Full-automatic pneumatic spin riveting machine

Abstract

The invention relates to the technical field of riveting equipment, in particular to a full-automatic pneumatic spin riveting machine which comprises a workbench, a positioning table is arranged on the workbench, a positioning disc is rotatably arranged on the top wall of the positioning table, and a positioning groove allowing an air valve shell to be inserted is formed in the surface of the positioning disc. A set of clamping plates are symmetrically arranged on the bottom wall of the positioning groove in a sliding mode, a rotating assembly and a clamping assembly are arranged on the positioning table, a set of guide columns are symmetrically and fixedly arranged on the workbench, a lifting table is arranged between the guide columns in a sliding mode, an oil cylinder is arranged between the guide columns, and a mounting base is arranged on the lower surface of the lifting table. A group of riveting rollers are symmetrically and rotationally arranged at the two ends of the mounting seat, and riveting surfaces are obliquely arranged on the end walls of the riveting rollers. The riveting device has the effects of automatically riveting the shell and the valve seat of the pneumatic valve, reducing the operation difficulty, reducing the safety risk and improving the production and processing efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of riveting equipment, in particular to a full-automatic pneumatic riveting machine. Background Art

[0002] Pneumatic valves use compressed air to push multiple groups of pneumatic pistons in the actuator to move. The valve structure includes a housing and a valve seat. When manufacturing and processing pneumatic valves, the housing and the valve seat need to be connected and fixed. When connecting the housing and the valve seat, riveting is used. However, the riveting equipment in the relevant technology center has a low degree of automation and requires manual assistance. There are certain safety hazards, so it needs to be improved. Summary of the invention

[0003] In order to automatically perform riveting between the shell and the valve seat of a pneumatic valve, reduce the difficulty of operation, reduce safety risks, and improve production and processing efficiency, the present application provides a fully automatic pneumatic riveting machine.

[0004] The fully automatic pneumatic riveting machine provided in this application adopts the following technical solution: A fully automatic pneumatic riveting machine comprises a workbench, wherein a positioning platform is arranged on the workbench, a positioning plate is rotatably arranged on the top wall of the positioning platform, a positioning groove for inserting an air supply valve housing is opened on the surface of the positioning plate, a group of clamping plates are symmetrically and slidably arranged on the bottom wall of the positioning groove, a rotating component and a clamping component are arranged on the positioning platform, the rotating component is used to drive the positioning plate to rotate on the positioning platform, and the clamping component is used to drive the clamping plates to move relatively; a group of guide columns are symmetrically and fixedly arranged on both sides of the positioning platform, a lifting platform is slidably arranged between the guide columns, an oil cylinder for driving the lifting platform to rise and fall is arranged between the guide columns, a mounting seat is arranged on the lower surface of the lifting platform, a group of riveting rollers are symmetrically and rotatably arranged at both ends of the mounting seat, and the end walls of the riveting rollers are inclinedly provided with riveting surfaces.

[0005] By adopting the above technical scheme, when riveting between the shell and the valve seat, the boss at the end of the shell is inserted into the positioning groove, the positioning groove is used to position the shell, and then the valve seat is inserted into the shell, and the clamping assembly is first used to work, and the clamping assembly drives the clamping plates to approach each other to clamp and fix the shell in the positioning groove; then the oil cylinder works, and the oil cylinder drives the lifting platform to descend, so that the riveting rollers at both ends of the mounting seat are against the shell port, and the shell is squeezed by the riveting surface to deform the shell port, and at the same time the rotating assembly works, and the rotating assembly drives the positioning plate to rotate, and then drives the shell that is pressed in the positioning groove to rotate. At this time, the riveting roller rotates under the action of friction, and the riveting roller continuously squeezes and rivets the cylindrical shell port. After the positioning plate is rotated one circle, the riveting fixation between the shell and the valve seat can be completed, and the valve seat can be fixed in the shell. The whole process has low operating difficulty and does not require manual operation, which reduces safety risks and improves production and processing efficiency.

[0006] Preferably, the rotating assembly includes a mounting plate, a first motor, a rotating shaft, a driving gear and a rotating gear. The mounting plate is fixedly arranged in the positioning table, the first motor is fixedly arranged on the mounting plate, one end of the rotating shaft is rotatably connected to the mounting plate, the other end of the rotating shaft passes through the positioning table and is fixed to the positioning plate, the driving shaft of the first motor passes through the mounting plate and is connected to the driving gear, the rotating gear is fixedly arranged on the surface of the rotating shaft, and the rotating gear and the driving gear are meshed with each other.

[0007] By adopting the above technical solution, after the riveting surface is pressed against the shell port, the first motor drives the driving gear to rotate, the driving gear abuts against the rotating gear, drives the rotating gear and the rotating shaft to rotate, and then controls the rotation of the positioning plate, which is convenient and quick to control.

[0008] Preferably, the clamping assembly includes a second motor, a worm, a worm wheel, a gear cylinder, a first gear, a screw and a second gear, the second motor is fixedly arranged on the mounting plate, the driving shaft of the second motor passes through the mounting plate and is connected to the worm, the worm wheel is rotatably arranged in the positioning table, the worm and the worm wheel are meshed with each other, the first gear is fixedly arranged on the end wall of the worm wheel, the gear cylinder is slidably sleeved on the rotating shaft, and the first gear and the gear cylinder are meshed with each other; the screw is rotatably arranged on the bottom wall of the positioning plate, the clamping plate passes through the positioning plate and is threadedly connected with the screw, the second gear is fixedly arranged on the screw, and the second gear and the gear cylinder are meshed with each other.

[0009] By adopting the above technical scheme, when it is necessary to drive the clamping plate to move relatively, the worm is driven to rotate by the second motor, and the worm drives the worm wheel to rotate, thereby driving the first gear to resist the gear cylinder, and controlling the gear cylinder to slide on the rotating shaft along the length direction of the rotating shaft. When the gear cylinder slides, it resists the second gear and drives the lead screw to rotate. Since two threaded sections with opposite screwing directions are symmetrically arranged on the lead screw, and one clamping plate is threadedly connected to one threaded section, and the other clamping plate is threadedly connected to the other threaded section, when the lead screw is driven to rotate, the two clamping blocks are guided by the positioning plate to slide relatively on the positioning plate. The first motor and the second motor are arranged on the mounting plate at the same time, which occupies a small space and has high control accuracy. At the same time, it is convenient to clamp and fix workpieces of different sizes.

[0010] Preferably, a buffer pad is fixedly provided on the opposite surface of the clamping plate, a pressure sensor is provided inside the buffer pad, the pressure sensor is connected to a controller, and the second motor is connected to the controller signal.

[0011] By adopting the above technical solution, when the clamping assembly drives the clamping plate to clamp the workpiece, the buffer pad can reduce the damage to the workpiece, and the pressure sensor detects the received pressure. When the pressure value reaches the set value, it automatically controls the second motor to stop working, thereby improving the degree of automation of the equipment.

[0012] Preferably, mounting rods are integrally provided at both ends of the mounting seat, the riveting roller is sleeved on the mounting rods, a connecting ring is provided on the inner wall of the riveting roller, and the riveting roller is rotatably provided on the connecting ring; a sliding groove is provided on the mounting rod, a slider is integrally provided on the inner wall of the connecting ring, the slider is slidably provided in the sliding groove, and an adjusting component for driving the slider to slide in the sliding groove is provided on the mounting seat.

[0013] By adopting the above technical solution, the adjusting component is used to drive the slider to slide in the slide groove, which drives the connecting ring to slide on the mounting rod along the length direction of the mounting rod. The distance between the two riveting rollers can be changed, which makes it easier for the equipment to rivet workpieces of different calibers, thereby improving the applicability of the equipment.

[0014] Preferably, the adjustment assembly includes a rack, an adjustment gear, an adjustment shaft and a handle, the rack and the slider are fixed to each other, the two racks are symmetrically arranged, the length direction of the rack is arranged along the length direction of the mounting rod, the adjustment gear is rotatably arranged in the mounting seat, the rack passes through the mounting seat and is meshed with the adjustment gear, the adjustment shaft passes through the mounting seat and is fixed to the adjustment gear, and the handle is arranged at the end of the adjustment shaft.

[0015] By adopting the above technical solution, when the distance between the two riveting rollers needs to be changed, the handle is turned to drive the adjusting shaft to rotate, thereby controlling the rotation of the adjusting gear. The adjusting gear is simultaneously against the two racks, driving the racks to slide, thereby controlling the slider to slide in the slide groove, and at the same time controlling the relative movement of the two riveting rollers, and the control is convenient and quick.

[0016] Preferably, a locking bolt is provided through the handle, the locking bolt is threadedly connected to the handle, and the locking bolt abuts against the surface of the mounting seat.

[0017] By adopting the above technical solution, after using the adjustment component, the locking bolt is rotated to make the locking bolt slide between the locking bolt and the handle, and the locking bolt is pressed against the surface of the mounting seat to fix the handle and the adjustment shaft, thereby fixing the position of the slider in the slide groove, thereby improving the stability of the riveting roller during riveting.

[0018] Preferably, a bearing is provided at the rotational connection between the riveting roller and the connecting ring.

[0019] By adopting the above technical solution, the bearing can reduce the friction between the riveting roller and the connecting ring, making it easier for the riveting roller to rotate on the surface of the connecting ring.

[0020] In summary, the present application includes at least one of the following beneficial technical effects: 1. By setting a workbench, a positioning table, a positioning plate, a positioning groove, a clamping plate, a rotating assembly, a clamping assembly, a guide column, a lifting platform, a cylinder, a mounting seat, a riveting roller and a riveting surface, when riveting between the shell and the valve seat, the positioning groove is used to position the shell, and then the valve seat is inserted into the shell. The clamping assembly drives the clamping plates to approach each other to clamp and fix the shell in the positioning groove. The cylinder makes the riveting rollers at both ends of the mounting seat abut against the shell port. At the same time, the rotating assembly drives the positioning plate to rotate. At this time, the riveting roller rotates under the action of friction, and the riveting roller continuously squeezes and rivets the cylindrical shell port. After rotating the positioning plate one circle, the riveting fixation between the shell and the valve seat can be completed. The whole process is easy to operate and does not require manual operation, which reduces safety risks and improves production and processing efficiency. 2. By setting a mounting plate, a first motor, a rotating shaft, a driving gear, a rotating gear, a second motor, a worm, a worm wheel, a gear cylinder, a first gear, a lead screw and a second gear, when the clamping plate needs to be driven to move relatively, the worm wheel is driven to rotate by the second motor, so that the first gear and the gear cylinder are abutted against each other, and the gear cylinder is controlled to slide on the rotating shaft. When the gear cylinder slides, it abuts against the second gear and drives the lead screw to rotate. The two clamping blocks are guided by the positioning plate to slide relatively on the positioning plate. The first motor and the second motor are simultaneously set on the mounting plate, which occupies a small space. 3. By setting a mounting rod, a connecting ring, a slide groove, a slider, a rack, an adjusting gear, an adjusting shaft and a handle, turning the handle drives the adjusting shaft to rotate, thereby controlling the rotation of the adjusting gear. The adjusting gear is simultaneously against the two racks, driving the racks to slide, thereby controlling the slider to slide in the slide groove, driving the connecting ring to slide on the mounting rod along the length direction of the mounting rod, and thus changing the distance between the two riveting rollers, making it easier for the equipment to rivet workpieces of different calibers, thereby improving the applicability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of a fully automatic pneumatic riveting machine provided in an embodiment of the present application.

[0022] Figure 2 It is a schematic diagram for illustrating the rotating assembly and the clamping assembly in the embodiment of the present application.

[0023] Figure 3 It is a schematic diagram for illustrating the lifting platform in the embodiment of the present application.

[0024] Figure 4 It is a schematic diagram for illustrating the adjustment component in the embodiment of the present application.

[0025] Explanation of the accompanying drawings: 1. workbench; 11. positioning table; 12. positioning plate; 13. positioning groove; 2. clamping plate; 21. buffer pad; 3. rotating assembly; 31. mounting plate; 32. first motor; 33. rotating shaft; 34. driving gear; 35. rotating gear; 4. clamping assembly; 41. second motor; 42. worm; 43. worm wheel; 44. gear cylinder; 45. first gear; 46. screw; 47. second gear; 5. guide column; 51. lifting platform; 52. oil cylinder; 6. mounting seat; 61. riveting roller; 611. riveting surface; 7. mounting rod; 71. slide groove; 8. connecting ring; 81. slider; 9. adjusting assembly; 91. rack; 92. adjusting gear; 93. adjusting shaft; 94. handle; 10. locking bolt. DETAILED DESCRIPTION

[0026] The following is combined with Figures 1-4 This application is described in further detail.

[0027] The present application embodiment discloses a fully automatic pneumatic riveting machine. Figure 1 and Figure 2It includes a horizontally arranged workbench 1, on which a positioning platform 11 is fixedly arranged, and a positioning plate 12 is rotatably arranged on the top wall of the positioning platform 11. A positioning groove 13 for inserting the air supply valve housing is provided on the surface of the positioning plate 12, and a boss mutually adapted to the bottom wall of the positioning groove 13 is provided on the air valve housing. A group of clamping plates 2 are symmetrically and slidably arranged on the bottom wall of the positioning groove 13, and the clamping plates 2 are arranged in an arc shape. A rotating component 3 and a clamping component 4 are arranged on the positioning platform 11. When riveting between the housing and the valve seat, the boss at the end of the housing is inserted into the positioning groove 13, and the housing is positioned by using the positioning groove 13, and then the valve seat is inserted into the housing, and the clamping component 4 is first used to work, and the clamping component 4 drives the clamping plates 2 to approach each other to clamp and fix the housing in the positioning groove 13.

[0028] Reference Figure 1 and Figure 2 The workbench 1 is symmetrically fixed with a group of guide columns 5 on both sides of the positioning platform 11. The guide columns 5 are arranged in the vertical direction. A lifting platform 51 is slidably arranged between the guide columns 5. A cylinder 52 is fixedly arranged between the guide columns 5. The piston rod of the cylinder 52 is connected to the top wall of the lifting platform 51. A mounting seat 6 is arranged on the lower surface of the lifting platform 51. A group of riveting rollers 61 are symmetrically rotated at both ends of the mounting seat 6. The end wall of the riveting roller 61 is inclinedly provided with a riveting surface 611. After the workpiece to be riveted is clamped and fixed in the positioning groove 13, the oil cylinder 52 drives the lifting platform 51 to descend, so that the riveting rollers 61 at both ends of the mounting seat 6 are against the shell port, and the shell port is deformed by squeezing the shell with the riveting surface 611. At the same time, the rotating component 3 works, and the rotating component 3 drives the positioning plate 12 to rotate, thereby driving the shell pressed in the positioning groove 13 to rotate. At this time, the riveting roller 61 rotates under the action of friction, and the riveting roller 61 continuously squeezes and rivets the cylindrical shell port. After the positioning plate 12 is rotated one circle, the riveting fixation between the shell and the valve seat can be completed.

[0029] Reference Figure 2 The rotating assembly 3 includes a mounting plate 31, a first motor 32, a rotating shaft 33, a driving gear 34 and a rotating gear 35. The mounting plate 31 is fixedly arranged in the positioning platform 11. The first motor 32 is fixedly arranged on the mounting plate 31 by bolts. One end of the rotating shaft 33 is rotatably connected with the mounting plate 31. The other end of the rotating shaft 33 passes through the positioning platform 11 and is fixed to the bottom end of the positioning plate 12. The driving shaft of the first motor 32 passes through the mounting plate 31 and is connected to the driving gear 34. The rotating gear 35 is fixedly arranged on the surface of the rotating shaft 33. The rotating gear 35 and the rotating shaft 33 are coaxially arranged, and the rotating gear 35 and the driving gear 34 are meshed with each other. After the riveting surface 611 is pressed against the shell port, the first motor 32 drives the driving gear 34 to rotate, and the driving gear 34 is pressed against the rotating gear 35, driving the rotating gear 35 and the rotating shaft 33 to rotate, thereby controlling the rotation of the positioning plate 12, and the control is convenient and quick.

[0030] Reference Figure 2 The clamping assembly 4 includes a second motor 41, a worm 42, a worm wheel 43, a gear cylinder 44, a first gear 45, a screw 46 and a second gear 47. The second motor 41 is fixedly mounted on the mounting plate 31 by bolts. The driving shaft of the second motor 41 penetrates the mounting plate 31 and is connected to the worm 42. The worm wheel 43 is rotatably mounted in the positioning platform 11. The worm 42 and the worm wheel 43 are meshed with each other. The first gear 45 is fixedly mounted on the end wall of the worm wheel 43. The first gear 45 and the worm wheel 43 are coaxially arranged. The gear cylinder 44 is slidably sleeved on the rotating shaft 33. The gear cylinder 44 and the rotating shaft 33 are adapted to each other. The first gear 45 and the gear cylinder 44 are meshed with each other. The screw rod 46 is rotatably set on the bottom wall of the positioning plate 12, and two threaded sections with opposite screwing directions are symmetrically set on the screw rod 46. One clamping plate 2 passes through the positioning plate 12 and is threadedly connected to one threaded section, and the other clamping plate 2 passes through the positioning plate 12 and is threadedly connected to the other threaded section. The second gear 47 is fixedly set on the screw rod 46, and the second gear 47 and the screw rod 46 are coaxially set, and the second gear 47 and the gear cylinder 44 are meshed with each other. When it is necessary to drive the clamping plate 2 to move relatively, the second motor 41 drives the worm 42 to rotate, and the worm 42 drives the worm wheel 43 to rotate, thereby driving the first gear 45 to abut against the gear cylinder 44, and controlling the gear cylinder 44 to slide on the rotating shaft 33 along the length direction of the rotating shaft 33. When the gear cylinder 44 slides, it abuts against the second gear 47 to drive the screw rod 46 to rotate. At this time, the two clamping blocks are guided by the positioning plate 12 to slide relatively on the positioning plate 12. The first motor 32 and the second motor 41 are simultaneously arranged on the mounting plate 31, which occupies a small space and has high control accuracy. At the same time, it can facilitate the clamping and fixation of workpieces of different sizes.

[0031] Reference Figure 2 A buffer pad 21 is fixedly arranged on the opposite surface of the clamping plate 2. The buffer pad 21 is made of rubber. A pressure sensor is arranged inside the buffer pad 21. The pressure sensor is connected to the controller. The second motor 41 is connected to the controller signal. When the clamping assembly 4 drives the clamping plate 2 to clamp the workpiece, the buffer pad 21 can reduce the damage to the workpiece. The pressure sensor detects the received pressure. When it detects that the pressure value reaches the set value, it automatically controls the second motor 41 to stop working, thereby improving the degree of automation of the equipment.

[0032] Reference Figure 3 and Figure 4, mounting rods 7 are integrally provided at both ends of the mounting seat 6, the mounting rods 7 are flush with each other, the length direction of the mounting rods 7 is arranged along the length direction of the workbench 1, the riveting roller 61 is sleeved on the mounting rod 7, a connecting ring 8 is arranged on the inner wall of the riveting roller 61, the riveting roller 61 is rotatably arranged on the connecting ring 8, and a bearing is arranged at the rotation connection between the riveting roller 61 and the connecting ring 8. The mounting rods 7 are provided with a slide groove 71, the length direction of the slide groove 71 is arranged along the length direction of the mounting rod 7, a slider 81 is integrally provided on the inner wall of the connecting ring 8, the slider 81 is slidably arranged in the slide groove 71, and the slider 81 and the slide groove 71 are adapted to each other. The mounting seat 6 is provided with an adjustment assembly 9, which includes a rack 91, an adjustment gear 92, an adjustment shaft 93 and a handle 94. The rack 91 is fixed to the slider 81, and the length direction of the rack 91 is arranged along the length direction of the mounting rod 7. The two racks 91 are arranged symmetrically, and the adjustment gear 92 is rotatably arranged in the mounting seat 6. The rack 91 passes through the mounting seat 6 and meshes with the adjustment gear 92. The adjustment shaft 93 passes through the mounting seat 6 and is fixed to the adjustment gear 92. The adjustment shaft 93 and the adjustment gear 92 are arranged coaxially, and the handle 94 is fixed at the end of the adjustment shaft 93. The handle 94 is rotated to drive the adjustment shaft 93 to rotate, thereby controlling the rotation of the adjustment gear 92. The adjustment gear 92 is simultaneously abutted against the two racks 91, which can drive the rack 91 to slide along the length direction of the mounting rod 7, thereby controlling the slider 81 to slide in the slide groove 71, realizing the simultaneous control of the relative movement of the two riveting rollers 61, and changing the distance between the two riveting rollers 61, so that the equipment can perform riveting on workpieces of different calibers, thereby improving the applicability of the equipment.

[0033] Reference Figure 3 A locking bolt 10 is provided through the handle 94, and the locking bolt 10 is threadedly connected to the handle 94. After using the adjustment component 9, the locking bolt 10 is rotated to make the locking bolt 10 slide between the handle 94, and the locking bolt 10 is abutted against the surface of the mounting seat 6 to fix the handle 94 and the adjusting shaft 93, thereby fixing the position of the slider 81 in the slide groove 71, thereby improving the stability of the riveting roller 61 during riveting.

[0034] The implementation principle of a fully automatic pneumatic riveting machine in the embodiment of the present application is as follows: when riveting between the shell and the valve seat, the boss at the end of the shell is inserted into the positioning groove 13, the positioning groove 13 is used to position the shell, and then the valve seat is inserted into the shell, and the second motor 41 is first used to drive the screw rod 46 to rotate, so that the clamping plates 2 are close to each other to clamp and fix the shell in the positioning groove 13; then the oil cylinder 52 is operated, and the oil cylinder 52 drives the lifting platform 51 to descend, so that the riveting rollers 61 at both ends of the mounting seat 6 are against the shell port, and the riveting surface 61 is used to 1 The shell is squeezed to deform the shell port, and at the same time, the first motor 32 drives the rotating shaft 33 to rotate, controls the positioning plate 12 to rotate, and then drives the shell pressed in the positioning groove 13 to rotate. At this time, the riveting roller 61 rotates under the action of friction, and the riveting roller 61 continuously squeezes and rivets the cylindrical shell port. After the positioning plate 12 rotates one circle, the riveting fixation between the shell and the valve seat can be completed, and the valve seat can be fixed in the shell. The whole process has low operating difficulty and does not require manual operation, which reduces safety risks and improves production and processing efficiency.

[0035] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A fully automatic pneumatic riveting machine, comprising a workbench (1), characterized in that: The workbench (1) is provided with a positioning platform (11), a positioning plate (12) is rotatably provided on the top wall of the positioning platform (11), a positioning groove (13) for inserting the air supply valve housing is provided on the surface of the positioning plate (12), a group of clamping plates (2) are symmetrically slidably provided on the bottom wall of the positioning groove (13), a rotating assembly (3) and a clamping assembly (4) are provided on the positioning platform (11), the rotating assembly (3) is used to drive the positioning plate (12) to rotate on the positioning platform (11), and the clamping assembly (4) is used to drive the clamping plate (2) to rotate on the positioning platform (11). The clamping plate (2) moves relatively; the workbench (1) is symmetrically and fixedly provided with a group of guide columns (5) on both sides of the positioning platform (11); a lifting platform (51) is slidably provided between the guide columns (5); a cylinder (52) for driving the lifting platform (51) to move up and down is provided between the guide columns (5); a mounting seat (6) is provided on the lower surface of the lifting platform (51); a group of riveting rollers (61) are symmetrically and rotatably provided at both ends of the mounting seat (6); and a riveting surface (611) is inclinedly provided on the end wall of the riveting roller (61).

2. A fully automatic pneumatic riveting machine according to claim 1, characterized in that: The rotating assembly (3) comprises a mounting plate (31), a first motor (32), a rotating shaft (33), a driving gear (34) and a rotating gear (35); the mounting plate (31) is fixedly arranged in the positioning platform (11); the first motor (32) is fixedly arranged on the mounting plate (31); one end of the rotating shaft (33) is rotatably connected to the mounting plate (31); the other end of the rotating shaft (33) passes through the positioning platform (11) and is fixed to the positioning plate (12); the driving shaft of the first motor (32) passes through the mounting plate (31) and is connected to the driving gear (34); the rotating gear (35) is fixedly arranged on the surface of the rotating shaft (33); and the rotating gear (35) and the driving gear (34) are meshed with each other.

3. A fully automatic pneumatic riveting machine according to claim 2, characterized in that: The clamping assembly (4) comprises a second motor (41), a worm (42), a worm wheel (43), a gear cylinder (44), a first gear (45), a screw (46) and a second gear (47); the second motor (41) is fixedly arranged on the mounting plate (31); a driving shaft of the second motor (41) passes through the mounting plate (31) and is connected to the worm (42); the worm wheel (43) is rotatably arranged in the positioning platform (11); the worm (42) and the worm wheel (43) are meshed with each other; A gear (45) is fixedly arranged on the end wall of the worm wheel (43); the gear cylinder (44) is slidably sleeved on the rotating shaft (33); the first gear (45) and the gear cylinder (44) are meshed with each other; the screw rod (46) is rotatably arranged on the bottom wall of the positioning plate (12); the clamping plate (2) passes through the positioning plate (12) and is threadedly connected with the screw rod (46); the second gear (47) is fixedly arranged on the screw rod (46); the second gear (47) and the gear cylinder (44) are meshed with each other.

4. A fully automatic pneumatic riveting machine according to claim 3, characterized in that: A buffer pad (21) is fixedly arranged on the opposite surface of the clamping plate (2), a pressure sensor is arranged inside the buffer pad (21), the pressure sensor is connected to a controller, and the second motor (41) is connected to the controller signal.

5. The fully automatic pneumatic riveting machine according to claim 1, characterized in that: The two ends of the mounting seat (6) are integrally provided with mounting rods (7), the riveting roller (61) is sleeved on the mounting rods (7), the inner wall of the riveting roller (61) is provided with a connecting ring (8), and the riveting roller (61) is rotatably arranged on the connecting ring (8); a sliding groove (71) is provided on the mounting rod (7), a sliding block (81) is integrally provided on the inner wall of the connecting ring (8), and the sliding block (81) is slidably arranged in the sliding groove (71), and an adjusting component (9) for driving the sliding block (81) to slide in the sliding groove (71) is provided on the mounting seat (6).

6. A fully automatic pneumatic riveting machine according to claim 5, characterized in that: The adjustment assembly (9) comprises a rack (91), an adjustment gear (92), an adjustment shaft (93) and a handle (94); the rack (91) and the slider (81) are fixed to each other; the two racks (91) are symmetrically arranged; the length direction of the rack (91) is arranged along the length direction of the mounting rod (7); the adjustment gear (92) is rotatably arranged in the mounting seat (6); the rack (91) passes through the mounting seat (6) and meshes with the adjustment gear (92); the adjustment shaft (93) passes through the mounting seat (6) and is fixed to the adjustment gear (92); and the handle (94) is arranged at the end of the adjustment shaft (93).

7. A fully automatic pneumatic riveting machine according to claim 6, characterized in that: A locking bolt (10) is provided through the handle (94), the locking bolt (10) and the handle (94) are threadedly connected, and the locking bolt (10) abuts against the surface of the mounting seat (6).

8. The fully automatic pneumatic riveting machine according to claim 5, characterized in that: A bearing is provided at the rotation connection between the riveting roller (61) and the connecting ring (8).

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