An automatic punching and riveting machine

Abstract

This invention relates to the field of punching and riveting, specifically to an automatic punching and riveting integrated machine. It includes a conveying mechanism, a transfer mechanism, a switching mechanism, and a mounting frame. The conveying mechanism intermittently conveys workpieces to the loading station. The transfer mechanism simultaneously transfers workpieces from the loading station to the punching station, from the punching station to the riveting station, from the riveting station to the screw-on station, and from the screw-on station to the unloading station. The switching mechanism simultaneously switches the positions of the three workpieces at the punching, riveting, and screw-on stations. The mounting frame has the punching mechanism, riveting mechanism, and screw-on mechanism arranged side-by-side. The punching mechanism punches through holes in the outer circumference of the workpiece at the punching station; the riveting mechanism presses a riveting nut into the through hole at the riveting station; and the screw-on mechanism screws a bolt onto the riveting nut at the screw-on station. This invention can automatically perform punching, riveting, and bolt screw-on operations on lampshades, resulting in high production efficiency and uniform production specifications.

Description

Technical Field

[0001] This invention relates to the field of punching and riveting, and in particular to an automatic punching and riveting integrated machine. Background Technology

[0002] For lampshade products, rivet nuts need to be riveted onto the outside of the lampshade. The rivet nuts have internal threads on the inside, and then bolts are screwed on. Currently, all of the above operations are done manually, that is, workers use rivet nut guns to rivet by hand and manually use tools to tighten the bolts. Manual operation is inefficient, and the difference in the force applied by the workers results in inconsistent riveting specifications and quality at different riveting locations. Summary of the Invention

[0003] The purpose of this invention is to address the problems existing in the background technology by proposing an automatic punching and riveting integrated machine that can automatically perform punching, riveting, and bolting operations on lamp covers, resulting in high production efficiency and uniform production specifications and quality.

[0004] The technical solution of this invention is an automatic punching and riveting integrated machine, which has a loading station, a punching station, a riveting station, a screw-on station, and a unloading station, including a conveying mechanism, a transfer mechanism, a switching mechanism, and a mounting frame; the conveying mechanism intermittently conveys the workpiece to the loading station; the transfer mechanism simultaneously transfers the workpiece from the loading station to the punching station, the workpiece from the punching station to the riveting station, the workpiece from the riveting station to the screw-on station, and the workpiece from the screw-on station to the unloading station; the switching mechanism is set on the transfer mechanism to simultaneously switch the positions of the three workpieces at the punching station, the riveting station, and the screw-on station; the mounting frame is provided with the punching mechanism, the riveting mechanism, and the screw-on mechanism arranged side by side, the punching mechanism punches through holes on the outer periphery of the workpiece at the punching station, the riveting mechanism presses the riveting nut into the through hole of the workpiece at the riveting station, and the screw-on mechanism screws the bolt onto the riveting nut at the screw-on station.

[0005] Preferably, the conveying mechanism includes a motor, a frame, two connecting shafts rotatably mounted on the frame, sprockets mounted on the connecting shafts, a chain meshing and fitted on the sprockets, and a material support assembly mounted on the chain links. The motor is drivenly connected to one connecting shaft, and two sprockets are arranged side by side on each connecting shaft. The chain meshes and is fitted on two opposing sprockets on the two connecting shafts. The material support assembly includes a connecting plate mounted on the chain links and a support platform mounted on the connecting plate.

[0006] Preferably, the transfer mechanism includes a frame, a lifting frame, a cylinder 1 mounted on the frame and driving the lifting frame to move vertically, a slide plate horizontally mounted on the lifting frame, a cylinder 2 mounted on the lifting frame and driving the slide plate to move horizontally, three sets of clamping assemblies arranged horizontally side by side, and a suction cup mounted on the slide plate. The clamping assembly includes a mounting shaft mounted on the slide plate and a pneumatic clamp mounted at the bottom of the mounting shaft.

[0007] Preferably, a slide rail is vertically arranged on the frame, a slider is slidably arranged on the slide rail, the slider is arranged on the lifting frame, a gear is rotatably arranged on the lifting frame, and a rack that meshes with the gear is vertically arranged on the frame.

[0008] Preferably, the switching mechanism includes a second motor mounted on the slide plate, a first synchronous pulley mounted on the output end of the second motor, second synchronous pulleys mounted on each mounting shaft, a synchronous belt fitted on the first and second synchronous pulleys, and a tensioning pulley that presses the synchronous belt onto the second synchronous pulley. An adjustment plate is detachably mounted on the slide plate, and the tensioning pulley is rotatably mounted on the adjustment plate. A tensioning pulley is set between every two adjacent second synchronous pulleys, i.e., a total of two tensioning pulleys are set.

[0009] Preferably, the punching mechanism includes a tray 1 mounted on a mounting frame, a slide table horizontally mounted on the mounting frame, a cylinder 3 mounted on the mounting frame and driving the slide table to move horizontally, a pusher 1 mounted on the slide table and pressing the workpiece from the inside, a hole platform mounted on top of the pusher 1, a booster cylinder 1 horizontally mounted on the slide table, and a punch mounted at the moving end of the booster cylinder 1. The tray 1 has a placement groove 1, and the hole platform has a waste discharge hole aligned with the punch.

[0010] Preferably, the riveting mechanism includes a tray 2 mounted on a mounting frame, a movable table horizontally slidably mounted on the mounting frame, a booster cylinder 2 mounted on the movable table, a hammer head mounted at the movable end of the booster cylinder 2, a cylinder 7 mounted on the mounting frame, a pusher 2 mounted at the movable end of the cylinder 7, and a feeding assembly for feeding the riveting nut to the through hole on the outer periphery of the workpiece. The tray 2 has a placement groove 2, the rear end of the riveting nut has an outwardly protruding ring portion, the thickness of the rear part of the riveting nut is less than the thickness of the front part, and the front end of the hammer head has a groove for the rear part of the riveting nut to extend into.

[0011] Preferably, the feeding assembly includes a vibratory plate 1 mounted on the mounting frame, a pipe 1 connected to the discharge end of the vibratory plate 1, a pipe 2 mounted on the mounting frame and connected to the pipe 1, a cylinder 4 vertically mounted on the mounting frame, a lifting platform 1 mounted on the top of the cylinder 4 and having a support groove on the top, a cylinder 5 horizontally mounted on the moving platform, a pusher head mounted at the front end of the cylinder 5, a cylinder 6 vertically mounted at the bottom of the pusher platform 2, a lifting platform 2 mounted on the top of the cylinder 6, and a positioning cylinder mounted on the top of the lifting platform 2. The pusher platform 2 has horizontally distributed channels.

[0012] Preferably, the screw-on mechanism includes a tray three and a vibratory plate two mounted on the mounting frame, a pipe three connected to the discharge end of the vibratory plate two, a pipe four mounted on the mounting frame and connected to the pipe three, a cylinder eight vertically mounted on the mounting frame, a feeding platform mounted on the top of the cylinder eight, a motor three horizontally slidably mounted on the mounting frame, a cylinder nine mounted on the mounting frame and driving the motor three to move horizontally, and a spiral head mounted on the output end of the motor three. The tray three has a placement groove three, and the top of the feeding platform has a material groove for supporting bolts.

[0013] Compared with existing technologies, the present invention has the following beneficial technical effects: The present invention can automatically perform punching, riveting, and bolting operations on lamp covers, with a high degree of automation, high production efficiency, and uniform production specifications and quality. The conveying mechanism can intermittently and automatically transport workpieces to the loading station, the punching mechanism punches holes in different positions on the outer periphery of the workpiece, the riveting mechanism rivets the riveting nut to the through hole of the workpiece, and the bolting mechanism screws the bolt onto the riveting nut to obtain the finished product. Attached Figure Description

[0014] Figure 1 This is a structural schematic diagram from the rear view of an embodiment of the present invention; Figure 2 This is a schematic diagram of the structure from the front view of an embodiment of the present invention; Figure 3 A schematic diagram of the structure for conveying workpieces using a conveying mechanism; Figure 4 This is a schematic diagram illustrating the lifting mechanism of the lifting frame and the horizontal movement of the sliding plate. Figure 5 A schematic diagram of the structure for punching, riveting, screwing in bolts, and blanking; Figure 6 This is a partial structural cross-sectional view of the punching mechanism; Figure 7 This is a partial structural cross-sectional view of the riveting mechanism; Figure 8 for Figure 7 Enlarged view of the structure at point A in the middle; Figure 9 This is a partial structural cross-sectional view of the spin-on mechanism; Figure 10 for Figure 9 Enlarged view of the structure at point B; Figure 11 This is a schematic diagram of the translation principle structure of motor three.

[0015] Reference numerals: 100, workpiece; 200, press-fit nut; 300, bolt; 1, frame; 2, motor one; 3, connecting shaft; 4, chain; 5, connecting plate; 6, support platform; 7, cylinder one; 8, lifting frame; 9, slide rail; 10, slider; 11, gear; 12, rack; 13, slide plate; 14, cylinder two; 15, motor two; 16, tension wheel; 17, mounting shaft; 18, pneumatic clamp; 19, suction cup; 20, mounting bracket; 211, tray one; 212, tray two; 22, cylinder three; 23, slide table; 24, push table one; 25, hole platform; 26, booster cylinder one; 27. Punch; 28. Vibratory feeder 1; 29. ​​Pipe 1; 30. Pipe 2; 31. Guide cylinder; 32. Cylinder 4; 33. Lifting platform 1; 34. Cylinder 5; 35. Pusher; 36. Cylinder 6; 37. Lifting platform 2; 38. Positioning cylinder; 39. Boosting cylinder 2; 40. Hammer; 41. Cylinder 7; 42. Pushing platform 2; 421. Channel; 43. Tray 3; 44. Vibratory feeder 2; 45. Pipe 3; 46. Pipe 4; 47. Guide table; 48. Feeding table; 481. Material trough; 49. Cylinder 8; 50. Motor 3; 501. Spiral head; 51. Cylinder 9; 52. Discharge plate. Detailed Implementation

[0016] like Figures 1-11 As shown in the figure, the automatic punching and riveting integrated machine proposed in this embodiment has a feeding station, a punching station, a riveting station, a screw-on station and a unloading station, including a conveying mechanism, a transfer mechanism, a switching mechanism and a mounting frame 20.

[0017] like Figures 1-3 As shown, the conveying mechanism intermittently transports workpiece 100 to the loading station. The conveying mechanism includes a motor 2, a frame, two connecting shafts 3 rotatably mounted on the frame, sprockets mounted on the connecting shafts 3, chains 4 meshing with the sprockets, and material support assemblies mounted on the chain links of the chains 4. The motor 2 is driven by one connecting shaft 3. Two sprockets are arranged side-by-side on each connecting shaft 3. The chains 4 mesh with two opposite sprockets on the two connecting shafts 3. The material support assembly includes connecting plates 5 mounted on the chain links and support platforms 6 mounted on the connecting plates 5. There are a total of two chains 4. The connecting plates 5 are specifically mounted on two opposite chain links of the two chains 4, with adjacent connecting plates 5 spaced apart on different chain links. The motor 2 drives the connecting plates 5 to move via chain drive, and the connecting plates 5 drive the support platforms 6 and the workpiece 100 on the support platforms 6 to move. A photoelectric switch is installed on the frame, and a positioning plate is installed on the connecting plate 5. The positioning plate moves with the connecting plate 5. When the positioning plate triggers the photoelectric switch, it indicates that the workpiece 100 on the support table 6 corresponding to the connecting plate 5 has been transported to the loading station by the conveying mechanism.

[0018] like Figure 4As shown, the transfer mechanism synchronously transfers workpiece 100 from the loading station to the punching station, from the punching station to the riveting station, from the riveting station to the spin-on station, and from the spin-on station to the unloading station. The transfer mechanism includes a frame 1, a lifting frame 8, a cylinder 7 mounted on the frame 1 and driving the lifting frame 8 to move vertically, a sliding plate 13 horizontally mounted on the lifting frame 8, a cylinder 14 mounted on the lifting frame 8 and driving the sliding plate 13 to move horizontally, three sets of clamping assemblies arranged horizontally side-by-side, and a suction cup 19 mounted on the sliding plate 13. The clamping assembly includes a mounting shaft 17 mounted on the sliding plate 13 and a pneumatic clamp 18 mounted at the bottom of the mounting shaft 17. The workpiece 100 has a circular dome-shaped structure with an opening at the top. The pneumatic clamp 18 can extend into the opening to clamp the workpiece 100, facilitating its transfer. The suction cup 19 can pick up the workpiece 100 after the bolt 300 is screwed on the rivet nut 200 and transfer it to the unloading station. After the workpiece 100 is released, the workpiece 100 falls onto the unloading plate 52 below. The unloading plate 52 is set at an angle on the mounting frame 20.

[0019] In addition, a slide rail 9 is vertically mounted on the frame 1, and a slider 10 is slidably mounted on the slide rail 9. The slider 10 is mounted on the lifting frame 8. A gear 11 is rotatably mounted on the lifting frame 8, and a rack 12 that meshes with the gear 11 is vertically mounted on the frame 1. The sliding of the slider 10 on the slide rail 9 and the meshing of the gear 11 and rack 12 guide the vertical movement of the lifting frame 8, enabling the lifting frame 8 to move accurately, so that the clamping assembly and the suction cup 19 can accurately transfer the workpiece 100.

[0020] like Figure 4As shown, the switching mechanism is mounted on the transfer mechanism, synchronously switching the orientation of the three workpieces 100 at the punching station, riveting station, and screw-on station, so as to punch, rivet nuts, and screw bolts at different circumferential positions of the workpieces 100. The switching mechanism includes a second motor 15 mounted on the slide plate 13, a first synchronous pulley mounted on the output end of the second motor 15, second synchronous pulleys mounted on each mounting shaft 17, a synchronous belt fitted on the first and second synchronous pulleys, and a tensioning pulley 16 pressing the synchronous belt onto the second synchronous pulleys. An adjustment plate is detachably mounted on the slide plate 13, and the tensioning pulley 16 is rotatably mounted on the adjustment plate. One tensioning pulley 16 is set between every two adjacent second synchronous pulleys, i.e., there are two tensioning pulleys 16 in total. The second motor 15 drives the first synchronous pulley to rotate, and the first synchronous pulley drives the three second synchronous pulleys to rotate through the synchronous belt. The second synchronous pulley drives the corresponding mounting shaft 17 to rotate, thereby realizing the rotation of the pneumatic clamp 18, and thus realizing the orientation adjustment of the workpiece 100 clamped by the pneumatic clamp 18. For the meshing between the second synchronous pulley and the synchronous belt, the tensioning pulley 16 is used to tension the synchronous belt inward. The pneumatic clamp 18 and the workpiece 100 are not too heavy, and the meshing degree between the second synchronous pulley and the synchronous belt is sufficient for power transmission without slippage.

[0021] like Figure 5 As shown, the mounting bracket 20 is equipped with a punching mechanism, a riveting mechanism, and a screw-on mechanism arranged side by side. The following is a detailed description of the three mechanisms: like Figure 6 As shown, the punching mechanism punches through holes in the outer periphery of the workpiece 100 at the punching station. The punching mechanism includes a tray 211 mounted on the mounting frame 20, a slide 23 horizontally slidably mounted on the mounting frame 20, a cylinder 22 mounted on the mounting frame 20 and driving the slide 23 to move horizontally, a pusher 24 mounted on the slide 23 and pressing the workpiece 100 from the inside, a hole platform 25 mounted on the top of the pusher 24, a booster cylinder 26 horizontally mounted on the slide 23, and a punch 27 mounted at the moving end of the booster cylinder 26. The tray 211 has a placement groove, and the hole platform 25 has a waste discharge hole aligned with the punch 27. When the workpiece 100 is transferred to the placement groove of the tray 211, the cylinder 22 extends forward, the slide 23 moves forward, and the pusher 24 presses against the inner periphery of the workpiece 100, pressing the workpiece 100 firmly in the placement groove. Then, the booster cylinder 26 drives the punch 27 forward, punching a through hole on the outer periphery of the workpiece 100. The scrap material is discharged from the waste discharge hole of the hole platform 25. After one punching operation is completed, both the booster cylinder 26 and the cylinder 22 retract, waiting for the workpiece 100 to be switched to another position by the switching mechanism, ready for punching in other positions of the workpiece 100. After punching in all positions of the workpiece 100 is completed, it waits to be transferred to the riveting station by the transfer mechanism.

[0022] like Figure 7 and Figure 8As shown, the riveting mechanism presses the riveting nut 200 into the through hole of the workpiece 100 at the riveting station. The riveting mechanism includes a tray 212 mounted on the mounting frame 20, a movable table horizontally slidably mounted on the mounting frame 20, a booster cylinder 39 mounted on the movable table, a hammer 40 mounted at the movable end of the booster cylinder 39, a cylinder 41 mounted on the mounting frame 20, a pusher 42 mounted at the movable end of the cylinder 41, and a feeding assembly for feeding the riveting nut 200 into the through hole on the outer periphery of the workpiece 100. The tray 212 has a placement groove, the rear end of the riveting nut 200 has a protruding annular portion, the rear thickness of the riveting nut 200 is less than the front thickness, and the front end of the hammer 40 has a groove for the rear portion of the riveting nut 200 to extend into. After the press-fit nut 200 is fed into the through hole of the workpiece 100, the booster cylinder 39 extends forward and pushes the front of the press-fit nut 200 through the hammer head 40, causing the front of the press-fit nut 200 to deform into a trumpet shape similar to the groove shape, and causing the rear of the press-fit nut 200 to deform, thus riveting the press-fit nut 200 into the through hole of the workpiece 100, realizing the press-fit riveting process. After the press-fit nuts 200 are pressed into all the through holes of the workpiece 100, it waits to be transferred to the spin-fitting station by the transfer mechanism.

[0023] The feeding assembly includes a vibratory feeder 28 mounted on the mounting frame 20, a pipe 29 connected to the discharge end of the vibratory feeder 28, a pipe 30 mounted on the mounting frame 20 and connected to the pipe 29, a cylinder 32 vertically mounted on the mounting frame 20, a lifting platform 33 with a support groove at the top of the cylinder 32, a cylinder 34 horizontally mounted on the moving platform, a pusher 35 at the front end of the cylinder 34, a cylinder 36 vertically mounted at the bottom of the pusher platform 42, a lifting platform 37 at the top of the cylinder 36, and a positioning cylinder 38 at the top of the lifting platform 37. The pusher platform 42 has horizontally distributed channels 421, and a guide cylinder 31 is vertically mounted on the mounting frame 20 to guide the lifting platform 33. The lifting platform 37 is vertically slidably mounted on the pusher platform 42. The cylinder 41 pushes forward, pressing the pusher platform 42 against the inner circumferential surface of the workpiece 100 to achieve clamping and positioning of the workpiece 100. Then, the vibratory feeder 28, through pipes 29 and 30, feeds the rivet nut 200 into the guide cylinder 31 through an opening on the side of the guide cylinder 31. Cylinder 32 pushes the lifting platform 33 upward, and the lifting platform 33 lifts the rivet nut 200 through the top support groove until it is aligned with the push head 35. Cylinder 34 pushes the push head 35 forward, and the push head 35 extends into the inside of the rivet nut 200, pushing the rivet nut 200 forward through the channel 421 onto the positioning cylinder 38. The rivet nut 200 is specifically fitted onto the part of the positioning cylinder 38 that protrudes from the lifting platform 37. Cylinder 36 then pushes the lifting platform 37 upward, and the lifting platform 37 and the positioning cylinder 38 carry the rivet nut 200 to a position aligned with the hammer head 40. In summary, the feeding assembly can perform step-up feeding. Subsequently, the hammer head 40 can be used to press-fit the rivet nut 200, pressing the rivet nut 200 into the through hole of the workpiece 100.

[0024] like Figures 9-11As shown, the screw-on mechanism screws the bolt 300 onto the rivet nut 200 at the screw-on station. The screw-on mechanism includes a tray 3 43 and a vibratory feeder 2 44 mounted on the mounting frame 20, a pipe 3 45 connected to the discharge end of the vibratory feeder 2 44, a pipe 46 mounted on the mounting frame 20 and connected to the pipe 3 45, a cylinder 8 49 vertically mounted on the mounting frame 20, a feeding platform 48 at the top of the cylinder 8 49, a motor 3 50 horizontally slidably mounted on the mounting frame 20, a cylinder 9 51 mounted on the mounting frame 20 and driving the motor 3 50 to move horizontally, and a screw head 501 at the output end of the motor 3 50. The tray 3 43 has a placement slot 3. The structures of the tray 1 211, tray 2 212, and tray 3 43 are the same, and the placement slots 1, 2, and 3 are also the same, which can be used for placing workpieces 100 of the same specifications. The top of the feeding table 48 has a material groove 481 for supporting bolts 300. Bolts 300 are hexagonal socket head cap screws, and the front end of the spiral head 501 is adapted to the hexagonal socket of the bolt head 300. A guide table 47 is vertically installed on the mounting bracket 20 to guide the feeding table 48. The vibratory feeder 44 can transport the bolts 300 through the pipes 45 and 46 from the side of the guide table 47 to the inside of the guide table 47. Then, the cylinder 49 pushes the feeding table 48 upward, pushing the bolts 300 upward through the material groove 481 to a position aligned with the spiral head 501. At this time, the bolts 300 are located outside the press-fit nut 200. The cylinder 51 pushes the motor 3 50 forward, causing the spiral head 501 to extend into the inner hexagonal groove of the bolt 300 head. The motor 3 50 then drives the spiral head 501 to rotate, threading the bolt 300 onto the internal thread of the rivet nut 200. Then, the cylinder 51 retracts, and the spiral head 501 flattens the rear side of the rivet nut 200, pressing it tightly against the inner edge of the lampshade workpiece 100, thus completing the screw-on installation of the bolt 300. Once all the rivet nuts 200 on the workpiece 100 are connected to the bolts 300, it awaits transfer to the unloading station by the suction cup 19.

[0025] This embodiment can automatically perform punching, riveting, and bolting operations on the lampshade, achieving a high degree of automation, high production efficiency, and consistent production specifications and quality. The conveying mechanism intermittently and automatically transports workpiece 100 to the loading station. A transfer mechanism then transfers workpiece 100 to the punching station, where the punching mechanism punches holes at different locations on the outer periphery of workpiece 100. After punching, workpiece 100 is transferred to the riveting station, where the riveting mechanism rivets the riveting nut 200 to the through hole of the workpiece. After riveting, workpiece 100 is transferred to the screwing station, where the screwing mechanism screws the bolt 300 onto the riveting nut 200, obtaining the finished product. Finally, the finished product is transferred to the top of the unloading plate 52 and lowered using the suction cup 19.

[0026] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. An automatic punching and riveting integrated machine, characterized in that, It has a loading station, a punching station, a riveting station, a spin-on station, and a unloading station, including: The conveying mechanism intermittently transports the workpiece (100) to the loading station; The transfer mechanism simultaneously transfers the workpiece (100) from the loading station to the punching station, the workpiece (100) from the punching station to the riveting station, the workpiece (100) from the riveting station to the spin-on station, and the workpiece (100) from the spin-on station to the unloading station. The switching mechanism is set on the transfer mechanism to simultaneously switch the orientation of the three workpieces (100) at the punching station, riveting station and spin-fitting station; Mounting bracket (20) is provided with a punching mechanism, a riveting mechanism and a screw-on mechanism arranged side by side. The punching mechanism punches through holes on the outer periphery of the workpiece (100) at the punching station. The riveting mechanism presses the riveting nut (200) onto the through hole of the workpiece (100) at the riveting station. The screw-on mechanism screws the bolt (300) onto the riveting nut (200) at the screw-on station.

2. The automatic punching and riveting integrated machine according to claim 1, characterized in that, The conveying mechanism includes a motor (2), a frame, two connecting shafts (3) rotatably mounted on the frame, sprockets mounted on the connecting shafts (3), a chain (4) meshing and fitted on the sprockets, and a material support assembly mounted on the chain links of the chain (4). The motor (2) is connected to a connecting shaft (3) for transmission. Two sprockets are arranged side by side on each connecting shaft (3). The chain (4) meshes and is fitted on two opposing sprockets on the two connecting shafts (3). The material support assembly includes a connecting plate (5) mounted on the chain links and a support platform (6) mounted on the connecting plate (5).

3. The automatic punching and riveting integrated machine according to claim 1, characterized in that, The transfer mechanism includes a frame (1), a lifting frame (8), a cylinder (7) mounted on the frame (1) and driving the lifting frame (8) to move vertically, a sliding plate (13) mounted horizontally on the lifting frame (8), a cylinder (14) mounted on the lifting frame (8) and driving the sliding plate (13) to move horizontally, three sets of clamping assemblies arranged horizontally side by side, and a suction cup (19) mounted on the sliding plate (13). The clamping assembly includes a mounting shaft (17) mounted on the sliding plate (13) and a pneumatic clamp (18) mounted at the bottom of the mounting shaft (17).

4. The automatic punching and riveting machine according to claim 3, characterized in that, A slide rail (9) is vertically mounted on the frame (1), a slider (10) is slidably mounted on the slide rail (9), the slider (10) is mounted on the lifting frame (8), a gear (11) is rotatably mounted on the lifting frame (8), and a rack (12) that meshes with the gear (11) is vertically mounted on the frame (1).

5. An automatic punching and riveting integrated machine according to claim 3, characterized in that, The switching mechanism includes a second motor (15) mounted on the slide plate (13), a first synchronous pulley mounted on the output end of the second motor (15), a second synchronous pulley mounted on each mounting shaft (17), a synchronous belt mounted on the first and second synchronous pulleys, and a tensioning pulley (16) that presses the synchronous belt onto the second synchronous pulley. An adjustment plate is detachably mounted on the slide plate (13), and the tensioning pulley (16) is rotatably mounted on the adjustment plate.

6. An automatic punching and riveting integrated machine according to claim 1, characterized in that, The punching mechanism includes a tray (211) mounted on a mounting frame (20), a slide (23) horizontally slidably mounted on the mounting frame (20), a cylinder (22) mounted on the mounting frame (20) and driving the slide (23) to move horizontally, a pusher (24) mounted on the slide (23) and pressing the workpiece (100) from the inside of the workpiece (100), a hole platform (25) mounted on the top of the pusher (24), a booster cylinder (26) horizontally mounted on the slide (23), and a punch (27) mounted on the moving end of the booster cylinder (26). The tray (211) has a placement groove, and the hole platform (25) has a waste discharge hole aligned with the punch (27).

7. An automatic punching and riveting integrated machine according to claim 1, characterized in that, The riveting mechanism includes a tray 2 (212) mounted on the mounting frame (20), a movable table horizontally slidably mounted on the mounting frame (20), a booster cylinder 2 (39) mounted on the movable table, a hammer (40) mounted on the movable end of the booster cylinder 2 (39), a cylinder 7 (41) mounted on the mounting frame (20), a pusher 2 (42) mounted on the movable end of the cylinder 7 (41), and a feeding assembly for feeding the riveting nut (200) to the outer peripheral through hole of the workpiece (100). The tray 2 (212) has a placement groove 2.

8. An automatic punching and riveting integrated machine according to claim 7, characterized in that, The feeding assembly includes a vibratory plate 1 (28) mounted on the mounting frame (20), a pipe 1 (29) connected to the discharge end of the vibratory plate 1 (28), a pipe 2 (30) mounted on the mounting frame (20) and connected to the pipe 1 (29), a cylinder 4 (32) vertically mounted on the mounting frame (20), a lifting platform 1 (33) mounted on the top of the cylinder 4 (32) and having a support groove on the top, a cylinder 5 (34) horizontally mounted on the moving platform, a pusher (35) mounted at the front end of the cylinder 5 (34), a cylinder 6 (36) vertically mounted at the bottom of the push platform 2 (42), a lifting platform 2 (37) mounted on the top of the cylinder 6 (36), and a positioning cylinder (38) mounted on the top of the lifting platform 2 (37). The push platform 2 (42) has horizontally distributed channels (421).

9. An automatic punching and riveting integrated machine according to claim 1, characterized in that, The spin-on mechanism includes a tray three (43) and a vibratory plate two (44) mounted on the mounting frame (20), a pipe three (45) connected to the discharge end of the vibratory plate two (44), a pipe four (46) mounted on the mounting frame (20) and connected to the pipe three (45), a cylinder eight (49) vertically mounted on the mounting frame (20), a feeding platform (48) mounted on the top of the cylinder eight (49), a motor three (50) horizontally mounted on the mounting frame (20), a cylinder nine (51) mounted on the mounting frame (20) and driving the motor three (50) to move horizontally, and a spiral head (501) mounted on the output end of the motor three (50). The tray three (43) has a placement groove three, and the top of the feeding platform (48) has a material trough (481) for supporting bolts (300).

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