Feeding device of rivet pulling mechanism

Abstract

The utility model discloses a feeding device of a rivet pulling mechanism, which comprises a fixing assembly, a second sliding assembly fixedly connected with the fixing assembly and a rivet cutting assembly fixedly connected with the second sliding assembly, and the second sliding assembly comprises a guide rail, a second sliding block and a second air cylinder; the second sliding block is slidably connected with the guide rail and slides along the guide rail. The second sliding block is fixedly connected with the nail cutting assembly. The rivet pulling mechanism comprises a controller, the controller is electrically connected with the second air cylinder and controls the second air cylinder to drive the second sliding block to move, and the second sliding block drives the rivet cutting assembly to horizontally move in the direction of the guide rail. The utility model has a more stable structure.

Description

Technical Field

[0001] This utility model relates to the field of riveting equipment technology, and in particular to a feeding device for a riveting mechanism. Background Technology

[0002] Rivet nuts were developed to address the shortcomings of thin metal sheets and tubes, the easy melting of welded nuts, and the easy stripping of internal threads. They can rivet products that require internal threads but do not require welded nuts, providing strong riveting, high efficiency, and ease of use.

[0003] With the development of industrial technology, the manufacturing of parts is becoming increasingly convenient and automated, especially for parts and basic hardware. Due to the simple processes and large quantities involved, automated mechanical production is necessary to meet production demands. Currently, most technologies use a rotary cylinder connected to a material handling platform. The platform is rotated from below the feed pipe to directly below the riveting gun via the cylinder's oscillation. This method is structurally unstable and the platform is prone to deformation. Utility Model Content

[0004] To address the shortcomings of existing technologies (and the problems mentioned above), this utility model provides a feeding device for a riveting mechanism. This device has a more stable structure.

[0005] This utility model is achieved through the following technical solution:

[0006] The feeding device of the riveting mechanism includes a fixed component, a second sliding component fixedly connected to the fixed component, and a rivet cutting component. The second sliding component includes a guide rail, a second slider, and a second cylinder. The second slider is slidably connected to the guide rail and slides along the guide rail. The second slider is fixedly connected to the rivet cutting component.

[0007] The riveting mechanism includes a controller and a second solenoid valve electrically connected to the controller. The second solenoid valve is electrically connected to the second cylinder (333) and controls the second cylinder to drive the second slider to move. The second slider drives the riveting assembly to move along the guide rail direction.

[0008] Furthermore, the second cylinder is a magnetically coupled rodless cylinder.

[0009] Furthermore, the fixing assembly includes a first fixing plate, and the second cylinder and guide rail are respectively fixedly connected to the first fixing plate and are parallel to each other.

[0010] Furthermore, the second slider is fixedly connected to the third connecting plate, and the second cylinder is fixedly connected to the seventh connecting plate. The third connecting plate has a receiving groove, and the seventh connecting plate has a second boss, which is received in the receiving groove.

[0011] Furthermore, the feeding device and rivet cutting assembly also include a first cylinder, a protective shell, and an optical fiber unit. The protective shell is fixedly connected to the first cylinder, and the optical fiber unit is fixedly connected to the protective shell. The optical fiber unit is electrically connected to the controller to detect and feedback the signal of the rivet nut.

[0012] Furthermore, the nail cutting assembly includes a clamping part fixedly connected to the first cylinder. The clamping part includes a first clamping block and a second clamping block. A third groove is provided on the inner side of the first clamping block, and a fourth groove is provided on the outer side of the second clamping block.

[0013] Furthermore, a fourth through hole is provided on the protective shell for the detection signal of the optical fiber unit to pass through. The fourth through hole, the third groove and the fourth groove are aligned with each other.

[0014] Furthermore, the feeding device includes a feeding assembly, which includes a hose, a clamping sleeve, and a guide tube; the clamping sleeve is sleeved with the guide tube, and the hose passes through the clamping sleeve and is housed in the guide tube.

[0015] Furthermore, the clamping sleeve is equipped with multiple bayonets, and the hose is fixed inside the bayonets.

[0016] Furthermore, the fixing component includes a third fixing plate; the third fixing plate is fixedly connected to the cylinder, and a stepped hole is provided on the third fixing plate, with the guide tube located directly above the stepped hole.

[0017] Compared with existing technologies, the advantages of this utility model are:

[0018] 1. By designing the guide tube and internal clamping sleeve, the positioning of the rivet nut during transportation is ensured, avoiding jamming.

[0019] 2. A gap is left between the third and seventh connecting plates for floating connection, which can effectively prevent jamming caused by offset and tilt during movement. Attached Figure Description

[0020] Figure 1 This is a three-dimensional assembly drawing of a servo riveting mechanism according to an embodiment of the present utility model;

[0021] Figure 2 This is a left view of a rivet gun according to an embodiment of the present invention;

[0022] Figure 3 for Figure 2 Sectional view along BB;

[0023] Figure 4 for Figure 3 Enlarged view of A in the middle;

[0024] Figure 5 for Figure 3 Enlarged view of C in the middle;

[0025] Figure 6 for Figure 5 Enlarged view of D;

[0026] Figure 7 This is a perspective assembly drawing of a buffer device according to an embodiment of the present invention;

[0027] Figure 8 This is an exploded view of a buffer assembly according to an embodiment of the present invention;

[0028] Figure 9 This is a front view of a buffer device according to an embodiment of the present invention;

[0029] Figure 10 This is a three-dimensional assembly drawing of a buffer component according to an embodiment of the present invention;

[0030] Figure 11 This is a three-dimensional assembly drawing of a feeding device according to an embodiment of the present utility model;

[0031] Figure 12 This is a three-dimensional assembly drawing of a nail-cutting assembly according to an embodiment of the present invention;

[0032] Figure 13 This is an exploded view of a nail-cutting assembly according to an embodiment of the present invention;

[0033] Figure 14 This is an exploded view of a feeding assembly according to an embodiment of the present invention;

[0034] Figure 15 This is a three-dimensional assembly view of the second sliding component according to an embodiment of the present utility model;

[0035] Figure 16 is a bottom view of the second sliding component according to an embodiment of the present invention;

[0036] Figure 17 This is a circuit diagram of a servo riveting mechanism according to an embodiment of the present invention.

[0037] Labeling Explanation: 1. Rivet gun; 10. Rivet cylinder assembly; 101. Tension / compression sensor; 102. Movable cylinder; 103. Push rod; 105. First boss; 107. First oil-free bushing; 11. Transmission assembly; 110. Fixing nut; 111. Compression spring; 112. First connecting sleeve; 113. Second connecting sleeve; 114. Internal thread; 115. Second step; 12. First connecting rod; 120. First shaft; 121. Second shaft; 122. Third shaft; 123. Fourth shaft; 13. Rivet assembly; 130. Helical spring; 131. Positioning sleeve; 132. Ring; 133. Fixing sleeve; 134. Second connecting rod; 135. Positioning pin; 136. Pull rod; 137. Clamp; 138. First through hole; 139. Second through hole; 14. Electric cylinder; 140. Lead screw; 141. Reciprocating nut; 15. First drive unit; 150. First driver; 151. First transmission assembly; 152. First rotating shaft; 153. First transmission wheel; 154. First idler wheel; 155. First synchronous belt pulley; 156. Connecting housing; 16. Second drive unit; 160. Second driver; 161. First reducer; 162. Second transmission group; 163. Second transmission wheel; 164. Second idler wheel; 165. Second synchronous belt pulley; 2. Buffer device; 20. Buffer assembly; 200. Spring; 201. Bolt; 202. First connecting plate; 203. Second connecting plate; 204. Fifth through hole; 205. 206. Sixth through hole; 207. Second oil-free bushing; 208. First gasket; 209. Positioning hole; 200. Power assembly; 211. Third driver; 212. Threaded rod; 213. First threaded seat; 214. Second threaded seat; 215. Threaded sleeve; 216. Second reducer; 22. First sliding assembly; 220. Slide rail; 221. First slider; 23. Load fixing plate; 231. Buckle; 24. Support plate assembly; 240. First support plate; 241. Second support plate; 242. Third through hole; 25. First sensor; 26. Second sensor; 270. Second gasket; 30. Feeding device; 30. Nail cutting assembly; 300. First cylinder; 303. Fiber optic unit; 305. First fixing block; 30 6. Second fixing block; 307. Protective shell; 308. Fourth through hole; 31. Feeding assembly; 310. Hose; 311. Clamping sleeve; 312. Guide tube; 313. Bayonet; 314. Fifth connecting plate; 315. Sixth connecting plate; 32. Fixing assembly; 320. First fixing plate; 321. Second fixing plate; 322. Third fixing plate; 323. Stepped hole; 324. Fourth fixing plate; 33. Second sliding assembly; 330. Guide rail; 331. Second slider; 332. Third connecting plate; 333. Second cylinder; 334. Seventh connecting plate; 336. Receiving groove; 337. Second boss; D. Gap; 35. Rivet nut; 36. Clamping part; 360. First clamping block; 361. Second clamping block;362. First included angle; 363. First arc; 364. Second included angle; 365. Second arc; 366. First groove; 367. Second groove; 368. Third groove; 369. Fourth groove; 4. Controller; 411. First servo controller; 412. Second servo controller; 431. First solenoid valve; 432. Second solenoid valve. Detailed Implementation

[0038] The following detailed, non-limiting description of the utility model's technical solution, in conjunction with preferred embodiments and accompanying drawings, is provided. In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0039] like Figure 1 As shown, a servo riveting mechanism according to an embodiment of the present invention includes a riveting gun 1, a buffer device 2 fixedly connected to the riveting gun, and a feeding device 3 fixedly connected to the buffer device 2.

[0040] Further reference Figures 2 to 5The rivet gun 1 includes a rivet cylinder assembly 10, a transmission assembly 11, and a first drive unit 15. The rivet cylinder assembly 10 includes a cylinder 14, a movable cylinder body 102, and a push rod 103. The cylinder 14 includes a second drive unit 16, a lead screw 140 connected to the second drive unit 16, and a reciprocating nut 141 sleeved on the lead screw 140. The second drive unit 16 includes a second drive unit 160, a first reducer 161, and a second transmission group 162. The second transmission group 162 includes a second transmission wheel 163 and a second idler wheel 164. The second drive unit 160 is fixedly connected to the first reducer 161 via a key (not shown in the figure); the first reducer 161 is fixedly connected to the second transmission wheel 163 via a key; a second synchronous belt 165 is sleeved on the second transmission wheel 163 and the second idler wheel 164; the lead screw 140 is fixedly connected to the second idler wheel 164 via a coupling (not shown in the figure) and is coaxial with the rotation center of the second idler wheel 164. The reciprocating nut 141 is fitted with the lead screw 140 and fixedly connected to the movable cylinder 102 by screws. A first boss 105 is provided at the bottom of the movable cylinder 102, and the bottom of the push rod 103 is fixedly connected to the first boss 105 by screws. A first oil-free bushing 107 is also provided on the outer side of the movable cylinder 102 to reduce friction generated during movement. A bearing assembly 108 is also fitted on the push rod 103 to assist movement.

[0041] The servo riveting mechanism also includes a controller 4 installed in an electrical cabinet (not shown in the figure). The controller 4 is electrically connected to the second servo controller 412. The second servo controller 412 is electrically connected to the second driver 160 and controls the second driver 160 to rotate. Under the transmission action of the second transmission group 162, the lead screw 140 rotates, and the reciprocating nut 141 drives the movable cylinder 102 to move linearly. The movable cylinder 102 drives the push rod 103 to move up and down.

[0042] The transmission assembly 11 includes a first connecting rod 12, a fixing nut 110, a compression spring 111, a first connecting sleeve 112, a second connecting sleeve 113, and a rivet assembly 13. The first shaft portion 120 of the first connecting rod 12 is a hexagonal prism and is fixedly connected to the push rod 103; the compression spring 111 is engaged with the second shaft portion 121 of the first connecting rod 12; the upper and lower parts of the first connecting sleeve 112 are provided with internal threads 114, the upper internal thread 114 is engaged with the bottom external thread of the push rod 103, and the lower internal thread 114 is engaged with the external thread of the second connecting sleeve 113; the bottom of the third connecting sleeve 113 is provided with a second step 115, the second step 115 abuts against the bottom of the first connecting sleeve 112, and the inner wall of the third connecting sleeve 113 abuts against the third shaft portion 122 of the first connecting rod 12.

[0043] The rivet assembly 13 includes a helical spring 130, a positioning sleeve 131, a ring 132 fitted on the positioning sleeve 131, a fixing sleeve 133, a second connecting rod 134, and a pull rod 136. The upper end of the helical spring 130 engages with the fourth shaft portion 123 of the first connecting rod 12, and the lower end engages with the upper part of the second connecting rod 134. The second connecting rod 134 mates with the fixing sleeve 133 and has a first through hole 138 in its center. The two ends of the first through hole 138 are semi-circular, and the center is rectangular. A positioning pin 135 is slidably installed within the first through hole 138. The positioning sleeve 131 is fitted onto the fixing sleeve 133 and has a second through hole 139. Both ends of the positioning pin 135 engage with the second through hole 139. The upper part of the fixing sleeve 133 transitions into the third shaft portion 122 of the first connecting rod 12, and the lower part is provided with a clamp 137. The clamp 137 has an internal thread that mates with the external thread on the upper part of the pull rod 136. The pull rod 136 mates with the lower part of the second connecting rod 134. When the pushing ring 132 drives the positioning sleeve 131 to move upward, the interface 137 opens, allowing for quick replacement of the pull rod 136.

[0044] The first drive unit 15 includes a first driver 150, a connecting housing 156, a first transmission assembly 151 disposed within the connecting housing 156, and a first rotating shaft 152. The first transmission assembly includes a first transmission wheel 153, a first idler wheel 154, and a first synchronous belt 155. The first driver 150 is fixedly connected to the first transmission wheel 153 via a key; the first synchronous belt 155 is sleeved on the first transmission wheel 153 and the first idler wheel 154; the first rotating shaft 152 is fixedly connected to the first idler wheel 154 via a key and is coaxial with the rotation center of the first idler wheel 154 and the pull rod 136.

[0045] The controller 4 is electrically connected to the first servo controller 411, and the first driver 150 is electrically connected to the first servo controller 411 and is controlled by the first servo controller 411 to rotate. The first driver 150 drives the first transmission group 151 to rotate, and the first transmission group 151 drives the pull rod 136 to rotate at high speed. After the pull rod 136 is locked with the rivet nut 35, it drives the rivet nut 35 to rotate synchronously.

[0046] The lead screw 103 passes through the first rotating shaft 152 and is clearance-fitted with the first rotating shaft 152. When the lead screw 103 moves up and down, it generates tension, which drives the entire transmission assembly 11 to move upward. The tension at the pull rod 136 causes the rivet nut 35 to collapse, thus completing the riveting.

[0047] The riveting cylinder assembly 10 also includes a tension / compression sensor 101 mounted on the lead screw 103, used to detect the tension generated during the riveting process and monitor the riveting quality. The controller 4 is electrically connected to the switch 413, the switch 413 is electrically connected to the instrument 414, the instrument 414 is electrically connected to the second servo controller 412 and the analog module 415, and the analog module 415 is electrically connected to the tension / compression sensor 101.

[0048] like Figure 7 As shown, the buffer device 2 includes a buffer assembly 20, a power assembly 21, a first sliding assembly 22, a load fixing plate 23 for connecting the rivet gun 1, and a support plate assembly 24.

[0049] like Figure 8 As shown, the buffer assembly 20 includes two sets of springs 200, bolts 201 for mounting the two sets of springs 200, and a first connecting plate 202 and a second connecting plate 203 fixedly connected to the two sets of springs 200. Identical second washers 270 are fixedly connected to both ends of each spring 200. One set of second washers 270 abuts against the bottom of the first connecting plate 202, and the other set abuts against the top of the second connecting plate 203. A sixth through hole 205 is provided on the first connecting plate 202, and a second oil-free bushing 206 is fixedly connected within the sixth through hole 205. A positioning hole 208 is provided on the second connecting plate 203. The upper end of the bolt 201 is slidably connected to the second oil-free bushing 206; the lower end of the bolt 201 is received within the positioning hole 208 and fixed to the second connecting plate 203. The buffer assembly 20 also includes a set of first washers 207, which are mounted on the bolt 201 and abut against the top of the first connecting plate 202. The diameter of the first gasket 207 is larger than the diameter of the sixth through hole 205, and the sixth through hole 205, the first gasket 207 and the positioning hole 208 are aligned with each other.

[0050] The support assembly 24 includes a first support plate 240 and a second support plate 241. The first support plate 240 is fixedly connected to the second support plate by screws; a third through hole 242 is provided on the first support plate 240.

[0051] like Figure 9 As shown, the power assembly 21 includes a third driver 211, a second reducer 216, a threaded rod 212, and a first threaded seat 213, a second threaded seat 214, and a threaded sleeve 215 that are clearance-fitted with the threaded rod 212. The third driver 211 is fixedly connected to the second reducer 216 via a flat key; the second reducer 216 is fixedly connected to the first support plate 240 via screws, and the output shaft of the second reducer 216 passes through a third through hole 242 and is fixedly connected to the threaded rod 212 via a coupling.

[0052] Two sets of springs 200 and bolts 201 are symmetrically distributed on both sides of the threaded rod 212; the first connecting plate 202 and the second connecting plate 203 are both provided with a fifth through hole 204, and the threaded rod 212 is sleeved in the fifth through hole 204 of the first connecting plate 202 and the second connecting plate 203; the first threaded seat 213 and the second threaded seat 214 are both fixedly connected to the first support plate 240 by screws; the threaded sleeve 215 is fixedly connected to the first connecting plate 202 by screws.

[0053] like Figure 10 As shown, the load fixing plate 23 is fixedly connected to the front surface of the second connecting plate 203 by screws; the other side of the load fixing plate is fixedly connected to two buckles 25 by screws, and the rivet gun 1 is snapped into the buckle 25.

[0054] Controller 4 is electrically connected to the third servo controller 421, which in turn is electrically connected to and controls the movement of the third driver 211. The third driver 211 drives the threaded rod 212 to rotate, causing the threaded sleeve 215 to move up and down under the influence of the threaded rod 212, and also causing the load fixing plate 23 to move up and down. During operation, the rivet gun 1 experiences an impact, generating an upward force that causes collision errors. This upward force causes the load fixing plate 23 to move upward, which in turn causes the second connecting plate 203 to move. The second connecting plate 203 causes the bolt 201 to slide within the oil-free bushing 206, reducing the distance between the first connecting plate 202 and the second connecting plate 203. This causes the two sets of springs 200 to deform under stress, generating a downward elastic force. The upward force and the elastic force cancel each other out.

[0055] The first sliding assembly 22 includes a slide rail 220 and a first slider 221 slidably connected to the slide rail 220. The slide rail 220 and the first slider 221 are symmetrically distributed on both sides of the threaded rod 212. The slide rail 220 is fixedly connected to the first support plate 240, and both ends of the first connecting plate 202 are fixedly connected to the two upper first sliders 221 by screws. The first sliding assembly 22 is used to assist the buffer assembly 20 in moving up and down.

[0056] The buffer device 2 also includes a first sensor 25 and a second sensor 26 for detecting and feeding back the movement position of the first slider 221. The first sensor 25 and the second sensor 26 are both located on the outside of the slide rail 220 and are fixedly connected to the first support plate 240 by screws. The first sensor 25 is located at the highest movement point of the upper first slider 221, and the second sensor 26 is located at the lowest movement point of the upper first slider 221.

[0057] The first sensor (25) and the second sensor (26) are both electrically connected to the controller 4, and convert the light signal of the detected movement position of the first slider (221) into an electrical signal and feed it back to the controller 4.

[0058] like Figures 11 to 13 As shown, the feeding device 3 includes a rivet cutting assembly 30, a feeding assembly 31 for transporting the rivet nut 35, a fixing assembly 32, and a second sliding assembly 33. Corresponding to a preferred embodiment of this utility model, the rivet nut 35 is preferably a hexagonal rivet nut.

[0059] The rivet cutting assembly 30 includes a first cylinder 300, a clamping part 36 fixedly connected to the first cylinder 300, and an optical fiber unit 303. The first cylinder 300 includes a first fixing block 305 and a second fixing block 306; the clamping part 36 includes a first clamping block 360 fixedly connected to the first fixing block 305 by screws and a second clamping block 361 fixedly connected to the second fixing block 306 by screws. The first clamping block 360 has a first included angle 362 and a first arc 363 on its inner side, and the second clamping block 361 has a second included angle 364 and a second arc 365 on its outer side. The first arc 363 and the second arc 365 form a first groove 366 for placing the rivet nut 35, and the first included angle 362 and the second included angle 364 form a second groove 367 for positioning the rivet nut 35. The first groove 366 is a circular groove, and the second groove 367 is a regular hexagonal groove.

[0060] The fixing component 32 includes a third fixing plate 322 and a fourth fixing plate 324 which is fixedly connected to the third fixing plate 322 by screws.

[0061] The third fixing plate 322 is fixedly connected to the bottom surface of the first cylinder 300 by screws. The third fixing plate 322 is provided with a stepped hole 323 coaxial with the first groove 366 and the second groove 367 for placing the rivet nut 35. The outer side of the fourth fixing plate 324 is fixedly connected to the protective shell 307 by screws. The screws pass through the screw holes 309 to fix the fiber optic unit 303 to the protective shell 307. The protective shell 307 is provided with a fourth through hole 308. The inner side of the first clamping block 360 is provided with a third groove 368, and the outer side of the second clamping block 361 is provided with a fourth groove 369. The fourth through hole 308, the third groove 368, and the fourth groove 369 are on the same straight line for the detection signal of the fiber optic unit 303 to pass through.

[0062] The fiber optic unit 303 is electrically connected to the controller 4 to detect and feedback the signal of the rivet nut 35; the controller 4 is electrically connected to the first solenoid valve 431, the first solenoid valve 431 is electrically connected to the first cylinder 300 and controls the movement of the first cylinder 300. The first cylinder 300 relaxes to form the first groove 365, and the first cylinder 300 clamps to form the second groove 366; the first groove 366 and the second groove 367 are coaxial.

[0063] like Figure 14As shown, the feeding assembly 31 includes a hose 310, a clamping sleeve 311, a guide tube 312, and a fifth connecting plate 314 and a sixth connecting plate 315 for clamping the guide tube 312. The hose 310 is connected to an external feeder (not shown) for feeding the rivet nut 35 to the feeding device 3. The clamping sleeve 311 has multiple slots 313, through which the hose 310 passes and is fixed within the slots 313. The clamping sleeve 311 is sleeved with the guide tube 312. The guide tube 312 is located directly above the stepped hole 323 and always remains vertically downward to prevent the rivet nut 35 from being jammed. The fifth connecting plate 314 is fixedly connected to the second support plate 241 by screws. The fixing assembly 32 includes a second fixing plate 321, and the sixth connecting plate 315 is fixedly connected to the second fixing plate 321 by screws.

[0064] like Figure 15 As shown, the fixing component 32 also includes a first fixing plate 320.

[0065] The second sliding assembly 33 includes a guide rail 330, a second slider 331, a third connecting plate 332 fixedly connected to the second slider 331, and a second cylinder 333. The guide rail 330 is fixedly connected to the first fixed plate 320, the second slider 331 is fixedly connected to the guide rail 330 and slides along the guide rail 330, and the third connecting plate 332 is fixedly connected to the cylinder 300. Corresponding to a preferred embodiment of the present invention, the second cylinder 333 is preferably a magnetically coupled rodless cylinder. The second cylinder 333 is fixedly connected to the first fixed plate 320 by screws and is parallel to the guide rail 330. A seventh connecting plate 334 is fixedly connected to the second cylinder 333 by screws. The third connecting plate 332 has a receiving groove 336, and the seventh connecting plate 334 has a second boss 337. The second boss 337 is received in the receiving groove 336, and a gap D is left between the side wall of the receiving groove 336 and the second boss 337, which can effectively prevent jamming during movement.

[0066] The controller 4 is electrically connected to the second solenoid valve 432. The second solenoid valve 432 is electrically connected to the second cylinder 333 and controls the movement of the magnetic ring (not shown in the figure) of the second cylinder 333. The magnetic ring drives the second slider 331 to move, and the second slider 331 drives the nail cutting assembly 30 to translate along the guide rail 330.

[0067] In use, the feeder delivers the rivet nut 35 to the feeding device 3. The rivet nut 35 passes through the hose 310 and reaches the first groove 366 of the rivet cutting assembly 30. The fiber optic unit 303 transmits the signal of detecting the rivet nut 35 to the controller 4. The controller 4 controls the first cylinder 300 to move by controlling the first solenoid valve 431. The first groove 366 becomes the second groove 367, and the angle of the rivet nut 35 is fixed. After the first cylinder 300 moves to its position, the controller 4 controls the second cylinder 333 to move by controlling the second solenoid valve 432. The magnetic ring of the second cylinder 333 drives the second slider 331 to move along the guide rail 330. The second slider 331 moves the rivet cutting assembly 30 to directly below the rivet gun 1. The controller 4 controls the rotation of the third driver 211 by controlling the third servo controller 421. The threaded rod 212 converts the rotary motion into linear motion. The threaded sleeve 215 drives the buffer assembly 20 to perform linear motion. The buffer assembly 20 absorbs the collision error generated during the motion. The load fixing plate 23 drives the rivet gun 1 to move to the rivet cutting assembly 30. The pull rod 136 extends into the rivet nut 35. The controller 4 controls the rotation of the first driver 150 by controlling the first servo controller 411, which drives the pull rod 136 to rotate at high speed, locking the rivet nut 35. The rivet gun 1 drives the rivet nut 35 to move into the rivet hole. The controller 4 controls the rotation of the second driver 160 by controlling the second servo controller 412. The electric cylinder 14 converts the rotary motion into linear motion, which drives the push rod 103 to rise and generate pulling force. The pulling force causes the rivet nut 35 to collapse, completing the riveting. The controller 4 controls the third driver 211 to reverse by controlling the third servo controller 421, and the rivet gun returns to its original position.

[0068] The servo riveting mechanism provided in this embodiment moves the rivet nut 35 directly below the rivet gun 1 via the feeding device 3. The buffer device 2 drives the rivet gun 1 downward to the feeding device 3. The first driver 150 drives the pull rod 136 to rotate at high speed to lock the rivet nut 35, achieving automatic rivet removal, saving time and improving work efficiency. During the up-and-down movement of the rivet gun 1, collision errors will occur. The buffer component 20 absorbs these errors, improving riveting accuracy and extending the service life of the rivet gun.

[0069] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A feeding device for a riveting mechanism, characterized in that, The device includes a fixing component (32), a second sliding component (33) fixedly connected to the fixing component (32), and a nail cutting component (30). The second sliding component (33) includes a guide rail (330), a second slider (331), and a second cylinder (333). The second slider (331) is slidably connected to the guide rail (330) and slides along the guide rail (330). The second slider (331) is fixedly connected to the nail cutting component (30). The riveting mechanism includes a controller (4) and a second solenoid valve (432) electrically connected to the controller (4). The second solenoid valve (432) is electrically connected to the second cylinder (333) and controls the second cylinder (333) to drive the second slider (331) to move. The second slider (331) drives the rivet cutting assembly (30) to translate along the guide rail (330).

2. The feeding device for the riveting mechanism according to claim 1, characterized in that, The second cylinder (333) is a magnetically coupled rodless cylinder.

3. The feeding device for the riveting mechanism according to claim 1, characterized in that, The fixing component (32) includes a first fixing plate (320), and the second cylinder (333) and the guide rail (330) are fixedly connected to the first fixing plate (320) and parallel to each other.

4. The feeding device for the riveting mechanism according to claim 3, characterized in that, The second slider (331) is fixedly connected to the third connecting plate (332), and the second cylinder (333) is fixedly connected to the seventh connecting plate (334). The third connecting plate (332) is provided with a receiving groove (336), and the seventh connecting plate (334) is provided with a second boss (337), which is accommodated in the receiving groove (336).

5. The feeding device for the riveting mechanism according to claim 1, characterized in that, The feeding device and the nail cutting assembly (30) further include a first cylinder (300), a protective shell (307) and an optical fiber unit (303). The protective shell (307) is fixedly connected to the first cylinder (300), the optical fiber unit (303) is fixedly connected to the protective shell (307), and the optical fiber unit (303) is electrically connected to the controller (4).

6. The feeding device for the riveting mechanism according to claim 5, characterized in that, The nail cutting assembly (30) includes a clamping part (36) fixedly connected to the first cylinder (300). The clamping part (36) includes a first clamping block (360) and a second clamping block (361). A third groove (368) is provided on the inner side of the first clamping block (360), and a fourth groove (369) is provided on the outer side of the second clamping block (361).

7. The feeding device for the riveting mechanism according to claim 6, characterized in that, The protective shell (307) has a fourth through hole (308) for passing the detection signal of the optical fiber unit (303). The fourth through hole (308), the third groove (368) and the fourth groove (369) are aligned with each other.

8. The feeding device for the riveting mechanism according to claim 1, characterized in that, The feeding device includes a feeding assembly (31), which includes a hose (310), a clamping sleeve (311), and a guide tube (312). The clamping sleeve (311) is sleeved with the guide tube (312), and the hose (310) passes through the clamping sleeve (311) and is housed in the guide tube (312).

9. The feeding device for the riveting mechanism according to claim 1, characterized in that, The clamping sleeve (311) is provided with multiple bayonets (313), and the hose (310) is fixed in the bayonets (313).

10. The feeding device for the riveting mechanism according to claim 9, characterized in that, The fixing component (32) includes a third fixing plate (322); the third fixing plate (322) is fixedly connected to the cylinder (300), and a stepped hole (323) is provided on the third fixing plate (322), and the guide tube (312) is located directly above the stepped hole (323).

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