate needs to be replaced, the limiting block can be directly dismounted from the dismounting groove, and the convenience in the daily maintenance process is greatly improved.

[0011] Preferably, the end of the driving rod is provided with an arc-shaped guide surface and a chromium plating layer, through the above improvement, the arc-shaped guide surface is used to ensure the smoothness of the sliding process of the driving rod, and the chromium plating layer greatly increases the structural strength and service life of the driving rod.

[0012] Preferably, the machine is also provided with a feeding assembly, which comprises a screw conveying structure for screw feeding, a screwing structure for screwing the screw and the nut, and a transfer structure for transporting the screw, through the above improvements, in the whole process of connecting the screw and the nut, the nut is placed on the screwing structure by artificial or mechanical hand, the screw is conveyed to the screwing structure by the screw conveying structure, the screw is transferred to the screwing structure by the transfer structure, the nut is screwed to the screw by the screwing structure, and finally the connected screw is inserted into the riveting assembly by the transfer structure for riveting, so that the nut is riveted on the screw, which greatly improves the riveting efficiency compared with artificial screwing of the nut and the screw thread and placing the nut on the riveting assembly for riveting.

[0013] Preferably, the screw conveying structure comprises a feeding bin for storing the screw, a lifting plate group movably arranged in the feeding bin, a first screw conveying line connected with the discharge end of the lifting plate group, and a receiving table for connecting the first screw conveying line, the lifting plate group comprises a plurality of supporting plates, a plurality of jacking plates staggered with the supporting plates, and a driving unit for driving the jacking plates to move, through the above improvements, the driving unit drives the jacking plates to move up and down, so that the screw in the feeding bin is gradually lifted to the first screw conveying line, and the screw is conveyed to the receiving table by the first screw conveying line, realizing automatic feeding of the screw.

[0014] Preferably, the screwing structure comprises a bearing table for placing the screw, a rotating seat for placing the nut, and a driving seat for driving the rotating seat to rotate, the rotating seat comprises a placing groove for placing the nut, the placing groove comprises a through hole for the screw to pass through, the bearing table is provided with a clamping unit for clamping the end of the screw, and a pushing unit for driving the clamping unit to move towards the rotating seat, through the above improvements, the nut is placed on the rotating seat by artificial, the screw on the receiving table is placed on the bearing table by the conveying structure, the end of the screw is clamped by the clamping unit, and the tail of the screw is inserted into the nut by the pushing unit, the rotating seat is driven to rotate by the driving seat, the screw is gradually pushed into the nut by the pushing unit until the nut and the end of the screw abut, realizing the screwing of the nut and the screw, after the connection is completed, the clamping unit is pulled back to the bearing table by the pushing unit, which greatly improves the production efficiency compared with artificial manual screwing of the nut.

[0015] Preferably, the conveying structure comprises a first clamping part for conveying the screw, a first conveying module for driving the first clamping part to move and rotate, a second screw conveying line for conveying the assembled screw and nut, a second clamping part for clamping the assembled screw and nut, and a second conveying module for driving the second clamping part to move and rotate, and the first conveying module is provided with a visual detection structure for detecting the placement angle of the screw. Through the above improvement, the first conveying module drives the first clamping part to move, the visual detection structure judges the placement angle of the screw on the receiving table, the first clamping part clamps the screw and adjusts it to the specified angle, and places it on the bearing table, when the nut and the screw are connected, the first clamping part places the screw on the second screw conveying line, the second conveying module drives the second clamping part to insert the screw into the riveting assembly for riveting, and after riveting, the second clamping part discharges, which greatly improves the production efficiency and reduces the labor intensity of the workers.

[0016] Preferably, the bearing table is provided with a supporting structure, the supporting structure comprises a supporting block and a lifting unit for driving the supporting block to move up and down, and the supporting block is provided with a supporting groove for placing the screw, through the above improvement, the screw comprises a nut part and a rod part, the rod part is placed in the supporting groove, so that the rod part can be better aligned with the nut to ensure the accuracy during the assembly of the screw and the nut.

[0017] Compared with the prior art, the present application has the following advantages and beneficial effects: The driving module drives the driving cover to slide back and forth repeatedly, the driving rods are placed in the driving cover and slide along the folding cavity, so that the sliding forming plates are relatively folded and the nut is riveted, and the two sliding forming plates are automatically reset by the reset tension spring, which saves the reset waiting time after single riveting of the traditional equipment, realizes the cycle operation of "riveting-reset-riveting", and greatly improves the production efficiency compared with the existing riveting mode, and the two sliding forming plates are synchronously extruded by the folding cavity to avoid the metal part deflection or deformation caused by single side stress, improve the riveting concentricity, and the folding cavity design of the driving cover ensures that all the driving rods move along the same trajectory, so that the extrusion stroke and angle of the multiple groups of sliding forming plates are consistent, and the riveting quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic structural view of the whole of the present application; Figure 2 It is a schematic structural view of the riveting assembly of the present application; Figure 3 It is an exploded view of the riveting assembly of the present application; Figure 4 It is a schematic structural view of the inside of the riveting body of the present application; Figure 5A sectional view of the riveting assembly of the present application; Figure 6 A structural schematic view of the sliding forming plate cooperating with the sliding groove of the present application; Figure 7 A structural schematic view of the feeding assembly of the present application; Figure 8 A structural schematic view of the screw rod conveying structure of the present application; Figure 9 A structural schematic view of the screwing structure of the present application; Figure 10 A structural schematic view of the screwing structure of the present application from another angle; Figure 11 A structural schematic view of the transfer structure cooperating with the riveting assembly of the present application; In the figure: 1, machine table; 2, riveting assembly; 3, feeding assembly; 4, nut; 5, screw rod; 1.1, riveting main body; 1.2, riveting plate; 1.3, sliding forming plate; 1.4, driving structure; 1.5, riveting port; 1.6, reset tension spring; 2.1, driving rod; 2.2, driving cover; 2.3, driving module; 2.4, folding cavity; 2.5, limiting column; 3.1, mounting plate; 3.2, limiting plate; 3.3, sliding groove; 3.4, guide groove; 3.5, dismounting groove; 3.6, limiting block; 3.7, connecting convex part; 3.8, connecting hook; 3.9, arc-shaped guide surface; 3.10, riveting guide seat; 4.1, screw rod conveying structure; 4.2, screwing structure; 4.3, transfer structure; 5.1, feeding bin; 5.2, lifting plate set; 5.3, first screw rod conveying line; 5.4, receiving table; 5.5, supporting plate; 5.6, jacking plate; 5.7, driving unit; 6.1, bearing table; 6.2, rotating seat; 6.3, driving seat; 6.4, placing groove; 6.5, through hole; 6.6, clamping unit; 6.7, pushing unit; 7.1, first clamping part; 7.2, first conveying module; 7.3, second screw rod conveying line; 7.4, second clamping part; 7.5, second conveying module; 7.6, visual detection structure; 8.1, supporting structure; 8.2, supporting block; 8.3, lifting unit; 8.4, supporting groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0020] It should be understood that although the terms upper, middle, lower, top end, one end, etc. appear herein to describe various elements, these elements are not limited by these terms. These terms are only used to distinguish the elements from each other for the purpose of understanding, and are not used to define any restriction in direction or sequence.

[0021] As shown in Figures 1-11 A riveting device for processing riveting nuts 4, comprising a machine table 1, and a riveting assembly 2 arranged on the machine table 1.

[0022] Specifically, the riveting assembly 2 comprises a riveting body 1.1, riveting plates 1.2 arranged at both ends of the riveting body 1.1, a plurality of sliding forming plates 1.3 arranged at intervals around the circumference and slidingly arranged on the riveting plates 1.2, and a driving structure 1.4 for driving the sliding forming plates 1.3 to relatively approach each other. The riveting plates 1.2 form a riveting opening 1.5 for placing the nuts 4, and a reset tension spring 1.6 is arranged on the riveting plates 1.2. The reset tension spring 1.6 is connected to the plates so that the sliding forming plates 1.3 always have a tendency to move away from the riveting opening 1.5. The driving structure 1.4 acts on the sliding forming plates 1.3 to relatively approach each other, so as to rivet the nuts 4 in the riveting opening 1.5 and fix them on the screw 5. After riveting is completed, the sliding forming plates 1.3 are automatically reset under the action of the reset tension spring 1.6.

[0023] Further, the sliding forming plates 1.3 are provided with driving rods 2.1, the driving structure 1.4 comprises a driving cover 2.2, and a driving module 2.3 for driving the driving cover 2.2 to reciprocally slide on the riveting body 1.1. The driving cover 2.2 is provided with converging cavities 2.4 on both sides for placing the driving rods 2.1. The caliber of the converging cavities 2.4 gradually shrinks along the placing direction. The driving rods 2.1 slide along the cavity walls of the converging cavities 2.4, so as to relatively approach the sliding forming plates 1.3 and press the nuts 4.

[0024] The driving module 2.3 drives the driving cover 2.2 to repeatedly slide back and forth, so that the driving rods 2.1 are placed into the driving cover 2.2 and slide along the converging cavities 2.4, thereby relatively approaching the sliding forming plates 1.3 and riveting the nuts 4. The sliding forming plates 1.3 on both sides are automatically reset by the reset tension spring 1.6, which saves the reset waiting time after single riveting of the traditional equipment, realizes the cycle operation of "riveting-reset-riveting", and greatly improves the production efficiency compared with the existing riveting mode. Moreover, the sliding forming plates 1.3 are synchronously pressed against the nuts 4 by the converging cavities 2.4, which avoids the metal part from being deflected or deformed due to unilateral force, improves the riveting concentricity, and ensures that all the driving rods 2.1 move along the same trajectory by the design of the converging cavities 2.4 of the driving cover 2.2, so that the pressing stroke and angle of the multiple groups of sliding forming plates 1.3 are consistent, thereby improving the riveting quality.

[0025] As shown in Figure 4 ,Figure 5 As further explanation of the specific structure of the driving cover 2.2, a detachable limiting column 2.5 is arranged in the folding cavity 2.4. During the riveting process, the driving rod 2.1 abuts against the outer periphery of the limiting column 2.5 to limit the continuous sliding of the limiting column 2.5, thereby avoiding excessive sliding stroke and excessive extrusion of the nut 4.

[0026] In addition, the limiting column 2.5 with different outer diameters is set according to requirements, so as to match nuts 4 with different sizes.

[0027] The fixing connecting column is arranged in the folding cavity 2.4, and the fixing connecting column is threadedly connected with the limiting column 2.5, so as to realize quick installation and disassembly of the limiting column 2.5.

[0028] As further explanation of the specific structure of the driving cover 2.2, a detachable limiting column 2.5 is arranged in the folding cavity 2.4. During the riveting process, the driving rod 2.1 abuts against the outer periphery of the limiting column 2.5 to limit the continuous sliding of the limiting column 2.5, thereby avoiding excessive sliding stroke and excessive extrusion of the nut 4. Figures 2 to 6 As further explanation of the specific structure of the driving cover 2.2, a detachable limiting column 2.5 is arranged in the folding cavity 2.4. During the riveting process, the driving rod 2.1 abuts against the outer periphery of the limiting column 2.5 to limit the continuous sliding of the limiting column 2.5, thereby avoiding excessive sliding stroke and excessive extrusion of the nut 4.

[0029] Specifically, the installation plate 3.1 and the limiting plate 3.2 are matched to avoid the sliding forming plate 1.3 from separating from the installation plate 3.1, to ensure the reliability of installation of the sliding forming plate 1.3, and the sliding forming plate 1.3 is arranged in the sliding groove 3.3, thereby improving the stability of the sliding forming plate 1.3 during the sliding process. Further, the guiding groove 3.4 for the sliding of the driving rod 2.1 is arranged in the sliding groove 3.3, the driving rod 2.1 is arranged in the guiding groove 3.4 to avoid deviation of the driving rod 2.1, thereby further improving the stability of the sliding forming plate 1.3 during the sliding process.

[0030] In addition, the disassembly groove 3.5 for exposing the sliding forming plate 1.3 is arranged on the limiting plate 3.2, the limiting block 3.6 is embedded in the disassembly groove 3.5, the limiting block 3.6 is connected with the installation plate 3.1, the connecting convex part 3.7 connected with the installation plate 3.1 is arranged on the limiting block 3.6, the connecting hook 3.8 is formed on the sliding forming plate 1.3, one end of the reset tension spring 1.6 is fixed on the connecting convex part 3.7, and the other end is connected with the connecting hook 3.8, the limiting block 3.6 and the reset tension spring 1.6 are matched, so that the sliding forming plate 1.3 always has a movement trend of moving away from the riveting port 1.5, and when the spring or the forming limiting plate 3.2 needs to be replaced, the limiting block 3.6 can be directly disassembled from the disassembly groove 3.5, thereby greatly improving the convenience during daily maintenance and repair.

[0031] As Figure 4 , Figure 5 shown, as further explanation of the embodiment of the drive rod 2.1, the drive rod 2.1 is integrally formed on the sliding forming plate 1.3, thereby ensuring the structural strength of the drive rod 2.1.

[0032] Further, the end of the drive rod 2.1 is configured as an arc-shaped guide surface 3.9, and is provided with a chrome plating layer. The arc-shaped guide surface 3.9 is used to ensure the smoothness of the drive rod 2.1 during sliding, and greatly increases the structural strength and service life of the drive rod 2.1.

[0033] As preferred, the limiting plate 3.2 is provided with a riveting guide seat 3.10, which provides guidance to the screw rod 5 during riveting, thereby improving the accuracy of the insertion of the screw rod 5.

[0034] As Figures 7 to 11 shown, as further explanation of the feeding of the nut 4 and the screw rod 5, the nut 4 needs to be screwed onto the screw rod 5 before the riveting operation is performed, so that the nut 4 is threadedly connected to the top of the screw rod 5.

[0035] Specifically, the machine table 1 is further provided with a feeding assembly 3, which includes a screw rod conveying structure 4.1 for feeding the screw rod 5, a screwing structure 4.2 for screwing the screw rod 5 with the nut 4, and a transfer structure 4.3 for transporting the screw rod 5.

[0036] During the entire feeding process of the screw rod 5 and the nut 4, the nut 4 is first placed on the screwing structure 4.2 by manual or mechanical hand, and then the screw rod 5 is conveyed by the screw rod conveying structure 4.1, and then the screw rod 5 is placed on the screwing structure 4.2 by the transfer structure 4.3, and the nut 4 is screwed onto the screw rod 5 by the screwing structure 4.2, and finally the connected screw rod 5 is inserted into the riveting assembly 2 by the transfer structure 4.3 for riveting, so that the nut 4 is riveted on the screw rod 5. Compared with manually screwing the nut 4 with the screw rod 5 and placing them on the riveting assembly 2 for riveting, the riveting efficiency is greatly improved, and the labor intensity of the employees is reduced.

[0037] Further, the screw rod conveying structure 4.1 includes a feeding bin 5.1 for storing the screw rod 5, a lifting plate set 5.2 movably arranged in the feeding bin 5.1, a first screw rod conveying line 5.3 connected to the discharge end of the lifting plate set 5.2, and a receiving table 5.4 for connecting the first screw rod conveying line 5.3.

[0038] The lifting plate group 5.2 includes a plurality of supporting plates 5.5, a plurality of jacking plates 5.6 staggered with the supporting plates 5.5, and a driving unit 5.7 driving the jacking plates 5.6 to move up and down, so as to gradually lift the screw rods 5 in the feeding bin 5.1 to the first screw rod conveying line 5.3, and then convey the screw rods 5 to the receiving table 5.4 through the first screw rod conveying line 5.3, thereby realizing automatic feeding of the screw rods 5.

[0039] The screw connection structure 4.2 includes a bearing table 6.1 for placing the screw rod 5, a rotating seat 6.2 for placing the nut 4, and a driving seat 6.3 driving the rotating seat 6.2 to rotate, the rotating seat 6.2 is provided with a placing groove 6.4 for placing the nut 4, the placing groove 6.4 is provided with a through hole 6.5 for the screw rod 5 to pass through, the bearing table 6.1 is provided with a clamping unit 6.6 for clamping the end of the screw rod 5, and a pushing unit 6.7 driving the clamping unit 6.6 to move towards the rotating seat 6.2, The nut 4 is placed on the rotating seat 6.2 by artificial, the screw rod 5 on the receiving table 5.4 is placed on the bearing table 6.1 by the conveying structure, the end of the screw rod 5 is clamped by the clamping unit 6.6, the tail of the screw rod 5 is inserted into the nut 4 by the pushing unit 6.7, the rotating seat 6.2 is driven to rotate by the driving seat 6.3, the screw rod 5 is gradually pushed into the nut 4 by the pushing unit 6.7 until the nut 4 abuts against the end of the screw rod 5, thereby realizing the screw connection of the nut 4 and the screw rod 5, after the connection is completed, the clamping unit 6.6 pulls the assembled screw rod 5 back to the bearing table 6.1 under the action of the pushing unit 6.7, compared with manually rotating the nut 4, the production efficiency is greatly improved.

[0040] During the connection process of the nut 4 and the screw rod 5, the screw rod 5 passes through the through hole 6.5 until the nut 4 abuts against the end of the screw rod 5, so as to ensure the installation position of the nut 4.

[0041] In addition, the transfer structure 4.3 includes a first clamping part 7.1 for conveying the screw rod 5, a first conveying module 7.2 driving the first clamping part 7.1 to move and rotate, a second screw rod conveying line 7.3 for conveying the assembled screw rod 5 and nut 4, a second clamping part 7.4 clamping the assembled screw rod 5 and nut 4, and a second conveying module 7.5 driving the second clamping part 7.4 to move and rotate, and the first conveying module 7.2 is provided with a visual detection structure 7.6 for detecting the placement angle of the screw rod 5.

[0042] The first conveying module 7.2 and the second conveying module 7.5 comprise a transverse linear module for driving the first clamping part 7.1 and the second clamping part 7.4 to move in multiple axes, a horizontal lifting linear module for driving the first clamping part 7.1 and the second clamping part 7.4 to move up and down, and a rotating unit arranged on the action end of the lifting linear module, the rotating unit being connected with the first clamping part 7.1 and the second clamping part 7.4, so as to drive the first clamping part 7.1 and the second clamping part 7.4 to move and rotate, for conveying the screw rod 5.

[0043] During the whole conveying process, the first clamping part 7.1 is driven by the first conveying module 7.2 to move, the placing angle of the screw rod 5 on the receiving table 5.4 is judged by the visual detection structure 7.6, the screw rod 5 is clamped by the first clamping part 7.1 and adjusted to a specified angle, and then placed on the bearing table 6.1, when the nut 4 is connected with the screw rod 5, the first clamping part 7.1 clamps the screw rod 5 to the second screw conveying line 7.3, the second conveying module 7.5 drives the second clamping part 7.4 to insert the screw rod 5 into the riveting assembly 2 for riveting, and after the riveting is completed, the second clamping part 7.4 is used for discharging, which greatly improves the production efficiency and reduces the labor intensity of the employees.

[0044] As preferred, the machine table 1 is further provided with a discharging conveying line to realize automatic discharging of the screw rod.

[0045] As preferred, the bearing table 6.1 is provided with a supporting structure 8.1, the supporting structure 8.1 comprising a supporting block 8.2 and a lifting unit 8.3 for driving the supporting block 8.2 to move up and down, and a supporting groove 8.4 is formed on the supporting block 8.2 for placing the screw rod 5, the screw rod 5 comprising a cap part and a rod part, the rod part being placed in the supporting groove 8.4, so that the rod part can be better aligned with the nut 4, to ensure the accuracy during the assembly of the screw rod 5 and the nut 4. The specific embodiment is only an explanation of the present application, which is not a limitation of the present application, and those skilled in the art can make modifications to the embodiment without creative contribution after reading the specification, but as long as it is within the scope of the claims of the present application, it is protected by the patent law.

Claims

1. A riveting device for processing riveting nuts, characterized in that, Includes a machine base (1) and a riveting assembly (2) mounted on the machine base (1); The riveting assembly (2) includes a riveting body (1.1), riveting plates (1.2) disposed at both ends of the riveting body (1.1), a plurality of circumferentially spaced sliding forming plates (1.3) slidably disposed on the riveting plates (1.2), and a driving structure (1.4) for driving the sliding forming plates (1.3) to move closer together. The riveting plates (1.2) form a riveting interface (1.5) for inserting a nut (4), and the riveting plates (1.2) are provided with a return spring (1.6). The return spring (1.6) is connected to a plate so that the sliding forming plates (1.3) always have a tendency to move away from the riveting interface (1.5). The sliding forming plate (1.3) is provided with a drive rod (2.1). The drive structure (1.4) includes a drive cover (2.2) and a drive module (2.3) that drives the drive cover (2.2) to slide back and forth on the riveting body (1.1). The drive cover (2.2) has a gathering cavity (2.4) on both sides for the drive rod (2.1) to be inserted. The diameter of the gathering cavity (2.4) gradually shrinks along the insertion direction. The drive rod (2.1) slides along the cavity wall of the gathering cavity (2.4) so ​​that the sliding forming plate (1.3) moves closer together and squeezes the nut (4).

2. The riveting equipment for processing riveting nuts according to claim 1, characterized in that: The gathering cavity (2.4) is provided with a detachable limiting post (2.5), and the driving rod (2.1) abuts against the outer periphery of the limiting post (2.5) to restrict the limiting post (2.5) from continuing to slide.

3. The riveting equipment for processing riveting nuts according to claim 1, characterized in that: The riveting plate (1.2) includes a connecting mounting plate (3.1) and a limiting plate (3.2). The mounting plate (3.1) has a sliding groove (3.3). The sliding forming plate (1.3) is slidably disposed in the sliding groove (3.3). The limiting plate (3.2) covers the sliding groove (3.3) to restrict the sliding forming plate (1.3) from disengaging from the sliding groove (3.3). The sliding groove (3.3) also has a guide groove (3.4) for the drive rod (2.1) to slide.

4. The riveting equipment for processing riveting nuts according to claim 2, characterized in that: The limiting plate (3.2) forms a disassembly groove (3.5) for the exposed sliding forming plate (1.3), and a limiting block (3.6) is embedded in the disassembly groove (3.5). The limiting block (3.6) is connected to the mounting plate (3.1). The limiting block (3.6) forms a connecting protrusion (3.7) that connects to the mounting plate (3.1). A connecting hook (3.8) is formed on the sliding forming plate (1.3). One end of the reset spring (1.6) is fixed on the connecting protrusion (3.7), and the other end is connected to the connecting hook (3.8).

5. The riveting equipment for processing riveting nuts according to claim 1, characterized in that: The end of the drive rod (2.1) forms an arc-shaped guide surface (3.9) and is provided with a chrome plating layer.

6. The riveting equipment for processing riveting nuts according to claim 1, characterized in that: The machine base (1) is also provided with a feeding assembly (3), which includes a screw conveying structure (4.1) for feeding the screw (5), a screw connection structure (4.2) for screwing the screw (5) and the nut (4), and a transfer structure (4.3) for transporting the screw (5).

7. A riveting device for processing riveting nuts according to claim 6, characterized in that: The screw conveyor structure (4.1) includes a feeding bin (5.1) for storing screws (5), a lifting plate group (5.2) movably arranged in the feeding bin (5.1), a first screw conveyor line (5.3) connected to the discharge end of the lifting plate group (5.2), and a receiving platform (5.4) for connecting the first screw conveyor line (5.3). The lifting plate group (5.2) includes several support plates (5.5), several lifting plates (5.6) staggered with the support plates (5.5), and a drive unit (5.7) for driving the lifting plates (5.6) to move.

8. A riveting device for processing riveting nuts according to claim 6, characterized in that: The screw connection structure (4.2) includes a support platform (6.1) for placing the screw (5), a rotating seat (6.2) for placing the nut (4), and a drive seat (6.3) for driving the rotating seat (6.2) to rotate. The rotating seat (6.2) has a placement groove (6.4) for placing the nut (4), and the placement groove (6.4) has a through hole (6.5) for the screw (5) to pass through. The support platform (6.1) is provided with a clamping unit (6.6) for clamping the end of the screw (5) and a pushing unit (6.7) for driving the clamping unit (6.6) to move toward the rotating seat (6.2).

9. A riveting device for processing riveting nuts according to claim 6, characterized in that: The transfer structure (4.3) includes a first clamping part (7.1) for operating the screw (5), a first conveying module (7.2) for driving the first clamping part (7.1) to move and rotate, a second screw conveying line (7.3) for conveying the assembled screw (5) and nut (4), a second clamping part (7.4) for clamping the assembled screw (5) and nut (4), and a second conveying module (7.5) for driving the second clamping part (7.4) to move and rotate. The first conveying module (7.2) is provided with a visual detection structure (7.6) for detecting the placement angle of the screw (5).

10. A riveting device for processing riveting nuts according to claim 8, characterized in that: The support platform (6.1) is provided with a support structure (8.1), which includes a support block (8.2) and a lifting unit (8.3) for driving the support block (8.2) to move up and down. The support block (8.2) is provided with a support groove (8.4) for inserting the screw (5).

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